Highly Enhanced Methanol Electrooxidation on Pt/N−CNT‐Decorated FeP ** | Zendy

Liu Dongqin | Zendy; Yang Guangxing | Zendy; Zhang Qiao | Zendy; Wang Hongjuan | Zendy; Yu Hao | Zendy; Peng Feng | Zendy

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Highly Enhanced Methanol Electrooxidation on Pt/N−CNT‐Decorated FeP **

Author(s) -

Liu Dongqin,

Yang Guangxing,

Zhang Qiao,

Wang Hongjuan,

Yu Hao,

Peng Feng

Publication year - 2021

Publication title -

chemelectrochem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 59

ISSN - 2196-0216

DOI - 10.1002/celc.202100314

Subject(s) - methanol , catalysis , materials science , carbon nanotube , anode , x ray photoelectron spectroscopy , nanoparticle , methanol fuel , kinetics , chemical engineering , inorganic chemistry , nanotechnology , chemistry , electrode , organic chemistry , physics , quantum mechanics , engineering

The electrooxidation of methanol – the anodic reaction of direct methanol fuel cells – suffers from slow kinetics. Here, we report an enhanced current density for a Pt catalyst supported on nitrogen‐doped carbon nanotube (N−CNT) decorated FeP. X‐ray photoelectron spectra show that the introduction of FeP increases the binding energy of the Pt nanoparticles. The results show that Pt/FeP 15% /N−CNT displays a 3.4 times higher forward peak current density compared to commercial Pt/C. The improved performance is attributed to a change in the electronic state of the Pt nanoparticles through the electronic interaction between Pt and FeP, evidenced by the mitigated CO poisoning.

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