C01B32/174

METHODS FOR FORMING CARBON NANOTUBE DISPERSIONS

The present disclosure describes embodiments of novel methods and processes for forming CNT dispersions in media using a basket milling process. In particular, the methods and processes disperse CNT without damaging individual particles or affecting the properties of the particles. Testing of such methods demonstrates that recirculatory milling processes can be used to disperse SWNCT effectively and efficiently in a media.

METHODS FOR FORMING CARBON NANOTUBE DISPERSIONS

The present disclosure describes embodiments of novel methods and processes for forming CNT dispersions in media using a basket milling process. In particular, the methods and processes disperse CNT without damaging individual particles or affecting the properties of the particles. Testing of such methods demonstrates that recirculatory milling processes can be used to disperse SWNCT effectively and efficiently in a media.

ELECTROMAGNETIC SHIELDING LAMINATED SHEET

An electromagnetic shielding laminated sheet includes: an electromagnetic wave absorbing layer which includes a matrix and carbon nanotubes dispersed in the matrix and which has a bulk density equal to or less than 997 kg/m.sup.3; and a metal layer laid on top of the electromagnetic wave absorbing layer.

LITHIUM BATTERY AND METHOD OF PREPARING THE SAME
20220336817 · 2022-10-20 ·

A lithium battery including a cathode, an anode, a liquid-impermeable ion-conductive membrane between the cathode and the anode, and an interlayer including a metal-carbon composite between the anode and the liquid-impermeable ion-conductive membrane, wherein the metal-carbon composite includes a carbonaceous material, a metal chemically bonded to the carbonaceous material, and a metal sulfide, a metal fluoride, or a combination thereof chemically bonded to the carbonaceous material.

LITHIUM BATTERY AND METHOD OF PREPARING THE SAME
20220336817 · 2022-10-20 ·

A lithium battery including a cathode, an anode, a liquid-impermeable ion-conductive membrane between the cathode and the anode, and an interlayer including a metal-carbon composite between the anode and the liquid-impermeable ion-conductive membrane, wherein the metal-carbon composite includes a carbonaceous material, a metal chemically bonded to the carbonaceous material, and a metal sulfide, a metal fluoride, or a combination thereof chemically bonded to the carbonaceous material.

CONDUCTIVE MATERIAL DISPERSION LIQUID, SLURRY FOR SECONDARY BATTERY POSITIVE ELECTRODE, POSITIVE ELECTRODE FOR SECONDARY BATTERY, AND SECONDARY BATTERY
20230129636 · 2023-04-27 · ·

Provided is a conductive material dispersion liquid that can reduce internal resistance of a secondary battery while also ensuring good high-temperature storage characteristics of the secondary battery. The conductive material dispersion liquid contains a carbon material, a dispersant, and a dispersion medium. An HSP distance (R.sub.d) of Hansen solubility parameters (HSP.sub.c) of the carbon material and Hansen solubility parameters (HSP.sub.d) of the dispersant is 10.0 MPa.sup.1/2 or less.

Carbon nanofiber having embedded carbon nanotubes, and method of manufacture
11597652 · 2023-03-07 · ·

A method of producing Stress Activated Pyrolytic Carbon-Carbon NanoTube (SAPC-CNT) fibers is disclosed. The fibers are a composite consisting of a tubular core of pristine graphite planes that include carbon nanotubes (CNTs) surrounded by semi-graphitic carbon material that includes Stress Activated Pyrolytic Carbon (SAPC), the SAPC being characterized by wavy graphite planes ranging from 0.1 nm to 1 nm and oriented parallel to the axis of each fiber, the semi-graphitic carbon material also being characterized by an inclusion of 4 to 10 atomic percent of nitrogen heteroatoms, the nitrogen heteroatoms including an above 60% of quaternary and pyridinic nitrogen groups.

Magnet module, production apparatus of nanocarbon dispersion liquid using magnet module, and production method of nanocarbon dispersion liquid
11634328 · 2023-04-25 · ·

A magnet module used for producing a carbon nanotube dispersion liquid, comprising: a pipe portion having a first opening connected to a shearing module, and a second opening at both ends; and a magnet disposed in the pipe portion, wherein a medium liquid containing the carbon nanotube defibrated by the shearing module is supplied through the first opening, and after a ferromagnetic impurity attached to the carbon nanotube is attracted to the magnet and removed, the medium liquid is discharged from the second opening.

Magnet module, production apparatus of nanocarbon dispersion liquid using magnet module, and production method of nanocarbon dispersion liquid
11634328 · 2023-04-25 · ·

A magnet module used for producing a carbon nanotube dispersion liquid, comprising: a pipe portion having a first opening connected to a shearing module, and a second opening at both ends; and a magnet disposed in the pipe portion, wherein a medium liquid containing the carbon nanotube defibrated by the shearing module is supplied through the first opening, and after a ferromagnetic impurity attached to the carbon nanotube is attracted to the magnet and removed, the medium liquid is discharged from the second opening.

SELF-HEATING GAS SENSOR, GAS-SENSITIVE MATERIAL, PREPARATION METHOD FOR SAME, AND APPLICATIONS THEREOF

A gas-sensitive material, a preparation method therefore and an application thereof, and a gas sensor using the gas-sensitive material are provided. The gas-sensitive material is a carbon material-metal oxide composite nanomaterial formed by compounding a carbon material and metal oxides. The content of the carbon material is 0.5˜20 wt. % and the content of the metal oxides is 80˜99.5 wt. %; the metal oxides contain tungsten oxide and one or more selected from tin oxide, iron oxide, titanium oxide, copper oxide, molybdenum oxide, and zinc oxide; the metal oxides are formed on the carbon material in the form of nanowires, and the nanowires are tungsten oxide-doped nanowires. The gas-sensitive material has reduced resistance, is capable of responding to various gases at a reduced working temperature.