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US 12,609,300 B2Granted
Anode active material and lithium secondary battery including the same
AssigneeSK On Co., Ltd.
InventorsJu Ho Chung, Jik Soo Kim, Gwi Ok Park
Life of this patent
Estimating the term…
Abstract
An anode active material for a lithium secondary battery includes a core portion including a solid electrolyte, and a shell portion encapsulating the core portion and including a silicon-based active material. A lithium secondary includes a case and an electrode assembly accommodated in the case. The electrode assembly includes an anode including the anode active material and a cathode facing the anode.
Claims17
An anode active material, comprising:
- a core portion comprising a solid electrolyte;
- and
- a shell portion structured to encapsulate the core portion and comprising a silicon-based active material and a carbon-based active material,
- wherein a content of the carbon-based active material contained in the shell portion is in a range from 2 parts by weight to 20 parts by weight based on 100 parts by weight of the shell portion.
1 more element
A lithium secondary battery, comprising:
- a case;
- and
- an electrode assembly accommodated in the case, wherein the electrode assembly comprises:
- an anode comprising an anode active material for a lithium secondary battery;
- and
- a cathode facing the anode,
- wherein the anode active material comprises:
- a core portion comprising a solid electrolyte;
- and
- a shell portion structured to encapsulate the core portion and comprising a silicon-based active material and a carbon-based active material,
- wherein a content of the carbon-based active material contained in the shell portion is in a range from 2 parts by weight to 20 parts by weight based on 100 parts by weight of the shell portion.
8 more elements
Dependencies are inferred from the claim text.