Atomically isolated nickel species anchored on graphitized carbon for efficient hydrogen evolution electrocatalysis

Lili Fan, Peng Fei Liu, Xuecheng Yan, Lin Gu, Zhen Zhong Yang, Hua Gui Yang (), Shilun Qiu () and Xiangdong Yao ()
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Lili Fan: School of Natural Sciences, Queensland Micro- and Nanotechnology Centre, Griffith University
Peng Fei Liu: Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology
Xuecheng Yan: School of Natural Sciences, Queensland Micro- and Nanotechnology Centre, Griffith University
Lin Gu: Institute of Physics, Beijing National Laboratory for Condensed Matter Physics, Chinese Academy of Sciences
Zhen Zhong Yang: Institute of Physics, Beijing National Laboratory for Condensed Matter Physics, Chinese Academy of Sciences
Hua Gui Yang: Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology
Shilun Qiu: State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University
Xiangdong Yao: School of Natural Sciences, Queensland Micro- and Nanotechnology Centre, Griffith University

Nature Communications, 2016, vol. 7, issue 1, 1-7

Abstract: Abstract Hydrogen production through electrochemical process is at the heart of key renewable energy technologies including water splitting and hydrogen fuel cells. Despite tremendous efforts, exploring cheap, efficient and durable electrocatalysts for hydrogen evolution still remains as a great challenge. Here we synthesize a nickel–carbon-based catalyst, from carbonization of metal-organic frameworks, to replace currently best-known platinum-based materials for electrocatalytic hydrogen evolution. This nickel-carbon-based catalyst can be activated to obtain isolated nickel atoms on the graphitic carbon support when applying electrochemical potential, exhibiting highly efficient hydrogen evolution performance with high exchange current density of 1.2 mA cm−2 and impressive durability. This work may enable new opportunities for designing and tuning properties of electrocatalysts at atomic scale for large-scale water electrolysis.

Date: 2016
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DOI: 10.1038/ncomms10667

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