JPS5933661U - battery - Google Patents

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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案の背景となる偏平型リチウム電池の断
面図、第２図は第１図のリチウム電池のかしめ方法につ
いて説明するための断面図、第３図は第１図のリチウム
電池において発生しやすい不良状態を示す断面図、第４
図はこの考案の一実施例である偏平型リチウム電池の断
面図、第５図は第４図および第３図のリチウム電池の放
電電圧特性図である。 １・・・・・・密閉ケース、２・・・・・・電池構成体
、３・・・・・・正極カン、４・・・・・・負極カン、
４ａ・・・・・・封止部、４ｂ・・・・・・平坦部、４
Ｃ・・・・・・薄肉部、５・・・・・・ガスケット、６
・・・・・・正極合剤、７・・・・・・セパレータ、８
・・・・・・負極。Figure 1 is a cross-sectional view of a flat lithium battery that forms the background of this invention, Figure 2 is a cross-sectional view for explaining the caulking method for the lithium battery in Figure 1, and Figure 3 is a cross-sectional view of the lithium battery in Figure 1. Cross-sectional view showing defective states that are likely to occur, No. 4
The figure is a sectional view of a flat type lithium battery which is an embodiment of this invention, and FIG. 5 is a discharge voltage characteristic diagram of the lithium batteries shown in FIGS. 4 and 3. 1... Sealed case, 2... Battery structure, 3... Positive electrode can, 4... Negative electrode can,
4a...Sealing part, 4b...Flat part, 4
C... Thin wall part, 5... Gasket, 6
...Positive electrode mixture, 7...Separator, 8
・・・・・・Negative electrode.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 正極カンと負極力とをガスケットを介して絶縁してかつ
液密にかしめてなる密閉ケース内に、電池構成体を収納
した電池において、前記負極カンは周縁の封止部と中央
の平坦部との間に薄肉部を設けたことを特徴とする電池
。In a battery in which the battery assembly is housed in a sealed case formed by insulating the positive electrode can and the negative electrode via a gasket and caulking them liquid-tight, the negative electrode can has a peripheral sealing part and a central flat part. A battery characterized in that a thin wall portion is provided in between.