In a secondary battery charging method, constant current charging is performed until a first predetermined voltage V0 is attained, constant voltage charging is then performed at the first predetermined voltage V0, the first constant voltage charging is completed when a charge current becomes (In−ΔIn) from In, and then n is incremented by one; and constant voltage charging is performed at a voltage Vn=Vn-1+ΔVn, a step of completing the n-th constant voltage charging when the charge current becomes (In−ΔIn) from In is repeated by incrementing n by one, and the N-th constant voltage charging in which a value of the voltage Vn reaches a second predetermined voltage VN (>V0) is completed to terminate the constant voltage charging.


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    Title :

    Secondary battery charging method, charging control apparatus, and secondary battery


    Contributors:

    Publication date :

    2020-09-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY



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