C01P2004/02

METHOD FOR PRODUCING SILICA AEROGEL BLANKET AND APPARATUS FOR PRODUCING SAME
20200216322 · 2020-07-09 ·

Provided is a method for producing a silica aerogel blanket and an apparatus for producing the same, which are capable of easily controlling the physical properties of a silica aerogel blanket by separately injecting silica sol and a gelation catalyst to control gelation time, improving aerogel pore structure to be uniform and improving thermal insulation performance by sufficiently and uniformly impregnating the silica sol and the gelation catalyst into a blanket, reducing the loss of silica sol and gelation catalyst by allowing the silica sol and the gelation catalyst to pass on an ascending slope before gelation to remove any excessive silica sol and gelation catalyst exceeding an appropriate impregnation amount, and providing a silica aerogel blanket having less process trouble, and less dust.

Carbon electrode and lithium ion hybrid capacitor comprising same

A carbon material is described, having utility for fabricating an electrode of an electrochemical energy device, wherein the carbon material includes a particulate carbon having a particle size d.sub.50 in a range of from 1 to 15 m, a bulk density in a range of from 0.3 g/cc to 1.2 g/cc, a surface area as measured by nitrogen BET surface area determination at 25 C. that does not exceed 10 m.sup.2/g, and an impurity content of less than 3000 ppm by weight, based on weight of the carbon material. Such carbon material may be utilized in amorphous or graphitic form in an electrode of an electrochemical energy device, such as a negative electrode of a lithium-ion battery or a lithium-ion hybrid capacitor.

Layer-by-layer sorting of rhenium disulfide via high-density isopycnic density gradient ultracentrifugation
10702803 · 2020-07-07 · ·

Separation of rhenium disulfide nanomaterials and related fluid density gradient media.

METHOD OF PRODUCING PRODUCT INORGANIC COMPOUND AND PRODUCT INORGANIC COMPOUND

A method of producing a product inorganic compound including: immersing a raw material inorganic compound having a volume of 10.sup.13 m.sup.3 or more in an electrolyte aqueous solution or an electrolyte suspension; exchanging anions in the raw material inorganic compound with anions in the electrolyte aqueous solution or the electrolyte suspension; cations in the raw material inorganic compound are exchanged with cations in the electrolyte aqueous solution or the electrolyte suspension; or including a component (that excludes water, hydrogen, and oxygen) in the electrolyte aqueous solution or the electrolyte suspension not included in the raw material inorganic compound in the raw material inorganic compound; and obtaining a product inorganic compound having a volume of 10.sup.13 m.sup.3 or more from the raw material inorganic compound.

Method for producing sulfur charged carbon nanotubes and cathodes for lithium ion batteries
10629320 · 2020-04-21 · ·

A method for making sulfur charged carbon nanotubes, the structure of the sulfur charged carbon nanotubes, and a cathode including the sulfur charged carbon nanotubes are described herein. The method comprises dissolving sublimed sulfur in a solvent to create a solution. The method further comprises adding carbon nanotubes to the solution. The method further comprises adding a polar protic solvent to the solution. The method further comprises removing the solvent from the solution.

METHOD FOR PRODUCING OCTACALCIUM PHOSPHATE SHAPED PRODUCT
20200115231 · 2020-04-16 · ·

The present invention provides: a method for producing a shaped product comprising octacalcium phosphate and having a volume of 2.0 mm.sup.3 or more, comprising immersing a precursor ceramic composition containing at least one of Ca and PO.sub.4 in composition, having a solubility in H.sub.2O higher than that of octacalcium phosphate, and having a volume greater than 2.0 mm.sup.3, in a solution containing a component which is not contained in the precursor ceramic composition, among the components Ca, PO.sub.4 and H.sub.2O, which are components of octacalcium phosphate to allow the precursor ceramic composition to react, thereby converting at least a part of the precursor ceramic composition into octacalcium phosphate; and the like.

POLYSILICON ROD AND METHOD FOR MANUFACTURING POLYSILICON ROD

A polysilicon rod wherein in an area whose distance from a center of a cross section of the polysilicon rod is within of a radius and that excludes a seed core, average grain boundary characteristics have following features: a coincidence grain boundary ratio exceeds 20%, a grain boundary length exceeds 550 mm/mm.sup.2, and a random grain boundary length does not exceed 800 mm/mm.sup.2.

A FREE-FLOWING FOOD GRADE SODIUM NITRITE AND PRODUCTION METHOD THEREOF
20240025743 · 2024-01-25 ·

A free-flowing food grade sodium nitrite and production method thereof. The free flowing food grade sodium nitrite including sodium nitrate (SNI) having purity of 99.0-99.9%, wherein NaNO3 is no greater than 0.70%, wherein alkalinity as Na2CO3 is no greater than 600 ppm, wherein a chloride content is no greater than about 50 ppm, wherein a sulphate content is no greater than 50 ppm, wherein loss on drying is no greater than 0.2%, wherein a content of insoluble is no greater than 0.4%, wherein a content of a heavy metal is no greater than 10 ppm wherein a content of assay is within a range of 98.5% to 100.5%.

Nitride crystal substrate

There is provided a nitride crystal substrate made of a nitride crystal with a diameter of 100 mm or more, having on its main surface: a continuous high dislocation density region and a plurality of low dislocation density regions divided by the high dislocation density region, with the main surface not including a polarity inversion domain.

COMPOSITE WHITE PIGMENT

Disclosed is a composite white pigment having mixed together white pigments having different colorimeter values from each other by comprising substrates having various sizes and/or TiO2 having various thicknesses. The composite white pigment, according to the present invention, comprises: a first white pigment comprising a substrate and a white metal oxide layer formed on the substrate; and a second white pigment comprising a substrate and a white metal oxide layer formed on the substrate, and having a different colorimeter value from that of the first white pigment.