Degradation in Solid Oxide Cells During High Temperature Electrolysis.

Sohal, M. S.

Technical Information Center Oak Ridge Tennessee

关键词: Solid oxide electrolysis cells;    Degradation;    High temperature;    Hydrogen production;    Steam;   

RP-ID  :  DE2009957533

学科分类：工程和技术（综合）

美国|英语

来源: National Technical Reports Library

【 摘 要 】

The Idaho National Laboratory has an ongoing project to generate hydrogen from steam using solid oxide electrolysis cells (SOEC). The project goals are to address the technical and degradation issues associated with the solid-oxide electrolysis cells. This report covers various degradation issues relating to solid oxide (electrolysis) cells, discussed during a workshop on Degradation in Solid Oxide Electrolysis Cells and Strategies for its Mitigation, held in Phoenix, AZ on October 27, 2008. Major degradation issues relating to SOECs are: Delamination of O(sub2)-electrode and bond layer on steam/O(sub2)-electrode side, Contaminants (Ni, Cr, Si, etc.) on reaction sites (triple phase boundary), Loss of electrical/ionic conductivity of electrolyte. This list is not all inclusive. However this workshop summary can be useful in providing a direction for future research related to SOEC degradation.