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US 7,842,419 B2Granted
Electroactive material and use thereof
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsShigeto Okada, Jun-ichi Yamaki, Hideyuki Yamamura, Shigeru Fujino
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AssigneeToyota Jidosha Kabushiki Kaisha
InventorsShigeto Okada, Jun-ichi Yamaki, Hideyuki Yamamura, Shigeru Fujino
Estimating the term…
An electroactive material and a method of manufacturing the same is provided, in which the primary component of the electroactive material is a metal boron oxide complex, and the electroactive material exhibits excellent charge/discharge characteristics. The electroactive material of the present invention is primarily composed of an amorphous metal complex represented by the general formula M2-2xO2xO3. M is one or two or more metal elements selected from the transition metal elements, e.g., Fe or V. In addition, x is 0<x<1, e.g., ½. This type of electroactive material can be manufactured by amorphizing the metal complex represented by the general formula M2-2xO2xO3 by means of a mechanical milling method. In addition, the electroactive material can be manufactured by rapidly cooling and solidifying a mixture containing an oxide in which M is a constituent metal element and a boron oxide from the melted state.
An electroactive material whose primary component is an amorphous metal complex represented by the general formula M2-2xB2xO3 wherein 50% or more of the M is vanadium and 0<x<1.
A method of manufacturing an electroactive material whose primary component is an amorphous metal complex, comprising:
A method of manufacturing an electroactive material whose primary component is an amorphous metal complex represented by the general formula M2-2xB2xO3, wherein 50% or more of the M is vanadium and 0<x<1, comprising:
A non-aqueous electrolyte secondary battery, comprising:
An anode active material for a non-aqueous electrolyte secondary battery whose primary component is an amorphous metal complex represented by the general formula M2-2xB2xO3, wherein 50% or more of the M is vanadium and 0<x≦1.
An electroactive material, comprising an amorphous metal complex represented by the general formula M2-2xB2xO3, as a primary component, wherein 50% or more of the M is vanadium and 0<x<1, and wherein the electroactive material further comprises a lithium compound.
Dependencies are inferred from the claim text.