Insights into the potential dependence of the borohydride electrooxidation reaction mechanism on platinum nanoparticles supported on ordered carbon nanomaterials
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- 作者：Pierre-Yves Olua ; b ; c ; pierre-yves.olu@grenoble-inp.org" class="auth_mail" title="E-mail the corresponding author ; Antoine Bonnefontd ; bonnefont@unistra.fr" class="auth_mail" title="E-mail the corresponding author ; Marlè ; ne Rouhete ; Sé ; bastien Bozdeche ; Nathalie Jobc ; Marian Chateneta ; b ; f ; marian.chatenet@grenoble-inp.fr" class="auth_mail" title="E-mail the corresponding author ; Elena Savinovae
- 关键词：Vertically-aligned carbon nanofilaments (VACNF) ; Platinum nanoparticles ; Borohydride oxidation reaction (BOR) ; Direct borohydride fuel cell (DBFC)
- 刊名：Electrochimica Acta
- 出版年：2015
- 出版时间：10 October 2015
- 年：2015
- 卷：179
- 期：Complete
- 页码：637-646
- 全文大小：1903 K
文摘
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Pt/VACNF active layers of different Pt site densities were prepared.
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Their activity towards borohydride oxidation reaction was characterized.
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The low-potential activity depends on the Pt site density, due to BHx,ad poisoning.
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OHad in PtOx region remove the poisoning (Langmuir-Hinshelwood stripping of BHx,ad).
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The whole reaction mechanism was modelled using a mean-field microkinetics model.