A secondary battery includes: a cathode including a cathode current collector and a first cathode active material layer provided on the cathode current collector; an anode including an anode current collector and a first anode active material layer provided on the anode current collector to face the first cathode active material layer and including a titanium-containing compound; an intermediate electrode provided between the cathode and the anode and including an intermediate current collector, a second anode active material layer provided on the intermediate current collector to face the first cathode active material layer and including the titanium-containing compound, and a second cathode active material layer provided on the intermediate current collector to face the first anode active material layer; and an electrolytic solution including a solvent and an electrolyte salt and having number of molecules of the electrolyte salt equal to or larger than number of molecules of the solvent.


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    Title :

    Secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus


    Contributors:

    Publication date :

    2019-12-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B25F Kombinierte oder Mehrzweckwerkzeuge, soweit nicht anderweitig vorgesehen , COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR / 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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