Abstract: A particulate composition contains ?-alumina particles, and water-absorbing polymer particles. The content of the water-absorbing polymer particles is 2 parts by mass or more and 60 parts by mass or less with respect to 100 parts by mass of the ?-alumina particles, and the content of the ?-alumina particles in the particulate composition is 50% by mass or more.

Abstract: An object of the present invention is to provide a porous ceramic laminate that can reduce pressure loss of a fluid. The present invention is a porous ceramic laminate comprising a first porous layer and a second porous layer, wherein the second porous layer is laminated on the first porous layer, the second porous layer has a portion being laminated on, in contact with, the first porous layer and a portion being laminated over the first porous layer via air, and a coefficient of variance CV (tb) of the second porous layer thickness is not larger than 0.35.

Abstract: This particulate filter 200 has a columnar ceramic honeycomb structure 201 including first flow channels 210 and second flow channels 220. Adjacently to each of the first flow channels 210, the second flow channel 220 and the other first flow channel 210 are arranged through a partition wall portion forming each of the first flow channels 210. A sum total of areas of the inner faces of the first flow channels 210 per apparent unit volume of the ceramic honeycomb structure 201 is 1.5 to 2.5 m2/L; a number density of a total of the first flow channels 210 and the second flow channels 220 is 150 to 350 per unit square inch in a cross section perpendicular to an axis of the ceramic honeycomb structure 201; and a hydraulic diameter of each of the first flow channels 210 is 0.5 to 1.0 mm.

Abstract: This particulate filter 200 has a columnar ceramic honeycomb structure 201 including first flow channels 210 and second flow channels 220. Adjacently to each of the first flow channels 210, the second flow channel 220 and the other first flow channel 210 are arranged through a partition wall portion forming each of the first flow channels 210. A sum total of areas of the inner faces of the first flow channels 210 per apparent unit volume of the ceramic honeycomb structure 201 is 1.5 to 2.5 m2/L; a number density of a total of the first flow channels 210 and the second flow channels 220 is 150 to 350 per unit square inch in a cross section perpendicular to an axis of the ceramic honeycomb structure 201; and a hydraulic diameter of each of the first flow channels 210 is 0.5 to 1.0 mm.

Abstract: A honeycomb filter comprising a partition wall forming a plurality of flow channels, and a catalyst supported on at least a portion of the surfaces of the partition wall and/or on at least a portion of the pore interiors of the partition wall, wherein the honeycomb filter has a first end face and a second end face, the plurality of flow channels comprising a plurality of first flow channels having their ends closed on the second end face side and a plurality of second flow channels having their ends closed on the first end face side, and when the elemental composition ratio of the partition wall is represented by the following compositional formula (I): Al2(1?x)MgxTi(1+y)O5+aAl2O3+bSiO2+cNa2O+dK2O+eCaO+fSrO??(I), the inequalities 0<x<1, 0.5x<y<3x, 0.1x?a<2x, 0.05?b?0.4, 0<(c+d) and 0.5<{(c+d+e+f)/b}×100<10 are satisfied.

Abstract: The present invention provides a thermoelectric material useful for a thermoelectric converter having excellent energy conversion efficiency, and a method for producing the thermoelectric material. The thermoelectric material comprising an oxide containing Ti, M, and O and the oxide is represented by Formula (1). Ti1-xMxOy??(1) M represents at least one selected from the group consisting of V, Nb, and Ta, x is not less than 0.05 and not more than 0.5, and y is not less than 1.90 and not more than 2.02.

Abstract: The invention provides a thermoelectric conversion module and a thermoelectric conversion element. The thermoelectric conversion module comprises a plurality of thermoelectric conversion elements and a plurality of electrodes, wherein each of the thermoelectric conversion elements is made of a sintered body containing a thermoelectric conversion material and a conductive metal, has two faces, and satisfies the following condition (a) or (b): (a) each thermoelectric conversion element is electrically connected to an electrode via one face without a joint and is electrically connected to another electrode via the other face with a joint, (b) each thermoelectric conversion element is electrically connected to an electrode via one face without a joint and is electrically connected to another electrode via the other face without a joint.

Abstract: The present invention provides a flake compound which is useful for a conductive film. The flake compound comprises a conductive layer containing M and O, wherein M represents at least one metal element, preferably at least one transition metal element in mixed valent state.

Abstract: There is provided a method for manufacturing a thermoelectric conversion module that allows adhesiveness between a thermoelectric conversion element and an electrode to be further increased. It is a method for manufacturing a thermoelectric conversion module 1 that comprises a step of bonding thermoelectric conversion elements 10 to electrodes 6, 8 by electromagnetic induction heating of the thermoelectric conversion elements 10.

Abstract: A thermoelectric conversion material contains a metal oxide comprising M1, M2 and oxygen, wherein M1 is at least one selected from the group consisting of Ca, Sr and Ba and may contain an element selected from the group consisting of Li, Na, K, Mg, La, Ce, Nd, Sm, Bi and Pb, and wherein M2 comprises Cu as an essential element and may contain an element selected from the group consisting of Ti, V, Cr, Mn, Fe, Co and Ni. The mole ratio of M2 to M1 (M2/M1) is 1.2 to 2.2.

Abstract: Disclosed are a sintered body and a thermoelectric conversion material. The sintered body comprises a manganese-based oxide as a main component, and further comprises an oxide A wherein the oxide A represents one or more members selected from among nickel oxides, copper oxide and zinc oxide, and a metal M wherein the metal M represents one or more members selected from among Pd, Ag, Pt and Au.

Abstract: Disclosed are a sintered body and a thermoelectric conversion material. The sintered body comprises a manganese-based oxide as a main component, further comprises an oxide A wherein the oxide A represents one or more members selected from among nickel oxides, copper oxide and zinc oxide, and has a relative density of 80% or more and 90% or less.

Abstract: Disclosed is a production method of a sintered body. The production method of a sintered body comprises a step of sintering, at a temperature within the range of from 900° C. to 1200° C., a mixture of a manganese-based oxide and copper oxide wherein the ratio of the molar amount of copper to one mol of manganese in the mixture is in the range of from 0.001 to 0.05.

Abstract: Disclosed are a sintered body and a thermoelectric conversion material. The sintered body comprises a manganese-based oxide as a main component and the sintered body has a relative density of 90% or more and an average of the size of particles constituting the sintered body is 3 ?m or less.

Abstract: Provided are a thermoelectric conversion element, a thermoelectric conversion module using the thermoelectric conversion element, and a method for manufacturing the thermoelectric conversion module. The thermoelectric conversion element has a hexahedral shape, of which the two faces opposing each other and the other four faces have different reflectances to light. The thermoelectric conversion module comprises a plurality of p-type thermoelectric conversion elements and a plurality of n-type thermoelectric conversion elements, and a plurality of electrodes connecting the end faces of each pair of the p-type thermoelectric conversion elements and the n-type thermoelectric conversion elements electrically with each other to connect the p-type thermoelectric conversion elements and the n-type thermoelectric conversion elements electrically in series alternately.

Abstract: The present invention provides a thermoelectric material useful for a thermoelectric converter having excellent energy conversion efficiency, and a method for producing the thermoelectric material. The thermoelectric material comprising an oxide containing Ti, M, and O and the oxide is represented by Formula (1). Ti1-xMxOy??(1) M represents at least one selected from the group consisting of V, Nb, and Ta, x is not less than 0.05 and not more than 0.5, and y is not less than 1.90 and not more than 2.02.

Abstract: A thermoelectric conversion material, a method for producing the same, and a thermoelectric conversion device are provided. The thermoelectric conversion material includes an oxide represented by formula (1): M1Oy (1), where M1 is at least one selected from the group consisting of V, Nb and Ta, and 1.90?y?2.10 or an oxide represented by formula (2): M11?xM2xOy (2), where M1 and y are as in formula (1), M2 is selected from the group consisting of Ti, Cr, Mn, Fe, Co, Zr, Hf, Mo and W, and 0?x?0.5.

Abstract: A thermoelectric conversion material contains a metal oxide comprising M1, M2 and oxygen, wherein M1 is at least one selected from the group consisting of Ca, Sr and Ba and may contain an element selected from the group consisting of Li, Na, K, Mg, La, Ce, Nd, Sm, Bi and Pb, and wherein M2 comprises Cu as an essential element and may contain an element selected from the group consisting of Ti, V, Cr, Mn, Fe, Co and Ni. The mole ratio of M2 to M (M2/M1) is 1.2 to 2.2.

Abstract: A thermoelectric conversion material having an excellent thermoelectric conversion property and excellent in mechanical strength, a method for producing the same, and a thermoelectric conversion device using the same are provided. A thermoelectric conversion material includes an oxide for thermoelectric conversion material and an inorganic substance wherein the inorganic substance does not react with the oxide for thermoelectric conversion material under conditions of pressure: 950 hPa to 1050 hPa and temperature: 900° C. A method for producing a thermoelectric conversion material includes the steps (a1) and (a2): (a1) forming a mixture of an oxide for thermoelectric conversion material and an inorganic substance to obtain a green body, (a2) sintering the green body in air at 800° C. to 1700° C.

Abstract: The present invention provides a flake compound which is useful for a conductive film. The flake compound comprises a conductive layer containing M and O, wherein M represents at least one metal element, preferably at least one transition metal element in mixed valent state.