Advances in component and operation optimization of solid oxide electrolysis cell |
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| Institution: | 1. College of Energy, Xiamen University, Xiamen 361102, China;2. School of Materials Science and Engineering, State Key Lab of Materials Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, China;3. Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen 361005, China;4. National Engineering Laboratory for Green Chemical Productions of Alcohols, Ethers and Esters, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China;5. State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China;6. Shenzhen Research Institute of Xiamen University, Shenzhen 518057, China |
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| Abstract: | Considering the earth powered by intermittent renewable energy in the coming future, solid oxide electrolysis cell (SOEC) will play an indispensable role in efficient energy conversion and storage on demand. The thermolytic and kinetic merits grant SOEC a bright potential to be directly integrated with electrical grid and downstream chemical synthesis process. Meanwhile, the scientific community are still endeavoring to pursue the SOEC assembled with better materials and operated at a more energy-efficient way. In this review article, at cell level, we focus on the recent development of electrolyte, cathode, anode and buffer layer materials for both steam and CO2 electrolysis. On the other hand, we also discuss the next generation SOEC operated with the assistant of other fuels to further reduce the energy consumption and enhance the productivity of the electrolyzer. And stack level, the sealant, interconnect and stack operation strategies are collectively covered. Finally, the challenges and future research direction in SOECs are included. |
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