Affiliation:
1. School of Chemistry and Materials Science Institute of Advanced Materials and Flexible Electronics (IAMFE) Nanjing University of Information Science and Technology Nanjing 210044 China
2. College of Science Nanjing Forestry University Nanjing 210037 China
3. Centre for Catalysis and Clean Energy Griffith University Gold Coast Campus Queensland 4222 Australia
Abstract
AbstractTo meet the requirements for industrial water splitting to generate hydrogen, it is urgent, but still quite challenging to develop highly active and stable electrocatalysts for large‐current‐density hydrogen evolution reaction (HER). Herein, Ru‐incorporated NiSe2 (Ru‐NiSe2) was designed and synthesized. The introduction of Ru results in the formation of hierarchically structured Ru‐NiSe2 with large electrochemical active surface area, and well‐modified electronic structure. As expected, the as‐fabricated Ru‐NiSe2 displays impressive HER activity in 1.0 M KOH, with a low overpotential of 180.8 mV to reach the current density of 1000 mA cm−2. Ru‐NiSe2 also presents outstanding long‐term stability at high current densities, owing to its high intrinsic chemical stability, and strong catalyst‐support interface. Notably, when performed at a certain current density of 1000 mA cm−2, the overpotential increase after 90 h is only 13 mV. Such excellent HER performance of Ru‐NiSe2 demonstrates its great potential for practical use in industrial water splitting.
Subject
General Chemistry,Catalysis,Organic Chemistry
Cited by
8 articles.
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