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Anode engineering for electrocatalytic CO2 reduction reaction 认领 引用 被引量：2
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作者 Mingming Zhang Ting Xu +8 位作者 Ruonan Yin Xueqiu Chen Zheng-Jun Wang Jun Li Xin Wang Huile Jin Haibo Ke Shun Wang Jing-Jing Lv 《Chinese Chemical Letters》 SCIE CAS CSCD 2026年第3期93-107,共15页
Electrocatalytic carbon dioxide reduction reaction(eCO2RR)holds great promise in producing value-added chemicals,and achieving carbon neutrality.However,the efficiency of eCO2RR is often hindered by the sluggish... Electrocatalytic carbon dioxide reduction reaction(eCO2RR)holds great promise in producing value-added chemicals,and achieving carbon neutrality.However,the efficiency of eCO2RR is often hindered by the sluggish oxygen evolution reaction(OER)at the anode.Thereby,various strategies have been developed to boost anode reaction,aiming to realize economic viability and reduce energy consumption in an eCO2RR electrolyzer.To give a comprehensive overview of anode engineering for optimizing eCO2RR,this review summarizes and discusses the cutting-edge anodic design strategies from recent research progress.They mainly include the direct substitution of OER to the value-added oxidation reaction of other small molecules,the introduction of photo/bio-assistance anodes,and the construction of metal-CO2batteries.Furthermore,the emerging challenges and a forward-looking perspective on anode development by coupling renewable energy,sewage treatment and eCO2RR are also proposed. 展开更多
关键词 Electrocatalytic CO2reduction reaction Anode engineering Value-added oxidation reaction Photo/bio-assistance anode Metal-CO2battery
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Hydrogen bonding-reinforced multi-component cross-linked hydrogel electrolytes with high ionic conductivity and stretchability for stabilized zinc anodes 认领 引用 被引量：1
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作者 Yu Wang Kun Ding +4 位作者 Xuerong Gong Shou Chen Ao Sun Junxi Zhang Baofeng Wang 《Chinese Chemical Letters》 SCIE CAS CSCD 2026年第6期712-717,共6页
Hydrogel electrolytes are widely used in zinc-ion batteries(ZIBs)due to their advantages of regulating zinc deposition/stripping process,and limiting dendrite growth.However,their relatively poor ionic conductivity an... Hydrogel electrolytes are widely used in zinc-ion batteries(ZIBs)due to their advantages of regulating zinc deposition/stripping process,and limiting dendrite growth.However,their relatively poor ionic conductivity and mechanical properties remain significant obstacles to their practical application in ZIBs.Herein,the multi-component cross-linked polyacrylamide/carboxymethyl cellulose/agarose(PCA)hydrogel polymerized electrolytes are designed via a heat-initiated polymerization approach.The PCA hydrogel electrolytes exhibit high ionic conductivity of 38.78 mS/cm and excellent mechanical strength from 2.9 MPa to 5.6 MPa.Meanwhile,the ample hydroxyl(-OH)functional groups on the PCA hydrogel electrolytes chain can capture and anchor H2O molecules via hydrogen bonding,thus fundamentally regulating the coordination environment of Zn2+and inhibiting side reactions.The combined effect of carboxyl(-COOH)groups and amino(-NH2)groups in PCA hydrogel electrolytes can induce the uniform deposition of zinc ions.Consequently,The Zn//Zn symmetrical cell assembled with this hydrogel electrolytes demonstrate excellent cycling stability over 2500 h at the current density of 1 mA/cm2.Furthermore,the Zn//MnO2/CNT full cell retains a specific capacity of 127.2 mAh/g after 1000 cycles at 1 A/g,with 97.8%capacity retention. 展开更多
关键词 Zn-ion batteries Hydrogel electrolytes Zn anode Dendrites Solvation structure
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Zn Anode-Based Electrochromic Devices:Progress&Challenges 认领 引用 被引量：1
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作者 Bingkun Huang Feifei Zhao +6 位作者 Pengcheng Liu Yukai Xu Bin Wang Jiaqi Yang Jingwei Chen Haizeng Li William W.Yu 《Energy & Environmental Materials》 SCIE EI CAS CSCD 2026年第1期15-33,共19页
Unlike conventional electrochromic devices,Zinc anode-based electrochromic devices(ZECDs)ensure excellent charge balance between the electrochromic layer and Zn anode during the coloring/bleaching by reversible metal ... Unlike conventional electrochromic devices,Zinc anode-based electrochromic devices(ZECDs)ensure excellent charge balance between the electrochromic layer and Zn anode during the coloring/bleaching by reversible metal deposition/stripping on the Zn anode.Meanwhile,the inherent potential difference between the metal anode and the electrochromic layer can drive the spontaneous coloration/bleaching of ZECDs,featuring energy retrieval functionality.This review discusses the working mechanisms,performance indexes of ZECDs,and the impact of material selection on ZECD performance.Furthermore,we comprehensively summarize the latest research progress of ZECDs in energy storage,smart windows,and multicolor displays.We argue that using high-transparency zinc mesh,additive manufacturing processes,and self-healing electrochromic materials can significantly advance the commercialization of large-area ZECDs.Finally,“electrode-free”device structures,renewable or replaceable electrolytes,and strategies to suppress zinc dendrites are prospected to overcome cost-effectiveness and lifespan issues of ZECDs.This review aims at enabling more efficient and advanced ZECDs for multifunctional applications. 展开更多
关键词 electrochromic devices energy storage multicolor displays smart windows zinc anode
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A fast bismuth-carbon composite anode for achieving kinetic matching between the anode and cathode of sodium-ion capacitors 认领 引用
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作者 Man Xiaoge Huang Xinli +7 位作者 Min Xinyue Yan Yijie Shi Yuanchang Li Tao Wang Chengxiang Zhang Zhiwei Yin Longwei Wang Rutao 《新型炭材料（中英文）》 SCIE EI CSCD 北大核心 2026年第2期393-407,I0034-I0043,共15页
Sodium-ion capacitors(SICs)typically feature a hybrid design,incorporating a battery-type anode that operates by faradaic redox reactions and an activated carbon cathode that functions through electrical double-layer(... Sodium-ion capacitors(SICs)typically feature a hybrid design,incorporating a battery-type anode that operates by faradaic redox reactions and an activated carbon cathode that functions through electrical double-layer(EDL)adsorption/desorption.However,the kinetics of faradaic processes are inherently slower than those of EDL processes,leading to a fundamental problem known as kinetic imbalance between the electrodes,which hinders the development of high-performance SICs.To address this,we synthesized composites of bismuth nanoparticles in N-doped carbon(Bi@NC)by a high-temperature sintering method.The resulting Bi@NC anode has a specific capacity of 300 mAh g-1 at 0.5 A g-1,an exceptional rate capability(maintaining performance at currents exceeding 75 A g-1),and outstanding cycling sta-bility over 12000 cycles.Three-electrode Swagelok cell tests revealed that this high-rate Bi@NC composite effectively decreases the kinetic gap with the activated carbon cathode,as shown by an analysis of their respective potential swing windows(vs.Na/Na+).This enables the fabricated SIC to achieve a maximum energy density of 115 Wh kg-1,a peak power density of 45535 W kg-1,and a long cycle life exceeding 8000 cycles. 展开更多
关键词 Bismuth anode Carbon composites Sodium-ion capacitors Alloying anode Sodium-ion storage
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High-performance micron-sized porous Si/C anodes from natural graphite tailings for lithium-ion batteries 认领 引用
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作者 Yuxuan Zhang Chen Wang +4 位作者 Fang Zhang Yan Xin Bijiao He Shiguo Zhang Huajun Tian 《Metals Advances》 SCIE EI CAS CSCD 2026年第6期88-98,共11页
With the growing demand for high-energy-density and long-lifespan lithium-ion batteries(LIBs),silicon/graphite composites have emerged as promising anode materials,as they synergize the ultrahigh capacity of silicon(S... With the growing demand for high-energy-density and long-lifespan lithium-ion batteries(LIBs),silicon/graphite composites have emerged as promising anode materials,as they synergize the ultrahigh capacity of silicon(Si)and the structural stability of carbon.To address the intrinsic volume variation issue of silicon,this work demonstrates a scalable and environmentally benign synthesis of micron-sized porous silicon/graphite composites(NGT-pSi/C)via the integration of FeCl3-etched spherical porous silicon(pSi)and waste-derived natural graphite tailings(NGT).The as-prepared NGT-pSi/C features a watermelon-like multi-core—shell architecture.The pores in pSi effectively accommodate the large volume expansion during cycling.Meanwhile,the upcycled NGT form a conductive layer to disperse mechanical stress,and the glucose-derived carbon layer constructs a conductive network.This waste-to-wealth approach enables the conversion of industrial byproducts into highperformance LIB anode materials.Comprehensive physicochemical and electrochemical characterizations reveal that abundant pores and continuous conductive networks in NGT-pSi/C synergistically mitigate Si pulverization,suppress interfacial degradation and enhance charge transfer kinetics.The NGT-pSi/C anode delivers exceptional cycling stability(591.2 mAh g-1after 400 cycles at 0.5 A g-1)and superior rate capability.Furthermore,full cells paired with NCA90(LiNi0.9Co0.05Al0.05O2)cathodes maintain 72.6%of their initial capacity after 800 cycles.The corresponding pouch cell exhibits a high discharge capacity of 0.7 Ah and retains 74.43%capacity after 500 cycles.This practical strategy achieves a cost-performance synergy.Overall,by using near-zero-cost graphite waste and adopting a non-acidic etching process,this work establishes a sustainable and economically viable pathway for the scalable production of high-performance Si-based anodes. 展开更多
关键词 Silicon/graphite anode Natural graphite tailing Porous silicon anode Pouch cell Lithium-ion batteries
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Rational Electrolyte Structure Engineering for Highly Reversible Zinc Metal Anode in Aqueous Batteries 认领 引用
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作者 Yi Zhuang Yukai Liang +8 位作者 Wenyao Zhang Yuntong Sun Zhenxing Wang Jingyan Guan Boyuan Zhu Junjie Cui Jiahao Tang Jong‑Min Lee Junwu Zhu 《Nano-Micro Letters》 SCIE EI CAS CSCD 2026年第3期773-806,共34页
Aqueous zinc-ion batteries(AZIBs)have garnered considerable attention as promising post-lithium energy storage technologies owing to their intrinsic safety,cost-effectiveness,and competitive gravimetric energy density... Aqueous zinc-ion batteries(AZIBs)have garnered considerable attention as promising post-lithium energy storage technologies owing to their intrinsic safety,cost-effectiveness,and competitive gravimetric energy density.However,their practical commercialization is hindered by critical challenges on the anode side,including dendrite growth and parasitic reactions at the anode/electrolyte interface.Recent studies highlight that rational electrolyte structure engineering offers an effective route to mitigate these issues and strengthen the electrochemical performance of the zinc metal anode.In this review,we systematically summarize state-of-the-art strategies for electrolyte optimization,with a particular focus on the zinc salts regulation,electrolyte additives,and the construction of novel electrolytes,while elucidating the underlying design principles.We further discuss the key structure–property relationships governing electrolyte behavior to provide guidance for the development of next-generation electrolytes.Finally,future perspectives on advanced electrolyte design are proposed.This review aims to serve as a comprehensive reference for researchers exploring high-performance electrolyte engineering in AZIBs. 展开更多
关键词 Aqueous zinc-ion batteries Electrolyte structure Anode/electrolyte interphase Zinc anode
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Modulating coordination mode of Zn-ion in MOF protective layer to boost the reversibility of zinc anode for ultralong-life aqueous batteries 认领 引用
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作者 Xuanhe Hu Hujing Zhou +4 位作者 Weilin Shen Hongyuan Liang Jieying Hu Lai-Hon Chung Jun He 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2026年第6期204-213,I0006,共10页
Aqueous Zn-ion batteries provide an alternative solution to grid energy storage,but their development has been hindered by dendrite formation and parasitic reactions on Zn anodes.Artificial protective layers hold grea... Aqueous Zn-ion batteries provide an alternative solution to grid energy storage,but their development has been hindered by dendrite formation and parasitic reactions on Zn anodes.Artificial protective layers hold great potential for alleviating these issues,in which the coordination between zincophilic sites and Zn2+plays a crucial role.However,the coordination mode,a key descriptor of interactions,is largely overlooked.Herein,we present a strategy to govern Zn2+diffusion and deposition behavior by changing its coordination mode in the metal–organic framework(MOF)protective layer by installing bidentate dihydroxyanthraquinone(AQOH)and monodentate anthraquinone(AQ)groups onto UiO-66 to afford UiOAQOH and UiO-AQ.Thanks to the superior chelating ability of the adjacent dual oxygen sites,the bidentate coordination is demonstrated to enable UiO-AQOH as a powerful ion-trapper to modulate Zn2+more effectively than UiO-AQ.Specifically,this coordination mode expedites the desolvation of hydrated Zn2+by kicking off more coordinated water than monodentate coordination,thereby suppressing waterinduced side reactions.Meanwhile,it contributes to improving Zn2+transport kinetics and guiding the diffusion of captured Zn2+along the target-distributed sites in nanochannels,ensuring a homogeneous Zn deposition.Notably,the assembled Zn||MnO2 full cell achieves an impressive ultra-long cycle life of10,000 cycles at 3 A g-1,surpassing most reported cases.This work provides new insights into designing advanced Zn anodes for high-performing aqueous batteries. 展开更多
关键词 Zinc anode Zinc-ion batteries MOF Artificial interphase Bidentate coordination
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Beyond the primary solvation sheath:Correlating Li+solvation sheath structure with the electrochemical performances of phosphorus anode 认领 引用
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作者 Xinpeng Han Siyu Fang +3 位作者 Junhan Pan Shijie Song Yuhao Chen Jie Sun 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2026年第4期412-420,I0010,共9页
Instead of designing a primary solvation sheath,the regulation of the secondary solvation sheath is overlooked but critical for manipulating ion migration and interfacial electrochemistry.Herein,we integrate molecular... Instead of designing a primary solvation sheath,the regulation of the secondary solvation sheath is overlooked but critical for manipulating ion migration and interfacial electrochemistry.Herein,we integrate molecular dynamics simulations with experimental measurements to systematically investigate the correlation between the Li+secondary solvation sheath and the electrochemical performance of phosphorus(P)anodes.We find that the bis(fluorosulfonyl)imide anion(FSI-)-rich secondary solvation sheath serves as an"electrostatic gear"to pull Li+out of the primary solvation sheath,thereby generating channels through which the Li+can pass.Meanwhile,the compact size of secondary solvation sheath promotes the formation of dense FSI--derived clusters,which in turn enables the construction of a mechanically robust interphase.This unique FSI--rich,compact secondary solvation sheath dictates the performance of the P anode,achieving a durable cycle life of 19 months at 200 mA g-1.After 600 cycles at 2.6 A g-1,the capacity remained at 1540.7 mA h g-1,corresponding to 76.7%of the 10th discharge capacity with the low decay rate of 0.039%per cycle.When coupled with the NCM523 cathode,the NCM523//P full cell configuration maintains 98.4%capacity retention after 1000 cycles at 0.5C.These findings provide a new insight into handling the electrolyte compatibility and fast-charging issues of P-based lithium-ion batteries. 展开更多
关键词 Phosphorus anode Beyond the primary solvation sheath Solvation Electrolyte Coordination
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A“breathable”3D lithium host with MnO2nanoflake array for long-lifespan anode-free lithium metal batteries 认领 引用
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作者 Jiaojiao Deng Haocheng Li +6 位作者 Fei Zheng Qingsong Weng Yu Bai Xiaoliang Yu Qianlin Zhang Qinghua Liang Baohua Li 《Chinese Chemical Letters》 SCIE CAS CSCD 2026年第3期722-726,共5页
The emerging anode-free lithium metal battery(AFLMB)is very promising for the next-generation electrochemical energy storage technology due to its remarkable high-energy density.However,the current development of AFLM... The emerging anode-free lithium metal battery(AFLMB)is very promising for the next-generation electrochemical energy storage technology due to its remarkable high-energy density.However,the current development of AFLMB is seriously hampered by the low Coulombic efficiency and limited lifespan caused mainly by the uncontrolled dendritic lithium growth and significant volume change during Li plating/stripping on the traditional current collector.Here,we report the design of a“breathable”threedimensional(3D)lithium host with MnO2nanoflake array for long-lifespan AFLMB.Specifically,a dense MnO2nanoflake array stretchably grown on carbon cloth by an easy solution dipping method is constructed as a 3D current collector for AFLMBs.Both experimental and theoretical studies underlined that the Li2O/Mn nanoflake arrays produced spontaneously upon the initial lithiation can effectively guide uniform lithium nucleation and growth.Moreover,this unique 3D hierarchical structure expands/shrinks along with the lithium plating/stripping,accommodating the large volume expansion/shrinkage over the subsequent charge/discharge processes.As such,a dendrite-free lithium structure was achieved even at a high capacity of 10 m Ah/cm2.More importantly,the as-constructed AFLMB with this current collector exhibits impressive cycling stability with 64%capacity retained after 200 cycles.This study offers new insights into constructing highly efficient 3D protective layers for metal anodes toward the practical feasibility of anode-free batteries. 展开更多
关键词 Lithium metal battery Anode free Nanoflake array Mechanical breathing Cycling stability
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Ion-Sieving Dual-Scale Asymmetric Cellulose Membrane as a Sustainable Paper-Based Separator for Ultra-Stable Zinc Anodes 认领 引用
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作者 Xinlong Liu Junze Zhang +6 位作者 Cuiqin Fang Yana Xiao Yujue Yang Shuai Wang Qingjun Yang Yaopeng Wu Bingang Xu 《Nano-Micro Letters》 SCIE EI CAS CSCD 2026年第9期290-307,共18页
Conventional glass fiber separators used in aqueous zincion batteries(ZIBs) are inadequate in suppressing Zn dendrite growth and parasitic reactions due to unregulated ion transport. Here, we design a fully biodegrada... Conventional glass fiber separators used in aqueous zincion batteries(ZIBs) are inadequate in suppressing Zn dendrite growth and parasitic reactions due to unregulated ion transport. Here, we design a fully biodegradable and dual-scale asymmetric paper-based membrane that synergistically couples a macroporous paper scaffold with a surface layer of carboxylated nanoporous cellulose nanofibers(CNFs) for ion regulation. This dual-scale architecture establishes coordination-assisted ion-hopping pathways via Zn2+–COOH interactions, homogenizing Zn2+ flux to enable uniform nucleation and inhibit dendrites. Simultaneously, the nanoporous and negatively charged CNF layer functions as an ion sieve, preferentially conducting Zn2+ while restricting water mobility and polyiodide shuttling, thereby mitigating side reactions. When deployed as a separator, the membrane enables an ultra-stable Zn||Zn symmetric cell cycling over 1,900 h at 1.0 mA cm-2 and an average Coulombic efficiency of 97.3% in Zn||Cu cells, achieving a sixfold lifespan extension over commercial glass fiber separators. The corresponding Zn||I2 full cell retains a specific capacity of 172.8 mAh g-1 after 4,000 cycles at 2.0 A g-1, underscoring its efficacy in suppressing shuttle effects. This cellulose-based design reduces separator cost by 83% while ensuring full biodegradability, offering a practical and sustainable pathway toward high-performance ZIBs. 展开更多
关键词 Cellulose separator Glass fiber Dual-scale Biodegradable Zinc anode
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Origin and design principles of efficient artificial interface layers:Crystal facets dependent CeO2 interlayer for reversible zinc anode 认领 引用
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作者 Sifan Qiao Xinyan Zhou +4 位作者 Qing Liang Long Chen Fuxi Liu Yong Gao Wei Zhang 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2026年第6期376-385,I0010,共10页
Artificial interface layer-aided zinc anodes(AIL@Zn)with simultaneously controllable Zn dendrite growth and corrosion resistance are highly expected to simultaneously achieve both high capacity and cycle stability in ... Artificial interface layer-aided zinc anodes(AIL@Zn)with simultaneously controllable Zn dendrite growth and corrosion resistance are highly expected to simultaneously achieve both high capacity and cycle stability in aqueous zinc ion batteries(AZIBs).However,how the facet effects of the AIL guides the efficient Zn deposition behavior remains an open question.Herein,we devise a facile and scalable hydrothermal approach to synthesize various nanostructured X-CeO2 AILs to coat the Zn anode,ultimately offering an X-CeO2@Zn electrode.Among all X-CeO2@Zn anodes,rod-shaped CeO2 with exposed{110}facets modified Zn anode(R-CeO2@Zn)can effectively inhibit dendrite growth and side reactions,thereby delivering ultrastable durability over 2500 h at 1 mA cm-2/0.5 mAh cm-2and reversibility cycled for 250 h at 84.7%depth of discharge.In addition,MoS2//R-CeO2@Zn full cell delivers a significantly capacity retention rate above 99%after 1000 cycles.The superior performance originates from the exposed{110}facets,which uniquely modulate the binding and diffusion energies of Zn adatoms to promote homogeneous deposition.This work shifts the AIL design principle from mere composition selection to atomic-level facet control,offering a general strategy for next-generation battery electrodes.Additionally,the strategy proposes its extension to other metal-ion battery systems. 展开更多
关键词 Ceria Zn anode Artificial interface layer Exposed facets Design principle
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Pre-Formation of LiF-Rich Interfaces on Prelithiated Si/C Anodes for High-Energy Lithium-Ion Batteries 认领 引用
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作者 Wen‑Jie He Wei Xu +7 位作者 Xiu‑Ying Jin Bo‑Nan Wang Wen‑Jie Liu Yue Xiao Gang Qin Takayuki Ichikawa Gai Wu Teng‑Fei Zhang 《Rare Metals》 SCIE EI CAS CSCD 2026年第4期822-834,共13页
Prelithiation is effective for compensating active lithium-ion(Li+)loss in silicon(Si)-based battery electrode materials.However,owing to the dynamic growth of the solid electrolyte interface(SEI),capacity fading r... Prelithiation is effective for compensating active lithium-ion(Li+)loss in silicon(Si)-based battery electrode materials.However,owing to the dynamic growth of the solid electrolyte interface(SEI),capacity fading remains the biggest challenge for the industrialization of Si electrodes.To address this problem,a novel ether-based prelithiation reagent was rationally designed by exploiting the weak solvent-solute coordination and the competitive reduction mechanism among electrolyte components.Precise regulation of the Li+solvation structure enhanced Li+transport during prelithiation,achieving an exceptional initial Coulombic efficiency(ICE)of~100%for the Si/carbon(Si/C)anode after performing contact prelithiation for 2 min.Furthermore,the lithium fluoride(LiF)-rich interface with high mechanical toughness was pre-formed to assist in the formation of a stable SEI controlling the lowest unoccupied molecular orbital(LUMO)energy and binding energy of the prelithiation reagent,thereby improving the half-cell cycle performance.Consequently,the ICE of the full-cell incorporating the prelithiated Si/C anode increased by 40%compared with that containing as-received materials,and the corresponding energy density was 551.2 Wh kg-1 based on the electrode material after 3 cycles.Furthermore,theoretical calculations combined with in situ characterization techniques confirmed the strong potential of the contact prelithiation design strategy for large-scale industrial applications. 展开更多
关键词 initial coulombic efficiency prelithiation Si‑based anode solid electrolyte interface solvation structure
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Robust metal-based composite layer enabling enhanced interface stability for highly reversible zinc anodes 认领 引用
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作者 Chengwu Yang Pattaraporn Woottapanit +4 位作者 Qizhi Hou Zhiqiang Dai Wanwisa Limphirat Jiaqian Qin Xinyu Zhang 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2026年第6期635-644,I0015,共10页
Aqueous zinc-ion batteries(AZIBs)are promising for large-scale energy storage systems but face critical challenges at the Zn metal anode,including dendrite growth,parasitic reactions and interfacial instability,which ... Aqueous zinc-ion batteries(AZIBs)are promising for large-scale energy storage systems but face critical challenges at the Zn metal anode,including dendrite growth,parasitic reactions and interfacial instability,which severely limit cycling reversibility and battery lifespan.To address these limitations,we herein introduce a scalable surface coating strategy to fabricate a robust metal-based composite layer on Zn anodes.Theoretical and experimental analyses demonstrate that this meticulously designed protective layer provides exceptional zincophilicity,hydrophobicity and enhanced interfacial charge redistribution,effectively promoting uniform Zn2+nucleation while concurrently suppressing surface corrosion and hydrogen evolution.Importantly,its strong mechanical robustness and elastic adaptability provide crucial buffering against the volumetric changes inherent to high-capacity Zn plating/stripping processes,thereby ensuring unparalleled reversibility and enduring stability of the Zn anode.Consequently,these modified anodes demonstrate prolonged galvanostatic cycling for over 3500 h with an average Coulombic efficiency of 99.87%and a stable discharge capacity of 112.0 mAh g-1for 3000 cycles in Zn||V2O5 cells.Furthermore,the high capacity and cyclability of prototype pouch cells underscore the practical viability and considerable potential of this scalable methodology for advancing highperformance AZIBs. 展开更多
关键词 Zn metal anode Surface coating Protective layer Reversible plating/stripping Cycling stability
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Synergistic pinning and piezoelectric effects in CNT/BaTiO3network for SiO-based anodes toward ultra-stable lithium batteries 认领 引用
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作者 Feng Sun Anjun Hu +9 位作者 Junmei Han Shenghai Xin Zhihui Ma Youwei Wang Jianbin Li Qi Wan Ruidie Tang Shaofei Wu Xuanhui Qu Ping Li 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2026年第4期748-758,I0018,共11页
Silicon dioxide(SiO)is regarded as a promising anode candidate for high-energy-density lithium-ion batteries(LIBs)owing to its superior theoretical specific capacity.However,SiO anodes encounter substantial challenges... Silicon dioxide(SiO)is regarded as a promising anode candidate for high-energy-density lithium-ion batteries(LIBs)owing to its superior theoretical specific capacity.However,SiO anodes encounter substantial challenges,including substantial volume expansion and persistent growth of a thick solid electrolyte interphase(SEI).In this work,a composite conductive network with dual pinning and piezoelectric effects is proposed,which is cleverly designed to improve the electrochemical reaction kinetics of the electrode.Within the proposed network architecture,single-walled carbon nanotubes(CNTs)serve as fast electronic conductors and structural protective layers,forming a three-dimensional(3D)coating network on the surface of SiO particles.Barium titanate(BTO)nanoparticles are anchored at the nodes of the CNT network through the formation of rigid anchor points,dispersing stress throughout the network.Concurrently,mechanical stress induced by electrochemical reactions prompts BTO to generate a local electric field,facilitating Li+transport.Consequently,the developed anode(SiO@PCB)demonstrates remarkable electrochemical performance in LIBs,exhibiting a capacity retention rate of 94%even after 500 cycles at 1 A g-1.Furthermore,a capacity retention of 71.6%is demonstrated by SiO@PCB anode after 1000 cycles at 5 C in sulfide-based all-solid-state LIBs using an NCM83 cathode.This composite conductive network structure provides an effective guidance plan for achieving interface stability and long-term lithium storage of Si-based anodes. 展开更多
关键词 SiO-based anode Pinning effect Piezoelectric effect Composite conductive network Long-cycling life
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A crosslinked porous polyether protective layer with ion-selective channels for high-performance zinc anodes 认领 引用
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作者 Jie Feng Xinyang Li +7 位作者 Yingbin Wu Zongnan Zhang Xiaofeng Cui Menghang Sun Dandan Yin Lanya Zhao Hongyang Zhao Shujiang Ding 《Science China Chemistry》 SCIE EI CAS CSCD 2026年第7期3711-3720,共10页
Constructing functional polymer layers on zinc(Zn)anodes enhances the stability of Zn anodes.However,conventional polymer coatings cannot effectively coordinate Zn2+deposition with water-induced side reactions due ... Constructing functional polymer layers on zinc(Zn)anodes enhances the stability of Zn anodes.However,conventional polymer coatings cannot effectively coordinate Zn2+deposition with water-induced side reactions due to their single and limited chemical composition.Here,through C-H functionalization technology,maleic anhydride(MA)is grafted onto tetra-arm polyethylene glycol(4-arm PEG).Subsequently,a crosslinked porous polyether protective layer(CFPG)is formed in situ on Zn anodes through esterification/amidation reactions,where amino-β-cyclodextrin(NH2-β-CD)is employed as the crosslinking agent.The cavities of NH2-β-CD can adsorb Zn2+via supramolecular interactions,forming nanochannels for Zn2+transport,while the 4-arm PEG and NH2-β-CD peripheries form a continuous hydrogen-bonded receptor network confining water molecules.Therefore,CFPG effectively suppresses side-reactions and ensures long-term battery performance.The CFPG@Zn symmetric cell achieves stable cycling for 3000 h at 1 mA cm-2,2200 h at 5 mA cm-2,and over 1100 h at a high discharge depth of 40%.The full-cell with VO2 cathode delivers 3000 cycles at high mass-loading of 7.9 mg cm-2.It also maintains 1000 cycles under stringent conditions(12.3 mg cm-2,40-μm Zn).This study presents a crosslinked porous polymer network with ion-selective channels as a novel approach to advanced interfacial layer design. 展开更多
关键词 zinc ion battery ion-selective channel C-H functionalization zinc anode polymer coating β-cyclodextrin
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Enhanced leaching of manganese from zinc anode slime with a thiourea assisted sulfuric acid solution 认领 引用
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作者 GUO Meng-wei CHAI Zheng +7 位作者 SHAO Wei-chun GAO Ming-yuan DENG Rong-rong RU Juan-jian XU Cun-ying LI Yan HUA Yi-xin ZHANG Qi-bo 《Journal of Central South University》 SCIE EI CAS CSCD 2026年第6期2477-2491,共15页
Zinc anode slime(ZAS),a metallurgical byproduct generated during zinc electrowinning,contains Mn,Pb,Fe,and trace amounts of Ag.Hydrodynamic instabilities in the electrolyte circulation system cause ZAS particles to re... Zinc anode slime(ZAS),a metallurgical byproduct generated during zinc electrowinning,contains Mn,Pb,Fe,and trace amounts of Ag.Hydrodynamic instabilities in the electrolyte circulation system cause ZAS particles to remain suspended,thereby compromising electrodeposition kinetics and the purity of cathodic zinc.Consequently,periodic removal and valorization of ZAS are necessary.This study proposes a novel hydrometallurgical route for recovering high-purity Mn2O3 from ZAS.The process integrates sulfuric acid leaching with thiourea(TU)reduction,followed by sequential purification,precipitation,and calcination.Under optimized conditions(ZAS:TU mass ratio of 10:3,200 g/L H2SO4,solid-to-liquid ratio of 1:5,temperature of 60℃,duration of 2 h,and 100-mesh ZAS particle size),a leaching efficiency of 91.39%for Mn is achieved.Subsequent precipitation recovers 96.21%of Mn as Mn(OH)2,resulting in Mn2O3 after calcination.Kinetic analysis indicates that the reaction follows the unreacted shrinking core model,with mixed control by interfacial reactions and ion diffusion(Ea=35.87 kJ/mol).This work elucidates the reaction mechanisms and establishes a viable route for the valorization of industrial metallurgical residues. 展开更多
关键词 zinc anode slime thiourea acidic reduction leaching leaching kinetics high value recovery
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A high-tap-density,particle-nested-bulk bismuth anode for fast-charging sodium-ion batteries 认领 引用
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作者 Xiaoling Qiu Ruijie Chen +5 位作者 Keren Luo Xiaoran Wang Tuan Wang Pengcheng Shi Wenlong Cai Hao Wu 《Chinese Chemical Letters》 SCIE CAS CSCD 2026年第4期431-438,共8页
The application of commercial hard carbon(HC)materials in sodium-ion batteries(SIBs)is limited by their inferior rate capability(<5.0 A/g)and low tap density(<1.0 g/cm3).Alloying-type bismuth(Bi)offers a high... The application of commercial hard carbon(HC)materials in sodium-ion batteries(SIBs)is limited by their inferior rate capability(<5.0 A/g)and low tap density(<1.0 g/cm3).Alloying-type bismuth(Bi)offers a high theoretical volumetric capacity of 3800 mAh/cm3 and superb rate capability but suffers from large volume expansion(~244%)and undesirable structural pulverization.Herein,a hectogram-scale Bi-inlaid carbon skeleton(GC-Bi)composite was synthesized through a facile precipitation-carbonization method using low-cost industrial-grade chemical reagents.The as-prepared GC-Bi composite features a unique particle-nested-bulk architecture,achieving a high tap-density of 3.33 g/cm3,which is approximately 4.16 times greater than that of commercial HC.Besides,the carbon sheath enhances the electronic conductivity and accommodates the substantial volume swelling of the embedded Bi particles,contributing to the formation of a thin and stable solid electrolyte interface on the electrode.Consequently,the GC-Bi anode achieves a high volumetric capacity(1123 mAh/cm3),impressive rate capability(207.8 mAh/g at 80 A/g),together with long cyclability retaining 96.5%of its capacity after 5000 cycles in a Na//GC-Bi half-cell and 78%after 800 cycles in a GC-Bi//Na3V2(PO4)3 full-cell. 展开更多
关键词 Scalable synthesize Tap density High-rate capability Bismuth-based anode Sodium-ion batteries
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Revisiting the Modification Strategies of Alloy-Base Anode for Solid-State Lithium-Ion Batteries Through Deconstructing Anode-Interface-Solid Electrolyte 认领 引用
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作者 Yueying Chen Hanyi Yu +7 位作者 Yuerui Lin Cong Liu Akif Zeb Zijian Cai Hongzhe Chu Yuhong Luo Xiaoming Lin Jiaye Ye 《Nano-Micro Letters》 SCIE EI CAS CSCD 2026年第10期136-264,共129页
In recent years,advanced battery systems based on solid electrolytes have become a research hotspot to replace traditional liquid lithium-ion batteries due to their significant advantages in energy storage performance... In recent years,advanced battery systems based on solid electrolytes have become a research hotspot to replace traditional liquid lithium-ion batteries due to their significant advantages in energy storage performance and safety.The alloy anode materials(such as Si,Sn,and P)have attracted much attention due to their significantly higher theoretical capacity than graphite.This article systematically reviews the characteristics,key challenge and the latest progress of alloy-solid-state batteries at the anode and solid electrolyte levels.It is emphasized that through strategies such as structural design,material composite,surface engineering and overall electrode system optimization,the volume expansion problem of alloy materials during the cycling process can be alleviated.Meanwhile,in-depth analyses of the dynamic evolution of the interface of solid electrolytes,the kinetics of lithium-ion transport,and the failure mechanisms and innovative strategies in terms of mechanical properties have also been conducted.In addition,this paper introduces the in-depth analysis of the dynamic mechanism in the lithiation process through advanced in situ characterization techniques and multi-physics field simulation methods,thereby providing theoretical guidance for material design.Finally,the potential directions and future opportunities for promoting the development of solid-state batteries with alloy-based anodes are explored. 展开更多
关键词 Alloy anode Solid electrolyte Solid-state batteries Solid-state lithium-ion batteries
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Structural Modification and Deformable Design of Electrospun Sn@C Nanofiber Anodes Through Oxide Doping for Flexible Lithium-Ion Batteries 认领 引用
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作者 Yu Xin Jiaxiang Li +4 位作者 Zhiyan Wang Chang Miao Shi Pan Chengjin Liu Wei Xiao 《Rare Metals》 SCIE EI CAS CSCD 2026年第5期655-666,共12页
Size-controllable Sn nanoparticles are designed in this work via oxide doping to be uniformly embedded into flexible N-doped carbon nanofibers,in which the agglomeration and migration of Sn are effectively restrained ... Size-controllable Sn nanoparticles are designed in this work via oxide doping to be uniformly embedded into flexible N-doped carbon nanofibers,in which the agglomeration and migration of Sn are effectively restrained due to the suppressive effect of selected oxides,including SiO2,TiO2,and ZnO.Benefiting from unique merits of the embedment structure,such as ultrahigh aspect ratio,superior adhesion,and ideal stability,the flexible freestanding and highly robust electrode(Sn/TiO2@C,STC)is fabricated and exhibits a reversible specific capacity of 968.4 mAh g-1after 100 cycles at 0.1 A g-1.Moreover,the STC electrode contributes to a cycle lifespan of over 1000 cycles with a high specific capacity of 519.7 mAh g-1at 1.0 A g-1and a capacity decay as low as 0.00185%per cycle.Remarkably,practical application potential of the STC electrode was demonstrated by being assembled into a pouch cell,which not only works stably under bending states but also presents a specific capacity of 954.8 mAh g-1after 150 cycles at 0.1 A g-1.This composite fiber anode avoids extra use of polymer binder,current collector,and conductive additive,and exhibits a great potential in the practical application of flexible energy storage devices. 展开更多
关键词 deformable design lithium-ion battery nanofiber anode oxide doping structural modification
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Sulfurization-induced uniform Ag nanoparticles anchoring for longlasting anode protection in alkaline seawater electrolysis 认领 引用
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作者 Haocheng Chen Sixie Zhang +8 位作者 Yingjie Wen Li Yi Denggui Wang Jinchao Zhu Xu Chen Wuyong Zhang Wenwen Xu Jianwei Nai Zhiyi Lu 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2026年第4期447-455,I0011,共9页
Seawater electrolysis is a promising approach for sustainable hydrogen production,while the abundant halides in seawater(particularly Cl-,~0.4-0.5 M)aggressively corrode the anode substrate,drastically shortening t... Seawater electrolysis is a promising approach for sustainable hydrogen production,while the abundant halides in seawater(particularly Cl-,~0.4-0.5 M)aggressively corrode the anode substrate,drastically shortening the lifespan of the anode.Here,we report a rigid corrosion-resistant anode composed of Ag nanoparticles anchored on sulfurized NiFe nanosheets(NiFeS@Ag)for highly durable oxygen evolution reaction(OER)in alkaline seawater.In experiments,NiFeS@Ag delivers excellent OER activity(400 mA cm-2in 280 mV overpotential)and exceptional durability,maintaining operation for over 1000 h in high-concentrated alkaline brine electrolyte and exceeding 7000 h in alkaline seawater.Characterizations and simulations reveal that,during OER,Ag nanoparticles remain uniformly dispersed without obvious agglomeration due to the robust Ag-S bridges between Ag and NiFeS,further immobilizing more Cl-in the form of AgCl to effectively repel corrosive halide,underpinning the long-term stability.The scaled-up NiFeS@Ag/Ni mesh anode further demonstrates stable operation over 1000 h in a multi-cell electrolyzer at 200 mA cm-2and 80℃.Our anode protection strategy provides significant guidance for designing long-life anodes for commercial alkaline seawater electrolysis. 展开更多
关键词 Alkaline seawater electrolysis Anode Ag nanoparticles anchoring Anti-Cl-corrosion Stability
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