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Scalable Fabrication of Nanoporous Carbon Fiber Films as Bifunctional Catalytic Electrodes for Flexible Zn‐Air Batteries
Author(s) -
Liu Qin,
Wang Yaobing,
Dai Liming,
Yao Jiannian
Publication year - 2016
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201506112
Subject(s) - materials science , bifunctional , nanoporous , fabrication , polyimide , electrode , pyrolysis , nanotechnology , carbon fibers , fiber , oxygen evolution , chemical engineering , catalysis , composite material , electrochemistry , composite number , layer (electronics) , organic chemistry , medicine , chemistry , alternative medicine , pathology , engineering
A flexible nanoporous carbon‐fiber film for wearable electronics is prepared by a facile and scalable method through pyrolysis of electrospun polyimide. It exhibits excellent bifunctional electrocatalytic activities for oxygen reduction and oxygen evolution. Flexible rechargeable zinc–air batteries based on the carbon‐fiber film show high round‐trip efficiency and mechanical stability.