C01B32/18

ELECTRODE MIXTURE, ELECTRODE, AND SECONDARY BATTERY

Provided is an electrode mixture containing a lithium-containing transition metal oxide; a conductive additive; a binder; and an organic solvent, wherein the conductive additive comprises at least one nanocarbon material selected from the group consisting of a multilayer carbon nanotube, a carbon nanohorn, a carbon nanofiber, a fullerene, and a graphene, the binder comprises a fluorine-containing copolymer comprising vinylidene fluoride unit and a fluorinated monomer unit, provided that vinylidene fluoride unit is excluded from the fluorinated monomer unit, and a content of vinylidene fluoride unit in the fluorine-containing copolymer is more than 50 mol % and 99 mol % or less with respect to all monomer units.

Method for manufacturing electrode, electrode manufactured thereby, membrane-electrode assembly comprising same electrode, and fuel cell including same membrane-electrode assembly
11557782 · 2023-01-17 · ·

Disclosed are a method for manufacturing an electrode, an electrode manufactured thereby, a membrane-electrode assembly including the electrode, and a fuel cell containing the membrane-electrode assembly. The method includes the steps of: preparing an electrode forming composition by mixing a catalyst with an ionomer; applying a low-frequency acoustic energy to the electrode forming composition to perform resonant vibratory mixing so as to coat the ionomer on the surface of the catalyst; and coating the electrode forming composition to manufacture an electrode.

Method for manufacturing electrode, electrode manufactured thereby, membrane-electrode assembly comprising same electrode, and fuel cell including same membrane-electrode assembly
11557782 · 2023-01-17 · ·

Disclosed are a method for manufacturing an electrode, an electrode manufactured thereby, a membrane-electrode assembly including the electrode, and a fuel cell containing the membrane-electrode assembly. The method includes the steps of: preparing an electrode forming composition by mixing a catalyst with an ionomer; applying a low-frequency acoustic energy to the electrode forming composition to perform resonant vibratory mixing so as to coat the ionomer on the surface of the catalyst; and coating the electrode forming composition to manufacture an electrode.

Compound, nanoribbon, and semiconductor device

A nanoribbon includes a structure represented by a structural formula (8), where g, p, q, r, s, t, and u are mutually independent and are integers greater than or equal to 1, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, and R.sup.8 are mutually independent and are one of a hydrogen atom, a substituent, an alkyl moiety, a phenyl moiety, and a halogen atom, and A denotes a hydrogen atom or an aryl group. ##STR00001##

Process of controlling the morphology of graphite
11691126 · 2023-07-04 · ·

A process of controlling the morphology of graphite in a process for the production of graphite, the process comprising: contacting at elevated temperature, a metal-containing catalyst with a hydrocarbon gas to catalytically convert at least a portion of the hydrocarbon gas to hydrogen and carbon; wherein the temperature is between 600° C. and 1000° C. and a pressure between 0 bar(g) and 100 bar(g), and wherein both the temperature and the pressure are set within predetermined value ranges to selectively synthesise graphitic material with a desired morphology.

Process of controlling the morphology of graphite
11691126 · 2023-07-04 · ·

A process of controlling the morphology of graphite in a process for the production of graphite, the process comprising: contacting at elevated temperature, a metal-containing catalyst with a hydrocarbon gas to catalytically convert at least a portion of the hydrocarbon gas to hydrogen and carbon; wherein the temperature is between 600° C. and 1000° C. and a pressure between 0 bar(g) and 100 bar(g), and wherein both the temperature and the pressure are set within predetermined value ranges to selectively synthesise graphitic material with a desired morphology.

Devices using novel carbon nano-structures for energy generation

This relates to a device for detecting or converting light or heat energy, the device comprising: a Graphene sheet formed into a scroll such as to provide a monolayer structure in which the radius of curvature of the graphene sheet increases on increasing distance from the longitudinal axis of the scroll.

Devices using novel carbon nano-structures for energy generation

This relates to a device for detecting or converting light or heat energy, the device comprising: a Graphene sheet formed into a scroll such as to provide a monolayer structure in which the radius of curvature of the graphene sheet increases on increasing distance from the longitudinal axis of the scroll.

Methods and systems for production of doped carbon nanomaterials
11542609 · 2023-01-03 · ·

A system and process for producing doped carbon nanomaterials is disclosed. A carbonate electrolyte including a doping component is provided during the electrolysis between an anode and a cathode immersed in carbonate electrolyte contained in a cell. The carbonate electrolyte is heated to a molten state. An electrical current is applied to the anode, and cathode, to the molten carbonate electrolyte disposed between the anode and cathode. A morphology element maximizes carbon nanotubes, versus graphene versus carbon nano-onion versus hollow carbon nano-sphere nanomaterial product. The resulting carbon nanomaterial growth is collected from the cathode of the cell.

Methods and systems for production of doped carbon nanomaterials
11542609 · 2023-01-03 · ·

A system and process for producing doped carbon nanomaterials is disclosed. A carbonate electrolyte including a doping component is provided during the electrolysis between an anode and a cathode immersed in carbonate electrolyte contained in a cell. The carbonate electrolyte is heated to a molten state. An electrical current is applied to the anode, and cathode, to the molten carbonate electrolyte disposed between the anode and cathode. A morphology element maximizes carbon nanotubes, versus graphene versus carbon nano-onion versus hollow carbon nano-sphere nanomaterial product. The resulting carbon nanomaterial growth is collected from the cathode of the cell.