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AssigneeNanotek Instruments, Inc.
InventorsAruna Zhamu, Jinjun Shi, Guorong Chen, Ming C. Wang, Bor Z. Jang
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A nano graphene-enhanced particulate for use as a lithium battery cathode active material, wherein the particulate is formed of a single or a plurality of graphene sheets and a plurality of fine cathode active material particles with a size smaller than 10 μm (preferably sub-micron or nano-scaled), and the graphene sheets and the particles are mutually bonded or agglomerated into an individual discrete particulate with at least a graphene sheet embracing the cathode active material particles, and wherein the particulate has an electrical conductivity no less than 10−4 S/cm and the graphene is in an amount of from 0.01% to 30% by weight based on the total weight of graphene and the cathode active material combined.
A nano graphene-enhanced particulate for use as a lithium battery cathode active material, wherein said particulate is formed of a single or a plurality of graphene sheets and a plurality of fine cathode active material particles with a size smaller than 10 μm, and the graphene sheets and the particles are mutually bonded or agglomerated into said particulate with a graphene sheet embracing said cathode active material particles, and wherein said particulate has an electrical conductivity no less than 10−4 S/cm and said graphene is in an amount of from 0.01% to 30% by weight based on the total weight of graphene and the cathode active material combined.
Dependencies are inferred from the claim text.