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US 9,786,872 B2Granted
Flexible secondary battery
AssigneeSamsung SDI Co., Ltd.
InventorsJunwon Suh, Jeong-Doo Yi, Juhee Sohn, Hyunhwa Song
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Abstract
A flexible secondary battery includes: an electrode assembly including a first electrode layer, a second electrode layer, and a separator between the first electrode layer and the second electrode layer; a gasket having flexibility and surrounding edges of the electrode assembly; a first sealing sheet attached to a first surface of the gasket; and a second sealing sheet attached to a second surface of the gasket facing away from the first surface, wherein an uneven pattern is at a bendable area of the gasket.
Claims11
A flexible secondary battery comprising:
- an electrode assembly comprising a first electrode layer, a second electrode layer, and a separator between the first electrode layer and the second electrode layer;
- a gasket having flexibility and surrounding edges of the electrode assembly;
- a first sealing sheet attached to a first surface of the gasket;
- and
- a second sealing sheet attached to a second surface of the gasket facing away from the first surface,
- wherein an uneven pattern is at a bendable area of the gasket,
- wherein the uneven pattern comprises a plurality of ridges that extend across at least one selected from a thickness and a width of the gasket, and
- wherein a distance between adjacent ones of the ridges varies along the bendable area of the gasket.
5 more elements
Dependencies are inferred from the claim text.