Abstract: According to one embodiment, a sensor includes a base, a first support portion fixed to the substrate, and a first member supported by the first support portion. A gap is provided between the base and the first member. The first beam electrode and the second beam electrode satisfy at least one of a first condition, a second condition, a third condition, a fourth condition, a fifth condition, a sixth condition, a seventh condition, or an eighth condition.

Abstract: According to one embodiment, a sensor includes a base body, a support portion fixed to the base body, and a first member supported by the support portion. A gap is provided between the base body and a part of the first member. The first member includes a supported region, a first movable region, a first structure, a first support structure, a first connection structure, a first connect portion, and a first beam. The support portion is located between the base body and the supported region in a first direction from the base body to the support portion. The first beam extends along a second direction crossing the first direction. A first beam position of the first beam is located between a first movable region position of the first movable region and a support portion position of the support portion in the second direction.

Abstract: An unevenness correction data generation device suppressing the appearance of color unevenness when turning on R, G and B together includes a pattern generation unit causing red, green and blue images, in which display panel subpixels are turned on at the same gray level, to be displayed, a monochrome camera, a control unit generating first red, green and blue luminance correction data based on shooting data of the monochrome camera, a pattern generation unit causing the display panel to display a white image by causing red, green and blue images corrected with the respective luminance correction data to be displayed simultaneously, a color camera shooting the white image in color, and a control unit generating color correction data for correcting color unevenness based on shooting data of the color camera and generates unevenness correction data based on the red, green and blue luminance correction data and the color correction data.

Abstract: A water electrolyzer includes an electrochemical cell including an anode and a cathode, an electrolyte solution, a heater, a voltage applicator, and a controller. The heater heats the electrolyte solution. The voltage applicator applies a voltage between the anode and the cathode. The electrochemical cell includes nickel. In startup of the water electrolyzer, the controller causes the heater to increase the temperature of the electrolyte solution by heating and causes the voltage applicator to start application of a voltage when the temperature of the electrolyte solution is less than a predetermined threshold value.

Abstract: A water electrolysis cell includes an anode, a cathode, and an anion-exchange membrane disposed between the anode and the cathode. The anode includes a catalyst layer disposed on the anion-exchange membrane and an anode gas diffusion layer disposed on the catalyst layer. The anode gas diffusion layer includes metal fiber. In the metal fiber, a section constituting a surface of the metal fiber is composed of nickel.

Abstract: A water electrolyzer includes an electrochemical cell including an anode and a cathode, an electrolyte solution, a voltage applicator, and a controller. The voltage applicator applies a voltage between the anode and the cathode. The electrochemical cell includes nickel. In the shutdown of the water electrolyzer, the controller causes the voltage applicator to apply the voltage at least when the temperature of the electrolyte solution is equal to or more than a predetermined threshold value.

Abstract: The electrode catalyst ink for a water electrolysis cell includes a catalyst including a layered double hydroxide, an organic polymer, and a solvent. The Hansen solubility parameter distance Ra1 between the solvent and the catalyst is 15.0 MPa½ or more and less than 20.5 MPa½. The Hansen solubility parameter distance Ra2 between the solvent and the organic polymer is 10.0 MPa½ or more and 14.0 MPa½ or less.

Abstract: The electrode catalyst ink includes a catalyst including a layered double hydroxide, an organic polymer, and a solvent. The solvent includes a first solvent, a second solvent, and a third solvent. The third solvent has a boiling point higher than a boiling point of the first solvent and higher than a boiling point of the second solvent. The Hansen solubility parameter distance Ra1 [MPa1/2] between the third solvent and the catalyst and the Hansen solubility parameter distance Ra2 [MPa1/2] between the third solvent and the organic polymer satisfy a relationship of 2.08Ra1?16.0?Ra2?2.08Ra1?13.5.

Abstract: An electrode catalyst for a water electrolysis cell includes a catalyst, and a polymer of intrinsic microporosity having a Tröger's base skeleton containing a quaternary ammonium group. A water electrolysis cell includes an anode, a cathode, and an electrolyte membrane. The electrolyte membrane is disposed between the anode and the cathode. At least one selected from the group consisting of the anode and the cathode includes the electrode catalyst.

Abstract: An electrode catalyst for a water electrolysis cell includes a catalyst and a polymer of intrinsic microporosity, and the polymer of intrinsic microporosity is neutral.

Abstract: An electrode catalyst for a water electrolysis cell includes a catalyst, a support, and an organic compound. The catalyst is a layered double hydroxide that contains a chelating agent. The support contains a transition metal. The organic compound has an anionic functional group.

Abstract: A catalyst includes a layered double hydroxide and a metal particle. The layered double hydroxide includes ions of at least two transition metals. The metal particle includes at least one transition metal. The metal particle has a surface coated with the layered double hydroxide.

Abstract: An electrode material of the present disclosure is an electrode material that includes a compound represented by the chemical formula BaZr1-x-yMxCoyO3-?. M is In or Yb, and the chemical formula satisfies 0<x<1, 0<y<1, 0<(x+y)<1, and 0<?<1. A membrane electrode assembly of the present disclosure includes a first electrode including the electrode material, and an electrolyte membrane provided on a first main surface of the first electrode.

Abstract: A membrane electrode assembly according to the present disclosure includes an electrolyte membrane containing a proton conductive oxide and an electrode containing a lanthanum strontium cobalt iron composite oxide located on the electrolyte membrane, wherein, in the electrode, the ratio of the number of moles of cobalt to the sum of the number of moles of cobalt and the number of moles of iron is 0.35 or more and 0.6 or less.

Abstract: A layered double hydroxide of the present disclosure includes two or more transition metals and a chelating agent. The layered double hydroxide has an average particle diameter of 10 nm or less.

Abstract: A membrane electrode assembly of the present disclosure includes: an electrode including a composite material containing a metal and a proton-conducting first electrolyte; and an electrolyte layer including a proton-conducting second electrolyte, where the electrode and the electrolyte layer are stacked, and a volume ratio of the metal in the electrode is 57% or more.

Abstract: A semiconductor electrode according to the present disclosure includes a conductive substrate; a semiconductor layer which is provided on the conductive substrate, and absorbs visible light; and a protection layer with which the semiconductor layer is coated, in which the protection layer is formed of an oxynitride, the visible light travels through the protection layer, and the protection layer has a thinner thickness than the semiconductor layer.

Abstract: The method for manufacturing a photosemiconductor according to the present disclosure includes treating a metal base material containing at least one kind of transition metal with a plasma under a pressure lower than atmospheric pressure and at a temperature lower than a volatilization temperature of the transition metal under an atmosphere at the pressure to provide the photosemiconductor containing the transition metal and a nitrogen element from at least a part of the metal base material. Here, the plasma is generated by applying a high-frequency voltage at a frequency in a range of not less than 30 MHz and not more than 300 MHz to a gas between a first electrode and a second electrode, and the gas is any one of: (i) a nitrogen gas; (ii) a gaseous mixture consisting of a nitrogen gas and an oxygen gas; (iii) a gaseous mixture consisting of a nitrogen gas and a rare gas; and (iv) a gaseous mixture consisting of a nitrogen gas, an oxygen gas, and a rare gas.

Abstract: A semiconductor electrode according to the present disclosure includes a conductive substrate; a semiconductor layer which is provided on the conductive substrate, and absorbs visible light; and a protection layer with which the semiconductor layer is coated, in which the protection layer is formed of an oxynitride, the visible light travels through the protection layer, and the protection layer has a thinner thickness than the semiconductor layer.

Abstract: A method for manufacturing a photosemiconductor according to the present disclosure includes: forming an oxide on a base material, the oxide containing at least one kind of transition metal; and preparing a photosemiconductor containing the transition metal and a nitrogen element from the oxide by subjecting the oxide to a treatment with a plasma of a nitrogen-containing gas which is generated at a frequency in a VHF range under a pressure lower than atmospheric pressure.