The Oxygen Reduction and Hydrogen Evolution Reactions on Carbon Supported Cobalt Diselenide Nanostructures | Zendy

Carlos A. Campos-Roldán | Zendy; Nicolás AlonsoVante | Zendy

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The Oxygen Reduction and Hydrogen Evolution Reactions on Carbon Supported Cobalt Diselenide Nanostructures

Author(s) -

Carlos A. Campos-Roldán,

Nicolás AlonsoVante

Publication year - 2020

Publication title -

journal of the electrochemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.258

H-Index - 271

eISSN - 1945-7111

pISSN - 0013-4651

DOI - 10.1149/1945-7111/ab6316

Subject(s) - diselenide , cobalt , carbon fibers , catalysis , hydrogen , inorganic chemistry , nanostructure , chemistry , oxygen , materials science , oxygen reduction reaction , oxygen evolution , chemical engineering , nanotechnology , electrochemistry , organic chemistry , electrode , selenium , composite number , engineering , composite material

The nanostructured cobalt diselenide (CoSe 2 ) was systematically synthesized onto several chemically modified surface carbon supports. The crystalline structure, morphology and size of synthesized CoSe 2 were similar. Oxygen reduction reaction (ORR) and hydrogen evolution reaction (HER) activities were sensitive to the nature of carbon support in acid and alkaline solutions. Both reaction processes were enhanced by the presence of graphitic domains. The electrocatalytic enhancement using chemically modified carbon as a support for cobalt diselenide is discussed.

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