Abstract: One embodiment provides a cryogenic regenerator material containing as the main constituent at least one compound (A) containing at least one metallic element M and at least one non-metallic element X selected from O, S, N and F. The compound (A) in the cryogenic regenerator material has a half width of a main peak of 0.2 degrees or more obtained by the powder X-ray diffraction measurement.

Abstract: Each of the plurality of battery heat radiation units includes, a battery module, at least one heat pipe thermally connected at a first end of the heat pipe to one surface of the battery module and protruding from the battery module at a second end of the heat pipe, at least one metal heat exchanger plate thermally connected to one surface of the battery module, and at least one heat radiation portion provided at the second end of the heat pipe, the air blowing portion blows air to the heat radiation portion, and one heat radiation portion in the plurality of battery heat radiation units is misaligned with other heat radiation portions in the plurality of battery heat radiation units as viewed from the air blowing portion side.

Abstract: An electrolysis device of an embodiment includes: an anode, a cathode having a nitrogen-containing carbon alloy catalyst, and an electrolysis cell having a membrane electrode assembly composed of an electrolyte present between the anode and the cathode so that voltage is applied to the anode and the cathode, wherein the electrolyte is any one of acidic, neutral, or alkali, water is produced by the electrolysis device at the cathode, when the electrolyte is acidic, and hydroxide ion is produced by the electrolysis device at the anode, when the electrolyte is neutral or alkali.

Abstract: One embodiment provides a cryogenic regenerator material containing as the main constituent at least one compound (A) containing at least one metallic element M and at least one non-metallic element X selected from O, S, N and F. The compound (A) in the cryogenic regenerator material has a half width of a main peak of 0.2 degrees or more obtained by the powder X-ray diffraction measurement.

Abstract: An image forming apparatus according to an embodiment includes, a fixing roller including a heat generation source, supplying heat to a printing object, and fixing toner on the printing object, an opposing roller opposed to the fixing roller to hold the printing object between the opposing roller and the fixing roller, a heat exchange roller containing a heat storage material capable of changing in between a liquid and a solid phase, a sensor capable of sensing a temperature of the fixing roller; and a driving unit causing the heat exchange roller to abut against the fixing roller and separating the heat exchange roller from the fixing roller, in accordance with the temperature of the fixing roller sensed by the sensor.

Abstract: According to one embodiment, a fixing device includes a cylinder-shaped rotatable fixing belt and a pressurizing rotating member which is arranged so as to face the fixing belt along an axial direction, and transports a recording medium by rotating along with the fixing belt. In addition, arranged in the fixing belt, a pressurizing member which presses the fixing belt from an inner peripheral portion toward the pressurizing rotating member side, and a support member which supports the pressurizing member, and arranged a moisture absorbing layer which absorbs moisture in air and discharges the absorbed moisture according to a temperature rise between the support member and the pressurizing member.

Abstract: A water collecting system of an embodiment has a water supplying unit with a water-permeable membrane, a first chamber and a second chamber separated from the first chamber by the permeable membrane, a vacuum unit, a water collecting unit collecting liquid water, a first switching valve, a cooling unit cooling the water collecting unit; and an air blowing unit sending first gas to the first chamber. The second chamber, the vacuum unit, the water collecting unit, and the first switching valve comprise a first loop circuit in which second gas flow. The vacuum unit decompresses the second gas flowing in the first loop circuit and reduces a pressure in the second gas in comparison with a pressure in the first gas. The cooling unit collects the liquid water by cooling the second gas passing through the water collecting unit and condensing gaseous water included in the second gas.

Abstract: Each of the plurality of battery heat radiation units includes, a battery module, at least one heat pipe thermally connected at a first end of the heat pipe to one surface of the battery module and protruding from the battery module at a second end of the heat pipe, at least one metal heat exchanger plate thermally connected to one surface of the battery module, and at least one heat radiation portion provided at the second end of the heat pipe, the air blowing portion blows air to the heat radiation portion, and one heat radiation portion in the plurality of battery heat radiation units is misaligned with other heat radiation portions in the plurality of battery heat radiation units as viewed from the air blowing portion side.

Abstract: According to one embodiment, an electrolytic apparatus includes a diaphragm of a porous membrane having a water permeability of 0.0024 to 0.6 mL/min per cm2 at a differential pressure of 20 kPa, a first electrode provided to oppose the diaphragm, and a second electrode opposing the first electrode via the diaphragm, and the difference between the hydraulic pressures applied onto both sides of the porous membrane is within ±20 kPa.

Abstract: An image forming apparatus according to an embodiment includes, a fixing roller including a heat generation source, supplying heat to a printing object, and fixing toner on the printing object, an opposing roller opposed to the fixing roller to hold the printing object between the opposing roller and the fixing roller, a heat exchange roller containing a heat storage material capable of changing in between a liquid and a solid phase, a sensor capable of sensing a temperature of the fixing roller; and a driving unit causing the heat exchange roller to abut against the fixing roller and separating the heat exchange roller from the fixing roller, in accordance with the temperature of the fixing roller sensed by the sensor.

Abstract: According to one embodiment, an electrode unit of an electrolytic device includes a first electrode including a first surface, a second surface located on an opposite side to the first surface, a plurality of first pores opened in the first surface, a plurality of second pores opened in the second surface and having an opening area greater than that of the first pores, and a plurality of the first pores communicating with a respective one of the second pores, a second electrode opposing the first surface of the first electrode, and a continuous porous membrane arranged between the first electrode and the second electrode, so as to cover the first surface of the first electrode.

Abstract: According to one embodiment, an electrode unit of an electrolytic device includes a first electrode including a first surface, a second surface located on a side opposite to the first surface, and a plurality of through-holes opening on the first surface and the second surface, a second electrode opposed to the first surface of the first electrode, and a porous membrane containing an inorganic oxide and provided on the first surface of the first electrode to cover the first surface and the through-holes.

Abstract: According to one embodiment, an electrolytic device includes an electrolytic cell including a first electrode, a second electrode opposing the first electrode and a diaphragm provided between the first electrode and the second electrode. The first electrode is formed of a plate including a first surface opposing the diaphragm, a second surface located on an opposite side to the diaphragm, and first recess portions formed in the first surface with a first pattern. The first recess portions include a bottom surface apart from the first surface and through-holes opening to the second surface of the first electrode and to a part of the bottom surface.

Abstract: According to one embodiment, a magnetic refrigeration device includes magnetic bodies, a magnetic field application unit, a thermal storage medium, and a heat transfer unit. The magnetic bodies are arrayed at an interval. The application unit applies and removes a magnetic field to and from the magnetic bodies, respectively. The medium is arranged to face at least one of the magnetic bodies. The medium has no Curie point within a range of a temperature change of the magnetic bodies and removal. The heat transfer unit selectively brings the medium into thermal contact with the magnetic bodies or thermally isolates the medium from the magnetic bodies, and transfers heat from the magnetic bodies to the medium or from the medium to the magnetic bodies in synchronism with magnetic field application and removal.

Abstract: According to one embodiment, a battery module includes, battery cells including an electrode group including an anode, a cathode, and a separator interposed between the anode and the cathode, a terminal electrically connected to the electrode group, and a packaging member which contains the electrode group and through which the terminal is extracted outside from inside a container portion, a bus bar configured to electrically connect the terminals of the battery cells, a heat storage unit containing a latent heat storage material, and an electric insulating sheet configured to thermally connect the bus bar and the heat storage unit.

Abstract: A composite material for magnetic refrigeration is provided. The composite material for magnetic refrigeration includes a magnetocaloric effect material having a magnetocaloric effect; and a heat conductive material dispersed in the magnetocaloric effect material. The heat conductive material is at least one selected from the group consisting of a carbon nanotube and a carbon nanofiber.

Abstract: According to one embodiment, a battery module comprises a secondary battery, a heat storage pack, and a nucleation mechanism. The heat storage pack comprises a heat storage material that exchanges heat with the secondary battery. The heat storage material is able to be set to a supercooled state. The heat storage pack is arranged in contact with the secondary battery. The nucleation mechanism nucleates the heat storage material in the supercooled state.

Abstract: A fuel cell apparatus includes a fuel cell generating electric power, and including a fuel electrode which includes an anode catalyst, which is disposed in one side of an electrolyte membrane, which is supplied with liquid fuel, and which discharges gas generated by a chemical reaction accelerated by the anode catalyst, and an oxidizing agent electrode which includes a cathode catalyst, which is disposed in the other side of the electrolyte membrane, and which is supplied with air, and a control unit controlling a load applied to the fuel cell. The control unit increases the load in at least one of two cases, one case being when electric power generated by the fuel cell lowers below a predetermined reference value and another case being at predetermined time intervals, and stops the increase of the load after elapsing a predetermined time period from the start of the increase of the load.

Abstract: An electrolysis device of an embodiment includes: an anode, a cathode having a nitrogen-containing carbon alloy catalyst, and an electrolysis cell having a membrane electrode assembly composed of an electrolyte present between the anode and the cathode so that voltage is applied to the anode and the cathode, wherein the electrolyte is any one of acidic, neutral, or alkali, water is produced by the electrolysis device at the cathode, when the electrolyte is acidic, and hydroxide ion is produced by the electrolysis device at the anode, when the electrolyte is neutral or alkali.

Abstract: A fuel cell apparatus includes a fuel cell generating electric power, and including a fuel electrode which includes an anode catalyst, which is disposed in one side of an electrolyte membrane, which is supplied with liquid fuel, and which discharges gas generated by a chemical reaction accelerated by the anode catalyst, and an oxidizing agent electrode which includes a cathode catalyst, which is disposed in the other side of the electrolyte membrane, and which is supplied with air, and a control unit controlling a load applied to the fuel cell. The control unit increases the load in at least one of two cases, one case being when electric power generated by the fuel cell lowers below a predetermined reference value and another case being at predetermined time intervals, and stops the increase of the load after elapsing a predetermined time period from the start of the increase of the load.