A silicide-based alloy material and a device in which the silicide-based alloy material is used are disclosed. The silicide-based alloy material can reduce environmental impact and provide high thermoelectric FIGURE of merit at room temperature. Provided is a silicide-based alloy material comprising, as major components, silver, barium and silicon, wherein atomic ratios of elements that constitute the alloy material are as follows: 9 at %≤Ag/(Ag+Ba+Si)≤27 at %, 20 at %≤Ba/(Ag+Ba+Si)≤53 at %, and 37 at %≤Si/(Ag+Ba+Si)≤65 at %, where Ag represents a content of the silver, Ba represents a content of the barium and Si represents a content of the silicon, and the silicide-based alloy material has an average grain size of less than or equal to 20 μm.

The present disclosure provides a polymer blend that includes at least two polymers which are immiscible to one another and a carbon nanotube pulp comprising entangled carbon nanotubes as a compatibilizing agent and to a method of preparing the same.

Provided are a low-viscosity graphene oxide slurry and a preparation method thereof, a graphene oxide film and a preparation method thereof, and a graphene heat-conducting film and a preparation method thereof. A main method used comprises ultramicro-refining graphene oxide under high-pressure shearing, high-speed impacting and a strong cavitation action to reduce a flake diameter of the graphene oxide, thereby reducing a viscosity of the graphene oxide slurry and increasing a solid content of the graphene oxide slurry, so that an efficiency of coating the graphene oxide slurry into the graphene oxide film is improved.

A method of preparing a lithium lanthanum zirconate (LLZO) cubic garnet material is provided which comprises the following steps: (a) milling a slurry comprising one or more precursor compounds in an aqueous medium, wherein the one or more precursor compounds comprise lithium, lanthanum, zirconium and optionally one or more dopant elements, to provide a milled slurry; (b) spray drying the milled slurry to provide a spray-dried powder; and (c) annealing the spray-dried powder. The resultant LLZO cubic garnet material may be used as a lithium ion conductive solid electrolyte in secondary lithium-ion batteries.

An insulated structure includes a plurality of walls and a cavity defined by the plurality of walls. A core material is disposed within the cavity. The core material includes particles with a diameter that is in a range of 80-1600 μm. The core material disposed within the cavity can have a density in a range of greater than 350 kg/m.sup.3 to 600 kg/m.sup.3. Methods of manufacturing the insulated structure also disclosed.

A thermal interlace material for transferring heat by interposing between two materials may include a graphite film. The graphite film may have a thickness T of 200 nm to 3 μm, and a ratio Ra/T of an arithmetic average roughness Ra on a surface of the graphite film to the thickness T of the graphite film, may be 0.1 to 30.

There is provided a method for preparation of oxide support-nanoparticle composites, in which metal nanoparticles decorate with uniform size and distribution on the surface of an oxide support, and thus, high performance oxide support-nanoparticle composites that can be applied in the fields of heterogeneous catalysis can be provided.

The present application relates to lithium iron phosphate, a preparation method therefor, and a lithium-ion battery. The preparation method includes: sintering dry materials of an iron source, a lithium source, a phosphorus source, and a reductive carbon source to obtain lithium iron phosphate, wherein the sintering atmosphere includes a mild oxidizing gas, the mild oxidizing gas includes carbon dioxide, and the sintering temperature is 800-900° C.

The present invention is a method of producing a lanthanum carbonate hydroxide or lanthanum oxycarbonate which has improved properties. The method involves the use of a water soluble lanthanum and a water soluble non-alkali metal carbonate or bicarbonate. The resulting material can be used as a phosphate binder individually or for treating patients with hyperphosphatemia.

The present disclosure relates to a method for producing a porous metal oxide powder, and more particularly, to a method for producing a porous metal oxide powder including obtaining metal oxide precipitate slurry from an aqueous metal salt solution dissolving a water-soluble metal salt in water; solvent exchanging the water by mixing a butanol solvent and the metal oxide precipitate slurry; and drying the solvent exchanged metal oxide under atmospheric pressure conditions.