JP2002352790A - Sealing battery - Google Patents

Sealing battery

Info

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Withdrawn
Application number
JP2001157617A
Other languages
Japanese (ja)
Inventor
Hideto Itano
秀人 板野
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.)
Maxell Holdings Ltd
Original Assignee
Hitachi Maxell 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 Hitachi Maxell Ltd filed Critical Hitachi Maxell Ltd
Priority to JP2001157617A priority Critical patent/JP2002352790A/en
Publication of JP2002352790A publication Critical patent/JP2002352790A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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

  • Connection Of Batteries Or Terminals (AREA)

Abstract

PROBLEM TO BE SOLVED: To enable a current collector and a sealing body to be connected electrically to each other, without having to weld them. SOLUTION: A spring member 11, comprising of a conductive compressed coil spring and so forth, is arranged between a positive current collector 8 in a battery case 2 and a sealing body 4, which concurrently serves as a positive terminal, attached to the opening of the battery case 2. Then by having both ends of the spring member 11 pressed against the positive current collector 8 and the sealing body 4 respectively by the spring force of the spring member 11, the positive current collector 8 and the sealing body 4 are electrically connected to each other.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【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.

【図面の簡単な説明】[Brief description of the drawings]

【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.

【符号の説明】[Explanation of symbols]

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)

【特許請求の範囲】[Claims] 【請求項1】 電池ケース内に装填した集電体と、前記
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.
【請求項2】 前記ばね部材が、圧縮コイルばねからな
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.
JP2001157617A 2001-05-25 2001-05-25 Sealing battery Withdrawn JP2002352790A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (9)

* Cited by examiner, † Cited by third party
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

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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

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Effective date: 20070711

A300 Withdrawal of application because of no request for examination

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Effective date: 20080805