JPH0371618A - Manufacture of solid electrolytic capacitor - Google Patents
Manufacture of solid electrolytic capacitorInfo
- Publication number
- JPH0371618A JPH0371618A JP20719189A JP20719189A JPH0371618A JP H0371618 A JPH0371618 A JP H0371618A JP 20719189 A JP20719189 A JP 20719189A JP 20719189 A JP20719189 A JP 20719189A JP H0371618 A JPH0371618 A JP H0371618A
- Authority
- JP
- Japan
- Prior art keywords
- dopant
- polymer film
- film
- electrode body
- conductive polymer
- 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
- 239000003990 capacitor Substances 0.000 title claims description 16
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000007787 solid Substances 0.000 title claims description 7
- 239000002019 doping agent Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 14
- 229920001940 conductive polymer Polymers 0.000 claims description 31
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 claims description 14
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 8
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 8
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000011888 foil Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229930192474 thiophene Natural products 0.000 claims description 4
- 150000007942 carboxylates Chemical class 0.000 claims 1
- 229920006254 polymer film Polymers 0.000 claims 1
- 238000006116 polymerization reaction Methods 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 5
- 238000004804 winding Methods 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 abstract description 2
- 239000002120 nanofilm Substances 0.000 abstract 6
- 150000001732 carboxylic acid derivatives Chemical class 0.000 abstract 2
- 238000004299 exfoliation Methods 0.000 abstract 2
- 238000005452 bending Methods 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 11
- 239000000178 monomer Substances 0.000 description 8
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229920000128 polypyrrole Polymers 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000002950 deficient Effects 0.000 description 4
- 238000005868 electrolysis reaction Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 239000003115 supporting electrolyte Substances 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 3
- 150000001734 carboxylic acid salts Chemical class 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- WFMGQHBNGMIKCM-UHFFFAOYSA-M phenylmethanesulfonate;tetrabutylazanium Chemical compound [O-]S(=O)(=O)CC1=CC=CC=C1.CCCC[N+](CCCC)(CCCC)CCCC WFMGQHBNGMIKCM-UHFFFAOYSA-M 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000007784 solid electrolyte Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 229940090948 ammonium benzoate Drugs 0.000 description 1
- -1 ammonium carboxylates Chemical class 0.000 description 1
- IHRIVUSMZMVANI-UHFFFAOYSA-N azane;2-methylbenzenesulfonic acid Chemical compound [NH4+].CC1=CC=CC=C1S([O-])(=O)=O IHRIVUSMZMVANI-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- ITPKQLWJKWUWPB-UHFFFAOYSA-H dialuminum;decanedioate Chemical compound [Al+3].[Al+3].[O-]C(=O)CCCCCCCCC([O-])=O.[O-]C(=O)CCCCCCCCC([O-])=O.[O-]C(=O)CCCCCCCCC([O-])=O ITPKQLWJKWUWPB-UHFFFAOYSA-H 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、ポリピロールなどの導電性高分子膜を固体電
解質として用いた電解コンデンサの製造方法に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a method for manufacturing an electrolytic capacitor using a conductive polymer film such as polypyrrole as a solid electrolyte.
従来の技術
従来のポリピロールなどの導電性高分子膜を固体電解質
として用いた電解コンデンサでは、あらかじめ粗面化し
た皮膜形成性金属箔に誘電体皮膜を形成し、この誘電体
皮膜を形成した金属に酸化剤を用いて、ビロール、チオ
フェン、アニリンまたはフランなどの化学酸化重合導電
性高分子膜を形成せしめた後、該化学酸化重合導電性高
分子膜上に電解重合導電性高分子膜を形成した電極を用
いて固体電解コンデンサを構成したものが検討されてい
る。Conventional technology In conventional electrolytic capacitors that use a conductive polymer film such as polypyrrole as a solid electrolyte, a dielectric film is formed on a film-forming metal foil that has been roughened in advance, and the metal on which this dielectric film is formed is coated with a dielectric film. After forming a chemically oxidized conductive polymer film of virol, thiophene, aniline, or furan using an oxidizing agent, an electrolytically polymerized conductive polymer film was formed on the chemically oxidized conductive polymer film. Solid electrolytic capacitors constructed using electrodes are being considered.
発明が解決しようとする問題点
上述の固体電解コンデンサにおいては、導電性高分子膜
を形成した後、巻回しなどにより電極体を加工しようと
しても、生成した導電性高分子膜はきわめて硬度が高い
ために不可能であり、強力に加工した場合には導電性高
分子膜は破壊してしまう。Problems to be Solved by the Invention In the solid electrolytic capacitor described above, even if an attempt is made to process the electrode body by winding or the like after forming a conductive polymer film, the resulting conductive polymer film has extremely high hardness. Therefore, it is impossible, and the conductive polymer film will be destroyed if it is processed strongly.
また、化学１合した段階で巻回しなどの加工する方法も
考えられるが、巻回し時、機械と接触あるいは振動によ
り、化学重合により形成された導電性高分子膜が上記電
極体の表面より剥離、脱落などが生ずるといった問題が
あり、未だ実用化には至っていない。Alternatively, a method of processing such as winding at the stage of chemical polymerization may be considered, but during winding, the conductive polymer film formed by chemical polymerization may peel off from the surface of the electrode body due to contact with a machine or vibration. There are problems such as , falling off, etc., and it has not yet been put into practical use.
問題点を解決するための手段
あらかじめ粗面化した皮膜形成性金属箔に誘電体皮膜を
形成し、この誘電体皮膜上にビロール、チオフェン、ア
ニリンまたはフランなどの化学酸化重合導電性高分子膜
を形成した後、電解重合することにより該化学酸化重合
導電性高分子膜上にドーパントをドーピングさせながら
、電解重合導電性高分子膜を形成する工程と、その後カ
ルボン酸塩の溶液中で該電極体を陰極（負極）として電
解することにより、脱ドープあるいはドーパント含有量
を減少させたあと、各形状の電極に加工し、再度ドーパ
ントをドーピングさせながら電解重合導電性高分子膜を
形成する工程を経て、電極体を形成することを特徴とす
る固体電解コンデンサの製造方法である。Means for solving the problem: A dielectric film is formed on a film-forming metal foil that has been roughened in advance, and a chemically oxidized conductive polymer film of virol, thiophene, aniline, or furan is coated on this dielectric film. After the formation, a step of forming an electrolytically polymerized conductive polymer film while doping a dopant onto the chemical oxidation polymerized conductive polymer film by electrolytic polymerization, and then forming the electrode body in a solution of a carboxylic acid salt. After dedoping or reducing the dopant content by electrolyzing it as a cathode (negative electrode), it is processed into electrodes of various shapes and goes through the process of forming an electropolymerized conductive polymer film while doping the dopant again. , a method for manufacturing a solid electrolytic capacitor characterized by forming an electrode body.
作用
本発明の固体電解コンデンサの製造方法では、あらかじ
め誘電体皮膜を形成した皮膜形成性金属箔にビロール、
チオフェン、アニリンまたはフランなどの化学酸化重合
導電性高分子膜を形成した後、電解重合することにより
該化学酸化重合導電性高分子膜上にドーパントをドーピ
ングさせながら電解重合導電性高分子膜を形成したあと
、カルボン酸塩の溶液中で該電極体を陰極（負極）とし
て電解することにより、脱ドープさせる工程を付加した
ものである。Function: In the method for manufacturing a solid electrolytic capacitor of the present invention, virol,
After forming a chemically oxidized conductive polymer film of thiophene, aniline, or furan, electropolymerization is performed to form an electrolytically polymerized conductive polymer film while doping a dopant onto the chemically oxidized conductive polymer film. After that, a step of dedoping is added by electrolyzing the electrode body in a solution of a carboxylic acid salt as a cathode (negative electrode).
ポリピロールなどの導電性高分子膜はその伝導性を高め
るため、各種のドーパントを皮膜内に含有している。ド
ーパントを多量に含有している導電性高分子膜は極めて
硬度が高い性質をもっているが、ドーパントの含有量が
低い場合には硬度は低下し、柔らかい皮膜となり電極と
ともに、巻回、折曲げなどの加工が可能となる。また導
電性高分子膜は電極との密着性が高く、また電解重合後
の導電性高分子膜の表面は極めて均一であり、脱ドーパ
ント後も機械と接触しても剥離、脱落などの問題は発生
しない。Conductive polymer films such as polypyrrole contain various dopants in order to increase their conductivity. A conductive polymer film containing a large amount of dopant has extremely high hardness, but if the dopant content is low, the hardness decreases and it becomes a soft film that can be rolled, bent, etc. along with the electrode. Processing becomes possible. In addition, the conductive polymer film has high adhesion with the electrode, and the surface of the conductive polymer film after electrolytic polymerization is extremely uniform, so there are no problems such as peeling or falling off even after dedopanting and when it comes into contact with machinery. Does not occur.
また、脱ドーパントの方法はカルボン酸塩の溶液中で該
電極体を陰極（負極）として電解するだすで可能であり
、量産においても充分容易な操作である。In addition, the de-dopant method can be performed by electrolyzing the electrode body in a solution of a carboxylic acid salt using the electrode body as a cathode (negative electrode), and the operation is sufficiently easy even in mass production.
実施例 本発明を従来例と比較して説明する。Example The present invention will be explained in comparison with a conventional example.
従来例−１
あらかじめ粗面化しその上に耐電圧２５Ｖ相当の誘電体
皮膜を形成したアルミニウム箔を陽極（試料面積３ｍｍ
ＸＩＯｍｍ）とし、これに過硫酸アンモニウム０．０５
モル／ｌの水溶液に浸漬したあと、ピロール単量体３モ
ル／ｌを含む７セトニトリル溶液に１０分間浸漬し、化
学酸化重合導電性高分子膜を形成した。さらに該電極を
ビロール単量体０，０２モル／１２．支持電解質として
０．０５モル／ｊ２のトルエンスルホン酸テトラブチル
アンモニウムを含む７セトニトリル溶液中でステンレス
板を陰極（負極）として、０．５ｍＡ、 １５０分間
電解重合を行い、電解重合ポリピロールである電解重合
導電性高分子膜を上記化学酸化重合導電性高分子膜上に
積層し形成した。Conventional Example-1 An aluminum foil with a roughened surface and a dielectric film with a withstand voltage of 25 V formed thereon was used as an anode (sample area: 3 mm).
XIOmm) and add 0.05 ammonium persulfate to this.
After being immersed in an aqueous solution containing 3 mol/l of pyrrole monomer, it was immersed for 10 minutes in a 7 setonitrile solution containing 3 mol/l of pyrrole monomer to form a chemically oxidized and polymerized conductive polymer film. Furthermore, the electrode was mixed with 0.02 mole of virol monomer/12. Electrolytic polymerization was carried out at 0.5 mA for 150 minutes using a stainless steel plate as a cathode (negative electrode) in a 7-cetonitrile solution containing 0.05 mol/j2 of tetrabutylammonium toluenesulfonate as a supporting electrolyte to produce electrolytically polymerized polypyrrole. A conductive polymer film was laminated and formed on the chemically oxidized and polymerized conductive polymer film.
電極体を巻回し円筒上の電極構造に加工した。さらに、
この表面にカーボン層を形成し、銀ペーストを用いて対
極の陰極リードを取付け、エポキシ樹脂により外装し、
コンデンサを製作した。このコンデンサの特性を第１表
に従来例−１として示す。The electrode body was wound and processed into a cylindrical electrode structure. moreover,
A carbon layer is formed on this surface, a counter cathode lead is attached using silver paste, and the exterior is covered with epoxy resin.
I made a capacitor. The characteristics of this capacitor are shown in Table 1 as Conventional Example-1.
従来例−２
あらかじめ粗面化しその上に耐電圧２５Ｖ相当の誘電体
皮膜を形成したアルミニウム箔を陽極（試料面ｆＪＩ３
［ＩＸ ＩＯｎｗｎ） ｃ！：し、これに過硫酸７ン
モニウム０．０５モル／ｉの水溶液に浸漬したあと、ピ
ロール単量体３モル／ｉを含む７セトニトリル溶液に１
０分間浸漬し、化学酸化重合導電性高分子膜を形成した
。この電極体を巻回し円筒上の電極構造に加工した。Conventional Example-2 An aluminum foil with a roughened surface and a dielectric film with a withstand voltage of 25 V formed thereon was used as an anode (sample surface fJI3).
[IX IOnwn) c! :, and then immersed in an aqueous solution of 0.05 mol/i of 7 ammonium persulfate, and then immersed in a 7 setonitrile solution containing 3 mol/i of pyrrole monomer.
The sample was immersed for 0 minutes to form a chemically oxidized conductive polymer film. This electrode body was wound and processed into a cylindrical electrode structure.
さらに該電極をビロール単連体０．０２モル／ｉ、支持
電解質として０．０５モル／Ｉ２のトルエンスルホン酸
テトラブチル７ンモニウムを含む７セトニトリル溶液中
でステンレス板を陰極として、０ 、５ ｍ Ａ ％１
５０１５０分間電解行い、電解重合ポリピロールを上記
化学酸化重合導電性高分子膜上に積層し形成した。さら
に、この表面にカーボン層を形成し、銀ペーストを用い
て対極の陰極リードを取付け、エポキシ樹脂により外装
し、コンデンサを製作した。このコンデンサの特性を第
１表に従来例−２として示す。Further, the electrode was heated at 0.5 mA%1 using a stainless steel plate as a cathode in a 7cetonitrile solution containing 0.02 mol/i of pyrrole monomer and 0.05 mol/I2 tetrabutyl 7 ammonium toluenesulfonate as a supporting electrolyte.
Electrolysis was carried out for 50,150 minutes to form an electrolytically polymerized polypyrrole layered on the chemically oxidized conductive polymer film. Furthermore, a carbon layer was formed on this surface, a counter cathode lead was attached using silver paste, and the capacitor was packaged with epoxy resin. The characteristics of this capacitor are shown in Table 1 as Conventional Example-2.
実施例−１
あらかじめ粗面化しその上に耐電圧２５Ｖ相当の誘電体
皮膜を形成させたアルミニウム箔を陽極（試料面積３ｍ
ｍＸＩＯｍｍ）とし、これに過硫酸アンモニウム０．０
５モル／ｌの水溶液に浸漬したあと、ピロール単量体３
モル／ｌを含む７セトニトリル溶液に１０分間浸漬し、
化学酸化重合導電性高分子膜を形成した。さらに該電極
をビロール単量体０．０２モル／Ｊ２、支持電解質とし
て０．０５モル／ｊ２のトルエンスルホン酸テトラブチ
ルアンモニウムを含む７セトニトリル溶液中でステンレ
ス板を陰極（負極）として、０．５ｍ Ａ 、１５０分
間電解重合を行い、電解重合ポリピロールを上記化学酸
化重合導電性高分子膜上に積層し形成した。該電極体を
陰極（負極）としてＩＯｗ ｔ％の７ジピン酸７ンモニ
ウムの水溶液中で１ｍＡ、３０秒間、カーボン板を陽極
として電解した後乾燥し、電極体を巻回し円筒上の電極
構造に加工した。さらに、該電極体をピロール単量体０
，０１モル／ｌ、支持電解質として０．５モル／ｌのト
ルエンスルホン酸テトラブチルアンモニウムを含むアセ
トニトリル溶液中で、ステンレス板を陰極（負極）とし
て％ ０．５ｍＡｓ １０分間電解重合を行い再ドー
ピングさせ電極体を形成した。この表面にカーボン層を
形成し、銀ペーストを用いて対極の陰極リードを取り付
け、エポキシ樹脂により外装し、コンデンサを製作した
。このコンデンサの特性を第１表に実施例−１として示
す。Example 1 An aluminum foil with a roughened surface and a dielectric film with a withstand voltage of 25 V formed thereon was used as an anode (sample area: 3 m).
mXIOmm), and ammonium persulfate 0.0
After immersion in a 5 mol/l aqueous solution, pyrrole monomer 3
7 mol/l immersion in a settonitrile solution for 10 minutes,
A conductive polymer film was formed by chemical oxidation polymerization. Further, the electrode was placed in a 7-cetonitrile solution containing 0.02 mol/J2 of virol monomer and 0.05 mol/J2 tetrabutylammonium toluenesulfonate as a supporting electrolyte, using a stainless steel plate as a cathode (negative electrode) for 0.5 m. A. Electrolytic polymerization was performed for 150 minutes to form an electrolytically polymerized polypyrrole layered on the chemically oxidized conductive polymer film. Using the electrode body as a cathode (negative electrode), electrolysis was performed at 1 mA for 30 seconds in an aqueous solution of 7 ammonium dipic acid with IOwt% using a carbon plate as an anode, and then dried, and the electrode body was wound and processed into a cylindrical electrode structure. did. Furthermore, the electrode body contains pyrrole monomer 0
In an acetonitrile solution containing 0.01 mol/l and 0.5 mol/l of tetrabutylammonium toluenesulfonate as a supporting electrolyte, electropolymerization was carried out for 10 minutes using a stainless steel plate as a cathode (negative electrode) for redoping. An electrode body was formed. A carbon layer was formed on this surface, a counter cathode lead was attached using silver paste, and the capacitor was packaged with epoxy resin. The characteristics of this capacitor are shown in Table 1 as Example-1.
なお、第１表の良品率はショート品を不良として求めた
もので、電気的特性は良品を測定し得た試料数１００ケ
の値を示す。Note that the non-defective product rate in Table 1 was determined by considering short-circuited products as defective, and the electrical characteristics show the values for 100 samples in which non-defective products were measured.
以上第１表に示すとおり本発明による実施例は良品率、
各特性においても良好な結果であった。As shown in Table 1 above, the examples according to the present invention have a good product rate,
Good results were obtained in each characteristic.
特に良品率、漏れ電流においては著しい効果を示す。ま
た、電極体を所定のコンデンサ素子に加工時、前処理と
して脱ドープまたはドーパント含有量を減少させ、電極
体を加工しやすくし、かつ加工後回ドープする本発明法
はコンデンサの構造において、単板、積層、巻回しいず
れの電極構造においても同様な効果があり、また他の皮
膜形成性金属を用いた場合にも本発明法は効果的であり
、かつ本実施例に限らず、他の導電性高分子を用いても
同様な効果か得られた。さらに、脱ドープあるいはドー
パント含有量を減少させる処理においては実施例で用い
た７ジビン酸アンモニウムの水溶液に限らず、安息香酸
７ンモニウム、セバシン酸アルミニウムなどのカルボン
酸アンモニウム水溶液、フルコール溶液においてもその
効果は確認された。また、電流密度、電解時間を種々変
えて評価したがいずれの条件においてもその効果は確認
されたが、電流密度して０．２〜６ｍＡ／ｃＩｌｉが望
ましく、電解時間として１０〜２４０秒が望ましい。In particular, it shows remarkable effects in terms of non-defective product rate and leakage current. In addition, when processing an electrode body into a predetermined capacitor element, the method of the present invention, in which the electrode body is dedoped or the dopant content is reduced as a pretreatment to make the electrode body easier to process, and the electrode body is doped after processing, can be used to Similar effects can be obtained with plate, laminated, or wound electrode structures, and the method of the present invention is also effective when using other film-forming metals. Similar effects were obtained using conductive polymers. Furthermore, in the process of dedoping or reducing the dopant content, the effect is not limited to the aqueous solution of ammonium 7-dibate used in the examples, but also an aqueous solution of ammonium carboxylates such as 7-ammonium benzoate and aluminum sebacate, and a Flucol solution. has been confirmed. In addition, we evaluated various current densities and electrolysis times, and the effect was confirmed under all conditions, but a current density of 0.2 to 6 mA/cIli is desirable, and an electrolysis time of 10 to 240 seconds is desirable. .
発明の効果
以上のように、本発明の固体電解コンデンサの製造方法
は、製造歩留の向上、漏れ電流の安定、信頼性向上に大
きく寄与し、工業的ならびに実用的価値大なるものであ
る。Effects of the Invention As described above, the method for manufacturing a solid electrolytic capacitor of the present invention greatly contributes to improving manufacturing yield, stabilizing leakage current, and improving reliability, and has great industrial and practical value.
Claims (1)
を形成し、この誘電体皮膜上にピロール、チオフェン、
アニリンまたはフランなどの化学酸化重合導電性高分子
膜を形成した後、電解重合することにより該化学酸化重
合導電性高分子膜上にドーパントをドーピングさせなが
ら、電解重合導電性高分子膜を形成する工程と、その後
カルボン酸塩の溶液中で該電極体を陰極として電解する
ことにより、脱ドープあるいはドーパント含有量を低下
させたあと各形状の電極に加工し、再度ドーパントをド
ーピングさせながら電解重合導電性高分子膜を形成する
工程を経て、電極体を形成することを特徴とする固体電
解コンデンサの製造方法。A dielectric film is formed on a film-forming metal foil that has been roughened in advance, and pyrrole, thiophene,
After forming a chemically oxidized conductive polymer film of aniline or furan, etc., electropolymerization is performed to form an electrolytically polymerized conductive polymer film while doping a dopant onto the chemically oxidized conductive polymer film. After that, the electrode body is electrolyzed in a carboxylate solution as a cathode to dedope or reduce the dopant content, and then processed into electrodes of various shapes, and electrolytically polymerized conductive while doping the dopant again. 1. A method for manufacturing a solid electrolytic capacitor, which comprises forming an electrode body through a step of forming a polymer film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20719189A JPH0371618A (en) | 1989-08-10 | 1989-08-10 | Manufacture of solid electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20719189A JPH0371618A (en) | 1989-08-10 | 1989-08-10 | Manufacture of solid electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0371618A true JPH0371618A (en) | 1991-03-27 |
Family
ID=16535757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20719189A Pending JPH0371618A (en) | 1989-08-10 | 1989-08-10 | Manufacture of solid electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0371618A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002322295A (en) * | 2001-04-25 | 2002-11-08 | Chemiprokasei Kaisha Ltd | Film of polypyrroles, method for producing the same and thermoelectric material comprising the same |
| JP6411689B1 (en) * | 2018-03-29 | 2018-10-24 | ニッポン高度紙工業株式会社 | Separator for solid electrolytic capacitor or hybrid electrolytic capacitor and solid electrolytic capacitor or hybrid electrolytic capacitor. |
-
1989
- 1989-08-10 JP JP20719189A patent/JPH0371618A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002322295A (en) * | 2001-04-25 | 2002-11-08 | Chemiprokasei Kaisha Ltd | Film of polypyrroles, method for producing the same and thermoelectric material comprising the same |
| JP6411689B1 (en) * | 2018-03-29 | 2018-10-24 | ニッポン高度紙工業株式会社 | Separator for solid electrolytic capacitor or hybrid electrolytic capacitor and solid electrolytic capacitor or hybrid electrolytic capacitor. |
| WO2019188659A1 (en) * | 2018-03-29 | 2019-10-03 | ニッポン高度紙工業株式会社 | Separator for aluminum electrolytic capacitors, and aluminum electrolytic capacitor |
| JP2019176073A (en) * | 2018-03-29 | 2019-10-10 | ニッポン高度紙工業株式会社 | Separator for solid or hybrid electrolytic capacitor, and solid or hybrid electrolytic capacitor |
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