46 results about "Carbon allotrope" patented technology

To provide an electronic device which effectively solves the problem of delamination of a passivation layer from silicon carbide (SiC) starting from the edge of the device, and to provide a manufacturing process of the electronic device.SOLUTION: The electronic device 50 includes a silicon carbide semiconductor body 50 having a surface 50 a with a first portion of the surface defining an active region 54 of the electronic device, a second portion of the surface external to the active region, metallization 55 extending over the first portion of the surface of the semiconductor body, a passivation layer 56 extending over the metallization, and an adhesive layer 57 based on one or more carbon allotropes extending over the passivation layer.SELECTED DRAWING: Figure 1

To solve the problem that the conventional power source such as a power generation device or battery cannot generate the electric energy permanently without the supply of energy or an active material from outside the device or the conversion by the consumption of the active material inside the device.SOLUTION: An organic compound with a material property of the interconversion operation between the electric energy and the thermal energy, and metal with high conductivity such as copper or aluminum or a carbon-based good conductor such as a carbon allotrope are processed into a powder form or a solution form and mixed at the suitable amount and ratio. This mixture is sealed in a power generation device and electricity is supplied from an external power source or heat is applied from an external heat source; then, the mixture is subjected to the power generation and the heat generation at the same time in the device. The problem is solved by the power generation method using the chemical reaction (energy interconversion) of the mixture between the organic compound and the good conductor.SELECTED DRAWING: None

To provide an inter-energy conversion power generation method that solves the problems that conventional power sources that generate power using photoelectric effect, such as solar cells, rely on an external light source of a device, making power generation unavailable at night etc. when the necessary light energy required for power generation.SOLUTION: A phosphorescent material, which has a material property of being able to convert electrical energy and light energy back and forth, is mixed in appropriate amounts and ratios with a highly conductive metal such as copper or aluminum, or a carbon-based good conductor such as a carbon allotrope and processed into powder or solution. This mixture is sealed inside a power generation device and temporarily energized from an external power source or irradiated by an external light source. Furthermore, the mixture enters a state in which light is emitted and electricity is generated simultaneously within the device (electrical energy and light energy are being converted back and forth). This problem is solved by using a power generation method that utilizes the chemical reaction (energy interconversion reaction) of this "mixture of phosphorescent materials and good conductors". The same effect can be achieved by using fluorescent materials, which are raw materials for fluorescent paints, or reflective materials, which are the raw materials for reflective materials, instead of phosphorescent materials.SELECTED DRAWING: None

The present disclosure relates to an apparatus for producing high purity carbon nanotubes (CNTs) and related carbon allotropes and carbon nanomaterials with low metallic content. Moreover, this apparatus disclosed herein lends additional purification to such materials by the removal of amorphous carbon or other coke from the final material. In some embodiments, an apparatus for cleaning carbon nanomaterials includes a steam generation unit configured to provide steam via a gas line at a flow rate of about 0.001 L / min to about 10 L / min. The apparatus further includes a gas supply unit configured to provide a process gas to the gas line at a flow rate of about 0.001 L / min to about 15 L / min. The apparatus further comprises a purification / reaction unit including a reaction vessel. The apparatus further includes an exhaust gas cleaning unit.

A composite material, methods for its fabrication and example applications. The composite material comprises a polymer having a carbon allotrope incorporated into the polymer's crystalline structure. The material is characterized by a crystallinity greater than the native crystallinity of the polymer in the absence of the carbon allotrope being incorporated into the polymer's crystalline structure. The composite material is non-laminate, substantially excludes metals, ceramics, and cermets, and is electrically conductive. The carbon allotrope serves as a bridge between a first region of the polymer and a second region of the polymer. The fabrication method involves mixing a powder of polymer and carbon allotrope particles, suspending the powder in a solvent, spinning the solution into fibers, and drawing the fibers into a composite material. Applications include collecting data responsive to stimulating the composite material, comparing the data to thresholds, determining the material's condition, and transmitting a decision regarding its continued use.

A negative electrode precursor for manufacturing a negative electrode having a high utilization rate of a negative electrode active material. A negative electrode precursor to be applied to manufacturing of a negative electrode for a secondary battery, the negative electrode precursor comprising a resin substrate and a particle layer held by the resin substrate, wherein the particle layer includes first particles containing a carbon allotrope and exhibiting conductivity, and second particles containing a material capable of alloying with lithium, and an arrangement of at least one of the first particles and the second particles has a pattern structure having periodicity in a predetermined direction within the particle layer.

The application relates to a method and an apparatus for producing at least carbon by a chemical reaction with a catalyst in a reactor. A reactant is supplied to the reactor comprising at least one catalyst surface for the chemical reaction and at least one space in the reactor, and the catalyst surface contains a metal catalyst. The chemical reaction is performed in the reactor in which the reactant is arranged into contact with the catalyst surface to form the carbon comprising an allotrope of carbon, and nano-scale metal particles are detached from the catalyst surface by the formed carbon. The chemical reaction is continued in the space of the reactor and an amount of the carbon is grown by the formed carbon which comprises the detached nano-scale metal particles. Further, the application relates to a catalyst for the chemical reaction.

An article (100) for use as part of a non-combustible aerosol provision system. The article (100) comprises a reservoir (101) for aerosol generating material and an aerosol generator (102) for generating an aerosol from the aerosol generating material. The aerosol generator (102) comprises a carbon allotrope structure (103) formed as a foam. The article (100) further comprises a housing (134) comprising an air inlet (135), an air outlet (136) and an air passageway (137) extending between the air inlet (135) and the air outlet (136). The carbon allotrope structure (103) is arranged in fluid communication with an interior (104) of the reservoir (101) and the air passageway (137).

Semiconductor device assemblies are provided with one or more layers of thermally conductive material disposed between adjacent semiconductor dies in a vertical stack. The thermally conductive material can be configured to conduct heat generated by one or more of the semiconductor dies in laterally outward towards an outer edge of the assembly. The layer of thermally conductive material can comprise one or more allotropes of carbon, such as diamond, graphene, graphite, carbon nanotubes, or a combination thereof. The layer of thermally conductive material can be provided via deposition (e.g., sputtering, PVD, CVD, or ALD), or via adhering a film comprising the layer of thermally conductive material to one or more of the semiconductor dies.

A composite sorbent material comprising a few-layer 2D carbon allotrope impregnated with an ionic liquid is described. Also described are a method for producing said material, a composite material comprising said material, and the use of said material for thermal energy storage, sorption cooling, adsorption water desalination or air dehumidification

The present invention relates to a method for modifying the wettability of a carbon allotrope, comprising the steps of: preparing a carbon allotrope; a step for preparing a solvent capable of inducing the generation of hydrophilic radicals or hydrophobic radicals; a step for bringing the carbon allotrope into contact with the solvent; a step of supplying energy to the solvent using an energy supply source; and a step of generating a hydrophilic radical or a hydrophobic radical of the solvent by the energy supplied to the solvent, the generated radical being bonded to the end of the carbon allotrope.

The application relates to the technical field of pesticide controlled release, in particular to a preparation and application of a pesticide controlled release carrier, which comprises the following raw materials: a natural polymer matrix, a temperature-sensitive material, a light-heat material, an acid solvent, an alkali solvent and a pesticide. Chitosan (CS) is used as a natural polymer material which is widely sourced, non-toxic and naturally degradable, the spherical gel has the advantages of simple preparation, controllable particle size and rich surface chemical bonds, and is widely applied to drug adsorption and delivery. The introduction of nanoparticles can endow the polymer hydrogel with unique functional characteristics. Diamond nanodiamond (DND) is a nanoscale carbon allotrope which is composed of a sp3 carbon diamond core and a reconstructed sp2 carbon surface layer, can absorb light in the ultraviolet, visible and near-infrared regions in the form of phonon scattering / lattice vibration and convert it into heat, and has excellent photo-thermal performance. Poly-N-isopropyl acrylamide (PNIPAm) is a temperature-sensitive material which is in a sol state at room temperature and is converted into a gel state when close to body temperature.

A process is described for preparing a lipophilic matrix composite comprising a dispersion of sp2 carbon allotropes, comprising the steps of: (A) mixing sp2 carbon allotropes with a compound comprising a pyrrole ring of formula (i) wherein:-R1 and R3, independently of each other, are hydrogen or an alkyl group containing 1 to 20 carbon atoms; -R3 is a linear or branched aliphatic group, with or without unsaturation, unsubstituted and free of functional groups such as OH, C = O, said R3 containing 1 to 40 carbon atoms; (B) heating the mixture; and (C) mixing the mixture obtained in the step (B) with a lipophilic compound forming the matrix of the composite material to obtain the composite material. (i).

Provided are: a transfer member for forming a negative electrode that ensures adhesion of a carbon-containing layer against handling when forming an electrode having a carbon-containing layer, and that has excellent transferability of the carbon-containing layer onto a solid electrolyte layer or a current collector as a transfer material; a negative electrode structure, an electrode, and a secondary battery using the transfer member; and a method for producing the same. The transfer member for forming a negative electrode is applied to a secondary battery, transfers a carbon-containing layer to a body to be transferred, and includes a substrate having a first linear expansion coefficient, and the carbon-containing layer that contains an electrically conductive carbon allotrope and that has a second linear expansion coefficient in which the absolute value of the difference with the first linear expansion coefficient is 10.0 × 10-6 K-1 or less.

To solve a problem in which conventionally, a method of controlling a radiation ray so as no to affect a human body and the like controls using a function of a substance having a shielding action such as a metal and the like, but to provide a method different from a way of thinking so far, and to enhance effectiveness of the radiation-ray control.SOLUTION: Magnetic force (magnetic energy) has a characteristic that shields many areas of a radiation-ray. A ferromagnetic body such as a neodymium magnet and the like, a high-conductivity metal such as a material copper of an electro magnet such as a pure iron and the like, and a carbon system good conductor such as a carbon allotrope and the like are processed to be powder or liquid solution to be mixed. The mixture has a mutual conversion action of the magnetic energy and electric energy, and generates quite strong magnetic force. Utilizing the mixture solves the problems by a method of controlling the radiation-ray using a function of energy, not a function of the substance.SELECTED DRAWING: None

The invention relates to a laminate (1). The laminate (1) comprises a first layer (11) comprising at least one carbon allotrope and a dopant. The laminate (1) comprises a second layer (12) comprising an organic material. The concentration of the dopant in the first layer (11) is 25 to 1000 nmol / cm based on the surface area of the first layer (11). The invention also relates to a method for producing a laminate (1). The method comprises providing a first layer (11) comprising at least one carbon allotrope and a dopant. The method comprises providing a second layer (12) comprising an organic material. The concentration of the dopant in the first layer (11) is 25 to 1000 nmol / cm. The invention also relates to the use of a dopant at a concentration of 25 to 1000 nmol / cm for reducing the degradation of a laminate.

Disclosed is a method of: providing a hydrogenated sp2 carbon allotrope, and releasing hydrogen gas from the carbon allotrope. The method may be used an apparatus having: a vessel for containing the hydrogenated sp2 carbon allotrope, a fuel cell capable of using hydrogen gas a fuel, and a tube for transporting hydrogen gas from the vessel to the fuel cell. The carbon allotrope may be made by: providing a mixture of an sp2 carbon allotrope and liquid ammonia, adding an alkali metal to the mixture, and sonicating the mixture to form a hydrogenated form of the carbon allotrope. The hydrogenated carbon can be at least 3.5 wt % hydrogen covalently bound to the carbon.

The present invention relates to the field of flexible heating materials, incorporating a nonwoven layer. The nonwoven layer does not incorporate any conductive fibers. The conductivity is ensured by the application of a conductive coating paste comprising 0.5 to 20 weight % of particles of an allotropic form of carbon, 0.5 to 20 weight % of polyurethane, and Water. The paste is then dried to obtain a conductive layer to which are fixed electrodes.

To provide a transfer member for forming a negative electrode, a negative electrode structure using the transfer member, an electrode, a secondary battery, and a manufacturing method for the same, in which the adhesion of a carbon-containing layer is ensured during handling when forming an electrode having a carbon-containing layer, and the transferability of the carbon-containing layer onto a current collector or a solid electrolyte layer, which are transfer targets, is excellent.SOLUTION: A transfer member for forming a negative electrode for application to a secondary battery transfers a carbon-containing layer onto a transferred body. The transfer member for forming a negative electrode includes a substrate having a first linear expansion coefficient, and a carbon-containing layer including a conductive carbon allotrope and having a second linear expansion coefficient. The absolute value of the difference between the second linear expansion coefficient and the first linear expansion coefficient is 10.0×10-6K-1 or less.SELECTED DRAWING: None

Disclosed is a method of: providing a hydrogenated sp2 carbon allotrope, and releasing hydrogen gas from the carbon allotrope. The method may use an apparatus having: a vessel for containing the hydrogenated sp2 carbon allotrope, a fuel cell capable of using hydrogen gas a fuel, and a tube for transporting hydrogen gas from the vessel to the fuel cell. The carbon allotrope may be made by: providing a mixture of an sp2 carbon allotrope and liquid ammonia, adding an alkali metal to the mixture, and sonicating the mixture to form a hydrogenated form of the carbon allotrope. The hydrogenated carbon can be at least 3.5 wt % hydrogen covalently bound to the carbon.

The present disclosure relates to an apparatus for producing high purity carbon nanotubes (CNTs) and related carbon allotropes and carbon nanomaterials with low metallic content. Moreover, this apparatus disclosed herein lends additional purification to such materials by the removal of amorphous carbon or other coke from the final material. In some embodiments, an apparatus for cleaning carbon nanomaterials includes a steam generation unit configured to provide steam via a gas line at a flow rate of about 0.001 L / min to about 10 L / min. The apparatus further includes a gas supply unit configured to provide a process gas to the gas line at a flow rate of about 0.001 L / min to about 15 L / min. The apparatus further comprises a purification / reaction unit including a reaction vessel. The apparatus further includes an exhaust gas cleaning unit.

The invention relates to an electronic device with improved reliability. An electronic device is provided. An example electronic device includes: a silicon carbide semiconductor body having a surface, a first portion of the surface defining an active region of the electronic device and a second portion of the surface being external to the active region; a metallization extending over a first portion of a surface of the semiconductor body; a passivation layer extending over a portion of the metallization; and an adhesive layer based on one or more carbon allotropes extending over the passivation layer.

Proposed is a cell culture substrate suitable for sterilization and cell separation processes. The cell culture substrate includes a base, and a culture layer formed on the base and having a ‘cell contact surface’ which is a surface to which cells come into contact or attach. In the culture layer, a portion including at least the cell contact surface has a ‘first carbon allotrope portion’ which is an area made of a carbon allotrope. The first carbon allotrope portion is formed by physical vapor deposition (PVD). The first carbon allotrope portion has a higher hardness than graphite, which is another carbon allotrope, and a lower hardness than ‘PVD-DLC’ formed by PVD, which is a diamond-like carbon (DLC) and another carbon allotrope.

The application relates to a method for producing at least a carbon product by a chemical reaction with a catalyst in a reactor, wherein a reactant is arranged into contact with the catalyst comprising metal for performing the chemical reaction to form spherical carbon particles comprising an allotrope of carbon, at least a portion of the spherical carbon particles is impregnated with metal particles to form metal impregnated carbon catalyst particles, and the chemical reaction is performed in the presence of the metal impregnated carbon catalyst particles in the reactor to form the carbon product comprising spherical carbon particles having an allotrope of carbon. Further, the application relates to a catalyst.

A composition including colloidal nanosilica particles, an activator salt, and water, wherein the composition is, or forms, a hydrogel structure that coats and keeps the carbon allotrope in suspension. Methods of stabilizing cementitious compositions include adding compositions including colloidal nanosilica particles, an activator salt, and graphene to the cementitious composition.

An annular air intake lip for a nacelle of an aircraft propulsion assembly is provided. The annular lip can extend about an axis of revolution and include: an external annular wall, an internal annular wall, an upstream annular wall connecting the external and internal annular walls to define an annular cavity therebetween. At least part of the annular lip can include at least one heat transfer coating that is made from a carbon allotrope material.

An aerosol-generating component for use as part of a non-combustible aerosol supply system. The aerosol-generating component comprises a carbon allotrope 101 supported on an electrically insulating substrate 102. At least one aperture 105 extends through the electrically insulating substrate 102.

Disclosed is a ZnO / carbon allotrope composite for a formaldehyde sensor. The ZnO / carbon allotrope composite for a formaldehyde sensor comprising a substrate, a conductive metal coating layer formed on the substrate, a ZnO seed layer formed on the coating layer, ZnO nanorods grown from the ZnO seed layer, and a carbon allotrope layer formed on and overlapping with the nanorods. Also disclosed is a method for preparing a ZnO / carbon allotrope composite for a formaldehyde sensor. The method includes depositing a conductive metal coating layer on a substrate, sputtering Zn on the conductive metal coating layer to form a ZnO layer, followed by annealing to form ZnO seeds in the ZnO layer, growing ZnO nanorods from the ZnO seeds; and coating a carbon allotrope on the ZnO nanorods to form a carbon allotrope layer overlapping with the nanorods.