纳米花
催化作用
材料科学
氧化物
化学工程
制氢
镍
纳米结构
氢
纳米技术
可再生能源
电极
化学
冶金
物理化学
有机化学
生物化学
电气工程
工程类
作者
Yan Wen,Cun-xin Li,Jie Wang,Yinyin Qian,Feng‐Cui Shen
出处
期刊:ACS applied energy materials
[American Chemical Society]
日期:2022-06-15
卷期号:5 (6): 6814-6822
被引量:8
标识
DOI:10.1021/acsaem.2c00402
摘要
Advances in non-noble-metal electrocatalysts for sustainable hydrogen evolution reactions (HERs) have had a significant impact on the production of renewable clean energy (H2). Benefitting from high-efficiency synthesis methods, a controlled catalyst P-CoMoO4@Ni with a hierarchical structure with different morphologies on the surface of nickel foam (NF) has been synthesized. In particular, the optimized nanoflower oxide array electrode P-CoMoO4@Ni-1 performed as the best catalyst for HER with a large specific surface area and low charge-transfer resistance and was capable of delivering current densities of 100 and 150 mA cm–2 under low overpotentials of 98 and 162 mV, respectively. In addition, this work demonstrated that catalyst arrays adopted by polyoxometalates (POMs) as precursors with uniform nanoflower structures might be able to improve electrocatalytic performance as well as provide fundamental research of catalyst materials with high efficiency at low potentials in HER.
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