Carbon fiber supported Pt-Co electrocatalyst for coal electrolysis for hydrogen production

Ping Yu, Ren Peng, Hao Jiang, Rong Zhang, Junchao Ma, Jin Z. Zhang, Gerardine G. Botte

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

Carbon fibers (CFs) supported platinum-cobalt (Pt-Co) electrocatalysts are prepared with H2 heat-treatment and used for hydrogen production by coal electrooxidation. Pt-Co alloy was formed and characterized by X-ray Diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and transmission electron microscopy (TEM). The results show that the electrocatalystic activity and long-time stability of Pt-Co/CFs for coal electrolysis are enhanced with the introduction of cobalt. The PtCo/CFs (1:1) catalyst exhibits better catalytic activity than PtCo/CFs (7:3) and PtCo/CFs (3:7). The strong catalytic activities of the catalysts are attributed to synergistic effect between metallic alloying and modification of surface electrons of the bimetallic Pt-Co electrocatalysts.

Original languageEnglish
Pages (from-to)E395-E400
JournalJournal of the Electrochemical Society
Volume166
Issue number13
DOIs
StatePublished - 2019

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