Laser processed Ni-Fe alloys as electrocatalyst toward oxygen evolution reaction

被引：13

作者：

Cui, Xiaodan ^{[1
]}

Zhang, Boliang ^{[1
]}

Zeng, Congyuan ^{[1
]}

Wen, Hao ^{[1
]}

Yao, Hong ^{[1
]}

Guo, S. M. ^{[1
]}

机构：

[1] Louisiana State Univ, Dept Mech & Ind Engn, Baton Rouge, LA 70803 USA

来源：

MATERIALS RESEARCH EXPRESS | 2018年 / 5卷 / 06期

关键词：

laser processing; Ni-Fe alloys; electrocatalyst; oxygen evolution reaction; PHOTOELECTRON-SPECTROSCOPY; CATALYSTS; GRAPHENE; OXIDE; ELECTROREDUCTION; NANOPARTICLES;

D O I：

10.1088/2053-1591/aaca72

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, a laser based manufacturing method is applied to prepare Ni-Fe alloys with varied Ni, Fe ratios as the electrocatalyst toward Oxygen Evolution Reaction (OER). The crystal structures, morphologies, and compositions of the laser processed Ni-Fe alloys are examined by XRD, XPS and SEM prior and after electrochemical testing. The laser processed Ni6Fe4 alloy exhibits an excellent activity with an OER current density of 100 mA cm(-2) at 464mV overpotential in 1M KOH aqueous solution, which is comparable to the performance of electrocatalysts reported to date. The application of laser based manufacturing for electrocatalyst synthesis may facilitate both electrode design and composition optimization, which paves a new way for the efficient development of novel electrocatalyst.

引用

页数：10

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