Hitachi, Ltd.

Mitsubishi Heavy Industries Limited

Other

Renesas Technology Corp.

Hitachi Cable, Inc.

Hitachi Maxwell, Ltd.

Makoto Morishima

Tomoichi Kamo

Kenji Yamaga

Akira Nagai

Kunihiro Tsubosaki

Makoto Kitano

Masahiko Ogino

Ichiro Anjoh

Shuji Eguchi

Chuichi Miyazaki

Nobutake Tsuyuno

Hiroyoshi Kokaku

Masanori Segawa

Toshiyuki Kobayashi

Mamoru Mita

Tohru Koyama

Norio Okabe

Rie Hattori

Toshiak Ishii

Takayuki Hirashige

Makoto Sato

Shuichi Suzuki

Mikio Kishimoto

Shin Nishimura

Takefumi Okumura

Yoshiyuki Takamori

Jun Kawaji

Norikazu Ueyama

Yuko Sawaki

Kazutaka Matsuo

Akira Satou

Miyahito Hase

Yorikata Mizokami

Hidehiko Makida

Yujiro Sawasaki

Keiji Ito

Hiromasa Nishino

Hiroshi Sasaki

Katsunori Nishimura

Osamu Kubota

Masahiro Komachiya

Jinichi Imahashi

Shuichi Ohara

A cabin is formed as a casing body partitioned and separable from a vehicle body and includes an air purifier for introducing purified air into the casing body to maintain the pressure inside the cabin at a positive level by the air purifier.

Manned vehicle and cabin structure thereof

A cabinis formed as a casing body with a protection structure. The casing body is partitioned and separable from the vehicle body and has on a bottom side thereof support pillarsfor secure attachment to the vehicle bodywith restraint at least in planar coordinate directions.

Manned vehicle cabin structure and manned vehicle for special environment use

The present invention provides a method of preventing liquid fuel that has penetrated from an anode from reaching a cathode and of effectively utilizing a cathode catalyst, which provides a membrane electrode assembly for fuel cell having high output density. In a membrane electrode assembly for fuel cell including an anode formed of a catalyst and a solid polymer electrolyte, a cathode formed of a catalyst and a solid polymer electrolyte, and a solid polymer electrolyte membrane formed between the anode and the cathode, an intermediate layer is formed between the cathode and the electrolyte membrane.

Membrane electrode assembly for fuel cell

The membrane electrode assembly includes an anode including a catalyst and a solid polymer electrolyte; a cathode including a catalyst and a solid polymer electrolyte; a solid polymer electrolyte membrane interposed between the anode and the cathode; an anode gas diffusion layer; and a cathode gas diffusion layer, a set composed of the anode, the cathode and the solid polymer electrolyte membrane being interposed between the anode gas diffusion layer and the cathode gas diffusion layer, wherein the cathode gas diffusion layer contains an oxidation catalyst and a water-repellent resin.

A fuel cell includes an electrode assembly, current collectors, and electroconductive separators. The electrode assembly includes an anode, a cathode, and a polymer electrolyte membrane arranged between the anode and cathode. The current collectors are arranged adjacent to the anode and cathode, respectively. The electroconductive separates are arranged outside the current collectors and have passages for feeding gases to the anode and cathode. The polymer electrolyte membrane includes an aromatic polymer having a sulfoalkylfluorene unit in its principal chain. An ion-exchange resin is used for the solid polymer electrolyte. An electrolyte membrane uses the ion exchange resin. A membrane/electrode assembly is used for the fuel cell.

Fuel cell, polymer electrolyte and ion-exchange resin for the same

A composite electrolyte membrane uses a metal-oxide hydrate which has a number of hydration water molecules of 2.7 or more and 10 or less and/or which is in the form of particles having a particle diameter of 1 nm or more and 10 nm or less. The composite electrolyte membrane exhibits its expected original performance, has both a high proton conductivity and a low methanol permeability, and provides a high-output membrane electrolyte assembly for a fuel cell.

Composite electrolyte membrane, production method thereof, membrane-electrode assembly, and fuel cell

A membrane-electrode assembly comprising a cathode catalyst layer for reducing an oxidant gas, a polymer electrolyte membrane and an anode catalyst layer, the polymer electrolyte membrane being sandwiched between the catalyst layers, wherein the cathode catalyst layer exhibits super-water-repellency. The disclosure is also concerned with a method of manufacturing the membrane-electrode assembly and a fuel cell using the membrane-electrode assembly.

Catalyst for fuel cell, membrane-electrode assembly, method of manufacturing the assembly, and fuel cell using the assembly

The zirconium oxide hydrate particles of the present invention are represented by the formula ZrO.nHO and have a mean primary particle size of 0.5 nm or more and 5 nm or less, and 'n' in the formula represents a number greater than 2.5. Moreover, the method for producing of zirconium oxide hydrate particles of the present invention includes the step of preparing zirconium oxide hydrate particles by adding an aqueous zirconium salt solution to an aqueous alkaline solution while controlling the pH to 7.0 or more and 13.0 or less, and the step of subjecting the zirconium oxide hydrate particles to a hydrothermal treatment in the presence of water at a temperature of 50&#xb0; C. or more and less than 110&#xb0; C. for 3 hours or more.

Zirconium oxide hydrate particles and method for producing the same

The fuel cell assembly disclosed includes at least one unit fuel cell comprising a separator having flow channels for oxidizing gas, a cathode to which the oxidizing gas is fed, a membrane electrolyte of proton conductivity, an anode to which fuel gas is fed, and a separator having flow channels for the fuel gas, the above members being arranged in order. The fuel cell assembly further comprises a humidifier having a porous member to humidify at least the fuel gas to be fed to the anode. The porous member of the humidifier is so disposed as to face at least the flow channels for the oxidizing gas so that water is supplied to the flow channels from part of the surface of the porous member opposite to the water supplying face and/or from the outer periphery of the porous member.

Fuel cell with humidifier

The disclosure discloses a polymer represented by the general formula, wherein Ris a residue of a polymer of a compound having a polymerizable unsaturated bond, Q is an organic residue of n+1 valences and connected directly or through another group to Rby means of a single bond, Mis a cation of k valence, Z is an organic function group capable of forming an ionic bond with cation Mor an organic function group having a coordination capability with M, and m, n and k are integers of one or more. The disclosure also discloses an intermediate of the polymer mentioned above.

Cationic conductor, its intermediate, and lithium secondary battery using the conductor

Disclosed is a sheet-like chemical cell including a plurality of unit cells each of which comprises an electrolyte membrane, a plurality of anode plates on one surface of the electrolyte membrane, and a plurality of cathode plates on the other surface of the electrolyte membrane, with the anode and the cathode plates opposed to each other in pairs with the membrane therebetween. Slots are provided in the electrolyte membrane between adjacent anodes and adjacent cathodes, and cathode and anode wiring layers, on thermoplastic sheets, are provided to sandwich the electrolyte membrane. forming a laminate. The laminate is heat-crimped, with wiring layers on both sides of the membrane being electrically connected through the slots, and thermoplastic resin, of the thermoplastic sheets, filling the slots. Also disclosed are methods of making such cells.

Sheet-like chemical cell, fuel cell and methods for manufacturing thereof

Provided is a sheet chemical cell of a simple and easy-fabricated structure having a small number of parts that can improve the energy density strikingly, a manufacturing method thereof, a fuel cell, and a manufacturing method thereof. Also provided is a sheet chemical cell including a plurality of unit cells each of which includes an electrolyte membrane, a plurality of anode plates on one surface of the electrolyte membrane, and a plurality of cathode plates on the other surface of the electrolyte membrane, with the anode and cathode plates opposed to each other in pairs with the membrane therebetween, and slots through the electrolyte membrane so that wiring plates of respective anode and cathode plates are electrically connected through the membrane via the slots to provide cells connected in series.

The object of this invention is to provide a solid polymer electrolyte which is excellent in durability and of low cost, and membranes, solutions for electrode catalyst coating, membrane/electrode assemblies and fuel cells which use the electrolyte. According to this invention, there can be provided a fuel cell which comprises an electrode assembly having an electrode catalyst membrane formed therein, said catalyst membrane comprising a polymer electrolyte membrane held between an anode on one side of the principal plane of the electrolyte membrane and a cathode on the other side of the principal lane thereof, current collecting plates provided each independently in close contact, to the anode side and the cathode side of the electrode assembly, and electroconductive separators having gas supply passages to the anode and to the cathode provided on the outside surfaces of the current collecting plates.

Fuel cell, polyelectrolyte and ion-exchange resin use for same

A semiconductor device having a superior connection reliability is obtained by providing a buffer body for absorbing the difference of thermal expansion between the mounting substrate and the semiconductor element in a semiconductor package structure, even if an organic material is used for the mounting substrate. A film material is used as the body for buffering the thermal stress generated by the difference in thermal expansion between the mounting substrate and the semiconductor element. The film material has modulus of elasticity of at least 1 MPa in the reflow temperature range (200&#x2013;250&#xb0; C.).

Circuit tape having adhesive film semiconductor device and a method for manufacturing the same

Growing community of inventors

Hitachinaka, Japan

Makoto Morishima