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Issue 46, 2015
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Porous nanoarchitectures of spinel-type transition metal oxides for electrochemical energy storage systems

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Abstract

Transition metal oxides possessing two kinds of metals (denoted as AxB3−xO4, which is generally defined as a spinel structure; A, B = Co, Ni, Zn, Mn, Fe, etc.), with stoichiometric or even non-stoichiometric compositions, have recently attracted great interest in electrochemical energy storage systems (ESSs). The spinel-type transition metal oxides exhibit outstanding electrochemical activity and stability, and thus, they can play a key role in realising cost-effective and environmentally friendly ESSs. Moreover, porous nanoarchitectures can offer a large number of electrochemically active sites and, at the same time, facilitate transport of charge carriers (electrons and ions) during energy storage reactions. In the design of spinel-type transition metal oxides for energy storage applications, therefore, nanostructural engineering is one of the most essential approaches to achieving high electrochemical performance in ESSs. In this perspective, we introduce spinel-type transition metal oxides with various transition metals and present recent research advances in material design of spinel-type transition metal oxides with tunable architectures (shape, porosity, and size) and compositions on the micro- and nano-scale. Furthermore, their technological applications as electrode materials for next-generation ESSs, including metal–air batteries, lithium-ion batteries, and supercapacitors, are discussed.

Graphical abstract: Porous nanoarchitectures of spinel-type transition metal oxides for electrochemical energy storage systems

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Article information


Submitted
03 Oct 2015
Accepted
27 Oct 2015
First published
09 Nov 2015

Phys. Chem. Chem. Phys., 2015,17, 30963-30977
Article type
Perspective
Author version available

Porous nanoarchitectures of spinel-type transition metal oxides for electrochemical energy storage systems

M. Park, J. Kim, K. J. Kim, J. Lee, J. H. Kim and Y. Yamauchi, Phys. Chem. Chem. Phys., 2015, 17, 30963
DOI: 10.1039/C5CP05936D

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