A 12 volt automotive battery system includes a first battery coupled to an electrical system, in which the first battery includes a first battery chemistry. The first battery is charged with a relatively constant first voltage, in which an alternator outputs the relatively constant first voltage. The 12 volt automotive battery system further includes a second battery coupled in parallel with the first battery and selectively coupled to the electrical system via a DC/DC converter, in which the second battery includes a second battery chemistry that has a higher coulombic efficiency than the first battery chemistry. The DC/DC converter boosts the first voltage to a second voltage to charge the second battery during regenerative braking, in which the second voltage is higher than a maximum charging voltage of the first battery.


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    Titel :

    Semi-active architectures for batteries having two different chemistries


    Beteiligte:
    LE DANIEL B (Autor:in) / WYATT PERRY M (Autor:in) / MASCARENHAS RYAN S (Autor:in) / SISK BRIAN C (Autor:in)

    Erscheinungsdatum :

    2016-12-27


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    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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