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Active Salt/Silica‐Templated 2D Mesoporous FeCo‐N x ‐Carbon as Bifunctional Oxygen Electrodes for Zinc–Air Batteries
Author(s) -
Li Shuang,
Cheng Chong,
Zhao Xiaojia,
Schmidt Johannes,
Thomas Arne
Publication year - 2018
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201710852
Subject(s) - bifunctional , microporous material , oxygen evolution , materials science , battery (electricity) , carbon fibers , zinc , mesoporous material , heteroatom , catalysis , chemical engineering , electrode , oxygen , nanotechnology , inorganic chemistry , nanoparticle , electrocatalyst , metal , salt (chemistry) , chemistry , electrochemistry , organic chemistry , metallurgy , ring (chemistry) , composite number , power (physics) , physics , quantum mechanics , engineering , composite material
Two types of templates, an active metal salt and silica nanoparticles, are used concurrently to achieve the facile synthesis of hierarchical meso/microporous FeCo‐N x ‐carbon nanosheets (meso/micro‐FeCo‐N x ‐CN) with highly dispersed metal sites. The resulting meso/micro‐FeCo‐N x ‐CN shows high and reversible oxygen electrocatalytic performances for both ORR and OER, thus having potential for applications in rechargeable Zn–air battery. Our approach creates a new pathway to fabricate 2D meso/microporous structured carbon architectures for bifunctional oxygen electrodes in rechargeable Zn–air battery as well as opens avenues to the scale‐up production of rationally designed heteroatom‐doped catalytic materials for a broad range of applications.