Abstract: A barium titanate powder and a method for producing the same are provided. The barium titanate powder comprises a perovskite structure having a ratio c/a of 1.008 or more and ratio d/D of from 1 to 1.5, wherein “c” is a length of the c axis, “a” is a length of the a axis in the perovskite structure, “d” is an average particle diameter and “D” is a equivalent specific surface area diameter. The method of producing a barium titanate powder, comprises the steps of: (1) heating a mixture containing a titanium compound and a barium compound under a gas atmosphere containing a halogen at a temperature of not less than about 200° C. and less than the temperature for generation of barium titanate, (2) calcining the obtained mixture under an atmosphere containing substantially no halogen at a temperature of not lower than the temperature for generation of barium titanate.

Abstract: A method for producing a layered article having a layer of particles stacked on a substrate, including the following steps: (1): preparing a mixed particle dispersion liquid by dispersing, in a liquid dispersion medium, inorganic particle chains (A) in a volume fraction of from 0.30 to 0.84, each of the chains being composed of three or more particles with a particle diameter of from 10 to 60 nm attached to each other in a chain form, inorganic particles (B) having an average particle diameter of from 1 to 20 nm in a volume fraction of from 0.10 to 0.45, and particles (C) having an average particle diameter Dc of larger than 20 nm in a volume fraction of from 0.06 to 0.25, (2): applying the mixed particle dispersion liquid onto the substrate, and (3): removing the liquid dispersion medium from the mixed particle dispersion liquid applied, thereby forming, on the substrate, the particle layer having a thickness of D that satisfies 0.5D?Dc?D.

Abstract: Disclosed is a method for producing a dispersion liquid of solid particulates, the method comprising subjecting a mixture liquid comprising charged particles, solid particles greater in average particle diameter than the charged particles, and a liquid medium to pulverization. Moreover, a method for producing an electrode and a method for producing an electric double layer capacitor using the aforementioned method.

Abstract: Provided is a method for producing a film comprising inorganic particles and carbon particles bound together with the inorganic particles, the method comprising a step of compressing a film composed of a mixture comprising carbon particles and inorganic particles at a temperature which is not higher than the melting point of the carbon particles and not higher than the melting point of the inorganic particles to increase the bulk density of the mixture. Moreover, a method for producing a laminated electrode and a method for producing an electric double layer capacitor, both using the foregoing method, are provided.

Abstract: Disclosed is a process for producing a layered article including a substrate and an inorganic particle layer formed thereon, the process including: preparing a mixed inorganic particle dispersion comprising a liquid dispersion medium containing inorganic particles (A) and inorganic particles (B), the mixed inorganic particle dispersion being characterized by conditions (1) regarding particle size, (2) regarding volume fraction of inorganic particles and (3) regarding weight fraction; applying the mixed inorganic particle dispersion to a substrate, and removing the liquid dispersion medium from the mixed inorganic particle dispersion applied to form an inorganic particle layer on the substrate.

Abstract: Provided are a polarizer containing a polarizing film having two surfaces opposing each other and one protective film layer, wherein the polarizing film has a resin film with dichroic dye molecules adsorbed on the resin film with uniaxial orientation, wherein the protective film layer is disposed on or over one of the surfaces of the polarizing film, and wherein the polarizer further has, on or over at least one of the surfaces of the polarizing film, an inorganic particle layer containing inorganic particles, and a polarizer having a polarizing film having two surfaces opposing each other and two protective film layers, wherein the polarizing film has a resin film with dichroic dye molecules adsorbed on the resin film with uniaxial orientation, wherein one of the protective film layers is disposed on or over one of the surfaces of the polarizing film and the other protective film layer is disposed on or over the other surface of the polarizing film, and wherein the polarizer further has, on or over at least

Abstract: An electrode film is provided which comprises carbon particles and inorganic particles having a particle diameter within the range of from 1 nm to 100 nm, wherein the carbon particles are bound together by the inorganic particles. In addition, an electrode is provided which has a current collector and an electrode film disposed on the current collector, wherein the electrode film is the aforesaid electrode film. This electrode can be produced by a method which has applying a dispersion liquid containing carbon particles and inorganic particles having a particle diameter within the range of from 1 nm to 100 nm dispersed in a liquid medium, to a current collector to form a dispersion liquid film, and removing the liquid medium from the dispersion liquid film to form an electrode film composed of the carbon particles and the inorganic particles. Furthermore, an electric double layer capacitor in which the aforesaid electrode has been incorporated is provided.

Abstract: A barium titanate powder and a method for producing the same are provided. The barium titanate powder comprises a perovskite structure having a ratio c/a of 1.008 or more and ratio d/D of from 1 to 1.5, wherein “c” is a length of the c axis, “a” is a length of the a axis in the perovskite structure, “d” is an average particle diameter and “D” is a equivalent specific surface area diameter. The method of producing a barium titanate powder, comprises the steps of: (1) heating a mixture containing a titanium compound and a barium compound under a gas atmosphere containing a halogen at a temperature of not less than about 200° C. and less than the temperature for generation of barium titanate, (2) calcining the obtained mixture under an atmosphere containing substantially no halogen at a temperature of not lower than the temperature for generation of barium titanate.

Abstract: Disclosed is a process for producing a layered article including a substrate and an inorganic particle layer formed thereon, the process including: preparing a mixed inorganic particle dispersion comprising a liquid dispersion medium containing inorganic particles (A) and inorganic particles (B), the mixed inorganic particle dispersion being characterized by conditions (1) regarding particle size, (2) regarding volume fraction of inorganic particles and (3) regarding weight fraction; applying the mixed inorganic particle dispersion to a substrate, and removing the liquid dispersion medium from the mixed inorganic particle dispersion applied to form an inorganic particle layer on the substrate.