JP2002352790A - Sealing battery - Google Patents
Sealing batteryInfo
- Publication number
- JP2002352790A JP2002352790A JP2001157617A JP2001157617A JP2002352790A JP 2002352790 A JP2002352790 A JP 2002352790A JP 2001157617 A JP2001157617 A JP 2001157617A JP 2001157617 A JP2001157617 A JP 2001157617A JP 2002352790 A JP2002352790 A JP 2002352790A
- Authority
- JP
- Japan
- Prior art keywords
- current collector
- spring member
- sealing body
- battery
- battery case
- 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.)
- Withdrawn
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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、アルカリ電池など
の密封型電池に関し、電池ケース内に装填した集電体
と、電池ケースの開口部に取り付ける封口体とを接続す
るばね部材を改良したものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealed battery such as an alkaline battery, and more particularly, to an improved spring member for connecting a current collector loaded in a battery case to a sealing member attached to an opening of the battery case. It is.
【０００２】[0002]
【従来の技術】密封型電池は、例えば図２に示すごと
く、電池ケース２内に、正負の電極体５・６および正電
極体５に接続された正極集電体２１などが装填されてお
り、電池ケース２の開口部には、正極端子を兼ねる封口
体４が取り付けられている。従来の密封型電池は、図２
に示すごとく正極集電体２１に一体成形された連結部２
１ａを封口体４に溶接し、あるいは図３に示すごとく連
結板２２を正極集電体２１と封口体４とにそれぞれ溶接
することで、正極集電体２１と封口体４とを電気的に接
続していた。2. Description of the Related Art In a sealed battery, for example, as shown in FIG. 2, a battery case 2 is loaded with positive and negative electrode bodies 5, 6 and a positive electrode current collector 21 connected to the positive electrode body 5. A sealing member 4 also serving as a positive electrode terminal is attached to the opening of the battery case 2. A conventional sealed battery is shown in FIG.
As shown in the figure, the connecting portion 2 integrally formed with the positive electrode current collector 21
1a is welded to the sealing body 4 or the connecting plate 22 is welded to the cathode current collector 21 and the sealing body 4 as shown in FIG. 3, thereby electrically connecting the cathode current collector 21 and the sealing body 4 to each other. I was connected.
【０００３】[0003]
【発明が解決しようとする課題】従来の密封型電池で
は、正極集電体２１と封口体４との電気的な接続に溶接
工程が必要なため、その溶接工程が存在する分だけ電池
の製造に手間と時間とが掛かってしまい、電池の生産性
を向上できないところに問題があった。In the conventional sealed type battery, since a welding process is required for the electrical connection between the positive electrode current collector 21 and the sealing body 4, the production of the battery is limited by the presence of the welding process. However, it takes time and effort, and there is a problem in that the productivity of the battery cannot be improved.
【０００４】本発明の目的は、溶接しなくても集電体と
封口体とを電気的に接続できる密封型電池を得ることに
ある。An object of the present invention is to provide a sealed battery that can electrically connect a current collector and a sealing body without welding.
【０００５】[0005]
【課題を解決するための手段】本発明が対象とする密封
型電池は、電池ケース２内に装填した集電体８と、電池
ケース２の開口部に取り付けた封口体４との間に、導電
性を有するばね部材１１が配置されていることを特徴と
する。具体的には、ばね部材１１が圧縮コイルばねから
なる。According to the present invention, a sealed battery is provided between a current collector 8 loaded in a battery case 2 and a sealing body 4 attached to an opening of the battery case 2. A spring member 11 having conductivity is provided. Specifically, the spring member 11 is formed of a compression coil spring.
【０００６】[0006]
【発明の作用効果】本発明の密封型電池は、ばね部材１
１の弾発力によって、ばね部材１１の両端が正極集電体
８と封口体４とにそれぞれ押し付けられて強く接触して
いるので、従来のごとくいちいち溶接しなくても、ばね
部材１１を介して正極集電体８と封口体４とが確実に導
通する。従って、電池１の製造の手間と時間とが軽減さ
れて、電池１の生産性が向上する。The sealed battery of the present invention has a spring member 1
Due to the elastic force of 1, both ends of the spring member 11 are pressed against and strongly contact the positive electrode current collector 8 and the sealing body 4, respectively. As a result, the positive electrode current collector 8 and the sealing body 4 are reliably conducted. Therefore, the labor and time for manufacturing the battery 1 are reduced, and the productivity of the battery 1 is improved.
【０００７】[0007]
【発明の実施の形態】図１は、密封型電池１が筒形のア
ルカリ電池であり、電池１は、上面が開口する筒形の電
池ケース２と、この電池ケース２の開口部に絶縁体３を
介して取り付けられる封口体４とを有する。電池ケース
２内には、正負の電極体５・６と、電解液７と、正負極
の金属板製集電体８・９などが装填されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a sealed alkaline battery 1 which is a cylindrical alkaline battery. The battery 1 has a cylindrical battery case 2 having an open upper surface, and an insulator provided at the opening of the battery case 2. And a sealing body 4 attached via the base 3. In the battery case 2, positive and negative electrode bodies 5 and 6, an electrolytic solution 7, and positive and negative electrode metal plate current collectors 8 and 9 are loaded.
【０００８】封口体４は、上部の外面側に固定したキャ
ップ４ａと、キャップ４ａ内に配置されて、封口体４に
穿設のガス通口４ｂをガス抜き可能に密閉するゴム弁体
４ｃとを有する。正負の電極体５・６は、セパレータ１
０を挟んで渦巻状に巻回してある。負極集電体９は、電
池ケース２の内低面に対して接触配置されて負電極体６
と電気的に接続されており、電池ケース２が負極端子を
兼ねる。The sealing member 4 includes a cap 4a fixed to the outer surface of the upper portion, a rubber valve member 4c disposed in the cap 4a, and sealing the gas passage 4b formed in the sealing member 4 so that the gas can be vented. Having. The positive and negative electrode bodies 5 and 6 are connected to the separator 1
It is spirally wound around 0. The negative electrode current collector 9 is disposed in contact with the inner lower surface of the battery case 2 and
And the battery case 2 also serves as a negative electrode terminal.
【０００９】正極集電体８は、正電極体５よりも上部の
電池ケース２の開口部側に配置されており、正極集電体
８と正電極体５とが電気的に接続される。この正極集電
体８と封口体４との間には、ばね部材として導電性の圧
縮コイルばね１１が配置される。The positive electrode current collector 8 is arranged on the opening side of the battery case 2 above the positive electrode body 5, and the positive electrode current collector 8 and the positive electrode body 5 are electrically connected. A conductive compression coil spring 11 is disposed between the positive electrode current collector 8 and the sealing body 4 as a spring member.
【００１０】ばね部材１１の弾発力によって、ばね部材
１１の両端が正極集電体８と封口体４とにそれぞれ押し
付けられて、ばね部材１１と正極集電体８、およびばね
部材１１と封口体４とが強く接触する。これによって正
極集電体８と封口体４とがばね部材１１を介して確実に
導通する。なお、封口体４は正極端子を兼ねる。また、
ばね部材１１は、図外の係止手段などによって電池ケー
ス２の内面に接触しないようになっている。Due to the resiliency of the spring member 11, both ends of the spring member 11 are pressed against the positive electrode current collector 8 and the sealing member 4, respectively, and the spring member 11 and the positive electrode current collector 8, and the spring member 11 and the sealing member are closed. Strong contact with body 4. Thereby, the positive electrode current collector 8 and the sealing body 4 are reliably conducted through the spring member 11. Note that the sealing body 4 also serves as a positive electrode terminal. Also,
The spring member 11 does not come into contact with the inner surface of the battery case 2 by a locking means (not shown) or the like.
【００１１】ばね部材１１としては、圧縮コイルばねが
好適であるが、導電性の板ばねや皿ばねなどであっても
よい。The spring member 11 is preferably a compression coil spring, but may be a conductive leaf spring or disc spring.
【図１】本発明に係る密封型電池の縦断面図である。FIG. 1 is a longitudinal sectional view of a sealed battery according to the present invention.
【図２】従来例の縦断面図である。FIG. 2 is a longitudinal sectional view of a conventional example.
【図３】他の従来例の縦断面図である。FIG. 3 is a longitudinal sectional view of another conventional example.
１ 電池 ２ 電池ケース ４ 封口体 ８ 正極集電体 １１ ばね部材 DESCRIPTION OF SYMBOLS 1 Battery 2 Battery case 4 Sealing body 8 Positive electrode collector 11 Spring member
Claims (2)
電池ケースの開口部に取り付けた封口体との間に、導電
性を有するばね部材を配置し、前記ばね部材によって前
記集電体と前記封口体とが電気的に接続されていること
を特徴とする密封型電池。1. A conductive spring member is disposed between a current collector loaded in a battery case and a sealing body attached to an opening of the battery case, and the current collector is provided by the spring member. And the sealing member are electrically connected to each other.
る請求項１記載の密封型電池。2. The sealed battery according to claim 1, wherein the spring member comprises a compression coil spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001157617A JP2002352790A (en) | 2001-05-25 | 2001-05-25 | Sealing battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001157617A JP2002352790A (en) | 2001-05-25 | 2001-05-25 | Sealing battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002352790A true JP2002352790A (en) | 2002-12-06 |
Family
ID=19001452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001157617A Withdrawn JP2002352790A (en) | 2001-05-25 | 2001-05-25 | Sealing battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002352790A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008066302A (en) * | 2006-09-05 | 2008-03-21 | Saft Groupe Sa | Storage battery and its manufacturing method |
| US20100305629A1 (en) * | 2009-05-29 | 2010-12-02 | Lund Jeffrey S | Elongate battery for implantable medical device |
| WO2011099491A1 (en) * | 2010-02-09 | 2011-08-18 | 三菱重工業株式会社 | Secondary cell, and production device and production method for secondary cell |
| CN115051123A (en) * | 2022-08-11 | 2022-09-13 | 楚能新能源股份有限公司 | Full utmost point ear electricity core structure |
-
2001
- 2001-05-25 JP JP2001157617A patent/JP2002352790A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008066302A (en) * | 2006-09-05 | 2008-03-21 | Saft Groupe Sa | Storage battery and its manufacturing method |
| US20100305629A1 (en) * | 2009-05-29 | 2010-12-02 | Lund Jeffrey S | Elongate battery for implantable medical device |
| CN102448545A (en) * | 2009-05-29 | 2012-05-09 | 麦德托尼克公司 | Elongate battery for implantable medical device |
| US9099720B2 (en) * | 2009-05-29 | 2015-08-04 | Medtronic, Inc. | Elongate battery for implantable medical device |
| US9362570B2 (en) | 2009-05-29 | 2016-06-07 | Medtronic, Inc. | Elongate battery for implantable medical device |
| WO2011099491A1 (en) * | 2010-02-09 | 2011-08-18 | 三菱重工業株式会社 | Secondary cell, and production device and production method for secondary cell |
| JP2011165475A (en) * | 2010-02-09 | 2011-08-25 | Mitsubishi Heavy Ind Ltd | Secondary cell and apparatus and production method for secondary cell |
| KR101330915B1 (en) | 2010-02-09 | 2013-11-18 | 미츠비시 쥬고교 가부시키가이샤 | Secondary cell, and production device and production method for secondary cell |
| CN115051123A (en) * | 2022-08-11 | 2022-09-13 | 楚能新能源股份有限公司 | Full utmost point ear electricity core structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20061101 |
|
| RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20070711 |
|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20080805 |