JP3098261B2 - Manufacturing method of electric double layer capacitor - Google Patents
Manufacturing method of electric double layer capacitorInfo
- Publication number
- JP3098261B2 JP3098261B2 JP356991A JP356991A JP3098261B2 JP 3098261 B2 JP3098261 B2 JP 3098261B2 JP 356991 A JP356991 A JP 356991A JP 356991 A JP356991 A JP 356991A JP 3098261 B2 JP3098261 B2 JP 3098261B2
- Authority
- JP
- Japan
- Prior art keywords
- outer case
- electric double
- layer capacitor
- double layer
- opening
- 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.)
- Expired - Fee Related
Links
- 239000003990 capacitor Substances 0.000 title claims description 29
- 238000004519 manufacturing process Methods 0.000 title claims description 19
- 238000000034 method Methods 0.000 claims abstract description 22
- 229920005989 resin Polymers 0.000 claims abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 abstract description 7
- 239000003792 electrolyte Substances 0.000 abstract description 4
- 239000003822 epoxy resin Substances 0.000 abstract description 4
- 229920000647 polyepoxide Polymers 0.000 abstract description 4
- 238000009792 diffusion process Methods 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 16
- 238000010586 diagram Methods 0.000 description 5
- 239000008151 electrolyte solution Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004734 Polyphenylene sulfide Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229920005549 butyl rubber Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- -1 polybutylene terephthalate Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
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
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は電気二重層コンデンサの
製造方法に関し、特に外装工程の簡略化に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing an electric double layer capacitor, and more particularly to a method for simplifying an exterior process.
【０００２】[0002]
【従来の技術】従来、この種の電気二重層コンデンサ
は、素子の構成物である活性炭粒子相互の電気的接触を
良好に保ち、電気二重層コンデンサの電気的特性を引き
出すため、素子全体に圧力を印加し、その圧力を永久的
に保持する必要が有る。この為外装は一般的な電子部品
と比較すると複雑で強固なものとなり、例えば図６のご
とく第１の電極板８と、第２の電極板９を絶縁ケース１
０に依って電気的に絶縁し、内部に素子６を収納したも
のを金属製外装ケース７にはめ込み、上部より加圧圧縮
した状態で金属製外装ケース７の開口部の外縁部をかし
めることにより、加圧・圧縮された素子６への圧力を保
持するといった特公昭６５−１０８２２８号に示される
ような方法がとられていた。他にも特公昭５９−１４１
２７号に示されるような樹脂製外装ケースの溶着，接着
といった方法もある。2. Description of the Related Art Conventionally, an electric double layer capacitor of this type has a pressure on the entire element to maintain good electrical contact between activated carbon particles, which are constituents of the element, and to draw out the electric characteristics of the electric double layer capacitor. And the pressure must be maintained permanently. For this reason, the exterior is complicated and strong as compared with general electronic components. For example, the first electrode plate 8 and the second electrode plate 9 are connected to the insulating case 1 as shown in FIG.
0 is electrically insulated according to 0, the element housing the element 6 therein is fitted into the metal outer case 7, and the outer edge of the opening of the metal outer case 7 is caulked in a state of being pressed and compressed from above. Thus, a method shown in JP-B-65-108228 has been adopted in which the pressure applied to the element 6 which has been pressurized and compressed is maintained. In addition, Japanese Patent Publication No. 59-141
There is also a method such as welding and bonding of a resin outer case as shown in No. 27.
【０００３】[0003]
【発明が解決しようとする課題】上述した従来の電気二
重層コンデンサの製造方法では、外装ケースにかしめ，
溶着，接着といった加工を施すことにより素子に圧力を
加え保持し電気二重層コンデンサの内部抵抗を下げて電
気特性を引き出している。この為、電気特性を一定に維
持するには量産を行なう上で高い加工精度を常に維持す
る必要があるので作業能率を低下させるという欠点及び
高価な設備を必要とする欠点がある。In the above-mentioned conventional method for manufacturing an electric double layer capacitor, the outer case is swaged,
By applying processes such as welding and bonding, pressure is applied to the element to hold it, thereby lowering the internal resistance of the electric double-layer capacitor and extracting electrical characteristics. For this reason, in order to maintain the electrical characteristics at a constant level, it is necessary to always maintain high processing accuracy in mass production, so that there is a disadvantage that the working efficiency is lowered and that expensive equipment is required.
【０００４】本発明の目的は、部品点数を削減し、加工
工程を省くことができ、しかも電気特性を一定に維持で
きる電気二重層コンデンサの製造方法を提供することに
ある。An object of the present invention is to provide a method for manufacturing an electric double layer capacitor which can reduce the number of parts, omit a processing step, and maintain constant electric characteristics.
【０００５】また、他の目的は、活性炭ペースト電極内
の電解液の散逸による静電容量の減少を小さくでき、か
つ金型が不要となり異形の素子にも少ない費用で対応で
きる電気二重層コンデンサの製造方法を提供することに
ある。Another object of the present invention is to provide an electric double layer capacitor capable of minimizing a decrease in capacitance due to dissipation of an electrolytic solution in an activated carbon paste electrode, eliminating the need for a mold, and coping with irregularly shaped elements at low cost. It is to provide a manufacturing method.
【０００６】[0006]
【課題を解決するための手段】本発明によれば、複数個
の電気二重層コンデンサの基本セルを直列に積層した素
子を外装ケースに収納した構造を有する電気二重層コン
デンサの製造方法において、素子を一対のリード付電極
板で挟持して一体とした後、圧入用ローラを介して該素
子を連続的に加圧圧縮させながら外装ケース内に挿入す
る工程と、その後外装ケースの開口部より、樹脂を注入
・硬化する工程とを含むことを特徴とする電気二重層コ
ンデンサの製造方法が得られる。また、本発明によれ
ば、複数個の電気二重コンデンサの基本セルを直列に積
層した素子を外装ケースに収納した構造を有する電気二
重層コンデンサの製造方法において、積層した素子を一
対のリード付電極板で挟持して、この電極板上に絶縁キ
ャップを添えて素子を一体化し、この一体化した素子を
加圧して圧縮させた状態で外装ケースの開口部より先端
部を挿入する工程と、挿入後に加圧・圧縮を開放し、一
体化した素子を後端部から圧挿して外装ケースの開口部
で圧縮させながら圧入し外装ケース内に収納する工程
と、その後、外装ケースの開口部より樹脂を注入し硬化
する工程とを含むことを特徴とする電気二重層コンデン
サの製造方法が得られる。更に、本発明によれば、複数
個の電気二重層コンデンサの基本セルを直列に積層した
素子を外装ケースに収納した構造を有する電気二重層コ
ンデンサの製造方法において、素子を一対のリード付電
極板で挟持し更に一方のリード付電極板に対し絶縁キャ
ップを添えてそれらを一体とした後、他方のリード付電
極板と前記絶縁キャップとに対して前記外装ケースの開
口部の外部近傍にて加圧し、それにより圧縮させた状態
で当該一体物の一部を前記絶縁キャップをガイドとして
外装ケース内に挿入し、さらに、前記他方のリード付電
極板と前記絶縁キャップとに対する加圧を止めると共に
当該一体物を前記絶縁キャップをガイドとして前記外装
ケース内に圧入する工程と、その後、外装ケースの開口
部より、樹脂を注入・硬化する工程とを含むことを特徴
とする電気二重層コンデンサの製造方法が得られる。According to the present invention, there is provided a method of manufacturing an electric double layer capacitor having a structure in which an element in which a plurality of basic cells of an electric double layer capacitor are stacked in series is housed in an outer case. After being sandwiched between a pair of leaded electrode plates and integrated, a step of inserting the element into the outer case while continuously compressing and compressing the element via a press-fitting roller, and then through the opening of the outer case, And a step of injecting and curing a resin. Further, according to the present invention, in a method for manufacturing an electric double layer capacitor having a structure in which an element obtained by stacking a plurality of basic cells of an electric double capacitor in series in an outer case, the stacked element is provided with a pair of leads. Sandwiching the electrode plate, integrating the element with an insulating cap on the electrode plate, and inserting the tip from the opening of the outer case in a state where the integrated element is pressed and compressed, After the insertion, pressurization and compression are released, and the integrated element is pressed in from the rear end and pressed into the outer case while being compressed at the opening, and then stored in the outer case. And a step of injecting and curing a resin. Further, according to the present invention, in a method for manufacturing an electric double layer capacitor having a structure in which an element obtained by stacking a plurality of basic cells of an electric double layer capacitor in series in an outer case, the element is provided with a pair of electrode plates with leads. After attaching the insulating cap to one of the leaded electrode plates and integrating them, the other leaded electrode plate and the insulating cap are applied near the outside of the opening of the outer case. Pressed, thereby inserting a part of the integrated body into the outer case using the insulating cap as a guide in a state of being compressed, further stopping the pressure applied to the other electrode plate with leads and the insulating cap, and A step of press-fitting the integrated object into the outer case using the insulating cap as a guide, and then injecting and curing a resin through an opening of the outer case. Method for producing an electric double layer capacitor, wherein the door is obtained.
【０００７】[0007]
【実施例】次に、本発明について図面を参照して説明す
る。図１及び図２は、それぞれ本発明の第１の実施例の
組立工程順断面図及び組立工程図を示す。先ず実施例に
供した素子６は、図６の素子断面図に示す構造となって
いる。即ちイオン透過性でかつ電子伝導を阻止する性質
を持つ多孔性セパレータ３に相対して形成した粉末活性
炭と希硫酸（電解液）からなる活性炭ペースト電極２を
電解液に対して化学的に安定でかつ電気的に絶縁性（１
０10Ω・ｃｍ以上）を持つ合成ゴム、たとえば、ブチル
ゴム製の側壁４及び同様に電解液に対して化学的に安定
でかつ導電性をもつ合成ゴムたとえば導電性ブチルゴム
製の導電性エンドプレート１の内部に封入して基本セル
５を得る。基本セル５の耐電圧は希硫酸（電解液）の電
気分解電圧によって決まり、この場合は約１．２Ｖと低
いので実用電圧５．５Ｖを得る為、信頼性的余裕も計算
に入れ、基本セル５を縦に６枚積層した構造の素子６を
製造した。素子６は前述の積層構造のため基本セル５の
相互の間の接触抵抗及び基本セル５の内部の活性炭粒子
の相互の間の接触抵抗等により構成される内部抵抗が存
在する。この内部抵抗は素子６の上下面から印加される
圧力に依存する。図７に内部抵抗の圧力依存性を示す。
図７から解るように内部抵抗を低く、安定した状態にす
る為には、２０Ｋｇ／ｃｍ2 以上の圧力が必要である。
また素子６の導電性エンドプレート１及び多孔性セパレ
ータ３を破壊しないように圧力上限も選び、加圧範囲を
実用上２０〜８０ｋｇ／ｃｍ2 とした。Next, the present invention will be described with reference to the drawings. 1 and 2 are a sectional view and a sectional view, respectively, showing a first embodiment of the present invention. First, the element 6 used in the example has a structure shown in the element sectional view of FIG. That is, the activated carbon paste electrode 2 made of powdered activated carbon and dilute sulfuric acid (electrolyte solution) formed opposite to the porous separator 3 having ion-permeable and electron-blocking properties is chemically stable with respect to the electrolyte solution. And electrically insulating (1
0 10 Ω · cm or more), for example, a side wall 4 made of butyl rubber and a conductive end plate 1 made of synthetic rubber also chemically stable and conductive to an electrolytic solution, for example, conductive butyl rubber. To obtain a basic cell 5. The withstand voltage of the basic cell 5 is determined by the electrolysis voltage of dilute sulfuric acid (electrolyte). In this case, it is as low as about 1.2 V, so that a practical voltage of 5.5 V is obtained. Element 6 having a structure in which six elements 5 were stacked vertically was manufactured. The element 6 has an internal resistance constituted by the contact resistance between the basic cells 5 and the contact resistance between the activated carbon particles inside the basic cell 5 because of the above-mentioned laminated structure. This internal resistance depends on the pressure applied from the upper and lower surfaces of the element 6. FIG. 7 shows the pressure dependence of the internal resistance.
As can be seen from FIG. 7, a pressure of 20 Kg / cm 2 or more is required to keep the internal resistance low and stable.
The upper limit of the pressure was also selected so as not to break the conductive end plate 1 and the porous separator 3 of the element 6, and the pressure range was set to 20 to 80 kg / cm 2 for practical use.
【０００８】次に第１の実施例を図１及び図２を用いて
説明する。なお図２の（ａ）〜（ｅ）工程は図１の分図
の（ａ）〜（ｅ）に相当する。絶縁キャップ１２に第１
のリード端子を有する電極板８をはめ込み、その電極板
の上に素子６の一端の導電性エンドプレート１を合わせ
て載せ、素子６の他端の導電性エンドプレート１面に第
２のリード端子を有する電極板９を配し〔図１
（ａ）〕、第１の電極板８と第２の電極板９を介して上
下より加圧プランジャー１３にて素子６に２０ｋｇ／ｃ
ｍ2 の圧力を加えた状態で第１及び第２の電極板８，９
それぞれの素子６を挟み込んだ部分の１／３を外装ケー
ス７の開口部より挿入し〔図１（ｂ）〕、上下からの圧
力を開放したる後〔図１（ｃ）〕、第１及び第２の電極
板８，９に矢印方向から圧力を加えることにより素子６
を完全に外装ケース７の内に収納する〔図１（ｄ）〕。
その後、エポキシ樹脂１１を、外装ケース７の開口部よ
り注入し、硬化させる〔図１（ｅ）〕。外装ケース７表
面に品名等を捺印し電気二重層コンデンサを得た。ここ
で外装ケース７の材質には、素子の反発力を計算に入
れ、合成の高いステンレス鋼を用いた。エポキシ樹脂１
１は、図９に示すように従来より耐洗浄用として基板実
装後の洗浄液の侵入防止を目的として使用していたが、
本発明においては従来のようにごく表面を覆うのではな
く、内部の素子６全体を覆うようにしたことにより、活
性炭ペースト電極２内の電解液の散逸防止にも効果が有
った。電解液の散逸は、静電容量の減少をもたらすもの
である。図８に高温放置テストにおける静電容量の減少
性を示す。図８においてＡは図９に示されるような従来
構造のもの、Ｂは本発明のもの、Ｃは本発明のもので樹
脂封口しなかったものである。これらを各々２０ｐずつ
８５℃±２℃の恒温槽に入れ放置した後、静電容量を測
定し初期の値からの減少率を示した。Next, a first embodiment will be described with reference to FIGS. Steps (a) to (e) in FIG. 2 correspond to (a) to (e) in the diagram of FIG. The first on the insulating cap 12
An electrode plate 8 having a lead terminal is fitted, the conductive end plate 1 at one end of the element 6 is placed on the electrode plate, and the second lead terminal is placed on the surface of the conductive end plate 1 at the other end of the element 6. An electrode plate 9 having
(A)] 20 kg / c is applied to the element 6 by the pressure plunger 13 from above and below via the first electrode plate 8 and the second electrode plate 9.
The first and second electrode plates 8 and 9 are applied while applying a pressure of m 2.
One-third of the portion sandwiching each element 6 is inserted through the opening of the outer case 7 [FIG. 1 (b)], and after releasing the pressure from above and below [FIG. By applying pressure to the second electrode plates 8 and 9 in the direction of the arrow, the element 6
Is completely stored in the outer case 7 (FIG. 1D).
Thereafter, the epoxy resin 11 is injected through the opening of the outer case 7 and cured (FIG. 1E). The product name was stamped on the surface of the outer case 7 to obtain an electric double layer capacitor. Here, the resilience of the element was taken into account in the calculation of the material of the outer case 7, and a highly synthetic stainless steel was used. Epoxy resin 1
As shown in FIG. 9, 1 has been used for the purpose of preventing the intrusion of the cleaning liquid after mounting on the substrate, as shown in FIG.
In the present invention, since the entire element 6 is covered instead of covering the surface as in the conventional case, the effect of preventing the electrolyte solution in the activated carbon paste electrode 2 from dissipating is also effective. Dissipation of the electrolyte results in a decrease in capacitance. FIG. 8 shows the decrease of the capacitance in the high-temperature storage test. In FIG. 8, A is the conventional structure as shown in FIG. 9, B is the present invention, and C is the present invention without resin sealing. Each of them was placed in a thermostat at 85 ° C. ± 2 ° C. for 20 p each and allowed to stand, and the capacitance was measured to show the rate of decrease from the initial value.
【０００９】図８より以下のような式が成り立つことが
解かる。FIG. 8 shows that the following equation holds.
【００１０】静電容量減少率は、Ｂ＜Ａ＜Ｃ すなわ
ち密封型＜半密封型＜開放型 である。このような効
果は、他の封止用樹脂を使用しても同様である。The capacitance reduction rate is B <A <C, that is, sealed type <semi-sealed type <open type. This effect is the same even when another sealing resin is used.
【００１１】図３，図４は本発明の第２の実施例を説明
するための組立工程断面図及び組立工程図である。本実
施例は第１の実施例を更に簡略化したもので、第１の実
施例と同様の構成として素子６に部材（電極板８，９及
び絶縁キャップ１２）を配し、外装ケース７への圧入用
ローラー１４を介して矢印方向に押し込むことにより、
上下からの加圧・挿入・圧力開放といったわずらわしい
作業無しに第１の実施例と同様に素子６と第１及び第２
の電極板８，９を外装ケース７の内に収納することが出
来るため、より量産向きといえる。FIGS. 3 and 4 are an assembly process sectional view and an assembly process diagram for explaining a second embodiment of the present invention. This embodiment is a further simplification of the first embodiment. As the same configuration as the first embodiment, members (electrode plates 8, 9 and insulating cap 12) are arranged on the element 6, and By pressing in the direction of the arrow through the press-fitting roller 14 of
As in the first embodiment, the element 6 and the first and second elements are used without any troublesome work such as pressurization, insertion, and pressure release from above and below.
Since the electrode plates 8 and 9 can be accommodated in the outer case 7, it can be said that they are more suitable for mass production.
【００１２】図５は、より矢印方向への挿入性を上げる
ため圧入用ローラー１４を複数個用いた第３の実施例の
断面図である。FIG. 5 is a sectional view of a third embodiment in which a plurality of press-fitting rollers 14 are used in order to further enhance the insertability in the direction of the arrow.
【００１３】本実施例により１０〜２０個同時の加工が
出来るようになり、従来は加工精度上の問題から１個処
理しか出来なかったのに比べ、１／１０以下の加工時間
に短縮が可能となった。又、設備も簡単なセット型で良
くなり１／２以下の費用ですむことが可能となった。According to this embodiment, it is possible to simultaneously process 10 to 20 pieces, and it is possible to reduce the processing time to 1/10 or less as compared with the conventional case where only one piece could be processed due to the problem of processing accuracy. It became. In addition, the equipment can be improved with a simple set type, and the cost can be reduced to half or less.
【００１４】尚、第１の実施例においては、外装ケース
７の材質にステンレス鋼を用いたが、目的は素子６の加
圧圧縮反発力を押さえ込むことにあるため、形状的に許
されるならば、他の金属（ＳＰＣ等）又はプラスチック
（ＰＰＳ等）を用いることも可なのは明らかである。In the first embodiment, stainless steel is used as the material of the outer case 7. However, since the purpose is to suppress the pressure-compression repulsive force of the element 6, if the shape is allowed, Obviously, other metals (such as SPC) or plastics (such as PPS) can be used.
【００１５】また、特にプラスチック成形品を外装ケー
ス７として用いる場合には、ＰＰＳ（ポリフェニレンサ
ルファルド）、ＰＢＴ（ポリブチレンテレフタレート）
などの高剛性プラスチック材を用いることにより、小型
化の利点があることもも明らかである。In particular, when a plastic molded product is used as the outer case 7, PPS (polyphenylene sulfide), PBT (polybutylene terephthalate)
It is also clear that the use of such a high-rigidity plastic material has an advantage of miniaturization.
【００１６】更に、外装ケース７をプラスチック成形品
とすることにより、絶縁キャップ１２は省くことが出き
るのは、第１及び第２の実施例のどちらにおいてもいえ
る。Further, it can be said in both the first and second embodiments that the insulating cap 12 can be omitted by making the outer case 7 a plastic molded product.
【００１７】[0017]
【発明の効果】以上説明したように本発明は、電気二重
層コンデンサの製造において、素子６、第１及び第２の
電極板８，９、絶縁キャップ１２を一体としたものを加
圧圧縮した状態で外装ケース７に挿入する。その後外装
ケース７の開口部より樹脂を注入硬化する方法を取るこ
とにより、その効果として （ａ）部品点数を削減でき、加工工程も省くことができ
る。 （ｂ）活性炭ペースト電極２内の電解液の散逸による静
電容量の減少を小さくできる。 （ｃ）金型等が不要なため、異形の素子にも少ない費用
でたやすく対応できる。As described above, according to the present invention, in the manufacture of an electric double layer capacitor, a device in which the element 6, the first and second electrode plates 8, 9 and the insulating cap 12 are integrated is pressurized and compressed. It is inserted into the outer case 7 in this state. Thereafter, a method of injecting and hardening the resin from the opening of the outer case 7 is adopted. As a result, (a) the number of parts can be reduced and the processing step can be omitted. (B) The decrease in capacitance due to the dissipation of the electrolyte in the activated carbon paste electrode 2 can be reduced. (C) Since a mold or the like is not required, an odd-shaped element can be easily dealt with at a small cost.
【図１】本発明の第１の実施例を説明するたの組立工程
順断面図である。FIG. 1 is a sectional view illustrating a first embodiment of the present invention in assembling process order.
【図２】本発明の第１の実施例を説明するための組立工
程図である。FIG. 2 is an assembly process diagram for explaining a first embodiment of the present invention.
【図３】本発明の第２の実施例を説明するための組立工
程順断面図である。FIG. 3 is a sectional view illustrating a second embodiment of the present invention in assembling process order.
【図４】本発明の第２の実施例を説明するための組立工
程図である。FIG. 4 is an assembly process diagram for explaining a second embodiment of the present invention.
【図５】本発明の第３の実施例を説明するための一部工
程の断面図である。FIG. 5 is a sectional view of a part of the process for describing a third embodiment of the present invention.
【図６】電気二重層コンデンサ素子の縦断面図である。FIG. 6 is a longitudinal sectional view of the electric double layer capacitor element.
【図７】電気二重層コンデンサ素子の内部抵抗圧力依存
データを示す図である。FIG. 7 is a diagram showing internal resistance pressure dependent data of an electric double layer capacitor element.
【図８】本発明及び従来例による製品の静電容量の高温
放置テストでの減少率データを示す図である。FIG. 8 is a graph showing data of a decrease rate in a high-temperature storage test of a product according to the present invention and a conventional example.
【図９】従来の自立型電気二重層コンデンサの製造方法
を説明するための断面図である。FIG. 9 is a cross-sectional view for explaining a method for manufacturing a conventional self-contained electric double layer capacitor.
１ 導電性エンドプレート ２ 活性炭ペースト電極 ３ 多孔性セパレータ ４ 側壁 ５ 基本セル ６ 素子 ７ 外装ケース ８ 第１の電極板 ９ 第２の電極板 １０ 絶縁ケース １１ （封口用）エポキシ樹脂 １２ 絶縁キャップ １３ 加圧プランジャー １４ 圧入用ローラ DESCRIPTION OF SYMBOLS 1 Conductive end plate 2 Activated carbon paste electrode 3 Porous separator 4 Side wall 5 Basic cell 6 Element 7 Outer case 8 First electrode plate 9 Second electrode plate 10 Insulating case 11 Epoxy resin (for sealing) 12 Insulating cap 13 Addition Pressure plunger 14 Press-fit roller
───────────────────────────────────────────────────── フロントページの続き (72)発明者 桑田 和彦 兵庫県宍粟郡山崎町須賀沢231番地兵庫 日本電気株式会社内 (56)参考文献 特開 平２−174212（ＪＰ，Ａ) 特開 平３−241725（ＪＰ，Ａ) 実開 平２−120821（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) H01G 9/155 H01G 13/00 381 ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazuhiko Kuwata 231 Sukazawa, Yamazaki-cho, Shiso-gun, Hyogo Pref. 241 725 (JP, A) JP-A 2-120821 (JP, U) (58) Fields surveyed (Int. Cl. 7 , DB name) H01G 9/155 H01G 13/00 381
Claims (3)
ルを直列に積層した素子を外装ケースに収納した構造を
有する電気二重層コンデンサの製造方法において、素子
を一対のリード付電極板で挟持して一体とした後、圧入
用ローラを介して該素子を連続的に加圧圧縮させながら
外装ケース内に挿入する工程と、その後外装ケースの開
口部より、樹脂を注入・硬化する工程とを含むことを特
徴とする電気二重層コンデンサの製造方法。1. A method for manufacturing an electric double layer capacitor having a structure in which a plurality of basic cells of an electric double layer capacitor are stacked in series and housed in an outer case, the element is sandwiched between a pair of electrode plates with leads. After the components are integrated, a step of inserting the element into the exterior case while continuously compressing and compressing the element via the press-fitting roller, and a step of injecting and curing the resin from the opening of the exterior case thereafter are included. A method for producing an electric double layer capacitor, characterized by comprising:
を直列に積層した素子を外装ケースに収納した構造を有
する電気二重層コンデンサの製造方法において、 積層した素子を一対のリード付電極板で挟持して、この
電極板上に絶縁キャップを添えて素子を一体化し、この
一体化した素子を加圧して圧縮させた状態で外装ケース
の開口部より先端部を挿入する工程と、挿入後に加圧・
圧縮を開放し、一体化した素子を後端部から圧挿して外
装ケースの開口部で圧縮させながら圧入し外装ケース内
に収納する工程と、その後、外装ケースの開口部より樹
脂を注入し硬化する工程とを含むことを特徴とする電気
二重層コンデンサの製造方法。2. A method of manufacturing an electric double layer capacitor having a structure in which a plurality of basic cells of electric double capacitors are stacked in series in an outer case, wherein the stacked elements are formed by a pair of electrode plates with leads. A step of inserting the front end through the opening of the outer case in a state where the element is integrated by attaching an insulating cap on the electrode plate, and pressing and compressing the integrated element; and Pressure
Release the compression, press-fit the integrated element from the rear end, compress it at the opening of the outer case, press fit and store it inside the outer case, then inject resin from the opening of the outer case and cure A method for manufacturing an electric double layer capacitor.
ルを直列に積層した素子を外装ケースに収納した構造を
有する電気二重層コンデンサの製造方法において、素子
を一対のリード付電極板で挟持し更に一方のリード付電
極板に対し絶縁キャップを添えてそれらを一体とした
後、他方のリード付電極板と前記絶縁キャップとに対し
て前記外装ケースの開口部の外部近傍にて加圧し、それ
により圧縮させた状態で当該一体物の一部を前記絶縁キ
ャップをガイドとして外装ケース内に挿入し、さらに、
前記他方のリード付電極板と前記絶縁キャップとに対す
る加圧を止めると共に当該一体物を前記絶縁キャップを
ガイドとして前記外装ケース内に圧入する工程と、その
後、外装ケースの開口部より、樹脂を注入・硬化する工
程とを含むことを特徴とする電気二重層コンデンサの製
造方法。3. A method of manufacturing an electric double layer capacitor having a structure in which a plurality of basic cells of an electric double layer capacitor are stacked in series and housed in an outer case, wherein the element is sandwiched between a pair of electrode plates with leads. Furthermore, after attaching an insulating cap to one of the leaded electrode plates and integrating them, the other leaded electrode plate and the insulating cap are pressed near the outside of the opening of the outer case, and In a state compressed by inserting a part of the integrated body into the outer case using the insulating cap as a guide, further,
A step of stopping pressurizing the other electrode plate with leads and the insulating cap and pressing the integrated body into the outer case using the insulating cap as a guide, and then injecting resin through an opening of the outer case. A method of manufacturing an electric double layer capacitor, which comprises a step of curing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP356991A JP3098261B2 (en) | 1991-01-17 | 1991-01-17 | Manufacturing method of electric double layer capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP356991A JP3098261B2 (en) | 1991-01-17 | 1991-01-17 | Manufacturing method of electric double layer capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04243113A JPH04243113A (en) | 1992-08-31 |
| JP3098261B2 true JP3098261B2 (en) | 2000-10-16 |
Family
ID=11561074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP356991A Expired - Fee Related JP3098261B2 (en) | 1991-01-17 | 1991-01-17 | Manufacturing method of electric double layer capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3098261B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101060869B1 (en) * | 2009-02-23 | 2011-08-31 | 삼성전기주식회사 | Electrical Double Layer Capacitor Packages |
-
1991
- 1991-01-17 JP JP356991A patent/JP3098261B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04243113A (en) | 1992-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5198968A (en) | Compact surface mount solid state capacitor and method of making same | |
| CN100477036C (en) | Solid electrolytic capacitor | |
| EP0439686A2 (en) | Electrical double-layer capacitor and method of fabricating same | |
| KR20080029203A (en) | Tantalum Capacitor | |
| US5253148A (en) | Electric double layer capacitor | |
| JP2004055699A (en) | Solid electrolytic capacitor and its manufacturing method | |
| JP3098261B2 (en) | Manufacturing method of electric double layer capacitor | |
| KR100885269B1 (en) | Solid Electrolytic Capacitors and Manufacturing Method Thereof | |
| EP1898433A1 (en) | Solid electrolytic capacitor and production method thereof | |
| KR101404532B1 (en) | Solid electrolytic capacitor | |
| EP0078001B1 (en) | Electrolytic capacitor and a process for producing the same | |
| US9336956B2 (en) | Tantalum capacitor and method of manufacturing the same | |
| US20150325379A1 (en) | Tantalum capacitor | |
| JP3199096B2 (en) | Solid electrolytic capacitors | |
| JP2630079B2 (en) | Electric double layer capacitor and method of manufacturing the same | |
| JPH03268315A (en) | Electric double layer capacitor and manufacture thereof | |
| US11062852B2 (en) | Solid electrolytic capacitor having an anode terminal and a cathode terminal formed from a single metal plate and method for manufacturing same | |
| EP0607781A1 (en) | Solid electrolytic capacitor | |
| JPH0751791Y2 (en) | Electric double layer capacitor | |
| JPH0526733Y2 (en) | ||
| KR100603052B1 (en) | Manufacturing method of chip type electric double layer capacitor | |
| JP2633397B2 (en) | Electric double layer capacitor | |
| KR101475367B1 (en) | Solid electrolytic capacitor | |
| KR100935323B1 (en) | Solid Electrolytic Capacitors and Manufacturing Method Thereof | |
| JPH05267101A (en) | Electric double-layer capacitor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20000712 |
|
| LAPS | Cancellation because of no payment of annual fees |