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US 12,646,771 B2Granted
Secondary battery
AssigneeSamsung SDI Co., Ltd.
InventorsYong Chan Kim, Dong Hyuk Kim, Bo Hyun Kim, Mun Ho Nam, Jeong Won Oh
Life of this patent
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Abstract
A secondary battery includes: an electrode assembly; a case accommodating the electrode assembly; a cap plate sealing the case; and an insulating member between the electrode assembly and the cap plate, and a relationship of M/E=R1 is satisfied, where M is a melting point (° C.) of the insulating member, E is an energy density (Wh/kg) of the secondary battery, and R1 is 0.5 to 3.5.
Claims13
A secondary battery comprising:
- an electrode assembly;
- a case accommodating the electrode assembly;
- a cap plate sealing the case;
- and
- an insulating member between the electrode assembly and the cap plate,
- wherein a relationship of M/E=R1 is satisfied, where M is a melting point (° C.) of the insulating member, E is an energy density (Wh/kg) of the secondary battery, and R1 is 0.5° C.·kg/Wh to 3.5° C.·kg/Wh;
- and
- wherein a bottom surface of the insulating member is directly facing the electrode assembly at a center of the cap plate along a length of the cap plate.
5 more elements
Dependencies are inferred from the claim text.