Flat-shaped battery
US7914926B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2006 |
| Grant date | Mar 29, 2011 |
| Priority date | — |
| Expiry date | Jul 14, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/0002
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A flat-shaped battery according to the present invention includes: an outer can having an opening at its upper end; a gasket disposed at an inner edge of the opening; and a sealing plate that seals the opening together with the gasket. In this flat-shaped battery, the outer can houses a power generation element, the sealing plate is fixed to the inner edge of the opening of the outer can via the gasket by caulking, a nickel or nickel-containing plating layer having a thickness in a range from 1 to 10 μm is formed on an outer surface of a base composing the outer can, and a gold or gold-containing plating layer is formed on an outer surface of the nickel or nickel-containing plating layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.