Provided is a battery in which an area density S (mg/cm2) of a positive electrode active material layer is 27 mg/cm2 or greater, and a porous film included in a separator has a structure satisfying the following Expressions. 0.04≰Ri≰−0.07L−0.09×S+4.99 Ri=τ2L/ε′ ε′=[{(L×ε/100)−Rz×0.46/3}/L]×100 τ={(1.216×ε′Td×10−4)/L}0.5  (Expressions)


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    Title :

    BATTERY, BATTERY PACK, ELECTRONIC APPARATUS, ELECTRICALLY DRIVEN VEHICLE, ELECTRICAL STORAGE DEVICE, AND POWER SYSTEM


    Contributors:

    Publication date :

    2015-10-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    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