电沉积制备多孔Ni–Fe–Sn合金电极及其析氧性能

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高莹^1,2*，吴艺辉¹，周连科²，马春生²

1. 中南大学粉末冶金国家重点实验室，湖南长沙 410083 2. 北京中材人工晶体研究院有限公司，北京 100018

收稿日期:2018-05-28修回日期:2018-06-26出版日期:2019-02-22发布日期:2019-02-12
通讯作者:高莹

Preparation of porous Ni-Fe-Sn electrode by electrodeposition and its electrocatalytic behavior of oxygen evolution

Ying GAO^1,2*, Yihui WU¹, Lianke ZHOU¹, Chunsheng MA¹

1. State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan 410083, China2. Beijing Sinoma Synthetic Crystals Co., Ltd., Beijing 100018, China

Received:2018-05-28Revised:2018-06-26Online:2019-02-22Published:2019-02-12
Contact:Ying Gao

摘要/Abstract

摘要： 采用直流电沉积法在铜箔表面合成了多孔结构的Ni–Fe–Sn合金，用扫描电子显微镜、X射线能谱仪和X射线衍射仪对合金的微观组织形貌和相态进行了表征，用电化学工作站测试了合金电极在碱性环境中的析氧性能。结果表明，Ni–Fe–Sn合金电极主要由Ni3Sn2和FeNi3相组成，电极表面形成了多孔结构。在30wt% KOH溶液中，Ni–Fe–Sn合金的析氧过电位仅为261 mV(电流密度10 mA/cm2)，Tafel斜率为69.9 mV/dec。电极在10 mA/cm2电流密度下能稳定工作12 h以上，具有良好的电化学稳定性。

引用本文

高莹吴艺辉周连科马春生. 电沉积制备多孔Ni–Fe–Sn合金电极及其析氧性能[J]. 过程工程学报, 2019, 19(1): 159-164.
Ying GAO Yihui WU Lianke ZHOU Chunsheng MA. Preparation of porous Ni-Fe-Sn electrode by electrodeposition and its electrocatalytic behavior of oxygen evolution[J]. Chin. J. Process Eng., 2019, 19(1): 159-164.

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