JPS59132166U

JPS59132166U - battery

Info

Publication number: JPS59132166U
Application number: JP2677283U
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: 1983-02-24
Filing date: 1983-02-24
Publication date: 1984-09-04

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図は従来一般の偏平型非水電解質電池の断゛　　　
面図である。第２図はこの考案の背景となるタブリード
付き偏平型非水電解質電池の断面図である。第３図はこの考案の背景となる改良型タブリード付き偏
平型非水電解質電池の断面図である。第４図は第３図の
電池において生じやすい第１′の不良状態を示す平面図
である。第５図は第３図の電池にｉいて生じやすい第２
の不良状態を示す要部拡大断面図である。第６図はこの
考案の一実施例のタブリード付き偏平型非水電解質電池
の平面図である。第７図は第６図の電池の■−■線に沿
う矢　　、印方向の断面図である。１・・・・・・密閉ケース、２・・・・・・電池構成体
、３・・・・・・正極ケース、４・・・・・・負極ケー
ス、５・・・・・・ガスケット、８・・・・・・負極、
１１．１２・・・・・・タブリード、１５．１６・・・
・・・環状突起部。Figure 1 shows the breakdown of a conventional flat type non-aqueous electrolyte battery.
It is a front view. FIG. 2 is a sectional view of a flat type non-aqueous electrolyte battery with tab leads, which is the background of this invention. FIG. 3 is a cross-sectional view of an improved flat type non-aqueous electrolyte battery with tab leads, which is the background of this invention. FIG. 4 is a plan view showing the 1' defective state that is likely to occur in the battery of FIG. 3. Figure 5 shows the second problem that tends to occur in the battery shown in Figure 3.
FIG. 3 is an enlarged cross-sectional view of a main part showing a defective state. FIG. 6 is a plan view of a flat type non-aqueous electrolyte battery with tab leads according to an embodiment of this invention. FIG. 7 is a cross-sectional view of the battery shown in FIG. 6 along the line ■-■ in the direction of the arrows and marks. DESCRIPTION OF SYMBOLS 1... Sealed case, 2... Battery structure, 3... Positive electrode case, 4... Negative electrode case, 5... Gasket, 8... Negative electrode,
11.12...Tab lead, 15.16...
...Annular protrusion.

Claims

[Scope of utility model registration request]

In a battery in which a battery assembly is housed in a sealed case and a tab lead is welded to the sealed case, an annular protrusion is provided on at least the outer surface of the case on the negative electrode side, and the tab lead is welded across the annular protrusion. A battery that has an i symptom of what happened.