The synergistic effect of Hf-O-Ru bonds and oxygen vacancies in Ru/HfO2 for enhanced hydrogen evolution

Guangkai Li; Haeseong Jang; Shangguo Liu; Zijian Li; Min Gyu Kim; Qing Qin; Xien Liu; Jaephil Cho

doi:10.1038/s41467-022-28947-9

Nature Communications (Mar 2022)

The synergistic effect of Hf-O-Ru bonds and oxygen vacancies in Ru/HfO2 for enhanced hydrogen evolution

Guangkai Li,
Haeseong Jang,
Shangguo Liu,
Zijian Li,
Min Gyu Kim,
Qing Qin,
Xien Liu,
Jaephil Cho

Affiliations

Guangkai Li: College of Chemical Engineering, Qingdao University of Science and Technology
Haeseong Jang: Department of Energy Engineering, Department of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST)
Shangguo Liu: College of Chemical Engineering, Qingdao University of Science and Technology
Zijian Li: Department of Chemistry, City University of Hong Kong
Min Gyu Kim: Beamline Research Division, Pohang Accelerator Laboratory (PAL)
Qing Qin: College of Chemical Engineering, Qingdao University of Science and Technology
Xien Liu: College of Chemical Engineering, Qingdao University of Science and Technology
Jaephil Cho: Department of Energy Engineering, Department of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST)

DOI: https://doi.org/10.1038/s41467-022-28947-9
Journal volume & issue: Vol. 13, no. 1
pp. 1 – 10

Abstract

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Although ruthenium nanomaterials have proven to be effective catalysts for H2 evolution, there is still room for activity improvements. Here, authors develop an efficient Ru/HfO2 electrocatalyst with tuned Ru-O-Hf bonds and oxygen vacancies that shows high activities for alkaline H2 evolution.

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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