A ceramic foam filter and a manufacturing method thereof. The ceramic foam filter comprises the following materials provided in respective weight percentages: 20-50% of a silicon carbide, 20-55% of a zirconium oxide, and 10-36% of a silicon oxide, wherein all figures are based on the total weight of the ceramic foam filter. The method for manufacturing the ceramic foam filter comprises the following steps: (a) providing a slurry comprising a silicon carbide, a zirconium oxide or zirconium oxide precursor, a silicon oxide or silicon oxide precursor, a binder, an optional additive, and a fluid carrier medium; (b) applying the slurry to perform surface ornamentation of a perforated organic foam; (c) drying the perforated organic foam surface ornamented with the slurry to obtain a green body; and (d) sintering the green body in oxygen-containing air to obtain the ceramic foam filter.

To provide a technology for sintering calcium phosphate to manufacture a calcium phosphate sintered body and suppressing generation of calcium oxide when calcium phosphate is sintered, there is provided a process for manufacturing a sintered calcium phosphate molded body is characterized by including a step for heating a composition containing at least a composite of calcium phosphate fine particles and polyether and sintering the calcium phosphate fine particles.

A positive electrode active material for a non-aqueous electrolyte secondary battery includes secondary particles of a lithium transition metal complex oxide as a main component. The main component is represented by a formula: Li.sub.t(Ni.sub.1-xCo.sub.x).sub.1-yMn.sub.yB.sub.αP.sub.βS.sub.γO.sub.2, where t, x, y, α, β, and γ satisfy inequalities of 0≤x≤1, 0.00≤y≤0.50, (1−x).Math.(1−y)≥y, 0.000≤α≤0.020, 0.000≤β=0.030, 0.000≤γ≤0.030, and 1+3α+3β+2γ≤t≤1.30, and satisfy at least one of inequalities of 0.002≤α, 0.006≤β, and 0.004≤γ. The secondary particles exhibit a pore distribution, where a pore volume Vp(1) having a pore diameter of not less than 0.01 μm and not more than 0.15 μm satisfies an inequality of 0.035 cm.sup.3/g≤Vp(1) and where a pore volume Vp(2) having a pore diameter of not less than 0.01 μm and not more than 10 μm satisfies an inequality of Vp(2)≤0.450 cm.sup.3/g.

Disclosed is a rapid, reproducible solution-based method to synthesize solid sodium ion-conductive materials. The method includes: (a) forming an aqueous mixture of (i) at least one sodium salt, and (ii) at least one metal oxide; (b) adding at least one phosphorous precursor as a neutralizing agent into the mixture; (c) concentrating the mixture to form a paste; (d) calcining or removing liquid from the paste to form a solid; and (e) sintering the solid at a high temperature to form a dense, non-porous, sodium ion-conductive material. Solid sodium ion-conductive materials have electrochemical applications, including use as solid electrolytes for batteries.

A chromia-based brick, having chromia as a main component, includes: 70 to 95 mass % of Cr.sub.2O.sub.3; 0.5 to 15 mass % of ZrO.sub.2; 0.4 to 4.0 mass % of P.sub.2O.sub.5 derived from phosphate added as raw material; 10 or lower mass % of Al.sub.2O.sub.3; and a sintering aid component and unavoidable components.

Disclosed are product (e.g., board), slurry, and methods relating to an uncooked starch that can be used to enhance strength in one or more gypsum layers in the board. The uncooked starch has a hot water viscosity of from about 20 BU to about 300 BU according to the HWVA method, and/or a mid-range peak viscosity of from about 120 Brabender Units to about 1000 Brabender Units.

The present invention relates to a nitrogen-doped sulfide-based solid electrolyte for all-solid batteries. The a nitrogen-doped sulfide-based solid electrolyte for all-solid batteries includes a compound with an argyrodite-type crystal structure represented by the following Formula 1:
Li.sub.aPS.sub.bN.sub.cX.sub.d  [Formula 1] wherein 6≤a≤7, 3<b<6, 0<c≤1, 0<d≤2, and each X is the same or different halogen atom selected from the group consisting of chlorine (Cl), bromine (Br), and iodine (I).

A multilayer ceramic capacitor that includes a ceramic body including a stack of a plurality of dielectric layers and a plurality of internal electrodes; a first external electrode on a first end surface of the ceramic body and electrically connected to a first set of the plurality of internal electrodes; and a second external electrode on a second end surface of the ceramic body and electrically connected to a second set of the plurality of internal electrodes. The dielectric layer includes a plurality of dielectric grains including Ca, Zr, Ti and a rare earth element, P is present between the plurality of dielectric grains, and where at least a portion of the rare earth element is in a solid solution in the dielectric grains.

The present invention provides an annealing separator composition, a grain-oriented electrical steel sheet and a method for manufacturing a grain-oriented electrical steel sheet.

An annealing separator composition for a grain-oriented electrical steel sheet according to an embodiment of present invention comprising: on the basis of total solid 100 wt %, 5 to 70 wt % of mullite; and the remainder being magnesium oxide or magnesium hydroxide.

Provided are a cover-layer-including ceramic continuous fiber suitable for producing a ceramic matrix composite material that can have improved damage tolerance and a ceramic matrix composite material formed from the cover-layer-including ceramic continuous fiber. The cover-layer-including ceramic continuous fiber includes a ceramic continuous fiber and a cover layer formed of an inorganic acid salt and disposed on the surface of the ceramic continuous fiber, wherein the thickness variation coefficient of the cover layer is 80% or less.