Hitachi, Ltd.

Babcock-Hitachi Kabushiki Kaisha

Hitachi Cable, Inc.

Tokai Corporation

Hiatchi, Ltd.

Tomoichi Kamo

Shinpei Matsuda

Kenji Yamaga

Toshiyuki Kobayashi

Kazutoshi Higashiyama

Tohru Koyama

Toshiya Doi

Makoto Morishima

Seizi Takeuchi

Akira Kato

Jinichi Imahashi

Hisao Yamashita

Katsuzo Aihara

Toru Koyama

Hiroshi Kawagoshi

Atsuko Soeta

Yutaka Yoshida

Takaaki Suzuki

Fumito Nakajima

Tatsuo Horiba

Toyotaka Yuasa

Masato Takeuchi

Masahiro Komachiya

Takahiro Tachi

Teruo Kumagai

Kunko Kitami

Shuichi Suzuki

Yuichi Satsu

Yasuyoshi Kato

Kishio Hidaka

Yasuhisa Aono

Katsunori Nishimura

Osamu Kubota

Mitsuo Hayashibara

Kohki Tamura

Kazuhide Tanaka

Shigeo Uno

Seiji Takeuchi

Kenichi Souma

Yoshiyuki Takamori

Hideo Okada

Chahn Lee

Toshikatsu Mori

Kazuo Iwamoto

Takesi Ozawa

Takeshi Ozawa

Akira Tanaka

Michiya Okada

Toshihide Nabatame

Yasuaki Nakamura

Kunihiro Maeda

Akira Yoshinari

Katsuya Ebara

Yukio Saito

Toshiki Kahara

Kozo Sakamoto

Yasuaki Norimatsu

Yasushi Muranaka

Akira Nomoto

Yoshihide Wadayama

Masaru Kadoshima

Akio Honji

Hideyo Kodama

Shuichi Ohara

Hiroyuki Kaku

Toshimi Matsumoto

Shigeoki Nishimura

Kazushige Kohno

Masahiro Seido

Yoshimi Yanai

Norio Yamada

Akira Okayama

Nobuhiro Hara

Masanori Yoshikawa

Kazuhisa Mori

Tsuneyuki Kanai

Mikiya Yamane

Keiji Fukushima

Yoshio Iwase

Youichi Sakuta

Kouichi Mitsugi

Kiyoshi Hiyama

Noriyuki Imada

Junichi Sato

Satoshi Kuroe

Kouki Tamura

Ryou Nishiwaki

Tetsurou Okano

Syuichi Oohara

Seizi Koike

The present invention provides a fuel cell having an anode to oxidize liquid fuel, a cathode to reduce oxygen, and a solid polymer electrolyte membrane formed between said anode and said cathode, wherein: a porous body, which faces the porous anode, having continuous micro pores which form a liquid fuel feed channel by capillary force and continuous micro pores which do not have liquid retentivity is used; and the liquid fuel is supplied by the capillary negative pressure generated at the anode.

Fuel cell

A fuel container for a fuel cell, comprises a container body, the container body having a liquid fuel chamber for the storage of liquid fuel and a discharge means accommodating chamber for accommodating means for discharging the liquid fuel, a valve disposed in the container body to discharge or shut off the liquid fuel, and a partition wall member disposed slidably in the interior of the container body, wherein the partition wall member partitions the interior of the container body into the liquid fuel chamber and the discharge means accommodating chamber, the liquid fuel chamber and the discharge means accommodating chamber are in communication with each other through the partition wall member, and at least one of sliding surfaces of the container body and the partition wall member contains a material of a low frictional coefficient.

Fuel container for fuel cell

A fuel cell endplate to be combined with a membrane/electrode assembly comprising a high-polymer electrolytic membrane and electrodes sandwiching the membrane; which comprises a resin substrate, a collector plate and a gasket; the collector plate being in contact with the surface of the resin substrate and the membrane/electrode assembly; the gasket being provided so as to surround the periphery of the collector plate; a terminal connector connected to the collector plate and being disposed at a position where it does not contact with the membrane/electrode assembly.

Fuel cell endplate comprising current collector plate and fuel cell incorporating same

This invention provides an electrode for a polymer electrolyte fuel cell which fuel cell contains: a solid polymer electrolyte membrane; electrode layers formed respectively on both faces of the electrolyte membrane; two reinforcing members which cover respective outer surfaces of the electrode layers; and a sealing member which covers, extending from respective end faces to respective end parts of the reinforcing members, whole peripheries of the two reinforcing members, wherein the electrolyte membrane, the electrode layers and the reinforcing members are integrally formed by the sealing member.

Polymer electrolyte fuel cell

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

A solid polymer electrolyte is made up of a polymer compound having a hydrocarbon aromatic group in the backbone thereof and including a side chain expressed by FORMULA 1: wherein 'n' is 1, 2, 3, 4, 5, or 6. The solid polymer electrolyte may be incorporated into a membrane and may be used in a solution for covering an electrode catalyst.

Solid polymer electrolyte, a membrane using thereof, a solution for coating electrode catalyst, a membrane/electrode assembly, and a fuel cell

A solid polymer electrolyte is made up of a polymer compound having a hydrocarbon aromatic group in the backbone thereof and including a side chain expressed by FORMULA 1:CHSOH&#x2003;&#x2003;FORMULA 1wherein 'n' is 1, 2, 3, 4, 5, or 6. The solid polymer electrolyte may be incorporated into a membrane and may be used in a solution for covering an electrode catalyst.

An object of the present invention is to provide a highly durable solid polymer electrolyte that has a deterioration resistance equal to or higher than that of the fluorine-containing solid polymer electrolytes or a deterioration resistance sufficient for practical purposes, and can be produced at a low cost. According to the present invention, there is provided a solid polymer electrolyte comprising a polyether ether sulfone that is used as an electrolyte and has sulfoalkyl groups bonded to its aromatic rings and represented by the general formula &#x2014;(CH)&#x2014;SOH.

Solid polyelectrolyte, assembly of membrane and electrodes, amd fuel cell

The object of this invention is to provide an electrode for a polymer electrolyte fuel cell, a separator therefor, a polymer electrolyte fuel cell and a generating system, which electrode is simplified in structure, have high handling property, can be transferred precisely to a predetermined position, and enables automation of a production process. This invention provides an electrode for a polymer electrolyte fuel cell which electrode contains: a solid polymer electrolyte membrane; electrode layers formed respectively on both faces of the electrolyte membrane; two reinforcing members which cover respective outer surfaces of the electrode layers; and a sealing member which covers, extending from respective end faces to respective end parts of the reinforcing members, whole peripheries of the two reinforcing members, wherein the electrolyte membrane, the electrode layers and the reinforcing members are integrally formed by the sealing member.

Electrode for polymer electrolyte fuel cell, separator therefore, and polymer electrolyte fuel cell, and generating system using them

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

An electronic device is provided with a fuel cell which is formed to introduce air from at least two surfaces of a casing of the fuel cell and to supply a fuel from an inside of the casing for high energy efficiency. The fuel cell is structured to form an air-supply space between the fuel cell and the electronic device and mounted in a manner that the surface of the fuel cell, which is on a reverse side of the surface facing the electronic device, is exposed to the ambient air. The electronic device is provided with a fuel cell structured to supply air from at least two surfaces of the casing to achieve better energy efficiency.

Electronic device using fuel cells

A catalytic material and electrode of the present invention are characterized in that the catalyst carrier constituting the above-mentioned catalytic material and electrode includes at least one member selected from the group consisting of nitrogen atoms, oxygen atoms, phosphor atoms, and sulfur atoms. Since the cohesion or growth of catalyst grains can hereby be suppressed, it is possible to provide a highly active catalyst, a high-performance electrode, and a high-output-density fuel cell which uses the same.

Covalently bonded catalyst carrier and catalytic component

Catalytic material, electrode, and fuel cell using the same

An object of the present invention is to obtain a fuel cell power generation equipment most suitable for a portable power source without requiring any auxiliary equipment such as a separator and a fluid feeder. According to the present invention, a fuel cell power generation equipment is provided, in which an anode for oxidizing fuel and a cathode for reducing oxygen are formed with an electrolyte membrane in between and liquid is used as a fuel, wherein one or more air vent holes are provided on a wall surface of a fuel container, multiple unit cells having an electrolyte membrane, an anode and a cathode are mounted on a wall surface of said fuel container, and the unit cells are electrically connected each other.

Fuel cell power generation equipment and a device using the same

Growing community of inventors

Tokai, Japan

Tomoichi Kamo