Panasonic Intellectual Property Management Co., Ltd.

Panasonic Corporation

Kazuhito Hato

Takaiki Nomura

Takahiro Suzuki

Satoru Tamura

Kenichi Tokuhiro

Nobuhiro Miyata

Takahiro Kurabuchi

Noboru Taniguchi

Ryosuke Kikuchi

Tomohiro Kuroha

Yoshihiro Kozawa

Kunihiro Ukai

Toru Nakamura

Fumiyasu Oba

Yu Kumagai

Hideki Hata

Motomasa Yonezumi

Atsuo Okaichi

Tatsuo Fujita

Yasufumi Takahashi

Kenichiro Ota

Koki Ueno

Akimitsu Ishihara

Yasushi Kaneko

Takashi Kouzaki

Ryousuke Kikuchi

Shuzo Tokumitsu

Yasuyuki Nukina

A hydrogen supply apparatus includes: an air path having an inlet and an outlet; a fan that is disposed in the air path and produces a flow of air from the inlet to the outlet; a first pipe having an end that forms a first supply port through which to supply hydrogen gas to the air path; a flow control device that is attached to the first pipe and adjusts a flow rate of the hydrogen gas; and a hydrogen gas sensor, disposed downstream of the fan or the end in a direction of flow of the air that detects a concentration of the hydrogen gas in the air path, where the end is disposed between the fan and the outlet or between the fan and the inlet in the air path.

Hydrogen supply apparatus and hydrogen supply system

A hydrogen-containing gas supply system includes one or more hydrogen-containing gas suppliers, one or more acquirers, and a controller. The one or more hydrogen-containing gas suppliers supply a hydrogen-containing gas to one or more areas in a building. The one or more acquirers acquire information indicating that a person is present in the one or more areas. When it is determined that a person is present in a certain area of the one or more areas in accordance with the information acquired by the acquirers, the controller causes at least one of the one or more hydrogen-containing gas suppliers to supply the hydrogen-containing gas to the certain area.

Hydrogen-containing gas supply system and hydrogen house

The present disclosure is to provide a multi-junction light energy conversion element including a material having a band gap suitable for a light energy conversion layer located upstream in an incidence direction of light. The present disclosure provides a light energy conversion element, comprising a first light energy conversion layer containing SrZnNand a second light energy conversion layer containing an light energy conversion material. The light energy conversion material has a narrower band gap than the SrZnN.

Multi-junction light energy conversion element, device comprising the same, and fabrication method of SnZn2N2

The present disclosure provides a light energy conversion element in which a material having a bandgap suitable for a light energy conversion layer is used. The light energy conversion element according to the present disclosure comprises a light energy conversion layer containing BaBiShaving a hexagonal crystal structure.

Light energy conversion element and device comprising the same

The present invention provides a porous coordination polymer having high ability of storing a gas. The porous coordination polymer according to the present invention comprises zinc cluster ions and one kind of tricarboxylic acid ions selected from the group consisting of the following chemical formula (I), the following chemical formula (II), and the following chemical formula (III); 

Porous coordination polymer and gas storage using the same

The present invention provides a porous coordination polymer, wherein the porous coordination polymer is formed of unit lattices; each of the unit lattices has a shape of a cube having eight vertexes and twelve sides; each of the vertexes of the unit lattices consists of a ZnO cluster; each of the sides of the unit lattices consists of aOOC&#x2014;C&#x2261;C&#x2014;COOgroup. At least a part of the unit lattices contains at least one hydrogen molecule only, or the inside of at least a part of the unit lattices is empty. The present invention provides a novel porous coordination polymer, especially, a porous coordination polymer suitable for separating hydrogen molecules from a gaseous mixture of the hydrogen molecules and impurity molecules (e.g., nitrogen molecules, oxygen molecules, or carbon dioxide molecules).

Porous coordination polymer and hydrogen molecule storage method, hydrogen storage device, hydrogen molecule separation method and hydrogen purifier using the same

Provided is a method for generating hydrogen. The method comprising (a) preparing a hydrogen generation device comprising a container, a photo-semiconductor electrode comprising a substrate, a light-blocking first conductive layer, and a first semiconductor photocatalyst layer, a counter electrode, a conductive wire for electrically connecting the first conductive layer to the counter electrode, and a liquid stored in the container, and (b) irradiating the first semiconductor photocatalyst layer with light to generate hydrogen on the counter electrode. The first conductive layer is interposed between the substrate and the first semiconductor photocatalyst layer. At least a part of the first semiconductor photocatalyst layer is in contact with the liquid. At least a part of the counter electrode is in contact with the liquid. The liquid is selected from the group consisting of an electrolyte aqueous solution and water. The substrate is formed of a resin.

Method for generating hydrogen and hydrogen generation device used therefor

The present invention provides a method for generating hydrogen by water splitting at a higher hydrogen generation efficiency. In the present method, used is a photoelectrochemical cell comprising a container, a liquid stored in the container, a semiconductor electrode contained in the container, and a counter electrode contained in the container. The semiconductor electrode comprises a first semiconductor layer, a light-transmissive conductor layer; and a second semiconductor layer.

Method for generating hydrogen by water splitting, and photoelectrochemical cell and semiconductor electrode used therefor

In a hydrogen producing device, an electrolyte flow path between a plurality of hydrogen producing cells is disposed in a hydrogen production side and in an oxygen production side, separately. Further, an electrolyte flow path is formed through which the electrolyte flows downward from the top between the plurality of hydrogen producing cells, and on the other hand the electrolyte flows upward from the bottom within each hydrogen producing cell. Moreover, a contact point with a produced gas or an atmosphere is provided in a pathway of the electrolyte flow path.

Hydrogen producing device and hydrogen producing unit and energy system including the hydrogen producing device and the hydrogen producing unit

Provided is a semiconductor photoelectrode comprising a first conductive layer; a first n-type semiconductor layer disposed on the first conductive layer; and a second conductive layer covering the first n-type semiconductor layer. The first n-type semiconductor layer has a first n-type surface region and a second n-type surface region. The first n-type surface region is in contact with the first conductive layer. The second n-type surface region is in contact with the second conductive layer. The first n-type semiconductor layer is formed of at least one selected from the group consisting of a nitride semiconductor and an oxynitride semiconductor. The second conductive layer is light-transmissive. The second conductive layer is formed of a p-type oxide conductor.

Semiconductor photoelectrode, photoelectrochemical cell, hydrogen generation method, and energy system

A semiconductor material of the present invention is a semiconductor material including an oxynitride containing at least one element selected from the Group 4 elements and Group 5 elements. In the oxynitride, part of at least one selected from oxygen and nitrogen is substituted with carbon. Nb is preferable as the Group 5 element.

Semiconductor material, optical hydrogen generating device using same, and method of producing hydrogen

A hydrogen producing cell of the present invention is provided with an electrolyte supply hole, an electrolyte discharge hole, a first hydrogen circulation hole and a second hydrogen circulation hole respectively penetrating a housing. In disposing the hydrogen producing cell, the electrolyte supply hole is arranged on a vertically upper side than the electrolyte discharge hole, the first hydrogen circulation hole is arranged on a vertically upper side than the electrolyte supply hole, and the second hydrogen circulation hole is arranged on a vertically upper side than the electrolyte discharge hole. By this configuration, it is possible to considerably reduce the length of a pipe and the number of manifolds concerning the electrolyte and hydrogen, and to link the hydrogen producing cells with one another simply and rationally.

Hydrogen producing cell, hydrogen producing device, and energy system including the hydrogen producing device

The NbON film of the present invention is a NbON film in which a photocurrent is generated by light irradiation. The NbON film of the present invention is desirably a single-phase film. The hydrogen generation device () of the present invention includes: an optical semiconductor electrode () including a conductor () and the NbON film () of the present invention disposed on the conductor (); a counter electrode () connected electrically to the conductor (); a water-containing electrolyte () disposed in contact with a surface of the NbON film () and a surface of the counter electrode (); and a container () containing the optical semiconductor electrode (), the counter electrode (), and the electrolyte (). In this device, hydrogen is generated by irradiating the NbON film () with light.

Method for producing NbON film

The present invention provides a method for adsorbing carbon dioxide onto porous metal-organic framework materials, a method for cooling porous metal-organic framework materials, a method for obtaining aldehyde using porous metal-organic framework materials and a method for warming porous metal-organic framework materials. In each method, porous metal-organic framework materials are used while an electric field or an electromagnetic field is applied to the porous metal-organic framework materials, or while a magnetic field or an electromagnetic field is applied to the porous metal-organic framework materials. If an electric field is applied, at least one organic compound included in the porous metal-organic framework materials is a polar compound. Instead, if a magnetic field is applied, at least one metal included in the porous metal-organic framework materials has an unpaired electron.

Method for adsorbing carbon dioxide onto porous metal-organic framework materials, method for cooling porous metal-organic framework materials, method for obtaining aldehyde using porous metal-organic framework materials, and method for warming porous metal-organic framework materials

A photoelectrochemical cell () includes: a semiconductor electrode () including a conductor () and semiconductor layers () disposed on the conductor (); a counter electrode () connected electrically to the conductor (); an electrolyte () in contact with surfaces of the semiconductor layer () and the counter electrode (); and a container () accommodating the semiconductor electrode (), the counter electrode () and the electrolyte (). A band edge level Eof a conduction band, a band edge level Eof a valence band, and a Fermi level Ein a surface near-field region of the semiconductor layer, and a band edge level Eof a conduction band, a band edge level Eof a valence band, and a Fermi level Ein a junction plane near-field region of the semiconductor layer with the conductor satisfy, relative to a vacuum level, E&#x2212;E&#x3e;E&#x2212;E, E&#x2212;E&#x3c;E&#x2212;E, E&#x3e;&#x2212;4.44 eV, and E&#x3c;&#x2212;5.67 eV. The Fermi level Ein the surface near-field region of the semiconductor layer and the Fermi level Ein the junction plane near-field region of the semiconductor layer with the conductor satisfy, relative to the vacuum level, &#x2212;5.67 eV&#x3c;E&#x3c;&#x2212;4.44 eV and &#x2212;5.67 eV&#x3c;E&#x3c;&#x2212;4.44 eV, respectively.

Growing community of inventors

Osaka, Japan

Kazuhito Hato