In-Situ Synthesis of Co-N Supported on Nickel Foam for Efficient Hydrogen Evolution Reaction

被引：0

作者：

Zhang, Xinyu ^{[1
]}

Guo, Baoyu ^{[1
,2
]}

Dong, Bin ^{[1
,2
]}

Chai, Yongming ^{[1
]}

Liu, Chenguang ^{[1
]}

机构：

[1] China Univ Petr East China, State Key Lab Heavy Oil Proc, Qingdao 266580, Shandong, Peoples R China

[2] China Univ Petr East China, Coll Sci, Qingdao 266580, Shandong, Peoples R China

来源：

MATERIALS SCIENCE, ENERGY TECHNOLOGY AND POWER ENGINEERING III (MEP 2019) | 2019年 / 2154卷

基金：

中国国家自然科学基金;

关键词：

Hydrogen evolution reaction; Electrocatalyst; Nitrogen; Electrodeposition; Co-N/NF; ELECTROCATALYSTS;

D O I：

10.1063/1.5125367

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Designing and exploring efficient and stable non-noble catalyst by nanostructure modification and doping of heteroatoms for water splitting is of critical importance for sustainable resource. Herein, amorphous Co-N nitrides nanosheet on the three-dimensional nickel foam (denoted as Co-N/NF 250) is successfully synthesized by the combined with electrodeposition and high temperature nitriding process. The fascinating structural characteristic endows Co-N/NF 250 electrodes better electrochemical performance and only needs low overpotential of 252.1 mV to obtain high current density of 100 mA cm(-2) towards hydrogen evolution reaction (HER). The excellent performance can be attributed to the nitrogen doping changes the electron environment and adsorption energy of hydrogen around cobalt. The impressive results provide a new simple and green route to produce advanced electrode materials for HER.

引用

页数：7

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