Electrode assembly and electric double layer capacitor having the electrode assembly
US6195251A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 13, 1998 |
| Grant date | Feb 27, 2001 |
| Priority date | — |
| Expiry date | Oct 13, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/13
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrode assembly for an electric double layer capacitor, including a current collector made of an aluminum foil, and an electrode including a carbonaceous material having a specific surface area of at least 500 m.sup.2 /g and a binder, bonded on at least one side of the current collector, wherein the aluminum foil has a roughened layer having a thickness of from 0.5 to 5 .mu.m on the surface of the side bonded to the electrode and has a breaking energy of at least 3 kg.multidot.mm with a dumbbell specimen of No. 1 form as stipulated in JIS K6301.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.