JP3023630B2 - Electric double layer capacitor - Google Patents
Electric double layer capacitorInfo
- Publication number
- JP3023630B2 JP3023630B2 JP30207292A JP30207292A JP3023630B2 JP 3023630 B2 JP3023630 B2 JP 3023630B2 JP 30207292 A JP30207292 A JP 30207292A JP 30207292 A JP30207292 A JP 30207292A JP 3023630 B2 JP3023630 B2 JP 3023630B2
- Authority
- JP
- Japan
- Prior art keywords
- layer capacitor
- electric double
- double layer
- electrode plate
- lead terminals
- 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 - Fee Related
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
Landscapes
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は電気二重層コンデンサに
関し、特に耐熱信頼性向上をはかった樹脂外装型電気二
重層コンデンサに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric double layer capacitor, and more particularly to a resin-coated electric double layer capacitor with improved heat resistance.
【0002】[0002]
【従来の技術】従来のモールド樹脂外装型電気二重層コ
ンデンサは図4に示すように、複数個の積層された電気
二重層コンデンサ素子1の上下に、片方は電極板に対
し、水平方向にリードを取り出した第1のリード付電極
板2と、もう一方は電極板に対し垂直方向にリードを取
り出した第2のリード付電極板3を配置し、所定の圧力
を加えることにより、積層された電気二重層コンデンサ
素子の内部及び電極板との接触抵抗を下げたまま、モー
ルド外装樹脂で射出成形しその加圧力を保持している。2. Description of the Related Art As shown in FIG. 4, a conventional molded resin-coated electric double-layer capacitor has a plurality of stacked electric double-layer capacitor elements 1, one of which is horizontally connected to an electrode plate. The first electrode plate 2 with lead from which the lead was taken out, and the second electrode plate 3 with lead from which the other lead was taken out in the direction perpendicular to the electrode plate were arranged, and were laminated by applying a predetermined pressure. While the contact resistance between the inside of the electric double layer capacitor element and the electrode plate is kept low, it is injection-molded with a mold exterior resin to maintain the applied pressure.
【0003】[0003]
【発明が解決しようとする課題】上述した、従来のモー
ルド樹脂外装型電気二重層コンデンサは、半田槽ディッ
プ260℃−5secで、第2のリード端子付電極板3
に沿って外装樹脂が割れるという問題があった。The above-described conventional electric double-layer capacitor with a molded resin package has a solder bath dip of 260 ° C. for 5 seconds and a second electrode plate 3 with lead terminals.
There is a problem that the exterior resin is cracked along.
【0004】本発明の目的は、半田槽ディップにおい
て、第2のリード端子付電極板に沿って外装樹脂が割れ
るのを防ぎ、耐熱信頼性を向上させた電気二重層コンデ
ンサを提供することにある。[0004] It is an object of the present invention to provide an electric double layer capacitor in which the exterior resin is prevented from cracking along the second electrode plate with lead terminals in the solder bath dip, and the heat resistance reliability is improved. .
【0005】[0005]
【課題を解決するための手段】本発明のモールド樹脂外
装型電気二重層コンデンサは、第2のリード端子付電極
板3に対し平行に曲げたフック部6を備えている。The electric double layer capacitor of the present invention has a hook portion 6 bent in parallel with the second electrode plate 3 with lead terminals.
【0006】[0006]
【実施例】次に本発明について図面を参照して説明す
る。図1は本発明の一実施例の断面図、図2は本発明の
一実施例のフック機能付リード端子付電極板の斜視図で
ある。電気二重層コンデンサ素子1の上面に縦横8m/
m、厚み0.2m/mの第2のリード端子付電極板3を
配置し、下面に縦横8m/m、厚み0.2m/mのフッ
ク機能付リード端子付電極板5を配置する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described with reference to the drawings. FIG. 1 is a sectional view of an embodiment of the present invention, and FIG. 2 is a perspective view of an electrode plate with a lead terminal with a hook function according to an embodiment of the present invention. 8m vertically / horizontally on the upper surface of the electric double layer capacitor element 1.
A second electrode plate 3 with a lead terminal having a thickness of 0.2 m / m and a thickness of 0.2 m / m is disposed on the lower surface of the second electrode plate 5 with a hook function.
【0007】次に、電気二重層コンデンサの接触抵抗を
下げるために10〜50kg/cm2 の圧力にて第2の
リード端子付電極板3とフック機能付リード端子付電極
板5を上下方向より加圧し、フック部6と第2のリード
端子付電極板3との絶縁を保つよう曲げた状態で、モー
ルド外装樹脂4にて射出成形する。Next, in order to reduce the contact resistance of the electric double layer capacitor, the second electrode plate 3 with lead terminals and the electrode plate 5 with lead terminals with hook function are vertically moved at a pressure of 10 to 50 kg / cm 2. Injection molding is performed with the mold exterior resin 4 in a state where it is pressurized and bent so as to maintain insulation between the hook portion 6 and the second electrode plate 3 with lead terminals.
【0008】この時モールド外装樹脂内に閉じこめられ
た電気二重層コンデンサ素子1の上下方向の加圧力はフ
ック機能付リード端子付電極板5と第2のリード端子付
電極板3及びフック部6との間で強固に保持される。At this time, the vertical pressing force of the electric double layer capacitor element 1 confined in the molded exterior resin is controlled by the electrode plate 5 with a lead terminal with a hook function, the second electrode plate 3 with a lead terminal, and the hook 6. Firmly held between
【0009】従来のモールド樹脂外装型電気二重層コン
デンサでは、モールド樹脂強度1280kg/cm2 の
材料を用いて成形した場合、半田付面側より電気二重層
コンデンサ1の上向きに荷重をかけると580kg/c
m2 (常温)、140kg/cm2 (260℃−5se
c後)でそれぞれ割れが発生する。これは電気二重層イ
コンデンサ素子1の熱膨張による内部圧力が高くなるた
めである。In the conventional electric double layer capacitor with a mold resin exterior, when molded using a material having a mold resin strength of 1280 kg / cm 2 , when a load is applied upward from the soldering surface side of the electric double layer capacitor 1 to 580 kg / cm 2. c
m 2 (normal temperature), 140 kg / cm 2 (260 ° C.-5 sec.)
c), each crack occurs. This is because the internal pressure due to thermal expansion of the electric double layer capacitor element 1 increases.
【0010】しかし、一実施例に示す電極構造を備える
事で、モールド外装樹脂の割れが発生する箇所にフック
部がかかりモールド樹脂の単独の強度からフック部6を
含む樹脂強度となる。この結果260℃−5sec後の
強度は280kg/cm2 となった。However, by providing the electrode structure shown in one embodiment, the hook portion is applied to a portion where the mold exterior resin cracks, and the strength of the resin including the hook portion 6 is changed from the single strength of the mold resin. As a result, the strength after 260 ° C. for 5 sec was 280 kg / cm 2 .
【0011】[0011]
【発明の効果】以上説明したように本発明のモールド樹
脂外装型電気二重層コンデンサは、第2のリード端子付
電極板に対し水平に曲げたフック部を設けたので、半田
ディップ260℃−5secの試験において、第2のリ
ード端子付電極板に沿って、外装樹脂が割れることを防
止するという効果を有する。As described above, the molded resin-coated electric double layer capacitor of the present invention has a hook portion bent horizontally with respect to the second electrode plate with lead terminals. Has the effect of preventing the exterior resin from breaking along the second electrode plate with lead terminals.
【図1】本発明の一実施例の断面図である。FIG. 1 is a sectional view of one embodiment of the present invention.
【図2】図1に示す本発明の一実施例に使用するフック
機能付リード端子付電極板の斜視図である。FIG. 2 is a perspective view of an electrode plate with a hook function and a lead terminal used in the embodiment of the present invention shown in FIG. 1;
【図3】図1に示す本発明の一実施例に使用する第2の
リード端子付電極板の斜視図である。FIG. 3 is a perspective view of a second electrode plate with lead terminals used in the embodiment of the present invention shown in FIG. 1;
【図4】従来の樹脂外装電気二重層コンデンサの一例の
断面図である。FIG. 4 is a sectional view of an example of a conventional resin-coated electric double-layer capacitor.
【図5】図4の従来例に使用する電極端子の斜視図であ
る。5 is a perspective view of an electrode terminal used in the conventional example of FIG.
1 電気二重層コンデンサ素子 2 第1のリード端子付電極板 3 第2のリード端子付電極板 4 モールド外装樹脂 5 フック機能付リード端子付電極板 6 フック部 7 クラック発生箇所 DESCRIPTION OF SYMBOLS 1 Electric double layer capacitor element 2 1st electrode plate with a lead terminal 3 2nd electrode plate with a lead terminal 4 Mold exterior resin 5 Electrode plate with a lead terminal with a hook function 6 Hook part 7 Crack generation place
Claims (1)
て成る電気二重層コンデンサ素子(1)と、前記電気二
重層コンデンサ素子(1)の前記電気二重層コンデンサ
セルの積層方向に関する一端および他端に接触配置され
た第1および第2のリード端子付電極板(5および3)
と、前記電気二重層コンデンサ素子(1)ならびに前記
第1および前記第2のリード端子付電極板(5および
3)を覆うように加圧成形された樹脂外装(4)とを有
する電気二重層コンデンサにおいて、前記第1および前
記第2のリード端子付電極板(5および3)は共に、所
定の仮想平面に対して実質平行に延びており、前記第1
のリード端子付電極板(5)は、前記樹脂外装(4)内
にて、前記仮想平面に対して実質平行に、かつ前記電気
二重層コンデンサセルの積層方向にも実質平行に、前記
電気二重層コンデンサ素子(1)および前記第2のリー
ド端子付電極板(3)とは距離をおいて、該第2のリー
ド端子付電極板(3)を超えるまで延びてから屈曲し、
さらに、該仮想平面に対して実質平行に、かつ該第2の
リード端子付電極板(3)の板面に対しても実質平行
に、該第2のリード端子付電極板(3)とは距離をおい
て延びるフック部を備えていることを特徴とする電気二
重層コンデンサ。An electric double layer capacitor element (1) formed by stacking a plurality of electric double layer capacitor cells, and one end and the other end of the electric double layer capacitor element (1) in the stacking direction of the electric double layer capacitor cells. First and second electrode plates with lead terminals (5 and 3) arranged in contact with each other
And an electric double layer having a resin outer casing (4) formed by pressure molding so as to cover the electric double layer capacitor element (1) and the first and second electrode plates with lead terminals (5 and 3). In the capacitor, the first and the previous
The second electrode plates with lead terminals (5 and 3) are
Extending substantially parallel to a predetermined virtual plane,
The lead terminals with the electrode plate (5), said at resin sheathing (4) in said substantially parallel to the virtual plane, and stacking direction even substantially parallel of the electric double layer capacitor cell, the electric double The multilayer capacitor element (1) and the second electrode plate with lead terminals (3) are separated from each other at a distance from the multilayer capacitor element (1) and extend beyond the second electrode plate with lead terminals (3), and then bent;
Furthermore, substantially parallel to the virtual plane and substantially parallel with respect to the plate surface of the second lead terminals with the electrode plate (3), the second lead terminals with the electrode plate (3) is An electric double-layer capacitor comprising a hook portion extending at a distance.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30207292A JP3023630B2 (en) | 1992-11-12 | 1992-11-12 | Electric double layer capacitor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30207292A JP3023630B2 (en) | 1992-11-12 | 1992-11-12 | Electric double layer capacitor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH06151248A JPH06151248A (en) | 1994-05-31 |
JP3023630B2 true JP3023630B2 (en) | 2000-03-21 |
Family
ID=17904583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP30207292A Expired - Fee Related JP3023630B2 (en) | 1992-11-12 | 1992-11-12 | Electric double layer capacitor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3023630B2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002289473A (en) * | 2001-03-23 | 2002-10-04 | Kyocera Corp | Electric double layer capacitor |
JP6683089B2 (en) * | 2016-09-23 | 2020-04-15 | 株式会社豊田自動織機 | Power storage device |
JP6682417B2 (en) * | 2016-10-14 | 2020-04-15 | 株式会社トーキン | Electric double layer capacitor |
-
1992
- 1992-11-12 JP JP30207292A patent/JP3023630B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH06151248A (en) | 1994-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19991208 |
|
LAPS | Cancellation because of no payment of annual fees |