Sulfur-doped CoFe (oxy)hydroxides synthesized by room-temperature activation for efficient oxygen evolution

被引：8

作者：

Chen, Junxue ^{[1
,2
]}

Li, Sijia ^{[1
,2
]}

Li, Zhonglin ^{[1
,2
]}

He, Guixiang ^{[1
,3
]}

Li, Yibing ^{[1
,2
]}

机构：

[1] Guilin Univ Technol, Dept Mat Sci & Engn, Guilin 541000, Peoples R China

[2] Guilin Univ Technol, Key Lab New Proc Technol Nonferrous Met & Mat, Minist Educ, Guilin 541000, Peoples R China

[3] Guilin Univ Technol, Dept Met & Resources Engn, Nanning Campus, Nanning 530000, Peoples R China

来源：

MATERIALS LETTERS | 2022年 / 324卷

关键词：

Sulfur-doped; Activation; Amorphous materials; Oxygen evolution reaction; Energy storage and conversion;

D O I：

10.1016/j.matlet.2022.132641

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A facile room-temperature activation procedure was used to realize the synthesis of S-doped CoFe (oxy)hydroxide nanosheets. This activation method effectively increases the active surface area and ensures that more active sites are exposed. In addition, S is simultaneously introduced on the surface and in the interior of the CoFe (oxy)hydroxides during the synthesis, which may tune the electronic structure of active metal sites and optimize the absorption energy of the oxygen evolution reaction (OER) intermediates, thus improving the OER activity. Impressively, the S-doped electrode displays superior OER activity in 1.0 M KOH with an overpotential of 270 mV at 10 mA cm-2 and remarkable durability over 100 h.

引用

页数：4

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