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METHOD FOR PRODUCING COATED NICKEL-BASED LITHIUM-NICKEL COMPOSITE OXIDE PARTICLES

To provide: coated nickel-based lithium-nickel composite oxide particles which are able to be handled in the atmosphere and enable the achievement of a coating film of a lithium ion conductor having no adverse effects on battery characteristics; and a method for producing the coated nickel-based lithium-nickel composite oxide particles. A method for producing coated nickel-based lithium-nickel composite oxide particles, which comprises: an organic compound radicalization step wherein a radicalized organic compound is obtained by introducing an organic compound having 8 or less carbon atoms into a reaction gas, which has been excited into a plasma in the atmosphere, together with a carrier gas and radicalizing the organic compound; and a coating step wherein the surface of each nickel-based lithium-nickel composite oxide particle is covered with a coating film that contains an organic compound of a polymer or copolymer by bringing the radicalized organic compound into contact with the surfaces of the nickel-based lithium-nickel composite oxide particles.


» Number: WO2017131147A1 (A1)

» Publication Date: 17//2/03/0

» Applicant: SUMITOMO METAL MINING CO?[JP]

» Inventor: OTA YOSUKE?[JP]

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