Abstract: A positive electrode according to the present invention is a positive electrode of a lithium ion secondary battery in which a coating film containing a positive electrode active material is pressed against a surface of a positive electrode base material, and the positive electrode active material is a mixture of a first active material containing single particles of lithium composite oxide and a second active material containing secondary particles which are aggregated single particles of lithium composite oxide.

Abstract: There is provided a positive electrode for a lithium-ion rechargeable battery in which it is possible to achieve both exceptional electrical conductivity and adhesion of an electrode active material to a current collector and it is possible to dramatically improve battery characteristics compared to those in the related art. A positive electrode for a lithium-ion rechargeable battery includes a current collector; and an electrode active material-containing layer provided on the current collector, wherein the electrode active material-containing layer contains active material particles and a conductive material that connects the active material particles to each other; wherein the mass ratio of the active material particles:the conductive material:other components in the electrode active material-containing layer is 95 to 99.7:0.

Abstract: A negative electrode active material for a rechargeable battery of the present invention includes a silicon composite composed of a silicon compound and at least one carbon material of graphite, non-graphitizable carbon, and soft carbon, a self-assembled monolayer which covers the surface of the silicon composite and has amino groups, and a carbon compound that is bonded to the self-assembled monolayer via the amino groups and contains carbon atoms as a main component.

Abstract: There is provided a positive electrode for a lithium-ion rechargeable battery in which it is possible to achieve both exceptional electrical conductivity and adhesion of an electrode active material to a current collector and it is possible to dramatically improve battery characteristics compared to those in the related art. A positive electrode for a lithium-ion rechargeable battery includes a current collector; and an electrode active material-containing layer provided on the current collector, wherein the electrode active material-containing layer contains active material particles and a conductive material that connects the active material particles to each other; wherein the mass ratio of the active material particles:the conductive material:other components in the electrode active material-containing layer is 95 to 99.7:0.

Abstract: A cathode active material that is able to improve storage characteristics without deteriorating charging and discharging capacity is provided. By mixing lithium nickel containing composite oxide particles comprising a layered rock-salt type crystal structure, a lithium compound, and an alkali metal compound; calcining the mixed powder at a temperature range of 800° C. to 1000° C.; washing and removing alkali metal other than lithium; mixing washed calcined particles with a lithium compound again; calcining the mixture in an oxidizing atmosphere at a temperature range of 600° C. to 800° C., lithium nickel containing composite oxide comprising a layered rock-salt type crystal structure and a peak intensity ratio of (003) plane with respect to (104) plane of 1.2 or more that are obtained by X-ray powder diffraction using Cu-K? ray as an X-ray source is obtained.

Abstract: A cathode active material that is able to improve storage characteristics without deteriorating charging and discharging capacity is provided. By mixing lithium nickel containing composite oxide particles comprising a layered rock-salt type crystal structure, a lithium compound, and an alkali metal compound; calcining the mixed powder at a temperature range of 800° C. to 1000° C.; washing and removing alkali metal other than lithium; mixing washed calcined particles with a lithium compound again; calcining the mixture in an oxidizing atmosphere at a temperature range of 600° C. to 800° C., lithium nickel containing composite oxide comprising a layered rock-salt type crystal structure and a peak intensity ratio of (003) plane with respect to (104) plane of 1.2 or more that are obtained by X-ray powder diffraction using Cu-K? ray as an X-ray source is obtained.

Abstract: An apparatus (20) for producing a particle film according to the present invention is an apparatus for producing a particle film by sweeping a meniscus area (5) in a particle dispersion liquid (4) filling a space between a first substrate (1) and a second substrate (2) facing the first substrate (1) and by forming the particle film on the first substrate (1) while evaporating a solvent in the meniscus area (5), including: particle concentration measuring means (3) for measuring a concentration of particles in the meniscus area (5); and particle concentration adjusting means (13) for adjusting the concentration of particles in the meniscus area (5) in accordance with the particle concentration measured by the particle concentration measuring means (3).

Abstract: An object of the present invention is to realize an OLED capable of attaining high luminescence luminance and easy to manufacture. An organic electroluminescence device (1) of the present invention includes a luminescent layer (7) between an anode (3) and a cathode (9). The luminescent layer (7) contains an organic luminescent material. The organic electroluminescence device includes: a hole transportation layer (6) formed between the anode (3) and the luminescent layer (7); a metal nano particle layer between the anode (3) and the hole transportation layer (6), the metal nano particle layer being a layer in which metal nano particles (5) are dispersedly distributed. The metal nano particle layer is such that gaps between the metal nano particles (5) dispersedly distributed are filled with a hole transportation material. The metal nano particles (5) causes resonance with excited electrons in the luminescent layer (7), thereby reinforcing the luminescence by surface plasmon.

Abstract: An apparatus (20) for producing a particle film according to the present invention is an apparatus for producing a particle film by sweeping a meniscus area (5) in a particle dispersion liquid (4) filling a space between a first substrate (1) and a second substrate (2) facing the first substrate (1) and by forming the particle film on the first substrate (1) while evaporating a solvent in the meniscus area (5), including: particle concentration measuring means (3) for measuring a concentration of particles in the meniscus area (5); and particle concentration adjusting means (13) for adjusting the concentration of particles in the meniscus area (5) in accordance with the particle concentration measured by the particle concentration measuring means (3).