JPH01117311A - Electric double layer capacitor - Google Patents
Electric double layer capacitorInfo
- Publication number
- JPH01117311A JPH01117311A JP62275363A JP27536387A JPH01117311A JP H01117311 A JPH01117311 A JP H01117311A JP 62275363 A JP62275363 A JP 62275363A JP 27536387 A JP27536387 A JP 27536387A JP H01117311 A JPH01117311 A JP H01117311A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- polarized electrode
- fiber
- laminating
- high molecular
- 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 abstract description 18
- 239000000835 fiber Substances 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 13
- 239000004744 fabric Substances 0.000 claims abstract description 11
- 229920005594 polymer fiber Polymers 0.000 claims description 4
- 239000002184 metal Substances 0.000 abstract description 7
- 229910052751 metal Inorganic materials 0.000 abstract description 7
- 238000010030 laminating Methods 0.000 abstract description 6
- 229920000728 polyester Polymers 0.000 abstract description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract description 2
- 239000003792 electrolyte Substances 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 abstract description 2
- 238000009940 knitting Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 238000004438 BET method Methods 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 241000872198 Serjania polyphylla Species 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は電気二重層コンデンサに関する。[Detailed description of the invention] (Industrial application field) The present invention relates to an electric double layer capacitor.
（従来の技術）
従来、電気二石層コンデンサは、分極性電極、セパレー
タ及び集電電極からなるコンデンサ素子をケースに収納
した構造になっている。(Prior Art) Conventionally, a double layer capacitor has a structure in which a capacitor element consisting of a polarizable electrode, a separator, and a current collecting electrode is housed in a case.
、 ところで、コンデンサ素子が巻回形の場合には、分
極性電極としてこしの強いシートが必要とされる。その
ため、従来は集電電極の表面にエキスバンドメタル等の
金ｌＦｌ箔にカーボンを敷きつめた構成の分極性電極を
用いていた。By the way, when the capacitor element is of a wound type, a stiff sheet is required as the polarizable electrode. For this reason, conventionally, a polarizable electrode having a configuration in which carbon is spread over gold lFl foil such as expanded metal has been used on the surface of the current collecting electrode.
（発明が解決しようとする問題点）
しかし、カーボン以外にエキスバンドメタル等の金属箔
を用いると、陽極として用いた場合に金属が溶出する欠
点があり、耐圧が金属溶出前の電圧に限定される欠点が
ある。(Problems to be Solved by the Invention) However, if metal foil such as expanded metal is used instead of carbon, there is a drawback that the metal will elute when used as an anode, and the withstand voltage will be limited to the voltage before metal elution. There are some drawbacks.
本発明の目的は、以上の欠点を改良し、耐圧を低下する
ことなく製造の容易な電気二重層コンデンサを提供する
ものである。An object of the present invention is to improve the above-mentioned drawbacks and provide an electric double layer capacitor that is easy to manufacture without lowering the withstand voltage.
（問題点を解決するための手段）
本発明は、上記の目的を達成するために、分極性電極、
セパレータ及び集電電極からなるコンデンサ素子を有す
る電気二重層コンデンサにおいて、カーボン系シートに
高分子ｓｌｆクロスシート又は炭化ｍ維シートを積層し
た分極性電極を有することを特徴とする電気二重層コン
デンサを提供するものである。(Means for Solving the Problems) In order to achieve the above object, the present invention provides polarizable electrodes,
Provided is an electric double layer capacitor having a capacitor element consisting of a separator and a current collecting electrode, characterized in that the electric double layer capacitor has a polarizable electrode in which a polymer SLF cloth sheet or a carbonized M fiber sheet is laminated on a carbon sheet. It is something to do.
（作用）
本発明によれば、高分子繊維クロスシート又は炭化繊維
シートをカーボン系シートに積層しているために、こし
が強く、引張強度の大きい分極性電極が得られる。(Function) According to the present invention, since the polymer fiber cloth sheet or the carbonized fiber sheet is laminated on the carbon sheet, a polarizable electrode with high stiffness and high tensile strength can be obtained.
この場合、カーボン系シートに吸油量がＤＢＰ法で２０
０ｄ／１００ｇ以上の導電性カーボンブラックを用いる
ことにより、分極性電極の抵抗を下げることができる。In this case, the oil absorption amount of the carbon sheet is 20% by DBP method.
By using conductive carbon black of 0d/100g or more, the resistance of the polarizable electrode can be lowered.
（実施例） 以下、本発明を実施例に基づいて説明する。(Example) Hereinafter, the present invention will be explained based on examples.
カーボン系シートは、吸油量（ＤＢＰ法）２００ｍ／１
００ｇ以上の導電性カーボンブラックにＰＴＦＥ等を混
ぜた物質により構成する。The carbon sheet has an oil absorption capacity (DBP method) of 200m/1.
It is made of a material that is a mixture of 00g or more of conductive carbon black with PTFE, etc.
また、高分子ＩＩＡ維クロスシートとしては、例えばポ
リエステル、アクリル、ナイロン、ポリプロピレン、ポ
リエチレン、フェノール４１ｉ１等を用い、この繊維を
１センチ角あたり１０本×１０木〜１００本×１００本
に編んで１０μＴｒＬ〜２００μｍの厚さとしたものを
用いる。In addition, as the polymer IIA fiber cloth sheet, for example, polyester, acrylic, nylon, polypropylene, polyethylene, phenol 41i1, etc. are used, and the fibers are woven into 10 x 10 pieces to 100 pieces x 100 pieces per 1 cm square to make 10μTrL. A material having a thickness of ~200 μm is used.
なお、高分子繊維の代わりに、電気キャリアとしてπ電
子をもった炭化ａ維シートを用いてもよい。Note that instead of the polymer fiber, a carbonized a-fiber sheet having π electrons as an electric carrier may be used.
分極性電極１は図に示す通り高分子繊維クロスシート２
（又は炭化繊維シート）の両面にカーボ。The polarizable electrode 1 is a polymer fiber cloth sheet 2 as shown in the figure.
(or carbonized fiber sheet) with carbs on both sides.
し ン系シート３を積層しプラスしたものである。・。death This is made by laminating and adding 3-layer sheets.・.
そしてセパレータの両面に分極性電極を積層してコンデ
ンサ素子とし、電解質を含浸して金属ケース内に収納し
、密閉する。Then, polarizable electrodes are laminated on both sides of the separator to form a capacitor element, which is impregnated with an electrolyte, housed in a metal case, and sealed.
以下に分極性電極の引張強度につき測定した。The tensile strength of the polarizable electrode was measured below.
その構成は次の通りである。Its composition is as follows.
実施例１）
カーボン系シートは、吸油量４００ｆｆｉｉ！／１００
９、粒子径１８ｍμ、比表面積（ＢＥＴ法）１３８０Ｔ
Ｉｔ／ｇの導電性カーボンブラックにＰＴＦＥを１０ｗ
ｔ％混入した材質により形成する。Example 1) The carbon-based sheet has an oil absorption of 400ffii! /100
9. Particle size 18 mμ, specific surface area (BET method) 1380T
10w of PTFE on It/g conductive carbon black
It is formed from a material mixed with t%.
ルミｌクロスを用いる。Use Lumil cloth.
分極性電極はこのポリエステル繊維クロスをカーボン系
シートで挟持し積層してプレスした厚さ７００μ乳のシ
ートである。The polarizable electrode is a sheet having a thickness of 700 μm, which is made by sandwiching this polyester fiber cloth between carbon sheets, laminating them, and pressing them.
実施例２）
実施例１）において、ポリエステル繊維のかわりにアク
リル系の炭化ｓｅａ
比較例
実施例１）においてポリエステル繊維を除去する。Example 2) In Example 1), the polyester fibers were replaced with acrylic carbonized sea.Comparative Example In Example 1), the polyester fibers were removed.
引張強度試験をショツパー形の引張試験機により行なっ
たところ、実施例１）、実施例２）及び比較例の順で各
々５ Ｋｇ ／ （Ｊ巾、２０１Ｃ９／ｅｘ巾、０．５
に９／ｅｌ巾となった。When the tensile strength test was conducted using a Schopper type tensile tester, the results were 5 Kg/(J width, 201C9/ex width, 0.5
It became 9/el wide.
（発明の効果）
以上の通り、本発明によれば、分極性電極の引張強度を
増大でき、寸法精度が高く製造の容易な電気二重層コン
デンサが得られる。(Effects of the Invention) As described above, according to the present invention, the tensile strength of polarizable electrodes can be increased, and an electric double layer capacitor with high dimensional accuracy and easy manufacture can be obtained.
図は本発明実施例の分極性電極の正面図を示す。 ｌ ・１． 分水セ十ｉ嘘ンイ→３゜ 特許出願人 日立コンデンサ株式会社 The figure shows a front view of a polarizable electrode according to an embodiment of the present invention. l・1. Water separation 10 i lies → 3゜ Patent applicant: Hitachi Capacitor Co., Ltd.
Claims (1)
ンデンサ素子を有する電気二重層コンデンサにおいて、
カーボン系シートに高分子繊維クロスシート又は炭化繊
維シートを積層した分極性電極を有することを特徴とす
る電気二重層コンデンサ。(1) In an electric double layer capacitor having a capacitor element consisting of a polarizable electrode, a separator, and a current collecting electrode,
An electric double layer capacitor characterized by having a polarizable electrode in which a polymer fiber cloth sheet or a carbonized fiber sheet is laminated on a carbon sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62275363A JPH01117311A (en) | 1987-10-30 | 1987-10-30 | Electric double layer capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62275363A JPH01117311A (en) | 1987-10-30 | 1987-10-30 | Electric double layer capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01117311A true JPH01117311A (en) | 1989-05-10 |
Family
ID=17554434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62275363A Pending JPH01117311A (en) | 1987-10-30 | 1987-10-30 | Electric double layer capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01117311A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000228335A (en) * | 1999-02-05 | 2000-08-15 | Okamura Kenkyusho:Kk | Electrical double-layer capacitor |
| EP1043743A1 (en) * | 1997-12-18 | 2000-10-11 | Nauchno-Proizvodstvennoe Predpriyatie "Exin" | Capacitor with dual electric layer |
| JP2002051992A (en) * | 2000-08-11 | 2002-02-19 | Citizen Watch Co Ltd | Wrist mounted sphygmomanometer |
-
1987
- 1987-10-30 JP JP62275363A patent/JPH01117311A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1043743A1 (en) * | 1997-12-18 | 2000-10-11 | Nauchno-Proizvodstvennoe Predpriyatie "Exin" | Capacitor with dual electric layer |
| EP1043743A4 (en) * | 1997-12-18 | 2005-03-02 | Np Predpr Exin | Capacitor with dual electric layer |
| JP2000228335A (en) * | 1999-02-05 | 2000-08-15 | Okamura Kenkyusho:Kk | Electrical double-layer capacitor |
| JP2002051992A (en) * | 2000-08-11 | 2002-02-19 | Citizen Watch Co Ltd | Wrist mounted sphygmomanometer |
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