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Highly porous LiMnPO4 in combination with an ionic liquid-based polymer gel electrolyte for lithium batteries
- Issue Date
- Oct-2011
- Publisher
- ELSEVIER SCIENCE INC
- Keywords
- LiMnPO4; Ionic liquid-based polymer electrolyte; Ionic conductivity; Manganese dissolution; Electrochemical performance
- Citation
- ELECTROCHEMISTRY COMMUNICATIONS, v.13, no.10, pp 1105 - 1108
- Pages
- 4
- Indexed
- SCI
SCIE
SCOPUS
- Journal Title
- ELECTROCHEMISTRY COMMUNICATIONS
- Volume
- 13
- Number
- 10
- Start Page
- 1105
- End Page
- 1108
- ISSN
- 1388-2481
1873-1902
- Abstract
- A porous well defined LiMnPO4 cathode material is synthesized by a sol-gel method. The electrochemical performance of the cathode material is evaluated in a cell with an ionic liquid-based polymer electrolyte (0.5 M LITFSI in EMlmTFSI) and a lithium metal electrode. The results are compared to a cell with a traditional organic carbonate-based electrolyte (1 M LiPF6 in EC/DMC). The cell with the ionic liquid-based polymer electrolyte presents an enhanced electrochemical intercalation performance of lithium ions, a high electrochemical stability window of 5 V, and an excellent cycling ability as compared with the organic based counterpart. Furthermore, the ionic liquid-based polymer gel electrolyte effectively prevents the dissolution of manganese - otherwise a common problem. (C) 2011 Elsevier B.V. All rights reserved.
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