A Critical Review of Spinel Structured Iron Cobalt Oxides Based Materials for Electrochemical Energy Storage and Conversion

Hongyan Gao, Shuai Liu, Yafei Li, Eric Conte and Yan Cao
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Hongyan Gao: Department of Chemistry, Western Kentucky University, Bowling Green, KY 42101, USA
Shuai Liu: College of Chemistry & Chemical Engineering, Anhui University, Hefei 230601, China
Yafei Li: College of Chemistry & Chemical Engineering, Anhui University, Hefei 230601, China
Eric Conte: Department of Chemistry, Western Kentucky University, Bowling Green, KY 42101, USA
Yan Cao: Department of Chemistry, Western Kentucky University, Bowling Green, KY 42101, USA

Energies, 2017, vol. 10, issue 11, 1-21

Abstract: Iron cobalt oxides, such as typical FeCo 2 O 4 and CoFe 2 O 4 , are two spinel structured transitional metal oxide materials with excellent electrochemical performance. As the electrodes, they have been widely applied in the current energy storage and conversion processes such as supercapacitors, Lithium-ion batteries and fuel cells. Based on synthesis approaches and controlled conditions, these two materials exhibited broad morphologies and nanostructures and thus distinct electrochemical performance. Some of them have shown promising applications as electrodes in energy storage and conversion. The incorporation with other materials to form composites further improved their performance. This review briefly summarized the recent applications of FeCo 2 O 4 and CoFe 2 O 4 in energy storage and conversion, current understandings on mechanisms and especially the relevance of morphologies and structures and composites to electrochemical performance. Some recommendations were finally put forward addressing current issues and future prospects on electrodes of FeCo 2 O 4 and CoFe 2 O 4 based materials in energy storage and conversion, implying there was still space to further optimize their performance.

Keywords: spinel iron cobalt oxides; composites; nanostructure and nanoengineering; electrochemistry; energy storage and conversion. (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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