H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 4/26 (2006.01) C01G 45/00 (2006.01) H01M 4/48 (2006.01) H01M 4/50 (2006.01) H01M 10/40 (2006.01) H01M 6/10 (2006.01)
Patent
CA 2114493
A method is disclosed for increasing the reversible capacity of lithium transition metal oxide materials for use as cathodes in non-aqueous lithium batteries. The method involves reduction of oxide materials of the form Li xM yO z, wherein M represents transition metals whereby oxygen is removed while still maintaining the original phase of the material. Use of the method of the invention is particularly useful for oxide materials synthesized at low temperatures and where M is Mn.
Divulgation d'une méthode pour augmenter la capacité inversible de matières à base d'oxydes mixtes lithium-métal de transition, utilisées comme cathodes dans des piles au lithium non aqueux. Cette méthode fait intervenir la réduction des matières à base d'oxydes de formule LixMyOz, dans laquelle M représente un métal de transition. L'oxygène est éliminé tout en conservant la phase originale de cette matière. Cette méthode est particulièrement utile pour les matières à base d'oxyde synthétisées à basse température et dans lesquelles M est du Mn.
Dahn Jeffrey Raymond
Fuller Eric Wayne
Richard Monique Nathalie
E-One Moli Energy (canada) Limited
Oyen Wiggs Green & Mutala Llp
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