Gs Yuasa International Ltd.

Gs Yuasa Corporation

Kurita Water Industries Ltd.

Ryoichi Okuyama

Yoshihiro Yamamoto

Masashi Motoi

Katsuji Ashida

Minoru Yagi

Tokuo Inamasu

Yoshinobu Yasunaga

Tsutomu Watanabe

Yohei Shibata

Hiroshi Obuse

Shinichi Wada

[PROBLEM] In space-conservative fashion, at low cost, and with high efficiency, to carry out absorption of gas produced at the interior of a battery. [SOLUTION MEANS] Secondary batteryis provided with casein which positive electrodeand negative electrodeare sealed together with electrolyte, and with explosion prevention valvefor allowing escape of high-pressure gas present at the interior of casewhen pressure within caserises; and is further provided with gas absorberorfor absorbing high-pressure gas. Gas absorber, includes gas-absorbent materialand capsule, which comprises hot-melt material, and is provided within case, this capsuleincluding, at the interior thereof, gas-absorbent material. Furthermore, gas absorber, which may be provided outside case, may include gas-absorbent material; cartridge casewhich houses, at the interior thereof, gas-absorbent material; gas inlet valvefor causing high-pressure gas to flow thereinto; and gas outlet valvefor causing high-pressure gas to flow out therefrom.

Battery comprising gas absorbent material and battery system

The present invention aims to provide a hydrogen generating method for generating hydrogen-containing gas little contaminated with nitrogen, CO, etc., by decomposing fuel containing an organic compound at low temperature while requiring the supply of no or little electric energy from an external source, and a hydrogen generating system based on the method. A hydrogen generating system based on the method can work under multiple conditions: (a) it works under a condition where electric energy is withdrawn from the hydrogen generating cell with the fuel electrode () serving as a negative electrode and the oxidizing electrode () as a positive electrode; and (b) it works under another condition where external electric energy is provided to the hydrogen generating cell with the fuel electrode () serving as cathode and the oxidizing electrode () as anode.

Hydrogen generating method and hydrogen generating system based on the method

A hydrogen generating device for generating a gas containing hydrogen by decomposing a fuel containing an organic compound which includes a partition membrane, a fuel electrode provided on one surface of the partition membrane, a fuel supply unit supplying a fuel containing organic compound and water to the fuel electrode, an oxidizing electrode provided on the other surface of the partition membrane, an oxidizing agent supply unit supplying an oxidizing agent to the oxidizing electrode, and a gas generating and collecting unit generating and collecting the gas containing hydrogen from the fuel electrode. A low oxidizing agent supply region where supply of the oxidizing agent is substantially lower than the other region is present on an oxidizing electrode side of the hydrogen generating device.

Hydrogen generating device as well as fuel cell power generating device, electric automobile, sumbergible ship and hydrogen supply system using the same

An electric automobile includes a fuel cell for power generation by supply of hydrogen and oxidizing agent, a hydrogen generating device for generating a gas containing hydrogen to be supplied to the fuel cell, and a motor driven by electricity generated by the fuel cell. The hydrogen generating device generates gas containing hydrogen by decomposing an organic compound-containing fuel, and includes a proton conductive partition membrane, a fuel electrode provided on one surface of the partition membrane to directly generate the gas containing hydrogen, a device for supplying, to the fuel electrode, water and organic compound-containing fuel capable of producing a proton as a result of electrochemical oxidization which can pass through the partition membrane, an oxidizing electrode provided on the other surface of the partition membrane, a device for supplying the oxidizing agent to the oxidizing electrode, and a device for generating and collecting the gas containing hydrogen.

Electric automobile

A hydrogen supply system includes at least a hydrogen supply device for supplying hydrogen to a hydrogen storing device, and a hydrogen generating device producing hydrogen containing gas to be supplied to the hydrogen supply device. The hydrogen generating device produces the hydrogen containing gas by decomposing a fuel containing an organic compound, and includes a partition membrane, a fuel electrode provided on one surface of the partition membrane for generating hydrogen containing gas, a device for supplying a fuel containing the organic compound and water to the fuel electrode, an oxidizing electrode provided on the other surface of the partition membrane, a device for supplying an oxidizing agent to the oxidizing electrode, and a device for collecting the hydrogen containing gas directly from the fuel electrode.

Hydrogen supply system

A submarine boat provided with a fuel cell () for power generation by supply of hydrogen and oxidizing agent, a hydrogen generating device () for generating a gas containing hydrogen to be supplied to the fuel cell, and propelling device driven by electricity generated by the fuel cell, characterized in that the hydrogen generating device is to generate a gas containing hydrogen by decomposing a fuel containing an organic compound, comprising a partition membrane (), a fuel electrode () provided on one surface of the partition membrane, means () for supplying a fuel containing the organic compound and water to the fuel electrode, an oxidizing electrode () provided on the other surface of the partition membrane, means () for supplying an oxidizing agent to the oxidizing electrode, and means for generating and collecting the gas containing hydrogen from the fuel electrode.

Growing community of inventors

Kyoto, Japan

Ryoichi Okuyama