期刊
CHEMIE INGENIEUR TECHNIK
卷 92, 期 1-2, 页码 31-39出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cite.201900101
关键词
Accelerated stress test; Catalyst; Iridium; Oxygen evolution reaction; PEM electrolysis
资金
- Bavarian Ministry of Economic Affairs and Media, Energy and Technology through the project ZAE-ST (storage technologies)
- German Federal Ministry of Education and Research (BMBF) [03SFK2V0]
This work addresses current challenges in catalyst development for proton exchange membrane water electrolyzers (PEM-WEs). To reduce the amount of iridium at the oxygen anode to levels commensurate with large-scale application of PEM-WEs, high-structured catalysts with a low packing density are required. To allow an efficient development of such catalysts, activity and durability screening tests are essential. Rotating disk electrode measurements are suitable to determine catalyst activity, while accelerated stress tests on the MEA level are required to evaluate catalyst stability.
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