期刊
CHEMSUSCHEM
卷 13, 期 7, 页码 1751-1758出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201903403
关键词
carbon materials; fuel cells; metal-support interaction; oxygen reduction reaction; platinum
资金
- Technology Development Program to Solve Climate Changes through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT [2018-M1A2A2063861]
- GIST Research Institute(GRI) - GIST
- Ministry of Science, ICT & Future Planning, Republic of Korea [GIST-08] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
An N-doped carbon with various N concentrations was prepared by using a scalable ball-milling method. The importance of the lone pair of electrons on the N species for the stability of Pt nanoparticles and their activity toward the oxygen reduction reaction was investigated. X-ray spectroscopic analysis was used to investigate the interaction between Pt and the pyridinic N. The pyridinic N modified the Pt oxidation state and helped achieve size homogeneity and high catalytic activity by facilitating the rate-determining step.
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