Disclosed is a cathode active material including a lithium manganese-based oxide. The lithium manganese-based oxide has a spinel structure, exhibits core-shell phase transition by which phase transition of a crystal structure occurs from a cubic structure to a tetragonal structure in a direction from the surface of particles to the center of the particles during discharging to the 3V region, and includes a conductive material at the shell to improve electrical conductivity of the tetragonal structure.


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    Title :

    HIGH-CAPACITY POSITIVE ELECTRODE ACTIVE MATERIAL WITH IMPROVED CONDUCTIVITY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY COMPRISING SAME


    Additional title:

    HOCHKAPAZITIVES AKTIVMATERIAL FÜR POSITIVELEKTRODEN MIT VERBESSERTER LEITFÄHIGKEIT UND SEKUNDÄRBATTERIE MIT NICHTWÄSSRIGEM ELEKTROLYT UND MIT DIESEM MATERIAL
    MATIÈRE ACTIVE D'ÉLECTRODE POSITIVE À GRANDE CAPACITÉ DOTÉE D'UNE CONDUCTIVITÉ AMÉLIORÉE ET BATTERIE RECHARGEABLE À ÉLECTROLYTE NON AQUEUX COMPRENANT CELLE-CI


    Contributors:

    Publication date :

    2019-06-12


    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 / C01G Verbindungen der von den Unterklassen C01D oder C01F nicht umfassten Metalle , COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F



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