Abstract: To provide a positive electrode material for a lithium ion battery from which a lithium ion battery capable of enhancing output characteristics at low temperatures can be obtained, a positive electrode for a lithium ion battery in which the positive electrode material for a lithium ion battery is used, and a lithium ion battery including the positive electrode for a lithium ion battery. A positive electrode material for a lithium ion battery consisting of primary particles coated with a carbonaceous film or an agglomerate of the primary particles, in which a powder resistance Y is 500 ?·cm or more and 50000 ?·cm or less, a mass X of the carbonaceous film per unit specific surface area is 0.7 mg/m2 or more and 1.1 mg/m2 or less, and Formula (1) below is satisfied. Y?4.91×106×e?9.

Abstract: An electrode material including a carbonaceous-coated electrode active material having primary particles of the electrode active material and secondary particles that are aggregates of the primary particles, and a carbonaceous film that coats the primary particles of the electrode active material and the secondary particles that are the aggregates of the primary particles, in which a specific surface area, which is obtained using a nitrogen adsorption method, is 4 m2/g or more and 40 m2/g or less, a volume of micropores per unit mass is 0.05 cm3/g or more and 0.3 cm3/g or less, and an average micropore diameter, which is obtained from the volume of the micropores per unit mass and the specific surface area, is 26 nm or more and 90 nm or less.

Abstract: The positive electrode material for lithium ion secondary batteries includes a mixture including a positive electrode active material in which a length of a longest side of a primary particle is 1 nm or more and 1000 nm or less and a NASICON-type compound in which a length of a longest side of a primary particle is 1 nm or more and 1000 nm or less.

Abstract: A positive electrode material for a lithium ion secondary battery containing an olivine-type phosphate-based compound represented by General Formula LixAyDzPO4 (where A is at least one selected from the group consisting of Co, Mn, Ni, Fe, Cu, and Cr, D is at least one selected from the group consisting of Mg, Ca, Sr, Ba, Ti, Zn, V, B, Al, Ga, In, Si, Ge, Sc, and Y, 0.9<x<1.1, 0<y?1.0, 0?z<1.0, 0.9<y+z<1.1) and carbon, wherein the positive electrode material includes an agglomerate wherein primary particles which consist of the olivine-type phosphate-based compound agglomerate, and the agglomerate is a dense agglomerate, wherein a volume density of the agglomerate is 70% by volume or more and 85% by volume or less of a volume density of a solid body which has the same external appearance as the agglomerate.

Abstract: To provide a positive electrode material for a lithium ion battery from which a lithium ion battery capable of enhancing output characteristics at low temperatures can be obtained, a positive electrode for a lithium ion battery in which the positive electrode material for a lithium ion battery is used, and a lithium ion battery including the positive electrode for a lithium ion battery. A positive electrode material for a lithium ion battery consisting of primary particles coated with a carbonaceous film or an agglomerate of the primary particles, in which a powder resistance Y is 500 ?·cm or more and 50000 ?·cm or less, a mass X of the carbonaceous film per unit specific surface area is 0.7 mg/m2 or more and 1.1 mg/m2 or less, and Formula (1) below is satisfied. Y?4.91×106×e?9.

Abstract: A positive electrode material for a lithium ion secondary battery containing carbon, in which, when a peak of the carbon that is measured by Raman scattering and is present at 2200 to 3400 cm?1 is peak-separated into peaks including five types of Voigt functions of a peak 1 having a peak top present at 2200 to 2380 cm?1, a peak 2 having a peak top present at 2400 to 2550 cm?1, a peak 3 having a peak top present at 2600 to 2750 cm?1, a peak 4 having a peak top present at 2850 to 2950 cm?1, and a peak 5 having a peak top present at 3100 to 3250 cm?1, an average of proportions of Gaussian functions in the peak 3 and the peak 4 is 90% or more and less than 100%.

Abstract: A metal adsorbent-carrying carbon material for a positive electrode for lithium ion secondary batteries including a carbon material; and a metal adsorbent which is supported on the carbon material, wherein the metal adsorbent is a material which can adsorb iron ions (Fe2+, Fe3+).

Abstract: A positive electrode material for a lithium ion secondary battery, including core particles and a carbonaceous film coating a surface of the core particles, in which in a Raman spectrum analysis of the carbonaceous film, in a case where a peak intensity of a spectrum in a wave number band of 1,200 to 1,400 cm?1 is set as D, a minimum intensity of 1,400 to 1,550 cm?1 is set as V, and a peak intensity of the spectrum of 1,550 to 1,700 cm?1 is set as G, an average D/G is 0.77 or more and 0.98 or less and an average V/G is 0.50 or more and 0.66 or less, and in a case where the average D/G is set as a and the average V/G is set as b, X falls within a range of ?0.1?X?0.1 in Expression X=a?1.47b.

Abstract: A positive electrode material for lithium ion secondary batteries is provided, wherein a ratio (A/B) of an oil absorption amount (A) of powder per unit mass of the material, which is measured using N-methyl-2-pyrrolidone, to a void volume (B) of powder per unit mass of the material is 0.30 or more and 0.85 or less, and a ratio (C/D) of a powder density (C) of the material, which is measured in a powder pressure test at a pressure of 4.5 MPa, to an initial powder density (D) of the material is 1.3 or more and 1.7 or less.

Abstract: A titanium oxide powder of the present invention has a BET specific surface area of 5 m2/g or more and 15 m2/g or less and contains polyhedral-shaped titanium oxide particles having eight or more faces, in which a mass reduction rate in a case of being heated at 800° C. for 1 hour in an air atmosphere is 0.03% by mass or more and 0.5% by mass or less.

Abstract: A method of producing a positive electrode material for lithium-ion secondary batteries, which includes a pyrolyzed carbon coating, the method including a heat treatment step of thermally decomposing an organic compound using a rotary kiln to form a pyrolyzed carbon coating, wherein the organic compound is a carbon source that forms the pyrolyzed carbon coating of a positive electrode material.

Abstract: A metal adsorbent-carrying carbon material includes: a carbon material; and a metal adsorbent that is supported on the carbon material.

Abstract: A positive electrode material for a lithium ion secondary battery includes an olivine-type phosphate-based compound represented by General Formula LixAyDzPO4 and carbon, and, in transmission electron microscopic observation of a cross section of a secondary particle that is an agglomerate of primary particles of the olivine-type phosphate-based compound, a 300-point average value of filling rates of the carbon that fills insides of voids having a diameter of 5 nm or larger that are formed by the primary particles is 30 to 70%. A is any one of Co, Mn, Ni, Fe, Cu, and Cr, D is any one of Mg, Ca, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge, Sc, and Y, and x, y, and z satisfy 0.9<x<1.1, 0<y?1.0, 0?z<1.0, and 0.9<y+z<1.1.

Abstract: A positive electrode material for lithium-ion secondary batteries, wherein the positive electrode material includes a carbon-coated positive electrode active material which comprises primary particles, secondary particles, and a carbon film, wherein the primary particles and the secondary particles are coated with the carbon film, wherein the primary particles consists of a positive electrode active material in which a strain of the positive electrode active material, which is calculated by X-ray diffraction measurement, is 0.01% or higher and 0.1% or lower, and a ratio (B/A) of a crystallite diameter B (nm) of the positive electrode active material to an average primary particle diameter A (nm) of the carbon-coated positive electrode active material is 0.9 or higher and 1.5 or lower, wherein the particle diameter A is calculated from a specific surface area of the carbon-coated positive electrode active material, wherein the specific surface area is obtained using a BET method.

Abstract: A positive electrode material for a lithium ion secondary battery containing carbon, in which, when a peak of the carbon that is measured by Raman scattering and is present at 2200 to 3400 cm?1 is peak-separated into peaks including five types of Voigt functions of a peak 1 having a peak top present at 2200 to 2380 cm?1, a peak 2 having a peak top present at 2400 to 2550 cm?1, a peak 3 having a peak top present at 2600 to 2750 cm?1, a peak 4 having a peak top present at 2850 to 2950 cm?1, and a peak 5 having a peak top present at 3100 to 3250 cm?1, an average of proportions of Gaussian functions in the peak 3 and the peak 4 is 90% or more and less than 100%.

Abstract: The positive electrode material for lithium ion secondary batteries includes a mixture including a positive electrode active material in which a length of a longest side of a primary particle is 1 nm or more and 1000 nm or less and a NASICON-type compound in which a length of a longest side of a primary particle is 1 nm or more and 1000 nm or less.

Abstract: A positive electrode material for a lithium ion secondary battery includes an olivine-type phosphate-based compound represented by General Formula LixAyDzPO4 and carbon, and, in transmission electron microscopic observation of a cross section of a secondary particle that is an agglomerate of primary particles of the olivine-type phosphate-based compound, a 300-point average value of filling rates of the carbon that fills insides of voids having a diameter of 5 nm or larger that are formed by the primary particles is 30 to 70%. A is any one of Co, Mn, Ni, Fe, Cu, and Cr, D is any one of Mg, Ca, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge, Sc, and Y, and x, y, and z satisfy 0.9<x<1.1, 0<y?1.0, 0?z<1.0, and 0.9<y+z<1.1.

Abstract: A positive electrode material for a lithium ion secondary battery, including core particles and a carbonaceous film coating a surface of the core particles, in which in a Raman spectrum analysis of the carbonaceous film, in a case where a peak intensity of a spectrum in a wave number band of 1,200 to 1,400 cm?1 is set as D, a minimum intensity of 1,400 to 1,550 cm?1 is set as V, and a peak intensity of the spectrum of 1,550 to 1,700 cm?1 is set as G, an average D/G is 0.77 or more and 0.98 or less and an average V/G is 0.50 or more and 0.66 or less, and in a case where the average D/G is set as a and the average V/G is set as b, X falls within a range of ?0.1?X?0.1 in Expression X=a?1.47b.

Abstract: A positive electrode material for a lithium ion secondary battery, including core particles and a carbonaceous film coating a surface of the core particles, in which in a Raman spectrum analysis of the carbonaceous film, in a case where a peak intensity of a spectrum in a wave number band of 1,200 to 1,400 cm?1 is set as D, a minimum intensity of 1,400 to 1,550 cm?1 is set as V, and a peak intensity of the spectrum of 1,550 to 1,700 cm?1 is set as G, an average D/G is 0.77 or more and 0.98 or less and an average V/G is 0.50 or more and 0.66 or less, and each of variation coefficients of D/G and V/G is 2% or less.

Abstract: The titanium oxide powder of the present invention is a titanium oxide powder having a BET specific surface area of 5 m2/g or more and 15 m2/g or less and containing polyhedral-shaped titanium oxide particles having eight or more faces, in which an L value in Lab color space thereof is 75 or higher.