JPH0452983Y2 - - Google Patents
Info
- Publication number
- JPH0452983Y2 JPH0452983Y2 JP1986192408U JP19240886U JPH0452983Y2 JP H0452983 Y2 JPH0452983 Y2 JP H0452983Y2 JP 1986192408 U JP1986192408 U JP 1986192408U JP 19240886 U JP19240886 U JP 19240886U JP H0452983 Y2 JPH0452983 Y2 JP H0452983Y2
- Authority
- JP
- Japan
- Prior art keywords
- current collecting
- electrodes
- double layer
- polarizable
- electrode
- 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
Links
- 239000003990 capacitor Substances 0.000 claims description 21
- 239000002184 metal Substances 0.000 description 7
- 238000005476 soldering Methods 0.000 description 7
- 239000011810 insulating material Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920000298 Cellophane Polymers 0.000 description 1
- 208000001490 Dengue Diseases 0.000 description 1
- 206010012310 Dengue fever Diseases 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
- 239000006229 carbon black Substances 0.000 description 1
- 208000025729 dengue disease Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
Description
【考案の詳細な説明】
産業上の利用分野
本考案は、放射状に複数の基本セを形成し、か
つ集電電極をフエイスダウンボンデングできるよ
うにした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 in which a plurality of basic cells are formed radially and a current collecting electrode can be face-down bonded.
従来の技術
電気二重層コンデンサは、静電容量が大きいた
めコンデンサとしてのみならず、バツクアツプ用
電源としても用いられている。BACKGROUND ART Electric double layer capacitors have a large capacitance and are therefore used not only as capacitors but also as backup power supplies.
電気二重層コンデンサは、例えば第３図に示す
ように、非電子伝導性かつイオン透過性の多孔質
セパレータａを介して活性炭と電解質溶液からな
る一対の分極性電極ｂ，ｂの両側に電子伝導性か
つイオン不透過性の導電性集電電極ｃ，ｃを設
け、さらにゴムｄ，ｄで封止した基本セルを有す
る。 For example, as shown in Fig. 3, an electric double-layer capacitor conducts electrons between a pair of polarizable electrodes b and b made of activated carbon and an electrolyte solution through a porous separator a that is non-electron-conductive and ion-permeable. It has a basic cell which is provided with conductive collector electrodes c and c which are transparent and impermeable to ions, and further sealed with rubber d and d.
この基本セルは、第４図に示すように、金属板
ｅ及び金属キヤツプｆに例えばカーボンブラツク
を接着剤で練り合わせた導電性接着剤ｇにより接
着し、金属板ｅと金属キヤツプｆをガスケツトｈ
を介してかしめることにより容器に収容され、電
気二重層コンデンサとして完成される。 As shown in FIG. 4, this basic cell is constructed by bonding a metal plate e and a metal cap f with a conductive adhesive g made by mixing carbon black with adhesive, and attaching the metal plate e and metal cap f to a gasket h.
The capacitor is caulked through the capacitor to be housed in a container and completed as an electric double layer capacitor.
考案が解決しようとする問題点
電気二重層コンデンサは、一般には回路基板に
はんだ付けすることにより取付けられることが多
いが、第４図の構造であると金属板ｅははんだ付
けランドにフエイスダウンボンデング（平面部同
志の接触部のはんだ付け）を行うことができる
が、金属キヤツプｆの側にはリード線をはんだ付
けすることにより設け、このリード線を回路基板
のはんだ付けランドにはんだ付けしなければなら
ない。これはリード線をはんだ付けするためのス
ペースが回路基板に必要となり、電子部品の小型
化、高密度実装化を指向している現在の要求を十
分に満たすことができない。Problems to be Solved by the Invention Electric double layer capacitors are generally mounted on circuit boards by soldering, but in the structure shown in Figure 4, the metal plate e is attached to the soldering land with a face-down bond. It is possible to perform dengue (soldering of contacts between flat surfaces) by soldering a lead wire on the side of the metal cap f, and soldering this lead wire to the soldering land of the circuit board. There must be. This requires space on the circuit board for soldering the lead wires, and cannot satisfactorily meet the current demands for miniaturization and high-density packaging of electronic components.
正負両極の集電電極をフエイスダウンボンデン
グできるものとしては、特開昭59−194417号公報
に記載されているように、セパレータの両側をガ
スケツトで挟持し、両側のガスケツトに４つの対
応する空孔を設けてこれに分極性電極を収容し、
さらにこれらの分極性電極に集電極を設けて４つ
の電気二重層コンデンサ素子を構成し、これらを
直列又は並列にに接続し、一方の側に設けた集電
極の２つを平面状の電極に接続した構造が示され
ている。 As described in Japanese Unexamined Patent Publication No. 59-194417, a method for face-down bonding of both positive and negative current collecting electrodes is one in which both sides of a separator are sandwiched between gaskets, and four corresponding cavities are placed in the gaskets on both sides. providing a hole and accommodating a polarizable electrode therein;
Furthermore, collector electrodes are provided on these polarizable electrodes to form four electric double layer capacitor elements, and these are connected in series or in parallel, and two of the collector electrodes provided on one side are connected to planar electrodes. Connected structures are shown.
しかし、この構造は直列に接続した場合は、二
重層コンデンサは一つしか得られず、正負の集電
極を一つの平面状電極に接続した構造のものは、
二重層コンデンサ素子の接続方法を変えたとして
も２つの二重層コンデンサしか得られず、４つの
素子のうちその半分しか独立の素子として利用で
きない。また、二重層コンデンサ素子を同様に多
数設け、同様に正負の集電電極を一平面状の電極
に接続しても、一平面状に多数の集電電極を設け
るには多くの面積を要し、その各々は絶縁されな
ければならないから、得られる電気二重層コンデ
ンサ数の割りには大型化せざるを得ない。また、
放射状に複数の二重層コンデンサを用いようとす
る場合にはそのままでは用いられないという問題
もある。 However, when this structure is connected in series, only one double layer capacitor can be obtained, and a structure in which the positive and negative collector electrodes are connected to one planar electrode,
Even if the method of connecting double layer capacitor elements is changed, only two double layer capacitors are obtained, and only half of the four elements can be used as independent elements. Furthermore, even if a large number of double-layer capacitor elements are similarly provided and positive and negative current collecting electrodes are connected to one planar electrode, a large area is required to provide a large number of current collecting electrodes in one planar shape. , each of which must be insulated, so the size must be increased relative to the number of electric double layer capacitors that can be obtained. Also,
When attempting to use a plurality of double layer capacitors radially, there is also the problem that they cannot be used as is.
課題を解決するための手段
本考案は、上記課題を解決するために、環状細
長片の非電子伝導性かつイオン透過性の多孔質セ
パレータと、この多孔質セパレータの内外側に設
けられた分極性電極と、内側の分極性電極の内方
及び外側の分極性電極の外周面にそれぞれ設けら
れた内外側の集電電極を有する偏平柱状体を形成
し、上記内外側の集電電極を上記偏平柱状体の少
なくとも一方の主面上に延長させた延長部を同一
平面上に位置させて相互に絶縁しかつこの延長部
を上記内外側の分極性電極と絶縁した基本セル原
型体を形成し、この基本セルを原型体を上記内方
の分極性電極内に設けられた集電電極を含んでこ
の集電電極から放射状に複数に分割しかつその分
割面を絶縁して一体化することにより複数の基本
セルを形成した構造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 solve the above problems, the present invention provides a porous separator that is a non-electronic conductive and ion-permeable annular strip, and a polarizable separator provided on the inside and outside of this porous separator. A flat columnar body having an electrode and inner and outer current collecting electrodes provided on the outer peripheral surfaces of the inner and outer polarizable electrodes, respectively, is formed, and the inner and outer current collecting electrodes are connected to the flat columnar body. forming a basic cell prototype body in which extension parts extended on at least one main surface of the columnar body are located on the same plane and insulated from each other, and the extension parts are insulated from the inner and outer polarizable electrodes; This basic cell is divided into a plurality of parts radially from the current collection electrode including the current collection electrode provided in the inner polarizable electrode, and the divided surfaces are insulated and integrated into multiple parts. The present invention provides an electric double layer capacitor characterized by having a structure in which basic cells are formed.
作用
多孔質セパレータ、分極性電極及び集電電極を
放射状に分割したので複数の基本セルを放射状に
有する二重層コンデンサが得られる。また、正負
集電電極を同一平面上に位置させたのでこれらの
集電電極をフエイスダウンボンデングすることが
できる。Function: Since the porous separator, the polarizable electrode and the current collecting electrode are radially divided, a double layer capacitor having a plurality of basic cells radially is obtained. Furthermore, since the positive and negative current collecting electrodes are located on the same plane, these current collecting electrodes can be face-down bonded.
実施例
次に本考案の一実施例を第１図に基づいて説明
する。Embodiment Next, an embodiment of the present invention will be described based on FIG.
第１図中、２２は非電子伝導性かつイオン透過
性の環状細長片からなる多孔質セパレータで、そ
の両側に電解溶液と例えば活性炭の如き電極材料
から主としてなる分極性電極層２３，２４が設け
られ、この内側の分極性電極層２４の中央に設け
られた貫通孔内面と外側の分極性電極層２３の外
周面には金属等の導電性の集電電極板２６，２５
が設けられている。これらにより形成された偏平
円柱状体の下面全面と上面の上記集電電極板２
５，２６を除いた部分に絶縁材が設けられ、集電
電極２５，２６はこれらの上下の絶縁材上に断面
コの字状に延長され、その延長部は同一平面上に
位置し、かつ相互に絶縁材１７で絶縁されてい
る。 In FIG. 1, 22 is a porous separator made of an annular strip that is non-electronic conductive and ion permeable, and polarizable electrode layers 23 and 24 mainly made of an electrolytic solution and an electrode material such as activated carbon are provided on both sides of the porous separator. Conductive current collecting electrode plates 26, 25 made of metal or the like are provided on the inner surface of the through hole provided at the center of the inner polarizable electrode layer 24 and on the outer peripheral surface of the outer polarizable electrode layer 23.
is provided. The collector electrode plate 2 on the entire lower surface and upper surface of the flat cylindrical body formed by these
An insulating material is provided in the portions excluding 5 and 26, and the current collecting electrodes 25 and 26 are extended onto these upper and lower insulating materials in a U-shaped cross section, and the extended portions are located on the same plane, and They are insulated from each other with an insulating material 17.
このようにして基本セル原型体が形成される
が、この基本セル原型体は中央の集電電極板２６
を含んで十字状に分割され、その分割面は絶縁材
１７により絶縁されて一体化され、基本セル１８
〜２１が形成されている。なお、集電電極板２６
内にも絶縁材１７が設けられ、相互に絶縁されて
いる。 In this way, a basic cell prototype is formed, and this basic cell prototype is connected to the central current collecting electrode plate 26.
The divided plane is insulated and integrated with an insulating material 17, and the basic cell 18
~21 are formed. Note that the current collecting electrode plate 26
An insulating material 17 is also provided inside, and they are insulated from each other.
上記は４個の扇形基本セルを有する電気二重層
コンデンサの場合であつたが、第２図に示すよう
に半円の基本セル２７，1/4円の基本セル２８、
２９が得られるように第１図の場合と同様に分割
しかつ絶縁材により絶縁して一体化し、第１図の
個々の基本セルと同様な断面構造にしても良い。 The above was a case of an electric double layer capacitor having four fan-shaped basic cells, but as shown in FIG. 2, a semicircular basic cell 27, a quarter circle basic cell 28,
29 may be obtained by dividing the cells in the same way as in the case of FIG. 1, insulating them with an insulating material, and integrating them, so that the cross-sectional structure is the same as that of the individual basic cells in FIG.
上記集電電極の一部又は全部は導電性ゴム、不
浸透処理した可撓性グラフアイト等で構成しても
良く、多孔質セパレータはセロハン、ポリプロピ
レン、ポリエチレン等に微小な貫通孔を形成した
スポンジ状体、フイルム状体、不織布等が用いら
れるがこれらに限らない。 Part or all of the current collecting electrode may be made of conductive rubber, imperviously treated flexible graphite, etc., and the porous separator is a sponge made of cellophane, polypropylene, polyethylene, etc. with minute through holes formed therein. A shaped body, a film shaped body, a nonwoven fabric, etc. can be used, but are not limited to these.
考案の効果
本考案によれば、複数の基本セルを放射状に有
するので、一定のスペースに多くの電気二重層コ
ンデンサを集中させ、しかもその全部を単独に使
用することができ、それだけスペースの利用効率
が良く、これは個数が多いほど有効であり、した
がつてコンパクトな構造とすることができ、部品
の小型化に寄与することができる。また、正負の
集電電極を一平面に位置させたので、フエイスダ
ウンボンデングが可能となり、この点からも小型
化に寄与することができ、回路基板に対する高密
度実装を可能とする。このようにして部品を小型
化し、これを用いる電子機器の小型化に寄与する
ことができる。Effects of the invention According to the invention, since a plurality of basic cells are arranged radially, many electric double layer capacitors can be concentrated in a certain space, and all of them can be used individually, which increases the efficiency of space utilization. The larger the number, the more effective this is. Therefore, the structure can be made compact, contributing to miniaturization of parts. Furthermore, since the positive and negative current collecting electrodes are located on one plane, face-down bonding is possible, which also contributes to miniaturization and enables high-density mounting on circuit boards. In this way, the components can be miniaturized, contributing to the miniaturization of electronic devices that use them.
第１図イは本考案の第１の実施例の斜視図、同
ロはその断面図、第２図イは第２の実施例の斜視
図、同ロはその断面図、第３図は従来の電気二重
層コンデンサの基本セルの断面図、第４図はその
ケースに収容した状態の断面図である。
図中、ａ、２２は多孔質セパレータ、ｂ、２
３，２４は分極性電極、ｃ、２５，２６は集電電
極である。
Fig. 1A is a perspective view of the first embodiment of the present invention, Fig. 2B is a cross-sectional view thereof, Fig. 2A is a perspective view of the second embodiment, Fig. FIG. 4 is a sectional view of the basic cell of the electric double layer capacitor housed in the case. In the figure, a, 22 are porous separators, b, 2
3 and 24 are polarizable electrodes, and c, 25 and 26 are current collecting electrodes.
Claims (1)
多孔質セパレータと、この多孔質セパレータの内
外側に設けられた分極性電極と、内側の分極性電
極の内方及び外側の分極性電極の外周面にそれぞ
れ設けられた内外側の集電電極を有する偏平柱状
体を形成し、上記内外側の集電電極を上記偏平柱
状体の少なくとも一方の主面上に延長させた延長
部を同一平面上に位置させて相互に絶縁しかつこ
の延長部を上記内外側の分極性電極と絶縁した基
本セル原型体を形成し、この基本セル原型体を上
記内方の分極性電極内に設けられた集電電極を含
んでこの集電電極から放射状に複数に分割しかつ
その分割面を絶縁して一体化することにより複数
の基本セルを形成した構造を有することを特徴と
する電気二重層コンデンサ。 A non-electronically conductive and ion-permeable porous separator in the form of an annular strip, polarizable electrodes provided on the inner and outer sides of the porous separator, and the outer circumferences of the inner and outer polarizable electrodes. A flat columnar body having inner and outer current collecting electrodes provided on each surface is formed, and an extension part in which the inner and outer current collecting electrodes are extended onto at least one main surface of the flat columnar body is formed on the same plane. forming a basic cell prototype with the extensions insulated from each other and the inner and outer polarizable electrodes; An electric double layer capacitor characterized by having a structure in which a plurality of basic cells are formed by dividing a current collecting electrode into a plurality of parts radially from the current collecting electrode, and insulating and integrating the divided surfaces to form a plurality of basic cells.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986192408U JPH0452983Y2 (en) | 1986-12-16 | 1986-12-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986192408U JPH0452983Y2 (en) | 1986-12-16 | 1986-12-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6397228U JPS6397228U (en) | 1988-06-23 |
| JPH0452983Y2 true JPH0452983Y2 (en) | 1992-12-14 |
Family
ID=31147460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986192408U Expired JPH0452983Y2 (en) | 1986-12-16 | 1986-12-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0452983Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59194417A (en) * | 1983-04-19 | 1984-11-05 | 株式会社村田製作所 | Electric double layer condenser |
| JPS60225417A (en) * | 1984-04-24 | 1985-11-09 | 日本電気株式会社 | Electric double layer capacitor |
-
1986
- 1986-12-16 JP JP1986192408U patent/JPH0452983Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59194417A (en) * | 1983-04-19 | 1984-11-05 | 株式会社村田製作所 | Electric double layer condenser |
| JPS60225417A (en) * | 1984-04-24 | 1985-11-09 | 日本電気株式会社 | Electric double layer capacitor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6397228U (en) | 1988-06-23 |
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