According to an embodiment, a secondary battery is provided. The secondary battery includes a positive electrode, a negative electrode, separator, and an aqueous electrolyte. The separator is located at least between the positive electrode and the negative electrode. The separator includes a composite film. The composite film includes a mixture of a polymeric material and ion conductive solid electrolyte particles having alkali metal ions conductivity. The polymeric material includes a polymer comprising a monomer unit. The monomer unit is a hydrocarbon with a functional group including at least one element selected from the group consisting of oxygen (O), sulfur (S), nitrogen (N), and fluorine (F). A ratio of the polymer in the polymeric material is not less than 70 mol %.


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    Titel :

    Secondary battery, battery pack, and vehicle


    Beteiligte:
    HOTTA YASUYUKI (Autor:in) / MATSUNO SHINSUKE (Autor:in) / TAKAMI NORIO (Autor:in) / YOSHIMA KAZUOMI (Autor:in)

    Erscheinungsdatum :

    2021-05-25


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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