COIN-SHAPED BATTERY - PANASONIC IP MAN CORP

Title:

COIN-SHAPED BATTERY

Document Type and Number:

Japanese Patent JP2018041530

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To reduce damages on an organism due to accidental ingestion of a coin-shaped battery.SOLUTION:CLAIM 1: A coin-shaped battery comprises: a case having a bottom plate part and a side part rising up from a peripheral edge of the bottom plate part; a sealing port plate having a top plate part and a peripheral edge part extended to an inner side of the side part from the top plate part; a gasket that is interposed between the side part and the peripheral edge part; an electric power generation element that is sealed with the case and the sealing port plate; a first metal layer in which at least one of the case and the sealing port plate is provided to an outer surface side; and a second metal layer that is provided on an inner surface side from the first metal layer. The first metal layer includes at least one selected from a group consisting of aluminum and magnesium.SELECTED DRAWING: Figure 1

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Inventors:

TAKAHASHI TADAYOSHI
YAGISHITA TOMOHIRO

Application Number:

JP2016001312A

Publication Date:

March 15, 2018

Filing Date:

January 06, 2016

Export Citation:

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Assignee:

PANASONIC IP MAN CORP

International Classes:

C22C23/02; H01M6/02; H01M10/04; H01M10/058; H01M50/109; H01M50/145

Attorney, Agent or Firm:

Shinichi Kawasaki
Yuko Tsumura

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