High-temperature electrocatalysis and key materials in solid oxide electrolysis cells

被引:114
作者
Ye, Lingting [1 ,2 ]
Xie, Kui [1 ,2 ]
机构
[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, Key Lab Optoelect Mat Chem & Phys, Fuzhou 350002, Fujian, Peoples R China
[2] Chinese Acad Sci, Fujian Inst Res Struct Matter, Key Lab Design & Assembly Funct Nanostruct, Fuzhou 350002, Fujian, Peoples R China
来源
JOURNAL OF ENERGY CHEMISTRY | 2021年 / 54卷
关键词
Electrocatalysis; Solid oxide electrolysis cell; Cathode; Anode; Electrolyte; FUEL-CELL; CO-ELECTROLYSIS; CARBON-DIOXIDE; INTERMEDIATE-TEMPERATURE; SYNGAS PRODUCTION; STABILIZED ZIRCONIA; OXYGEN-ELECTRODE; PERFORMANCE; CATHODE; ANODE;
D O I
10.1016/j.jechem.2020.06.050
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Solid oxide electrolysis cells (SOECs) can convert electricity to chemicals with high efficiency at similar to 600-900 degrees C, and have attracted widespread attention in renewable energy conversion and storage. SOECs operate in the inverse mode of solid oxide fuel cells (SOFCs) and therefore inherit most of the advantages of SOFC materials and energy conversion processes. However, the external bias that drives the electrochemical process will strongly change the chemical environments in both in the cathode and anode, therefore necessitating careful reconsideration of key materials and electrocatalysis processes. More importantly, SOECs provide a unique advantage of electrothermal catalysis, especially in converting stable low-carbon alkanes such as methane to ethylene with high selectivity. Here, we review the state-of-the-art of SOEC research progress in electrothermal catalysis and key materials and provide a future perspective. (C) 2020 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by ELSEVIER B.V. and Science Press. All rights reserved.
引用
收藏
页码:736 / 745
页数:10
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