JPH05267101A - Electric double-layer capacitor - Google Patents
Electric double-layer capacitorInfo
- Publication number
- JPH05267101A JPH05267101A JP4058655A JP5865592A JPH05267101A JP H05267101 A JPH05267101 A JP H05267101A JP 4058655 A JP4058655 A JP 4058655A JP 5865592 A JP5865592 A JP 5865592A JP H05267101 A JPH05267101 A JP H05267101A
- Authority
- JP
- Japan
- Prior art keywords
- lead terminal
- electric double
- layer capacitor
- inspection
- terminal portion
- 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 40
- 238000007689 inspection Methods 0.000 claims abstract description 40
- 239000011347 resin Substances 0.000 claims abstract description 7
- 229920005989 resin Polymers 0.000 claims abstract description 7
- 238000001746 injection moulding Methods 0.000 claims abstract description 6
- 238000000465 moulding Methods 0.000 abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 239000002184 metal Substances 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010220 ion permeability Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 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
【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、特に表面実装型の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 surface mount type electric double layer capacitor.
【０００２】[0002]
【従来の技術】電気二重層コンデンサを利用して大容量
のコンデンサを得る手段の一つとして米国特許第３５３
６９６３号明細書にて開示されているように、カーボン
粉末と電解液とを接触させて、電気二重層を発生させる
ことを利用したものがある。2. Description of the Related Art U.S. Pat. No. 353 is one of means for obtaining a large capacity capacitor using an electric double layer capacitor.
As disclosed in the specification of Japanese Patent No. 6963, there is one utilizing contact between carbon powder and an electrolytic solution to generate an electric double layer.
【０００３】図７（ａ）は電気二重層コンデンサ素子
（以下素子と称す）の断面図である。図７（ａ）におい
て、２０は電子伝導性でかつイオン不浸透性の導電性セ
パレータ、２１は粉末活性炭と電解質溶液からなるカー
ボンペースト電極、２２はカーボンペースト電極間の導
通を防止するために設けたイオン透過性で、かつ非電子
伝導性を有する多孔性セパレータ、２３はカーボンペー
スト電極を保持し、かつ外界から遮断する為に設けた非
導電性ガスケットである。FIG. 7A is a sectional view of an electric double layer capacitor element (hereinafter referred to as an element). In FIG. 7A, 20 is an electrically conductive and ion-impermeable conductive separator, 21 is a carbon paste electrode composed of powdered activated carbon and an electrolyte solution, and 22 is provided to prevent conduction between the carbon paste electrodes. Further, a porous separator having ion permeability and non-electron conductivity, and 23 is a non-conductive gasket provided for holding the carbon paste electrode and shielding it from the outside.
【０００４】図７（ｂ）は従来の電気二重層コンデンサ
の断面図である。図７（ｂ）において、２５は素子２４
を積層した素子積層体、２８は導電性金属ケース、２７
は導電性金属ケース２８の内側面と素子積層体２５との
短絡を防止する絶縁ケース２６ｃの上下面に、リード端
子を有する第１の電極板２６ａと第２の電極板２６ｂを
配置した組立電極である。電気二重層コンデンサは、カ
ーボンペースト電極２１内の接触抵抗を減らすために、
素子積層体２５の上下から１〜１００ｋｇ／ｃｍ2 の圧
力を加え、これを保持した状態で導電性金属ケースの開
口端を内側に折り曲げてかしめ封口している。FIG. 7B is a sectional view of a conventional electric double layer capacitor. In FIG. 7B, 25 is an element 24
A laminated element stack, 28 is a conductive metal case, 27
Is an assembled electrode in which a first electrode plate 26a having a lead terminal and a second electrode plate 26b are arranged on the upper and lower surfaces of an insulating case 26c for preventing a short circuit between the inner surface of the conductive metal case 28 and the element stack 25. Is. In order to reduce the contact resistance in the carbon paste electrode 21, the electric double layer capacitor is
A pressure of 1 to 100 kg / cm 2 is applied from above and below the element stack 25, and the open end of the conductive metal case is bent inward while maintaining the pressure, and caulking and sealing.
【０００５】[0005]
【発明が解決しようとする課題】上述した従来の電気二
重層コンデンサは、金属ケースの中に収納した形状の宿
命として、端子を引出し方向が限られ、自立型にならざ
るを得ず、表面実装が困難であった。また、表面実装型
ができたとしても一般に表面実装用部品は検査用のリー
ド端子がないために従来の電気二重層コンデンサ用の検
査装置では電気的検査が困難になるという問題もある。The above-mentioned conventional electric double layer capacitor is destined to have a shape housed in a metal case, and its terminals are limited in the direction in which it can be pulled out. Was difficult. Further, even if the surface mount type is possible, there is a problem that the surface mount component generally does not have a lead terminal for a test, so that it is difficult to carry out an electrical test with a conventional tester for an electric double layer capacitor.
【０００６】本発明の目的は、表面実装を可能とし、か
つ従来の検査装置での電気的検査を可能とした電気二重
層コンデンサを提供することにある。An object of the present invention is to provide an electric double layer capacitor capable of surface mounting and capable of electrical inspection by a conventional inspection device.
【０００７】[0007]
【課題を解決するための手段】本発明の電気二重層コン
デンサは、電気二重層コンデンサ素子積層体と、その素
子積層体の上下面に、端子部及び検査用リード端子部を
有し前記検査用リード端子部が同一方向に突出するよう
配置された一対の電極板と、前記一対の電極板の上下方
向に所定の圧力を加え保持した状態で前記端子部及び検
査用リード端子部の一部を除く全体を射出成形により成
形した外装樹脂とを含むことを特徴として構成される。An electric double layer capacitor of the present invention comprises an electric double layer capacitor element laminate, and a terminal portion and a lead terminal portion for inspection on the upper and lower surfaces of the element laminate body for inspection. A pair of electrode plates arranged so that the lead terminal portions project in the same direction, and a portion of the terminal portion and the inspection lead terminal portion while holding a predetermined pressure in the vertical direction of the pair of electrode plates. It is characterized in that it includes an exterior resin that is molded by injection molding of the whole except.
【０００８】また、検査用リード端子部により電気的検
査を行なった後、検査用リード端子部を根元より切断し
て表面実装型としたことを特徴とする。Further, the present invention is characterized in that after the electrical inspection is performed by the inspection lead terminal portion, the inspection lead terminal portion is cut from the root to form a surface mount type.
【０００９】[0009]
【実施例】次に本発明について、図面を参照して説明す
る。図は本発明の一実施例の電気二重層コンデンサの斜
視図および検査後検査用リード端子を切断した一実施例
の電気二重層コンデンサの斜視図である。また、図２は
本発明の一実施例に使用する上部電極板及び下部電極板
の斜視図である。The present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of an electric double layer capacitor of an embodiment of the present invention and a perspective view of an electric double layer capacitor of an embodiment in which a lead terminal for inspection is cut after inspection. 2 is a perspective view of an upper electrode plate and a lower electrode plate used in one embodiment of the present invention.
【００１０】まず、図２に示すように、１辺が９ｍｍの
正方形で、その１辺より幅２ｍｍ，長さ７ｍｍの端子部
２ａと他の辺に幅０．５ｍｍ、長さ１０ｍｍでＬ字状に
加工した検査用リード端子３を有する厚さ０．３ｍｍで
金属製の上部電極板６と、上部電極板６と反対方向に幅
２ｍｍ，長さ５ｍｍの端子部２ｂを有し、かつ幅０．５
ｍｍ長さ１０ｍｍでＬ字状に加工した検査用リード端子
３を有する厚さ０．３ｍｍで金属製の下部電極板７を、
外径８ｍｍ，厚さ０．５ｍｍの素子を６枚積層した素子
積層体８の上下に配置する。この状態のまま、図３，図
４に示したように加圧ピン１１を有する射出成形用の下
金型１０に配置し、上方より加圧ピン１１を有する射出
成形用の上金型をかぶせ、この状態を保持したまま加熱
して溶融させたポリフェニレンサルファイド（ＰＰＳ）
樹脂を静圧６００ｋｇ／ｃｍ2 で樹脂射出口１２より圧
入し、硬化成型して図５（ａ）に示したような縦・横１
０ｍｍ，厚さ５ｍｍの電気二重層コンデンサ１３を得
た。この後、図５（ｂ）のような端子部２ａ及び２ｂを
断面Ｌ字状に成形し、検査用リード端子部３を用いて従
来の電気二重層コンデンサと同一の検査装置にて電気的
特性をチェックした後、図５（ｃ）に示したように、切
断治具にて検査用リード端子部３を根元より切断して、
本発明による第一の実施例の表面実装型電気二重層コン
デンサ４を得た。このような本発明による電気二重層コ
ンデンサは、従来の検査装置が使用でき、しかも検査用
リード端子部３を切断することにより容易に表面実装型
となる。First, as shown in FIG. 2, a square having a side of 9 mm, a terminal portion 2a having a width of 2 mm and a length of 7 mm and an L-shape having a width of 0.5 mm and a length of 10 mm on the other side. A metal-made upper electrode plate 6 having a thickness of 0.3 mm, which has an inspection lead terminal 3 processed into a shape, and a terminal portion 2b having a width of 2 mm and a length of 5 mm in a direction opposite to the upper electrode plate 6, and having a width 0.5
mm, a lower electrode plate 7 made of metal and having a thickness of 0.3 mm, which has an inspection lead terminal 3 processed into an L shape with a length of 10 mm,
The element laminated body 8 in which six elements each having an outer diameter of 8 mm and a thickness of 0.5 mm are laminated is arranged above and below. In this state, as shown in FIGS. 3 and 4, the lower mold 10 for injection molding having the pressure pin 11 is arranged, and the upper mold for injection molding having the pressure pin 11 is covered from above. , Polyphenylene sulfide (PPS) melted by heating while maintaining this state
Resin is press-fitted at a static pressure of 600 kg / cm 2 from the resin injection port 12 and is cured and molded, and the length and width are 1 as shown in FIG. 5 (a).
An electric double layer capacitor 13 having a thickness of 0 mm and a thickness of 5 mm was obtained. Thereafter, the terminal portions 2a and 2b as shown in FIG. 5 (b) are formed into an L-shaped cross section, and the inspection lead terminal portion 3 is used to perform the electrical characteristics in the same inspection device as that of the conventional electric double layer capacitor. After checking, as shown in FIG. 5 (c), the inspection lead terminal portion 3 is cut from the root with a cutting jig,
The surface mount type electric double layer capacitor 4 of the first embodiment according to the present invention was obtained. Such an electric double layer capacitor according to the present invention can be used as a conventional inspection apparatus and can be easily surface-mounted by cutting the inspection lead terminal portion 3.
【００１１】次に本発明による他の実施例について説明
する。図６は本発明の他の実施例の斜視図である。Next, another embodiment according to the present invention will be described. FIG. 6 is a perspective view of another embodiment of the present invention.
【００１２】図６に示すように、端子部１６ａを検査用
リード端子部１７と反対方向に、端子部１６ｂを検査用
リード端子部１７と同一方向に突出させた以外は第一の
実施例と同一の手段で電気二重層コンデンサ１５を得
た。この後、従来の電気二重層コンデンサと同一の検査
装置にて電気的特性をチェックした後、図６（ｂ）に示
したように検査用リード端子部１７を根元より切断し
て、本発明による第２の実施例の表面実装型電気二重層
コンデンサ１８を得た。第２の実施例の場合も、何ら問
題なく従来の検査装置を使うことができた。As shown in FIG. 6, the first embodiment except that the terminal portion 16a is projected in the direction opposite to the inspection lead terminal portion 17 and the terminal portion 16b is projected in the same direction as the inspection lead terminal portion 17. An electric double layer capacitor 15 was obtained by the same means. After that, the electrical characteristics are checked by the same inspection device as the conventional electric double layer capacitor, and then the inspection lead terminal portion 17 is cut from the root as shown in FIG. The surface mount type electric double layer capacitor 18 of the second embodiment was obtained. Also in the case of the second embodiment, the conventional inspection apparatus could be used without any problem.
【００１３】[0013]
【発明の効果】以上説明したように、本発明は検査用リ
ード端子部を有した電極板を電気二重層コンデンサ素子
の上下面に配置し、電極板の上下方向から所定の圧力を
加えた状態で溶融させた樹脂にて射出成形することによ
り検査用リード端子部を有する電気二重層コンデンサが
でき、しかも検査完了後リード端子部を切断することに
より容易に表面実装型ができるという効果を有する。As described above, according to the present invention, the electrode plates having the inspection lead terminals are arranged on the upper and lower surfaces of the electric double layer capacitor element, and a predetermined pressure is applied from the vertical direction of the electrode plates. There is an effect that an electric double layer capacitor having an inspection lead terminal portion can be formed by injection molding with the resin melted in step 1, and the surface mount type can be easily formed by cutting the lead terminal portion after the inspection is completed.
【図１】本発明の一実施例の検査用リード端子部切断前
および切断後の電気二重層コンデンサの斜視図である。FIG. 1 is a perspective view of an electric double layer capacitor before and after cutting an inspection lead terminal portion according to an embodiment of the present invention.
【図２】本発明の一実施例に使用する上部電極板および
下部電極板の斜視図である。FIG. 2 is a perspective view of an upper electrode plate and a lower electrode plate used in one embodiment of the present invention.
【図３】本発明の一実施例の製造工程のうちモールド成
形用金型にセットする直前の状態を示す斜視図である。FIG. 3 is a perspective view showing a state immediately before setting in the mold for molding in the manufacturing process of the embodiment of the present invention.
【図４】本発明の一実施例の製造工程における図３のＡ
−Ａ1 からみた金型にセットする前の断面図およびセッ
ト後の断面図である。FIG. 4A in FIG. 3 in the manufacturing process of one embodiment of the present invention.
FIG. 3A is a cross-sectional view before and after being set in a mold as viewed from A 1 .
【図５】本発明の一実施例の製造工程におけるモールド
成型直後、検査用リード端子部切断直前、リード端子部
を切断後の電気二重層コンデンサの斜視図である。FIG. 5 is a perspective view of the electric double layer capacitor immediately after molding, immediately before cutting the lead terminal portion for inspection, and after cutting the lead terminal portion in the manufacturing process of one embodiment of the present invention.
【図６】本発明の他の実施例の製造工程における検査用
リード端子部切断直前および切断後の電気二重層コンデ
ンサの斜視図である。FIG. 6 is a perspective view of an electric double layer capacitor immediately before and after cutting of an inspection lead terminal portion in a manufacturing process of another embodiment of the present invention.
【図７】従来の電気二重層コンデンサ素子および電気二
重層コンデンサの断面図である。FIG. 7 is a cross-sectional view of a conventional electric double layer capacitor element and electric double layer capacitor.
１ 検査用リード端子部切断前の電気二重層コンデン
サ ２ａ，２ｂ，１６ａ，１６ｂ 端子部 ３，１７ 検査用リード端子部 ４ 第一実施例による電気二重層コンデンサ ５，１９ 検査用リード端子部を切断した跡 ６ 上部電極板 ７ 下部電極板 ８，２５ 素子積層体 ９ 上金型 １０ 下金型 １１ 加圧ピン １２ 樹脂射出口 １３ モールド成形直後の電気二重層コンデンサ １４ 切断した検査用リード端子部 １５ 検査用リード端子部切断前の電気二重層コンデ
ンサ １８ 電気二重層コンデンサ ２０ 導電性セパレータ ２１ カーボンペースト電極 ２２ 多孔性セパレータ ２３ 非導電性ガスケット ２４ 素子 ２６ａ 第１の電極板 ２６ｂ 第２の電極板 ２６ｃ 絶縁ケース ２７ 組立電極 ２８ 金属ケース1 Electric Double Layer Capacitor Before Cutting Lead Terminal Section for Inspection 2a, 2b, 16a, 16b Terminal Section 3,17 Lead Terminal Section for Testing 4 Electric Double Layer Capacitor According to First Embodiment 5,19 Cutting Lead Terminal Section for Testing Traces 6 Upper electrode plate 7 Lower electrode plate 8,25 Element stack 9 Upper mold 10 Lower mold 11 Pressure pin 12 Resin injection port 13 Electric double layer capacitor immediately after molding 14 Cut lead terminal part for inspection 15 Electric Double Layer Capacitor Before Cutting Lead Terminal for Inspection 18 Electric Double Layer Capacitor 20 Conductive Separator 21 Carbon Paste Electrode 22 Porous Separator 23 Non-Conductive Gasket 24 Element 26a First Electrode Plate 26b Second Electrode Plate 26c Insulation Case 27 Assembly electrode 28 Metal case
Claims (2)
素子積層体の上下面に、端子部及び検査用リード端子部
を有し前記検査用リード端子部が同一方向に突出するよ
う配置された一対の電極板と、前記一対の電極板の上下
方向に所定の圧力を加え保持した状態で前記端子部及び
検査用リード端子部の一部を除く全体を射出成形により
成形した外装樹脂とを含むことを特徴とする電気二重層
コンデンサ。1. An electric double layer capacitor element laminated body, and a terminal portion and an inspection lead terminal portion are provided on the upper and lower surfaces of the element laminated body, and the inspection lead terminal portion is arranged so as to project in the same direction. A pair of electrode plates, and an exterior resin formed by injection molding of the whole of the pair of electrode plates except a part of the terminal portion and the inspection lead terminal portion while holding a predetermined pressure in the vertical direction. An electric double layer capacitor characterized in that.
を行なった後、検査用リード端子部を根元より切断し
て、表面実装型としたことを特徴とする請求項１記載の
電気二重層コンデンサ。2. The electric mount according to claim 1, wherein after the electrical inspection is performed at the inspection lead terminal portion, the inspection lead terminal portion is cut from the root to form a surface mount type. Multilayer capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4058655A JPH05267101A (en) | 1992-03-17 | 1992-03-17 | Electric double-layer capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4058655A JPH05267101A (en) | 1992-03-17 | 1992-03-17 | Electric double-layer capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05267101A true JPH05267101A (en) | 1993-10-15 |
Family
ID=13090608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4058655A Pending JPH05267101A (en) | 1992-03-17 | 1992-03-17 | Electric double-layer capacitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05267101A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7417845B2 (en) * | 2004-01-20 | 2008-08-26 | Japan Radio Co., Ltd. | Electric double-layer capacitor, electric energy storage device including the same, and production method for electric double-layer capacitor |
| US20150002990A1 (en) * | 2013-06-28 | 2015-01-01 | Feng Chia University | Packaging structures of an energy storage device |
| JP2018064051A (en) * | 2016-10-14 | 2018-04-19 | 株式会社トーキン | Electric double layer capacitor |
-
1992
- 1992-03-17 JP JP4058655A patent/JPH05267101A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7417845B2 (en) * | 2004-01-20 | 2008-08-26 | Japan Radio Co., Ltd. | Electric double-layer capacitor, electric energy storage device including the same, and production method for electric double-layer capacitor |
| US20150002990A1 (en) * | 2013-06-28 | 2015-01-01 | Feng Chia University | Packaging structures of an energy storage device |
| US9318269B2 (en) * | 2013-06-28 | 2016-04-19 | Feng Chia University | Packaging structures of an energy storage device |
| JP2018064051A (en) * | 2016-10-14 | 2018-04-19 | 株式会社トーキン | Electric double layer capacitor |
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