Electrode material and method for producing same

An electrode material is provided in which a coating of a carbonaceous material is formed efficiently, uniformly and strongly on the surfaces of electrode active material particles, and therefore electron conductivity and the charge and discharge capacity of batteries are improved. The electrode mat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Kitagawa Takao, Mine Hiroyuki
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An electrode material is provided in which a coating of a carbonaceous material is formed efficiently, uniformly and strongly on the surfaces of electrode active material particles, and therefore electron conductivity and the charge and discharge capacity of batteries are improved. The electrode material includes composite particles, which includes a carbonaceous substance and an electrode active material, wherein a carbonaceous material is provided on surfaces of electrode active material particles, and a standard rate constant of a redox reaction of ferrocene occurring on the surfaces of the composite particles is 1×10−5 cm/s or more.