Abstract

A preparation method for a perovskite light absorption layer, comprising: spreading perovskite ink on a screen mesh, and forming a layer of liquid film on the screen mesh; pressing the screen mesh to cause the liquid film to pass through the mesh openings of the screen mesh to be transferred to a printing substrate arranged below the screen mesh in parallel, thus obtaining the printing substrate loaded with the perovskite ink; and carrying out crystallization treatment on the printing substrate loaded with the perovskite ink, so as to obtain a perovskite light absorption layer. The preparation method for a perovskite light absorption layer has the characteristics of compatibility with traditional screen printing equipment, large-area film formation, high uniformity, simplicity, ease of scaling-up, low cost, etc.

IPC Classes  ?

• B41M 1/12 - Stencil printingSilk-screen printing

Abstract

2(1-x-y-a)2x2y2a(1-z)z55, wherein 0

IPC Classes  ?

• C09K 11/79 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing rare earth metals containing silicon
• C30B 29/34 - Silicates
• C30B 27/02 - Single-crystal growth under a protective fluid by pulling from a melt
• C30B 15/08 - Downward pulling
• G01T 1/202 - Measuring radiation intensity with scintillation detectors the detector being a crystal

Abstract

The disclosure relates to a solid electrolyte with a modified layer comprises: a solid electrolyte and a modified layer coated on the solid electrolyte. The solid electrolyte and the modified layer are connected by hydrogen bonds. The modified layer comprises an acid-treated carbon matrix and silver nanoparticles modified thereon. A method for preparing a solid electrolyte with a modified layer comprises: treating a carbon matrix with an acid, modifying silver nanoparticles on the acid-treated carbon matrix to obtain the silver nanoparticles modified on the acid-treated carbon matrix (Ag NPs@CNTs), mixing the Ag NPs@CNTs in suspension and coating them on a solid electrolyte, and drying and annealing the solid electrolyte to obtain the solid electrolyte with a modified layer.

IPC Classes  ?

• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
• H01M 10/052 - Li-accumulators
• H01M 10/0562 - Solid materials

Abstract

The invention relates to a Yohen Tenmoku tea bowl and a preparation method therefor. The preparation method for a Yohen Tenmoku tea bowl comprises the following steps: (1) weighing raw materials, which include 20-85 wt% of a lead powder, 5-40 wt% of a silver powder and 10-40 wt% of a binder, the sum of the components being 100 wt%, and grinding and mixing same, so as to obtain a slurry; and (2) using the slurry to draw elliptical spots on the inner surface and the outer surface of a Wujin glaze tea bowl by means of a soft-tip pen, and subjecting same to a secondary heat treatment process, so as to obtain the Yohen Tenmoku tea bowl. The glaze of a finished Yohen Tenmoku tea bowl product obtained by means of the preparation method provided by the present invention has rich optical effects, deep speckles and gorgeous color rings, and the colors thereof are changeable; and the Yohen Tenmoku tea bowl is colorful and sparkles, and has high artistic and ornamental value.

IPC Classes  ?

• C04B 41/89 - Coating or impregnating for obtaining at least two superposed coatings having different compositions
• B44C 3/04 - Modelling plastic materials, e.g. clay
• C04B 41/86 - GlazesCold glazes

Abstract

A method for preparing high-density magnesia-alumina spinel ceramic by low-temperature pressureless sintering, comprises: using MgAl2O4 powder as a raw material powder, adding calcium phosphate as a sintering aid and controlling the calcium element of the calcium phosphate to not exceed 500 ppm of the total mass of the raw material powder; and then performing pressureless sintering, thereby preparing a high-density magnesia-alumina spinel ceramic; the pressureless sintering includes normal pressure sintering or vacuum sintering.

IPC Classes  ?

• C04B 35/443 - Magnesium aluminate spinel
• C04B 35/645 - Pressure sintering

Abstract

Batteries include a cathode, a solid-state electrolyte, an anode, and an interlayer disposed on the cathode with the solid-state electrolyte disposed on the interlayer. The interlayer includes a lithium salt, a nitrile-containing compound, and a sulfone-containing compound. The anode can be a lithium-containing anode. In aspects, the interlayer can further include a polymeric matrix with the lithium salt, the nitrile-containing compound, and the sulfone-containing compound positioned within the polymeric matrix. Methods of forming a battery include disposing a solution including a lithium salt, a sulfone-containing compound, and a nitrile-containing compound on a cathode. Method include disposing a solid-state electrolyte over the cathode with the lithium salt positioned between the cathode and the solid-state electrolyte. In aspects, the solution can further comprise a monomer, and methods can further include curing the monomer to form an interlayer including a polymeric matrix.

IPC Classes  ?

• H01M 10/056 - Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
• H01M 10/052 - Li-accumulators
• H01M 10/058 - Construction or manufacture
• H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof

Abstract

431212:Ce, wherein the doping amount of the Ce element does not exceed 0.7 wt%.

IPC Classes  ?

• C30B 29/32 - TitanatesGermanatesMolybdatesTungstates
• C30B 11/00 - Single-crystal-growth by normal freezing or freezing under temperature gradient, e.g. Bridgman- Stockbarger method
• G01T 1/202 - Measuring radiation intensity with scintillation detectors the detector being a crystal

Abstract

222 carrier; the bimetallic atoms comprise a first metal atom selected from Au, Ag, and Pt and a second metal atom selected from Ag, In, and Pd, and the first metal atom and the second metal atom are different.

IPC Classes  ?

• B01J 23/66 - Silver or gold
• B01J 37/02 - Impregnation, coating or precipitation
• B01J 37/16 - Reducing
• C01B 32/40 - Carbon monoxide
• C07C 1/02 - Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of carbon
• C07C 9/04 - Methane

Abstract

An interlayer for a lithium battery having a solid-state electrolyte is disclosed. The Interlay includes an electrospun polymeric framework and a polymer electrolyte membrane that includes a lithium salt, a cross-linking solvent, and a reaction product of a UV curable monomer. The polymer electrolyte membrane is distributed throughout the electrospun polymeric framework and present at both sides of the electrospun polymeric framework. Distribution of the polymer electrolyte membrane throughout the electrospun polymeric framework mechanically secures the polymer electrolyte membrane to the electrospun polymeric framework. The polymer electrolyte membrane is viscoelastic and can conform to contours in a sintered ceramic solid-state electrolyte to improve contact between a lithium anode layer and a sintered ceramic solid-state electrolyte of a solid-state lithium battery. The improved contact between anode and ceramic solid-state electrolyte improves the electrical performance of the solid-state lithium batteries.

IPC Classes  ?

• H01M 50/426 - Fluorocarbon polymers
• H01M 50/44 - Fibrous material
• D01D 5/00 - Formation of filaments, threads, or the like
• H01M 10/0562 - Solid materials
• H01M 50/414 - Synthetic resins, e.g. .thermoplastics or thermosetting resins
• H01M 50/42 - Acrylic resins

Abstract

A solid-state lithium-containing battery includes: (1) an electrode; (2) a solid-state electrolyte; and (3) a modifying interlayer disposed between, and in direct contact with, the electrode and the solid-state electrolyte, the modifying interlayer comprising (a) a three-dimensional (3D) polymeric framework including (i) electrospun polymer nanofibers having a diameter within a range from 10 nm to 50 nm, (ii) a framework additive integrated into the electrospun polymer nanofibers, the framework additive comprising a sulfonic acid containing compound, and (iii) pores between the fibers, (b) a crosslinked polymer within the pores of the 3D polymeric framework, (c) a crosslinking solvent within the pores of the 3D polymeric framework, and (d) a lithium salt within the pores of the 3D polymeric framework.

IPC Classes  ?

• H01M 10/052 - Li-accumulators
• D04H 1/728 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 10/0562 - Solid materials
• H01M 10/058 - Construction or manufacture
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

Abstract

A preparation method of a high-thermal-conductivity and net-size silicon nitride ceramic substrate includes the following steps: (1) mixing an original powder, a sintering aid, a dispersant, a defoamer, a binder, and a plasticizer in a protective atmosphere to allow vacuum degassing to obtain a mixed slurry; (2) subjecting the mixed slurry to tape casting and drying in a nitrogen atmosphere to obtain a first green body; (3) subjecting the first green body to shaping pretreatment to obtain a second green body; (4) subjecting the second green body to debonding at 500° C. to 900° C. to obtain a third green body; and (5) subjecting the third green body to gas pressure sintering in a nitrogen atmosphere at 1,800° C. to 2,000° C. to obtain the high-thermal-conductivity and net-size silicon nitride ceramic substrate.

IPC Classes  ?

• C04B 35/587 - Fine ceramics
• C04B 35/591 - Fine ceramics obtained by reaction sintering
• C04B 35/622 - Forming processesProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products
• C04B 35/626 - Preparing or treating the powders individually or as batches
• C04B 35/63 - Preparing or treating the powders individually or as batches using additives specially adapted for forming the products
• C04B 35/634 - Polymers
• C04B 35/638 - Removal thereof
• C04B 35/64 - Burning or sintering processes
• C09K 5/14 - Solid materials, e.g. powdery or granular

Abstract

Batteries include a current collector, a cathode, an interlayer disposed on the cathode, a solid-state electrolyte disposed on the interlayer, and a lithium anode disposed on the solid-state electrolyte. In aspects, the interlayer includes a lithium salt and a sulfone compound within a polymeric matrix. In aspects, the interlayer includes a lithium salt and a sulfone compound. In aspects, methods of forming a battery comprise disposing a precursor solution comprising a lithium salt, a sulfone compound, and a monomer on a first major surface of a cathode. Methods can further include curing the precursor solution to form an interlayer including the lithium salt and the sulfone compound within a polymeric matrix. In aspects, methods can include disposing a lithium salt and a sulfone compound on a first major surface of a cathode. Methods further include disposing a solid-state electrolyte over the first major surface of the cathode.

IPC Classes  ?

• H01M 4/36 - Selection of substances as active materials, active masses, active liquids
• H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
• H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
• H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
• H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
• H01M 4/66 - Selection of materials
• H01M 10/0562 - Solid materials
• H01M 10/0568 - Liquid materials characterised by the solutes
• H01M 10/0569 - Liquid materials characterised by the solvents
• H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
• H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells

Abstract

6666, and the density of the burnable poison coating is 70%-97% of the theoretical density of the used material. The present invention further relates to a method for preparing the burnable poison coating, and a nuclear fuel element comprising a nuclear fuel pellet to which the coating is applied.

IPC Classes  ?

• C23C 14/06 - Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
• C23C 14/35 - Sputtering by application of a magnetic field, e.g. magnetron sputtering
• C23C 14/54 - Controlling or regulating the coating process
• G21C 3/02 - Fuel elements
• G21C 3/20 - Details of the construction within the casing with coating on fuel or on inside of casingDetails of the construction within the casing with non-active interlayer between casing and active material
• G21C 3/62 - Ceramic fuel

Abstract

The present disclosure relates to a method for preparing a silicon nitride ceramic material. The method including: (1) with at least one of silicon powder and silicon nitride powder as original powder and Y2O3 powder and MgO powder as sintering aids, the original powder and the sintering aids are mixed in a protective atmosphere, and the mixture is formed into a green body; (2) the resulting green body is put into a reducing atmosphere and pretreated at 500° C. to 800° C. to obtain a biscuit; and the reducing atmosphere is a hydrogen/nitrogen mixed atmosphere with a hydrogen content not higher than 5%; (3) the resulting biscuit is put into a nitrogen atmosphere and subjected to low-temperature heat treatment at 1600° C. to 1800° C. and high-temperature heat treatment at 1800° C. to 2000° C. in sequence.

IPC Classes  ?

• C04B 35/591 - Fine ceramics obtained by reaction sintering
• C04B 35/63 - Preparing or treating the powders individually or as batches using additives specially adapted for forming the products
• C04B 35/634 - Polymers
• C04B 35/645 - Pressure sintering
• C04B 35/65 - Reaction sintering of free metal- or free silicon-containing compositions
• C09K 5/14 - Solid materials, e.g. powdery or granular

Abstract

3 and MgO. The two-step sintering process comprises: in a nitrogen atmosphere, performing low-temperature heat treatment and high-temperature heat treatment in sequence.

IPC Classes  ?

• B23K 37/00 - Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
• C04B 35/584 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on borides, nitrides or silicides based on silicon nitride
• C04B 37/00 - Joining burned ceramic articles with other burned ceramic articles or other articles by heating

Abstract

The present disclosure relates to a batch sintering method for a high-property silicon nitride ceramic substrate. The batch sintering method includes: (1) silicon nitride ceramic substrate green bodies are stacked and put into a boron nitride crucible, and a layer of boron nitride powder is applied between adjacent silicon nitride ceramic substrate green bodies; (2) after step-by-step vacuumization, debinding is performed in a nitrogen atmosphere or a reducing atmosphere at 500° C. to 900° C.; (3) gas pressure sintering is then performed in a nitrogen atmosphere at 1800° C. to 2000° C., completing the batch preparation of the high-property silicon nitride ceramic substrate.

IPC Classes  ?

• C04B 37/00 - Joining burned ceramic articles with other burned ceramic articles or other articles by heating
• C04B 35/584 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on borides, nitrides or silicides based on silicon nitride
• C04B 35/638 - Removal thereof
• C04B 35/64 - Burning or sintering processes

Abstract

A composition includes a first portion including Ni-rich LiNixCoyMnzO2, where 0.5

IPC Classes  ?

• H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 10/0562 - Solid materials
• H01M 10/0568 - Liquid materials characterised by the solutes
• H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
• H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
• H01M 4/36 - Selection of substances as active materials, active masses, active liquids

Abstract

The present invention relates to a method for preparing a thermoelectric thick film. The method includes: determining a brittle-to-ductile transition temperature of a thermoelectric material; rolling the blocky thermoelectric material within a temperature range above the brittle-to-ductile transition temperature and below a melting point; parameters of the rolling being as follows: a linear speed of rollers is 0.01 mm/s to 10 mm/s, preferably 0.1 mm/s to 5 mm/s, and an amount of pressing each time of the rollers is controlled at 0.0005 mm to 0.1 mm, preferably 0.001 mm to 0.05 mm; repeating the rolling until a thermoelectric thick film with a specified thickness is obtained; and annealing the obtained thermoelectric thick film; a temperature of the annealing being 100° C. to 800° C., preferably 300° C. to 500° C., and a duration of the annealing being 10 to 500 hours, preferably 100 to 300 hours.

IPC Classes  ?

• H10N 10/01 - Manufacture or treatment
• H10N 10/852 - Thermoelectric active materials comprising inorganic compositions comprising tellurium, selenium or sulfur

Abstract

Disclosed herein are methods for forming a graphene film on a substrate, the methods comprising depositing graphene on a surface of the substrate by a first vapor deposition step to form a discontinuous graphene crystal layer; depositing a graphene oxide layer on the discontinuous graphene crystal layer to form a composite layer; and depositing graphene on the composite layer by a second vapor deposition step, wherein the graphene oxide layer is substantially reduced to a graphene layer during the second vapor deposition step. Transparent coated substrates comprising such graphene films are also disclosed herein, wherein the graphene films have a resistance of less than about 10 KΩ/sq.

IPC Classes  ?

• B32B 9/00 - Layered products essentially comprising a particular substance not covered by groups
• C01B 32/182 - Graphene
• C01B 32/186 - Preparation by chemical vapour deposition [CVD]
• C01B 32/198 - Graphene oxide
• C03C 17/22 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with other inorganic material
• C23C 16/26 - Deposition of carbon only
• B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
• C23C 16/50 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges

Abstract

A battery includes a substrate; a cathode disposed on the substrate; at least one interlayer disposed on the cathode; a solid-state electrolyte (SSE) disposed on the interlayer; and a lithium anode disposed on the solid-state electrolyte, such that the at least one interlayer is a deep-eutectic-solvent-based (DES) electrolyte.

IPC Classes  ?

• H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
• H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
• H01M 10/0562 - Solid materials
• H01M 4/36 - Selection of substances as active materials, active masses, active liquids
• H01M 10/0569 - Liquid materials characterised by the solvents
• H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
• H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx

Abstract

244 powder as a raw material powder, adding calcium phosphate as a sintering additive and controlling the element Ca in the calcium phosphate to not exceed 500 ppm of the total mass of the raw material powder, then performing pressureless sintering, thereby preparing high-density magnesia-alumina spinel ceramic; the pressureless sintering comprises normal pressure sintering or vacuum sintering.

IPC Classes  ?

• C04B 35/443 - Magnesium aluminate spinel
• C04B 35/622 - Forming processesProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products
• C04B 35/645 - Pressure sintering

Abstract

The present application relates to a preparation method for a semiconductor material arm array and a batch preparation method for a semiconductor material arm array interface layer. The preparation method for the semiconductor material arm array comprises: first placing a semiconductor bulk material on a surface of a compression mold, then placing the semiconductor bulk material and the compression mold in a pressure-resistant sleeve, and causing, by compression, the semiconductor bulk material to undergo plastic deformation and fill holes that are in an array distribution on a surface of the compression mold, and then performing demolding to obtain the semiconductor material arm array.

IPC Classes  ?

• H10N 10/17 - Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects characterised by the structure or configuration of the cell or thermocouple forming the device

Abstract

The present invention provides a low-dimensional perovskite-structured metal halide and a preparation method and application thereof. The general formulas of the compositions of the low-dimensional perovskite-structured metal halide are AB2X3, A2BX3, and A3B2X5; wherein, A is at least one of Li, Na, K, Rb, Cs, In, and Tl; B is at least one of Cu, Ag, and Au; and X is at least one of F, Cl, Br, and I.

IPC Classes  ?

• C09K 11/61 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing fluorine, chlorine, bromine, iodine or unspecified halogen elements
• C30B 11/02 - Single-crystal-growth by normal freezing or freezing under temperature gradient, e.g. Bridgman- Stockbarger method without using solvents
• C30B 28/12 - Production of homogeneous polycrystalline material with defined structure directly from the gas state
• C30B 29/12 - Halides
• G01T 1/202 - Measuring radiation intensity with scintillation detectors the detector being a crystal
• G01T 1/20 - Measuring radiation intensity with scintillation detectors

Abstract

A composition includes a first portion including Ni-rich LiNixCoγMnzO2, where 0.5

IPC Classes  ?

• H01M 4/36 - Selection of substances as active materials, active masses, active liquids
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
• H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
• H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
• H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
• H01M 10/0562 - Solid materials
• H01M 10/0563 - Liquid materials, e.g. for Li-SOCl2 cells
• C01G 53/00 - Compounds of nickel

Abstract

A lithium-metal battery, includes: a substrate; a cathode disposed on the substrate; a garnet solid-state electrolyte disposed on the cathode; and a lithium anode disposed on the garnet solid-state electrolyte, such that a modification layer is disposed at an interface of the lithium anode and garnet solid-state electrolyte, the modification layer includes: a first portion; and a second portion, such that the first portion has a lithium component and the second portion has a garnet component. A method of forming a lithium-metal battery, includes: stacking a garnet source with at least one lithium source; and heating the stack at a temperature of at least 300° C. for a time in a range of 1 sec to 20 min to form a modification layer, such that the modification layer is disposed at an interface of the garnet source and the lithium source.

IPC Classes  ?

• H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/36 - Selection of substances as active materials, active masses, active liquids
• H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 10/052 - Li-accumulators
• H01M 10/0562 - Solid materials

Abstract

A molten-state suspended ellipsoidal droplet image processing algorithm is based on dual-camera vision. The algorithm includes acquiring images of a standard sphere by means of two cameras, and calculating the actual size corresponding to each individual pixel of the two standard sphere images; synchronously acquiring two images of a droplet by using the two cameras at a specified included angle; establishing an ellipsoidal quadric surface equation for the droplet, respectively detecting edge contour lines of the two images, and establishing elliptical contour line equations for the edge contour lines; introducing a specified included angle, and constructing an equation set according to relationships between parameters of the two elliptical contour line equations and the ellipsoidal quadric surface equation; solving the equation set to obtain the length of each semi-axis of the droplet; and calculating the volume of the droplet according to the length of each semi-axis.

IPC Classes  ?

• G06T 7/00 - Image analysis
• G01N 9/04 - Investigating density or specific gravity of materialsAnalysing materials by determining density or specific gravity by measuring weight of a known volume of fluids
• G06T 7/13 - Edge detection
• G06T 7/62 - Analysis of geometric attributes of area, perimeter, diameter or volume
• G06V 10/00 - Arrangements for image or video recognition or understanding
• G06V 10/28 - Quantising the image, e.g. histogram thresholding for discrimination between background and foreground patterns
• G06V 10/762 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using clustering, e.g. of similar faces in social networks

Abstract

A sintered composite ceramic includes a lithium-garnet major phase; and a lithium dendrite growth inhibitor minor phase, such that the lithium dendrite growth inhibitor minor phase comprises lithium tungstate. A method includes sintering a metal oxide component and a garnet component at a temperature in a range of 750° C. to 1500° C. to form a sintered composite ceramic.

IPC Classes  ?

• C04B 35/495 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates
• H01M 10/0562 - Solid materials

Abstract

A lithium-metal battery includes: a cathode; a garnet solid-state electrolyte disposed on the cathode; and a lithium anode disposed on the garnet solid-state electrolyte, such that a modification layer is disposed at an interface of the lithium anode and garnet solid-state electrolyte, the modification layer comprising an inorganic lithium salt. A method of forming a lithium-metal battery includes treating garnet solid-state electrolyte with an acid solution; and exposing the acid-treated garnet solid-state electrolyte to hydrogen fluoride to form a modification layer atop the garnet solid-state electrolyte.

IPC Classes  ?

• H01M 10/0562 - Solid materials
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

Abstract

A composite ceramic including: a lithium garnet major phase; and a grain growth inhibitor minor phase, as defined herein. Also disclosed is a method of making composite ceramic, pellets and tapes thereof, a solid electrolyte, and an electrochemical device including the solid electrolyte, as defined herein.

IPC Classes  ?

• H01M 10/0562 - Solid materials
• H01M 10/052 - Li-accumulators
• C04B 35/486 - Fine ceramics
• C04B 35/495 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates
• C04B 35/64 - Burning or sintering processes
• C04B 35/48 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on zirconium or hafnium oxides or zirconates or hafnates
• C04B 35/626 - Preparing or treating the powders individually or as batches
• C04B 35/01 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides
• C04B 35/488 - Composites

Abstract

Provided are a charge bar for relaxor-ferroelectric single crystal growth, a preparation method therefor, and a device for manufacturing the charge bar, the method comprising the following steps: step 1): preparing raw materials at the stoichiometric ratio of relaxor-ferroelectric single crystal materials, placing the raw materials in a material melting zone of a container, heating the material melting zone to melt the raw materials and maintaining the temperature; and step 2): then heating a casting control zone of the container, connecting the casting control zone with the material melting zone, such that the molten raw materials remain in a molten state and flow into a mold through the casting control zone, thereby obtaining a charge bar for relaxor-ferroelectric single crystal growth by cooling. Oxygen is optionally introduced into the material melting zone when the raw materials are molten and the temperature is maintained in step 1) and when the molten raw materials flow into the mold through the casting control zone in step 2).

IPC Classes  ?

• C30B 29/32 - TitanatesGermanatesMolybdatesTungstates
• C30B 11/00 - Single-crystal-growth by normal freezing or freezing under temperature gradient, e.g. Bridgman- Stockbarger method
• B22C 9/22 - Moulds for peculiarly-shaped castings
• B22D 37/00 - Controlling or regulating the pouring of molten metal from a casting melt-holding vessel
• C30B 29/30 - NiobatesVanadatesTantalates
• B22C 9/06 - Permanent moulds for shaped castings

Abstract

5-z.

IPC Classes  ?

• H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

Abstract

The present invention relates to a preparation method for a high-thermal-conductivity and net-size silicon nitride ceramic substrate. The preparation method comprises: (1) mixing at least one of silicon nitride powder and silicon powder as an initial powder, a sintering aid, a dispersing agent, a defoaming agent, a binder and a plasticizer in a protective atmosphere, and then subjecting same to vacuum degassing to obtain a mixed slurry; (2) performing cast molding and drying in a nitrogen atmosphere to obtain a first green body; (3) subjecting the obtained first green body to shaping pretreatment to obtain a second green body; (4) debonding the obtained second green body in a nitrogen atmosphere of micro-positive pressure at 500-900°C to obtain a third green body; and (5) placing the obtained third green body in a nitrogen atmosphere, and performing air pressure sintering at 1800-2000°C to obtain the high-thermal-conductivity and net-size silicon nitride ceramic substrate.

IPC Classes  ?

• C04B 35/593 - Fine ceramics obtained by pressure sintering
• C04B 35/622 - Forming processesProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products

Abstract

233 powder and MgO powder as sintering aids, mixing the original powder and the sintering aids in a protective atmosphere, and molding to obtain a bisque; (2) placing the obtained bisque in a reducing atmosphere to carry out a pretreatment on same at 500-800°C to obtain a blank, the reducing atmosphere being a hydrogen/nitrogen mixture atmosphere having a hydrogen content of not more than 5%; and (3) placing the obtained blank in a nitrogen atmosphere to carry out a low-temperature heat treatment at 1600-1800°C and then a high-temperature heat treatment at 1800-2000°C.

IPC Classes  ?

• C04B 35/584 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on borides, nitrides or silicides based on silicon nitride

Abstract

233 and MgO, in which the molar ratio of the two is 1.0-1.4:2.5-2.9, and a two-step sintering process is used, comprising: in a nitrogen atmosphere, the atmosphere pressure being 0.5-10 MPa, firstly performing a low-temperature heat treatment at 1600-1800°C, and then performing a high-temperature heat treatment at 1800-2000°C. The thickness of the silicon nitride ceramic substrate is 0.2-2.0 mm.

IPC Classes  ?

• C04B 37/02 - Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles
• H01L 23/15 - Ceramic or glass substrates
• C04B 35/584 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on borides, nitrides or silicides based on silicon nitride
• H05K 1/03 - Use of materials for the substrate

Abstract

A batch sintering method for a high-performance silicon nitride ceramic substrate, comprising: (1) stacking silicon nitride ceramic substrate biscuits in a boron nitride crucible, and coating a boron nitride powder layer between adjacent silicon nitride ceramic substrate biscuits; (2) after vacuuming step by step, debonding same in a nitrogen atmosphere or a reducing atmosphere at 500-900°C; and (3) then gas pressure sintering being performed in a nitrogen atmosphere at 1800-2000°C so as to realize batch preparation of the high-performance silicon nitride ceramic substrate.

IPC Classes  ?

• C04B 35/584 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on borides, nitrides or silicides based on silicon nitride
• C04B 35/645 - Pressure sintering
• C04B 35/638 - Removal thereof
• C04B 35/65 - Reaction sintering of free metal- or free silicon-containing compositions
• C04B 35/587 - Fine ceramics
• C04B 35/64 - Burning or sintering processes
• H05K 1/03 - Use of materials for the substrate

Abstract

A preparation method for a raw material for the growth of a relaxor-based ferroelectric single crystal, comprising: steps (A): preparing a clinker serving as a raw material for the growth of the relaxor-based ferroelectric single crystal by means of a two-step synthesis method according to a stoichiometric ratio of a relaxor-based ferroelectric single crystal material; step (B): weighing, according to the stoichiometric ratio of the relaxor-based ferroelectric single crystal material in step (A), an oxide of lead and oxides corresponding to elements other than lead, performing uniform ball milling and mixing on the oxides, and using the mixture as raw meal; and step (C): performing uniform ball milling and mixing on the clinker obtained in step (A) and the raw meal obtained in step (B) to obtain the raw material for the growth of the relaxor-based ferroelectric single crystal, wherein the proportion of the clinker in the raw material for the growth of the relaxor-based ferroelectric single crystal is z, and 0.05≤Z<1. The preparation method can effectively avoid the generation of inclusions in the crystal and is conducive to obtaining a relaxor-based ferroelectric single crystal having high purity, high uniformity, and excellent piezoelectric properties.

IPC Classes  ?

• C30B 29/22 - Complex oxides
• C01G 33/00 - Compounds of niobium
• C01G 21/00 - Compounds of lead

Abstract

A lithium-sulfur battery includes a substrate; a sulfur cathode disposed on the substrate; a coating layer disposed on the cathode; a first interlayer disposed on the coating layer; a solid-state electrolyte disposed on the first interlayer; a second interlayer disposed on the electrolyte; and a lithium anode disposed on the second interlayer, such that the coating layer is further disposed within pores of the cathode.

IPC Classes  ?

• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 10/0562 - Solid materials

Abstract

5. In the formula, RE is rare earth ions and M is strong electron-affinitive doping elements; the value of x is 0

IPC Classes  ?

• G01T 1/20 - Measuring radiation intensity with scintillation detectors
• G01T 1/202 - Measuring radiation intensity with scintillation detectors the detector being a crystal
• C04B 35/16 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on silicates other than clay
• C30B 28/02 - Production of homogeneous polycrystalline material with defined structure directly from the solid state
• C30B 29/22 - Complex oxides

Abstract

Disclosed is a method for measuring surface tension based on an axisymmetric droplet contour curve. The method comprises: photographing a suspended droplet image, and extracting a droplet contour curve; selecting a measurement point on the droplet contour curve; and calculating the surface tension of a liquid using the following formula Disclosed is a method for measuring surface tension based on an axisymmetric droplet contour curve. The method comprises: photographing a suspended droplet image, and extracting a droplet contour curve; selecting a measurement point on the droplet contour curve; and calculating the surface tension of a liquid using the following formula σ = Δρ ⁢ ⁢ gV + P ⁢ ⁢ π ⁢ ⁢ R 2 2 ⁢ π ⁢ ⁢ R ⁢ ⁢ sin ⁡ ( θ ) , Disclosed is a method for measuring surface tension based on an axisymmetric droplet contour curve. The method comprises: photographing a suspended droplet image, and extracting a droplet contour curve; selecting a measurement point on the droplet contour curve; and calculating the surface tension of a liquid using the following formula σ = Δρ ⁢ ⁢ gV + P ⁢ ⁢ π ⁢ ⁢ R 2 2 ⁢ π ⁢ ⁢ R ⁢ ⁢ sin ⁡ ( θ ) , wherein σ is the surface tension of the liquid, Δρ is the density difference between the liquid and the atmosphere, g is the local gravitational acceleration, P is the pressure at the cross section of the droplet cut from a horizontal plane of the measurement point, R is the radius of a circular surface formed by cutting the droplet, θ is the inclination angle between the tangent line of the measurement point on the droplet and the horizontal plane, and V is the droplet volume at the lower part of the cross section of the droplet.

IPC Classes  ?

• G06T 7/62 - Analysis of geometric attributes of area, perimeter, diameter or volume
• G06T 7/68 - Analysis of geometric attributes of symmetry
• G01N 13/02 - Investigating surface tension of liquids

Abstract

A modified garnet-type solid electrolyte, includes: a garnet-type solid electrolyte; a modification layer, such that the modification layer is formed on at least one side of the garnet-type solid electrolyte, and possesses a three-dimensional crosslinking structure comprising at least one strongly acidic lithium salt and at least one weakly acidic lithium salt. A method of forming a modified garnet-type solid electrolyte, includes: exposing a garnet-type solid electrolyte in air to form a pre-passivation layer; mixing solutions of strong acid and weakly acidic salt to form a mixed solution; chemically treating at least one side of the garnet-type solid electrolyte with the mixed solution; and forming a modification layer on the at least one side of the garnet-type solid electrolyte.

IPC Classes  ?

• H01M 10/0562 - Solid materials
• H01M 10/052 - Li-accumulators
• C01G 35/00 - Compounds of tantalum
• C01G 41/00 - Compounds of tungsten
• C01G 25/00 - Compounds of zirconium

Abstract

−4.

IPC Classes  ?

• C04B 35/591 - Fine ceramics obtained by reaction sintering
• C04B 35/626 - Preparing or treating the powders individually or as batches
• C04B 35/634 - Polymers
• H04M 1/02 - Constructional features of telephone sets

Abstract

A battery includes a substrate; a composite cathode disposed on the substrate; a solid-state electrolyte disposed on the composite cathode; and a lithium anode disposed on the solid-state electrolyte, such that the composite cathode comprises a gel polymer electrolyte layer and a porous cathode active material layer. A method of forming a cathode for a solid-state battery includes mixing an active cathode material, at least one of a conductive carbon component and an electronic conductive component, and a polymer binder to form a slurry; immersing the slurry in an alcohol reagent to form a porous disc structure by phase conversion; and immersing the porous disc structure in a liquid electrolyte to form the cathode.

IPC Classes  ?

• H01M 10/0565 - Polymeric materials, e.g. gel-type or solid-type
• H01M 10/0585 - Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
• H01M 10/0562 - Solid materials
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
• H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
• H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
• H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
• H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
• H01M 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
• H01M 10/052 - Li-accumulators
• H01M 4/02 - Electrodes composed of, or comprising, active material

Abstract

23233255, wherein A is at least one of Li, Na, K, Rb, Cs, In, and Tl; B is at least one of Cu, Ag, and Au; and X is at least one of F, Cl, Br, and I.

IPC Classes  ?

• C09K 11/61 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing fluorine, chlorine, bromine, iodine or unspecified halogen elements
• G01T 1/202 - Measuring radiation intensity with scintillation detectors the detector being a crystal

Abstract

xγz2αβγγ, where 0<α<9, 0<β<3, and 1 <γ< 10 such that the second portion is coated on the first portion, and the first portion is doped with an elemental metal selected from at least one of Zr, Si, Sn, Nb, Ta, A1, and Fe. A method of forming a composition includes mixing a metal precursor with nickel-cobalt-manganese (NCM) precursor to form a first mixture; adding a lithium-based compound to the first mixture to form a second mixture; and calcining the second mixture at a predetermined temperature for a predetermined time to form the composition.

IPC Classes  ?

• H01M 4/485 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
• H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
• H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

Abstract

−2.

IPC Classes  ?

• C04B 35/48 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on zirconium or hafnium oxides or zirconates or hafnates
• C04B 35/465 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 10/0562 - Solid materials

Abstract

Provided is a molten-state suspended ellipsoidal droplet (1) image processing algorithm based on dual-camera (4, 5) vision. The algorithm comprises: collecting standard ball images of a standard ball by means of two cameras (4, 5), and calculating, according to the collected standard ball images, the actual size corresponding to each single pixel of the images in the two cameras (4, 5); synchronously collecting images of a droplet (1) by using the two cameras (4, 5) at a specified included angle to obtain two images of the droplet (1); establishing an ellipsoidal quadric surface equation of the droplet (1), respectively detecting edge contour lines of the two images, and establishing elliptical contour line equations of the edge contour lines; introducing the specified included angle, and constructing an equation set according to relationships between parameters of the two elliptical contour line equations and the ellipsoidal quadric surface equation; solving the equation set, and calculating the length of each semi-axis of the droplet (1); and calculating the volume of the droplet (1) according to the length of each semi-axis.

IPC Classes  ?

• G01N 9/04 - Investigating density or specific gravity of materialsAnalysing materials by determining density or specific gravity by measuring weight of a known volume of fluids
• G01B 11/00 - Measuring arrangements characterised by the use of optical techniques
• G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
• G06T 7/13 - Edge detection
• G06T 7/62 - Analysis of geometric attributes of area, perimeter, diameter or volume

Abstract

A method for preparing a thermoelectric thick film, comprising: determining a brittle-plastic transition temperature of a thermoelectric material; rolling a bulk thermoelectric material in a temperature range between a brittle-plastic transition temperature thereof or more and a melting point thereof or less, in which parameters of the rolling treatment comprise: a linear speed of a roller of 0.01 to 10 mm/s, and preferably 0.1 to 5 mm/s, and a pressing amount of pressing roller at each time controlled to be 0.0005 to 0.1 mm, and preferably 0.001 to 0.05 mm; repeating the rolling treatment until a thermoelectric thick film having a predetermined thickness is obtained; and annealing the resulting thermoelectric thick film; the annealing treatment temperature is 100 to 800 °C, and preferably 300 °C to 500°C; and the annealing treatment is performed for 10 to 500 hours, and preferably 100 to 300 hours.

IPC Classes  ?

• C01B 19/04 - Binary compounds
• H01L 35/16 - Selection of the material for the legs of the junction using inorganic compositions comprising tellurium or selenium or sulfur

Abstract

6, wherein x represents the Pb vacancy concentration of A sites in a tungsten bronze crystal structure, and x is greater than 0.00 and smaller than or equal to 0.20.

IPC Classes  ?

• C04B 35/497 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates based on solid solutions with lead oxide
• C04B 35/626 - Preparing or treating the powders individually or as batches

Abstract

A cathode for a lithium-sulfur battery includes a sulfur-based composite layer having a porosity in a range of 60% to 99%; and a conductive polymer disposed atop the composite layer and within pores of the composite layer. Moreover, a method of forming a cathode for a lithium-sulfur battery includes providing a substrate; disposing a sulfur-based slurry layer on the substrate; freeze-drying the slurry layer to form a sulfur-based composite layer having a porosity in a range of 60% to 99%; and disposing a conductive polymer atop the composite layer and within pores of the composite layer.

IPC Classes  ?

• H01M 4/36 - Selection of substances as active materials, active masses, active liquids
• H01M 4/04 - Processes of manufacture in general
• H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof
• H01M 4/139 - Processes of manufacture
• H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 10/052 - Li-accumulators
• H01M 4/02 - Electrodes composed of, or comprising, active material

Abstract

x3-δδ, wherein M is any one or more of an alkali metal, an alkaline earth metal and a rare earth element, 0.1≤x≤1, W is tungsten, O is oxygen, and 0≤δ≤0.5. By doping nitrogen in a traditional tungsten bronze structure, nitrogen enters the tungsten-oxygen skeleton structure to replace part of the oxygen, thus resulting in the distortion of the crystal lattice, such that the crystal lattice becomes small, and the doped metal ions will not easily escape, thereby increasing the stability of the structure.

IPC Classes  ?

• C01G 41/00 - Compounds of tungsten
• C03C 27/12 - Laminated glass

Abstract

x3-δδ, where M is any one of an alkali metal element, an alkaline earth metal element and a rare earth element, 0.1 ≤ x ≤1, W is tungsten, O is oxygen, 0 ≤ δ ≤ 0.5, the shell is carbon, and the thickness of the shell is 1 nm-10 nm.

IPC Classes  ?

• C01G 41/00 - Compounds of tungsten
• C01B 32/15 - Nanosized carbon materials
• B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
• C03C 27/12 - Laminated glass
• C03C 17/00 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating
• C08L 29/14 - Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
• C08K 9/10 - Encapsulated ingredients
• C08K 3/04 - Carbon
• C08K 3/22 - OxidesHydroxides of metals
• C08J 5/18 - Manufacture of films or sheets
• C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
• C08J 3/22 - Compounding polymers with additives, e.g. colouring using masterbatch techniques
• C09D 183/04 - Polysiloxanes
• C09D 7/62 - Additives non-macromolecular inorganic modified by treatment with other compounds
• D01F 1/10 - Other agents for modifying properties

Abstract

xy-z25-z5-z.

IPC Classes  ?

• H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
• H01M 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
• H01M 4/86 - Inert electrodes with catalytic activity, e.g. for fuel cells
• H01M 4/00 - Electrodes

Abstract

Provided are a high-purity SiC ceramic prepared by normal-pressure solid-phase sintering and a preparation method therefor. The preparation method for the high-purity SiC ceramic comprises: (1) adding α-SiC powder and an aqueous solution containing a sintering aid into a solvent and mixing to obtain SiC slurry, wherein the sintering aid comprises a B source and a C source, the B source is boric acid, and the C source is selected from at least one of D-fructose and glucose; (2) drying and forming the SiC slurry to obtain an SiC blank; (3) conducting vacuum debonding to the SiC blank, placing the debonded SiC blank in an inert atmosphere, and sintering for 30-120 minutes at 2,050°C-2,250°C to obtain the high-purity SiC ceramic. The addition amount of the element B in the B source accounts for 0.1-1wt% of the mass of the α-SiC powder, and the addition amount of the element C in the C source does not exceed 5 wt% of the mass of the α-SiC powder.

IPC Classes  ?

• C04B 35/565 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbides based on silicon carbide
• C04B 35/575 - Fine ceramics obtained by pressure sintering

Abstract

η(I), in which 0≤δ<0.5, 0≤η<0.5, X is at least one of Cu, Au, Fe, Co, Ni, Zn, Ti, or V, and Y is at least one of N, P, As, Sb, Se, Te, O, Br, Cl, I, or F. The material can withstand certain deformations, similar to organic materials, and has excellent semiconductor properties with adjustable electrical properties, thereby enabling the preparation of high-performance flexible semiconductor devices.

IPC Classes  ?

• C30B 29/46 - Sulfur-, selenium- or tellurium-containing compounds
• C01B 19/00 - SeleniumTelluriumCompounds thereof
• C30B 11/02 - Single-crystal-growth by normal freezing or freezing under temperature gradient, e.g. Bridgman- Stockbarger method without using solvents
• C30B 11/10 - Solid or liquid components, e.g. Verneuil method
• C30B 28/02 - Production of homogeneous polycrystalline material with defined structure directly from the solid state
• C30B 33/02 - Heat treatment
• H01L 29/24 - Semiconductor bodies characterised by the materials of which they are formed including, apart from doping materials or other impurities, only inorganic semiconductor materials not provided for in groups , ,  or

Abstract

A lithium-sulfur battery includes: a substrate; a composite cathode disposed on the substrate; a solid-state electrolyte disposed on the composite cathode; and a lithium anode disposed on the solid-state electrolyte, such that the composite cathode comprises: active elemental sulfur, conductive carbon, sulfide electrolyte, and ionic liquid.

IPC Classes  ?

• H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
• H01M 4/66 - Selection of materials
• H01M 4/36 - Selection of substances as active materials, active masses, active liquids
• H01M 10/0562 - Solid materials
• H01M 10/0565 - Polymeric materials, e.g. gel-type or solid-type
• H01M 10/052 - Li-accumulators
• H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx

Abstract

A lithium-sulfur battery includes a substrate; a sulfur cathode disposed on the substrate; a coating layer disposed on the cathode; a first interlayer disposed on the coating layer; a solid-state electrolyte disposed on the first interlayer; a second interlayer disposed on the electrolyte; and a lithium anode disposed on the second interlayer, such that the coating layer is further disposed within pores of the cathode.

IPC Classes  ?

• H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 10/052 - Li-accumulators
• H01M 10/0562 - Solid materials

Abstract

A magnetic restoration method for a silicate artefact employs magnetic mediums which enable fragments (1) of a silicate artefact to attract and connect to each other.

IPC Classes  ?

• B44C 5/00 - Processes for producing special ornamental bodies

Abstract

3, wherein 0

IPC Classes  ?

• C04B 35/053 - Fine ceramics
• C04B 35/443 - Magnesium aluminate spinel
• C04B 35/64 - Burning or sintering processes
• C04B 35/634 - Polymers
• C04B 35/638 - Removal thereof
• H01B 3/12 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of inorganic substances ceramics

Abstract

Provided is a material high-temperature dielectric performance test system, comprising: a vector network analyzer (1), an electronic computer (2), a heating furnace (3), a wave guide tube (4), a test chamber (5), a sample rod (6), a vacuum pump (7), and an inflation apparatus (8); the waveguide tube (4) is fixed on the heating furnace (3) by means of a positioning flange (41), one end being connected to the vector network analyzer (1) and the other end being connected to the test chamber (5); a sample to be tested (10) is placed in the test chamber (5); the test chamber (5) and the sample to be tested (10) are placed in an effective hot zone of the heating furnace (3); the means of heating of the heating furnace (3) is microwave heating; the heating furnace chamber (31) is a closed space; the heating chamber (31) uses an air environment, or, in combination with the vacuum pump (7), achieves a vacuum environment in the furnace, or, in combination with the inflatable apparatus (8), achieves an inert atmosphere environment; a microwave signal is introduced by means of the waveguide tube (4), passes through the sample to be tested (10), then is then drawn out by means of the waveguide tube (4), and then enters the vector network analyzer (1), the analysis data of the vector network analyzer (1) being finally transmitted to the electronic computer (2). The present system achieves more efficient, fast, and energy-saving high-temperature dielectric performance testing.

IPC Classes  ?

• G01N 27/22 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance

Abstract

3+eMgO+fAl2O3+gCaO+hSiO2, wherein a, b, c, d, e, f, g, and h are the molar percentage of each component, 20≤a≤50 mol %, 15≤b≤30 mol %, 10≤c≤20 mol %, 0≤d≤10 mol %, 0≤e≤35 mol %, 0≤f≤6 mol %, 0≤g≤6 mol %, 0≤h≤1 mol %, and a+b+c+d+e+f+g+h=100 mol %.

IPC Classes  ?

• C04B 35/468 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
• C04B 35/47 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on strontium titanates
• C04B 35/64 - Burning or sintering processes
• C04B 35/634 - Polymers
• C04B 35/626 - Preparing or treating the powders individually or as batches

Abstract

Disclosed is a surface tension measurement method based on an axisymmetric droplet contour curve. The method comprises the following steps: photographing a suspended droplet image, and extracting a droplet contour curve (1); selecting a measuring point (4) on the droplet contour curve (1); and measuring a geometrical parameter related to the selected measuring point (4) on the droplet contour curve (1), and calculating the surface tension of a liquid by means of an equation: [equation 1], where σ is the surface tension of the liquid, Δρ is the density difference between the liquid and the atmosphere, g is the local gravitational acceleration, P is the pressure at a cross section, taken along a horizontal plane passing through the measuring point (4), of the droplet, R is the radius of a circular face, taken along the horizontal plane passing through the measuring point (4), formed by the droplet, θ is an inclination angle between a tangential line of the measuring point (4) on the droplet and the horizontal plane, and V is the droplet volume below the cross section, taken along the horizontal plane passing through the measuring point (4), of the droplet. The number of samples required in the measuring method is small, the calculating process of the method is simple, and the method is convenient and quick.

IPC Classes  ?

• G01N 13/02 - Investigating surface tension of liquids

Abstract

232323232323232323233-YAG amorphous ceramic coating.

IPC Classes  ?

• C23C 4/11 - Oxides
• C23C 4/134 - Plasma spraying
• C04B 35/10 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on aluminium oxide
• C04B 35/50 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare earth compounds
• C04B 35/505 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare earth compounds based on yttrium oxide
• B22F 9/14 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes using electric discharge

Abstract

The present invention relates to an electrolyte for a lithium-air battery or a lithium-copper battery. The electrolyte comprises a lithium salt, an organic solvent and an additive, wherein the additive is an ionic organic halogen compound consisting of a halogen ion and an organic cation, and the molar concentration of the additive in the electrolyte is 0.01-1 mol/L.

IPC Classes  ?

• H01M 10/0567 - Liquid materials characterised by the additives

Abstract

21-xxx), M is at least one of Se and Te, and 0.001 ≤ x ≤ 0.9.

IPC Classes  ?

• H01L 35/16 - Selection of the material for the legs of the junction using inorganic compositions comprising tellurium or selenium or sulfur

Abstract

Provided is a laser heating system for arrayed samples, the system comprising: a laser light source unit for outputting laser light to provide heating energy, wherein the laser light source unit is provided with multiple lasers (101) arranged in parallel or in an array; a laser beam spot adjusting unit (102) arranged downstream of the laser light source unit to change a laser light spot size; a sample table (111) for bearing arrayed samples; a temperature measurement unit (105) for measuring the laser heating temperature for the arrayed samples to be heated and feeding back a heating effect; an image recording unit (106) for recording an experimental result; and a general control unit connected to the laser light source unit, the temperature measurement unit, the image recording unit, etc. According to the system, multi-beam parallel and beam spot adjustable laser heating can be realized, and the system is used for performing rapid and directional heating of the arrayed material samples required during material gene engineering.

IPC Classes  ?

• B23K 26/362 - Laser etching
• C21D 1/34 - Methods of heating

Abstract

2 crystal and has an excellent fast/slow scintillation component ratio. The doped crystal is coupled to an optical detector to obtain a scintillation probe which is applicable to the fields of high time resolved measurement radiation such as high-energy physics, nuclear physics, ultrafast imaging and nuclear medicine imaging.

IPC Classes  ?

• C09K 11/77 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing rare earth metals
• C30B 11/02 - Single-crystal-growth by normal freezing or freezing under temperature gradient, e.g. Bridgman- Stockbarger method without using solvents
• C30B 28/06 - Production of homogeneous polycrystalline material with defined structure from liquids by normal freezing or freezing under temperature gradient
• C30B 29/12 - Halides
• G01T 1/20 - Measuring radiation intensity with scintillation detectors
• G01T 1/202 - Measuring radiation intensity with scintillation detectors the detector being a crystal
• C30B 15/04 - Single-crystal growth by pulling from a melt, e.g. Czochralski method adding crystallising materials or reactants forming it in situ to the melt adding doping materials, e.g. for n–p-junction
• C30B 28/10 - Production of homogeneous polycrystalline material with defined structure from liquids by pulling from a melt

Abstract

Provided are a furnace body for a thermal analysis instrument, which is capable of realizing rapid temperature rise and fall, and a thermal analysis instrument provided with the same, wherein, the furnace body comprises a hollow furnace main body (100), a heating system (90) and a refrigeration system (80) located below the furnace main body (100); the cross-section of the furnace main body (100) is dumbbell-shaped, two symmetrical sample cavities are provided inside the furnace main body (100), and a hole (7) is provided at the central portion as a ventilation channel for gas circulation in the cavity; the heating system (90) comprises two or more heat-conductive posts and two or more sets of heaters wrapped around the outer surface of the heat-conductive posts; the refrigeration system (80) comprises a hollow cold-conductive member (20) with one end being closed as a cold transfer surface (11) and the other end being open, a hollow refrigerant nozzle (19) that is nested inside the cold-conductive member (20) with a gap, a refrigerant inlet pipe (17) and a refrigerant outlet pipe (18) located at an open end side of a cooling guide (20), and a transition joint (23) respectively sealedly connected to the open end of the cold-conductive member (20) and the end of the refrigerant nozzle (19) away from the cold transfer surface (11); a plurality of heat-conductive posts are arranged below the two symmetrical sample cavities of the furnace main body (100) and are distributed in an axis symmetry; the heater includes heating wires symmetrically wrapped on the heat-conductive post; the inner wall of the refrigerant nozzle (19) and the transition joint (23) form a refrigerant inner cavity (81); the outer wall of the refrigerant nozzle (19) and the inner wall of the heat-conductive member (20) form a refrigerant outer cavity (82); the refrigerant inlet pipe (17) is in communication with the refrigerant inner cavity (81), and the refrigerant outlet pipe (18) is in communication with the refrigerant outer cavity (82).

IPC Classes  ?

• G01N 25/00 - Investigating or analysing materials by the use of thermal means

Abstract

A silicon nitride ceramic material for a mobile phone back plate and a preparation method therefor. The method comprises: using a mixture of a silicon source, a colorant, and a sintering aid as raw materials, mixing the raw material components, and performing shaping and sintering to obtain the silicon nitride ceramic material. The toughness of the silicon nitride ceramic material can reach more than 12 MPa • m1/2; the thermal conductivity thereof can reach 40-70 W/m • K; and the dielectric loss thereof is 10-4.

IPC Classes  ?

• C04B 35/584 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on borides, nitrides or silicides based on silicon nitride
• C04B 35/622 - Forming processesProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products
• H04M 1/02 - Constructional features of telephone sets

Abstract

Disclosed are a preparation method of alumina ceramic and an application thereof. The preparation method comprises: S1: adding an alumina powder and a sintering aid powder to a deionized water solvent, then adding a pore structure regulator, and ball milling same to obtain a mixed slurry; S2: freezing the mixed slurry and then placing same in a freeze dryer for shaping same to obtain a well shaped biscuit; S3: subjecting the biscuit to an adhesive removal treatment so that organic matter is fully removed, so as to obtain a sample; and S4: sintering the sample to obtain the alumina ceramic. The prepared alumina ceramic can be used for increasing the surface flashover voltage of an insulating material.

IPC Classes  ?

• C04B 35/10 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on aluminium oxide

Abstract

A cathode for a lithium-sulfur battery includes a sulfur-based composite layer having a porosity in a range of 60% to 99%; and a conductive polymer disposed atop the composite layer and within pores of the composite layer. Moreover, a method of forming a cathode for a lithium-sulfur battery includes providing a substrate; disposing a sulfur-based slurry layer on the substrate; freeze-drying the slurry layer to form a sulfur-based composite layer having a porosity in a range of 60% to 99%; and disposing a conductive polymer atop the composite layer and within pores of the composite layer.

IPC Classes  ?

• H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
• H01M 4/1395 - Processes of manufacture of electrodes based on metals, Si or alloys
• H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
• H01M 4/60 - Selection of substances as active materials, active masses, active liquids of organic compounds
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 10/052 - Li-accumulators
• H01M 4/36 - Selection of substances as active materials, active masses, active liquids
• H01M 4/1397 - Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
• H01M 4/02 - Electrodes composed of, or comprising, active material

Abstract

xyy, wherein x is greater than or equal to 0.4 but is less than or equal to 1.2, preferably the x is greater than or equal to 0.44 but is less than or equal to 1, or more preferably the x is greater than or equal to 0.45 but is less than or equal to 0.67, and y is greater than or equal to 0. 5 but is less than or equal to 3, preferably the y is greater than or equal to 0.5 but is less than or equal to 2.5, or more preferably the y is greater than or equal to 0.5 but is less than or equal to 2.

IPC Classes  ?

• G02F 1/15 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
• G02F 1/153 - Constructional details

Abstract

Regarding the problem of low signal intensity during material analysis using existing radio frequency glow discharge mass spectrometry, an apparatus and method for enhancing signal intensity of radio frequency glow discharge mass spectrometry are provided, so as to enhance the signal intensity during inorganic material analysis using a radio frequency glow discharge mass spectrometer. The apparatus comprises: a sample introduction means having a sample introduction rod (10) and having a sample (4) fixed thereon; and an array magnet enhancement portion having a housing (5) and magnets (6) arranged in array. The array magnet enhancement portion is fixed between the sample introduction rod (10) in the sample introduction means and the sample (4) and is tightly attached to the sample (4).

IPC Classes  ?

• G01N 27/68 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosolsInvestigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electric discharges, e.g. emission of cathode using electric discharge to ionise a gas

Abstract

The present invention provides an ion reagent capable of treating myocardial infarction, and a preparation method therefor and an application thereof. The ion reagent comprises: a liquid having biocompatibility and a bioactive ion dispersed in the liquid, the bioactive ion being selected from at least one of Si, Sr, Mg, Zn, Cu, Co, Mn and Ca ions.

IPC Classes  ?

• A61K 33/34 - CopperCompounds thereof
• A61K 33/24 - Heavy metalsCompounds thereof
• A61K 33/06 - Aluminium, calcium or magnesiumCompounds thereof
• A61K 33/32 - ManganeseCompounds thereof
• A61K 33/30 - ZincCompounds thereof
• A61K 9/08 - Solutions
• A61P 9/10 - Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
• A61P 9/00 - Drugs for disorders of the cardiovascular system

Abstract

A controllable splitting method comprises: electrically connecting a photoconductive switch between input and output ends of a current pulse; connecting a time domain signal of the input current pulse to an external triggering port of a pulse laser; emitting a laser pulse to irradiate the switch; when no current pulse is input, failing to receive an external triggering signal and not outputting the laser pulse, the switch being in an off state without the irradiation of the laser pulse, and no current being output; when the current pulse is input, triggering the pulse laser to synchronously output the laser pulse on a time domain, irradiating the switch so that the switch is in an on state and the current pulse is output; and forming, at the output end, a current pulse signal synchronous with a time domain of the input end and having a split waveform.

IPC Classes  ?

• H03B 19/06 - Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes
• H03K 5/04 - Shaping pulses by increasing durationShaping pulses by decreasing duration
• H03K 17/78 - Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled

Abstract

Disclosed is a salt removing well for a cultural relic, having an internal unit and an external unit; the internal unit comprises a housing (3) and a salt solution migration passage (7) located in the housing (3); the external unit comprises a crystallization box (8) connected to the salt solution migration passage (7); both the inside of the salt solution migration passage (7) and the inside of the crystallization box (8) are filled with a material having water absorption performance. The salt removing well for a cultural relic reduces damage caused by soluble salt to a cultural relic, particularly to large and unmovable cultural remains such as a stone cultural relic, an earthen archaeological site, or a fresco.

IPC Classes  ?

• B08B 3/04 - Cleaning involving contact with liquid
• B01D 9/02 - Crystallisation from solutions

Abstract

2- δδ1- ηηη (I), in which 0 ≤ δ < 0.5, 0 ≤ η < 0.5, X is at least one of Cu, Au, Fe, Co, Ni, Zn, Ti, or V, and Y is at least one of N, P, As, Sb, Se, Te, O, Br, Cl, I, or F. The material can withstand certain deformations, similar to organic materials, and has excellent semiconductor properties with adjustable electrical properties, thereby enabling the preparation of high-performance flexible semiconductor devices.

IPC Classes  ?

• C30B 29/46 - Sulfur-, selenium- or tellurium-containing compounds
• H01L 35/16 - Selection of the material for the legs of the junction using inorganic compositions comprising tellurium or selenium or sulfur

Abstract

The invention relates to a crucible for crystal growth and a method for releasing thermal stress of silicon carbide crystals. The crucible is a crucible in contact with the side surface of the prepared crystals, and the crucible has an annular non-closed splicing structure. The crucible for the crystal growth has the annular non-closed splicing structure, so that the crystals can be prevented from being hooped, hot stress concentrated in the crystals in the growth process of the crystals can be effectively released, the fracturing rate of the crystals can be reduced, and the finished product rate of the crystals can be increased.

IPC Classes  ?

• C30B 23/00 - Single-crystal growth by condensing evaporated or sublimed materials
• C30B 29/36 - Carbides

Abstract

2, wherein a, b, c, d, and e are the mole percentage of each component, 15≤a≤35 mol %, 0≤b≤2 mol %, 30≤c≤84 mol %, 0.5≤d≤25 mol %, 0.5≤e≤15 mol %, and a+b+c+d+e=100 mol %.

IPC Classes  ?

• C04B 35/46 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on titanium oxides or titanates
• C04B 35/626 - Preparing or treating the powders individually or as batches
• C04B 35/64 - Burning or sintering processes
• C04B 35/634 - Polymers
• C04B 35/636 - Polysaccharides or derivatives thereof
• C01G 23/00 - Compounds of titanium
• C04B 35/465 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates
• H01G 4/12 - Ceramic dielectrics
• C01G 23/047 - Titanium dioxide

Abstract

Disclosed are a fluorescent ceramic having a characteristic micro-structure, a preparation method therefor and application thereof. The fluorescent ceramic is rich in micropores, and the air holes are uniformly distributed in a thickness direction or are gradiently distributed in the thickness direction. The probability of incident light being absorbed by fluorescent crystal particles is increased by means of the scattering action of the pores on light so as to improve the light emission efficiency of the fluorescent crystal particles; also, the light out rate of light at a fluorescent ceramic transmissive face is reduced by means of the design of the uniform distribution or gradient distribution of the pores, so that light is emitted from a reflection face as much as possible and is collected by a detector, thereby improving the light extraction rate.

IPC Classes  ?

• C04B 35/44 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on aluminates
• C04B 38/02 - Porous mortars, concrete, artificial stone or ceramic warePreparation thereof by adding chemical blowing agents
• C04B 35/10 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on aluminium oxide
• C04B 35/64 - Burning or sintering processes
• C09K 11/80 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing rare earth metals containing aluminium or gallium
• C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor

Abstract

Disclosed is a chalk for ceramic painting/marking. The chalk is a donor material containing a ceramic pigment and/or ceramic glaze with a usage temperature of 700ºC-850ºC or 1050ºC-1350ºC and in a certain shape, and same can be used to paint or mark a substrate. A preparation method of the chalk comprises the following steps: (1) the ceramic pigment and/or the ceramic glaze with a usage temperature of 700ºC-850ºC or 1050ºC-1350ºC is mixed with an auxiliary agent so as to prepare a pretreated material capable of being moulded; and (2) the pretreated material is moulded into a moulded object having a certain shape.

IPC Classes  ?

• C09D 13/00 - Pencil-leadsCrayon compositionsChalk compositions
• B43K 19/00 - Non-propelling pencilsStylesCrayonsChalks

Abstract

A solution cathode glow discharge plasma-atomic emission spectrum apparatus and method capable of performing direct gas sample introduction and used for detecting a heavy metal element. The solution cathode glow discharge plasma-atomic emission spectrum apparatus comprises a high-voltage power source, a ballast resistor, a hollow metal anode and a solution cathode. The hollow metal anode is connected to a positive electrode of the high-voltage power source by means of the ballast resistor, and the solution cathode is connected to a negative electrode of the high-voltage power source by means of a graphite electrode. The plasma apparatus is further configured in such a manner that a discharge region is formed between the hollow metal anode (10) and the solution cathode, and the hollow metal anode further serves as a sample introduction pipeline, so that gas to be detected enters the discharge region and is excited.

IPC Classes  ?

• G01N 21/67 - Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light electrically excited, e.g. electroluminescence using electric arcs or discharges
• H05H 1/48 - Generating plasma using an arc
• G01J 3/10 - Arrangements of light sources specially adapted for spectrometry or colorimetry
• G01J 3/443 - Emission spectrometry
• H05H 1/46 - Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy

Abstract

Disclosed herein are methods for forming a graphene film on a substrate, the methods comprising depositing graphene on a surface of the substrate by a first vapor deposition step to form a discontinuous graphene crystal layer; depositing a graphene oxide layer on the discontinuous graphene crystal layer to form a composite layer; and depositing graphene on the composite layer by a second vapor deposition step, wherein the graphene oxide layer is substantially reduced to a graphene layer during the second vapor deposition step. Transparent coated substrates comprising such graphene films are also disclosed herein, wherein the graphene films have a resistance of less than about 10 KΩ/sq.

IPC Classes  ?

• B32B 9/00 - Layered products essentially comprising a particular substance not covered by groups
• C01B 32/198 - Graphene oxide
• C23C 16/26 - Deposition of carbon only
• C01B 32/186 - Preparation by chemical vapour deposition [CVD]
• C01B 32/182 - Graphene
• C03C 17/22 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating with other inorganic material
• C23C 16/50 - Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges

Abstract

Disclosed are an yttrium-doped barium fluoride crystal and a preparation method and the use thereof, wherein the yttrium-doped barium fluoride crystal has a chemical composition of Ba(1-x)YxF2+x, in which 0.01≤x≤0.50. The BaF2 crystal of the present invention has improved scintillation performance. The yttrium doping may greatly inhabit the slow luminescence component of the BaF2 crystal and has an excellent fast/slow scintillation component ratio. The doped crystal is coupled to an optical detector to make a scintillation probe which is applicable to the fields of high time resolution radiation such as high-energy physics, nuclear physics, ultra-high-speed imaging and nuclear medicine imaging.

IPC Classes  ?

• C30B 29/12 - Halides
• C30B 11/02 - Single-crystal-growth by normal freezing or freezing under temperature gradient, e.g. Bridgman- Stockbarger method without using solvents
• C30B 15/00 - Single-crystal growth by pulling from a melt, e.g. Czochralski method
• C30B 28/06 - Production of homogeneous polycrystalline material with defined structure from liquids by normal freezing or freezing under temperature gradient
• C30B 28/10 - Production of homogeneous polycrystalline material with defined structure from liquids by pulling from a melt
• G01T 1/202 - Measuring radiation intensity with scintillation detectors the detector being a crystal

Abstract

Disclosed are a fluorescent composite ceramic and a preparation method therefor and use thereof. The fluorescent composite ceramic comprises a continuous matrix Al2O3, and at least one fluorescent crystalline particle dispersedly distributed in the continuous matrix Al2O3, wherein the chemical formula of the fluorescent crystalline particle is Y3-x-y-zCexLuyGdzAl5-aGaaO12, wherein 0＜x＜0.3，0 ≤ y＜3，0 ≤ z＜1，and 0 ≤ a＜0.1. A sintering method for the fluorescent composite ceramic has a simple process and is quick, has a low sintering temperature, and is easily applied to mass production.

IPC Classes  ?

• C04B 35/44 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on aluminates
• C04B 35/622 - Forming processesProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products

Abstract

A composite ceramic including: a lithium garnet major phase; and a grain growth inhibitor minor phase, as defined herein. Also disclosed is a method of making composite ceramic, pellets and tapes thereof, a solid electrolyte, and an electrochemical device including the solid electrolyte, as defined herein.

IPC Classes  ?

• C04B 35/01 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides
• C04B 35/488 - Composites
• C04B 35/626 - Preparing or treating the powders individually or as batches
• C04B 35/64 - Burning or sintering processes
• H01B 1/08 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of other non-metallic substances oxides
• H01M 4/38 - Selection of substances as active materials, active masses, active liquids of elements or alloys
• H01M 10/052 - Li-accumulators
• H01M 10/0562 - Solid materials
• H01M 10/00 - Secondary cellsManufacture thereof

Abstract

A composite ceramic including: a lithium garnet major phase; and a grain growth inhibitor minor phase, as defined herein. Also disclosed is a method of making composite ceramic, pellets and tapes thereof, a solid electrolyte, and an electrochemical device including the solid electrolyte, as defined herein.

IPC Classes  ?

• H01M 10/0562 - Solid materials
• H01M 10/052 - Li-accumulators
• C04B 35/486 - Fine ceramics
• C04B 35/495 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates
• C04B 35/64 - Burning or sintering processes
• C04B 35/48 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on zirconium or hafnium oxides or zirconates or hafnates
• C04B 35/626 - Preparing or treating the powders individually or as batches
• C04B 35/01 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides
• C04B 35/488 - Composites

Abstract

A testing method for the sheet resistance of a sheet material, comprising: mounting two circular or annular electrodes on the surface of the sheet material; measuring the resistance between the electrodes; and calculating the sheet resistance of the sheet material on the basis of a theoretical model from the resistance measured between the electrodes, the diameters of the electrodes, and the distance between the electrodes. The method places no restriction on the diameters of the electrodes; also, the annular electrodes work as effectively as circular electrodes, and annular electrodes may improve the contact between the edges of the electrodes, and the sheet material.

IPC Classes  ?

• G01N 27/04 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance

Abstract

A testing method for the sheet resistance and contact resistance of connecting point of a sheet material, comprising: mounting at least four small electrodes on the surface of the sheet material; measuring the resistance between the electrodes; and calculating the sheet resistance and electrode contact resistance of the sheet material on the basis of a theoretical model from the resistance measured between the electrodes and the distances between the electrodes. As a main feature, the testing method is a convenient nondestructive testing method for the sheet resistance and electrode contact resistance of the sheet material, and has no strict requirement on the distribution of electrodes.

IPC Classes  ?

• G01R 27/02 - Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
• G01R 27/20 - Measuring earth resistanceMeasuring contact resistance of earth connections, e.g. plates
• G01R 31/02 - Testing of electric apparatus, lines, or components for short-circuits, discontinuities, leakage, or incorrect line connection

Abstract

The present invention relates to a crucible for the growth of a silicon carbide crystal, comprising a raw material cavity (2) for holding the raw materials for the growth of the SiC crystal; a growth cavity (1) nested within the upper part of the raw material cavity (2) with relative movement to form a crystalline region of a crystal, wherein the growth cavity (1) has a growth chamber (4) and a seed pad (3) arranged on the top wall of the growth chamber (4). The crucible of the present invention can adjust the distance between the surface of the crystal and the surface of the raw materials during growth, and can maintain the stability of the temperature field, thereby being a crucible for the growth of a silicon carbide crystal for growing high quality silicon carbide crystals.

IPC Classes  ?

• C30B 29/36 - Carbides
• C30B 23/02 - Epitaxial-layer growth

Abstract

A liquid cathode glow discharge plasma-atomic emission spectrum apparatus and method capable of performing direct gas sampling and used for detecting a heavy metal element. The liquid cathode glow discharge plasma-atomic emission spectrum apparatus comprises a high-voltage power source, a snubber resistor (22), a hollow metal anode (10) and a liquid cathode. The hollow metal anode (10) is connected to a positive electrode of the high-voltage power source by means of the snubber resistor (22), and the liquid cathode is connected to a negative electrode of the high-voltage power source by means of a graphite electrode (9). The plasma apparatus is further formed into the following structure: a discharge region (11) is formed between the hollow metal anode (10) and the liquid cathode, and the hollow metal anode (10) further serves as a sampling pipeline, so that gas to be detected enters the discharge region (11) and is excited. The apparatus is simple, has a small volume, is convenient to install, is low in running power consumption, is operated at atmospheric pressure, requires no atomizer, requires no vacuum system, easily achieves miniaturization, performs sampling in the form of gas, does not affect plasma stability thereof, has high sensitivity in metal element analysis, and is applicable to the analysis of a metal element in gas.

IPC Classes  ?

• G01N 21/67 - Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light electrically excited, e.g. electroluminescence using electric arcs or discharges

Abstract

A controllable splitting method for a large current pulse and an apparatus therefor. The method comprises: electrically connecting a silicon carbide photo-conductive switch between input and output ends of a current pulse; connecting a time domain signal of the input current pulse to an external triggering port of a pulse laser; the pulse laser emitting a laser pulse to irradiate a switch; when no current pulse is input at the input end, the pulse laser failing to receive an external triggering signal and not outputting the laser pulse, the switch being in a disconnected state without the irradiation of the laser pulse, and no current being output at the output end; when the current pulse is input at the input end, the time domain signal triggering the pulse laser, so that the pulse laser synchronously outputs the laser pulse on a time domain, and the laser pulse irradiating the switch, so that the switch is in a conducting state and the current pulse is output from the output end; and the form of the output current pulse being controlled by a parameter of the switch, thereby forming, at the output end, a current pulse signal synchronous with a time domain of the input end and having a split form.

IPC Classes  ?

• H03K 5/04 - Shaping pulses by increasing durationShaping pulses by decreasing duration
• H03K 17/78 - Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled

Abstract

A high temperature fixture, said fixture comprising: at least three noble metal electrodes arranged in parallel, among which two adjacent noble metal electrodes are used for clamping a test sample; noble metal wires connected to the noble metal electrodes at one end, and to a test device at the other end for transmitting test signals generated by the test sample to the test device through the noble metal electrodes; and a thermocouple for measuring the temperature of the test materials.

IPC Classes  ?

• G01K 13/00 - Thermometers specially adapted for specific purposes
• G01K 17/00 - Measuring quantity of heat
• G01K 7/02 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using thermoelectric elements, e.g. thermocouples
• G01R 31/28 - Testing of electronic circuits, e.g. by signal tracer
• G01R 27/02 - Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
• G01R 1/04 - HousingsSupporting membersArrangements of terminals
• G01R 19/22 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of AC into DC
• G01N 27/04 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance

Abstract

The present invention relates to a surface modification method for a polyether-ether-ketone material. The method combines physical and chemical methods, and comprises the steps of performing plasma immersion ion implantation on the surface of the polyether-ether-ketone material with argon as an ion source, and then, soaking the polyether-ether-ketone material treated by plasma immersion ion implantation in a hydrogen peroxide aqueous solution, hydrofluoric acid aqueous solution, or ammonia water to make the surface of the modified polyether-ether-ketone material have nanoparticles, shallow nanoporous structures, and/or ravined nanostructures.

IPC Classes  ?

• C08J 7/14 - Chemical modification with acids, their salts or anhydrides
• C08J 7/12 - Chemical modification
• C08J 5/04 - Reinforcing macromolecular compounds with loose or coherent fibrous material
• A61L 27/18 - Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds

Abstract

A testing method for the block capacitance of a sheet material (1), comprising: mounting two circular or annular electrodes, A and B, on the surface of the sheet material (1); measuring the resistance between the electrodes, A and B; and calculating the block resistance of the sheet material (1) on the basis of a theatrical model from the resistance measured between the electrodes, A and B, the diameters of the electrodes, A and B, and the distance between the electrodes, A and B. The method places no restriction on the diameters of the electrodes, A and B; also, annular electrodes, A and B, and circular electrodes, A and B, have identical functions, and the circular or annular electrodes, A and B, also improve the contact between the edges of the electrodes, A and B, and the sheet material.

IPC Classes  ?

• G01R 27/02 - Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
• G01N 27/04 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance

Abstract

A testing method for the block resistance and junction contact resistance of a sheet material, comprising: mounting at least four electrodes on the surface of the sheet material; measuring the resistance among the electrodes; and calculating the block resistance and electrode contact resistance of the sheet material on the basis of a theoretical model from the resistance measured among the electrodes and the distances among the electrodes. The testing method is primarily characterized in being simple and convenient, is a nondestructive testing method for the block resistance and electrode contact resistance of the sheet material, and has no strict requirement on the distribution of electrodes.

IPC Classes  ?

• G01R 27/02 - Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant

Abstract

The invention relates to an ultralong hydroxyapatite nanowire/microwire, a method of preparing the same, a hydroxyapatite paper comprising the same and a preparation method thereof, and provides an ultralong hydroxyapatite nanowire/microwire having a length of tens to hundreds of micrometers and a diameter of tens to hundreds of nanometers. There is also provided a method of preparing the ultralong hydroxyapatite nanowire/microwire, a hydroxyapatite paper comprising the ultralong hydroxyapatite nanowire/microwire, and a method of preparing the hydroxyapatite paper.

IPC Classes  ?

• D21H 13/46 - Non-siliceous fibres, e.g. from metal oxides
• C01B 25/32 - Phosphates of magnesium, calcium, strontium, or barium
• A61L 27/12 - Phosphorus-containing materials, e.g. apatite
• C04B 35/447 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on phosphates
• C04B 35/622 - Forming processesProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products
• D01F 9/08 - Man-made filaments or the like of other substancesManufacture thereofApparatus specially adapted for the manufacture of carbon filaments of inorganic material
• D21H 21/52 - Additives of definite length or shape
• A61L 27/42 - Composite materials, i.e. layered or containing one material dispersed in a matrix of the same or different material having an inorganic matrix
• C04B 35/63 - Preparing or treating the powders individually or as batches using additives specially adapted for forming the products
• C04B 35/634 - Polymers
• D21H 17/68 - Water-insoluble compounds, e.g. fillers or pigments siliceous, e.g. clays
• B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
• B82Y 40/00 - Manufacture or treatment of nanostructures

Abstract

Disclosed is a novel lithium-air battery based on a high-density solid electrolyte. The lithium-air battery comprises: a negative electrode, a porous oxygen electrode, and a solid electrolyte layer sandwiched between the negative electrode and the porous oxygen electrode. The negative electrode material comprises lithium, a lithium alloy and/or a lithium-metal-containing composite. A porous conductive carrier, a catalyst, ion conductor material, lithium salts and/or an adhesive are uniformly mixed and dried to obtain the porous oxygen electrode. The solid electrolyte layer material comprises a lithium lanthanum zirconium oxide-based ceramic, a lithium lanthanum titanium oxide-based ceramic, a lithium aluminum titanium phosphate-based ceramic and/or a lithium silicophosphate-based ceramic.

IPC Classes  ?

• H01M 12/08 - Hybrid cellsManufacture thereof composed of a half-cell of a fuel-cell type and a half-cell of the secondary-cell type

Abstract

−3, and the titanium oxide-based supercapacitor electrode material has a specific capacitance 20 F/g to 1,740 F/g at a charge/discharge current of 1 A/g.

IPC Classes  ?

• H01G 11/46 - Metal oxides
• H01G 11/86 - Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
• C04B 35/622 - Forming processesProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products
• C04B 35/628 - Coating the powders
• C01G 23/04 - OxidesHydroxides
• H01G 11/38 - Carbon pastes or blendsBinders or additives therein

Abstract

Provided is (1‐x‐y)Pb(In1/2Nb1/2)O3‐yPb(Mg1/3Nb2/3)O3‐xPbTiO3, which is doped with Mn and Fe and prepared using an improved Bridgman method, wherein 0.15≤1‐x‐y≤0.38, 0.36≤y≤0.57, and 0.26≤x≤0.30, the crystallographic direction is [111], and the Curie temperature thereof is improved greatly compared with that of a relaxation ferroelectric single crystal (1-x)Pb(Mg1/3Nb2/3)O3-xPbTiO3 which is doped with Mn.

IPC Classes  ?

• C30B 29/22 - Complex oxides
• C30B 29/32 - TitanatesGermanatesMolybdatesTungstates
• C30B 29/30 - NiobatesVanadatesTantalates
• C30B 11/00 - Single-crystal-growth by normal freezing or freezing under temperature gradient, e.g. Bridgman- Stockbarger method
• H01L 37/02 - Thermoelectric devices without a junction of dissimilar materials; Thermomagnetic devices, e.g. using Nernst-Ettinghausen effect; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof using thermal change of dielectric constant, e.g. working above and below the Curie point

Abstract

A process method for inhibiting the crack formation and cracking of a manganese doped pyroelectric monocrystalline, wherein the chemical composition of the manganese doped pyroelectric monocrystalline is Mn-(1-x-y)Pb(In 1/2Nb 1/2)O 3-yPb(Mg 1/3Nb 2/3)O 3-xPbTiO 3, wherein x＝0.35-0.42, y＝0.30-0.45, 1-x-y＝0.20-0.29, and the doping level of Mn is 0-5.0%. The preparation method for the material is an improved Bridgman method, comprising the processes of synthesizing a raw material, warming and melting, seeding with a crystal seed and crystal growing. The method overcomes the disadvantages of easy crack formation on a crystal and crystal cracking because of the Mn doping in the prior art, and provides an implementation method for preparing a large size pyroelectric monocrystalline with a high quality, and increasing the yield and performance reliability.

IPC Classes  ?

• C30B 11/00 - Single-crystal-growth by normal freezing or freezing under temperature gradient, e.g. Bridgman- Stockbarger method
• C30B 29/22 - Complex oxides
• C30B 29/32 - TitanatesGermanatesMolybdatesTungstates