4.8 Article

Discovery of Hydrogen Spillover-Based Binary Electrocatalysts for Hydrogen Evolution: From Theory to Experiment

期刊

ACS CATALYSIS
卷 12, 期 19, 页码 11821-11829

出版社

AMER CHEMICAL SOC
DOI: 10.1021/acscatal.2c0259411821

关键词

  hydrogen spillover; hydrogen evolution reaction; electrocatalyst; material screening; density functional theory

资金

  1. National Natural Science Foundation of China [21676216]
  2. Natural Science Foundation of Shaanxi province, China [2019JLP-03, 2019JM-294]
  3. Special Project of Shaanxi Provincial Education Department [20JC034]
  4. Hefei Advanced Computing Center
  5. GHfund B [202202022563]

向作者/读者索取更多资源

This study used density functional theory to screen 11 candidate materials with excellent hydrogen evolution reaction (HER) performance under acidic conditions, successfully synthesizing and verifying Pt1Ir1-MoS2 as an outstanding catalyst. Analysis of these HSBB catalysts revealed the key role of hydrogen spillover in efficient water splitting, paving the way for the discovery of widely applicable materials.
Hydrogen spillover-based binary (HSBB) catalysts have attracted more and more attention in recent years because of their unique reaction mechanism, different from traditional single-component catalysts. In this paper, using density functional theory for the screening of materials, we find 11 candidates with excellent hydrogen evolution reaction (HER) performance under acidic conditions. Among them, Pt1Ir1-MoS2 has been successfully synthesized and verified through experiment to have exhibited the outstanding catalytic performance as predicted. Detailed analysis of these HSBB catalysts reveals the key role of hydrogen spillover toward efficient water splitting, paving the way for the discovery of widely applicable materials and a feedback loop that delivers materials as designed. Greatly increasing the number of known HSBB catalysts, the current study not only demonstrates the accuracy of our screening of materials but also provides a novel paradigm for accelerating the development of materials and reducing costs.

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