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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||320/22 ; 320/31|
|우선권정보||JP-0112639 (1993-05-14); JP-0115783 (1994-05-18)|
|발명자 / 주소||
|출원인 / 주소||
|인용정보||피인용 횟수 : 52 인용 특허 : 4|
A secondary battery charging method and a charger used therefor, in which the method uses a constant current and a constant voltage such that the secondary battery is first charged with the constant current until the terminal voltage of the battery becomes a reference voltage higher than the full charging voltage for the battery and then further charged with the constant voltage which is equal to the full charging voltage. These two charging operations are switched by using various kinds of detection and control circuits, so that the secondary battery is...
A method for charging a secondary battery comprising the steps of: charging said secondary battery with a constant current; continuing a charging operation with said constant current for a predetermined period of time from the time when a charging voltage across said secondary battery reaches a predetermined value and switching said charging operation with said constant current to a charging operation with a constant voltage; and stopping said charging operation with said constant voltage when a charging current reaches a predetermined value, wherein sai...