Patent · US Expired

Electrode assembly and electric double layer capacitor having the electrode assembly

US6195251A · kind A · utility

34Cited by
12References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 13, 1998
Grant dateFeb 27, 2001
Priority date
Expiry dateOct 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.