JPH0587922B2 - - Google Patents
Info
- Publication number
- JPH0587922B2 JPH0587922B2 JP62211860A JP21186087A JPH0587922B2 JP H0587922 B2 JPH0587922 B2 JP H0587922B2 JP 62211860 A JP62211860 A JP 62211860A JP 21186087 A JP21186087 A JP 21186087A JP H0587922 B2 JPH0587922 B2 JP H0587922B2
- Authority
- JP
- Japan
- Prior art keywords
- conductive
- rubber
- sheet
- double layer
- electric double
- 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 - Lifetime
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 19
- 229920001971 elastomer Polymers 0.000 claims abstract description 17
- 239000005060 rubber Substances 0.000 claims abstract description 15
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 13
- -1 polypropylene Polymers 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 8
- 229920001577 copolymer Polymers 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 239000004743 Polypropylene Substances 0.000 claims abstract description 5
- 229920001155 polypropylene Polymers 0.000 claims abstract description 5
- 239000004698 Polyethylene Substances 0.000 claims abstract description 4
- 229920000573 polyethylene Polymers 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims abstract description 4
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 3
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 3
- 229920001748 polybutylene Polymers 0.000 claims abstract description 3
- 229920001195 polyisoprene Polymers 0.000 claims abstract description 3
- 239000002131 composite material Substances 0.000 claims description 15
- 239000004793 Polystyrene Substances 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 1
- 229920005549 butyl rubber Polymers 0.000 abstract description 7
- 230000035699 permeability Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract 5
- 239000000806 elastomer Substances 0.000 abstract 2
- 229920001169 thermoplastic Polymers 0.000 abstract 1
- 239000004416 thermosoftening plastic Substances 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 5
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 4
- 239000002861 polymer material Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000004438 BET method Methods 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000008040 ionic compounds Chemical class 0.000 description 1
- 125000003010 ionic group Chemical group 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Abstract
Description
〔産業上の利用分野〕
本発明は自己粘着性を有する導電性複合シート
に関し、特に電気二重層コンデンサの導電性セパ
レータ用材料に適した導電性複合シートに関す
る。
〔従来の技術〕
一般に、導電性を有する有機シートには(a)イオ
ン性基を有する高分子材料より成るもの、(b)絶縁
性の高分子材料にイオン性の化合物を添加したも
の、(c)絶縁性の高分子材料にカーボン、金属等の
電子導電性の物質を添加したもの、(d)高分子材料
自体に二重結合等を有するもの等がある。このう
ち(a)，(b)は主にイオン導電性を示し、一般に導電
率はそれほど高くはない。(c)，(d)は主に電子によ
る導電性を有し、導電性は高いがこのうち(d)は一
般に加工性に劣る。導電性に富み、かつ、工業的
にも安定なシートを製造するには(c)の導電性シー
トが最も一般的である。(c)の導電性シートは、一
般的にはカーボン又は銀、ニツケル等の金属粉を
ポリエチレン、ポリプロピレン等のプラスチツク
材料熱可塑性エラストマー又はゴム材料に分散さ
せたものが主である。
〔発明が解決しようとする問題点〕
上述した従来の導電性有機シートにはそれぞれ
構成成分により特徴を有しており、その用途によ
つて長所、短所を有している。たとえば、電気二
重層コンデンサの導電性セパレータとして使用す
る場合には、(1)導電性が高いこと、(2)気体透過性
が小さいこと、(3)耐酸性に富んでいること、(4)破
断強度が強いこと、(5)ある程度ののびがあるこ
と、(6)薄型化が可能であること、(7)仮留め等に必
要な自己粘着性を有していること、等の性質を有
していることが好ましい。前述の導電性有機シー
トのうち、熱可塑性エラストマーにカーボンを分
散させたものおよびゴム材料にカーボンを分散さ
せたものは上述の(1)〜(7)のほとんどの条件を満た
しているが、前者には自己粘着性がなく、後者は
200μm以下の厚みにすることが極めて困難である
という欠点がある。
上述した従来の導電性有機シートに対し、本発
明は異なつた性質を有する導電性有機シートを複
合することにより、それぞれの欠点を補い合い、
前述の(1)〜(7)の諸性質を全て兼ねそなえるという
相違点を有する。
〔問題点を解決するための手段〕
本発明の導電性複合シートは、一方の面がポリ
スチレン、ポリプロピレン、ポリブチレン、ポリ
エチレンあるいはこれらの共重合体を主成分とす
る熱可塑性エラストマーに導電性カーボンを分散
させた導電性熱可塑性セラストマーより成り、他
方の面がブチル系ゴム、ブタジエン系ゴム、ポリ
イソプレンあるいはこれらの共重合体、誘導体を
主成分とするゴム材料に導電性カーボンあるいは
導電性金属粉末を分散させた導電性ゴムより成る
という特徴を有している。
〔実施例１〕
次に、本発明の一実施例について詳述する。
スチレン、エチレンおよびブチレンの共重合体
よりなる熱可塑性エラストマー（SEBS）100部
に対し、導電性カーボンブラツク80部を混合し、
カレンダーにより厚さ50μmに圧延し、導電性熱
可塑性エラストマーシートを得た。
次に、ブチルゴム100部に液状ポリイソブチレ
ン５部、ステアリン酸２部、酸化亜鉛２部、導電
性カーボンブラツク100部、ｎ−ヘキサン200部を
混合した。この混合物を前述の50μmを導電性熱
可塑性エラストマーシート上に塗布し、ｎ−ヘキ
サンを乾燥除去して、導電性熱可塑性エラストマ
ーシート上に厚さ20μmの導電性ゴム膜を形成し、
厚さ70μmの導電性複合シートとした。このシー
トを125℃雰囲気中で３時間熱処理したのち諸物
性を測定した。この結果を第１表に示す。
[Industrial Field of Application] The present invention relates to a conductive composite sheet having self-adhesive properties, and particularly to a conductive composite sheet suitable as a material for a conductive separator of an electric double layer capacitor. [Prior Art] In general, conductive organic sheets include (a) those made of a polymer material having ionic groups, (b) those made of an insulating polymer material with an ionic compound added, ( c) Insulating polymer materials with electronically conductive substances such as carbon and metals added, and (d) Polymer materials themselves containing double bonds. Among these, (a) and (b) mainly exhibit ionic conductivity, and generally their conductivity is not so high. (c) and (d) have electrical conductivity mainly due to electrons, and have high electrical conductivity, but among these, (d) is generally inferior in processability. The conductive sheet (c) is the most common for producing a highly conductive and industrially stable sheet. The conductive sheet (c) is generally made by dispersing carbon or metal powder such as silver or nickel in a plastic material such as polyethylene or polypropylene, a thermoplastic elastomer, or a rubber material. [Problems to be Solved by the Invention] The above-mentioned conventional conductive organic sheets each have characteristics depending on their constituent components, and have advantages and disadvantages depending on their uses. For example, when used as a conductive separator for electric double layer capacitors, it must have (1) high conductivity, (2) low gas permeability, (3) high acid resistance, (4) It has properties such as strong breaking strength, (5) a certain degree of elasticity, (6) ability to be made thin, and (7) self-adhesiveness necessary for temporary fixing. It is preferable to have. Among the conductive organic sheets mentioned above, those in which carbon is dispersed in a thermoplastic elastomer and those in which carbon is dispersed in a rubber material satisfy most of the conditions (1) to (7) above, but the former is not self-adhesive, and the latter is
A drawback is that it is extremely difficult to reduce the thickness to 200 μm or less. In contrast to the conventional conductive organic sheets described above, the present invention combines conductive organic sheets with different properties to compensate for the drawbacks of each,
The difference is that it has all of the properties (1) to (7) above. [Means for Solving the Problems] The conductive composite sheet of the present invention has conductive carbon dispersed in a thermoplastic elastomer whose main component is polystyrene, polypropylene, polybutylene, polyethylene, or a copolymer thereof on one side. Conductive carbon or conductive metal powder is dispersed in a rubber material whose main component is butyl rubber, butadiene rubber, polyisoprene, or a copolymer or derivative thereof. It is characterized by being made of conductive rubber. [Example 1] Next, an example of the present invention will be described in detail. 80 parts of conductive carbon black is mixed with 100 parts of thermoplastic elastomer (SEBS) made of a copolymer of styrene, ethylene and butylene,
It was rolled to a thickness of 50 μm using a calendar to obtain a conductive thermoplastic elastomer sheet. Next, 5 parts of liquid polyisobutylene, 2 parts of stearic acid, 2 parts of zinc oxide, 100 parts of conductive carbon black, and 200 parts of n-hexane were mixed with 100 parts of butyl rubber. This mixture was applied to a thickness of 50 μm as described above on a conductive thermoplastic elastomer sheet, and n-hexane was removed by drying to form a conductive rubber film with a thickness of 20 μm on the conductive thermoplastic elastomer sheet.
It was made into a conductive composite sheet with a thickness of 70 μm. After this sheet was heat treated in an atmosphere of 125°C for 3 hours, various physical properties were measured. The results are shown in Table 1.
次に、本発明の導電性複合シートを電気二重層
コンデンサに適用した実施例を第１図及び第２図
を参照して詳述する。第１図ａに示すように厚さ
0.5mmの未加硫の非導電性ブチルゴムシート３を
同心円状に内径６mm外形11mmに打抜きリング状シ
ートとする。次に、実施例１で述べた厚さ70μm
の本発明の導電性複合シート１を直径11mmに打抜
き、粘着性を有する導電性ゴム面が外側に来るよ
うにして前述のリング状シートに同心円状に配置
し、圧着して凹部を形成する。この凹部に30重量
％硫酸と、比表面積1100m2／ｇ（BET法）、粒径
325メツシユ以下の治性炭とを混合して得られる
ペースト電極２を充填してペースト充填シート５
ａを得る。次にこのペースト充填シート５ａの一
対を第１図ｂに示す如くペースト電極２面が相対
する方向で、ポリプロピレン製の厚さ25μm、直
径８mmの多孔性セパレータ４を介して同心円状に
配置合体した後、４Kg／cm2の圧力を上下方向より
加え、この圧力を保持した状態で125±5℃の温度
雰囲気で３時間放置し、未加硫の非導電性ブチル
ゴムシート3.3間及び未加硫の非導電性ブチルゴ
ムシート３と導電性複合シート１の間を密着させ
て本発明例の基本セル５ｂを得た。次に第２図の
ように、本発明例の基本セル５ｂを本発明の導電
性複合シート１の粘着性を利用して８枚直列に積
層、固定して積層体６とした後、金属製外装ケー
スに収納し、積層体６に20Kg／cm2の機械的圧力を
加え、この状態を保持したまま外装ケースの上端
をかしめ封口して動作電圧5Vの電気二重層コン
デンサを得た。
これに対し、従来例として、導電性複合シート
のかわりに導電性ゴム材料との複合シートをつく
る前の粘着性を有しない熱可塑性エラストマーを
使用し、これ以外は上述の実施例と同様にして基
本セルを作製した。この素子を８枚直列に整合、
積層し、側面を粘着テープで固定したのち、この
積層体を金属製外装ケースに収納し、積層体に20
Kg／cm2の機械的圧力を加え、この状態を保持した
まま外装ケースの上端をかしめ封口して従来の動
作電圧5Vの電気二重層コンデンサを得た。
第２表に本発明による電気二重層コンデンサお
よび従来例の電気二重層コンデンサのそれぞれ50
個の初期特性の平均値および、それぞれのコンデ
ンサ1000個を作製するのに要する時間を示す。
Next, an example in which the conductive composite sheet of the present invention is applied to an electric double layer capacitor will be described in detail with reference to FIGS. 1 and 2. Thickness as shown in Figure 1a
A 0.5 mm unvulcanized non-conductive butyl rubber sheet 3 is punched concentrically into a ring-shaped sheet with an inner diameter of 6 mm and an outer diameter of 11 mm. Next, the thickness of 70 μm as described in Example 1
The conductive composite sheet 1 of the present invention is punched out to a diameter of 11 mm, placed concentrically on the ring-shaped sheet described above with the adhesive conductive rubber surface facing outward, and pressed to form a recess. Add 30 wt% sulfuric acid to this concave part, specific surface area 1100 m 2 /g (BET method), particle size
A paste-filled sheet 5 is filled with a paste electrode 2 obtained by mixing curable carbon of 325 mesh or less.
get a. Next, as shown in FIG. 1b, a pair of paste-filled sheets 5a were arranged and combined in concentric circles with the two paste electrodes facing each other through a porous separator 4 made of polypropylene with a thickness of 25 μm and a diameter of 8 mm. After that, a pressure of 4 kg/cm 2 was applied from above and below, and while this pressure was maintained, it was left in an atmosphere at a temperature of 125 ± 5 °C for 3 hours, and the unvulcanized non-conductive butyl rubber sheet 3.3 and the unvulcanized The non-conductive butyl rubber sheet 3 and the conductive composite sheet 1 were brought into close contact to obtain the basic cell 5b of the present invention example. Next, as shown in FIG. 2, eight basic cells 5b of the present invention example are laminated and fixed in series using the adhesive properties of the conductive composite sheet 1 of the present invention to form a laminate 6, and then a metal The laminated body 6 was housed in an outer case, a mechanical pressure of 20 kg/cm 2 was applied to the laminate 6, and while this state was maintained, the upper end of the outer case was caulked and sealed to obtain an electric double layer capacitor with an operating voltage of 5 V. On the other hand, as a conventional example, a non-adhesive thermoplastic elastomer before making a composite sheet with a conductive rubber material was used instead of the conductive composite sheet, and the other things were the same as in the above-mentioned example. A basic cell was created. Eight of these elements are aligned in series,
After laminating the layers and fixing the sides with adhesive tape, the laminate is stored in a metal exterior case, and the laminate is
A mechanical pressure of Kg/cm 2 was applied, and while maintaining this state, the upper end of the outer case was caulked and sealed to obtain a conventional electric double layer capacitor with an operating voltage of 5V. Table 2 shows the electric double layer capacitor according to the present invention and the electric double layer capacitor of the conventional example.
The average value of the initial characteristics of each capacitor and the time required to manufacture 1000 capacitors of each capacitor are shown.
以上説明したように、本発明の導電性複合シー
トは導電性、気体透過性、耐酸性、強度、伸び、
加工性、自己粘着性を従来の単一シートより広い
巾でコントロールできる。特に、本発明の導電性
複合シートを電気二重層コンデンサの導電性セパ
レータとして使用する場合には、導電性、気体透
過性、耐熱性、強度、伸びにすぐれたシートを選
択できるのに加え、従来は得られなかつた接触抵
抗が低く自己粘着性を有し、しかも100μm以下と
いう薄いシートを得ることができ、電気二重層コ
ンデンサの等価直列抵抗の低減、小型化に加え、
製造工程の短縮も可能となり、工業的価値が大き
い。
As explained above, the conductive composite sheet of the present invention has good conductivity, gas permeability, acid resistance, strength, elongation,
Processability and self-adhesiveness can be controlled over a wider width than conventional single sheets. In particular, when using the conductive composite sheet of the present invention as a conductive separator for electric double layer capacitors, it is possible to select a sheet with excellent conductivity, gas permeability, heat resistance, strength, and elongation. It is possible to obtain a thin sheet with low contact resistance and self-adhesive properties, which could not be obtained with the conventional method, and also with a thickness of less than 100 μm.In addition to reducing the equivalent series resistance and miniaturization of electric double layer capacitors,
It also makes it possible to shorten the manufacturing process, which has great industrial value.
第１図ａ及び第１図ｂは本発明による電気二重
層コンデンサ素子の断面図、第２図は本発明によ
る電気二重層コンデンサ素子の積層体６の外観図
である。
１……導電性複合シート、２……ペースト電
極、３……非導電性ブチルゴムシート、４……多
孔性セパレータ、５ａ……ペースト充填シート、
５ｂ……基本セル、６……積層体。
1a and 1b are cross-sectional views of an electric double layer capacitor element according to the present invention, and FIG. 2 is an external view of a laminate 6 of the electric double layer capacitor element according to the present invention. DESCRIPTION OF SYMBOLS 1... Conductive composite sheet, 2... Paste electrode, 3... Non-conductive butyl rubber sheet, 4... Porous separator, 5a... Paste filled sheet,
5b...Basic cell, 6...Laminated body.
Claims (1)
成り、他方の面が導電性ゴムより成ることを特徴
とする電気二重層コンデンサの導電性セパレータ
用導電性複合シート。 ２ 前記導電性熱可塑性エラストマーがポリスチ
レン、ポリプロピレン、ポリブチレン、ポリエチ
レンあるいはこれらの共重合体を主成分とする熱
可塑性エラストマーに導電性カーボンを分散され
たものであり、かつ、前記導電性ゴムがブチル系
ゴム、ブタジエン系ゴム、ポリイソプレンあるい
はこれらの共重合体、誘導体を主成分とするゴム
材料に導電性カーボンあるいは導電性金属粉末を
分散させたことを特徴とする特許請求の範囲第１
項記載の電気二重層コンデンサの導電性セパレー
タ用導電性複合シート。[Claims] 1. A conductive composite sheet for a conductive separator of an electric double layer capacitor, characterized in that one surface is made of a conductive thermoplastic elastomer and the other surface is made of a conductive rubber. 2. The conductive thermoplastic elastomer is a thermoplastic elastomer mainly composed of polystyrene, polypropylene, polybutylene, polyethylene, or a copolymer thereof, in which conductive carbon is dispersed, and the conductive rubber is a butyl-based thermoplastic elastomer. Claim 1, characterized in that conductive carbon or conductive metal powder is dispersed in a rubber material whose main component is rubber, butadiene rubber, polyisoprene, or a copolymer or derivative thereof.
A conductive composite sheet for a conductive separator of an electric double layer capacitor as described in 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62211860A JPS6454607A (en) | 1987-08-25 | 1987-08-25 | Electric conductive compound sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62211860A JPS6454607A (en) | 1987-08-25 | 1987-08-25 | Electric conductive compound sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6454607A JPS6454607A (en) | 1989-03-02 |
| JPH0587922B2 true JPH0587922B2 (en) | 1993-12-20 |
Family
ID=16612801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62211860A Granted JPS6454607A (en) | 1987-08-25 | 1987-08-25 | Electric conductive compound sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6454607A (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0366111A (en) * | 1989-08-04 | 1991-03-20 | Nec Corp | Electric double layer capacitor and manufacture thereof |
| JPH03234016A (en) * | 1990-02-09 | 1991-10-18 | Isuzu Motors Ltd | Electric double layer capacitor |
| US5272485A (en) * | 1992-02-04 | 1993-12-21 | Trimble Navigation Limited | Microstrip antenna with integral low-noise amplifier for use in global positioning system (GPS) receivers |
| WO1997025728A1 (en) * | 1996-01-12 | 1997-07-17 | Nippon Zeon Co., Ltd. | Collector for electrical double-layer capacitor |
| EP1248310A4 (en) | 1999-10-21 | 2006-11-22 | Matsushita Electric Ind Co Ltd | Polymer electrolyte fuel cell |
| JP2002280264A (en) * | 2001-03-19 | 2002-09-27 | Nec Tokin Corp | Electric double-layer capacitor and production method therefor |
| KR100458867B1 (en) * | 2001-11-06 | 2004-12-03 | 주식회사 화승알앤에이 | Elastic insulating sheet for electric double layer capacitor and the manufacturing method of the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61206116A (en) * | 1985-03-08 | 1986-09-12 | サンアロ−株式会社 | Conductive sheet |
-
1987
- 1987-08-25 JP JP62211860A patent/JPS6454607A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61206116A (en) * | 1985-03-08 | 1986-09-12 | サンアロ−株式会社 | Conductive sheet |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6454607A (en) | 1989-03-02 |
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