Applicaton of the Lithium-Ion Rechargeable Battery for Portable Telephone

摘要

When we adop the lithum-ion rechargeable battery for the portable telephone, the technology to use the cells which have a different shape, capacity and charging voltage is necessary. We introduce in this paper some technology on the lithium-ion rechargeable battery (control of charging voltage, building into the body of the charging circuit) which our business group has adopted.