期刊
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
卷 165, 期 7, 页码 F441-F455出版社
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.0361807jes
关键词
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资金
- Laboratory Directed Research and Development (LDRD) Program at the National Renewable Energy Laboratory
This paper fills a significant gap in the literature for alkaline hydrogen evolution (HER) and oxidation (HOR) baseline performance, while reviewing the different variables that influence observed properties. Although high-performing HER-HOR catalysts in acidic electrolytes are too active to measure kinetic in rotating disk electrode (RDE) half-cells, under alkaline conditions RDE kinetics evaluations are relevant and half-cell performances are comparable to hydrogen pump data. This paper focuses on best practices to ensure that half-cell tests don't unnecessarily lower platinum group metal (PGM) performance or improve non-PGM performance. Specific aspects examined include experiments on PGMs minimizing the impact of impurities (electrolyte, cell material) and experiments on non-PGMs minimizing the impact from test protocols (counter electrode). (C) The Author(s) 2018. Published by ECS.
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