H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 10/052 (2010.01) H01M 4/131 (2010.01) B25F 5/00 (2006.01) B60L 11/18 (2006.01) H02J 9/00 (2006.01) H01M 4/485 (2010.01) H01M 4/505 (2010.01)
Patent
CA 2626554
The present invention is generally directed to lithium ion batteries. More specifically, it is directed to lithium ion batteries that provide for rapid recharge, longer battery life and inherently safe operation. In a battery aspect, the present invention provides a battery that includes the following elements: an anode comprising nano-crystalline Li4Ti5O12 having a BET surface area of at least 10 m2/g; a cathode comprising nano- crystalline LiMn2O4 spinel having a BET surface area of at least 5 m2/g. The battery has a charge rate of at least 10C.
De façon générale, la présente invention concerne les batteries à ions lithium. Plus précisément, elle concerne des batteries à ions lithium caractérisées par une recharge rapide, une longévité supérieure et une sécurité de marche intrinsèque. Selon un aspect, la batterie de l'invention possède une anode comprenant du Li4Ti5O12 nano-cristallin avec une surface BET d'au moins 10 m2/g et une cathode comprenant du IiMn2O4 nano-cristallin à spinelles d'une surface BET d'au moins 5 m2/g. Le taux de charge de la batterie est d'au moins 1OC.
Altairnano Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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