Method of making laminated polymeric rechargeable battery cells
US6132477A · kind A · utility
4Cited by
1References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 20, 1999 |
| Grant date | Oct 17, 2000 |
| Priority date | — |
| Expiry date | May 20, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49112
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The dangers of short-circuiting and lithium metal plating during recharging of a unitary laminate lithium-ion intercalation battery cell are alleviated by trimming the periphery of the cell with a transverse slicing cut made at an angle from the perpendicular of the major plane surface of the cell. The resulting angled peripheral edges of the cell provides greater edge separation between electrode layers and reduces the occurrence of metal-plating accumulation of lithium ions at the edge surface of the negative electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.