Stabilized lithium metal powder for li-ion application composition
AssigneeFMC Lithium USA Corp.
InventorsMarina Yakovleva, Yuan Gao, Kenneth Brian Fitch, B. Troy Dover, Prakash Thyaga Palepu, Jian-xin Li, Brian Anthony Christopher Carlin, Yangxing Li
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Abstract
The present invention provides a lithium metal powder protected by a wax. The resulting lithium metal powder has improved stability and improved storage life.
Claims6
An anode comprising a host material capable of absorbing or desorbing lithium in an electrochemical system and a stabilized lithium metal powder dispersed in the host material, wherein the stabilized lithium metal powder is coated with a wax, wherein the stabilized lithium metal powder has a mean diameter of from 10 μm to 200 μm in N-methyl-2-pyrrolidine or gamma butyrolactone, the wax is a continuous layer and has a thickness of 20 nm to 200 nm.
Dependencies are inferred from the claim text.