JPS6017565U

JPS6017565U - Flat nonaqueous electrolyte battery

Info

Publication number: JPS6017565U
Application number: JP10956883U
Authority: JP
Inventors: 中井　正樹; 信渡部; 清人渡辺; 公一佐藤
Original assignee: 松下電器産業株式会社
Priority date: 1983-07-13
Filing date: 1983-07-13
Publication date: 1985-02-06

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 drawings]

第１図は本考案の実施例における扁平形弁水電解液電池
の断面図、第２図は同電池の６０％放電時の断面図、第
３図Ａ、　Ｂは本考案電池の正極集電体を示す平面図な
らひに側面図、第４図は本考案の電池Ａと従来の電池Ｂ
の４５６Ｃ中での１５にΩ負荷放電曲線を示す図、第５
図は正極集電体の折り曲げ長さの割合と４５°Ｃ中での
１５にΩ負荷放電の持続時間Ａと正極集電体の溶接時の
ズレの発生率Ｂとの関係を示す図、第６図は正極集電体
の折り曲げ角度と４５°Ｃ中での１５にΩ負荷放電の持
続時間Ａと電池組立時の合剤割れ発生率Ｂとの関係を示
す図である。１・・・・・・負極封口板、２・・・・・・負極リチウ
ム、３・・・・・・セパレータ、４・・・・・・正極合
剤、５・・・・・・絶縁バッキング、６・・・・・・正
極集電体、＄ａ、　　６ｂ・・・・・・折り曲げ部、７
・・・・・・正極ケース。Figure 1 is a cross-sectional view of a flat valve water electrolyte battery according to an embodiment of the present invention, Figure 2 is a cross-sectional view of the same battery at 60% discharge, and Figures A and B are positive electrode current collectors of the battery of the present invention. Figure 4 shows the battery A of the present invention and the conventional battery B.
Figure 5 shows the 15Ω load discharge curve in 456C.
The figure shows the relationship between the ratio of the bending length of the positive electrode current collector, the duration A of 15Ω load discharge at 45°C, and the occurrence rate B of misalignment during welding of the positive electrode current collector. FIG. 6 is a diagram showing the relationship between the bending angle of the positive electrode current collector, the duration A of 15Ω load discharge at 45° C., and the incidence B of mixture cracking during battery assembly. 1...Negative electrode sealing plate, 2...Negative electrode lithium, 3...Separator, 4...Positive electrode mixture, 5...Insulating backing , 6... Positive electrode current collector, $a, 6b... Bend part, 7
...Positive electrode case.

Claims

[Scope of utility model registration request]

(1) A flat valve water electrolyte in which both the left and right ends of a rectangular flat metal plate are bent upward to serve as a positive electrode current collector, and the central flat part is fixed to the inner bottom of the battery case to tightly support the power generation element. battery.

(2) The positive electrode current collector extends from both left and right ends of a rectangular metal flat plate at an angle of 10 to 70% with a width of 20 to 40% of the length of one side of the flat plate.
A flat valve water electrolyte battery according to claim 1, which is folded at a bending angle of .