Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1285992 | Journal of Power Sources | 2007 | 4 Pages |
Abstract
Cation (Mg and Al)-substituted spinel were synthesized using metal oxide precursor by co-precipitation method. XRD revealed that the prepared substituted spinel has spinel structure with Fd3m space group. In order to compensate the decreased initial capacity of cation-substituted spinel, partial anion (F) substitution was also carried out. The cycling performance of all the substituted spinel was improved, compared to the Li1.05Mn1.95O4 at 55 °C. Li1.05Al0.1Mn1.85O3.95F0.05 showed better capacity retention than the other substituted spinels. Both cation and anion substitution appeared to be effective for improving the cycling performance of spinel material at elevated temperature.
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Authors
K.-S. Lee, H.J. Bang, S.-T. Myung, J. Prakash, K. Amine, Y.-K. Sun,