Issue 27, 2022

Rational design of 3D net-like carbon based Mn3O4 anode materials with enhanced lithium storage performance

Abstract

An optimized structure design of three-dimensional (3D) net-like carbon based Mn3O4 (Mn3O4/CP) composites was realized based on the theory of explosive nucleation and in situ growth. Mn3O4/CP composites have been successfully prepared on a large scale with filter paper adsorbed with manganese(II) oleate as the raw materials using a facile thermal decomposition route. The obtained Mn3O4/CP composite shows a reversible capacity of 1005 mA h g−1 after 90 cycles at a current density of 100 mA g−1, with a remarkably enhanced rate performance and excellent cycling stability compared to the pure Mn3O4 nanostructure which loses most of its capacity within 10 cycles. Even at a current density of 2000 mA g−1, the specific capacity of the Mn3O4/CP composite was still as high as 486 mA h g−1, which is much higher than that of pure Mn3O4 (38 mA h g−1) and the carbon materials (111 mA h g−1). The enhancement of the electrochemical performance could be attributed to the synergy of Mn3O4 enwrapped with the 3D conductive carbon network, thus making it a promising anode material for large-scale energy storage applications. Moreover, this facile and effective synthetic strategy can be further explored as a universal approach for the rapid synthesis of other transition metal oxides and carbon hybrids with subtle structure engineering.

Graphical abstract: Rational design of 3D net-like carbon based Mn3O4 anode materials with enhanced lithium storage performance

Supplementary files

Article information

Article type
Paper
Submitted
01 Apr 2022
Accepted
03 Jun 2022
First published
09 Jun 2022

New J. Chem., 2022,46, 13220-13227

Rational design of 3D net-like carbon based Mn3O4 anode materials with enhanced lithium storage performance

X. Li, W. Yue, W. Li, J. Zhao, Y. Zhang, Y. Gao, N. Gao, D. Feng, B. Wu and B. Wang, New J. Chem., 2022, 46, 13220 DOI: 10.1039/D2NJ01618D

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