Nitrogen-Doped Sponge Ni Fibers as Highly Efficient Electrocatalysts for Oxygen Evolution Reaction

Nano-Micro Letters

Guoxiang Pan¹  Qi Liu²  Dong Xie³  Kaili Zhang⁴  Yu Zhong⁴  Jiangping Tu⁴  Shengjue Deng⁴  Xiuli Wang⁴  Xinhui Xia⁵  Jianbo Wu⁶ 

[1] Department of Materials Chemistry, Huzhou University, 313000, Huzhou, People’s Republic of China;Department of Physics, City University of Hong Kong, 999077, Kowloon, Hong Kong;Guangdong Engineering and Technology Research Center for Advanced Nanomaterials, School of Environment and Civil Engineering, Dongguan University of Technology, 523808, Dongguan, People’s Republic of China;State Key Laboratory of Silicon Materials, Key Laboratory of Advanced Materials and Applications for Batteries of Zhejiang Province, Department of Materials Science and Engineering, Zhejiang University, 310027, Hangzhou, People’s Republic of China;State Key Laboratory of Silicon Materials, Key Laboratory of Advanced Materials and Applications for Batteries of Zhejiang Province, Department of Materials Science and Engineering, Zhejiang University, 310027, Hangzhou, People’s Republic of China;Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, 300071, Tianjin, China;Zhejiang Provincial Key Laboratory for Cutting Tools, Taizhou University, 318000, Taizhou, People’s Republic of China;

关键词: Oxygen evolution reaction;    Electrocatalysis;    Nickel;    Sponge Structure;    Electrochemical energy conversion;   

DOI  :  10.1007/s40820-019-0253-5

来源: Springer

【 摘 要 】

tsFreestanding N-doped sponge Ni micro/nanofibers exhibit a porous sponge structure.An N-doping strategy is adopted to optimize the catalytic activity.γ-NiOOH is identified as active phase by XPS and NEXAFS analyses.

【 授权许可】

CC BY