Carbonaceous molded article for electrodes and method of manufacturing the same
US10388956B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2015 |
| Grant date | Aug 20, 2019 |
| Priority date | — |
| Expiry date | Jan 15, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An object of the present invention is to provide a carbonaceous molded article for electrodes having high charge/discharge capacity, high initial charge/discharge efficiency, and excellent cycle life without a polymeric binder.The above object can be achieved by the carbonaceous molded article for electrodes of the present invention comprising a carbon fiber nonwoven fabric, the article having a thickness of not greater than 1 mm, an atomic ratio (H/C) of hydrogen atoms and carbon atoms according to elemental analysis of not greater than 0.1, a porosity determined from a bulk density and a butanol true density of the molded article of 25 to 80%, and a volatile content of not greater than 5.0 wt %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.