JP2002141250A - Electric double-layer capacitor - Google Patents
Electric double-layer capacitorInfo
- Publication number
- JP2002141250A JP2002141250A JP2000332840A JP2000332840A JP2002141250A JP 2002141250 A JP2002141250 A JP 2002141250A JP 2000332840 A JP2000332840 A JP 2000332840A JP 2000332840 A JP2000332840 A JP 2000332840A JP 2002141250 A JP2002141250 A JP 2002141250A
- Authority
- JP
- Japan
- Prior art keywords
- electric double
- layer capacitor
- gel electrolyte
- double layer
- single cell
- 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
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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、電気二重層キャパ
シタの構造に関する。詳しくは、電気二重層キャパシタ
の集電方法、シール構造に関する。The present invention relates to a structure of an electric double layer capacitor. More specifically, the present invention relates to a current collection method and a seal structure for an electric double layer capacitor.
【０００２】[0002]
【従来の技術】電気二重層キャパシタは、アルミ電解コ
ンデンサ等のような、従来のコンデンサと比較して静電
容量が桁違いに大きくエネルギーの貯蔵という分野へも
応用が検討されてきている。この電気二重層キャパシタ
（以下、キャパシタと略称する）は、電極に表面積の非
常に大きい活性炭を用い電極の微細孔にイオンを吸着さ
せることにより電気を貯蔵する原理で作動する。2. Description of the Related Art The electric double layer capacitor has an order of magnitude larger capacitance than conventional capacitors, such as an aluminum electrolytic capacitor, and its application to the field of energy storage has been studied. This electric double layer capacitor (hereinafter simply referred to as a capacitor) operates on the principle of storing electricity by using activated carbon having a very large surface area for the electrodes and adsorbing ions in the fine pores of the electrodes.
【０００３】このため、電池と比較して化学物質の形態
変化がないこと、また強酸性、強アルカリ性溶液にさら
されることがないなどのことから原理的に寿命が長いこ
とがその利点として考えられている。キャパシタの構成
は、図６に示すように、対向させた集電金属１０に活性
炭素繊維や活性炭と導電性炭素と有機バインダーを混ぜ
た活性炭電極２０を電気的に接続させ、中央にセパレー
タ３０を配し、電解液を加えて完成する。また、近年で
はキャパシタの高電圧化に対応させるため、有機系電解
液の使用が活発になってきており、そのシール性、気密
性の必要性が高まってまた。[0003] For this reason, it is considered that there is no change in the form of a chemical substance as compared with a battery, and that it has a long life in principle because it is not exposed to a strongly acidic or strongly alkaline solution. ing. As shown in FIG. 6, the configuration of the capacitor is such that an active carbon electrode 20 in which activated carbon fiber or activated carbon, conductive carbon, and an organic binder are mixed is electrically connected to the facing current collector metal 10, and a separator 30 is provided at the center. And complete it by adding the electrolyte. In recent years, in order to cope with a higher voltage of a capacitor, the use of an organic electrolytic solution has been activated, and the necessity of its sealing property and airtightness has increased.
【０００４】[0004]
【発明が解決しようとする課題】近年ではキャパシタの
高電圧化に対応させるため、有機系電解液の使用が活発
になってきており、そのシール性、気密性の必要性がが
高まってきた。しかし、電気二重層キャパシタの構成を
シールと気密性を兼ね備えた最良の構成について提案さ
れていなかった。In recent years, the use of organic electrolytes has become more active in order to cope with higher voltage capacitors, and the need for sealing and airtightness has increased. However, no proposal has been made for the best configuration of the electric double layer capacitor having both sealing and airtightness.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決する本発
明の請求項１記載の電気二重層キャパシタは、電気二重
層キャパシタを構成する要素としてゲル電解質を用い、
上記ゲル電解質としてポリアクリロニトリル、ポリビニ
リデンフルオライド又はポリエチレンオキシド系等のゲ
ル電解質を使用し、上記ゲル電解質を用いた電気二重層
キャパシタをアルミラミネートフィルム袋に挿入してヒ
ートシールすることによって外気とのシールを完了させ
た単セルを得て、該単セルの集電端子を一辺に一極と
し、大電流を取り出す場合は４辺にそれぞれ２つずつ＋
−端子を取り出すことを特徴とする。According to a first aspect of the present invention, there is provided an electric double layer capacitor using a gel electrolyte as an element constituting the electric double layer capacitor.
A gel electrolyte such as polyacrylonitrile, polyvinylidene fluoride or polyethylene oxide is used as the gel electrolyte, and an electric double layer capacitor using the gel electrolyte is inserted into an aluminum laminate film bag and heat-sealed. After obtaining a sealed single cell, the current collecting terminal of the single cell is set to one pole on one side, and when taking out a large current, two terminals are provided on each of four sides.
-Characterized by taking out the terminal.
【０００６】上記課題を解決する本発明の請求項１記載
の電気二重層キャパシタは、請求項１記載の電気二重層
キャパシタにおいて上記単セルは個々に連結し、高電圧
型、高電流型に構成させることを特徴とする。According to a first aspect of the present invention, there is provided an electric double layer capacitor according to the first aspect of the present invention, wherein the single cells are individually connected to each other to form a high voltage type and a high current type. It is characterized by making it.
【０００７】[0007]
【発明の実施の形態】〔実施例１〕本発明の第１の実施
例に係る電気二重層キャパシタを図１に示す。本実施例
は、アルミラミネートフィルム４０をキャパシタの外装
シールに用い、液漏れ・外部からの不純物混入を防ぐ方
法によってシールを完成させるものである。[Embodiment 1] FIG. 1 shows an electric double layer capacitor according to a first embodiment of the present invention. In the present embodiment, the aluminum laminate film 40 is used for the exterior seal of the capacitor, and the seal is completed by a method of preventing liquid leakage and mixing of impurities from outside.
【０００８】即ち、対向させた集電金属１０に活性炭電
極２０を電気的に接続させ、中央にセパレータ３０を配
し、電解液を加えて、更に、その外周をラミネートフィ
ルム４０により全面に渡り覆うことにより完成させるも
のである。アルミラミネートフィルム４０は袋状のもの
であり、キャパシタを挿入後、ヒートシールにより閉じ
られる。本実施例によれば、アルミラミネートフィルム
４０をキャパシタの外装シールに用いるため、液漏れ・
外部からの不純物混入を防ぐことができるという効果を
奏する。That is, the activated carbon electrode 20 is electrically connected to the facing collecting metal 10, the separator 30 is disposed in the center, the electrolytic solution is added, and the outer periphery is covered with the laminate film 40 over the entire surface. It is completed by doing. The aluminum laminated film 40 has a bag shape, and is closed by heat sealing after inserting the capacitor. According to the present embodiment, since the aluminum laminated film 40 is used for sealing the exterior of the capacitor, liquid leakage and
This has the effect of preventing contamination of impurities from the outside.
【０００９】〔実施例２〕本発明の第２の実施例に係る
電気二重層キャパシタを図１に示す。本実施例は、アル
ミラミネートフィルム４０をキャパシタの外装シールに
用い、液漏れ・外部からの不純物混入を防ぐとともに電
解質をゲル化させたゲル電解質５０を用いて液漏れを防
ぐという二種の方法によってシールを完成させるもので
ある。即ち、対向させた集電金属１０に活性炭電極２０
を電気的に接続させ、中央にゲル電解質５０を配し、更
に、その外周をラミネートフィルム４０により全面に渡
り覆うことにより完成させるものである。Embodiment 2 FIG. 1 shows an electric double layer capacitor according to a second embodiment of the present invention. In the present embodiment, the aluminum laminate film 40 is used for the exterior seal of the capacitor, and the liquid leakage is prevented by using a gel electrolyte 50 obtained by gelling the electrolyte while preventing the leakage of the liquid and mixing of impurities from the outside. This completes the seal. That is, the activated carbon electrode 20 is
Are electrically connected, a gel electrolyte 50 is provided in the center, and the outer periphery is covered with the laminate film 40 over the entire surface to complete the process.
【００１０】アルミラミネートフィルム４０は袋状のも
のであり、キャパシタを挿入後、ヒートシールにより閉
じられる。ゲル電解質５０としては、一般にリチウム電
池で適用されている、ポリアクリロニトリル、ポリビニ
リデンフルオライド（PVdF）、ポリエチレンオキシド系
等のゲル電解質を使用することができる。本実施例によ
れば、アルミラミネートフィルム４０をキャパシタの外
装シールに用い、更に、電解質をゲル化させたゲル電解
質５０を用いているため、液漏れ・外部からの不純物混
入を防ぐという効果を一層高めることができた。The aluminum laminated film 40 has a bag shape, and is closed by heat sealing after inserting the capacitor. As the gel electrolyte 50, a gel electrolyte such as polyacrylonitrile, polyvinylidene fluoride (PVdF), or polyethylene oxide which is generally applied to a lithium battery can be used. According to the present embodiment, since the aluminum laminate film 40 is used for the exterior seal of the capacitor and the gel electrolyte 50 obtained by gelling the electrolyte is used, the effect of preventing liquid leakage and contamination of impurities from the outside is further improved. Could be enhanced.
【００１１】〔実施例３〕本発明の第３の実施例に係る
電気二重層キャパシタを図３及び図４に示す。本実施例
では、単セルの集電端子６０，７０は図３に示すように
一辺に一極とし、また、大電流を取り出す場合は図４に
示すように４辺にそれぞれ２つずつ＋−端子を取り出す
ものである。各単セルとしては、実施例１又は２に係る
電気二重層キャパシタを使用する。[Embodiment 3] FIGS. 3 and 4 show an electric double layer capacitor according to a third embodiment of the present invention. In the present embodiment, the current collecting terminals 60 and 70 of the single cell have one pole on one side as shown in FIG. 3, and when a large current is to be taken out, as shown in FIG. The terminal is taken out. The electric double layer capacitor according to the first or second embodiment is used as each single cell.
【００１２】本実施例によれば、実施例１又は２と同様
な作用効果を奏する他、単セルごとに集電端子を備えて
いるため、組電池を高電圧タイプ、高電流タイプ等に構
成しやすいという利点がある。更に、集電端子はセルの
４辺から取り出すことができるため、システム構成に対
応しやすいという利点がある。According to this embodiment, the same operation and effect as those of the embodiment 1 or 2 are obtained. In addition, since the current collecting terminal is provided for each single cell, the assembled battery is constituted by a high voltage type, a high current type or the like. There is an advantage that it is easy to do. Furthermore, since the current collecting terminals can be taken out from the four sides of the cell, there is an advantage that it can be easily adapted to the system configuration.
【００１３】〔実施例４〕本発明の第４の実施例に係る
電気二重層キャパシタを５に示す。本実施例に係る組電
池は、図５に示すようにアルミラミネートしたキャパシ
タ（単セル）を組み合わせて構成するものである。即
ち、アルミラミネートされた単セル８０を複数個重ね合
わせ、各集電端子を結合して集合キャパシタを完成させ
るものである。Fourth Embodiment An electric double layer capacitor according to a fourth embodiment of the present invention is shown in FIG. The battery pack according to the present embodiment is configured by combining aluminum-laminated capacitors (single cells) as shown in FIG. That is, a plurality of aluminum-laminated single cells 80 are stacked, and the current collecting terminals are connected to complete a collective capacitor.
【００１４】各単セル７０としては、実施例１又は２に
係る電気二重層キャパシタを使用する。本実施例によれ
ば、実施例１又は２と同様な作用効果を奏する他、単セ
ル８０でシールを完了させているため、液漏れによる組
キャパシタの破損を防ぐことができ、修理交換が安価に
すむという利点がある。As each single cell 70, the electric double layer capacitor according to the first or second embodiment is used. According to this embodiment, the same operation and effect as those of the first or second embodiment can be obtained. In addition, since the sealing is completed by the single cell 80, damage to the assembled capacitor due to liquid leakage can be prevented, and repair and replacement are inexpensive. There is an advantage that it can be used.
【００１５】[0015]
【発明の効果】以上、実施例に基づいて具体的に説明し
たように、本発明によれば以下の効果を奏する。 1.ゲル電解質の使用と、アルミラミネーションフィルム
の組み合わせにより電気二重層キャパシタの液漏れが大
幅に減少した。 2.単セルでシールを完了させているため液漏れによる組
キャパシタの破損を防ぐことができる。 3.単セルごとに集電端子を備えているため組電池を高電
圧タイプ、高電流タイプ等に構成しやすい。 4.集電端子はセルの4辺から取り出すことができるた
め、システム構成に対応しやすい。 5.単セルでシールを完了させているためセルの修理交換
が安価にすむ。As described above, according to the present invention, the following effects can be obtained as specifically described based on the embodiments. 1. The use of gel electrolyte and the combination of aluminum lamination film greatly reduced the leakage of electric double layer capacitors. 2. Since the sealing is completed in a single cell, damage to the assembled capacitor due to liquid leakage can be prevented. 3. Since each unit cell has a current collecting terminal, it is easy to configure the battery pack into a high voltage type, high current type, etc. 4. The current collection terminals can be taken out from the four sides of the cell, so it is easy to adapt to the system configuration. 5. Since the sealing is completed in a single cell, repair and replacement of the cell can be performed at low cost.
【図１】本発明の第１の実施例に係るキャパシタの断面
図である。FIG. 1 is a sectional view of a capacitor according to a first embodiment of the present invention.
【図２】本発明の第２の実施例に係るキャパシタの断面
図である。FIG. 2 is a sectional view of a capacitor according to a second embodiment of the present invention.
【図３】本発明の第３の実施例に係るキャパシタの正面
図である。FIG. 3 is a front view of a capacitor according to a third embodiment of the present invention.
【図４】本発明の第４の実施例に係るキャパシタの正面
図である。FIG. 4 is a front view of a capacitor according to a fourth embodiment of the present invention.
【図５】本発明の第５の実施例に係るキャパシタの断面
図及び斜視図である。FIG. 5 is a sectional view and a perspective view of a capacitor according to a fifth embodiment of the present invention.
【図６】従来のキャパシタの断面図である。FIG. 6 is a sectional view of a conventional capacitor.
１０ 集電金属 ２０ 活性炭電極 ３０ セパレータ ４０ ラミネートフィルム ５０ ゲル電解質 ６０，７０ 集電電極 ８０ アルミラミネート単セル DESCRIPTION OF SYMBOLS 10 Current collecting metal 20 Activated carbon electrode 30 Separator 40 Laminated film 50 Gel electrolyte 60, 70 Current collecting electrode 80 Aluminum laminated single cell
Claims (2)
してゲル電解質を用い、上記ゲル電解質としてポリアク
リロニトリル、ポリビニリデンフルオライド又はポリエ
チレンオキシド系等のゲル電解質を使用し、上記ゲル電
解質を用いた電気二重層キャパシタをアルミラミネート
フィルム袋に挿入してヒートシールすることによって外
気とのシールを完了させた単セルを得て、該単セルの集
電端子を一辺に一極とし、大電流を取り出す場合は４辺
にそれぞれ２つずつ＋−端子を取り出すことを特徴とす
る電気二重層キャパシタ。A gel electrolyte is used as an element constituting an electric double layer capacitor, a gel electrolyte such as polyacrylonitrile, polyvinylidene fluoride or polyethylene oxide is used as the gel electrolyte. When inserting a multilayer capacitor into an aluminum laminated film bag and heat-sealing to obtain a single cell which has been completely sealed from the outside air, the current collecting terminal of the single cell is set to one pole on one side, and a large current is taken out. An electric double layer capacitor characterized in that two +-terminals are respectively taken out on four sides.
高電流型に構成させることを特徴とする請求項１記載の
電気二重層キャパシタ。2. The single cells are individually connected to form a high voltage type,
2. The electric double layer capacitor according to claim 1, wherein the electric double layer capacitor is configured as a high current type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000332840A JP2002141250A (en) | 2000-10-31 | 2000-10-31 | Electric double-layer capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000332840A JP2002141250A (en) | 2000-10-31 | 2000-10-31 | Electric double-layer capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002141250A true JP2002141250A (en) | 2002-05-17 |
Family
ID=18808996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000332840A Pending JP2002141250A (en) | 2000-10-31 | 2000-10-31 | Electric double-layer capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002141250A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120050946A1 (en) * | 2010-08-27 | 2012-03-01 | Samsung Electro-Mechanics Co., Ltd. | Supercapacitor module |
| JP2012079833A (en) * | 2010-09-30 | 2012-04-19 | Ibiden Co Ltd | Power storage package structure, electrochemical device, and electrochemical module |
| JP2013074205A (en) * | 2011-09-28 | 2013-04-22 | Tdk Corp | Power storage element, power storage device and circuit board |
-
2000
- 2000-10-31 JP JP2000332840A patent/JP2002141250A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120050946A1 (en) * | 2010-08-27 | 2012-03-01 | Samsung Electro-Mechanics Co., Ltd. | Supercapacitor module |
| JP2012049538A (en) * | 2010-08-27 | 2012-03-08 | Samsung Electro-Mechanics Co Ltd | Supercapacitor |
| JP2012079833A (en) * | 2010-09-30 | 2012-04-19 | Ibiden Co Ltd | Power storage package structure, electrochemical device, and electrochemical module |
| JP2013074205A (en) * | 2011-09-28 | 2013-04-22 | Tdk Corp | Power storage element, power storage device and circuit board |
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