JPS62274569A - Rechargeable electro-chemical device - Google Patents
Rechargeable electro-chemical deviceInfo
- Publication number
- JPS62274569A JPS62274569A JP61117866A JP11786686A JPS62274569A JP S62274569 A JPS62274569 A JP S62274569A JP 61117866 A JP61117866 A JP 61117866A JP 11786686 A JP11786686 A JP 11786686A JP S62274569 A JPS62274569 A JP S62274569A
- Authority
- JP
- Japan
- Prior art keywords
- carbon
- activated carbon
- high voltage
- case
- coated
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 91
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 22
- 239000004744 fabric Substances 0.000 claims description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 8
- 239000002184 metal Substances 0.000 abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 6
- 239000010410 layer Substances 0.000 abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 abstract description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002344 surface layer Substances 0.000 abstract description 4
- 239000010936 titanium Substances 0.000 abstract description 4
- 229910052719 titanium Inorganic materials 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000012212 insulator Substances 0.000 abstract 1
- 239000011247 coating layer Substances 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 235000009852 Cucurbita pepo Nutrition 0.000 description 1
- 241000219104 Cucurbitaceae Species 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 description 1
- 229910001486 lithium perchlorate Inorganic materials 0.000 description 1
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- YMBCJWGVCUEGHA-UHFFFAOYSA-M tetraethylammonium chloride Chemical compound [Cl-].CC[N+](CC)(CC)CC YMBCJWGVCUEGHA-UHFFFAOYSA-M 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/663—Selection of materials containing carbon or carbonaceous materials as conductive part, e.g. graphite, carbon fibres
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
- H01M50/117—Inorganic material
- H01M50/119—Metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
- H01M50/124—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure
- H01M50/1243—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure characterised by the internal coating on the casing
-
- 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
- Y02E60/10—Energy storage using batteries
Abstract
Description
【発明の詳細な説明】
３、発明の詳細な説明
産業上の利用分野
本発明は、移動用直流電源、バックアップ用電源として
使用される充電可能な電気化学装置に関する。Detailed Description of the Invention 3. Detailed Description of the Invention Field of Industrial Application The present invention relates to a rechargeable electrochemical device used as a mobile DC power source or a backup power source.
従来の技術
活性炭を分極性電極として用いる充電可能な電気化学装
置は、一般的には正負極共同じ活性炭種から構成され、
電解液として過塩素酸リチウム。Conventional technology Rechargeable electrochemical devices that use activated carbon as polarizable electrodes generally have positive and negative electrodes made of the same type of activated carbon.
Lithium perchlorate as electrolyte.
過塩素アンモニウム、テトラエチルアンモニウムクロラ
イドなどを溶解した有機液体を用い、セパレータとして
耐酸化性にすぐれる多孔性樹脂布やガラス繊維布が用い
られている。An organic liquid in which ammonium perchloride, tetraethylammonium chloride, etc. are dissolved is used, and porous resin cloth or glass fiber cloth with excellent oxidation resistance is used as a separator.
この種の電気化学装置は、主に活性炭表面の電気二重層
における電荷チャージを充放電に利用するものである。This type of electrochemical device mainly utilizes charges in the electric double layer on the surface of activated carbon for charging and discharging.
したがって、電気二重層を形成する活性炭やの有効表面
積や導電性、さらには集電体及び活性炭の収納ケースと
の接触抵抗などが問題となる。Therefore, the effective surface area and conductivity of the activated carbon that forms the electric double layer, as well as the contact resistance between the current collector and the activated carbon storage case, etc., pose problems.
この集電体の効果をさらに向上させるために、集電体を
ケースに溶接させているのが一般的である。その方法と
しては、活性炭繊維布にアルミニウム金属を溶射して活
性炭の片面にアルミニウム層を設け、それをケースにス
ポット溶接したもの、アルミニウムのラス板を内蔵する
活性炭成型体の活性炭の一部を削りとってラス板を一部
露出させ、その露出部をケースにスポット溶接したもの
などある。In order to further improve the effect of this current collector, it is common to weld the current collector to the case. The methods include spraying aluminum metal onto activated carbon fiber cloth to provide an aluminum layer on one side of the activated carbon, and spot welding it to the case, or scraping off a part of the activated carbon of an activated carbon molded body with a built-in aluminum lath plate. There are some cases where a part of the lath plate is exposed and the exposed part is spot welded to the case.
発明が解決しようとする問題点
前者のアルミニウムを溶射した場合は導電性にすぐれる
が、高価であるとともにケースに溶接した場合の溶接強
度が必ずしも強くなく、ケースより活性炭層が剥れ易い
という弱点がある。また、後者の活性炭の一部を削りと
ってスポット溶接した場合は、ケースとの溶接強度は強
くなるが、活性炭の一部を欠損するため電気容量が小さ
くなるという欠点を有する。さらにこれらの共通の欠点
として、集電体が金属の場合、高電圧を印加すると金属
集電体が表面酸化を受け、電気絶縁性となって活性炭と
の電気接触性が悪くなり、その結果、電気化学装置の内
部抵抗が増大し易くなるという現象があった。Problems to be Solved by the Invention The former type of thermally sprayed aluminum has excellent conductivity, but it is expensive and the welding strength is not necessarily strong when welded to the case, and the activated carbon layer is more likely to peel off than the case. There is. In addition, in the latter case, when a part of the activated carbon is scraped off and spot welded, the welding strength with the case becomes stronger, but there is a drawback that the electric capacity becomes smaller because a part of the activated carbon is missing. Furthermore, a common drawback of these is that when the current collector is metal, when a high voltage is applied, the metal current collector undergoes surface oxidation, becomes electrically insulating, and has poor electrical contact with activated carbon. There has been a phenomenon in which the internal resistance of the electrochemical device tends to increase.
本発明は、活性炭を分極性電極として用いる充電可能な
電気化学装置において、活性炭と当接するケース内面と
の電気接触を良好に保ちつつ、高電圧を印加した場合に
も安定した電気接触を維持するよう改善しようとするも
のである。The present invention provides a rechargeable electrochemical device using activated carbon as a polarizable electrode, which maintains good electrical contact between the activated carbon and the inner surface of the case that comes into contact with it, and also maintains stable electrical contact even when a high voltage is applied. This is what we are trying to improve.
問題点を解決するだめの手段
本発明は上記の問題点を解決するため、ケース内面にカ
ーボンペーストを塗布し、活性炭とカーボン塗布層とを
接触させたものである。Means for Solving the Problems In order to solve the above-mentioned problems, the present invention coats the inner surface of the case with carbon paste, and brings the activated carbon into contact with the carbon coating layer.
作用
集電体として前記したアルミニウムやチタンなどの金属
を用いた場合、金属自身が高電圧によって表面層が酸化
され、絶縁性となるが、本発明のようにカーボン塗布層
を集電体とした場合、カーボン自信は非常に高耐圧であ
り、表面層が酸化されることはない。したがって、高電
圧を印加した場合にも、安定した電気接触性を保つこと
ができる。When using a metal such as aluminum or titanium as described above as a working current collector, the surface layer of the metal itself is oxidized by high voltage and becomes insulating, but when a carbon coating layer is used as a current collector as in the present invention In this case, carbon itself has a very high pressure resistance and the surface layer will not be oxidized. Therefore, even when a high voltage is applied, stable electrical contact can be maintained.
また、このとき用いる活性炭電極としては、活性炭繊維
布を所望の大きさに打ち抜いたものや、フッ素樹脂、Ｓ
ＢＨなどの結着剤で成型した活性炭粉末成型体を用いる
ことができる。The activated carbon electrode used at this time may be activated carbon fiber cloth punched out to the desired size, fluororesin, S
An activated carbon powder molded body molded with a binder such as BH can be used.
実施例
以下、本発明の実施例を第１図から第２図を参照して説
明する。Embodiments Hereinafter, embodiments of the present invention will be described with reference to FIGS. 1 and 2.
（実施例１）
第１図は正極に活性炭、負極に活性炭及び非水出液から
なる電解液を用いた充電可能な電気化学装置を示す。図
中１は正極端子を兼ねたケース、２はケースと同じ材料
を打抜き加工した負極端子をなす封口板、３はケースと
封口板とを絶縁するポリプロピレン製ガスケット、４は
正極であり、これは活性炭粉末８０重量部、バインダー
である７ノ素樹脂粉末２０重量部を混練し、直径１４．
Ｏｒｒｔｍ、厚さ０．７ｍｍの大きさのペレットに成型
したものである。５はカーボンペーストの塗布層であり
、ポリビニールアルコール液でカーボン粉末’ａ：ヘ−
）状とし、これをケース２の内面に塗着した後乾燥した
ものであり、活性炭電極４と密接している。(Example 1) FIG. 1 shows a rechargeable electrochemical device using activated carbon at the positive electrode, activated carbon at the negative electrode, and an electrolytic solution consisting of a non-aqueous liquid. In the figure, 1 is a case that also serves as a positive electrode terminal, 2 is a sealing plate that is punched from the same material as the case and serves as a negative terminal, 3 is a polypropylene gasket that insulates the case and the sealing plate, and 4 is a positive electrode. 80 parts by weight of activated carbon powder and 20 parts by weight of 7-carbon resin powder as a binder were kneaded to form a powder with a diameter of 14.
Orrtm, which was molded into pellets with a thickness of 0.7 mm. 5 is a coating layer of carbon paste, in which carbon powder is coated with polyvinyl alcohol solution.
) shape, which is applied to the inner surface of the case 2 and then dried, and is in close contact with the activated carbon electrode 4.
６は活性炭電極４とまったく同じ組成、大きさからなる
活性炭電極、７は６とまったく同じカーボン塗布層であ
る。８はポリプロピレン製不織布からなるセパレータで
ある。電解液には溶媒をｒ−ブチロラクトン（以下ｒ−
ＢＬと呼ぶ）と１７、とれにＬｉＢＦ４を１モル／ｌ溶
解したものを用いた。6 is an activated carbon electrode having exactly the same composition and size as activated carbon electrode 4, and 7 is a carbon coating layer that is exactly the same as 6. 8 is a separator made of polypropylene nonwoven fabric. The electrolyte contains r-butyrolactone (r-butyrolactone) as a solvent.
BL) and 17 were used in which 1 mol/l of LiBF4 was dissolved.
この電気化学装置を人とする。Let this electrochemical device be a person.
従来品として、活性炭電極として、活性炭粉末とフッ素
樹脂のディスパージョンを混練シ、チタンラスに塗着し
てシート状に成型し、真空乾燥後円形に打ち抜き厚さ０
，７瓢、直径１４龍のペレットを得、ペレット中央部の
一部の活性炭を剥離させ、露出したチタンラスをケース
にスポット溶接した。正、負極とも上記の構成をとり、
他はすべて実施例１とまったく同じとした。これをＢと
する。As a conventional product, activated carbon electrodes are made by kneading activated carbon powder and a dispersion of fluororesin, applying it to titanium lath, forming it into a sheet, and after vacuum drying, punching it into a circular shape with a thickness of 0.
, 7 gourds and a diameter of 14 dragons were obtained, a part of the activated carbon in the center of the pellet was peeled off, and the exposed titanium lath was spot welded to the case. Both the positive and negative electrodes have the above configuration,
Everything else was exactly the same as in Example 1. Let this be B.
（実施例２）
実施例１の４．６の活性炭電極として、厚さ０．７馴の
活性炭繊維布を直径１４Ｍに打ち抜いたペレットを用い
、他はすべて実施例１と同じ構成とした。これをＣとす
る。(Example 2) As the 4.6 activated carbon electrode in Example 1, a pellet made by punching out activated carbon fiber cloth with a thickness of 0.7 mm to a diameter of 14M was used, and all other configurations were the same as in Example 1. Let this be C.
これらの各装置を用い、装置組立て後の内部抵抗及び装
置に第２図の如く回路にて、４５℃の環境下で２．０Ｖ
、２、ＳＶの直流電圧を連続印加し、５００時間後の内
部抵抗を比較した。従来装置Ｂの組立て後の内部抵抗を
１００とした場合の比較値を第１表に示した。Using each of these devices, connect the internal resistance and the circuit to the device as shown in Figure 2 after assembling the device, and apply 2.0V in an environment of 45°C.
, 2. A DC voltage of SV was continuously applied, and the internal resistances after 500 hours were compared. Table 1 shows comparative values when the internal resistance of conventional device B after assembly is set as 100.
第１表 各装置の内部抵抗変化
第１表から明らかなように、従来装置Ｂは電圧が高くな
るにつれ、内部抵抗が大きく上昇するが、本発明装置Ａ
、Ｃは上昇がゆるやかであり安定である。これはやはり
前記したように、金属集電体を用いずカーボン塗布層を
用いたためと考えられる。Table 1 Changes in Internal Resistance of Each Device As is clear from Table 1, the internal resistance of conventional device B increases significantly as the voltage increases, but the device A of the present invention
, C increases slowly and is stable. This is probably because, as mentioned above, a carbon coating layer was used instead of a metal current collector.
また、ＡとＣではＣの方が若干内部抵抗が小さいが、こ
れは、人では活性炭粒子で絶縁性のバインダーを用いて
いるため、若干内部抵抗が高く、Ｃでは活性炭繊維布な
ので、バインダーが必要なく、そのＩ４電性が高いため
と考えられる。Also, between A and C, C has a slightly lower internal resistance, but this is because humans use an insulating binder made of activated carbon particles, so the internal resistance is slightly higher, and C has a slightly higher internal resistance because it is made of activated carbon fiber cloth. This is thought to be due to its high I4 conductivity.
なお、実施例ではカーボンペーストのペースト剤として
ポリビニールアルコール液を用いたが、これは電気特性
的には必要がないものなので、増粘性があって、乾燥時
に分解又は逸散してしまう。In the examples, a polyvinyl alcohol solution was used as a paste agent for the carbon paste, but since this is unnecessary in terms of electrical properties, it has thickening properties and decomposes or evaporates during drying.
たとえば水ガラスなどあればさらによい。For example, a water glass would be even better.
また、ペースト剤を用いずにカーボンを塗着するのもよ
い。It is also good to apply carbon without using a paste agent.
発明の効果
以上の説明から明らかなように、本発明は活性炭を分極
性電極として用いる充電可能な電気化学装置において、
高電圧印加時における内部抵抗の安定化を図り、高電圧
耐圧特性にすぐれた効果を発揮するものである。Effects of the Invention As is clear from the above explanation, the present invention provides a rechargeable electrochemical device using activated carbon as a polarizable electrode.
It stabilizes the internal resistance when high voltage is applied, and exhibits excellent high voltage withstand characteristics.
第１図は本発明の実施例における充電可能な電１・・・
・・・ケース、２・・・・・・封口板、３・・・・・・
ガスケット、４・・・・・・活性炭正極、５・・・・・
・カーボン塗布層、６・・・・・活性炭負極、７・・・
・・・カーボン塗布層、８・・・・・・セパレータ。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名第２
Ｚ Ｒｃ−充電砲坑尺０FIG. 1 shows a rechargeable battery 1 according to an embodiment of the present invention.
...Case, 2...Sealing plate, 3...
Gasket, 4...Activated carbon positive electrode, 5...
・Carbon coating layer, 6...Activated carbon negative electrode, 7...
...Carbon coating layer, 8...Separator. Name of agent: Patent attorney Toshio Nakao and 1 other person 2nd
Z Rc-Charging gun shaft scale 0
Claims (3)
あって、活性炭の収納ケースの内面にカーボンペースト
が塗着され、前記活性炭がこのカーボン塗着面に載置さ
れていることを特徴とした充電可能な電気化学装置。(1) An electrochemical device using activated carbon as a polarizable electrode, characterized in that carbon paste is applied to the inner surface of an activated carbon storage case, and the activated carbon is placed on this carbon-applied surface. Rechargeable electrochemical device.
項記載の充電可能な電気化学装置。(2) Claim 1 in which the activated carbon is an activated carbon fiber cloth
Rechargeable electrochemical device as described in Section.
れたものである特許請求の範囲第１項記載の充電可能な
電気化学装置。(3) The rechargeable electrochemical device according to claim 1, wherein the activated carbon is in the form of particles and is molded with a binder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61117866A JPS62274569A (en) | 1986-05-22 | 1986-05-22 | Rechargeable electro-chemical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61117866A JPS62274569A (en) | 1986-05-22 | 1986-05-22 | Rechargeable electro-chemical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62274569A true JPS62274569A (en) | 1987-11-28 |
Family
ID=14722228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61117866A Pending JPS62274569A (en) | 1986-05-22 | 1986-05-22 | Rechargeable electro-chemical device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62274569A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62285371A (en) * | 1986-06-04 | 1987-12-11 | Toshiba Battery Co Ltd | Nonaqueous solvent secondary battery |
| WO2001080621A2 (en) * | 2000-04-25 | 2001-11-01 | Rayovac Corporation | Extended temperature operating range electrochemical cells |
| WO2007032064A1 (en) * | 2005-09-14 | 2007-03-22 | Kitagawa Seiki Kabushiki Kaisha | Electrode for electric double layer capacitor and process for producing the same |
-
1986
- 1986-05-22 JP JP61117866A patent/JPS62274569A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62285371A (en) * | 1986-06-04 | 1987-12-11 | Toshiba Battery Co Ltd | Nonaqueous solvent secondary battery |
| WO2001080621A2 (en) * | 2000-04-25 | 2001-11-01 | Rayovac Corporation | Extended temperature operating range electrochemical cells |
| WO2001080621A3 (en) * | 2000-04-25 | 2002-05-02 | Ray O Vac Corp | Extended temperature operating range electrochemical cells |
| US6653016B2 (en) * | 2000-04-25 | 2003-11-25 | Rayovac Corporation | Extended temperature operating range electrochemical cells |
| WO2007032064A1 (en) * | 2005-09-14 | 2007-03-22 | Kitagawa Seiki Kabushiki Kaisha | Electrode for electric double layer capacitor and process for producing the same |
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