Lithium ion charging means and method using ionic relaxation control
US6127804A · kind A · utility
44Cited by
3References
9Claims
0Family size
Inventors
Key dates
| Filing date | Sep 10, 1999 |
| Grant date | Oct 3, 2000 |
| Priority date | — |
| Expiry date | Sep 10, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This invention combines linear charging techniques with ionic relaxation pulse charging to rapidly charge lithium ion batteries to full capacity. The preferred embodiment incorporates a blocking diode and series resistor to multiplex an ionic relaxation control circuit with a linear regulated charging circuit, thereby utilizing a single, common, shared power transistor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.