过电位
氢氧化物
材料科学
电极
镍
基质(水族馆)
化学工程
催化作用
析氧
化学
冶金
电化学
有机化学
物理化学
工程类
地质学
海洋学
作者
Zhichao Li,Xuyun Wang,Jianwei Ren,Hui Wang
标识
DOI:10.1016/j.ijhydene.2021.11.048
摘要
In this work, NiFe LDH/Ti3C2Tx/Nickel foam (NF) was successfully prepared as a binder-free electrode by depositing NiFe layered double hydroxide (LDH) nanosheets on Ti3C2Tx/NF substrate through electrodeposition approach. The strong electrostatic interactions between the negatively charged surface of MXene and positively charged NF substrate enabled the direct growth of NiFe LDH nanosheets on Ti3C2Tx/NF substrate. As a result, the as-prepared NiFe LDH/Ti3C2Tx/NF electrode exhibited an excellent OER performance, fast catalytic reaction kinetics and good chemical stability. Its overpotential reached 200 mV at a current density of 10 mA cm−2, and the cycling tests suggested a good cycling stability.
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