Secondary battery

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12230817
APP PUB NO 20230402692A1
SERIAL NO

18237635

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A secondary battery with an exterior body having a novel scaling structure, and a structure of a sealing portion that relaxes a stress of deformation are provided. The secondary battery includes a positive electrode, a negative electrode, an electrolyte solution, and an exterior body enclosing at least part of the positive electrode, at least part of the negative electrode, and the electrolyte solution. The exterior body includes a first region having a shape with a curve, a shape with a wavy line, a shape with an arc, or a shape with a plurality of inflection points, and a second region having the same shape as the first region. The first region is in contact with the second region. Alternatively, the first region has a shape without a straight line. The secondary battery may be flexible, and the exterior body in a region having flexibility may include the first region.

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First Claim

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Patent Owner(s)

  • SEMICONDUCTOR ENERGY LABORATORY CO., LTD

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tajima, Ryota Kanagawa, JP 164 1648
Takahashi, Minoru Nagano, JP 232 4272

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