Panasonic Corporation

Matsushita Electric Industrial Co., Ltd.

Yuu Inatomi

Nobuhiko Hojo

Yukihiro Okada

Mikinari Shimada

Norihisa Mino

Taisuke Yamamoto

Takashi Akiyama

Kohji Yuasa

Masaaki Kuranuki

Aoi Tanaka

The fuel cell system of the present invention has: a fuel cell including an electromotive unit comprising a fuel electrode, an oxidant electrode, and an electrolyte sandwiched by these electrodes; a fuel supply unit for supplying a fuel to the fuel electrode; and an oxidant supply unit for supplying an oxidant to the oxidant electrode. A product reduction mechanism unit is provided to reduce a fuel oxidation product produced at the fuel electrode when power is generated by the fuel cell. Based on this, decline in energy density due to the fuel and the fuel oxidation product and by-product can be prevented, without having a mechanism to discharge the fuel and the fuel oxidation product and by-product to the outside of the fuel cell.

Fuel cell system

An electrochemical device of the present invention comprises a positive electrode, a negative electrode and an electrolyte, wherein at least one of the positive electrode and the negative electrode includes a compound having a structure represented by the general formula (1):  It is thereby possible to obtain a lightweight and high energy-density electrochemical device having an excellent cycle characteristic.

Electrochemical device and electrode active material for electrochemical device

A power system including an electrochemical device, a load device, a power generator, and a charge/discharge controller of the electrochemical device. The electrochemical device includes a positive electrode, a negative electrode, and a liquid electrolyte or a solid electrolyte. The charge/discharge curve of the electrochemical device has at least one step, and a given step of the at least one step has an inflection point. A voltage corresponding to the inflection point or a point adjacent to the inflection point is set as a threshold value, and the charge/discharge controller is configured to control charge/discharge of the electrochemical device such that the voltage of the electrochemical device approaches the threshold value.

Power system and management method thereof

The electrolyte membrane of the present invention is an electrolyte membrane () having ionic conductivity that includes a base material () and organic molecules having ion exchange groups, wherein the organic molecules are chemically bonded to the surface of the base material () to form an organic layer (), and ions are conducted via the ion exchange groups in the organic layer (). By providing this type of electrolyte membrane, it is possible to obtain an electrolyte membrane having ionic conductivity whose configuration is different to that of a conventional electrolyte membrane.

Electrolyte membrane, membrane electrode assembly using this and fuel cell

An electrochemical device for providing an electric energy by converting an electron transfer involved in an oxidation-reduction reaction into an electric energy comprising a positive electrode, a negative electrode and an electrolyte, wherein at least one of the positive and negative electrodes comprises a compound having a structure represented by the general formula (1): 

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Moriguchi, Japan

Yuu Inatomi