Issue 44, 2017

Controlled synthesis of hollow octahedral ZnCo2O4 nanocages assembled from ultrathin 2D nanosheets for enhanced lithium storage

Abstract

Hollow octahedral ZnCo2O4 nanocages assembled from ultrathin 2D nanosheets are prepared through facile fast simultaneous coordinating etching and thermal processes. Electrochemical results show that the hollow octahedral ZnCo2O4 nanocage is an outstanding anode material for LIBs with a high reversible discharge capacity of 1025 mA h g−1 at 500 mA g−1 after 200 cycles, and an outstanding rate capability of 525 mA h g−1 at 4 A g−1. Moreover, this simple, low cost and fast process could be useful for the construction of many other hollow advanced materials for supercapacitors, sensors and other novel energy and environmental applications.

Graphical abstract: Controlled synthesis of hollow octahedral ZnCo2O4 nanocages assembled from ultrathin 2D nanosheets for enhanced lithium storage

Supplementary files

Article information

Article type
Communication
Submitted
22 Aug 2017
Accepted
13 Oct 2017
First published
13 Oct 2017

Nanoscale, 2017,9, 17174-17180

Controlled synthesis of hollow octahedral ZnCo2O4 nanocages assembled from ultrathin 2D nanosheets for enhanced lithium storage

B. Liu, H. Liu, M. Liang, L. Liu, Z. Lv, H. Zhou and H. Guo, Nanoscale, 2017, 9, 17174 DOI: 10.1039/C7NR06259A

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