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Oxide-based positive electrode active material precursor for all-solid lithium-ion battery, oxide-based positive electrode active material for all-solid lithium-ion battery, positive electrode for all-solid lithium-ion battery, all-solid lithium-ion battery, oxidation for all-solid lithium-ion battery Method for producing a precursor of a physical positive electrode active material and a method for producing an oxide-based positive electrode active material for an all-solid lithium-ion battery
Oxide-based positive electrode active material precursor for all-solid lithium-ion battery, oxide-based positive electrode active material for all-solid lithium-ion battery, positive electrode for all-solid lithium-ion battery, all-solid lithium-ion battery, oxidation for all-solid lithium-ion battery Method for producing a precursor of a physical positive electrode active material and a method for producing an oxide-based positive electrode active material for an all-solid lithium-ion battery
PROBLEM TO BE SOLVED: To provide an oxide-based positive electrode active material for an all-solid-state lithium ion battery having a high capacity and a high tap density. SOLUTION: The composition formula: (NixCoyMn1-xy) CO3 (in the formula, 0.16 ≦ x ≦ 0.17, 0.16 ≦ y ≦ 0.17), and the average particle size D50 is 7. The total is 0 to 17.0 μm, the tap density is 1.6 to 2.0 g / cc, the circularity is 0.88 to 0.95, and the void ratio of the particle cross section is 2 to 10%. A precursor of an oxide-based positive electrode active material for solid lithium-ion batteries. [Selection diagram] None
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