Alkali metal titanates, and electrodes and batteries based on the same
AssigneeA123 Systems, Inc.
InventorsPu Zhang, Suresh Mani, Yet-Ming Chiang, Shih-Chieh Yin, Brian Glomski, Young-Il Jang, Christopher Silkowski, Michael R. Wixom
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Abstract
Disclosed is a lithium titanate material, which may include an additive, and its use as an electrode in a battery. Specifically disclosed is a lithium titanate based material, with primary particle size larger than 100 nm, having very good high rate charge and discharge capabilities when incorporated into a lithium battery.
Claims18
A lithium titanate material comprised of aggregates and agglomeration of particles, said particles having an average size of more than 100 nm and a surface area of no more than 20 m2/g as measured by the BET method, said material including a zirconium additive.
Dependencies are inferred from the claim text.