According to one embodiment, provided is an active material that includes a secondary particle containing a plurality of primary particles containing a niobium-containing oxide. The secondary particle includes adjacent sections at which the primary particles are adjacent to each other and necking sections in which the primary particles are joined to each other. A total perimeter L of the primary particles and a sum Lcl of perimeters of the primary particles excluding the necking sections satisfy a relationship of 0.1<(L−Lcl)/L≤0.6.


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    Titel :

    ACTIVE MATERIAL, ELECTRODE, SECONDARY BATTERY, BATTERY PACK, AND VEHICLE


    Beteiligte:
    YAMASHITA YASUNOBU (Autor:in) / KANO KENTO (Autor:in) / HORIKAWA HIROFUMI (Autor:in) / HARADA YASUHIRO (Autor:in) / TAKAMI NORIO (Autor:in)

    Erscheinungsdatum :

    23.01.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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