Issue 16, 2017

MnOOH nanorods as high-performance anodes for sodium ion batteries

Abstract

MnOOH nanorods, which were prepared using a hydrothermal method, have been used for the first time as anode materials for sodium ion batteries. The as-prepared MnOOH nanorods with lengths of 1.2–3.7 μm and diameters of 60–90 nm delivered high performance of reversible electrochemical Na/Na+ storage such as an initial discharge capacity of 485.5 mA h g−1 at 80 mA g−1, a high initial Coulombic efficiency of 86.7% and a low average potential polarization of 0.36 V. Instrumental analyses with ex situ XRD, TEM and XPS show that the sodium storage mechanism in MnOOH can be related to the reversible formation of MnO and NaOH. This work demonstrates that cheap MnOOH nanorods are potential anode materials for SIBs.

Graphical abstract: MnOOH nanorods as high-performance anodes for sodium ion batteries

Supplementary files

Article information

Article type
Communication
Submitted
05 Jan 2017
Accepted
02 Feb 2017
First published
02 Feb 2017

Chem. Commun., 2017,53, 2435-2438

MnOOH nanorods as high-performance anodes for sodium ion batteries

L. Shao, Q. Zhao and J. Chen, Chem. Commun., 2017, 53, 2435 DOI: 10.1039/C7CC00087A

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