80 results about "High surface area" patented technology

High-surface area carbon nanotubes having targeted, or selective, oxidation levels and / or content on the interior and exterior of the tube walls are claimed. Such carbon nanotubes can have little to no inner tube surface oxidation, or differing amounts and / or types of oxidation between the tubes' inner and outer surfaces. Additionally, such high-surface area carbon nanotubes may have greater lengths and diameters, creating useful mechanical, electrical, and thermal properties.

The object of the present invention is polyphenylene oxide based film with crystalline nanoporous phases with surface area equal to or greater than 30 m2 / g, preferably greater than 100 m2 / g, and a procedure for the attainment thereof.

This invention belongs to the field of baicalin crystallization technology, and relates to a leaf-shaped baicalin crystal, its preparation method, and its application. The crystal has a leaf-like microstructure with a length ranging from 1 μm to 17 μm; the bulk density of the crystal is 0.1-0.2 g / mL, and the compactness is 0.2-0.4 g / mL. The leaf-shaped baicalin crystals provided by this invention are easy to compress into tablets and have a high surface area / volume ratio, which is beneficial for its adsorption and dissolution in vivo. The preparation process is simple to operate and can directionally prepare leaf-shaped baicalin crystals. The purity of the obtained leaf-shaped baicalin crystals can reach 93% or higher, significantly improving the chemical purity and forming a unique low bulk density physical property.

Our invention is about synthesis, fabrication, assembly, packaging, testing of asymmetric flexible supercapacitors utilizing bacterial cellulose, conducting polymer, activated carbon, aqueous electrolyte, having state-of-art pseudocapacitive properties; namely, high-power, high energy and high cycle life. The high capacitive performance of these types of supercapacitors is controlled by the chemical, physical, and electrical properties of the materials used for synthesis and fabrication methods for device assembly and packaging as described here-in. Bacterial cellulose is exposed as a high surface area, fibrous nanomaterial used as a source of carbon fiber for the fabrication of high-performance supercapacitor electrodes. The use of pyrolyzed bacterial cellulose, conducting polymer materials, aqueous electrolytes, non-toxic binders such as carboxy methyl cellulose dispersed in water, device fabrication, and packaging techniques produces batch production of flexible supercapacitors with high performance characteristics.

To provide materials and methods for mitigating the effects of halide species contained in a process stream.SOLUTION: The halide-containing process stream may be contacted with an abatement material combined with a solid, porous substrate comprising an active metal oxide and a non-acidic, high surface area support. The halide species in the process stream may react with the abatement material to produce a process stream that is essentially free of neutralized halide salts and halides. The neutralized salt can be attracted to and retained on the solid porous substrate.SELECTED DRAWING: Figure 1

ZTCs are used as active material for electrodes for supercapacitors. The ZTCs are generated from CaX or NaX templates. Carbon vapor deposition is performed utilizing acetylene, ethanol, or propylene. The ZTC-zeolite composition is graphitized, cooled, and undergoes an acid wash to remove the zeolite template. The ZTC generated from the process features a high surface area, and is operable for use as an active material in a supercapacitor. The supercapacitor can also feature an H2SO4 electrolyte.

The present invention relates to treating malignancies such as tumors or cancers by orally administering lyophilized compositions comprising arsenic to a subject in such need. Malignancies include various hematological malignancies, such as acute myeloid leukemia (AML) including acute promyelocytic leukemia (APL), myelodysplastic syndrome (MDS), multiple myeloma (MM) and lymphomas and solid tumors including glioblastoma multiforme and breast cancer. This invention relates to a novel formulation comprising a lyophilized compositions comprising arsenic. The present invention also relates to a method for lyophilizing the arsenic trioxide, preparing the oral formulation comprising lyophilized compositions comprising arsenic, and a method for treating a subject with malignancies using the oral formulation.

In a first embodiment, the disclosure relates to a graphitization furnace including a raw material inlet, a product outlet, and a channel 100 connecting the raw material inlet and the product outlet. The graphitization furnace further includes an ash outlet 110 in gas communication with the channel 100, the ash outlet 110 including an ash collection chamber 120, the ash collection chamber 120 including a hatch 160, and a high surface area body 130 removablely disposed within the ash collection chamber 120, and / or a cooling means 140.

This invention discloses a method for preparing pseudoboehmite with high specific surface area and high conversion rate by sand milling and hydrolysis, belonging to the field of materials chemistry. The method involves using high-purity aluminum isopropoxide purified by vacuum distillation as a dispersant, and sand milling and stirring under specific pH, temperature, and vacuum conditions to complete the hydrolysis and aging process. Microwave drying is then employed to obtain a sample with a specific surface area >350 cm². 2 Boehmite powder with an alumina conversion rate of ≥76% per g can be used for the production of laser crystal-grade alumina and gem-grade alumina, and is also suitable for use as a catalyst support; moreover, the preparation method is simple to operate, easy to control, and easy to industrialize.

The application discloses a glass fiber carrier with high specific surface area and a preparation method thereof, and belongs to the technical field of formula and preparation of the glass fiber carrier. The formula of the glass fiber carrier is as follows: 50-70 parts of SiO2, 10-20 parts of Al2O3, 5-10 parts of B2O3, 5-15 parts of CaO and / or MgO, 1-5 parts of Na2O and / or K2O, 10-20 parts of a pore forming agent, 1-3 parts of a surface activation stabilizer and 1-2 parts of a mineralizer. The structure of the surface activation stabilizer is shown in the drawing, the deuterium group of which improves the thermal stability, the aromatic ring structure of which enhances the pi-pi interaction with the surface of the fiber, and the uniform nanoparticle loading sites are formed through directional arrangement. The application solves the problems of low porosity and insufficient surface activity of the traditional glass fiber carrier, and has significant application value in the fields of catalysis and adsorption.

The application provides a continuous production method and system of calcium hydroxide with high whiteness and high specific surface area, and relates to the technical field of limestone deep processing. The continuous production method comprises the following steps: step one: continuously adding quicklime particles into the inlet of a primary digester, continuously adding digestion water and an additive into the inlet of the primary digester, and carrying out premixing and pre-digestion under stirring conditions; step two: continuously introducing the discharge of the primary digester into a secondary digester, continuously adding digestion water and an additive into the inlet of the secondary digester, and stirring and digesting and aging; step three: the discharge of the secondary digester is sequentially introduced into a tertiary digester, a quaternary digester and a quinary digester for digestion and aging, and the product is obtained after grading by a grader. The method can continuously prepare calcium hydroxide with high whiteness and high specific surface area, and has the characteristics of simple process, short time consumption, remarkable effect and low energy consumption, and has been applied in actual production and has good use effect.

The present invention relates to an anode-free battery cell comprising a cathode, an electrolyte and an electronic conductor provided at the anode side of the battery cell, wherein the battery cell further comprises a high surface area substrate provided between the cathode and the electronic conductor, wherein at least a portion of a surface of the high surface area substrate contacts at least a portion of a surface of the electronic conductor, wherein the high surface area substrate (4) has a porosity of at least 40% as measured by X-ray computed tomography, and wherein the high surface area substrate (4) comprises an organic compound and / or an inorganic compound comprising lithium lanthanum zirconium oxide and / or a silica polymorph. The present invention further relates to an anode-free battery comprising a stack of between 2 and 20 inventive anode-free battery cells.

The present disclosure relates to a solvent-free composition, electrodes formed from said composition, cells formed from said electrode, battery systems including said cell and vehicles containing said battery system. The present disclosure also relates to methods of preparing said composition and electrode. The composition comprises cathode active material, binder and conductive additive. The conductive additive has a high surface area, such as a specific BET surface area of 50m2 / g or greater. The electrodes formed using the composition show excellent electrochemical performance and stability including long cycle life, high capacity retention, good flexibility and good adhesion.

Gels and aerogels are provided that comprise one or more polyoxometalate (POM)– complexed nanocrystal cores formed from metal oxides, metal hydroxides, and / or metal oxyhydroxides. Coordination of the nanocrystal surfaces by POM cluster anions imparts enhanced structural stability, surface accessibility, and electronic tunability relative to non- complexed materials. As a result, the POM-complexed nanocrystals exhibit improved performance in chemical, electrochemical, photochemical, and photoelectrochemical processes. Conversion of the POM–nanocrystal complexes into gel and aerogel architectures further enhances reactivity and functional versatility by providing interconnected, high-surface- area networks that retain exposed, catalytically active inorganic surfaces.

The invention belongs to the technical field of perovskite. The invention provides a functional layer for improving the stability of a perovskite thin film and a preparation method and application thereof. The functional layer comprises a novel covalent organic framework material (COFs material). The structures of the COFs materials can form fine micro / nano-scale pore diameters, and the COFs materials not only have high surface area, but also have stable non-polar vinyl bonds. In the COFs material, an azine unit of a lone electron pair is completely exposed to provide a strong hydrogen bond accepting site in a one-dimensional channel, so that the COFs material has excellent water absorption performance. The functional layer containing the COFs material can significantly reduce the erosion of water vapor to the perovskite film, and the stability of the perovskite device is greatly improved.

The invention relates to a preparation method and application of bowl-shaped polyaniline microspheres, and polyaniline microspheres with regular bowl-shaped morphology are synthesized by accurately controlling key parameters such as the oxidation degree of aniline monomers, the template size, the dosage of a polymerization initiator and the like. The bowl-shaped polyaniline microspheres are formed by self-assembly of polyaniline molecules, and the interior of each bowl-shaped polyaniline microsphere is provided with a continuous and uniformly-distributed nano-scale pore structure. Due to the unique bowl opening and bowl bottom sizes in the bowl-shaped microsphere structure, the microsphere has the characteristics of concave cavity, micron hollow hemisphere shape, nanoscale bowl wall thickness, high surface area-volume ratio and high porosity at the same time, more active sites can be provided, and the bowl-shaped microsphere structure can be used for supercapacitor electrodes, gas sensor electrodes and electromagnetic shielding materials.

This invention discloses a nickel oxide-doped manganese dioxide catalyst, its preparation method, and its application. The catalyst is prepared by in-situ growth of nickel oxide-doped manganese dioxide on a carbon felt substrate using a solvothermal method. In the application, the catalyst electrode is used as the anode, and an aromatic compound is dissolved in an acidic solution as the anolyte. A counter electrode is used in the cathode chamber, and an acidic solution is used as the cathode reaction solution. After the reaction, an aromatic aldehyde or aromatic ketone can be obtained through a post-treatment process. The catalyst of this invention has a high surface area and porous structure, which increases the specific surface area of ​​the electrode, providing a large number of reaction sites and active sites for the oxidation of the substrate. In addition, the doping of nickel oxide provides more active sites for manganese dioxide, promoting the formation of intermediates and also promoting the desorption of the aromatic aldehyde product, preventing the formation of aromatic acids due to over-oxidation. Furthermore, the nanorod-like three-dimensional structure of the catalyst is beneficial for mass transfer.

The invention described here-in includes the emulsion synthesis, processing, end-product and composition of encapsulated fertilizers and oils using alginate and select performance enhancing additives depending on the specific article's application. In some embodiments of the invention such as controlled fertilizer release, encapsulation longevity, fungal control, or insect repellency, the alginate-fertilizer and alginate-oil sponge are used as a slowly leaching and biodegradable capsule. The invention enables a mean for consumers to fertilize their plants without the addition of micro plastics to the soil, while acting as a mosquito repellent preventing the spread of arbo-viruses. The invention described here-in includes use of a mixture or individual additives: clay, calcined clay, cellulose, carboxymethyl cellulose and / or sodium polyacrylate used as thickeners and filler. Clays and calcined clays are used for their high surface area, adsorption and absorption properties, storing fertilizer for long term release, and adding structural integrity to the capsule.

The application belongs to the technical field of catalytic materials, and relates to preparation of a biomass-based nanometer micro-interface catalytic material activated by a microdroplet method and application of the biomass-based nanometer micro-interface catalytic material in the field of water treatment. The application comprises preparation of a biomass-based nanometer micro-interface catalytic material activated by a microdroplet method, and a piezoelectric catalyst base adopts a biomass fiber with a tubular structure, after surface modification, inorganic ions are embedded in the pipeline, and under the condition of magnetic induction rapid heating, rapid carbonization and crushing are carried out to obtain a catalytic material with super-high surface area and interface energy. The material can quickly migrate at the interface of the microdroplet through hydrophilic and hydrophobic effects, increase the surface tension and interface energy, thereby improving the catalytic performance of the microdroplet activation method, generating high-activity free radicals, and realizing rapid degradation of organic matters in water.

The utility model discloses an aeration outer pressure weeping willow type hollow pipe type membrane filter, including the shell, the bottom end of one side outer wall of shell is through having the water inlet pipe, the bottom end fixedly connected with aeration device of inner wall of shell, the bottom fixedly connected with the air inlet pipe of aeration device, the top fixedly connected with a plurality of spray heads of aeration device, the top end of the other side outer wall of shell is through having the frame, and the inner wall sleeve joint of frame has the plugging board, through setting hollow pipe type membrane, these membrane materials have higher surface area and good water permeability, can utilize the effective area of membrane in the filtering process maximum limit, through setting the connecting structure between a plurality of first threaded rods and screw caps, can fix a plurality of cross bars on the jack field, after taking out the plugging board from the frame, can dismantle and replace the cross bar of existing damage hollow pipe type membrane, not only has improved the filtering efficiency of the device, has further improved the service life of whole filter simultaneously.

The utility model discloses an oil mist collector. According to the technical innovation, a large-specification treatment space is constructed, firstly, oil mist is in contact with a partition wall of a turning-back part with a high surface area, and the effects of adsorption and temperature adjustment are achieved; then the oil mist is guided into the cavity and is separated out through a small-diameter micropore pipe, and the oil mist is collected through a filter; and heat is exchanged through the treatment tank in the process, so that the flowability of oil mist is ensured. In the aspect of construction, a plurality of branch pipes are arranged on the air inlet main pipe, the treatment tank comprises a pipe pass and a shell pass, the branch pipes are connected to the shell pass, the two sides of the output pipe are connected with the shell pass and the microporous pipe respectively, the filter is arranged on the microporous pipe, the microporous pipe converges into the exhaust main pipe, the exhaust main pipe is connected with the return part, and the return part is connected with the exhaust main pipe. The micropore pipe, the branch pipe and the air inlet main pipe are kept in the cavity, an access hole is formed in the cavity, and the working medium discharge pipe and the working medium inlet pipe are both connected to the tube pass of the treatment tank. The treatment capacity is higher, and the treatment efficiency is higher.

The present invention relates to a graphite and silicon composite and a lithium secondary battery including same. The graphite and silicon composite includes graphite with a high surface area. By using the graphite with a high surface area, an adhesion effect with silicon particles can be increased and pressure can be absorbed inside a negative electrode material when silicon expands. In addition, employment of the graphite and silicon composite as a negative electrode active material enables the provision of a lithium secondary battery that exhibits excellent initial efficiency, suppression of volume expansion, and excellent lifespan characteristics.

The invention discloses a V2O5-based all-solid-state capacitor and a preparation method, and relates to the technical field of functional energy storage material preparation, and the all-solid-state capacitor comprises two metal foil layers and a semi-cured film. The method comprises the following steps: preparing V2O5 nanofibers; adding PVA into deionized water, and uniformly stirring to obtain a first mixed solution; adding an H3PO4 solution, V2O5 nanofibers and MWCNT into the first mixed solution, and uniformly stirring to obtain a second mixed solution; drying the second mixed solution to obtain a semi-cured film; the semi-cured film is clamped between the two metal foils to form a solid flexible supercapacitor; curing the solid flexible supercapacitor to obtain a V2O5-based all-solid-state capacitor; the prepared all-solid-state capacitor is light, thin and soft, and compared with a capacitor in the prior art, the conductivity and the energy storage density of the capacitor are improved; and the V2O5 is a pseudocapacitance material, the energy storage density is improved through an electrochemical redox reaction, the specific capacitance of the all-solid-state capacitor has a high surface area, the raw materials are cheap and easy to obtain, and pollution is avoided.

The invention relates to the technical field of spacecraft thermal control, and discloses a commercial spaceflight energy storage and heat dissipation device which comprises a sealed force bearing shell located on the outer layer, a plurality of phase change material filling cavities are formed in the inner side of a heat conduction core body, and a plurality of liquid metal flow channels wound around the outer sides of the phase change material filling cavities are formed in the heat conduction core body. Each liquid metal flow channel comprises main flow channel cavities located at the two ends and a high-heat-conduction extension cavity located between the two main flow channel cavities, and the main flow channel cavities and the high-heat-conduction extension cavities are internally provided with closed micro-flow channels allowing liquid metal to flow. A high-thermal-conductivity liquid metal forced circulation loop and a high-latent-heat composite phase change material are deeply coupled through an embedded structure, and an extremely-short efficient heat transfer path is created; the extremely high heat conductivity coefficient and phase change latent heat of the liquid metal are combined with the high-heat-conductivity extension cavity with the high surface area on the outer side of the phase change material filling cavity, and rapid absorption and on-demand heat release of transient high heat flow are achieved.

The present disclosure relates to a porous liquid or a porous liquid enzyme system that includes a high surface area solid and a liquid film substantially covering the high surface area solid. The porous liquid or porous liquid enzyme may be contacted with a fluid that is immiscible with the liquid film such that a liquid-fluid interface is formed. The liquid film may facilitate mass transfer of a substance or substrate across the liquid-fluid interface. The present disclosure also provides methods of performing liquid-based extractions and enzymatic reactions utilizing the porous liquid or porous liquid enzyme of the present disclosure. The present disclosure also provides methods for selecting the components of the porous liquid or a porous liquid enzyme system and methods of self-replenishing the used liquid coating.

A three-dimensional periodic minimal curved surface conformal design-based pelvis comprises a pelvis prosthesis body, the pelvis prosthesis body is of a pore structure which is integrally formed through 3D printing and is formed by a plurality of three-dimensional periodic minimal curved surface (TPMS) metamaterial filling units, and the pelvis prosthesis is in a geometric shape symmetrical to a healthy pelvis side. The mounting end of the pelvic prosthesis is tangent to a pelvic defect part, the TPMS metamaterial can realize a complex geometrical shape under micron-level precision and can efficiently adapt to pelvis with different damage degrees, and the TPMS structure has bicontinuous or multi-continuous geometrical characteristics and can provide extremely high surface area and porosity in unit volume, so that the pelvic prosthesis can be applied to the pelvis with different damage degrees. The high surface area of the TPMS microstructure provides sufficient space for adhesion and growth of bone cells, and meanwhile, rapid invasion of vascular tissues and efficient transportation of nutrient substances are promoted through the continuous open pore channel design of the TPMS microstructure. Due to the characteristic, the osseointegration process can be accelerated, and the rehabilitation period of a patient can be remarkably shortened.

The preparation method comprises the following steps: adding copper sulfate into a PBS (Phosphate Buffer Solution) containing BSA (Bovine Serum Albumin), standing for 2 hours, carrying out centrifugal separation, and drying to prepare BSA-Cu3 (PO4) 2 hybrid nanoflowers, as a nano-enzyme for simulating a binuclear copper active center structure of tyrosinase, the nano-enzyme has the advantages of high surface area, efficient catalytic activity and high stability, then a solid salt hydrate is added to provide active water similar to the action of a cofactor in enzyme catalysis, natural polyphenol is catalyzed to be oxidized in an organic phase to generate an o-benzoquinone compound to serve as a hydrophobic part, and the activity of the o-benzoquinone compound is improved. A primary product obtained by ethanol separation is subjected to a Michael addition reaction with leucine, melanogenesis is simulated, the amino acid surfactant is biomimetic synthesized, and the obtained product has excellent surface performance.

This invention discloses a method for preparing a high-surface-area thermoelectric catalytic material for CO2 waste gas treatment. The method includes: 1. ball milling raw material powder to obtain a mixed powder; 2. sintering the mixed powder with a flux to obtain a blocky BiCuSeO base material; 3. ball milling the blocky BiCuSeO base material with multi-scale polystyrene powder and then cold pressing it into shape; 4. solid-state sintering to obtain a high-surface-area BiCuSeO thermoelectric catalytic material. This invention uses a flux method combined with a multi-scale pore-forming agent to prepare a BiCuSeO thermoelectric catalytic material with a multi-level porous structure and high purity, improving the surface area and activity of the BiCuSeO thermoelectric catalytic material, achieving an extremely high CO2 waste gas conversion rate, suitable for CO2 waste gas treatment, and with a short preparation process, it has the outstanding advantages of low cost and no pollution, making it suitable for engineering applications.

The present disclosure relates to a method of producing a superabsorbent polymer capable of minimizing loss of bubbles during foaming polymerization. According to the production method of the present disclosure, a large number of small and uniform pores can be formed so that a superabsorbent polymer having a high surface area can be produced. Since the superabsorbent polymer exhibits excellent absorbency, it can be used for various products requiring high absorbency.

The invention relates to a high-specific-surface-area titanium sol porous ceramic air purification filter element and a manufacturing method thereof, and belongs to the technical field of material science and engineering.The manufacturing method comprises the steps that S1, a heat treatment cavity body, a sensing and control unit and a suspension type weighing structure are arranged, the sensing and control unit comprises a high-precision pressure sensor, an atmosphere analyzer, an acoustic analysis part, a sample thermocouple and a reference thermocouple, and the suspended weighing structure comprises a ceramic suspender and a ceramic hanger. The upper end of the ceramic hanging rod is connected with the high-precision pressure sensor, a sound wave exciter of the acoustic analysis part and a sound wave receiver, and the lower end of the ceramic hanging rod is connected with the ceramic hanging tool. The problem of mechanical interference in traditional high-temperature weighing and acoustic measurement is successfully solved, and fingerprints of four key processes in the heat treatment process are acquired in real time.