Test Results of High Temperature Steam/CO(sub 2) Co-Electrolysis in a 10-Cell Stack

Stoots, C. M. ; O'Brien, J. E. ; Harvigsen, J. J.

Technical Information Center Oak Ridge Tennessee

关键词: Hydrogen production;    Carbon dioxide;    Steam;    High temperature;    Electrolysis;   

RP-ID  :  DE2007912906

学科分类：工程和技术（综合）

美国|英语

来源: National Technical Reports Library

【 摘 要 】

High temperature coelectrolysis experiments with CO2/H2O mixtures were performed in a 10-cell planar solid oxide stack. Results indicated that stack apparent ASR values were shown not to vary significantly between pure steam electrolysis and steam/CO2 coelectrolysis values. Product gas compositions measured via an online micro gas chromatograph (GC) showed excellent agreement to predictions obtained from a chemical equilibrium coelectrolysis model developed for this study. Experimentally determined open cell potentials and thermal neutral voltages for coelectrolysis compared favorably to predictions obtained from a chemical equilibrium coelectrolysis and energy balance model, also developed for this study.