期刊
JOURNAL OF POWER SOURCES
卷 353, 期 -, 页码 19-27出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2017.03.140
关键词
Oxygen reduction reaction; Platinum; Carbon supported catalyst; Rotating disc electrode; Catalyst ink
资金
- Villum Foundation
We investigated the influence of the ink properties of proton exchange membrane fuel cell (PEMFC) catalysts on the oxygen reduction reaction (ORR) activity determined in thin film rotating disk electrode (TF-RDE) measurements. It was found that the adaption of a previously reported ink recipe to home-made catalysts does not lead to satisfying results, although reported work could be reproduced using commercial catalyst samples. It is demonstrated that the pH of the catalyst ink, which has not been addressed in previous TF-RDE studies, is an important parameter that needs to be carefully controlled to determine the intrinsic ORR activity of high surface area catalysts. (C) 2017 Elsevier B.V. All rights reserved.
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