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Published in: Journal of Materials Science: Materials in Electronics 17/2019

08-08-2019

Facile preparation of porous erythrocyte-like CuCo2O4 as active material of lithium ion batteries anode

Authors: Hongmei Xu, Xiaolan Song, Ying Zhang, Zhenzhen Qin, Ting Ma, Hui Wang

Published in: Journal of Materials Science: Materials in Electronics | Issue 17/2019

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Abstract

The porous erythrocyte-like CuCo2O4 was first prepared in this work by a convenient solvothermal post-calcination method used polyvinylpyrrolidone (PVP) as structure-directing agent and ethanol as solvent. When used as anode active materials of Li-ion batteries (LIBs), that 973 Ah/kg of reversible capacity and above 98% of coulombic efficiencies were made by the porous erythrocyte-like CuCo2O4 at 0.5 A/g of current density over 300 times. And cycling at 0.1 A/g of current density the starting specific discharge and charge capacities were 1428 and 1052 Ah/kg higher than theoretical capacity. Excellent cycling performance kept 96% of the reversible capacity retention. The superior rate performances were made at 0.1, 0.2, 0.5, 1, 2 and 0.1 A/g of current densities for 15 times. These exceptional electrochemical performances are all related to its particular compacted morphology and mesoporous spinel structure.

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Metadata
Title
Facile preparation of porous erythrocyte-like CuCo2O4 as active material of lithium ion batteries anode
Authors
Hongmei Xu
Xiaolan Song
Ying Zhang
Zhenzhen Qin
Ting Ma
Hui Wang
Publication date
08-08-2019
Publisher
Springer US
Published in
Journal of Materials Science: Materials in Electronics / Issue 17/2019
Print ISSN: 0957-4522
Electronic ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-019-02001-9

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