Journal
ELECTROCHEMISTRY
Volume 90, Issue 4, Pages -Publisher
ELECTROCHEMICAL SOC JAPAN
DOI: 10.5796/electrochemistry.22-00029
Keywords
Water Electrolysis; Powder Oxide Catalyst; Activity Evaluation Method; Electrolyzer Evaluation
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Funding
- New Energy and Industrial Technology Development Organization [JPNP14021]
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In this study, a highly accurate catalyst evaluation method was proposed by improving the time-zero analysis. The method can accurately evaluate the kinetic activity of gas evolution powder catalysts.
In this study, we propose a highly accurate catalyst evaluation method by improving the time-zero analysis, which has been reported as an activity evaluation method for gas evolution powder catalysts. We refined the extrapolation approach to plot in this study's time-zero analysis as an analytical method. The Tafel slopes obtained with this method for LaNiO3 (LNO) were found to be within the reported range, and the data was consistent in catalytic loading range of 2.5-3.3 mg(-LNO) cm(-2). Using the improved time-zero analysis, the kinetic activity of the gas evolution powder catalyst is possible to be evaluated with high accuracy. [GRAPHICS] . (c) The Author(s) 2022. Published by ECSJ. This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 License (CC BY, http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse of the work in any medium provided the original work is properly cited.
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