Energy Storage Science and Technology ›› 2017, Vol. 6 ›› Issue (5): 904-923.doi: 10.12028/j.issn.2095-4239.2017.00959

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Spinel-type transition metal oxide electrocatalysts for metal-air batteries

CHEN Xiang, LEI Kaixiang, SUN Hongming, CHENG Fangyi, CHEN Jun   

  1. Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Collaborative Innovation Center of Chemical Science and Engineering, College of Chemistry, Nankai University, Tianjin 300071, China
  • Received:2017-06-07 Revised:2017-07-29 Online:2017-09-01 Published:2017-09-01

Abstract:  Metal air batteries are attractive devices for electrochemical energy storage and conversion because of high energy density. The slow kinetics of the cathodic electrochemical oxygen reduction/evolution is a key factor limiting the performance of metal air batteries, necessitating the use of active catalyst. In this review, we briefly introduce the structure and mechanism of prevailing metal-air batteries and summarize recent progress in applying spinel-type transition metal oxides as cathode catalysts to build metal-air battery.

Key words: spinel, electrocatalyst, oxygen reduction, oxygen evolution, metal air battery