JPS59130371U

JPS59130371U - battery

Info

Publication number: JPS59130371U
Application number: JP2465483U
Authority: JP
Inventors: 飛田　清文
Original assignee: 日本電気ホームエレクトロニクス株式会社
Priority date: 1983-02-22
Filing date: 1983-02-22
Publication date: 1984-09-01

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のレーザ溶接による密閉ケースを用いた偏
平型リチウム電池の断面図である。第２図はケース本体
の内径がキャップの外径よりも大きい場合の要部拡大断
面図である。第３図はキャップの外径がケース本体の内
径よりも大きい場合の要部拡大断面図である。第４図は
この考案の一実施例の偏平型リチウム電池の断面図であ
る。第５図は第４図の要部拡大断面図である。８・・・・・・電池構成体、１５・・・・・・密閉ケー
ス、１６・・・・・・ケース本体、１６ａ・・・・・・
ケース本体の上端部、１１・・・・・・キャップ、１８
・・・・・・キャップ本体、１８ａ・・・・・・キャッ
プ（本体）の周縁部、１８ｂ・・・・・・キャップ（本
体）の立ち下り部。FIG. 1 is a cross-sectional view of a flat lithium battery using a conventional sealed case formed by laser welding. FIG. 2 is an enlarged sectional view of a main part when the inner diameter of the case body is larger than the outer diameter of the cap. FIG. 3 is an enlarged sectional view of a main part when the outer diameter of the cap is larger than the inner diameter of the case body. FIG. 4 is a sectional view of a flat lithium battery according to an embodiment of this invention. FIG. 5 is an enlarged sectional view of the main part of FIG. 4. 8...Battery structure, 15...Sealed case, 16...Case body, 16a...
Upper end of case body, 11...Cap, 18
... Cap main body, 18a ... Peripheral part of cap (main body), 18b ... Falling part of cap (main body).

Claims

[Claims for Utility Model Registration] In a battery in which a battery assembly is housed in a sealed case in which a case body and a cap are sealed by laser welding, the cap has a peripheral edge placed on the upper end of the case body. and a falling part located inside the boundary surface where the upper end of the case body and the peripheral edge of the cap are overlapped, and the boundary between the upper end of the case body and the peripheral edge of the cap is horizontally A battery characterized by laser welding from.