JPS5914251A - Enclosed cell - Google Patents

Enclosed cell

Info

Publication number
JPS5914251A
JPS5914251A JP57123584A JP12358482A JPS5914251A JP S5914251 A JPS5914251 A JP S5914251A JP 57123584 A JP57123584 A JP 57123584A JP 12358482 A JP12358482 A JP 12358482A JP S5914251 A JPS5914251 A JP S5914251A
Authority
JP
Japan
Prior art keywords
straightness
battery
cylindrical
metal case
accuracy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP57123584A
Other languages
Japanese (ja)
Inventor
Isao Kimura
木村 伊佐夫
Yasusaburo Yagyu
柳生 泰三郎
Susumu Hosoi
進 細井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP57123584A priority Critical patent/JPS5914251A/en
Publication of JPS5914251A publication Critical patent/JPS5914251A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/102Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/109Primary casings; Jackets or wrappings characterised by their shape or physical structure of button or coin shape
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

PURPOSE:To obtain an enclosed cell of excellent liquid leakproof, by forming an internal side of the cylindrical rise up part of a bottommed hollow cylindrical metallic case to straightness within a fixed limit. CONSTITUTION:The pressure in a seal port is uniformly distributed and liquid leakproof quality of a cell is improved by forming the internal side of a cylindrical rise up part 7 of a metallic case 1 to straightness within 0.03mm.. The metallic case of good straightness can be obtained by a difference between elongations due to directional quality of rolling of a material plate, selection of a process of draft and drawing, accuracy of a metal mold, setting accuracy, etc.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、電解液を内填する有底中空円筒状金属ケース
を用いた密閉式電池に関するもので、酸化銀電池、アル
カリマンガン電池、水銀電池、空気亜鉛電池、リチウム
電池、マンガン乾電池、二′ツケル・カドミウム電池な
どに利用し得るものである。
DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a sealed battery using a bottomed hollow cylindrical metal case filled with an electrolyte, such as a silver oxide battery, an alkaline manganese battery, a mercury battery, It can be used for zinc-air batteries, lithium batteries, manganese dry batteries, 2'-cadmium batteries, etc.

従来例の構成とその問題点 電池の一般的構成例を第1図及び第2図により説明する
。第1図はボタン形酸化銀電池を示し、第2図はこれに
用いる有底中空円筒状金属ケースを示すものでおる。図
中1は表面にニッケル鍍金を施した有底中空円筒状の鋼
製ケースである。2は金属製封口蓋、3は絶縁性ガスヶ
、yト、4は市極剤、5は電解液を含む負極剤、6はセ
ノくレータである。金属ケース10円筒状立上り部7の
先端部分8は円方に曲げられ、ガスケット3及び封口蓋
2を押圧して発電要素を液密に封口している。
The structure of a conventional example and its problems An example of a general structure of a battery will be explained with reference to FIGS. 1 and 2. FIG. 1 shows a button-shaped silver oxide battery, and FIG. 2 shows a bottomed hollow cylindrical metal case used therein. In the figure, numeral 1 is a hollow cylindrical steel case with a bottom and whose surface is nickel plated. Reference numeral 2 is a metal sealing lid, 3 is an insulating gas container, 4 is an electrode agent, 5 is an anode agent containing an electrolyte, and 6 is a senolator. The tip portion 8 of the cylindrical rising portion 7 of the metal case 10 is bent into a circle and presses against the gasket 3 and the sealing lid 2 to seal the power generation element liquid-tightly.

電池の耐漏液性は、一般に金属ケース1の曲げ角度やそ
の均一性、部品の寸法精度等により大きく左右される。
The leakage resistance of a battery generally depends largely on the bending angle of the metal case 1, its uniformity, the dimensional accuracy of the parts, and the like.

%に部品の寸法精度と、形状及び位置の精度については
、それが適切でない場合は、電池の耐漏液性が極めて劣
る結果になる。
If the dimensional accuracy, shape and positional accuracy of the parts are not appropriate, the leakage resistance of the battery will be extremely poor.

発明の目的 本発明は、これら部品の中、有底中空円筒状金属ケース
の、円筒状立−Lり部内側の真直度を一定限度内にする
ことにより、耐漏液性のすぐれた密閉式電池を得ようと
するものである。
Purpose of the Invention The present invention provides a sealed battery with excellent leakage resistance by adjusting the straightness of the inner side of the cylindrical vertical L-shaped part of the bottomed hollow cylindrical metal case within a certain limit among these parts. It is an attempt to obtain.

発明の構成 真直度はJI8B o621  r形状と位置の精度の
定義及び表示」によれば、「真直度とは、直線部分の幾
何学的直線からの狂いの大きさをいう」と定義されてい
る。第3図は真直度を簡単に説明するだめの図であるが
、黒人と点Bを結ぶ線分ムBの幾何学的直線ABに対す
る真直度はfで表わされる。
According to JI8B o621 r Definition and Representation of Accuracy of Shape and Position, straightness is defined as ``Straightness refers to the amount of deviation of a straight part from a geometric straight line.'' . Although FIG. 3 is only a diagram for simply explaining straightness, the straightness of the line segment B connecting the black man and point B with respect to the geometric straight line AB is expressed by f.

本発明は第2図に示す金属ケース1の円筒状立上り部7
の内側9の真直度をo、o s mm以内として耐漏液
性を向上させたものである。
The present invention relates to a cylindrical rising portion 7 of a metal case 1 shown in FIG.
The straightness of the inner side 9 is within 0.0 s mm to improve leakage resistance.

実施例の説明 第1図において、電解液は通常ガスケット3と、封口蓋
2との間を通って外部へ漏出する。この場合、もし金属
ケースの円筒状立上り部内側の真直度が犬であれば、ガ
スケット及び封口蓋を押圧する力に部位による不均一を
生じ、圧力の小さいところから電解液は漏出する。一方
真直度が小ならば圧力は均一になり、漏液の発生は防止
される。
DESCRIPTION OF THE EMBODIMENTS In FIG. 1, the electrolytic solution normally passes between the gasket 3 and the sealing lid 2 and leaks to the outside. In this case, if the inside of the cylindrical rising part of the metal case is not straight enough, the force pressing the gasket and the sealing lid will be uneven depending on the area, and the electrolyte will leak from areas where the pressure is low. On the other hand, if the straightness is small, the pressure will be uniform and leakage will be prevented.

機械加工部品は、いわゆる寸法精度のみでなく、形状及
び位置の精度も極めて重要であるが、本発明は金属ケー
スの円筒状立上り部内側の真直度を0.03 mm以内
にすることによって封口圧力を均一化し、電池の耐漏液
性を向−卜せしめるものである。
For machined parts, not only the so-called dimensional accuracy but also the shape and position accuracy are extremely important, but the present invention reduces the sealing pressure by keeping the straightness of the inside of the cylindrical rising part of the metal case within 0.03 mm. The purpose is to make the liquid uniform and improve the leakage resistance of the battery.

真直度の良好な金属ケースは、素材である板の圧延の方
向性による伸びの差、抜き及び絞りのプロセスの選定、
金型精度、セツティング精度等によって得られる。
A metal case with good straightness is determined by the difference in elongation due to the direction of rolling of the plate material, the selection of the punching and drawing process,
Obtained by mold accuracy, setting accuracy, etc.

真直度をo、o a mm以内にした理由は、電池漏液
テストの結果、0.03 mm以内であれば、実用上支
障がないことが判明したためである。
The reason why the straightness was set within o.o.a. mm was that as a result of a battery leakage test, it was found that as long as it was within 0.03 mm, there would be no problem in practical use.

今、電池の外径11..6mm 、高さ5.4 mmの
酸化銀を用いてテストした。テストの方法は、電池を温
度46±2°C1相対湿度90〜96%に連続して10
00時間保管し、取出後常温常湿で3日間放置した後、
10倍の顕微鏡で観察し、漏液の有無を判定した。
Now, the outer diameter of the battery is 11. .. A 6 mm x 5.4 mm high silver oxide was tested. The test method is to continuously expose the battery to a temperature of 46±2°C and a relative humidity of 90-96% for 10 days.
After storing it for 00 hours and leaving it at room temperature and humidity for 3 days after taking it out,
It was observed with a 10x microscope to determine the presence or absence of leakage.

真直度区分   テスト数  漏液数 0.02mm以下   SOO O,021〜0.030mm  50    1  (
軽微)0.031mm以上   6o    11発明
の効果 金属ケースの円筒状立上り部内側の真直度を0.03 
mm以内にすることは、電池の耐漏液性を高める点にお
いて極めて顕著な効果がある。
Straightness classification Number of tests Number of leaks 0.02mm or less SOO O, 021~0.030mm 50 1 (
Minor) 0.031mm or more 6o 11 Effects of the invention Reduce the straightness of the inside of the cylindrical rising part of the metal case to 0.03
Setting the thickness within mm has a very significant effect in improving the leakage resistance of the battery.

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

第1図はボタン形酸化銀電池lの半断面図、第2図はこ
れに用いる有底円筒状金属ケースの半断面図、第3図は
真直度を説明するだめの図である。 1・・・・・・有底中空円筒状金属ケース、2・・・・
・・金属封口蓋、3・・・・・絶縁性ガスケット、4・
・・・・・正極剤、6・・・・・・負極剤、6・・・・
・・セパレータ、7・・・・・・円筒状立上り部、9・
・・・・・立上り部の内側。 代理人の氏名 弁理士 中 尾 敏 男 ほか1名第1
図 第2図 第3511
FIG. 1 is a half-sectional view of a button-shaped silver oxide battery 1, FIG. 2 is a half-sectional view of a bottomed cylindrical metal case used therein, and FIG. 3 is a diagram for explaining straightness. 1... Hollow cylindrical metal case with bottom, 2...
・・Metal sealing lid, 3・・・・Insulating gasket, 4・
...Positive electrode material, 6...Negative electrode material, 6...
... Separator, 7... Cylindrical rising portion, 9.
...Inside the rising part. Name of agent: Patent attorney Toshio Nakao and 1 other person 1st
Figure 2 Figure 3511

Claims (1)

【特許請求の範囲】[Claims] 有底中空円筒状金属ケースと、金属封口蓋と、これら両
者の間にはさまれる絶縁性ガスケットとにより、発電要
素を密閉した電池であって、前記金属ケースの円筒状立
上り部−内側の真直度がqosmm以内である密閉式電
池。
A battery in which a power generation element is sealed by a hollow cylindrical metal case with a bottom, a metal sealing lid, and an insulating gasket sandwiched between the two, wherein the cylindrical rising part of the metal case - the straight inside A sealed battery whose degree is within qosmm.
JP57123584A 1982-07-14 1982-07-14 Enclosed cell Pending JPS5914251A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57123584A JPS5914251A (en) 1982-07-14 1982-07-14 Enclosed cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57123584A JPS5914251A (en) 1982-07-14 1982-07-14 Enclosed cell

Publications (1)

Publication Number Publication Date
JPS5914251A true JPS5914251A (en) 1984-01-25

Family

ID=14864203

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57123584A Pending JPS5914251A (en) 1982-07-14 1982-07-14 Enclosed cell

Country Status (1)

Country Link
JP (1) JPS5914251A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0751578A1 (en) * 1995-05-05 1997-01-02 Rayovac Corporation Metal-air electrochemical cells
US5804327A (en) * 1995-05-05 1998-09-08 Rayovac Corporation Thin walled electrochemical cell
US5904998A (en) * 1995-05-05 1999-05-18 Rayovac Corporation Metal-air cathode can and electrochemical cell made therewith
US6205831B1 (en) 1998-10-08 2001-03-27 Rayovac Corporation Method for making a cathode can from metal strip
US6248463B1 (en) 1997-05-05 2001-06-19 Rayovac Corporation Metal-air cathode can and electrochemical cell made therewith

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0751578A1 (en) * 1995-05-05 1997-01-02 Rayovac Corporation Metal-air electrochemical cells
US5658356A (en) * 1995-05-05 1997-08-19 Rayovac Corporation Metal-air cathode can having reduced corner radius and electrochemical cells made therewith
US5804327A (en) * 1995-05-05 1998-09-08 Rayovac Corporation Thin walled electrochemical cell
US5904998A (en) * 1995-05-05 1999-05-18 Rayovac Corporation Metal-air cathode can and electrochemical cell made therewith
US5945234A (en) * 1995-05-05 1999-08-31 Rayovac Corporation Metal-air cathode can having reduced corner radius and electrochemical cells made therewith
US6042957A (en) * 1995-05-05 2000-03-28 Rayovac Corporation Thin walled electrochemical cell
US6280876B1 (en) 1995-05-05 2001-08-28 Rayovac Corporation Metal-air cathode can having reduced corner and electrochemical cells made therewith
US6248463B1 (en) 1997-05-05 2001-06-19 Rayovac Corporation Metal-air cathode can and electrochemical cell made therewith
US6205831B1 (en) 1998-10-08 2001-03-27 Rayovac Corporation Method for making a cathode can from metal strip

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