High-capacity negative electrode active material and lithium secondary battery including the same
AssigneesSnu R&Db Foundation, LG Chem, Ltd.
InventorsJihyun Kim, Jae Hyun Lee, Oh Byong Chae, Seung Mo Oh, Jeongbeom Lee, Ji Heon Ryu
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Abstract
Disclosed are a high-capacity negative electrode active material and a lithium secondary battery including the same. More particularly, the negative electrode active material includes 50 wt % or more of an alkali metavanadate based on the total weight of a negative electrode active material, wherein the alkali metavanadate has a crystalline phase or an amorphous phase, and a composition of formula AVO3.
Claims22
A negative electrode active material comprising 50 wt % or more of alkali metavanadate based on the total weight of a negative electrode active material, the alkali metavanadate having a crystalline phase or an amorphous phase and a composition of Formula 1 below:
- AVO3 (1)
- wherein A is at least one alkali metal element of Li, Na, and K.
Dependencies are inferred from the claim text.