Development of a Multi-Element Copper-Phosphorus-Based Electrode for Efficient Hydrogen Evolution Reaction

被引：0

作者：

Wei, Mingyi ^{[1
]}

Wang, Qingqing ^{[1
]}

Zhang, Wenqing ^{[1
]}

Zhang, Quansheng ^{[1
]}

Xie, Jingying ^{[2
]}

机构：

[1] Shanghai Inst Technol, Coll Chem & Environm Engn, Shanghai 201418, Peoples R China

[2] Shanghai Inst Space Power Sources, Shanghai 200245, Peoples R China

来源：

CHEMISTRYSELECT | 2023年 / 8卷 / 25期

关键词：

anodic dissolution; copper-phosphorus alloy; heterostructure; hydrogen evolution reaction; transition metal phosphides; ANODE MATERIAL; NANOSHEETS; PHOSPHIDE; ELECTROCATALYSTS; ALKALINE;

D O I：

10.1002/slct.202301099

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The development of efficient, abundant, and inexpensive catalytic materials for hydrogen evolution is key to industrial water electrolysis for hydrogen production. In this study, we utilized an anodic dissolution method to form a layer of gray film on the surface of a commercially available copper-phosphorus alloy plate. The composition of the gray film, as verified by characterization, was Ni2P/Ni12P5/Sn4P3/Cu3P@Cu. The heterogeneous interface of Ni2P/Ni12P5 and the amorphous structure of Sn4P3/Cu3P provide more exposed active sites. The effectiveness of the Ni2P/Ni12P5/Sn4P3/Cu3P@Cu as an electrocatalyst for hydrogen evolution was demonstrated, with a corresponding hydrogen evolution overpotential of 73.10 mV and Tafel slope of 45.55 mV dec(-1). Moreover, the outstanding stability of hydrogen evolution reaction (HER) after 1000 cyclic voltammetry (CV) cycles in an alkaline medium infers its favorable electrocatalytic durability.

引用

页数：8

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