JPS60148058A - Battery - Google Patents
BatteryInfo
- Publication number
- JPS60148058A JPS60148058A JP404084A JP404084A JPS60148058A JP S60148058 A JPS60148058 A JP S60148058A JP 404084 A JP404084 A JP 404084A JP 404084 A JP404084 A JP 404084A JP S60148058 A JPS60148058 A JP S60148058A
- Authority
- JP
- Japan
- Prior art keywords
- winding
- current collector
- negative electrode
- pin
- plate
- 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
Links
- 238000004804 winding Methods 0.000 claims abstract description 36
- 239000011149 active material Substances 0.000 claims abstract description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- FUJCRWPEOMXPAD-UHFFFAOYSA-N lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 claims description 3
- 229910001947 lithium oxide Inorganic materials 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 239000010935 stainless steel Substances 0.000 abstract description 2
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 2
- 238000004080 punching Methods 0.000 abstract 1
- 241001185311 Lyticum Species 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/04—Cells with aqueous electrolyte
- H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
- H01M6/10—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid with wound or folded electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
【発明の詳細な説明】
（イ）産業上の利用分野
本発明は正極板と、リチウム酸いはリチウムを主体とす
る合金を活物質とする負極板とをセパレータを介して巻
回せる渦巻電極体を備えた電池に関するものである。Detailed Description of the Invention (a) Industrial Application Field The present invention provides a spiral electrode body in which a positive electrode plate and a negative electrode plate whose active material is lithium oxide or a lithium-based alloy are wound through a separator. The present invention relates to a battery equipped with.
（ロ）従来技術
体とする合金を用いる電池は高エネルギー密度を有する
ことから注目されている。そしてこの種電池は応用範囲
の拡大に伴ない高率放電可能なように渦巻電極体構造と
することが例えば特公昭５３−５６１５２号公報に開示
されている。(b) Prior Art Batteries using alloys have attracted attention because they have high energy density. For example, Japanese Patent Publication No. 53-56152 discloses that this type of battery has a spiral electrode structure to enable high rate discharge as the range of applications expands.
ところで渦巻電極体を形成するに際しては、一般的には
例えば持分１１１１３４８−１２６９１号公報の第１図
に開示されているように、巻取ビンの溝部に一方極板の
端部を挿着し、ついで一方極板にセパレータを介して他
方極板を積層した後、巻取ピ面シて、リチウム酸いはり
チクムを主体とする合金を活物質とする負極板に上記巻
取方法を適用した場合には、ニッケル極板やカドミクム
極板を用いる場合にはない特有の問題があることがわか
った。By the way, when forming a spiral electrode body, generally, as disclosed in FIG. 1 of Publication No. 1111348-12691, the end of one electrode plate is inserted into the groove of a winding bottle, Next, after laminating one electrode plate with the other electrode plate through a separator, the winding plate is turned, and when the above-mentioned winding method is applied to a negative electrode plate whose active material is an alloy mainly composed of lithium oxide and chicum. It was found that there are unique problems that do not exist when using nickel or cadmium electrode plates.
即ち、リチウム金属は粘着性、固着性を有するものであ
り他の金属と接触した場合他の金属に固着する性質があ
る。そのため前記巻取方法を適用した場合、巻取ピンと
リチクム金属が固着する仁とになり極板の巻取終了後、
渦巻電極体から巻取ピンを抜去しようとしても抜去が不
可能或いは極めて困難な状態となるため巻取作業が事実
上できないという問題がある。That is, lithium metal has adhesiveness and adhesion properties, and has the property of adhering to other metals when it comes into contact with them. Therefore, when the above-mentioned winding method is applied, the winding pin and lyticum metal become stuck together, and after winding of the electrode plate is completed,
There is a problem in that even if an attempt is made to remove the winding pin from the spiral electrode body, it becomes impossible or extremely difficult to remove it, making the winding operation virtually impossible.
（ハ）発明の目的
−本発明は負極板と負極集電体との結合構造を改良する
ことによって上記問題点を解決するものである。(c) Object of the invention - The present invention solves the above problems by improving the bonding structure between the negative electrode plate and the negative electrode current collector.
に）発明の構成
本発明は負極板を負極集電体の一側面に圧着させる際に
、負極板の巻始端部から負極集電体の一部を露出させる
ものであり、この集電体の露出部のみが巻取ピンの外＠
面及び溝部に接するため負極板と巻取ピンとの固着が阻
止され、巻取終了後渦巻電極体から巻取ピンを容易に抜
去することができるものである。B) Structure of the Invention The present invention exposes a part of the negative electrode current collector from the winding start end of the negative electrode plate when the negative electrode plate is crimped onto one side of the negative electrode current collector. Only the exposed part is outside the take-up pin @
The contact with the surface and the groove prevents the negative electrode plate from sticking to the winding pin, and the winding pin can be easily removed from the spiral electrode body after winding is completed.
（ホ）実施例 以下本発明の実施例につき図面に基づき説明する。(e) Examples Embodiments of the present invention will be described below based on the drawings.
先づ渦巻電極体の形成方法について詳述するに、第１図
において（１）はリチクム板よりなる負極板であって、
例えばステンレス製のパンチンレ゛板或いは網よりなる
負極集電体（２）の内面側に圧着されていると共に負極
板（１）の巻始端部には負極集電体（２）の一部が露出
している。この露出部（２）の寸法は第２図に示す巻取
ピン（６）の外周寸法と溝（６）の長さ寸法とを加えた
長さと同等かそれ以上に設定されている。（３）は二酸
化マンガンを活物質とする正極板であって袋状セパレー
クｆ４１にて包囲されている。First, to explain in detail the method for forming the spiral electrode body, in FIG. 1, (1) is a negative electrode plate made of a lyticum plate,
For example, it is crimped to the inner surface of the negative electrode current collector (2) made of a punched plate or mesh made of stainless steel, and a part of the negative electrode current collector (2) is exposed at the winding start end of the negative electrode plate (1). are doing. The dimensions of this exposed portion (2) are set to be equal to or greater than the sum of the outer circumferential dimension of the take-up pin (6) and the length of the groove (6) shown in FIG. (3) is a positive electrode plate using manganese dioxide as an active material, and is surrounded by a bag-like separator f41.
巻取に際しては、第２図に示す如く一対の半円形状の金
属部材＋５１（５）を若千聞隙をもって対向させてなる
巻取ピン（６）の溝部（６）に負極集電体（２）の露出
部（２）を挿入すると共にこの露出部（２）を巻取ピン
（６）の外周面に沿わせ、ついで負極板（１）上にセパ
レークＣ４）を介して正極板（３）を積層した後、巻取
ピン（６）を巻回し、巻回終了後、巻取ピン（６）を抜
去して第６図に示す渦巻電極体＋７１を得る。During winding, the negative electrode current collector (6) is inserted into the groove (6) of the winding pin (6), which is made up of a pair of semicircular metal members +51 (5) facing each other with a gap as shown in FIG. Insert the exposed part (2) of 2) and align this exposed part (2) along the outer circumferential surface of the winding pin (6), and then insert the positive electrode plate (3) onto the negative electrode plate (1) via the separator C4). ) are laminated, the winding pin (6) is wound, and after the winding is completed, the winding pin (6) is removed to obtain the spiral electrode body +71 shown in FIG.
第６図及び第４図は上記渦巻電極体（７）を用いて組立
てた零発り」電池の縦断面図及び横断面図を示し、（８
）は正極端子兼用外装缶、１９）は正極円価、叫は正極
集電体、１１υは負極端子兼用封口蓋、＠は負（へ）発
明め効果
本発明電池によれば、負極板の巻始端部に、負極板が圧
着される負極集電体の一部が露出しているため、渦巻電
極体を構成する際には負極集電体の露出部のみが巻取ビ
レと接し、負極板と巻取ピンとの接触が阻止されること
になり巻取終了後、巻取ピンを容易に抜去しうるので渦
巻電極体の製又、負極板を負極集電体の内面側に圧着す
るこ離すると云った不都合が解消される。即ち、第２図
において負極板が負極集電体の外面側に圧着さ。FIGS. 6 and 4 show a vertical cross-sectional view and a cross-sectional view of a zero-starter battery assembled using the spiral electrode body (7), and (8
) is an outer case that also serves as a positive electrode terminal, 19) is a positive electrode price, 11 is a positive electrode current collector, 11υ is a sealing lid that also serves as a negative electrode terminal, @ is a negative electrode terminal effect, and according to the invention battery, the winding of a negative electrode plate. Since a part of the negative electrode current collector to which the negative electrode plate is crimped is exposed at the starting end, when forming the spiral electrode body, only the exposed part of the negative electrode current collector comes into contact with the winding fin, and the negative electrode plate Since contact with the winding pin is prevented and the winding pin can be easily removed after winding is completed, it is difficult to manufacture the spiral electrode body or press the negative electrode plate to the inner surface of the negative electrode current collector. Then, the above mentioned inconvenience will be resolved. That is, in FIG. 2, the negative electrode plate is crimped onto the outer surface of the negative electrode current collector.
れている場合、巻取ピンを巻回させると負極板が負極集
電体から脱離しやすいとＬ・う不都合がある。If the negative electrode plate is easily detached from the negative electrode current collector when the winding pin is wound, there is an inconvenience.
図面はいずれも本発明に係り、第１図は正、負極板の斜
視図、第２図は巻回工程を示す図、第６図及びｈ４４図
ｉＦ電池の縦断面図及び横断面図を夫々示す。
（１）・・・リチクム負極板、（２）・・・負極集電体
、（２）・・・露出部、１３）・・・正極板、１４）・
・・セパレータ、（６）・・・巻取ピン、（６）・・・
溝部、１７１−、渦巻電極体、１８）・・・外装缶、（
９）・・・円価、１１Ｇ・・・正極集電体、（１］）・
・・封口蓋、叩・・・負極リード板、■・・・絶縁バッ
キング。
出願人三洋電機株式会社
代理人弁理士 佐 野 静 犬
第１図
第２図The drawings are all related to the present invention; FIG. 1 is a perspective view of the positive and negative electrode plates, FIG. 2 is a diagram showing the winding process, and FIGS. 6 and 44 are longitudinal and cross-sectional views of the iF battery, respectively. show. (1)...Lythicum negative electrode plate, (2)...Negative electrode current collector, (2)...Exposed part, 13)...Positive electrode plate, 14).
... Separator, (6) ... Take-up pin, (6) ...
Groove, 171-, spiral electrode body, 18)...Exterior can, (
9)... Yen price, 11G... Positive electrode current collector, (1])
...Sealing lid, hammering...Negative lead plate, ■...Insulating backing. Applicant Sanyo Electric Co., Ltd. Representative Patent Attorney Shizuka Sano Figure 1 Figure 2
Claims (1)
金を活物質とする負極板とをセパレータを介して巻回せ
る渦巻電極体を備えるものであって、前記負極板の巻始
端部には該負極板が圧着される負極集電体の一部が露出
していることを特徴とする電池。 ■ 前記集電体の露出部寸法は巻取ビンの外向寸法と溝
の長さ寸法とを加えた長さと同等かそれ以上である特許
請求の範囲第０項記載の電池。 ■ 前記負極板は前記負極集電体の内面側に圧着されて
いる特許請求の範囲第０項或いは第０項記載の電池。[Scope of Claims] ■ A spiral electrode body in which a positive electrode plate and a negative electrode plate whose active material is lithium oxide or a lithium-based alloy are wound with a separator interposed therebetween; A battery characterized in that a part of the negative electrode current collector to which the negative electrode plate is crimped is exposed at the winding start end. (2) The battery according to claim 0, wherein the dimension of the exposed portion of the current collector is equal to or longer than the sum of the outward dimension of the winding bottle and the length of the groove. (2) The battery according to claim 0 or 0, wherein the negative electrode plate is crimped to the inner surface of the negative electrode current collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP404084A JPS60148058A (en) | 1984-01-11 | 1984-01-11 | Battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP404084A JPS60148058A (en) | 1984-01-11 | 1984-01-11 | Battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60148058A true JPS60148058A (en) | 1985-08-05 |
Family
ID=11573831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP404084A Pending JPS60148058A (en) | 1984-01-11 | 1984-01-11 | Battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60148058A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63101462U (en) * | 1986-12-22 | 1988-07-01 | ||
| KR20010038135A (en) * | 1999-10-22 | 2001-05-15 | 김순택 | Cylindrical secondary battery |
| EP2365564A1 (en) | 2006-07-26 | 2011-09-14 | Eveready Battery Company, Inc. | Electrochemical cell with positive container |
| JP2012138225A (en) * | 2010-12-27 | 2012-07-19 | Hitachi Maxell Energy Ltd | Cylindrical nonaqueous electrolyte primary battery |
| JP2013025912A (en) * | 2011-07-19 | 2013-02-04 | Hitachi Ltd | Wound secondary battery and manufacturing method therefor |
| US20200185755A1 (en) | 2009-02-09 | 2020-06-11 | Varta Microbattery Gmbh | Button cells and method of producing same |
| US10804506B2 (en) | 2009-06-18 | 2020-10-13 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
-
1984
- 1984-01-11 JP JP404084A patent/JPS60148058A/en active Pending
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63101462U (en) * | 1986-12-22 | 1988-07-01 | ||
| KR20010038135A (en) * | 1999-10-22 | 2001-05-15 | 김순택 | Cylindrical secondary battery |
| EP2365564A1 (en) | 2006-07-26 | 2011-09-14 | Eveready Battery Company, Inc. | Electrochemical cell with positive container |
| US11024869B2 (en) | 2009-02-09 | 2021-06-01 | Varta Microbattery Gmbh | Button cells and method of producing same |
| US12206063B2 (en) | 2009-02-09 | 2025-01-21 | Varta Microbattery Gmbh | Button cells and method of producing same |
| US11791493B2 (en) | 2009-02-09 | 2023-10-17 | Varta Microbattery Gmbh | Button cells and method of producing same |
| US20200185755A1 (en) | 2009-02-09 | 2020-06-11 | Varta Microbattery Gmbh | Button cells and method of producing same |
| US11276875B2 (en) | 2009-02-09 | 2022-03-15 | Varta Microbattery Gmbh | Button cells and method of producing same |
| US11258092B2 (en) | 2009-02-09 | 2022-02-22 | Varta Microbattery Gmbh | Button cells and method of producing same |
| US11233264B2 (en) | 2009-02-09 | 2022-01-25 | Varta Microbattery Gmbh | Button cells and method of producing same |
| US11233265B2 (en) | 2009-02-09 | 2022-01-25 | Varta Microbattery Gmbh | Button cells and method of producing same |
| US10804506B2 (en) | 2009-06-18 | 2020-10-13 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US11024904B2 (en) | 2009-06-18 | 2021-06-01 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US11158896B2 (en) | 2009-06-18 | 2021-10-26 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US11217844B2 (en) | 2009-06-18 | 2022-01-04 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US11024907B1 (en) | 2009-06-18 | 2021-06-01 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US11024906B2 (en) | 2009-06-18 | 2021-06-01 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US11024905B2 (en) | 2009-06-18 | 2021-06-01 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US10971776B2 (en) | 2009-06-18 | 2021-04-06 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US11362384B2 (en) | 2009-06-18 | 2022-06-14 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US11362385B2 (en) | 2009-06-18 | 2022-06-14 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| US11791512B2 (en) | 2009-06-18 | 2023-10-17 | Varta Microbattery Gmbh | Button cell having winding electrode and method for the production thereof |
| JP2012138225A (en) * | 2010-12-27 | 2012-07-19 | Hitachi Maxell Energy Ltd | Cylindrical nonaqueous electrolyte primary battery |
| JP2013025912A (en) * | 2011-07-19 | 2013-02-04 | Hitachi Ltd | Wound secondary battery and manufacturing method therefor |
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