JP2571941B2 - Electrolytic capacitor - Google Patents
Electrolytic capacitorInfo
- Publication number
- JP2571941B2 JP2571941B2 JP62245903A JP24590387A JP2571941B2 JP 2571941 B2 JP2571941 B2 JP 2571941B2 JP 62245903 A JP62245903 A JP 62245903A JP 24590387 A JP24590387 A JP 24590387A JP 2571941 B2 JP2571941 B2 JP 2571941B2
- Authority
- JP
- Japan
- Prior art keywords
- separator paper
- capacitor
- conductive
- electrolytic capacitor
- 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.)
- Expired - Lifetime
Links
- 239000003990 capacitor Substances 0.000 title claims description 30
- 229920001940 conductive polymer Polymers 0.000 claims description 14
- 239000011888 foil Substances 0.000 claims description 14
- 239000003792 electrolyte Substances 0.000 claims description 4
- 229920000767 polyaniline Polymers 0.000 claims description 2
- 229920000414 polyfuran Polymers 0.000 claims description 2
- 229920000128 polypyrrole Polymers 0.000 claims description 2
- 229920000123 polythiophene Polymers 0.000 claims description 2
- 239000000123 paper Substances 0.000 description 26
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 12
- 229910052782 aluminium Inorganic materials 0.000 description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 10
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 239000000178 monomer Substances 0.000 description 6
- 239000002655 kraft paper Substances 0.000 description 5
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 4
- 239000007800 oxidant agent Substances 0.000 description 4
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- -1 halogen acids Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 1
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- FLDCSPABIQBYKP-UHFFFAOYSA-N 5-chloro-1,2-dimethylbenzimidazole Chemical compound ClC1=CC=C2N(C)C(C)=NC2=C1 FLDCSPABIQBYKP-UHFFFAOYSA-N 0.000 description 1
- 239000001741 Ammonium adipate Substances 0.000 description 1
- 229910021630 Antimony pentafluoride Inorganic materials 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 235000019293 ammonium adipate Nutrition 0.000 description 1
- VBVBHWZYQGJZLR-UHFFFAOYSA-I antimony pentafluoride Chemical compound F[Sb](F)(F)(F)F VBVBHWZYQGJZLR-UHFFFAOYSA-I 0.000 description 1
- YBGKQGSCGDNZIB-UHFFFAOYSA-N arsenic pentafluoride Chemical compound F[As](F)(F)(F)F YBGKQGSCGDNZIB-UHFFFAOYSA-N 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 229930188620 butyrolactone Natural products 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- MEUZEBOPFDRIBW-UHFFFAOYSA-N ethanol;1h-pyrrole Chemical compound CCO.C=1C=CNC=1 MEUZEBOPFDRIBW-UHFFFAOYSA-N 0.000 description 1
- UQSQSQZYBQSBJZ-UHFFFAOYSA-N fluorosulfonic acid Chemical compound OS(F)(=O)=O UQSQSQZYBQSBJZ-UHFFFAOYSA-N 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- CBEQRNSPHCCXSH-UHFFFAOYSA-N iodine monobromide Chemical compound IBr CBEQRNSPHCCXSH-UHFFFAOYSA-N 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- OBCUTHMOOONNBS-UHFFFAOYSA-N phosphorus pentafluoride Chemical compound FP(F)(F)(F)F OBCUTHMOOONNBS-UHFFFAOYSA-N 0.000 description 1
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003115 supporting electrolyte Substances 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/022—Electrolytes; Absorbents
- H01G9/025—Solid electrolytes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/52—Separators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は電気的特性の優れた電解コンデンサに関し、
さらに詳しくは導電性高分子により導電化されたセパレ
ータ紙を有する捲回型電解コンデンサに関する。The present invention relates to an electrolytic capacitor having excellent electrical characteristics.
More specifically, the present invention relates to a wound electrolytic capacitor having separator paper made conductive by a conductive polymer.
（従来の技術） 従来、電解コンデンサの多くは誘電体酸化皮膜を有す
る陽極箔とセパレータ紙及び陰極箔とを捲回した捲回構
造をとり、ことにアルミニウム電解コンデンサにはこの
構造が多く採用されている。これらのコンデンサには駆
動用電解液として、水またはエチレングリコール、γ−
ブチロラクトンなどの有機溶媒を溶媒として用い、種々
の電解質を溶解させたものが使用されている。又、セパ
レータ紙としては30〜60μｍの厚さのマニラ紙またはク
ラフト紙が使用されている。(Prior art) Conventionally, most electrolytic capacitors have a wound structure in which an anode foil having a dielectric oxide film, a separator paper and a cathode foil are wound, and this structure is often employed for aluminum electrolytic capacitors. ing. Water or ethylene glycol, γ-
An organic solvent such as butyrolactone is used as a solvent in which various electrolytes are dissolved. Manila paper or kraft paper having a thickness of 30 to 60 μm is used as separator paper.
最近、デジタル機器の発達に伴ない、装置の小型化や
回路の高周波化が推進されている。このような情況下に
おいて、回路に使用される電解コンデンサも小型化及び
高周波領域における低インピーダンス化が課題となって
いる、低インピーダンス化の要請に対し、駆動用電解液
を改良して、低抵抗化を計る試みも数多く行なわれてい
るが、未だ十分な性能を有していなかった。Recently, along with the development of digital devices, miniaturization of devices and higher frequencies of circuits have been promoted. Under such circumstances, the electrolytic capacitors used in the circuits have also been challenged to be miniaturized and low impedance in the high frequency region. Although many attempts have been made to achieve this, they have not yet had sufficient performance.
（問題点を解決するための手段） 前記した電解コンデンサの抵抗が高くなる主な原因と
しては、電解液の抵抗、セパレータ紙の抵抗などが考え
られる。本発明者らは前記した問題点を解決するために
種々検討した結果、導電性高分子で導電化した紙をセパ
レータ紙として使用することにより低インピーダンス化
の目的が達せられることを見い出した。(Means for Solving the Problems) The main causes of the increase in the resistance of the electrolytic capacitor are considered to be the resistance of the electrolytic solution and the resistance of the separator paper. The present inventors have conducted various studies in order to solve the above-mentioned problems, and as a result, have found that the purpose of reducing impedance can be achieved by using paper made conductive with a conductive polymer as separator paper.
即ち、マニラ紙またはクラフト紙などのセパレータ紙
をポリピロール、ポリチオフェン、ポリアニリンあるい
はポリフランなどで導電化した導電性セパレータ紙を用
いる電解コンデンサである。That is, an electrolytic capacitor using a conductive separator paper in which separator paper such as manila paper or kraft paper is made conductive with polypyrrole, polythiophene, polyaniline, or polyfuran.
本発明を本発明の構成を示す第１図について説明する
と、誘電体酸化皮膜を形成させリード（４）を取り付け
たアルミニウム陽極箔（２）と、同じくリード（４）を
取り付けたアルミニウム陰極箔（３）との間に、導電性
高分子で導電化したセパレータ紙（１）を介在させ、自
動捲取機等で捲回しコンデンサ素子とし、駆動用電解液
に含浸させた後、アルミニウムケースに入れ、ゴム等で
封口し目的とするコンデンサを完成させる。また陽極箔
を陰極箔及びセパレータ紙と共に捲回し、捲回素子を完
成した後、セパレータ紙を導電化することもできる。The present invention will be described with reference to FIG. 1 showing the structure of the present invention. An aluminum anode foil (2) having a dielectric oxide film formed thereon and having a lead (4) attached thereto and an aluminum cathode foil (also having a lead (4) attached thereto) 3), a separator paper (1) made conductive with a conductive polymer is interposed therebetween, wound by an automatic winding machine or the like to form a capacitor element, impregnated with a driving electrolyte, and then put in an aluminum case. Seal with rubber or the like to complete the target capacitor. After the anode foil is wound together with the cathode foil and the separator paper to complete the wound element, the separator paper can be made conductive.
セパレータ紙上に導電性高分子を付着させる方法とし
ては、酸化剤または酸化剤を含む溶液にセパレータ紙を
浸漬処理するか、これらの薬剤をセパレータ紙に塗布処
理した後、導電性高分子単量体または導電性高分子単量
体溶液に浸漬処理するかまたはこれらの薬剤を塗布処理
することによって導電性高分子単量体が化学的に酸化重
合し、目的が達成される。導電性高分子単量体または導
電性高分子単量体溶液による処理を先に行なっても何等
支障ない。又、処理方法として気相で行なうことも可能
である。更に、該導電性セパレータ紙の導電性をさらに
向上させたい場合には、化学酸化重合による導電性高分
子が付着した該セパレータ紙を陽極として、導電性高分
子単量体及び支持電解質を含む電解液中で電解酸化重合
することにより高い導電性を持つ導電性セパレータ紙を
得ることができる。As a method of attaching the conductive polymer on the separator paper, the separator paper is immersed in an oxidizing agent or a solution containing the oxidizing agent, or after applying these agents to the separator paper, the conductive polymer monomer Alternatively, the conductive polymer monomer is chemically oxidized and polymerized by immersion treatment in the conductive polymer monomer solution or application of these agents, thereby achieving the object. It does not matter at all if the treatment with the conductive polymer monomer or the conductive polymer monomer solution is performed first. It is also possible to perform the treatment in a gas phase as a treatment method. Further, when it is desired to further improve the conductivity of the conductive separator paper, the separator paper to which the conductive polymer is attached by chemical oxidation polymerization is used as an anode, and an electrolytic solution containing a conductive polymer monomer and a supporting electrolyte is used. By conducting electrolytic oxidation polymerization in a liquid, a conductive separator paper having high conductivity can be obtained.
前記した酸化剤として、ヨウ素、臭素、ヨウ化臭素な
どのハロゲン、二酸化塩素などのハロゲン酸、五フッ化
ヒ素、五フッ化アンチモン、五フッ化リンなどの金属ハ
ロゲン化物、硫酸、硝酸、フルオロ硫酸などのプロトン
酸、三酸化イオウ、二酸化窒素などの含酸素化合物、過
硫酸ナトリウム、過硫酸カリウム、過硫酸アンモニウム
などの過硫酸塩、過酸化水素、過酢酸などの酢酸化物な
どの酸化剤を用いる。Examples of the oxidizing agent include halogens such as iodine, bromine and bromine iodide, halogen acids such as chlorine dioxide, metal halides such as arsenic pentafluoride, antimony pentafluoride and phosphorus pentafluoride, sulfuric acid, nitric acid, and fluorosulfuric acid. For example, an oxidizing agent such as a protonic acid such as sulfur trioxide and oxygen dioxide such as nitrogen dioxide, a persulfate such as sodium persulfate, potassium persulfate and ammonium persulfate, and an acetic acid oxide such as hydrogen peroxide and peracetic acid is used.
以下、実施例により本発明を具体的に説明するが、本
発明はこれらの実施例に限定されるものではない。Hereinafter, the present invention will be described specifically with reference to Examples, but the present invention is not limited to these Examples.
（実施例 １） 厚さ60μｍ、長さ8cm、幅7mmのクラフト紙２枚をピロ
ールのエタノール溶液（2mol/）に30秒浸漬した後、
過硫酸アンモニウムの水溶液（0.5mol/）に２分浸漬
して、ピロールをクラフト紙表面で酸化重合させ、黒色
の導電性セパレータ紙を得た。表面を粗面化し、陽極酸
化により誘電体酸化皮膜を形成させ、リードを取り付け
た陽極用アルミニウム箔（長さ7cm、幅5mm）と陰極用ア
ルミニウム箔（長さ7cm、幅5mm）と前記した導電性セパ
レータ紙を第１図のように捲回してコンデンサ素子（液
中容量47μＦ）とした。エチレングリコール100重量
部、アジピン酸アンモニウム15重量部、水10重量部を混
合し、これら混合液100gに対し75％のリン酸0.02mlを添
加した液を駆動用電解液としてコンデンサ素子に含浸さ
せ、アルミニウムケースに入れ、ゴムで封口しコンデン
サを完成させた。得られたコンデンサの初期性能を第１
表に示す。(Example 1) Two pieces of kraft paper having a thickness of 60 µm, a length of 8 cm and a width of 7 mm were immersed in an ethanol solution of pyrrole (2 mol /) for 30 seconds.
Pyrrole was immersed in an aqueous solution of ammonium persulfate (0.5 mol /) for 2 minutes to oxidize and polymerize pyrrole on the surface of the kraft paper to obtain a black conductive separator paper. The surface is roughened, a dielectric oxide film is formed by anodic oxidation, and aluminum foil for anode (length 7 cm, width 5 mm) and aluminum foil for cathode (length 7 cm, width 5 mm) to which leads are attached, and The conductive separator paper was wound as shown in FIG. 1 to obtain a capacitor element (capacity in liquid: 47 μF). 100 parts by weight of ethylene glycol, 15 parts by weight of ammonium adipate, and 10 parts by weight of water are mixed, and a solution obtained by adding 0.02 ml of 75% phosphoric acid to 100 g of the mixed solution is impregnated into a capacitor element as a driving electrolyte. It was placed in an aluminum case and sealed with rubber to complete the capacitor. The initial performance of the obtained capacitor
It is shown in the table.
（実施例 ２） 過硫酸アンモニウムの代りに過硫酸カリウムを、また
ピロールの代りにチオフェンを用いた他は実施例１と全
く同様にしてコンデンサを完成させた。得られたコンデ
ンサの初期性能を第１表に示す。Example 2 A capacitor was completed in exactly the same manner as in Example 1 except that potassium persulfate was used instead of ammonium persulfate and thiophene was used instead of pyrrole. Table 1 shows the initial performance of the obtained capacitors.
（実施例 ３） ピロールのエタノール溶液の代りにアニリンのエタノ
ール溶液を使用した他は実施例１と全く同様にしてコン
デンサを完成させた。得られたコンデンサの初期性能を
第１表に示す。Example 3 A capacitor was completed in exactly the same manner as in Example 1 except that an ethanol solution of aniline was used instead of the ethanol solution of pyrrole. Table 1 shows the initial performance of the obtained capacitors.
（実施例 ４） 厚さ60μｍ、長さ8cm、幅7mmのクラフト紙２枚、表面
を粗面化し陽極酸化皮膜を形成してリードを取り付けた
陽極用アルミニウム箔（長さ7cm、幅5mm）及び陰極用ア
ルミニウム箔（長さ7cm、幅5mm）を交互に重ねて捲回し
コンデンサ素子（液中容量47μＦ）を完成させた。この
素子を過硫酸アンモニウム水溶液（3mol/）に真空中
で５分間浸漬した後、ピロールのエタノール溶液（1mol
/）に常圧下で５分間浸漬し、セパレータ紙表面にピ
ロールを酸化重合させた。この素子を洗浄乾燥後、実施
例と同一の駆動用電解液を含浸させた後、アルミニウム
ケースに入れゴムで封口してコンデンサを完成させた。
得られたコンデンサの初期性能を第１表に示す。(Example 4) Two pieces of kraft paper having a thickness of 60 μm, a length of 8 cm and a width of 7 mm, an aluminum foil for an anode (length 7 cm, width 5 mm) to which a surface is roughened to form an anodized film and to which a lead was attached, and Aluminum foil for a cathode (length: 7 cm, width: 5 mm) was alternately layered and wound to complete a capacitor element (capacity in liquid: 47 μF). This device was immersed in an ammonium persulfate aqueous solution (3 mol /) for 5 minutes in a vacuum, and then a pyrrole ethanol solution (1 mol / mol) was added.
/) Was immersed under normal pressure for 5 minutes, and pyrrole was oxidatively polymerized on the separator paper surface. After washing and drying this element, it was impregnated with the same driving electrolyte solution as in the example, and then placed in an aluminum case and sealed with rubber to complete a capacitor.
Table 1 shows the initial performance of the obtained capacitors.
（比較例 １） セパレータ紙の導電化工程を省略した他は実施例４と
全く同様にしてコンデンサを完成させた。このコンデン
サの初期性能を第１表に示す。Comparative Example 1 A capacitor was completed in exactly the same manner as in Example 4 except that the step of making the separator paper conductive was omitted. Table 1 shows the initial performance of this capacitor.
（発明の効果） 前記したように導電性高分子により導電化したセパレ
ータ紙を使用したコンデンサは、高周波領域において低
抵抗を示し、電気的特性に優れたコンデンサを提供でき
た。 (Effect of the Invention) The capacitor using the separator paper made conductive by the conductive polymer as described above has a low resistance in a high-frequency region, and can provide a capacitor excellent in electric characteristics.
第１図は導電化したセパレータ紙を用いた捲回型電解コ
ンデンサの模式図である。 １……導電化セパレータ紙、２……陽極箔 ３……陰極箔、４……リードFIG. 1 is a schematic view of a wound electrolytic capacitor using a conductive separator paper. 1 ... conductive separator paper 2 ... anode foil 3 ... cathode foil 4 ... lead
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭49−119152（ＪＰ，Ａ) 特開 昭64−36012（ＪＰ，Ａ) ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-49-119152 (JP, A) JP-A-64-36012 (JP, A)
Claims (2)
タ紙及び陰極箔が捲回されたコンデンサ素子が駆動用電
解液に含浸されてなる電解コンデンサにおいて、セパレ
ータ紙が導電性高分子によって導電化されていることを
特徴とする電解コンデンサ。1. An electrolytic capacitor comprising a capacitor element on which an anode foil having a dielectric oxide film, a separator paper and a cathode foil wound thereon is impregnated with a driving electrolyte, wherein the separator paper is made conductive by a conductive polymer. An electrolytic capacitor characterized in that:
ン、ポリチオフェンまたはポリフランである特許請求の
範囲第１項記載の電解コンデンサ。2. The electrolytic capacitor according to claim 1, wherein the conductive polymer is polypyrrole, polyaniline, polythiophene or polyfuran.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62245903A JP2571941B2 (en) | 1987-10-01 | 1987-10-01 | Electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62245903A JP2571941B2 (en) | 1987-10-01 | 1987-10-01 | Electrolytic capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6490517A JPS6490517A (en) | 1989-04-07 |
| JP2571941B2 true JP2571941B2 (en) | 1997-01-16 |
Family
ID=17140537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62245903A Expired - Lifetime JP2571941B2 (en) | 1987-10-01 | 1987-10-01 | Electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2571941B2 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11283874A (en) | 1998-01-28 | 1999-10-15 | Matsushita Electric Ind Co Ltd | Electrolytic capacitor |
| JP3800829B2 (en) * | 1998-09-29 | 2006-07-26 | 松下電器産業株式会社 | Capacitor manufacturing method |
| JP2004303940A (en) | 2003-03-31 | 2004-10-28 | Matsushita Electric Ind Co Ltd | Electrolytic capacitor |
| JP4507500B2 (en) * | 2003-03-31 | 2010-07-21 | パナソニック株式会社 | Electrolytic capacitor manufacturing method |
| JP2006080112A (en) * | 2004-09-07 | 2006-03-23 | Matsushita Electric Ind Co Ltd | Electrolytic capacitor |
| CN101057306B (en) | 2004-09-07 | 2010-09-08 | 松下电器产业株式会社 | Electrolyte for electrolytic capacitor and electrolytic capacitor utilizing the same |
| JP4536625B2 (en) * | 2004-09-07 | 2010-09-01 | パナソニック株式会社 | Electrolytic solution for electrolytic capacitor and electrolytic capacitor using the same |
| JP5052746B2 (en) * | 2004-10-12 | 2012-10-17 | パナソニック株式会社 | Electrolytic capacitor |
| JP4534712B2 (en) * | 2004-10-21 | 2010-09-01 | パナソニック株式会社 | Electrolytic capacitor |
| KR100775124B1 (en) | 2006-09-07 | 2007-11-08 | 삼성전자주식회사 | System for maintaining freshness including flexible conducting polymer electrode |
| JP2008066502A (en) | 2006-09-07 | 2008-03-21 | Matsushita Electric Ind Co Ltd | Electrolytic capacitor |
| JP5824619B2 (en) * | 2013-07-04 | 2015-11-25 | パナソニックＩｐマネジメント株式会社 | Electrolytic capacitor |
| CN108022755B (en) * | 2016-11-01 | 2020-08-11 | 钰邦电子（无锡）有限公司 | Capacitor packaging structure without negative conductive foil and winding type assembly thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49119152A (en) * | 1973-03-20 | 1974-11-14 | ||
| JPS58123715A (en) * | 1982-01-18 | 1983-07-23 | 三洋電機株式会社 | Solid electrolytic condenser |
| JPS6436012A (en) * | 1987-07-31 | 1989-02-07 | Asahi Glass Co Ltd | Solid electrolytic capacitor |
-
1987
- 1987-10-01 JP JP62245903A patent/JP2571941B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6490517A (en) | 1989-04-07 |
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