Issue 11, 2011
From the journal:

Energy & Environmental Science

Thermal stability and phase transformation of electrochemically charged/discharged LiMnPO4 cathode for Li-ion batteries†

Daiwon Choi,*a   Jie Xiao,a   Young Joon Choi,a   John S. Hardy,a   M. Vijayakumar,a   M. S. Bhuvaneswari,a   Jun Liu,a   Wu Xu,a   Wei Wang,a   Zhenguo Yang,a   Gordon L. Graffa  and  Ji-Guang Zhang*a  

* Corresponding authors

a Pacific Northwest National Laboratory, 902 Battelle Boulevard P. O. Box 999, Richland, WA, USA
E-mail: daiwon.choi@pnl.gov, jiguang.zhang@pnl.gov
Fax: +1 509-375-4448
Tel: +1 509-375-4341

Abstract

Electrochemically active LiMnPO4 nanoplates at lithiated/delithiated state were subjected to thermal stability and phase transformation evaluations for safety as a cathode material for Li-ion batteries. The phase transformation and oxygen evolution temperature of delithiated MnPO4 were characterized using in situ hot-stage X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), thermogravimetric-differential scanning calorimetry-mass spectroscopy (TGA-DSC-MS), transmission electron microscopy and scanning electron microscopy (SEM)-energy dispersive X-ray analysis (EDAX).

Graphical abstract: Thermal stability and phase transformation of electrochemically charged/discharged LiMnPO4 cathode for Li-ion batteries

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Article information

DOI
https://doi.org/10.1039/C1EE01501J
Article type
Paper
Submitted
20 Apr 2011
Accepted
13 Jul 2011
First published
11 Aug 2011

Energy Environ. Sci., 2011,4, 4560-4566

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Thermal stability and phase transformation of electrochemically charged/discharged LiMnPO4 cathode for Li-ion batteries

D. Choi, J. Xiao, Y. J. Choi, J. S. Hardy, M. Vijayakumar, M. S. Bhuvaneswari, J. Liu, W. Xu, W. Wang, Z. Yang, G. L. Graff and J. Zhang, Energy Environ. Sci., 2011, 4, 4560 DOI: 10.1039/C1EE01501J

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