Fujitsu Corporation

Toshio Manabe

Noriyasu Aso

Yoshihiko Imanaka

Toshihisa Anazawa

Hideyuki Amada

Naoki Awaji

Sachio Ido

Hiroaki Yoshida

Fumio Takei

Fumiaki Kumasaka

A photoexcitable material includes: a solid solution of MN (where M is at least one of gallium, aluminum and indium) and ZnO, wherein the photoexcitable material includes 30 to 70 mol % ZnO and has a band gap energy of 2.20 eV or less.

Method for manufacturing photoexcitable material

A photochemical electrode includes: an electrically conductive layer; and a photoexcitation material layer provided over the electrically conductive layer and including a photoexcitation material, wherein the photoexcitation material layer is one of a first photoexcitation material layer in which a potential of the conduction band minimum decreases from a second surface opposite to a first surface on the side of the electrically conductive layer toward the first surface and a second photoexcitation material layer in which a potential of the valence band maximum decreases from the second surface toward the first surface.

Method for producing photochemical electrode

A photochemical electrode includes: an electrically-conductive layer; and a photo-excited material layer including a photo-excited material provided over the electrically-conductive layer, wherein in a surface of the photo-excited material layer, a lattice plane having highest atomic density in a crystal structure of the photo-excited material is oriented in a surface direction of the surface of the photo-excited material layer.

Method for generating photochemical electrode

A photoexcitation material includes: a wurtzite type solid solution crystal containing t gallium, zinc, nitrogen and oxygen, wherein a peak (A) of an existence ratio of nitrogen or oxygen which is a first adjacent atom of the gallium or zinc and a peak (B) of an existence ratio of gallium or zinc which is a second adjacent atom of the gallium or zinc satisfy a relational expression of A&#x3e;B in a relationship between a distance and the existence ratio of the adjacent atom of the gallium or zinc, the relationship being obtained from an extended X-ray absorption fine structure analysis.

Method for producing a photoexcitation material

A photoexcitation material includes: a wurtzite type solid solution crystal containing gallium, zinc, nitrogen and oxygen, wherein a peak (A) of an existence ratio of nitrogen or oxygen which is a first adjacent atom of the gallium or zinc and a peak (B) of an existence ratio of gallium or zinc which is a second adjacent atom of the gallium or zinc satisfy a relational expression of A&#x3e;B in a relationship between a distance and the existence ratio of the adjacent atom of the gallium or zinc, the relationship being obtained from an extended X-ray absorption fine structure analysis.

Photoexcitation material

An adsorbent for adsorption heat pumps, containing: activated carbon; and organic molecules each containing at least one hydrophilic functional group, where the organic molecules are provided in pores of the activated carbon.

Adsorbent for adsorption heat pumps, production method thereof, and adsorption heat pump

An adsorption heat pump includes: an evaporator configured to evaporate a refrigerant; and an adsorbent heat exchanger provided with an adsorption member configured to adsorb vapor evaporated by the evaporator, and a heat transfer tube in which a heating medium flows. Here, the adsorbent heat exchanger includes a pressing mechanism configured to press and compress the adsorption member depending on a temperature of the heating medium flowing inside the heat transfer tube.

Adsorption heat pump

An adsorption heat pump includes: an evaporator configured to generate coolant vapor; a first adsorber and a second adsorber each containing an adsorbent to adsorb the coolant vapor generated in the evaporator; a condenser configured to condense the coolant vapor generated in any of the first adsorber and the second adsorber; and a control unit. The control unit feeds the condenser with cooling water for condensation of the coolant vapor and feeds the condenser with warm water for evaporation of the coolant at predetermined timing.

Adsorption heat pump and method of driving the same

There are provided: a flow-rate adjustment unit capable of individually adjusting the flow rates of a heating medium to be supplied to a plurality of electronic devices; a temperature sensor configured to individually detect the temperatures of the heating medium released from the plurality of electronic devices; and a control unit. The control unit controls the flow-rate adjustment unit based on outputs of the temperature sensor such that the temperatures of the heating medium released from the plurality of electronic devices become equal to each other.

Method of controlling adsorption heat pump, information processing system, and control device

An adsorber includes: two or more adsorbents with different coolant vapor-pressure conditions and different coolant temperature conditions corresponding to a lower limit value for a coolant adsorption amount and an upper limit value for the coolant adsorption amount; a container that contains at least one of the adsorbents and in which a coolant is sealable; and a channel pipe that extends through the container, is thermally in contact with the two or more adsorbents, and functions as a channel.

Adsorber and adsorption heat pump

An adsorption-type heat pump includes an adsorber having an adsorbent and capable of switching between an adsorption process of causing an adsorbent to adsorb a refrigerant and a desorption process of desorbing a refrigerant from an adsorbent, a condenser, an evaporator, a first flow hole which causes a refrigerant to flow from the adsorber to the condenser, a second flow hole which causes a refrigerant to flow from the evaporator to the adsorber, and a seat valve body arranged on at least one of the first flow hole and the second flow hole, having a seat material and an opening and closing assisting plate material joined to an end part of the seat material and formed by a temperature-dependent material which deforms in accordance with temperature, and opening and closing at least one of the first flow hole and the second flow hole.

Adsorption-type heat pump using seat valve and information processing system

A heat pump including: a refrigerant accumulator in which a substance accumulating a refrigerant is disposed, the refrigerant accumulator having a heating means heating the substance in order to release the refrigerant; a flow path connected at one end thereof to the refrigerant accumulator, the flow path holding the refrigerant released from the substance in the refrigerant accumulator by capillary action; a first heat exchanger provided between the refrigerant accumulator and the flow path or around the flow path and exchanging heat with the refrigerant in order to condense the refrigerant; and a second heat exchanger provided around the flow path and exchanging cold energy generated by evaporation of the refrigerant from the other end of the flow path.

Heat pump

A ligand contains: a benzimidazole skeleton; and functional groups at the 5-position and the 6-position of the benzimidazole skeleton. The functional group is capable of forming a coordinate bond with a metal, and contains a nitrogen atom.

Ligand, metal complex compound containing the same, and method for producing the same, and method for producing molecular device

A multidentate ligand includes at least two planar tetradentate coordination sites in one plane, each of the planar tetradentate coordination sites containing four nitrogen-containing groups of at least one of imino, amido and amino groups, and has the nitrogen atoms of the four nitrogen-containing groups as coordinating atoms in one plane. A metal complex assembly has one of two-dimensional and three-dimensional structures and contains metal complex chains and electroconductive wires, the metal complex chains each contain assembled metal complexes, the electroconductive wires each contain molecules serving as at least one of an acceptor and a donor, and the metal complex chains intersect with the electroconductive wires at such positions that the metal complexes and the molecules serving as at least one of an acceptor and a donor are capable of interacting with each other.

Growing community of inventors

Atsugi, Japan

Toshio Manabe