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EP0150054A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Flat cell

Assignee: FDK Twicell Co Ltd
•
Filing: 1985-01-17
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Granted: —
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Expires: 2005-01-17
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Abstract

Abstract O Disclosed is a flat cell comprising a positive electrode metal plate, a negative electrode metal plate confronted with said positive electrode metal plate, and an adhesive sealing member for sealing the peripheral edge portions of said metal plates, characterized in that said sealing member has a three-layer structure in which ionomer resin pieces are disposed on the opposite sides of a polyethylene piece or an ethylene copolymer piece.

Inventors

  • 👤 Shintaro Suzuki
  • 👤 Hirotsugu Fujita
  • 👤 Yoshiaki Asami
  • 👤 Fumiko Homma

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-08 19:30
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/14; H01M6/16; H01M50/00; H01M50/10; H01M50/183; H01M50/19; H01M50/193; H01M50/184; Y; Y02; Y02E; Y02E60/00; Y02E60/10

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 66 words
A flat cell comprising a positive electrode metal plate, a negative electrode metal plate confronted with said positive electrode metal plate, and an adhesive sealing member for sealing the peripheral edge portions of said metal plates, characterized in that said sealing member has a three-layer structure in which ionomer resin pieces are disposed on the opposite sides of a polyethylene piece or an ethylene copolymer piece.
Claim 2
Dependent Claim 66 words
A flat cell comprising a positive electrode metal plate, a negative electrode metal plate confronted with said positive electrode metal plate, and an adhesive sealing member for sealing the peripheral edge portions of said metal plates, characterized in that said sealing member has a three-layer structure in which ionomer resin pieces are disposed on the opposite sides of a polyethylene piece or an ethylene copolymer piece.
Claim 3
Dependent Claim 29 words
The flat cell according to Claim 1, wherein said ionomer resin pieces each have thickness of 0.02 to 0.05 mm and said polyethylene piece, of 0.10 to 0.30 mm.
Claim 4
Dependent Claim 22 words
The flat cell according to Claim 1, wherein said ionomer resin pieces are disposed on the opposite sides of the polyethylene piece.

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