A Reliable Aerosol‐Spray‐Assisted Approach to Produce and Optimize Amorphous Metal Oxide Catalysts for Electrochemical Water Splitting | Zendy

Kuai Long | Zendy; Geng Jing | Zendy; Chen Changyu | Zendy; Kan Erjie | Zendy; Liu Yadong | Zendy; Wang Qing | Zendy; Geng Baoyou | Zendy

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A Reliable Aerosol‐Spray‐Assisted Approach to Produce and Optimize Amorphous Metal Oxide Catalysts for Electrochemical Water Splitting

Author(s) -

Kuai Long,

Geng Jing,

Chen Changyu,

Kan Erjie,

Liu Yadong,

Wang Qing,

Geng Baoyou

Publication year - 2014

Publication title -

angewandte chemie

Language(s) - English

Resource type - Journals

eISSN - 1521-3757

pISSN - 0044-8249

DOI - 10.1002/ange.201404208

Subject(s) - tafel equation , overpotential , amorphous solid , catalysis , oxide , electrochemistry , materials science , chemical engineering , amorphous metal , oxygen evolution , metal , water splitting , nanotechnology , inorganic chemistry , chemistry , metallurgy , electrode , photocatalysis , organic chemistry , engineering

An aerosol‐spray‐assisted approach (ASAA) is proposed and confirmed as a precisely controllable and continuous method to fabricate amorphous mixed metal oxides for electrochemical water splitting. The proportion of metal elements can be accurately controlled to within (5±5) %. The products can be sustainably obtained, which is highly suitable for industrial applications. ASAA was used to show that Fe 6 Ni 10 O x is the best catalyst among the investigated Fe‐Ni‐O x series with an overpotential of as low as 0.286 V (10 mA cm −2 ) and a Tafel slope of 48 mV/decade for the electrochemical oxygen evolution reaction. Therefore, this work contributes a versatile, continuous, and reliable way to produce and optimize amorphous metal oxide catalysts.

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