Abstract: cubic boron nitride sintered material including 90.0% by mass or more and 99.5% by mass or less of cubic boron nitride and 0.5% by mass or more and 10.0% by mass or less of silicon, wherein the cubic boron nitride sintered material has a total content of the cubic boron nitride and the silicon of 94.0% by mass or more and 100% by mass or less.

Abstract: Provided is a laminate including a base material layer, an adhesive layer having a thickness in a range of 0.1 ?m to 1.0 ?m, and a non-oriented sealant layer having a thickness in a range of 10 ?m to 40 ?m and made of a cyclic polyolefin resin, wherein one main surface of the sealant layer constitutes an outermost surface of the laminate, the other main surface of the sealant layer is bonded to the base material layer via the adhesive layer, and an adhesion strength between the base material layer and the sealant layer is 0.8 N/15 mm or more.

Abstract: An electrochemical reaction unit including a unit cell including an electrolyte layer, and a cathode and an anode that face each other in a first direction with the electrolyte layer intervening therebetween; and a felt member containing a ceramic material or a metal and a silica component. The felt member includes both a first crystal structure and a second crystal structure, which is an SiO2 crystal structure. Also disclosed is an electrochemical reaction cell stack including a plurality of electrochemical reaction units disposed in the first direction, at least one of the electrochemical reaction units being the above-described unit. Yet further disclosed is a method for producing the electrochemical reaction unit.

Abstract: An electrochemical reaction unit including a unit cell including an electrolyte layer, and a cathode and an anode that face each other in a first direction with the electrolyte layer intervening therebetween; and a felt member containing a ceramic material or a metal and a silica component. The felt member has an Si content of 0.9 mass % to 13.2 mass %. Also disclosed is an electrochemical reaction cell stack including a plurality of electrochemical reaction units, at least one of the units being the above-described electrochemical reaction unit.

Abstract: A mica-made member having a crystal structure exhibiting an intensity peak of KMg3(Si3Al)O10(OH)2 and an intensity peak of Mg2SiO4 in X-ray diffractometry (XRD). Also disclosed is an electrochemical reaction unit including a structural member formed of the mica-made member and an electrochemical reaction cell stack.

Abstract: An electrochemical reaction unit including a unit cell including an electrolyte layer, and a cathode and an anode that face each other in a first direction with the electrolyte layer intervening therebetween; and a felt member containing a ceramic material or a metal and a silica component. The felt member includes both a first crystal structure and a second crystal structure, which is an SiO2 crystal structure. Also disclosed is an electrochemical reaction cell stack including a plurality of electrochemical reaction units disposed in the first direction, at least one of the electrochemical reaction units being the above-described unit. Yet further disclosed is a method for producing the electrochemical reaction unit.

Abstract: Provided is a laminate including a base material layer, an adhesive layer having a thickness in a range of 0.1 ?m to 1.0 ?m, and a non-oriented sealant layer having a thickness in a range of 10 ?m to 40 ?m and made of a cyclic polyolefin resin, wherein one main surface of the sealant layer constitutes an outermost surface of the laminate, the other main surface of the sealant layer is bonded to the base material layer via the adhesive layer, and an adhesion strength between the base material layer and the sealant layer is 0.8 N/15 mm or more.

Abstract: An electrochemical reaction unit including a unit cell including an electrolyte layer, and a cathode and an anode that face each other in a first direction with the electrolyte layer intervening therebetween; and a felt member containing a ceramic material or a metal and a silica component. The felt member has an Si content of 0.9 mass % to 13.2 mass %. Also disclosed is an electrochemical reaction cell stack including a plurality of electrochemical reaction units, at least one of the units being the above-described electrochemical reaction unit.

Abstract: Provided is a laminate including a base material layer and a sealant layer. The sealant layer includes a first layer containing a cyclic olefin resin and a second layer interposed between the base material layer and the first layer and containing a low density polyethylene resin. A ratio of a thickness of the first layer to a thickness of the second layer is in a range of 1:2 to 5:1. The low density polyethylene resin has a melt flow rate (MFR) at 190° C. and a load of 21.168N of 3.6 g/10 min to 13.0 g/10 min. The low density polyethylene resin has a density in a range of 0.915 g/cm3 to 0.925 g/cm3. Each of the first and second layers has a thickness of 5 ?m or more, and the second layer has a thickness of 25 ?m or less.

Abstract: A mica-made member having a crystal structure exhibiting an intensity peak of KMg3(Si3Al)O10(OH)2 and an intensity peak of Mg2SiO4 in X-ray diffractometry (XRD). Also disclosed is an electrochemical reaction unit including a structural member formed of the mic-made member and a n electrochemical reaction cell stack.

Abstract: A solid oxide fuel cell includes a fuel cell main body which includes a cathode layer, a solid electrolyte layer, and an anode layer and which has a power generation function; a connector disposed to face one electrode layer of the cathode layer and the anode layer; a current collector which is disposed between the one electrode layer and the connector and which is in contact with a surface of the one electrode layer and a surface of the connector, the surfaces facing each other, to thereby electrically connect the one electrode layer and the connector; and a groove provided in a portion of a surface of the one electrode layer, which surface is located on the side where the one electrode layer is in contact with the current collector, the portion of the surface being not in contact with the current collector.

Abstract: A solid oxide fuel cell includes a fuel cell main body which includes a cathode layer, a solid electrolyte layer, and an anode layer and which has a power generation function; a connector disposed to face one electrode layer of the cathode layer and the anode layer; a current collector which is disposed between the one electrode layer and the connector and which is in contact with a surface of the one electrode layer and a surface of the connector, the surfaces facing each other, to thereby electrically connect the one electrode layer and the connector; and a groove provided in a portion of a surface of the one electrode layer, which surface is located on the side where the one electrode layer is in contact with the current collector, the portion of the surface being not in contact with the current collector.

Abstract: This invention is concerned with providing a micro-wave plasma generating device of a simple structure and with good cooling effect of the insulating tube. Micro-wave plasma generating device which generates the plasma by introduction of a processing gas into the insulating tube transversing through the micro-wave waveguide in which the metal wire or the metal rod is spirally wound on and around the insulating tube. An air-blowing means is further provided at a portion of the insulating tube through which the waveguide transverses. The metal wire wound around the insulating tube may be affixed to the tube using solder.