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US 12,009,520 B2Granted
Secondary lithium battery anode and secondary lithium battery including same
AssigneeSamsung SDI Co., Ltd.
InventorsJungmin Lee, Ilkyong Kwon, Myungseop Kim, Yuhyun Kim
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Abstract
Disclosed are a secondary lithium battery anode and a secondary lithium battery including same, the secondary lithium battery anode comprising a current collector and an anode active material layer located on at least one surface of the current collector, wherein the anode active material layer includes an anode active material, which has sphericity of 0.83 to 0.91, and a binder, which has an average particle diameter (D50) of 180 nm to 450 nm.
Claims6
An anode for a secondary lithium battery, comprising:
- a current collector, and an anode active material layer located on at least one surface of the current collector,
- wherein the anode active material layer comprises an anode active material having sphericity of 0.83 to 0.91;
- a binder having an average particle diameter D50 of 180 nm to 450 nm, and
- adherence between the current collector and the anode active material layer is 2 pf/mm to 4 of/mm.
1 more element
Dependencies are inferred from the claim text.