DataVXAdvanced Energy MaterialsPaper
journal article·2023-04

Development of a Novel Pt3V Alloy Electrocatalyst for Highly Efficient and Durable Industrial Hydrogen Evolution Reaction in Acid Environment

Yumin Da, Rui Jiang, Zhangliu Tian, Ganwen Chen, Yukun Xiao, Jinfeng Zhang, Shibo Xi, Yida Deng, Wei Chen, Xiaopeng Han, Wenbin Hu

Advanced Energy Materials· Volume 13· Issue 16
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Source abstract

Abstract

Abstract Alloying platinum with early transition metals is a promising approach to optimize the adsorption behaviors of catalysts. Nevertheless, the large negative redox potential between early transition metals and Pt hinders the fabrication of such alloys. Herein, a strategy combining the thermal shock technique with electrochemical activation to prepare Pt3V alloy as a hydrogen evolution reaction catalyst is reported for the first time. Electrochemical tests show that the as‐prepared catalyst exhibits exceptional catalytic activity and durability in 0.5 m H2SO4, surpassing the state‐of‐the‐art 20 wt.% Pt/C. The catalyst can maintain its activity after 100 h tests without evident decay under the current density of 500 mA cm−2. Theoretical calculations demonstrate that the optimized hydrogen absorption and high vacancy formation energy of Pt3V contributes to the enhanced electrocatalytic activity and stability. This work may spur future research for other Pt‐based early transition metal alloy catalysts for electrocatalysis.
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Research context

Metals & alloysCatalysis & surfaces

OpenAlex topics: Electrocatalysts for Energy Conversion · Electrochemical Analysis and Applications · Advanced battery technologies research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Joint School of National University of Singapore and Tianjin University International Campus of Tianjin University, Binhai New City Fuzhou 350207 P. R. China

Department of Chemistry National University of Singapore Singapore 117551 Singapore

School of Materials Science and Engineering Tianjin Key Laboratory of Composite and Functional Materials and Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education Tianjin University Tianjin 300072 P. R. China

Institute of Sustainability for Chemicals Energy and Environment A*STAR 1 Pesek Road Singapore 627833 Singapore

State Key Laboratory of Marine Resource Utilization in South China Sea School of Materials Science and Engineering Hainan University Haikou 570228 P. R. China

Centre for Hydrogen Innovations National University of Singapore (Singapore) E8, 1 Engineering Drive 3 Singapore 117580 Singapore

Haihe Laboratory of Sustainable Chemical Transformations Tianjin 300192 P. R. China

Funding

National Natural Science Foundation of China

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