Patent classifications
C01B25/372
Zirconium oxide module conditioning
The invention relates to devices, systems, and methods for conditioning a zirconium oxide sorbent module for use in dialysis after recharging. The devices, systems, and methods can provide for conditioning and recharging of zirconium oxide in a single system, or in separate systems.
Process for the Preparation of Uniform Sized Phosphor Aerogel
The present invention provides a process for the preparation of phosphor aerogel of uniform size having high porosity, low density; high thermal insulation and high luminescence, which is useful for various applications like lighting, display, sensing and other applications.
More specifically, the present invention provides a simple and versatile process for the formation of monolithic gel, at room temperature, which on further drying at supercritical temperature and pressure result in dry aerogel. Further, annealing under mild reduced atmosphere from 1000°-1400° C. not only retains the porous network with uniform size particles but also crystallizes to form a phosphor aerogel having brightest luminescence with bulk density as low as 100 kg m-3, and strong enough to support a weight much higher than its own weight.
Manufacturing method for positive electrode active material
It is an object to provide a manufacturing method for a large amount of positive electrode active material with few variations, having a highly uniform surface condition, micro-size, and high performance. An aqueous solution of a compound, which becomes the source material for the positive electrode active material, is put in an airtight container and irradiated with microwaves, thus heating while water in the airtight container is evaporated and a high pressure is formed in the air tight container. A large amount of micro-sized positive electrode active material having a highly uniform surface condition can be formed. A compound, which becomes the source material for the positive electrode active material, is put in an airtight container and irradiated with microwaves, thus heating while water in the airtight container is evaporated and a high pressure is formed in the air tight container.
ϵ-VOPO.SUB.4 .cathode for lithium ion batteries
The epsilon polymorph of vanadyl phosphate, ε-VOPO.sub.4, made from the solvothermally synthesized H.sub.2VOPO.sub.4, is a high density cathode material for lithium-ion batteries optimized to reversibly intercalate two Li-ions to reach the full theoretical capacity at least 50 cycles with a coulombic efficiency of 98%. This material adopts a stable 3D tunnel structure and can extract two Li-ions per vanadium ion, giving a theoretical capacity of 305 mAh/g, with an upper charge/discharge plateau at around 4.0 V, and one lower at around 2.5 V.
Epsilon-VOPO4 CATHODE FOR LITHIUM ION BATTERIES
The epsilon polymorph of vanadyl phosphate, ε-VOPO.sub.4, made from the solvothermally synthesized H.sub.2VOPO.sub.4, is a high density cathode material for lithium-ion batteries optimized to reversibly intercalate two Li-ions to reach the full theoretical capacity at least 50 cycles with a coulombic efficiency of 98%. This material adopts a stable 3D tunnel structure and can extract two Li-ions per vanadium ion, giving a theoretical capacity of 305 mAh/g, with an upper charge/discharge plateau at around 4.0 V, and one lower at around 2.5 V.
Cation exchange materials for dialysis systems
A sorbent cartridge device includes an ion-exchange material containing zirconium phosphate and no more than about 0.1 mg of leachable phosphate ions per about 1 g of the ion-exchange material. In one example, the cartridge also includes a phosphate-adsorbing material containing zirconium oxide. In this example, the weight ratio between zirconium phosphate and zirconium oxide in the cartridge is from about 10:1 to about 40:1. The zirconium phosphate may be alkaline zirconium phosphate prepared by a process including the following steps: (i) drying acid zirconium phosphate to obtain a dry acid zirconium phosphate; (ii) combining the dry acid zirconium phosphate with an aqueous solution to obtain an aqueous slurry; and (iii) combining the slurry with an alkali hydroxide to obtain the alkaline zirconium phosphate. During step (ii), any free phosphate ions in the dry acid zirconium phosphate leach out into the aqueous phase of the slurry.
TITANIUM PHOSPHATE POWDER, PRODUCTION METHOD THEREFOR, AND WHITE PIGMENT FOR COSMETICS
The titanium phosphate powder of the present invention includes plate-shaped crystalline particles of titanium phosphate, an average thickness of the plate-shaped crystalline particles is 0.01 μm or more and less than 0.10 μm, and an aspect ratio, which is a value obtained by dividing an average primary particle diameter of the plate-shaped crystalline particles by the average thickness, is 5 or more. In the method for producing a titanium phosphate powder of the present invention, a raw material containing titanium and phosphorus is caused to react by a hydrothermal synthesis method, and when the titanium phosphate powder including plate-shaped crystalline particles of titanium phosphate is produced, a mixture of titanium sulfate and phosphoric acid is used as the raw material.
DIELECTRIC INORGANIC COMPOSITION
Provided is a dielectric body having a high dielectric constant and a change rate of the dielectric constant of 30% or less, in a temperature range from −50° C. to 350° C.
An inorganic substance contains an oxide crystal including A and M (the A being one or more of P, Ge, and V, and the M being one or more of Nb and Ta), wherein the dielectric constant is 500 or more. In the inorganic substance, the oxide crystal is one or more of PNb.sub.9O.sub.25, P.sub.2.5Nb.sub.18O.sub.50 and GeNb.sub.9O.sub.25, GeNb.sub.18O.sub.47, GeNb.sub.19.144O.sub.50, VNb.sub.9O.sub.25, VNb.sub.9O.sub.24.9, PTa.sub.9O.sub.25, GeTa.sub.9O.sub.25, VTa.sub.9O.sub.25, and solid solutions thereof.
LITHIUM-ION SOLID STATE CONDUCTOR, ELECTRODE AND BATTERY INCLUDING THE CONDUCTOR, METHODS OF MANUFACTURE THEREOF
A compound of Formula 1
Li.sub.1+(4−a)αHf.sub.2−αM.sup.a.sub.α(PO.sub.4−δ).sub.3 (1)
is disclosed, wherein M is at least one cationic element having a valence of a, wherein 0<α≤⅔, 1≤a≤4, and 0≤δ≤0.1. Also described are an electrolyte composition, a separator, a protected positive electrode, a protected negative electrode, and a lithium battery, each including the compound of Formula 1.
WHITE PIGMENT FOR COSMETICS, AND COSMETIC
Provided is a white pigment for cosmetics capable of giving a cosmetic that gives a coating film having less stickiness and higher long-lasting properties. A white pigment for cosmetics of the present invention includes a titanium phosphate powder, the titanium phosphate powder includes crystal particles of titanium phosphate, and a ratio (oil absorption value/specific surface area) of an oil absorption value (ml/100 g) to a specific surface area (m.sup.2/g) of the crystal particles is 2.0 or more.