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JPS633091Y2 - - Google Patents

Info

Publication number
JPS633091Y2
JPS633091Y2 JP1981023778U JP2377881U JPS633091Y2 JP S633091 Y2 JPS633091 Y2 JP S633091Y2 JP 1981023778 U JP1981023778 U JP 1981023778U JP 2377881 U JP2377881 U JP 2377881U JP S633091 Y2 JPS633091 Y2 JP S633091Y2
Authority
JP
Japan
Prior art keywords
negative electrode
gap
current collector
battery
positive
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.)
Expired
Application number
JP1981023778U
Other languages
Japanese (ja)
Other versions
JPS57136168U (en
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 filed Critical
Priority to JP1981023778U priority Critical patent/JPS633091Y2/ja
Priority to US06/345,398 priority patent/US4587180A/en
Priority to DE19823204261 priority patent/DE3204261A1/en
Priority to GB8203752A priority patent/GB2096391B/en
Priority to FR8202037A priority patent/FR2499771B1/en
Publication of JPS57136168U publication Critical patent/JPS57136168U/ja
Application granted granted Critical
Publication of JPS633091Y2 publication Critical patent/JPS633091Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • Y02E60/12

Landscapes

  • Primary Cells (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Description

【考案の詳細な説明】 本考案はリチウム、ナトリウムなどの軽金属を
負極活物質として用いる非水電池に関するもので
ある。
[Detailed Description of the Invention] The present invention relates to a non-aqueous battery that uses light metals such as lithium and sodium as negative electrode active materials.

この種電池は高電圧、高エネルギー密度を有す
るという利点のために銀電池や水銀電池に置代つ
て電卓、電子時計の電源として利用されつつあ
り、更に最近に至つては電子回路のメモリー用電
源特に停電時のメモリーバツクアツプ電源として
も利用されようとしているが、この場合電池は電
子部品と同様にプリント基板に組込む方式がとら
れるため電池の正、負極端子を兼ねる正、負極缶
に夫々接続片を取付ける必要がある。
Due to the advantages of high voltage and high energy density, this type of battery is increasingly being used as a power source for calculators and electronic watches, replacing silver batteries and mercury batteries, and more recently, it has also been used as a power source for memory in electronic circuits. In particular, it is being used as a memory backup power source during power outages, but in this case, the battery is built into a printed circuit board like electronic components, so it is connected to the positive and negative terminals of the battery, which also serve as the positive and negative terminals, respectively. You need to install the pieces.

ここで、特に負極が負極缶の内面に直接或いは
熱伝導性の良好な負極集電体を介して圧着される
構造、例えばボタン型の非水電池においては、負
極缶の外面に接続片の一端をスポツト溶接により
溶着する際に、スポツト溶接時の熱によつて、特
に溶接点の対向位置において融点に低い負極(リ
チウム180℃、ナトリウム98℃)が溶融し、それ
に伴つて正、負極間を隔離するセパレータも溶融
して内部短絡を引越すという不都合がある。
Here, in particular, in a structure in which the negative electrode is crimped to the inner surface of the negative electrode can directly or via a negative electrode current collector with good thermal conductivity, such as a button-type nonaqueous battery, one end of the connection piece is attached to the outer surface of the negative electrode can. When welding by spot welding, the negative electrode (lithium 180°C, sodium 98°C), which has a low melting point, melts due to the heat during spot welding, especially at the position opposite the welding point, and as a result, the gap between the positive and negative electrodes melts. Disadvantageously, the isolating separator also melts and removes internal short circuits.

本考案は上記問題点に鑑みてなされたものであ
り、接続片の溶着時における負極への熱的影響を
防止することを目的とするものである。
The present invention has been made in view of the above-mentioned problems, and its purpose is to prevent thermal effects on the negative electrode during welding of the connecting piece.

以下本考案の一実施例を図面に基づき説明す
る。
An embodiment of the present invention will be described below based on the drawings.

第1図において1は正極缶であつてその内底面
には正極集電体2を介して、例えば二酸化マンガ
ンを活物質とする正極3が配置されている。4は
負極缶であつてその内底面にはステンレス金網よ
りなる負極集電体5がスポツト溶接により固着さ
れており、この負極集電体5にリチウム圧延板よ
りなる負極6が圧着されている。ここで負極6は
環状に成型されており負極缶4と負極6との間の
一部に前記環状に対応する空隙7が形成されてい
る。8は所定量の非水系電解液を含侵保持せしめ
たセパレータであり、ポリプロピレン不織布より
なる。9は正、負極缶を絶縁する絶縁パツキング
である。
In FIG. 1, reference numeral 1 denotes a positive electrode can, and a positive electrode 3 made of, for example, manganese dioxide as an active material is disposed on the inner bottom surface of the can with a positive electrode current collector 2 interposed therebetween. Reference numeral 4 denotes a negative electrode can, to the inner bottom of which a negative electrode current collector 5 made of stainless wire mesh is fixed by spot welding, and to this negative electrode current collector 5 a negative electrode 6 made of a rolled lithium plate is crimped. Here, the negative electrode 6 is formed into an annular shape, and a gap 7 corresponding to the annular shape is formed in a part between the negative electrode can 4 and the negative electrode 6. A separator 8 is impregnated with and retained a predetermined amount of a nonaqueous electrolyte, and is made of a polypropylene nonwoven fabric. 9 is an insulating packing that insulates the positive and negative electrode cans.

10,11は夫々正、負極缶の外面にスポツト
溶接により溶着される第1、第2の接続片であつ
て、例えばニツケル板或いはニツケルメツキ鉄板
よりなり、特に第2の接続片11はその一端を前
記空隙7に対向する負極缶4の外面部にスポツト
溶接により溶着12している。
Reference numerals 10 and 11 denote first and second connecting pieces that are welded by spot welding to the outer surfaces of the positive and negative electrode cans, respectively, and are made of, for example, a nickel plate or a nickel-plated iron plate. It is welded 12 to the outer surface of the negative electrode can 4 facing the gap 7 by spot welding.

又、第2図は他の実施例による負極6′を示し、
負極缶或いは負極集電体との当接面側に凹部13
が形設されており、この場合にも負極缶と負極と
の間の一部に前記凹部に対する空隙が形成される
ことになり、この空隙部に対向する負極缶の外面
部に接続片の一端が溶着される。
Moreover, FIG. 2 shows a negative electrode 6' according to another embodiment,
A recess 13 is provided on the side of the contact surface with the negative electrode can or negative electrode current collector.
In this case as well, a gap for the recess is formed in a part between the negative electrode can and one end of the connecting piece is formed on the outer surface of the negative electrode can facing this gap. is welded.

このような構造の本考案電池は第3図に示すよ
うに一対の接続片10,11をプリント基板20
に挿入して後、他の部品と共にハンダ付してプリ
ント基板20に組込まれる。
As shown in FIG.
After inserting it into the PC board 20, it is soldered together with other parts and assembled into the printed circuit board 20.

以上詳述したように本考案によれば、リチウ
ム、ナトリウムなどの軽金属を活物質とする負極
を備えた非水電池において、負極缶の内面に直接
或いは負極集電体を介して環状若しくは凹部を形
設した負極を圧着して負極缶と負極との間の一部
に前記環状若しくは凹部に対応する空隙を形成
し、この空隙に対向する負極缶の外面部に接続片
の一端を溶着するものであるので、接続片の取付
の際スポツト溶接点に対向する位置に負極が存在
しないため負極への熱的影響は防止され、負極の
溶融に伴うセパレータの溶融を因とする内部短絡
は阻止することができる。
As detailed above, according to the present invention, in a non-aqueous battery equipped with a negative electrode made of a light metal such as lithium or sodium as an active material, an annular or recessed portion can be formed on the inner surface of the negative electrode can directly or through a negative electrode current collector. The formed negative electrode is crimped to form a gap corresponding to the annular or recessed part between the negative electrode can and the negative electrode, and one end of the connecting piece is welded to the outer surface of the negative electrode can facing this gap. Therefore, since there is no negative electrode in the position opposite to the spot welding point when installing the connecting piece, thermal influence on the negative electrode is prevented, and internal short circuits caused by melting of the separator due to melting of the negative electrode are prevented. be able to.

尚、本考案はリチウム、ナトリウムなどの軽金
属よりなる負極が負極缶の内面に直接或いは負極
集電体を介して圧着される構造の電池であれば適
用しうるものであり、実施例で示したように電解
液を用いるものに限定されず固体電解液を用いる
固体電池にも適用しうる。
The present invention can be applied to any battery in which a negative electrode made of a light metal such as lithium or sodium is crimped to the inner surface of a negative electrode can either directly or via a negative electrode current collector, and the present invention is applicable to any battery having a structure in which a negative electrode made of a light metal such as lithium or sodium is crimped onto the inner surface of a negative electrode can or through a negative electrode current collector. The present invention is not limited to those using an electrolyte as described above, but can also be applied to solid batteries using a solid electrolyte.

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

図面はいづれも本考案に係り、第1図は本案電
池の断面図、第2図は他の実施例による負極の断
面図、第3図は本案電池のプリント基板に取付け
た状態を示す図である。 1……正極缶、2……正極集電体、3……正
極、4……負極缶、6……負極集電体、6,6′
……負極、7……空隙、8……セパレータ、9…
…絶縁パツキング、10,11……接続片、20
……プリント基板。
The drawings are all related to the present invention; Figure 1 is a sectional view of the battery of the present invention, Figure 2 is a sectional view of a negative electrode according to another embodiment, and Figure 3 is a diagram showing the battery of the present invention installed on a printed circuit board. be. 1... Positive electrode can, 2... Positive electrode current collector, 3... Positive electrode, 4... Negative electrode can, 6... Negative electrode current collector, 6, 6'
...Negative electrode, 7...Gap, 8...Separator, 9...
... Insulation packing, 10, 11 ... Connection piece, 20
……Printed board.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] リチウム、ナトリウムなどの軽金属を活物質と
する負極を備えた非水電池において、負極缶4の
内面に直接或いは負極集電体5を介して環状若し
くは凹部を形設した負極6を圧着して前記負極缶
4と負極6との間の一部に前記環状若しくは凹部
に対応する空隙7を形成し、該空隙7に対向する
前記負極缶4の外面部に接続片11の一端を溶着
してなる接続片付非水電池。
In a non-aqueous battery equipped with a negative electrode using a light metal such as lithium or sodium as an active material, a negative electrode 6 having a ring shape or a recess formed therein is crimped onto the inner surface of the negative electrode can 4 directly or via a negative electrode current collector 5. A gap 7 corresponding to the annular or concave portion is formed in a part between the negative electrode can 4 and the negative electrode 6, and one end of the connecting piece 11 is welded to the outer surface of the negative electrode can 4 facing the gap 7. Non-aqueous battery with connections.
JP1981023778U 1981-02-10 1981-02-20 Expired JPS633091Y2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1981023778U JPS633091Y2 (en) 1981-02-20 1981-02-20
US06/345,398 US4587180A (en) 1981-02-10 1982-02-03 Non-aqueous cell having connecting tabs
DE19823204261 DE3204261A1 (en) 1981-02-10 1982-02-08 NON-AQUEOUS CELL
GB8203752A GB2096391B (en) 1981-02-10 1982-02-09 Non-aqueous electric cells
FR8202037A FR2499771B1 (en) 1981-02-10 1982-02-09 NON-AQUEOUS BATTERY HAVING CONNECTING TABS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981023778U JPS633091Y2 (en) 1981-02-20 1981-02-20

Publications (2)

Publication Number Publication Date
JPS57136168U JPS57136168U (en) 1982-08-25
JPS633091Y2 true JPS633091Y2 (en) 1988-01-26

Family

ID=29821524

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981023778U Expired JPS633091Y2 (en) 1981-02-10 1981-02-20

Country Status (1)

Country Link
JP (1) JPS633091Y2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0644483B2 (en) * 1983-03-16 1994-06-08 日立マクセル株式会社 Flat type lithium battery with lead terminal
JPS59228370A (en) * 1983-06-10 1984-12-21 Matsushita Electric Ind Co Ltd Nonaqueous electrolyte secondary battery
JPS6116863U (en) * 1984-07-05 1986-01-31 富士電気化学株式会社 Flat non-aqueous electrolyte battery with lead terminals

Also Published As

Publication number Publication date
JPS57136168U (en) 1982-08-25

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