JPH06333544A - Manufacture of lithium battery - Google Patents
Manufacture of lithium batteryInfo
- Publication number
- JPH06333544A JPH06333544A JP5148482A JP14848293A JPH06333544A JP H06333544 A JPH06333544 A JP H06333544A JP 5148482 A JP5148482 A JP 5148482A JP 14848293 A JP14848293 A JP 14848293A JP H06333544 A JPH06333544 A JP H06333544A
- Authority
- JP
- Japan
- Prior art keywords
- negative electrode
- lithium battery
- electrode plate
- positive electrode
- lid
- 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.)
- Granted
Links
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はリチウム電池の製造方法
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a lithium battery.
【０００２】[0002]
【従来の技術】リチウム電池は高電圧が得られるという
点で注目されているが、近年は正極板、負極板およびセ
パレータからなる極群を複数個積層して大容量化したも
のが注目されている。2. Description of the Related Art Lithium batteries have been attracting attention because they can provide high voltage, but in recent years, a lithium battery having a large capacity by stacking a plurality of electrode groups each composed of a positive electrode plate, a negative electrode plate and a separator has been attracting attention. There is.
【０００３】上記した大容量化したリチウム電池は、正
極板および負極板から引き出されたリード線を金属リン
グの一端から挿通させた後前記金属リングを圧潰し、金
属リングの他端から突出し前記リード線を対応する極性
の端子にスポット溶接するとともに、蓋と電槽とを密封
して製造されていた。In the above-mentioned lithium battery having a large capacity, the lead wires drawn out from the positive electrode plate and the negative electrode plate are inserted from one end of the metal ring, and then the metal ring is crushed, and the lead is projected from the other end of the metal ring. The wire was spot-welded to the corresponding polar terminal, and the lid and the battery case were hermetically sealed.
【０００４】[0004]
【発明が解決しようとする課題】上記した従来のリチウ
ム電池の製造方法では、積層する極群数が多くなると、
スポット溶接の作業が煩雑になってスポット溶接が不完
全になるという問題や、製造コストが高くなるという問
題があった。In the conventional method for manufacturing a lithium battery described above, if the number of pole groups to be stacked increases,
There are problems that the spot welding work becomes complicated and the spot welding becomes incomplete, and that the manufacturing cost increases.
【０００５】また、リチウム電池に用いる電解液は、引
火性、発火性が強いため、スポット溶接時のスパークに
よって発火するという危険性を有していた。Further, since the electrolytic solution used for the lithium battery has a strong flammability and an ignitability, there is a risk that it is ignited by a spark during spot welding.
【０００６】[0006]
【課題を解決するための手段】上記課題を解決するた
め、本発明は、正極板、負極板およびセパレータからな
る極群を複数個積層して電槽内に収納するともに、前記
正極板および負極板からリード線を引き出してなる電槽
体と、正極端子リングおよび負極端子リングが気密的に
取り付けられてなる蓋体とを準備し、前記リード線を、
その極性に対応する各端子リングに挿通して溶接すると
ともに、電槽体を蓋体によって密封することを特徴とす
るものである。In order to solve the above-mentioned problems, according to the present invention, a plurality of electrode groups composed of a positive electrode plate, a negative electrode plate and a separator are stacked and housed in a battery case, and the positive electrode plate and the negative electrode are A battery case body obtained by pulling out a lead wire from a plate and a lid body in which a positive electrode terminal ring and a negative electrode terminal ring are hermetically attached are prepared, and the lead wire is
It is characterized in that it is inserted into each terminal ring corresponding to the polarity and welded, and the battery case body is sealed by a lid body.
【０００７】[0007]
【作 用】従って、本発明は、電槽内の極群の正極板お
よび負極板から引き出したリード線を、蓋体の正極端子
リングおよび負極端子リングに挿通して溶接しているの
で、確実に接続することができる。[Operation] Therefore, according to the present invention, since the lead wires drawn from the positive electrode plate and the negative electrode plate of the electrode group in the battery case are inserted into the positive electrode terminal ring and the negative electrode terminal ring of the lid body and welded, Can be connected to.
【０００８】また、本発明は電槽体の上に蓋体を配して
からリード線を溶接することができるので、溶接時のス
パークによって電解液が発火するという問題を解消する
ことができる。Further, according to the present invention, since the lead wire can be welded after disposing the lid on the battery case, it is possible to solve the problem that the electrolytic solution is ignited by the spark at the time of welding.
【０００９】[0009]
【実施例】図１は、本発明のリチウム電池の製造方法を
説明するための断面図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a sectional view for explaining a method for manufacturing a lithium battery of the present invention.
【００１０】図１において、電槽体Ａは、二酸化マンガ
ンを主体とし、シート状に成形した正極活物質１−１を
正極集電体１−２に圧着した正極板１と、金属リチウム
からなり、シート状に成形した負極活物質２−１を負極
集電体２−２に圧着した負極板２とをセパレータ３を介
在させて得た極群が複数個積層され、電槽４に収納して
なるもので、前記集電体１−２，２−２からはリード線
１−３，２−３が引き出されてなる。また、蓋体Ｂは、
蓋７に正極端子リング５、負極端子リング６が気密的に
取り付けられてなる。In FIG. 1, a battery case A is mainly composed of manganese dioxide, and is composed of a positive electrode plate 1 in which a sheet-shaped positive electrode active material 1-1 is pressure bonded to a positive electrode current collector 1-2, and metallic lithium. A plurality of electrode groups obtained by interposing a separator 3 with a negative electrode plate 2 obtained by pressure bonding a sheet-shaped negative electrode active material 2-1 to a negative electrode current collector 2-2 are stacked and stored in a battery case 4. The lead wires 1-3 and 2-3 are drawn out from the current collectors 1-2 and 2-2. The lid B is
A positive electrode terminal ring 5 and a negative electrode terminal ring 6 are hermetically attached to the lid 7.
【００１１】上記した電槽体Ａのリード線１−３を蓋体
Ｂの正極端子リング５に、電槽体Ａのリード線２−３を
蓋体Ｂの負極端子リング６に挿通して溶接するととも
に、前記電槽体Ａを蓋体Ｂによって密封して完成電池と
する。The lead wire 1-3 of the battery case A described above is inserted into the positive electrode terminal ring 5 of the lid B, and the lead wire 2-3 of the battery case A is inserted into the negative electrode terminal ring 6 of the lid B and welded. At the same time, the battery case A is sealed by the lid B to complete the battery.
【００１２】上記実施例におけるリード線１−３，２−
３にステンレスからなる網線を使用すると、電槽体Ａの
上に蓋体Ｂを配した時にリード線１−３，２−３が容易
に折り曲がるので、作業性を向上させることができる。The lead wires 1-3 and 2- in the above embodiment
When a mesh wire made of stainless steel is used for 3, the lead wires 1-3 and 2-3 are easily bent when the lid B is placed on the battery case A, so that workability can be improved.
【００１３】上記した製造方法によって得られたリチウ
ム電池は、電解液の近くで溶接することがないので、電
池の製造時に電解液が発火するという問題を解消するこ
とができる。Since the lithium battery obtained by the above-mentioned manufacturing method does not weld near the electrolytic solution, the problem that the electrolytic solution ignites at the time of manufacturing the battery can be solved.
【００１４】また、上記した製造方法によって得られた
リチウム電池は、リード線１−３を正極端子リング５
に、リード線２−３を負極端子リング６に挿通して溶接
しているので、断線といった問題を解消することができ
る。In the lithium battery obtained by the above manufacturing method, the lead wire 1-3 is connected to the positive terminal ring 5.
In addition, since the lead wire 2-3 is inserted into the negative electrode terminal ring 6 and welded, the problem of disconnection can be solved.
【００１５】[0015]
【発明の効果】上記したとおりであるから、本発明はリ
チウム電池の生産性を向上させることができる。As described above, the present invention can improve the productivity of lithium batteries.
【図１】本発明のリチウム電池の製造方法を説明するた
めの断面図である。FIG. 1 is a cross-sectional view for explaining a method for manufacturing a lithium battery of the present invention.
１ 正極板 ２ 負極板 ３ セパレータ ４ 電槽 ５ 正極端子リング ６ 負極端子リング ７ 蓋 1 Positive Plate 2 Negative Plate 3 Separator 4 Battery Case 5 Positive Terminal Ring 6 Negative Terminal Ring 7 Lid
Claims (2)
る極群を複数個積層して電槽内に収納するとともに、前
記正極板および負極板からリード線を引き出してなる電
槽体と、正極端子リングおよび負極端子リングが気密的
に取り付けられてなる蓋体とを準備し、前記リード線
を、その極性に対応する各端子リングに挿通して溶接す
るとともに、電槽体を蓋体によって密封することを特徴
とするリチウム電池の製造方法。1. A battery case body in which a plurality of electrode groups each composed of a positive electrode plate, a negative electrode plate and a separator are stacked and housed in a battery case, and a lead wire is drawn from the positive electrode plate and the negative electrode plate, and a positive electrode terminal. A ring and a lid body to which a negative electrode terminal ring is attached in an airtight manner are prepared, the lead wire is inserted into each terminal ring corresponding to the polarity and welded, and the battery case body is sealed by the lid body. A method for manufacturing a lithium battery, comprising:
る請求項第１項記載のリチウム電池の製造方法。2. The method for manufacturing a lithium battery according to claim 1, wherein the lead wire is composed of a mesh wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14848293A JP3264339B2 (en) | 1993-05-26 | 1993-05-26 | Method of manufacturing lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14848293A JP3264339B2 (en) | 1993-05-26 | 1993-05-26 | Method of manufacturing lithium battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06333544A true JPH06333544A (en) | 1994-12-02 |
| JP3264339B2 JP3264339B2 (en) | 2002-03-11 |
Family
ID=15453749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14848293A Expired - Fee Related JP3264339B2 (en) | 1993-05-26 | 1993-05-26 | Method of manufacturing lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3264339B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0772251A1 (en) * | 1995-11-06 | 1997-05-07 | VARTA Batterie Aktiengesellschaft | Galvanic cell with electrode current collectors in the form of wires |
| EP0948065A1 (en) * | 1998-03-30 | 1999-10-06 | Renata AG | Safety vent for accumulator or battery |
| US8027149B2 (en) | 2008-05-06 | 2011-09-27 | Greatbatch Ltd. | Electrolytic capacitors with multiple anodes and anode lead configurations thereof |
| KR20120085643A (en) * | 2011-01-24 | 2012-08-01 | 에스비리모티브 주식회사 | Secondary Battery |
-
1993
- 1993-05-26 JP JP14848293A patent/JP3264339B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0772251A1 (en) * | 1995-11-06 | 1997-05-07 | VARTA Batterie Aktiengesellschaft | Galvanic cell with electrode current collectors in the form of wires |
| EP0948065A1 (en) * | 1998-03-30 | 1999-10-06 | Renata AG | Safety vent for accumulator or battery |
| US6159630A (en) * | 1998-03-30 | 2000-12-12 | Renata Ag | Safety vent for storage battery or cell |
| US8027149B2 (en) | 2008-05-06 | 2011-09-27 | Greatbatch Ltd. | Electrolytic capacitors with multiple anodes and anode lead configurations thereof |
| KR20120085643A (en) * | 2011-01-24 | 2012-08-01 | 에스비리모티브 주식회사 | Secondary Battery |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3264339B2 (en) | 2002-03-11 |
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