Sony Corporation

Dexerials Corporation

Kenji Katori

Go Sudo

Kazuhiko Hayashi

Hayato Hommura

Katsuya Shirai

Kiyoshi Yamaura

Toshiaki Kanemitsu

Koichi Tanaka

Minehisa Imazato

Nicolas Nagel

Koji Watanabe

Masatoshi Hayakawa

Koichi Aso

Masahiko Tahara

Junji Kuyama

Akio Kayanuma

Akihiko Okabe

Mitsuharu Shouji

Hiroshi Matsuki

Hiroyuki Ohmori

Hiroshi Kano

Masahiro Tanaka

Katsuyuki Hironaka

Nobuaki Sato

Kazuo Kajiwara

Kiyoshi Kagawa

Atsuko Suzuki

Hiroshi Onuma

To provide a spinel ferrite magnetic powder having excellent characteristics. A method for manufacturing a magnetic powder includes: melting and then quenching a glass-forming component and a spinel ferrite magnetic powder-forming component to manufacture an amorphous body; and heat-treating the amorphous body to precipitate a spinel ferrite magnetic powder. An oxygen partial pressure during the heat treatment is 1.0 kPa or less.

Spinel ferrite magnetic powder and method for manufacturing the same

A fractionation method for magnetic recording-magnetic powder is provided. The method includes applying a magnetic field to a liquid that contains magnetic recording-magnetic powder dispersed therein, wherein the liquid is stored in a storage unit relatively shifting a position where the magnetic field is applied to the liquid; and separating the storage unit into two parts after the shift.

Fractionation method for magnetic recording-magnetic powder, fractionation apparatus for magnetic recording-magnetic powder, and method of producing magnetic recording medium

A fuel reformer which can easily achieve high weight energy density and high volume energy density, and a method for producing the fuel reformer with ease and high efficiency as well as an electrode for electrochemical device, such as a fuel cell, and an electrochemical device are provided. The present invention is to feed hydrogen obtained from a fuel reformer having a catalyst layer containing Pt for taking out hydrogen from a liquid fuel, such as methanol, and a hydrogen permeable layer, such as a Pd thin film, which is impermeable to liquid and permeable to hydrogen to an electrochemical device such as a fuel cell, which comprises a negative electrode, a positive electrode and a proton conductive film sandwiched therebetween. The present invention provides a method of producing the hydrogen permeable layer in the reformerby forming the hydrogen permeable layer and the catalyst layer on a base layer comprising Al or the like, and removing the base layer by dissolution.

Fuel reformer including a two layer integrated article

A composite particulate preparing apparatus is provided that includes a rotating body receiving particulates to which an adhering material is allowed to adhere and having a bottom surface, a side wall and a flange part; a centrifugal machine rotating the rotating machine to apply centrifugal force to the particulates in the rotating body; an inclination varying device shifting the rotating body at an arbitrary inclination angle so that the bottom surface of the rotating body forms a vertical plane parallel to a gravitational direction from a horizontal plane perpendicular to the gravitational direction; and a stirring device disposed closer to a horizontal line perpendicular to a vertical line drawn from a rotational center of the rotating body in a gravitational direction on a rotational side where the particulates drop from an uppermost point, than to the vertical line.

Composite particulate preparing apparatus and method

A method of preparing composite materials by (a) containing particulates to which an adhering material is to be made to adhere, in a rotary body having a bottom surface and a side wall; (b) rotating the rotary body so as to apply centrifugal forces to the particulates in the rotary body; and (c) varying the inclination of the rotary body to an arbitrary inclination angle in the range from an angle at which the bottom surface of the rotary body forms a horizontal surface perpendicular to the direction of gravity to an angle at which the bottom surface forms a vertical surface parallel to the direction of gravity, and supporting the rotary body at the arbitrary inclination angle.

Apparatus and method for preparing composite particulates

A sputtering composite target includes: an oxide based component containing indium oxide; and a carbon based component.

Sputtering composite target, method for manufacuturing transparent conductive film using the same and transparent conductive film-provided base material

Disclosed herein is an apparatus for preparing composite particulates, including a rotary body having a bottom surface and a side wall and operative to contain particulates to which an adhering material is to be made to adhere; a centrifugal machine for rotating the rotary body so as to apply centrifugal forces to the particulates in the rotary body; and an inclination varying device operative to vary the inclination of the rotary body to an arbitrary inclination angle in the range from an angle at which the bottom surface of the rotary body forms a horizontal surface perpendicular to the direction of gravity to an angle at which the bottom surface forms a vertical surface parallel to the direction of gravity, and operative to support the rotary body at the arbitrary inclination angle.

Apparatus and method for preparing composite particulates using vapor deposition

A method of operating a fuel cell power generator, and a fuel cell power generator to be operated by the method, which method enables feeding of a diluted fuel having an optimum concentration to a power generation unit even without measuring an absolute concentration typically using a sensor are provided. Specifically, how an output voltage of the power generation unit varies depending on a flow rate of a diluted fuel is monitored. Thus, the diluted fuel may be adjusted to have an optimum concentration always, even without measuring an absolute concentration typically using a sensor. According to this operation method, output characteristics and electrical efficiencies can be maximized according to a load and conditions of a fuel cell power generator.

Methods of operating fuel cell power generators, and fuel cell power generators

Conductive catalytic particles which are composed of a conductive powder and a catalytic material adhering to the surface thereof are provided. The catalytic material is an alloy of a noble metal material with an additive material which is thermally solid-insoluble in the noble metal material, or an alloy of MI and MII, where MI denotes at least one species selected from noble metal elements, and MII denotes at least one specifies selected from Fe, Co, Ni, Cr, Al, Cu, Hf, Zr, Ti, V, Nb, Ta, W, Ga, Sn, Ge, Si, Re, Os, Pb, Bi, Sb, Mo, Mn, O, N, C, Zn, In, and rare earth elements. The conductive catalytic particles are produced by causing the noble metal material and the additive material or MI and MII to adhere at the same time to the surface of a conductive powder by physical vapor deposition. The conductive catalytic particles are not susceptible to sintering and are used for a gas-diffusing catalytic electrode and an electrochemical device provided therewith.

Conductive catalyst particles and process for production thereof, gas-diffusing catalytic electrode, and electrochemical device

A fuel reformer which can easily achieve high weight energy density and high volume energy density, and a method for producing the fuel reformer with ease and high efficiency as well as an electrode for electrochemical device, such as a fuel cell, and an electrochemical device are provided. The present invention is to feed hydrogen obtained from a fuel reformer having a catalyst layer containing Pt for taking out hydrogen from a liquid fuel, such as methanol, and a hydrogen permeable layer, such as a Pd thin film, which is impermeable to liquid and permeable to hydrogen to an electrochemical device such as a fuel cell, which comprises a negative electrode, a positive electrode and a proton conductive film sandwiched therebetween. The present invention provides a method of producing the hydrogen permeable layer in the reformer by forming the hydrogen permeable layer and the catalyst layer on a base layer comprising Al or the like, and removing the base layer by dissolution.

Fuel reformer and method for producing the same, electrode for use in electrochemical device, and electrochemical device

A process for production of conductive catalyst particles, a process for production of a catalyst electrode capable of gas diffusion, an apparatus for production of conductive catalyst particles, and a vibrating apparatus. The process can effectively and uniformly coat the particles of a conductive powder with a catalytic substance.

Process for production of conductive catalyst particles, process for production of catalyst electrode capable of gas diffusion, apparatus for production of conductive catalyst particles, and vibrating apparatus

Disclosed is a catalyst powder contained in an electrode, wherein the catalyst powder includes a catalytic substance supported on a conductive powder, the catalytic substance being comprised of at least a catalyst, the weight ratio of the catalytic substance to the catalyst powder is in the range of 55 to 75 wt %, and the areal density of the catalytic substance is in the range of 1 to 3 mg/cm. Also disclosed is a catalyst electrode including a catalyst powder and a solid polymer electrolyte, the catalyst powder including a catalytic substance supported on a conductive powder, the catalytic substance being comprised of at least a catalyst, wherein the weight ratio of the catalytic substance to the catalyst powder is in the range of 55 to 75 wt %, and the areal density of the catalytic substance in the catalyst powder is in the range of 1 to 3 mg/cm. Further disclosed is an electrochemical device including a plurality of electrodes, and an ionic conductor sandwiched between the electrodes, wherein the above-mentioned catalyst electrode constitutes at least one of the plurality of electrodes.

Catalyst powder, catalyst electrode, and electrochemical device

A gas diffusing electrode, an electrochemical device, such as fuel cell, employing same and methods of manufacturing same are provided. The gas diffusing electrode at least includes layers made of at least electro-conductive carbon powder or granule and sputtered platinum layers made of platinum laid alternately to form a multilayer structure. The electrochemical device can be down-sized while maintaining a relatively high power generating capacity.

Gas diffusing electrode body, method of manufacturing the same and electrochemical device

A gas diffusive electrode, an electrochemical device employing same, and methods of manufacturing and using same are provided. The gas diffusive electrode includes platinum powder and carbon powder or grain, to which carbon powder or grain whose particles are provided with a water-repellent film is further mixed. The gas diffusive electrode maintains an enhanced gas permeability.

Growing community of inventors

Kanagawa, Japan

Kenji Katori