Coupling surfactant-free Ru nanoclusters with defect carbon for efficient pH-universal hydrogen evolution

Guanqing Ding; Shushu Chu; Dalei Lin; Ruxue He; Yuanyuan Jiang; Yizhong Lu

Catalysis Communications (Feb 2022)

Coupling surfactant-free Ru nanoclusters with defect carbon for efficient pH-universal hydrogen evolution

Guanqing Ding,
Shushu Chu,
Dalei Lin,
Ruxue He,
Yuanyuan Jiang,
Yizhong Lu

Affiliations

Guanqing Ding: School of Materials Science and Engineering, University of Jinan, Jinan 250022, China
Shushu Chu: School of Materials Science and Engineering, University of Jinan, Jinan 250022, China
Dalei Lin: School of Materials Science and Engineering, University of Jinan, Jinan 250022, China
Ruxue He: School of Materials Science and Engineering, University of Jinan, Jinan 250022, China
Yuanyuan Jiang: Corresponding authors.; School of Materials Science and Engineering, University of Jinan, Jinan 250022, China
Yizhong Lu: Corresponding authors.; School of Materials Science and Engineering, University of Jinan, Jinan 250022, China

Journal volume & issue: Vol. 162
p. 106401

Abstract

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A novel strategy was adopted to fabricate pH-universal Ru-based electrocatalysts. Due to the synergistic effect of the ultra-small size of Ru nanoclusters and defective CNTs with oxygen-containing groups, the Ru nanoclusters directly grown on defective carbon (O-Ru NCs/CNTs) catalysts exhibited superior hydrogen evolution activity in the whole pH window. An overpotential of only 37, 13, and 50 mV was needed to reach 10 mA cm−2 in 0.5 M H2SO4, 1.0 M KOH and 1.0 M PBS, respectively. Moreover, this catalyst has shown higher stability. This work is important for the potential application of Ru-based electrocatalysts for hydrogen production.

Published in Catalysis Communications

ISSN: 1566-7367 (Print); 1873-3905 (Online)
Publisher: Elsevier
Country of publisher: Netherlands
LCC subjects: Science: Chemistry
Website: https://www.journals.elsevier.com/catalysis-communications

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