JPH0294508A - Electric double layer capacitor - Google Patents
Electric double layer capacitorInfo
- Publication number
- JPH0294508A JPH0294508A JP63246137A JP24613788A JPH0294508A JP H0294508 A JPH0294508 A JP H0294508A JP 63246137 A JP63246137 A JP 63246137A JP 24613788 A JP24613788 A JP 24613788A JP H0294508 A JPH0294508 A JP H0294508A
- Authority
- JP
- Japan
- Prior art keywords
- current collector
- graphite
- carbonized
- vitreously
- phenol resin
- 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 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 15
- 239000010439 graphite Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000011347 resin Substances 0.000 claims abstract description 5
- 229920005989 resin Polymers 0.000 claims abstract description 5
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 5
- 239000005011 phenolic resin Substances 0.000 abstract description 6
- 239000003792 electrolyte Substances 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- -1 methylol group Chemical group 0.000 abstract description 2
- 239000012299 nitrogen atmosphere Substances 0.000 abstract description 2
- 239000003973 paint Substances 0.000 abstract description 2
- 230000015556 catabolic process Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 235000011837 pasties Nutrition 0.000 abstract 1
- 230000009257 reactivity Effects 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical class [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001568 phenolic resin Chemical class 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical group CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 238000004080 punching Methods 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）
電気二重層コンデンサは、分極性電極をセパレータで分
離し、この分極性電極に電解液を含浸し、分極性電極に
集電体を接触し電流を取り出す構造になっている。(Prior Art) An electric double layer capacitor has a structure in which polarizable electrodes are separated by a separator, the polarizable electrodes are impregnated with an electrolytic solution, and a current collector is brought into contact with the polarizable electrodes to extract a current.
集電電極の材質は、従来、製造の容易さや耐電圧を考慮
して、金属や黒鉛、樹脂含浸した黒鉛等ガ用いられてい
る。Conventionally, materials such as metal, graphite, and resin-impregnated graphite have been used for the material of the current collecting electrode, taking into account ease of manufacture and voltage resistance.
（発明が解決しようとする課題）
しかし、金属は加工し易いが耐電圧が比較的に低い欠点
がある。また、黒鉛や樹脂含浸した黒鉛等は耐電圧は金
属に比べて大きいが加工し難い欠点がある。(Problems to be Solved by the Invention) However, although metals are easy to process, they have the drawback of relatively low withstand voltage. Furthermore, graphite, resin-impregnated graphite, and the like have a higher withstand voltage than metals, but have the drawback of being difficult to process.
本発明の目的は、以上の欠点を改良し、加工し易く耐電
圧の高い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 process and has a high withstand voltage.
（課題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、集電電極が、
黒鉛ブラックと部分的にガラス状に炭化された熱硬化性
樹脂とからなる材質により形成されていることを特徴と
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 a current collecting electrode that
The present invention provides an electric double layer capacitor characterized in that it is made of a material consisting of graphite black and a thermosetting resin partially carbonized into a glassy state.
（作用）
結着剤として用いられる熱硬化性樹脂を部分的にガラス
状に炭化しているために、打抜き加工等が黒鉛や樹脂含
浸した黒鉛に比べて容易になる。(Function) Since the thermosetting resin used as a binder is partially carbonized into a glassy state, punching and the like are easier than with graphite or resin-impregnated graphite.
また、金属に比べて耐電圧を高くできる。Additionally, it can have a higher withstand voltage than metal.
（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.
先ず、黒鉛と、分子内に反応性を有するメチロール基を
含有する微粒子状フェノール樹脂を１：１に混合し、温
度１５０℃を加え、金型で圧縮加熱成形する。First, graphite and a particulate phenol resin containing a reactive methylol group in the molecule are mixed at a ratio of 1:1, heated to a temperature of 150° C., and compressed and heated in a mold.
次に、温度１４００℃の窒素雰囲気中で炭化焼成しフェ
ノール樹脂を部分的にガスラ状に炭化させる。Next, carbonization is performed in a nitrogen atmosphere at a temperature of 1400° C. to partially carbonize the phenol resin in a gaseous state.
そしてこの黒鉛と部分的にガラス状に炭化されたフェノ
ール樹脂とからなる材質をペースト状にしたりあるいは
繊維状にして集電体を形成する。Then, a material made of this graphite and a phenolic resin partially carbonized into a glassy state is made into a paste or fiber form to form a current collector.
この集電体を、例えば図に示す通りに用いる。This current collector is used, for example, as shown in the figure.
すなわち、シート状の分極性電極１のほぼ中央部に長方
形状に成形された集電体２を接続し、集電体２の先端に
カーボンペイント３によりリード線４を接続したものを
巻回し、電解液を含浸しケースに収納してコンデンサと
する。That is, a rectangular current collector 2 is connected to approximately the center of a sheet-like polarizable electrode 1, and a lead wire 4 connected to the tip of the current collector 2 is wound with carbon paint 3. It is impregnated with electrolyte and stored in a case to form a capacitor.
次に、本発明実施例と従来の集電体の耐電圧を測定した
ところ表の通りの結果が得られた。Next, when the withstand voltages of the present invention example and the conventional current collector were measured, the results shown in the table were obtained.
測定は、集電体を表面積２ｄ、厚さ１Ｍに成形し、これ
を２１！］電解液中に先端を残し、離隔して浸漬し、直
流電圧を印加して徐々に増大し電流が急激に増加した電
圧を耐電圧として行なった。電解液は、プロピレンカー
ボネートにＬｉＣ！０４を１モル／１溶解した液を用い
、その液温を常温とした。The measurement was carried out by molding a current collector with a surface area of 2 d and a thickness of 1 M, and then forming a current collector with a surface area of 2 d and a thickness of 1 M. ] The tip was left in the electrolytic solution and immersed at a distance, and a direct current voltage was applied to gradually increase the voltage, and the voltage at which the current suddenly increased was determined as the withstand voltage. The electrolyte is propylene carbonate and LiC! A solution in which 1 mol/1 of 04 was dissolved was used, and the temperature of the solution was kept at room temperature.
表
表から明らかな通り、本発明実施例によれば耐電圧を金
属を用いた従来例１よりも約３３％向上でき、黒鉛等を
用いた従来例２〜従来例４と同等にできる。As is clear from the table, according to the example of the present invention, the withstand voltage can be improved by about 33% over Conventional Example 1 using metal, and can be made equivalent to Conventional Examples 2 to 4 using graphite or the like.
（Ｒ明の効果）
以上の通り、本発明によれば、部分的にガラス状に炭化
された熱硬化性樹脂を結着剤とし黒鉛ブラッグに混ぜて
いるために加工し易く、耐電圧の高い集電体を有する電
気二重層コンデンサが青られる。(Effect of R-light) As described above, according to the present invention, since a partially carbonized thermosetting resin is used as a binder and mixed with graphite Bragg, it is easy to process and has a high withstand voltage. An electric double layer capacitor with a current collector is shown in blue.
←図は本発明実施例のコンデンサ素子の展開状態の平面
図を示す。
１・・・分極性電極、 ２・・・集電体。
特許出願人 日立コンデンサ株式会社←The figure shows a plan view of a developed state of a capacitor element according to an embodiment of the present invention. 1... Polarizable electrode, 2... Current collector. Patent applicant Hitachi Capacitor Co., Ltd.
Claims (1)
炭化された熱硬化性樹脂とからなる材質により形成され
ていることを特徴とする電気二重層コンデンサ。(1) An electric double layer capacitor characterized in that the current collector is formed of a material consisting of graphite black and a thermosetting resin partially carbonized into a glassy state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63246137A JPH0294508A (en) | 1988-09-30 | 1988-09-30 | Electric double layer capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63246137A JPH0294508A (en) | 1988-09-30 | 1988-09-30 | Electric double layer capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0294508A true JPH0294508A (en) | 1990-04-05 |
Family
ID=17144032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63246137A Pending JPH0294508A (en) | 1988-09-30 | 1988-09-30 | Electric double layer capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0294508A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5855748A (en) * | 1993-11-22 | 1999-01-05 | E. I. Du Pont De Nemours And Company | Electrochemical cell having a mass flow field made of glassy carbon |
| DE102014000511A1 (en) | 2013-02-14 | 2014-08-14 | Sony Corporation | ENDOSCOPE AND ENDOSCOPY DEVICE |
-
1988
- 1988-09-30 JP JP63246137A patent/JPH0294508A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5855748A (en) * | 1993-11-22 | 1999-01-05 | E. I. Du Pont De Nemours And Company | Electrochemical cell having a mass flow field made of glassy carbon |
| DE102014000511A1 (en) | 2013-02-14 | 2014-08-14 | Sony Corporation | ENDOSCOPE AND ENDOSCOPY DEVICE |
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