Mesoporous Spinel Nanofibers and Nitrogen‐doped Carbon Nanotubes as High‐Performance Electrocatalyst for Oxygen Reduction in Alkaline and Neutral Media | Zendy

Wang Haijun | Zendy; Wang Juan | Zendy; Zhong Qin | Zendy; Zhang Guangyao | Zendy; Bu Yunfei | Zendy

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Mesoporous Spinel Nanofibers and Nitrogen‐doped Carbon Nanotubes as High‐Performance Electrocatalyst for Oxygen Reduction in Alkaline and Neutral Media

Author(s) -

Wang Haijun,

Wang Juan,

Zhong Qin,

Zhang Guangyao,

Bu Yunfei

Publication year - 2017

Publication title -

energy technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.91

H-Index - 44

eISSN - 2194-4296

pISSN - 2194-4288

DOI - 10.1002/ente.201600269

Subject(s) - electrocatalyst , materials science , mesoporous material , carbon nanotube , nanofiber , chemical engineering , spinel , catalysis , electrospinning , carbon nanofiber , carbon fibers , inorganic chemistry , nanotechnology , composite number , electrochemistry , electrode , composite material , chemistry , polymer , organic chemistry , metallurgy , engineering

A mesoporous spinel nanofibers consisting of mixed transition‐metal oxides (Mn 0.6 Cu 0.4 Co 2 O 4 ; MCCO) were synthesized using a facile electrospinning technique followed by a thermal treatment process. The porous structure results in a high surface area of the MCCO nanofibers, which plays a beneficial role in improving the electrocatalytic properties. By adding nitrogen‐doped carbon nanotubes (N‐CNT), a composite electrocatalyst MCCO/N‐CNT was fabricated. The ORR performances were evaluated in alkaline and neutral media. The results suggest that MCCO/N‐CNT hybrid can be used as a promising ORR catalyst for fuel‐cell applications.

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