JPS58111254A - Flat battery - Google Patents

Flat battery

Info

Publication number
JPS58111254A
JPS58111254A JP56208873A JP20887381A JPS58111254A JP S58111254 A JPS58111254 A JP S58111254A JP 56208873 A JP56208873 A JP 56208873A JP 20887381 A JP20887381 A JP 20887381A JP S58111254 A JPS58111254 A JP S58111254A
Authority
JP
Japan
Prior art keywords
battery
terminal
active material
annular caulking
caulking part
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
JP56208873A
Other languages
Japanese (ja)
Inventor
Muneo Kitamura
宗夫 北村
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.)
Kawaguchiko Seimitsu KK
Original Assignee
Kawaguchiko Seimitsu KK
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 Kawaguchiko Seimitsu KK filed Critical Kawaguchiko Seimitsu KK
Priority to JP56208873A priority Critical patent/JPS58111254A/en
Publication of JPS58111254A publication Critical patent/JPS58111254A/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
    • H01M50/172Arrangements of electric connectors penetrating the casing
    • 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 make the ratio of the internal volume to the entire volume of a thin battery large, increase the electric-discharge capacity of the battery, and prevent any liquid leakage of the battery by fixing an annular caulking part, which protrudes from the inner wall of a can coated with an insulating film, to the can by pressing and tightening the annular caulking part. CONSTITUTION:The entire surface of a can 8 made of a metallic member is coated with a fluorine-system film 8a. The lower opening part of the can 8 is attached around a positive terminal 7 made of a metallic member. A negative terminal 9 made of a metallic member has an external-terminal touching part 9a in its upper part, and an annular caulking part 9b in its lower part. The negative terminal 9 is integrated from outside the can 8 into the upper opening hole 8b of the can 8, and fixed to the can 8 by pressing and tigtening the annular caulking part 9b protruding inside the can 8. A separator 13 separates a positive active material 11 and a negative active material 12, which is impregnated with electrolyte, from one another so as to prevent any electric short- circuit. By the means mentioned above, the ratio of the internal volume to the entire volume of the battery is made large, the electric-discharge capacity is increased, and any liquid leakage can be prevented.

Description

【発明の詳細な説明】 本発明は腕時計、電卓、カメラ等の小型機器VC便用さ
れる偏平型電池に関するものである。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a flat battery used for VC purposes in small devices such as wristwatches, calculators, and cameras.

従来この種の偏平型電池の一例を第1図に示した縦断面
半裁図によつ説明する。
An example of a conventional flat battery of this type will be explained with reference to a longitudinal cross-sectional half-sectional view shown in FIG.

1は金属材料よりなるカップ状の陽極風であり2は金属
材料北9なるキャップ状の隙極阪である。6は陽極風1
と@検電2のカール部2aとの間に設けらnた絶縁材よ
りなるガスケットであり、陽極風1の上部開口部1aの
周縁を内方に加締めることにより圧縮保持されている。
1 is a cup-shaped anode wind made of a metal material, and 2 is a cap-shaped gap pole made of a metal material 9. 6 is anode wind 1
It is a gasket made of an insulating material provided between the curled part 2a of the voltage detector 2 and the anode wind 1, and is compressed and held by crimping the periphery of the upper opening 1a of the anode wind 1 inward.

第1図に示す従来の偏平型電池の電池ケースは、陽極風
1と、陰極ゐ2と、ガスケット3により構成されておQ
lこの′電池ケース内には、′電解液はか、陽極活物′
i4と罐極活物買5とがセパレータ乙により分割されC
内包されCいる。
The battery case of the conventional flat battery shown in Fig. 1 is composed of an anode 1, a cathode 2, and a gasket 3.
l Inside this battery case, there is an electrolyte and an active anode.
i4 and Kangyoku Katsumonokai 5 are divided by separator B and C
It is contained in C.

この従来の偏平型電池の封止構造は、ガスケット6の圧
縮反力により、ガスケット6と陽極風1及び威極瓜2と
?密着させ、漏液を防止する構造を採っているため、カ
ス゛クット5の厚みを厚くし、ガスケット6の圧縮反力
を太す<シなければならなかった。従って、電池全体積
に対するガスケット6の占める体積の開会が極めで太き
く、放電容量を増加させるには、内容物質の構成が同一
の場合どうしても成池全体積乞太き(しなけわばなりな
かった。
The sealing structure of this conventional flat battery is such that due to the compression reaction force of the gasket 6, the gasket 6, the anode wind 1, and the weiji melon 2 are connected to each other. Since the structure is such that the gaskets are in close contact with each other to prevent liquid leakage, it is necessary to increase the thickness of the gasket 5 and the compression reaction force of the gasket 6. Therefore, the volume occupied by the gasket 6 relative to the total battery volume is extremely large, and in order to increase the discharge capacity, the total volume of the battery must be increased even if the composition of the contents is the same. Ta.

また、耐漏液性を高めるためにガスケット乙の圧縮量を
大きくすると、ガスケット6を圧縮させる力により、陰
極^カール部2aが内方に移動し、゛成池風内圧を高め
てしまうと共に、ガスケット6のクリープ劣化率を増加
させてしまい、漏液発生の一つの原因となっていた。
Furthermore, if the amount of compression of gasket B is increased in order to improve leakage resistance, the force that compresses gasket 6 will cause the cathode curl portion 2a to move inward, increasing the internal pressure of the gasket. This increases the creep deterioration rate of No. 6, which is one of the causes of leakage.

本発明は、従来の欠点を除去すべく、表面を絶縁性被膜
にでコーティングしたAと電気導通性のある陰極端子及
び陽極端子とで電池ケースを形成し、電池全体積に対す
る内容体積の比を大き(し、放電容量を増加させると共
に、漏液を完全に防止するようにした電池の提供乞目的
としたものである。
In order to eliminate the conventional drawbacks, the present invention forms a battery case by A whose surface is coated with an insulating film and an electrically conductive cathode terminal and anode terminal, and reduces the ratio of the internal volume to the total battery volume. The purpose of this invention is to provide a battery that has a large discharge capacity and is completely prevented from leaking.

以ド図面に基づ騙て本発明々好適な芙施例乞詳細に説明
する。
DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail by way of preferred embodiments with reference to the drawings.

第2図は本発明の偏平型電池の縦断面半載図である。7
は金属材料よっなる陽極端子である。
FIG. 2 is a longitudinal cross-sectional half-mounted view of the flat battery of the present invention. 7
is an anode terminal made of metal material.

δは金属材料よりなっ、その全表面にフッ累系被膜8a
をコーティングした為であり、下側開口部に前記陽極端
子7が嵌着され、接合部材1oで接合さtCいる。
δ is made of a metal material and has a fluorine system coating 8a on its entire surface.
The anode terminal 7 is fitted into the lower opening and joined by the joining member 1o.

9は金属材料よりなる陰極端子であり、上部には円盤状
の外部端子接触部9aを有し、下部には環状カシメ部9
bを有しでいる。
Reference numeral 9 designates a cathode terminal made of a metal material, which has a disk-shaped external terminal contact portion 9a at the top and an annular caulking portion 9 at the bottom.
It has b.

この陰極端子9は、鳳8の外側から狐8の上部開口穴8
bに組み込まれ、鰍8の内側に突出する環状カシメ部9
bを加締めることにより取8に固定される。陰極端子9
の環状カシメ部9bの表面及び側表面には、フッ素系被
d9cがコー ティングされている。
This cathode terminal 9 is inserted into the upper opening hole 8 of the fox 8 from the outside of the phoenix 8.
an annular caulking part 9 that is incorporated in b and projects inside the gill 8;
It is fixed to the handle 8 by tightening b. Cathode terminal 9
The front and side surfaces of the annular caulked portion 9b are coated with a fluorine-based coating d9c.

11はタブレット状の陽極活物質であ)、12は電解液
ケ含ダした陰極活物質である。尚、前記コーティング5
a、9Cは図…1上厚さを誇張して図示しである。
11 is a tablet-shaped anode active material), and 12 is a cathode active material containing an electrolyte. In addition, the coating 5
A and 9C are illustrated with exaggerated thicknesses in Figure 1.

16はセパレータであっ、陰極活物質11と陰極活物質
12とを分割し、゛電気的短f@乞防止しζいる。
16 is a separator that separates the cathode active material 11 and the cathode active material 12 and prevents electrical short circuits.

14は嘱極端子ソの環状カシメ部9bに囲まねた円筒部
9dの底面に接続した金属材料よりなる果電部であり、
原種端子2と廃憧活物質12との間の一気導通を良好に
している。この果屯部14は厚形電池の場合には必ずし
も必要とはしてい7.c(・。
Reference numeral 14 denotes a power output portion made of a metal material and connected to the bottom surface of the cylindrical portion 9d surrounded by the annular caulked portion 9b of the tip terminal;
The instant conduction between the original terminal 2 and the waste active material 12 is made good. This bulge portion 14 is not necessarily required in the case of thick batteries7. c(・.

上記のように形成された偏平型電池では、風8と陰極端
子9とを部品の状態で加締め一体化し集電部14を接続
した上で、陰極活物質12、セパレータ13、及び陽極
活物質11の内容物を入れることができ、続いて内容物
に圧力を加えることな(、鳳8に陽極端子7を嵌潰し、
接合部材1゜で封止することができる。従って、漏液の
原因の一つである内圧の上昇を防ぐことができ、更に従
来のガスケットに類するものを使用していないので、成
池全体槓に対する内容積の比を大きくすることができる
In the flat battery formed as described above, the wind 8 and the cathode terminal 9 are crimped together as parts, the current collector 14 is connected, and then the cathode active material 12, the separator 13, and the anode active material 11 contents can be put in, and then without applying pressure to the contents (by fitting the anode terminal 7 into the screw 8,
Sealing can be achieved with a joining member of 1°. Therefore, an increase in internal pressure, which is one of the causes of liquid leakage, can be prevented, and since no gasket similar to a conventional gasket is used, the ratio of the internal volume to the entire pond can be increased.

fだ、本発明vc2ける偏平型電池の威極端子ソは、部
品の状態にある載8に取っ付けられるため、瓜8の内部
に突出する環状カシメ部9bを加締める作条な極めて容
易に行うことができる。
f. Since the power terminal terminal of the flat battery according to the present invention VC2 is attached to the support 8 which is in the state of a component, it is extremely easy to tighten the annular crimped portion 9b protruding inside the melon 8. It can be carried out.

また、この陽極端子9は陰惨端子9の外部端子接触部9
aIJ″−瓜8の上面上に固定されているため外部かり
の押圧力に強く、外力による環状カシメ部9bのゆるみ
が生じることはない。さらに、陰極端子9の外部端子接
触部9aは所望する大ささに拡大することができ、その
用途に合わせた形状にすることができる。
In addition, this anode terminal 9 is connected to the external terminal contact portion 9 of the gruesome terminal 9.
aIJ''-Since it is fixed on the upper surface of the melon 8, it is strong against the pressing force of an external force, and the annular caulked part 9b will not loosen due to external force.Furthermore, the external terminal contact part 9a of the cathode terminal 9 can be adjusted as desired. It can be expanded in size and shaped to suit its purpose.

さらにまた、本発明の陰極端子9は、鳳8の内部に収容
される部分の体積が小さいため、陰極端子9を組み込む
ことに起因する陰極活物質及び゛電解液の量の削減の必
要はなく、A8の容積を極めて有効に利用することかで
きる。
Furthermore, since the cathode terminal 9 of the present invention has a small volume in the portion housed inside the bonnet 8, there is no need to reduce the amount of cathode active material and electrolyte caused by incorporating the cathode terminal 9. , the volume of A8 can be used extremely effectively.

また、龜8の表面フッ累系被膜8aと、陰極端子9の側
面フッ累系被膜9Cとを合わせC/JO締められるため
、両部品間の電気的導通を完全に防止できる上、本被膜
の豊かな弾力性と拓本性によQ内被膜間の隙間ぞな(す
ことかでさるとともに電S液の這い上・)を防ぐことか
でさ、漏液乞なくすことかできる。
In addition, since the surface fluorocarbon coating 8a of the bell 8 and the side fluorocarbon coating 9C of the cathode terminal 9 are combined and tightened by C/JO, electrical conduction between both parts can be completely prevented, and this coating Due to its rich elasticity and smoothness, it prevents gaps between the internal coatings (as well as leakage of the electric S liquid), thereby eliminating leakage.

このフッ系系被膜8a、9Cとしでは、四フッ化エチレ
ン(間品名ポリフロン)及び三フッ化エチレン(部品名
グイフロン)が好適であ一ノ、また′!1を解液に対す
る耐省化性、電気絶縁性、希求性、密着力のよいもので
あればフッ糸系以外のもの(例えば、シリコン系、エポ
キシ系等)でもよい0 また、瓜表面のフッ素系被膜8aと陰極端子側面のフッ
素系被膜9Cとの接触部に、タールもしくは′シリコー
ングリース等のシーリング剤を介在させると、更に耐漏
液性能をより完壁にすることができる。
As the fluorine-based coatings 8a and 9C, tetrafluoroethylene (part name: Polyflon) and trifluoroethylene (part name: Guiflon) are suitable. 1 may be made of a material other than fluorine-based (for example, silicone-based, epoxy-based, etc.) as long as it has good resistance to decomposition, electrical insulation, aspiration, and adhesion.0 Also, fluorine on the surface of the melon If a sealant such as tar or silicone grease is interposed at the contact area between the fluorine-based coating 8a and the fluorine-based coating 9C on the side surface of the cathode terminal, the leakage resistance can be further improved.

また、陽極端子7と鳳8との嵌着部8bにテーパを設け
、スナップ装着させることにより、組立作業が手早く行
えるため、液の蒸発および埃などの異物混入を防ぐこと
ができる。また、陽極端子7が&8に固定されるため、
接合部材10で密封する迄の漏液を防ぐことができる上
、密封4p業の作業性も同上されることができる。
Further, by providing a taper in the fitting portion 8b between the anode terminal 7 and the bolt 8 and snapping them together, assembly work can be performed quickly, thereby preventing evaporation of the liquid and contamination of foreign matter such as dust. Also, since the anode terminal 7 is fixed to &8,
Not only can liquid leakage be prevented until sealing is performed with the joining member 10, but the workability of the sealing 4P work can also be improved.

尚、接合部材10での密封は、レーザー等による溶着で
あってもよい。
Note that the sealing with the joining member 10 may be performed by welding using a laser or the like.

上記の如く本発明によれば、電池体積を有効に使用する
ことができ、大容量化かり能となる上、耐漏液性が完全
に克服でき、作業性もよくな9、この様な偏平型電池の
信頼性が向上され、極めC安定した偏平型電池を提供す
るものである。
As described above, according to the present invention, the battery volume can be used effectively, the capacity can be increased, the leakage resistance can be completely overcome, and the workability is good9. The present invention provides a flat type battery with improved battery reliability and extremely stable C.

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

第1図は従来の偏平型電池の縦断面半裁図、第2図は本
発明の偏平型電池の縦断面半裁図である。 4.11・・・陽極活物質 5.12・・・陰極活物質
7・・1陽極端子    8・・・瓜 6.13・・・セハレータ 9・・・陰極端子9b・・
・環状カシメ部
FIG. 1 is a vertical cross-sectional half view of a conventional flat type battery, and FIG. 2 is a vertical cross-sectional half view of the flat type battery of the present invention. 4.11...Anode active material 5.12...Cathode active material 7...1 Anode terminal 8...Melon 6.13...Sehalator 9...Cathode terminal 9b...
・Circular caulking part

Claims (1)

【特許請求の範囲】[Claims] 下部に環状カシメ部を有する陰極端子と、上部に開口穴
が設けられ表面をコーティング剤によりコーティングさ
れた虱と、該島の下部開口穴に装着さ牡た陽極端子とに
より、セパレータを挾んで対向位置にある陰極活物質、
陽極活物質と電解液を内包し、前記陰極端子は前記本の
開口穴に嵌入され、該亀の内側に突出する前記環状カシ
メ部を加締めることによつ該阪に固定されることを特徴
とする偏平型電池。
A cathode terminal having an annular caulking part at the bottom, a louse having an opening hole at the top and coated with a coating agent, and an anode terminal attached to the opening hole at the bottom of the island face each other with a separator in between. cathode active material in position,
The book contains an anode active material and an electrolyte, and the cathode terminal is fitted into the opening hole of the book and fixed to the book by crimping the annular caulked part protruding inside the book. Flat type battery.
JP56208873A 1981-12-23 1981-12-23 Flat battery Pending JPS58111254A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56208873A JPS58111254A (en) 1981-12-23 1981-12-23 Flat battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56208873A JPS58111254A (en) 1981-12-23 1981-12-23 Flat battery

Publications (1)

Publication Number Publication Date
JPS58111254A true JPS58111254A (en) 1983-07-02

Family

ID=16563526

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56208873A Pending JPS58111254A (en) 1981-12-23 1981-12-23 Flat battery

Country Status (1)

Country Link
JP (1) JPS58111254A (en)

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