Lattice oxygen activation enabled by high-valence metal sites for enhanced water oxidation

Ning Zhang; Xiaobin Feng; Dewei Rao; Xi Deng; Lejuan Cai; Bocheng Qiu; Ran Long; Yujie Xiong; Yang Lu; Yang Chai

doi:10.1038/s41467-020-17934-7

Nature Communications (Aug 2020)

Lattice oxygen activation enabled by high-valence metal sites for enhanced water oxidation

Ning Zhang,
Xiaobin Feng,
Dewei Rao,
Xi Deng,
Lejuan Cai,
Bocheng Qiu,
Ran Long,
Yujie Xiong,
Yang Lu,
Yang Chai

Affiliations

Ning Zhang: Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon
Xiaobin Feng: Department of Mechanical Engineering, City University of Hong Kong, Kowloon
Dewei Rao: School of Materials Science and Engineering, Jiangsu University
Xi Deng: Hefei National Laboratory for Physical Sciences at the Microscale, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), School of Chemistry and Materials Science, National Synchrotron Radiation Laboratory, University of Science and Technology of China
Lejuan Cai: Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon
Bocheng Qiu: Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon
Ran Long: Hefei National Laboratory for Physical Sciences at the Microscale, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), School of Chemistry and Materials Science, National Synchrotron Radiation Laboratory, University of Science and Technology of China
Yujie Xiong: Hefei National Laboratory for Physical Sciences at the Microscale, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), School of Chemistry and Materials Science, National Synchrotron Radiation Laboratory, University of Science and Technology of China
Yang Lu: Department of Mechanical Engineering, City University of Hong Kong, Kowloon
Yang Chai: Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon

DOI: https://doi.org/10.1038/s41467-020-17934-7
Journal volume & issue: Vol. 11, no. 1
pp. 1 – 11

Abstract

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Electrocatalytic water oxidation is facilitated by high valence states, but these are challenging to achieve at low applied potentials. Here, authors report a multicomponent FeCoCrNi alloy with dynamically formed Ni4+ species to offer high catalytic activity via lattice oxygen activation mechanism.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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