Matsushita Electric Industrial Co., Ltd.

Osaka Gas Company Limited

National Institute of Advanced Industrial Science and Technology

Osamu Yamazaki

Mitsuaki Echigo

Hisao Ohnishi

Kiyotaka Wasa

Kazuyuki Minami

Kyohei Manabe

Takeshi Tabata

Yuji Tsuda

Tsuneo Mitsuyu

Kazumi Ishimoto

Hirokazu Sasaki

Kentaro Setsune

Shusuke Ono

Kenzo Ohji

Hideaki Adachi

Hidetaka Higashino

Toshiaki Yamauchi

Shigeru Hayakawa

Koichi Nagai

Masahiro Taniguchi

Toshinori Mimura

Yoshio Maruyama

Shinji Kadoriku

Osamu Hikita

Yoshinori Wada

Kimihito Kuwabara

Kazuhiro Uji

Osamu Matsushima

Tatsuaki Kitagawa

Seizo Nemoto

Daisuke Nagano

Kazuo Tazuke

Kenichi Sato

Makoto Kitabatake

Teruhiro Shiono

Jun Akedo

Takashi Hirao

Takeshi Kamada

Junji Ikeda

Toshio Suzuki

Youichi Nakamura

Yoshifumi Kitayama

Sukeichi Miki

Yasuhiro Okada

Tsuneo Takezaki

Koichi Kanematsu

Kumiko Hirochi

Junichi Inohara

A metal support for an electrochemical element has a plate shape as a whole, and is provided with a plurality of penetration spacesthat pass through the metal support from a front faceto a back face. The front faceis a face to be provided with an electrode layer. A region of the front faceprovided with the penetration spaces is a hole region, and openings of the penetration spaces formed in the front face are front-side openings. An aperture ratio that is a ratio of the front-side openings to the hole region is 0.1% or more and 7.0% or less.

Metal support for electrochemical element, electrochemical element, electrochemical module, electrochemical device, energy system, solid oxide fuel cell, solid oxide electrolytic cell, and method for manufacturing metal support

An electrochemical element (Q) has a metal substrate () and multiple electrochemical reaction portions. The metal substrate () has gas flow allowing regions that allow the flowing of a gas between the upper side () and the lower side () of the metal substrate (). The electrochemical reaction portions each have at least an electrode layer (A), an electrolyte layer (B), and a counter electrode layer (C), and are arranged on the upper side () of the metal substrate (). The electrolyte layer (B) is arranged between the electrode layer (A) and the counter electrode layer (C), and the gas flowing through the gas flow allowing regions is supplied to the electrode layer (A).

Electrochemical element, electrochemical module, electrochemical device, and energy system

Provided is a low-cost electrochemical element that includes a high-performance electrode layer. The electrochemical element includes an electrode layer, and the electrode layer contains small particles and large particles. The small particles have a particle diameter of 200 nm or less in the electrode layer, and the large particles have a particle diameter of 500 nm or more in the electrode layer.

Electrochemical element, electrochemical module, solid oxide fuel cell and manufacturing method

A metal support for an electrochemical element has a plate shape as a whole, and is provided with a plurality of penetration spaces that pass through the metal support from a front face to a back face. The front face is a face to be provided with an electrode layer. Each of front-side openings that are openings of the penetration spaces formed in the front face has an area of 3.0&#xd7;10mmor more and 3.0&#xd7;10mmor less.

Realized is an element having an electrolyte layer that is dense and has high gas barrier characteristics. A metal-supported electrochemical element includes at least a metal substrate as a support, an electrode layer formed on/over the metal substrate, a buffer layer formed on the electrode layer, and an electrolyte layer formed on the buffer layer. The electrode layer is porous and the electrolyte layer is dense. The buffer layer has density higher than density of the electrode layer and lower than density of the electrolyte layer.

Metal-supported electrochemical element, solid oxide fuel cell and method of manufacturing such metal-supported electrochemical element

Realized are a high-performance electrochemical element and solid oxide fuel cell in which the contact properties between a dense and highly-gastight electrolyte layer and an electrode layer are improved while the treatment temperature during formation of the electrolyte layer is suppressed to a low temperature, and methods for producing the same. An electrochemical element includes an electrode layer, and an electrolyte layerarranged on the electrode layer, wherein the electrode layerhas a plurality of pores that are open on a face thereof in contact with the electrolyte layer, and the pores are filled with fine particles made of the same components as the electrolyte layer

Electrochemical element, solid oxide fuel cell, and methods for producing the same

Realized are an electrochemical element and a solid oxide fuel cell that have a dense electrolyte layer and that have excellent durability and robustness, and methods for producing the same. An electrochemical element includes: a metal substratehaving a plurality of through holes; an electrode layerprovided over a front face of the metal substrate; and an electrolyte layerprovided over the electrode layer, wherein the through holesare provided passing through the front face and a back face of the metal substrate, the electrode layeris provided in a region larger than a region, of the metal substrate, in which the through holesare provided, and the electrolyte layerhas a first portioncoating the electrode layer, and a second portionthat is in contact with the front face of the metal substrate

In operating the carbon monoxide removal reactor or the fuel reforming system, there is provided a technique for removing carbon monoxide in a stable manner for an extended period of time. In a method of removing carbon monoxide including an introducing step of introducing a reactant gas including mixture gas and an oxidizer added thereto to a carbon monoxide removal reactor forming in its casing a catalyst layer comprising a carbon monoxide removal catalyst for removing carbon monoxide contained in the mixture gas and an removing step of removing the carbon monoxide by causing the oxidizer to react with the mixture gas on the carbon monoxide removal catalyst, in said introducing step, the reactant gas of 100&#xb0; C. or lower is introduced to the carbon monoxide removal reactor.

Carbon monoxide removal method, operating method for fuel reforming system, carbon monoxide remover, fuel reforming system having the carbon monoxide remover, and filter

In operating the carbon monoxide removal reactor or the fuel reforming system, there is provided a technique for removing carbon monoxide in a stable manner for an extended period of time. In a method of removing carbon monoxide including an introducing step of introducing a reactant gas including mixture gas and an oxidizer added thereto to a carbon monoxide removal reactor forming in its casing a catalyst layer comprising a carbon monoxide removal catalyst for removing carbon monoxide contained in the mixture gas and a removing step of removing the carbon monoxide by causing the oxidizer to react with the mixture gas on the carbon monoxide removal catalyst, in said introducing step, the reactant gas of 100&#xb0; C. or lower is introduced to the carbon monoxide removal reactor.

Carbon monoxide removal method, operating method for fuel reforming system, carbon monoxide remover, fuel removal system having the carbon monoxide remover, and filter

Carbon monoxide removal method, operating method for fuel reforming system, carbon monoxide remover , fuel removal system having the carbon monoxide remover, and filter

A carbon monoxide removing catalyst such as a ruthenium supporting catalyst is provided for removing, through oxidation thereof, carbon monoxide from an alcohol reformed gas containing hydrogen and carbon monoxide to be supplied to a fuel cell. For its activation, the catalyst is caused to contact an inactive gas or a hydrogen-containing inactive gas consisting of less than 50 volume % of hydrogen gas and the remaining volume of inactive gas, thereby to avoid poisoning of the electrode of the fuel cell with carbon monoxide.

Method of removing carbon monoxide and operating a fuel cell system

Carbon monoxide removing catalyst

Method of removing carbon monoxide

Growing community of inventors

Osaka, Japan

Osamu Yamazaki