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Issue 16, 2015
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Enhanced electrochemical performance and thermal stability of LiNi0.5Mn1.5O4 using an electrolyte with sulfolane

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Abstract

A sulfide-based SEI layer was formed on the surface of a LiNi0.5Mn1.5O4 cathode by using a sulfolane–carbonate mixed solvent electrolyte, which led to an improvement in the electrochemical performance. Moreover, the thermal stability of the LiNi0.5Mn1.5O4 cathode was also significantly improved in the presence of the SEI layer. ARC (Accelerating Rate Calorimetry) tests showed that the self-heating rate of the delithiated LiNi0.5Mn1.5O4 material in the sulfolane–carbonate electrolyte was suppressed.

Graphical abstract: Enhanced electrochemical performance and thermal stability of LiNi0.5Mn1.5O4 using an electrolyte with sulfolane

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Supplementary files

Article information


Submitted
08 Feb 2015
Accepted
25 Mar 2015
First published
25 Mar 2015

Phys. Chem. Chem. Phys., 2015,17, 10353-10357
Article type
Communication
Author version available

Enhanced electrochemical performance and thermal stability of LiNi0.5Mn1.5O4 using an electrolyte with sulfolane

Q. Zhang, J. Chen, X. Wang, C. Yang, M. Zheng and Q. Dong, Phys. Chem. Chem. Phys., 2015, 17, 10353
DOI: 10.1039/C5CP00799B

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