CA2137323C - Electric double-layer capacitor - Google Patents
Electric double-layer capacitorInfo
- Publication number
- CA2137323C CA2137323C CA002137323A CA2137323A CA2137323C CA 2137323 C CA2137323 C CA 2137323C CA 002137323 A CA002137323 A CA 002137323A CA 2137323 A CA2137323 A CA 2137323A CA 2137323 C CA2137323 C CA 2137323C
- Authority
- CA
- Canada
- Prior art keywords
- resin
- electric double
- layer capacitor
- expanded graphite
- carbon
- 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
- 239000003990 capacitor Substances 0.000 title claims abstract 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract 34
- 229910002804 graphite Inorganic materials 0.000 claims abstract 20
- 239000010439 graphite Substances 0.000 claims abstract 20
- 229920005989 resin Polymers 0.000 claims abstract 19
- 239000011347 resin Substances 0.000 claims abstract 19
- 239000000853 adhesive Substances 0.000 claims abstract 14
- 230000001070 adhesive effect Effects 0.000 claims abstract 14
- 229910003481 amorphous carbon Inorganic materials 0.000 claims abstract 13
- 239000003575 carbonaceous material Substances 0.000 claims abstract 11
- 239000004020 conductor Substances 0.000 claims abstract 8
- 239000003610 charcoal Substances 0.000 claims abstract 6
- 239000000463 material Substances 0.000 claims abstract 4
- 230000001590 oxidative effect Effects 0.000 claims 10
- 229910052799 carbon Inorganic materials 0.000 claims 8
- 229920001187 thermosetting polymer Polymers 0.000 claims 8
- 239000000203 mixture Substances 0.000 claims 6
- -1 polyphenylene sulfate Polymers 0.000 claims 6
- 239000004840 adhesive resin Substances 0.000 claims 4
- 229920006223 adhesive resin Polymers 0.000 claims 4
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims 3
- 239000003822 epoxy resin Substances 0.000 claims 3
- 239000007849 furan resin Substances 0.000 claims 3
- 229920001568 phenolic resin Polymers 0.000 claims 3
- 239000005011 phenolic resin Substances 0.000 claims 3
- 229920000647 polyepoxide Polymers 0.000 claims 3
- 239000002904 solvent Substances 0.000 claims 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims 2
- 229920001971 elastomer Polymers 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 2
- 239000005060 rubber Substances 0.000 claims 2
- LNAZSHAWQACDHT-XIYTZBAFSA-N (2r,3r,4s,5r,6s)-4,5-dimethoxy-2-(methoxymethyl)-3-[(2s,3r,4s,5r,6r)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6r)-4,5,6-trimethoxy-2-(methoxymethyl)oxan-3-yl]oxyoxane Chemical compound CO[C@@H]1[C@@H](OC)[C@H](OC)[C@@H](COC)O[C@H]1O[C@H]1[C@H](OC)[C@@H](OC)[C@H](O[C@H]2[C@@H]([C@@H](OC)[C@H](OC)O[C@@H]2COC)OC)O[C@@H]1COC LNAZSHAWQACDHT-XIYTZBAFSA-N 0.000 claims 1
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 claims 1
- 229920000178 Acrylic resin Polymers 0.000 claims 1
- 239000004925 Acrylic resin Substances 0.000 claims 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims 1
- 229920000896 Ethulose Polymers 0.000 claims 1
- 239000001859 Ethyl hydroxyethyl cellulose Substances 0.000 claims 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims 1
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims 1
- 229920000459 Nitrile rubber Polymers 0.000 claims 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims 1
- 239000005062 Polybutadiene Substances 0.000 claims 1
- 239000004698 Polyethylene Substances 0.000 claims 1
- 239000004743 Polypropylene Substances 0.000 claims 1
- 239000004793 Polystyrene Substances 0.000 claims 1
- 229920006311 Urethane elastomer Polymers 0.000 claims 1
- 229920000800 acrylic rubber Polymers 0.000 claims 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims 1
- 239000001768 carboxy methyl cellulose Substances 0.000 claims 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims 1
- 229920001577 copolymer Polymers 0.000 claims 1
- 229930003836 cresol Natural products 0.000 claims 1
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 claims 1
- 239000003792 electrolyte Substances 0.000 claims 1
- 235000019326 ethyl hydroxyethyl cellulose Nutrition 0.000 claims 1
- 239000005038 ethylene vinyl acetate Substances 0.000 claims 1
- 229920001973 fluoroelastomer Polymers 0.000 claims 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims 1
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims 1
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims 1
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims 1
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims 1
- 239000002648 laminated material Substances 0.000 claims 1
- 229920000609 methyl cellulose Polymers 0.000 claims 1
- 239000001923 methylcellulose Substances 0.000 claims 1
- 235000010981 methylcellulose Nutrition 0.000 claims 1
- 239000011295 pitch Substances 0.000 claims 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims 1
- 229920001197 polyacetylene Polymers 0.000 claims 1
- 229920000058 polyacrylate Polymers 0.000 claims 1
- 229920002857 polybutadiene Polymers 0.000 claims 1
- 229920001707 polybutylene terephthalate Polymers 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- 229920000139 polyethylene terephthalate Polymers 0.000 claims 1
- 239000005020 polyethylene terephthalate Substances 0.000 claims 1
- 229920001155 polypropylene Polymers 0.000 claims 1
- 229920002223 polystyrene Polymers 0.000 claims 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims 1
- 229920002379 silicone rubber Polymers 0.000 claims 1
- 239000004945 silicone rubber Substances 0.000 claims 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 239000008096 xylene Substances 0.000 claims 1
- 238000007599 discharging Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/26—Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features
- H01G11/28—Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features arranged or disposed on a current collector; Layers or phases between electrodes and current collectors, e.g. adhesives
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/34—Carbon-based characterised by carbonisation or activation of carbon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/44—Raw materials therefor, e.g. resins or coal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/32—Carbon-based
- H01G11/38—Carbon pastes or blends; Binders or additives therein
-
- 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
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
An electric double-layer capacitor comprising, as the positive electrode and the negative electrode, a material obtained by adhering a polarizable electrode on one or both sides of a conductive material by the use of a conductive adhesive, in which capacitor the polarizable electrodes are formed by a carbon material composed mainly of active carbon, amorphous carbon and expanded graphite, or the conductive adhesive is composed mainly of a resin and expanded graphite, or the polarizable electrodes are formed by a carbon material composed mainly of active carbon, amorphous carbon and expanded graphite and the conductive adhesive is composed mainly of a resin and expanded graphite.
The electric double-layer capacitor has a low internal resistance, gives substantially no change in internal resistance when subjected to repeated discharging, and has a long life.
The electric double-layer capacitor has a low internal resistance, gives substantially no change in internal resistance when subjected to repeated discharging, and has a long life.
Claims (19)
1. An electric double-layer capacitor comprising a positive electrode and a negative electrode, both made of a material obtained by adhering a polarizable electrode on one or both sides of a conductive material by the use of a conductive adhesive, in which capacitor the polarizable electrode is formed of a carbon material composed essentially of active carbon, amorphous carbon and expanded graphite.
2. An electric double-layer capacitor comprising a positive electrode and a negative electrode, both made of a material obtained by adhering a polarizable electrode on one or both sides of a conductive material by the use of a conductive adhesive, in which capacitor the conductive adhesive is composed essentially of a resin and expanded graphite.
3. An electric double-layer capacitor comprising a positive electrode and a negative electrode, both made of a material obtained by adhering a polarizable electrode on one or both sides of a conductive material by the use of a conductive adhesive, in which capacitor the polarizable electrode is formed of a carbon material composed essentially of active carbon, amorphous carbon and expanded graphite and the conductive adhesive is composed essentially of a resin and expanded graphite.
4. An electric double-layer capacitor according to any one of claims 1-3, wherein the conductive material is impervious to any liquid.
5. An electric double-layer capacitor according to claim 1 or 3, wherein the active carbon is powdery, particulate or fibrous.
6. An electric double-layer capacitor according to claim 1 or 3, wherein the amorphous carbon is obtained by pyrolyzing a thermosetting resin in a non-oxidizing atmosphere.
7. An electric double-layer capacitor according to claim 6, wherein the thermosetting resin is a polycarbodiimide resin, a phenolic resin, a furan resin or an epoxy resin.
8. An electric double-layer capacitor according to claim 1 or 3, wherein the carbon material is obtained by pyrolyzing, in a non-oxidizing atmosphere, a mixture consisting essentially of active carbon, expanded graphite and a thermosetting resin capable of becoming amorphous carbon when pyrolyzed in a non-oxidizing atmosphere.
9. An electric double-layer capacitor according to claim 8, wherein the thermosetting resin is a polycarbodiimide resin, a phenolic resin, a furan resin or an epoxy resin.
10. An electric double-layer capacitor according to claim 8, wherein the amount of the expanded graphite in the mixture is 0.01-1,000 parts by weight per 100 parts by weight of the active carbon.
11. An electric double-layer capacitor according to claim 8, wherein the amount of the thermosetting resin capable of becoming amorphous carbon when pyrolyzed in a non-oxidizing atmosphere, in the mixture is 0.5-100 parts by weight per 100 parts by weight of the active carbon.
12. An electric double-layer capacitor according to claim 2, wherein the resin is at least one resin selected from the group consisting of a polycarbodiimide resin, a phenolic resin, a furan resin, an epoxy resin, a urethane resin, an ABS resin, a polyphenylene sulfate resin, an acrylic resin, polyethylene, polypropylene, polyacetylene, an ethylene-vinyl acetate copolymer, polystyrene, pitch, polyethylene terephthalate, polybutylene terephthalate, an isobutyl-isoprene copolymer rubber, a butadiene rubber, a styrene rubber, a silicone rubber, an ethylene-propylene rubber, a nitrile rubber, an acrylic rubber, a urethane rubber, a fluororubber, polyvinyl butyral, methyl cellulose, hydroxypropyl methyl cellulose, carboxymethyl cellulose, ethyl hydroxyethyl cellulose and hydroxypropyl cellulose.
13. An electric double-layer capacitor according to claim 2, wherein the conductive adhesive contains a solvent.
14. An electric double-layer capacitor according to claim 11, wherein the solvent is at least one solvent selected from the group consisting of toluene, acetone, water, methanol, ethanol, propanol, tetrachloroethylene, trichloroethylene, bromochloromethane, diacetone, dimethylformamide, ethyl ether, cresol, xylene, chloroform, butanol and dimethyl ether.
15. An electric double-layer capacitor according to claim 2, wherein the amount of the expanded graphite in the conductive adhesive is 0.01-5,000 parts by weight per 100 parts by weight of the resin.
16. An electric double-layer capacitor comprising a positive electrode, a negative electrode and an electrolyte impregnated between the positive and negative electrodes, wherein:
each of the positive and negative electrodes is made of a laminate material produced by adhering a polarizable electrode on one or both sides of a conductive material impervious to any liquid by the use of a conductive adhesive, and (1) the polarizable electrode is formed of a pyrolyzed carbon material composed essentially of active carbon, amorphous carbon and expanded graphite and the conductive adhesive is composed essentially of an adhesive resin and a conductive material other than expanded graphite, or (2) the polarizable electrode is formed of a pyrolyzed carbon material composed essentially of active carbon and amorphous carbon and the conductive adhesive is composed essentially of an adhesive resin and expanded graphite, or (3) the polarizable electrode is formed of a pyrolyzed carbon material composed essentially of active carbon, amorphous carbon and expanded graphite and the conductive adhesive is composed essentially of an adhesive resin and expanded graphite.
each of the positive and negative electrodes is made of a laminate material produced by adhering a polarizable electrode on one or both sides of a conductive material impervious to any liquid by the use of a conductive adhesive, and (1) the polarizable electrode is formed of a pyrolyzed carbon material composed essentially of active carbon, amorphous carbon and expanded graphite and the conductive adhesive is composed essentially of an adhesive resin and a conductive material other than expanded graphite, or (2) the polarizable electrode is formed of a pyrolyzed carbon material composed essentially of active carbon and amorphous carbon and the conductive adhesive is composed essentially of an adhesive resin and expanded graphite, or (3) the polarizable electrode is formed of a pyrolyzed carbon material composed essentially of active carbon, amorphous carbon and expanded graphite and the conductive adhesive is composed essentially of an adhesive resin and expanded graphite.
17. An electric double-layer capacitor according to claim 16 (1), wherein the pyrolyzed carbon material is produced by pyrolyzing, in a non-oxidizing atmosphere, a mixture consisting essentially of active carbon, expanded graphite and a thermosetting resin capable of becoming amorphous carbon when pyrolyzed in a non-oxidizing atmosphere and wherein the conductive material in the adhesive resin other than expanded graphite is graphite.
18. An electric double-layer capacitor according to claim 16 (2), wherein the pyrolyzed carbon material is produced by pyrolyzing, in a non-oxidizing atmosphere, a mixture consisting essentially of active carbon and a thermosetting resin capable of becoming amorphous carbon when pyrolyzed in a non-oxidizing atmosphere.
19. An electric double-layer capacitor according to claim 16 (3), wherein the pyrolyzed carbon material is produced by pyrolyzing, in a non-oxidizing atmosphere, a mixture consisting essentially of active carbon, expanded graphite and a thermosetting resin capable of becoming amorphous carbon when pyrolyzed in a non-oxidizing atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002137323A CA2137323C (en) | 1993-12-06 | 1994-12-05 | Electric double-layer capacitor |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP05-339729 | 1993-12-06 | ||
| JP5339729A JPH07161589A (en) | 1993-12-06 | 1993-12-06 | Electric double-layer capacitor |
| CA002137323A CA2137323C (en) | 1993-12-06 | 1994-12-05 | Electric double-layer capacitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2137323A1 CA2137323A1 (en) | 1995-06-07 |
| CA2137323C true CA2137323C (en) | 1999-09-07 |
Family
ID=29271280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002137323A Expired - Fee Related CA2137323C (en) | 1993-12-06 | 1994-12-05 | Electric double-layer capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2137323C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7799099B2 (en) | 2005-06-24 | 2010-09-21 | Universal Supercapacitors Llc | Method of manufacturing a current collector for a double electric layer capacitor |
| US7919014B2 (en) | 2006-11-27 | 2011-04-05 | Universal Supercapacitors Llc | Electrode for use with double electric layer electrochemical capacitors having high specific parameters |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2612642A1 (en) * | 2005-06-24 | 2007-01-04 | Valery Pavlovich Nedoshivin | Electrode and current collector for electrochemical capacitor having double electric layer and double electric layer electrochemical capacitor formed therewith |
| WO2008103681A1 (en) | 2007-02-19 | 2008-08-28 | Universal Supercapacitors Llc | Negative electrode current collector for heterogeneous electrochemical capacitor and method of manufacture thereof |
-
1994
- 1994-12-05 CA CA002137323A patent/CA2137323C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7799099B2 (en) | 2005-06-24 | 2010-09-21 | Universal Supercapacitors Llc | Method of manufacturing a current collector for a double electric layer capacitor |
| US7919014B2 (en) | 2006-11-27 | 2011-04-05 | Universal Supercapacitors Llc | Electrode for use with double electric layer electrochemical capacitors having high specific parameters |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2137323A1 (en) | 1995-06-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |