JP2001126962A - Method for manufacturing wound electrode body of electronic double-layer capacitor - Google Patents
Method for manufacturing wound electrode body of electronic double-layer capacitorInfo
- Publication number
- JP2001126962A JP2001126962A JP30530299A JP30530299A JP2001126962A JP 2001126962 A JP2001126962 A JP 2001126962A JP 30530299 A JP30530299 A JP 30530299A JP 30530299 A JP30530299 A JP 30530299A JP 2001126962 A JP2001126962 A JP 2001126962A
- Authority
- JP
- Japan
- Prior art keywords
- shaped
- strip
- electrode body
- separators
- electrode
- 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
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
- Y02E60/13—Energy storage using capacitors
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は電気二重層コンデン
サにおける電極巻回体の製造方法，特に，相互に重ね合
せられる２枚の帯状電極体の少なくとも一方を２枚の帯
状セパレータにより挟んでなる重ね合せ物を，渦巻状に
巻いて電気二重層コンデンサの電極巻回体を製造する方
法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of manufacturing an electrode wound body in an electric double layer capacitor, and more particularly, to a method of forming at least one of two strip-shaped electrode bodies which are overlapped with each other by sandwiching the two strip-shaped separators. The present invention relates to a method for manufacturing an electrode wound body of an electric double layer capacitor by spirally winding a combined product.
【０００２】[0002]
【従来の技術】従来，前記電極巻回体における２枚の帯
状セパレータは互に分離した別物である。2. Description of the Related Art Conventionally, two strip-shaped separators in the above-mentioned electrode winding body are different from each other.
【０００３】[0003]
【発明が解決しようとする課題】電極巻回体の製造時に
おいて，一方，または両方の帯状セパレータが位置ずれ
を生じていると，両帯状電極体間が短絡されるおそれが
あり，したがって両帯状セパレータの位置ずれは確実に
避けなければならない。If one or both of the strip separators are misaligned during the manufacture of the wound electrode body, the two strip electrode bodies may be short-circuited. The displacement of the separator must be reliably avoided.
【０００４】ところが，両帯状セパレータが別物である
場合には，巻回作業中において両帯状セパレータが位置
ずれを生じ易く，それを防止するためには巻回装置にか
なりの精度が要求され，その結果，装置コストが高くな
る，といった問題を生じ，また両帯状セパレータおよび
両帯状電極体よりなる重ね合せ物始端部の巻心への取付
性が悪い，といった問題もあった。[0004] However, if the two belt-shaped separators are different, the two belt-shaped separators are liable to be displaced during the winding operation. To prevent this, a considerable precision is required for the winding device. As a result, there has been a problem that the device cost is high, and there is also a problem that the attachment property of the starting end portion of the overlapped product composed of the double-band separator and the double-band electrode body to the core is poor.
【０００５】[0005]
【課題を解決するための手段】本発明は２枚の帯状セパ
レータを一体化して，それらの位置ずれ防止を容易に達
成し，また前記重ね合せ物始端部の巻心への取付性を良
好にした前記電極巻回体の製造方法を提供することを目
的とする。SUMMARY OF THE INVENTION The present invention integrates two belt-shaped separators to easily prevent their displacement, and to improve the attachment of the starting end of the overlapped product to the core. It is an object of the present invention to provide a method for manufacturing the above-mentioned wound electrode body.
【０００６】前記目的を達成するため本発明によれば，
相互に重ね合せられる２枚の帯状電極体の少なくとも一
方を２枚の帯状セパレータにより挟んでなる重ね合せ物
を，渦巻状に巻いて電気二重層コンデンサの電極巻回体
を製造するに当り，セパレータ用原シートを二つ折りに
することによって，前記２枚の帯状セパレータを折り目
を介して連設させた半折シートを用意し，その半折シー
トの両帯状セパレータ間に前記一方の帯状電極体を配置
する，電気二重層コンデンサにおける電極巻回体の製造
方法が提供される。According to the present invention, in order to achieve the above object,
In manufacturing an electrode wound body of an electric double layer capacitor, a superposed product obtained by sandwiching at least one of two band-shaped electrode bodies overlapped with each other by two band-shaped separators is spirally wound. By folding the original sheet in half, a half-folded sheet in which the two strip-shaped separators are connected via a fold is prepared, and the one strip-shaped electrode body is placed between both strip-shaped separators of the half-folded sheet. A method for manufacturing an electrode winding in an electric double layer capacitor to be arranged is provided.
【０００７】前記のような手段を採用すると，２枚の帯
状セパレータが一体化されると共に，それらの間に一方
の帯状電極体が保持されているので，巻回時におけるそ
れら三者間の位置ずれが防止される。また他方の帯状電
極体が位置ずれを起しても，それと前記一方の帯状電極
体との接触は帯状セパレータによって回避されるので，
短絡を生じることはない。これにより巻回装置の，セパ
レータに関する位置ずれ防止精度を緩和し得る。When the above-mentioned means is adopted, the two band-shaped separators are integrated, and one of the band-shaped electrode bodies is held between them, so that the position between the three members at the time of winding is determined. Displacement is prevented. Also, even if the other strip-shaped electrode body is displaced, the contact between it and the one strip-shaped electrode body is avoided by the strip-shaped separator.
No short circuit occurs. As a result, it is possible to reduce the positional deviation prevention accuracy of the winding device with respect to the separator.
【０００８】さらに両帯状セパレータおよびそれに挟ま
れた帯状電極体を一体に取扱えるので，重ね合せ物始端
部の巻心への取付性が良好となる。Further, since the two band-shaped separators and the band-shaped electrode body sandwiched between them can be handled integrally, the attachment property of the starting end of the overlapped product to the core is improved.
【０００９】[0009]
【発明の実施の形態】図１，２において，円筒型電気二
重層コンデンサ１は，Ａｌ製容器２と，その容器２内に
収容された電極巻回体３と，その容器２内に注入された
電解液とを有する。容器２は有底筒形本体４と，その一
端開口部を閉鎖する端子板５とよりなり，その端子板５
に正，負端子６，７と安全弁８とが設けられている。1 and 2, a cylindrical electric double-layer capacitor 1 has an Al container 2, an electrode winding body 3 accommodated in the container 2, and an electrode wound body 3 injected into the container 2. Electrolyte solution. The container 2 comprises a bottomed cylindrical main body 4 and a terminal plate 5 for closing one end opening thereof.
Are provided with positive and negative terminals 6, 7 and a safety valve 8.
【００１０】電極巻回体３は，正極側の第１帯状電極体
９と，負極側の第２帯状電極体１０とを有する。第１帯
状電極体９は，厚さ約４０μｍのアルミ箔よりなる帯状
集電体１１の両面に，それぞれ厚さ約１８５μｍの帯状
分極性電極ｅを導電性接着剤を用いて貼付したものであ
り，両分極性電極ｅにより帯状正極１２が構成される。
第２帯状電極体１０は，厚さ約４０μｍのアルミ箔より
なる帯状集電体１４の両面に，それぞれ厚さ約１８５μ
ｍの帯状分極性電極ｅを導電性接着剤を用いて貼付した
ものであり，両分極性電極ｅにより帯状負極１５が構成
される。The wound electrode body 3 has a first band-shaped electrode body 9 on the positive electrode side and a second band-shaped electrode body 10 on the negative electrode side. The first strip-shaped electrode body 9 has a strip-shaped polarizable electrode e having a thickness of about 185 μm attached to both sides of a strip-shaped current collector 11 made of aluminum foil having a thickness of about 40 μm using a conductive adhesive. , A bipolar positive electrode 12 is constituted by the bipolar electrode e.
The second belt-shaped electrode body 10 has a thickness of about 185 μm on both sides of a belt-shaped current collector 14 made of aluminum foil having a thickness of about 40 μm.
The strip-shaped negative electrode 15 is constituted by affixing m strip-shaped polarizable electrodes e using a conductive adhesive.
【００１１】電極巻回体３の製造に当っては，図３に示
すように，相互に重ね合せられる２枚の第１，第２帯状
電極体９，１０の少なくとも一方，例えば第１帯状電極
体９を２枚の第１，第２帯状セパレータ１７，１８によ
り挟んで重ね合せ物を形成し，その重ね合せ物を，第１
セパレータ１７が最外側に位置するように渦巻状に巻く
ものである。第１，第２帯状セパレータ１７，１８は，
それぞれ厚さ約５０μｍのポリエステル繊維の不織布よ
りなり，それらに電解液が含浸保持される。In manufacturing the wound electrode body 3, as shown in FIG. 3, at least one of the two first and second strip-shaped electrode bodies 9 and 10 which are superimposed on each other, for example, the first strip-shaped electrode The body 9 is sandwiched between two first and second strip-shaped separators 17 and 18 to form a superimposed product.
The separator 17 is spirally wound so as to be positioned on the outermost side. The first and second strip separators 17 and 18 are:
Each is made of a nonwoven fabric of polyester fiber having a thickness of about 50 μm, and the electrolyte solution is impregnated and held therein.
【００１２】本発明の実施に用いられる第１，第２帯状
セパレータ１７，１８は，次のような手段を採用するこ
とによって一体化されている。即ち，図４に実線で示す
半折シート１９は，図４に実線および鎖線で示すセパレ
ータ用原シート２０を二つ折りにすることによって形成
されたもので，これにより２枚の第１，第２帯状セパレ
ータ１７，１８が折り目２１を介して連設される。図５
に示すように，その半折シート１９の両第１，第２帯状
セパレータ１７，１８間に第１帯状電極体９が配置され
て両第１，第２帯状セパレータ１７，１８により隠蔽さ
れる。The first and second strip-shaped separators 17 and 18 used in the embodiment of the present invention are integrated by employing the following means. That is, the half-folded sheet 19 shown by the solid line in FIG. 4 is formed by folding the original sheet for separator 20 shown by the solid line and the dashed line in FIG. The band-shaped separators 17 and 18 are continuously provided via a fold 21. FIG.
As shown in the figure, the first strip-shaped electrode body 9 is disposed between the first and second strip-shaped separators 17 and 18 of the half-folded sheet 19 and is concealed by the first and second strip-shaped separators 17 and 18.
【００１３】前記のような手段を採用すると，２枚の第
１，第２帯状セパレータ１７，１８が一体化されると共
に，それら１７，１８の間に第１帯状電極体９が保持さ
れているので，巻回時におけるそれら三者９，１７，１
８間の位置ずれが防止される。また第２帯状電極体１０
が位置ずれを起しても，それ１０と第１帯状電極体９と
の接触は第２帯状セパレータ１８によって回避されるの
で，短絡を生じることはない。さらに両第１，第２帯状
セパレータ１７，１８およびそれに挟まれた第１帯状電
極体９を一体に取扱えるので，重ね合せ物始端部の巻心
への取付性が良好となる。さらにまた第１帯状電極体９
を折り目２１に当てることによって，第１，第２帯状セ
パレータ１７，１８と第１帯状電極体９との位置決めを
容易に行うことができる。When the above-described means is adopted, the two first and second strip-shaped separators 17 and 18 are integrated, and the first strip-shaped electrode body 9 is held between the two. Therefore, those three at the time of winding 9, 17, 1
8 is prevented from shifting. Also, the second strip-shaped electrode body 10
Even if the position shift occurs, the contact between the position 10 and the first band-shaped electrode body 9 is avoided by the second band-shaped separator 18, so that no short circuit occurs. Furthermore, since the first and second strip-shaped separators 17 and 18 and the first strip-shaped electrode body 9 sandwiched therebetween can be handled integrally, the attachment property to the core of the overlapped object start end is improved. Furthermore, the first strip-shaped electrode body 9
Is applied to the fold 21, positioning of the first and second strip-shaped separators 17 and 18 and the first strip-shaped electrode body 9 can be easily performed.
【００１４】図６，７は，第１，第２帯状電極体９，１
０にそれぞれ２枚宛の第１，第２帯状セパレータ１７，
１８を配して短絡の発生を一層確実に回避するようにし
たものである。図６は正，負端子６，７が容器２の一端
側に配置される場合に該当し，一方，図７は容器２の一
端側に正端子６が，またその他端側に負端子７がそれぞ
れ配置される場合に該当する。FIGS. 6 and 7 show first and second strip-shaped electrode bodies 9, 1 respectively.
0, the first and second strip-shaped separators 17, each addressed to two sheets,
18 is provided to more reliably avoid the occurrence of a short circuit. FIG. 6 corresponds to the case where the positive and negative terminals 6, 7 are arranged at one end of the container 2, while FIG. 7 is the case where the positive terminal 6 is provided at one end of the container 2 and the negative terminal 7 is provided at the other end. This corresponds to the case where each is arranged.
【００１５】[0015]
【発明の効果】本発明によれば，前記のような手段を採
用することによって，２枚の帯状セパレータの位置ずれ
防止を容易に達成し，また両帯状セパレータおよび両帯
状電極体からなる重ね合せ物始端部の巻心への取付性を
良好にした電極巻回体の製造方法を提供することがで
き，これにより巻回装置の低コスト化および巻回作業性
の向上を図ることが可能である。According to the present invention, by employing the above-mentioned means, it is possible to easily prevent the displacement of the two band-shaped separators, and to superimpose the two band-shaped separators and both band-shaped electrode bodies. It is possible to provide a method for manufacturing an electrode wound body having a good attachment property of the starting end portion to the winding core, thereby making it possible to reduce the cost of the winding device and improve the winding workability. is there.
【図１】円筒型電気二重層コンデンサの要部破断斜視図
である。FIG. 1 is a cutaway perspective view of a main part of a cylindrical electric double layer capacitor.
【図２】図１の２−２線断面図である。FIG. 2 is a sectional view taken along line 2-2 of FIG.
【図３】電極巻回体の製造方法説明図である。FIG. 3 is an explanatory view of a method of manufacturing a wound electrode body.
【図４】半折シートの要部斜視図である。FIG. 4 is a perspective view of a main part of the half-fold sheet.
【図５】重ね合せ物の一例の要部分解斜視図である。FIG. 5 is an exploded perspective view of a main part of an example of a superposed product.
【図６】重ね合せ物の他例の説明図である。FIG. 6 is an explanatory diagram of another example of a superposed object.
【図７】重ね合せ物のさらに他例の説明図である。FIG. 7 is an explanatory view of still another example of a superimposed product.
１…………電気二重層コンデンサ ３…………電極巻回体 ９…………第１帯状電極体 １０………第２帯状電極体 １７………第１帯状セパレータ １８………第２帯状セパレータ １９………半折シート ２０………セパレータ用原シート ２１………折り目 DESCRIPTION OF SYMBOLS 1 ... Electric double layer capacitor 3 ... Electrode winding body 9 ... 1st strip electrode body 10 ... 2nd strip electrode body 17 ... 1st strip separator 18 ... Two-band separator 19 Half-folded sheet 20 Original sheet for separator 21 Crease
Claims (1)
（９，１０）の少なくとも一方を２枚の帯状セパレータ
（１７，１８）により挟んでなる重ね合せ物を，渦巻状
に巻いて電気二重層コンデンサ（１）の電極巻回体
（３）を製造するに当り，セパレータ用原シート（２
０）を二つ折りにすることによって，前記２枚の帯状セ
パレータ（１７，１８）を折り目（２１）を介して連設
させた半折シート（１９）を用意し，その半折シート
（１９）の両帯状セパレータ（１７，１８）間に前記一
方の帯状電極体（９）を配置することを特徴とする，電
気二重層コンデンサにおける電極巻回体の製造方法。1. A spirally wound product obtained by sandwiching at least one of two strip-shaped electrode bodies (9, 10) overlapped with each other by two strip-shaped separators (17, 18). In manufacturing the electrode wound body (3) of the double-layer capacitor (1), the original sheet (2
0) is folded in half to prepare a half-folded sheet (19) in which the two band-shaped separators (17, 18) are continuously provided via a fold (21), and the half-folded sheet (19) is prepared. A method of manufacturing an electrode wound body in an electric double layer capacitor, wherein said one band-shaped electrode body (9) is arranged between both band-shaped separators (17, 18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30530299A JP2001126962A (en) | 1999-10-27 | 1999-10-27 | Method for manufacturing wound electrode body of electronic double-layer capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30530299A JP2001126962A (en) | 1999-10-27 | 1999-10-27 | Method for manufacturing wound electrode body of electronic double-layer capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001126962A true JP2001126962A (en) | 2001-05-11 |
Family
ID=17943473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30530299A Pending JP2001126962A (en) | 1999-10-27 | 1999-10-27 | Method for manufacturing wound electrode body of electronic double-layer capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001126962A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6785122B2 (en) | 2002-03-06 | 2004-08-31 | Honda Giken Kogyo Kabushiki Kaisha | Method for preparing electrolytic solution, electrolytic solution and electric double-layer capacitor |
| JP2008041623A (en) * | 2006-08-10 | 2008-02-21 | Nissan Motor Co Ltd | Flat type battery |
| JP2013153013A (en) * | 2012-01-24 | 2013-08-08 | Tdk Corp | Power storage device and electrode for power storage device |
| CN104201411A (en) * | 2014-08-26 | 2014-12-10 | 长兴金润大正机械有限公司 | Dinting structure for clapboard paper |
| JP2020194930A (en) * | 2019-05-30 | 2020-12-03 | セイコーインスツル株式会社 | Electrochemical cell and manufacturing method thereof |
-
1999
- 1999-10-27 JP JP30530299A patent/JP2001126962A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6785122B2 (en) | 2002-03-06 | 2004-08-31 | Honda Giken Kogyo Kabushiki Kaisha | Method for preparing electrolytic solution, electrolytic solution and electric double-layer capacitor |
| JP2008041623A (en) * | 2006-08-10 | 2008-02-21 | Nissan Motor Co Ltd | Flat type battery |
| JP2013153013A (en) * | 2012-01-24 | 2013-08-08 | Tdk Corp | Power storage device and electrode for power storage device |
| CN104201411A (en) * | 2014-08-26 | 2014-12-10 | 长兴金润大正机械有限公司 | Dinting structure for clapboard paper |
| JP2020194930A (en) * | 2019-05-30 | 2020-12-03 | セイコーインスツル株式会社 | Electrochemical cell and manufacturing method thereof |
| JP7232711B2 (en) | 2019-05-30 | 2023-03-03 | セイコーインスツル株式会社 | Electrochemical cell and electrochemical cell manufacturing method |
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