JPS59132161U - sealed 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) [Abstract] 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図はこの考案の密閉型電池の一例を示す部分断面図
、第２図はこの考案の密閉型電池の要部を拡大して示す
断面図である。 １・・・陰極、５′・・・陰極缶、６・・・金属蓋ミ９
・・・側面　、内周の溝部、１０・・・側面外周の溝部
、１１ａ。 １１ｂ・・・下端。FIG. 1 is a partial sectional view showing an example of a sealed battery of this invention, and FIG. 2 is a sectional view showing an enlarged main part of the sealed battery of this invention. 1...Cathode, 5'...Cathode can, 6...Metal lid Mi9
...Side surface, groove portion on inner circumference, 10...Groove portion on outer circumference of side surface, 11a. 11b...lower end.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] リチウムを陰極活物質とする一方オキシハロゲン化物を
電解液の溶媒および陽極活物質とし、これら電池要素を
内填させた陰極缶をステシレス鋼の探しぼり加工缶で構
成してその開口部に金属蓋を溶接して密閉構造とし、こ
の密閉構造内の空間容量と上記オキシハロゲンイ（物の
容量との合計量中に占める上記オキシハロゲン化物の容
量が７５容量％以上となるようにされた密閉型電池にお
いて、上記陰極缶の側面内周に複数個の環状の溝部′　
　　　を等間隔で形成すると共に上記ひとつの溝部の下
端から隣接する他の溝部の下端までの距離の少な　′く
とも１．５倍の幅を有する環状の溝部を上記陰極缶の側
面外周に設けたことを特徴とする密閉型電池。Lithium is used as the cathode active material, while oxyhalide is used as the electrolyte solvent and anode active material, and the cathode can containing these battery elements is constructed from a machined stainless steel can with a metal lid over the opening. is welded to form a sealed structure, and the volume of the oxyhalide in the total volume of the space in the sealed structure and the volume of the oxyhalide (object) is 75% by volume or more. In the battery, a plurality of annular grooves are formed on the inner periphery of the side surface of the cathode can.
An annular groove is formed on the outer periphery of the side surface of the cathode can, and has a width at least 1.5 times the distance from the lower end of the one groove to the lower end of the adjacent groove. A sealed battery characterized by: