JPS603553U

JPS603553U - battery

Info

Publication number: JPS603553U
Application number: JP9540283U
Authority: JP
Inventors: 長尾　伸洋; 松尾　節夫; 中野目　登
Original assignee: Sanyo Electric Co Ltd
Current assignee: Sanyo Electric Co Ltd
Priority date: 1983-06-20
Filing date: 1983-06-20
Publication date: 1985-01-11

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図は従来電池における封口部の要部断面図、第２図
乃至第４図は本考案に係り、第２図は溶着封口前の電池
の縦断面図、第３図は金属蓋の要部断面図、第４図は封
口部の要部断面図を夫々示す。１・・・外装缶、２・・・正極、３・・・負極、４・・
・セパレータ、５・・・金属蓋、６・・・立上周縁、７
・・・絶縁材、８・・・負極端子ピン、９・・・縦溝、
１０・・・ガス抜細孔、　　　′Ｌ・・・レーザ光。Figure 1 is a sectional view of the main parts of the sealing part in a conventional battery, Figures 2 to 4 are related to the present invention, Figure 2 is a longitudinal sectional view of the battery before welding and sealing, and Figure 3 is the main part of the metal lid. FIG. 4 is a sectional view of a main part of the sealing part. 1... Exterior can, 2... Positive electrode, 3... Negative electrode, 4...
・Separator, 5...Metal lid, 6...Rising edge, 7
...Insulating material, 8...Negative terminal pin, 9...Vertical groove,
10... Gas vent pore, 'L... Laser light.

Claims

[Scope of Claim for Utility Model Registration] ■ A raised periphery of a metal lid is fitted onto the opening edge of an exterior can that also serves as a unipolar terminal and which houses a power generation element, and these joints are welded and sealed; A battery having a gas vent hole formed in at least one part of the outer can to release gas generated in the outer can during welding and sealing. □ ■ The battery according to claim 0, wherein the gas vent hole is formed by a vertical groove provided on the outer surface of the raised periphery of the metal lid.