pH matters: The influence of the catalyst ink on the oxygen reduction activity determined in thin film rotating disk electrode measurements

Masanori Inaba; Jonathan Quinson; Matthias Arenz

doi:10.1016/j.jpowsour.2017.03.140

pH matters: The influence of the catalyst ink on the oxygen reduction activity determined in thin film rotating disk electrode measurements

Masanori Inaba, Jonathan Quinson, Matthias Arenz^*

^*Corresponding author af dette arbejde

Kemisk Institut

25 Citationer (Scopus)

Abstract

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

Originalsprog	Engelsk
Tidsskrift	Journal of Power Sources
Vol/bind	353
Sider (fra-til)	19-27
Antal sider	9
ISSN	0378-7753
DOI	https://doi.org/10.1016/j.jpowsour.2017.03.140
Status	Udgivet - 2017

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10.1016/j.jpowsour.2017.03.140

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@article{175c3d43d71c4139b415f5e693cd9636,

title = "pH matters: The influence of the catalyst ink on the oxygen reduction activity determined in thin film rotating disk electrode measurements",

abstract = "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.",

keywords = "Carbon supported catalyst, Catalyst ink, Oxygen reduction reaction, Platinum, Rotating disc electrode",

author = "Masanori Inaba and Jonathan Quinson and Matthias Arenz",

year = "2017",

doi = "10.1016/j.jpowsour.2017.03.140",

language = "English",

volume = "353",

pages = "19--27",

journal = "Journal of Power Sources",

issn = "0378-7753",

publisher = "Elsevier",

}

TY - JOUR

T1 - pH matters

T2 - The influence of the catalyst ink on the oxygen reduction activity determined in thin film rotating disk electrode measurements

AU - Inaba, Masanori

AU - Quinson, Jonathan

AU - Arenz, Matthias

PY - 2017

Y1 - 2017

N2 - 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.

AB - 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.

KW - Carbon supported catalyst

KW - Catalyst ink

KW - Oxygen reduction reaction

KW - Platinum

KW - Rotating disc electrode

U2 - 10.1016/j.jpowsour.2017.03.140

DO - 10.1016/j.jpowsour.2017.03.140

M3 - Journal article

AN - SCOPUS:85017103577

SN - 0378-7753

VL - 353

SP - 19

EP - 27

JO - Journal of Power Sources

JF - Journal of Power Sources

ER -

pH matters: The influence of the catalyst ink on the oxygen reduction activity determined in thin film rotating disk electrode measurements

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