Enhancing the Alkaline Hydrogen Evolution Reaction Activity through the Bifunctionality of Ni(OH) 2 /Metal Catalysts | Zendy

Danilovic N. | Zendy; Subbaraman Ram | Zendy; Strmcnik D. | Zendy; Chang KeeChul | Zendy; Paulikas A. P. | Zendy; Stamenkovic V. R. | Zendy; Markovic Nenad M. | Zendy

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Enhancing the Alkaline Hydrogen Evolution Reaction Activity through the Bifunctionality of Ni(OH) 2 /Metal Catalysts

Author(s) -

Danilovic N.,

Subbaraman Ram,

Strmcnik D.,

Chang KeeChul,

Paulikas A. P.,

Stamenkovic V. R.,

Markovic Nenad M.

Publication year - 2012

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201204842

Subject(s) - overpotential , catalysis , nickel , nanoclusters , inorganic chemistry , electrochemistry , metal , copper , hydrogen , oxygen evolution , chemistry , water splitting , materials science , electrode , metallurgy , organic chemistry , photocatalysis

Active in alkaline environment : The activity of nickel, silver, and copper catalysts for the electrochemical transformation of water to molecular hydrogen in alkaline solutions was enhanced by modification of the metal surfaces by Ni(OH) 2 (see picture; I =current density and η =overpotential). The hydrogen evolution reaction rate on a Ni electrode modified by Ni(OH) 2 nanoclusters is about four times higher than on a bare Ni surface.

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