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Chemical Looping Steam Reforming of Methane under Mild Conditions via Non-Thermal Plasma 认领 引用
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作者 Zunrong Sheng Donglong Fu +6 位作者 Tingting Yang Xianhua Zhang Zheyuan Ding Chunlei Pei Sai Chen Zhi-Jian Zhao Jinlong Gong 《Engineering》 SCIE EI CSCD 2026年第5期190-197,共8页
The chemical looping steam reforming of methane(CL-SRM)holds immense potential for energy-efficient conversion of CH4into syngas and high-purity hydrogen.However,its large-scale implementation remains limited by hi... The chemical looping steam reforming of methane(CL-SRM)holds immense potential for energy-efficient conversion of CH4into syngas and high-purity hydrogen.However,its large-scale implementation remains limited by high operating temperatures and substantial energy requirements.This paper describes a non-thermal plasma-mediated CL-SRM process based on CH4/H2O redox cycles over lanthanum-based perovskites under mild conditions.The developed process achieves efficient CH4activation at 600℃,attaining 53.5%CH4conversion and0.57 mmol·g-1 H2with 92%purity over La0.5Ce0.5FeO3,while negligible conversion is observed under plasma-free conditions at the same furnace temperature.These performances surpass those observed under purely thermal conditions at 800℃.Mechanistic insights reveal that plasma plays a crucial role in generating vibrationally excited CH4v species,thereby markedly lowering the reaction barrier for CH4activation.The plasma-mediated CL-SRM process delivers energy through voltage-induced electron transfer,offering the potential for adiabatic reactor designs that minimize energy consumption compared with conventional combustion-based systems suffering from heat transfer limitations. 展开更多
关键词 Non-thermal plasma Redox chemistry Steam reforming of methane Hydrogen
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Neural Network Accelerated Investigation of the Dynamic Structure-Performance Relations of Electrochemical CO2 Reduction over SnOx,Surfaces 认领 引用 被引量：5
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作者 Lulu Li Zhi-Jian Zhao +5 位作者 Gong Zhang Dongfang Cheng Xin Chang Xintong Yuan Tuo Wang Jinlong Gong 《Research》 SCIE EI CSCD 2023年第2期351-360,共10页
Heterogeneous catalysts,especially metal oxides,play a curial role in improving energy conversion efficiency and production of valuable chemicals.However,the surface structure at the atomic level and the nature of act... Heterogeneous catalysts,especially metal oxides,play a curial role in improving energy conversion efficiency and production of valuable chemicals.However,the surface structure at the atomic level and the nature of active sites are still ambiguous due to the dynamism of surface structure and difficulty in structure characterization under electrochemical conditions. 展开更多
关键词 conditions structure difficulty
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