A system and method for a conversion of plastic and carbon feedstock resulting in a hybrid morphology of carbon nanotubes is provided herein. The system includes a feedstock containing a plastic, a conductive carbon, and a metal-based catalyst. The system further includes a plurality of graphite electrodes configured to conduct a current through the feedstock. The system further includes a reservoir configured to contain the feedstock while allowing outgassing during the conversion. The system further includes a chamber configured to contain combustible volatile substances. The system further includes a power source configured to provide electrical power for the conversion. The system further includes an electrical controller configured to use a feedback mechanism for controlling the conversion and growth of the carbon nanotubes.
A device for converting a carbon pill into graphene is provided including a space between at least two electrically conductive surfaces, wherein the electrically conductive surfaces are configured to support a carbon pill in the space. The device also includes at least two electrodes electrically coupled to the at least two electrically conductive surfaces. The device also includes a power supply connected to the electrodes for passing a current through the electrodes to convert the carbon pill into graphene. A carbon pill for graphene conversion is also provided including a first carbon material for synthesizing to graphene by joule heating. The first carbon material is compressed from a powder form into a pill form. The carbon pill includes a second material for at least one of binding the first carbon material from a powder form into a pill form and improving conductivity of the first carbon material.
Provided herein is a composite material, and a method of producing the composite material. The method of producing the composite material includes providing a first material comprising turbostratic graphene, providing a second material comprising rubber, mixing the first material and the second material, and producing a turbostratic graphene rubber composite.
Described herein are composite materials and manufacturing methods of the composite materials, the materials comprising graphene and silicon, wherein the materials may be applied to energy storage devices, including anodes for Li-ion batteries. In some embodiments, the materials may comprise turbostratic graphene, wherein the turbostratic graphene has graphene layers that are misoriented with respect to each other.
Systems and methods for flash joule heating carbon with variable frequency drives, for the production of graphene. The system includes a flash joule heating system, and a variable frequency drive system for driving the flash joule heating system, wherein the variable frequency drive system is coupled to the flash joule heating system, and is configured to output a pulse-width modulated current. The system and methods may further include sample temperature feedback, to adjust the output of variable frequency drive system.
Provided is a device, method, and material for converting a feedstock to a resultant material having a higher degree of crystallinity than the feedstock. The device includes a constraining reservoir configured to constrain the feedstock which forms a resistive electrical load and comprise a mass of at least.1 kg. The device further includes electrodes configured to transmit an electrical current through the feedstock to joule heat the feedstock; a compression system configured to compress the feedstock to adjust feedstock electrical resistance; and an alternating current (AC) power source electrically connected to the electrodes. The device further includes an electric controller to control an electric current delivered to the feedstock. The method further includes filing the constraining reservoir with the feedstock, compressing the feedstock, electronically connecting the feedstock to the AC power source, and applying the electrical power to the resistive load until a limit is reached.
C30B 30/02 - Production of single crystals or homogeneous polycrystalline material with defined structure characterised by the action of electric or magnetic fields, wave energy or other specific physical conditions using electric fields, e.g. electrolysis
B01J 19/08 - Processes employing the direct application of electric or wave energy, or particle radiationApparatus therefor
Provided is a device, method, and material for converting a feedstock to a resultant material having a higher degree of crystallinity than the feedstock. The device includes a constraining reservoir configured to constrain the feedstock which forms a resistive electrical load and comprise a mass of at least.1 kg. The device further includes electrodes configured to transmit an electrical current through the feedstock to joule heat the feedstock; a compression system configured to compress the feedstock to adjust feedstock electrical resistance; and an alternating current (AC) power source electrically connected to the electrodes. The device further includes an electric controller to control an electric current delivered to the feedstock. The method further includes filing the constraining reservoir with the feedstock, compressing the feedstock, electronically connecting the feedstock to the AC power source, and applying the electrical power to the resistive load until a limit is reached.
C30B 1/02 - Single-crystal growth directly from the solid state by thermal treatment, e.g. strain annealing
C30B 1/12 - Single-crystal growth directly from the solid state by pressure treatment during the growth
C30B 30/02 - Production of single crystals or homogeneous polycrystalline material with defined structure characterised by the action of electric or magnetic fields, wave energy or other specific physical conditions using electric fields, e.g. electrolysis
8.
DEVICE AND METHOD FOR CONTINUOUS SYNTHESIS OF GRAPHENE
Provided herein is a method and a device for continuous synthesis of graphene. The device includes a container having a space for holding a carbon source, wherein the container has an entry opening for receiving the carbon source material, at least two electrodes for applying an electrical current through the space for joule heating the carbon source, wherein the space for joule heating the carbon source is between the at least to electrodes, and a movement component for moving the carbon source, with respect to the container, into the entry opening in a first direction and the at least two electrodes apply the electrical current in a second direction, wherein the first direction is not the same as the second direction.
Provided herein is a method of producing a polyurethane foam. The method includes dispersing turbostratic graphene in a polymerization solution. The polymerization solution includes a first component for polymerization into a polymer. The method includes adding a second component for polymerizing with the first component to chemically convert the polymerization solution into a polyurethane foam. Provided herein is also a polyurethane foam which includes a turbostratic graphene and a polymer formed from the polymerization of a polyol with an isocyanate. Provided herein is also a turbostratic graphene dispersion which includes a turbostratic graphene and a solvent for dispersing the turbostratic graphene.
Provided herein is a composite material, and a method of producing the composite material. The method of producing the composite material includes providing a first material comprising turbostratic graphene, providing a second material comprising rubber, mixing the first material and the second material, and producing a turbostratic graphene rubber composite.
Provided herein is a composite material, and a method of producing the composite material. The method of producing the composite material includes providing a first material comprising turbostratic graphene, providing a second material comprising rubber, mixing the first material and the second material, and producing a turbostratic graphene rubber composite.
Provided herein is a method and a device for continuous synthesis of graphene. The device includes a container having a space for holding a carbon source, wherein the container has an entry opening for receiving the carbon source material, at least two electrodes for applying an electrical current through the space for joule heating the carbon source, wherein the space for joule heating the carbon source is between the at least to electrodes, and a movement component for moving the carbon source, with respect to the container, into the entry opening in a first direction and the at least two electrodes apply the electrical current in a second direction, wherein the first direction is not the same as the second direction.
C30B 29/64 - Flat crystals, e.g. plates, strips or discs
C30B 30/02 - Production of single crystals or homogeneous polycrystalline material with defined structure characterised by the action of electric or magnetic fields, wave energy or other specific physical conditions using electric fields, e.g. electrolysis
13.
DEVICE AND METHOD FOR CONTINUOUS SYNTHESIS OF GRAPHENE
Provided herein is a method and a device for continuous synthesis of graphene. The device includes a container having a space for holding a carbon source, wherein the container has an entry opening for receiving the carbon source material, at least two electrodes for applying an electrical current through the space for joule heating the carbon source, wherein the space for joule heating the carbon source is between the at least to electrodes, and a movement component for moving the carbon source, with respect to the container, into the entry opening in a first direction and the at least two electrodes apply the electrical current in a second direction, wherein the first direction is not the same as the second direction.
C30B 29/64 - Flat crystals, e.g. plates, strips or discs
C30B 30/02 - Production of single crystals or homogeneous polycrystalline material with defined structure characterised by the action of electric or magnetic fields, wave energy or other specific physical conditions using electric fields, e.g. electrolysis
14.
METHODS AND COMPOSITIONS FOR PRODUCING GRAPHENE POLYURETHANE FOAMS
Provided herein is a method of producing a polyurethane foam. The method includes dispersing turbostratic graphene in a polymerization solution. The polymerization solution includes a first component for polymerization into a polymer. The method includes adding a second component for polymerizing with the first component to chemically convert the polymerization solution into a polyurethane foam. Provided herein is also a polyurethane foam which includes a turbostratic graphene and a polymer formed from the polymerization of a polyol with an isocyanate. Provided herein is also a turbostratic graphene dispersion which includes a turbostratic graphene and a solvent for dispersing the turbostratic graphene.
Provided herein is a method of producing a polyurethane foam. The method includes dispersing turbostratic graphene in a polymerization solution. The polymerization solution includes a first component for polymerization into a polymer. The method includes adding a second component for polymerizing with the first component to chemically convert the polymerization solution into a polyurethane foam. Provided herein is also a polyurethane foam which includes a turbostratic graphene and a polymer formed from the polymerization of a polyol with an isocyanate. Provided herein is also a turbostratic graphene dispersion which includes a turbostratic graphene and a solvent for dispersing the turbostratic graphene.
A device for converting a carbon pill into graphene is provided including a space between at least two electrically conductive surfaces, wherein the electrically conductive surfaces are configured to support a carbon pill in the space. The device also includes at least two electrodes electrically coupled to the at least two electrically conductive surfaces. The device also includes a power supply connected to the electrodes for passing a current through the electrodes to convert the carbon pill into graphene. A carbon pill for graphene conversion is also provided including a first carbon material for synthesizing to graphene by joule heating. The first carbon material is compressed from a powder form into a pill form. The carbon pill includes a second material for at least one of binding the first carbon material from a powder form into a pill form and improving conductivity of the first carbon material.
C30B 29/64 - Flat crystals, e.g. plates, strips or discs
C30B 30/02 - Production of single crystals or homogeneous polycrystalline material with defined structure characterised by the action of electric or magnetic fields, wave energy or other specific physical conditions using electric fields, e.g. electrolysis
17.
DEVICE, METHOD, AND CARBON PILL FOR SYNTHESIZING GRAPHENE
A device for converting a carbon pill into graphene is provided including a space between at least two electrically conductive surfaces, wherein the electrically conductive surfaces are configured to support a carbon pill in the space. The device also includes at least two electrodes electrically coupled to the at least two electrically conductive surfaces. The device also includes a power supply connected to the electrodes for passing a current through the electrodes to convert the carbon pill into graphene. A carbon pill for graphene conversion is also provided including a first carbon material for synthesizing to graphene by joule heating. The first carbon material is compressed from a powder form into a pill form. The carbon pill includes a second material for at least one of binding the first carbon material from a powder form into a pill form and improving conductivity of the first carbon material.
C04B 35/52 - 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 carbon, e.g. graphite
C30B 29/64 - Flat crystals, e.g. plates, strips or discs
C30B 30/02 - Production of single crystals or homogeneous polycrystalline material with defined structure characterised by the action of electric or magnetic fields, wave energy or other specific physical conditions using electric fields, e.g. electrolysis
