Phase engineering of dual active 2D Bi2O3-based nanocatalysts for alkaline hydrogen evolution reaction electrocatalysis

Author:

Wu Ziyang1ORCID,Mei Jun23ORCID,Liu Qiong1,Wang Sen1,Li Wei2ORCID,Xing Shihui1,Bai Juan2,Yang Jianping4ORCID,Luo Wei4ORCID,Guselnikova Olga5ORCID,O'Mullane Anthony P.23ORCID,Gu Yuantong13ORCID,Yamauchi Yusuke56ORCID,Liao Ting13,Sun Ziqi23

Affiliation:

1. School of Mechanical, Medical and Process Engineering, Queensland University of Technology, 2 George Street, Brisbane, Queensland 4000, Australia

2. School of Chemistry and Physics, Queensland University of Technology, 2 George Street, Brisbane, QLD 4000, Australia

3. Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, Queensland 4000, Australia

4. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai, 201620, P. R. China

5. JST-ERATO Yamauchi Materials Space-Tectonics Project, International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan

6. Australian Institute for Bioengineering and Nanotechnology (AIBN), School of Chemical Engineering, The University of Queensland, St Lucia, QLD, 4072, Australia

Abstract

In situ fabricated Bi2O3 nanosheets with both α-Bi2O3 and BixNi alloy phases, simultaneously contributing to the water dissociation step and the hydrogen formation step, demonstrate high HER electrocatalytic activity in alkaline media.

Funder

Australian Research Council

Science and Technology Commission of Shanghai Municipality

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,General Chemistry

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