A method of fabricating a biochar composite product comprises thermally treating a precursor composition by heating the precursor composition according to a heating profile to provide a biochar composite product, the precursor composition comprising biochar and a natural binder other than lignin, wherein the natural binder forms a solid, porous, covalently bound carbon matrix at or above a threshold temperature, wherein the biochar composite product comprises a plurality of porous, carbonaceous particles and the solid, porous, covalently bound carbon matrix on surfaces of particles in the plurality such that neighboring particles are adhered together. The biochar composite products and methods of using the products are also provided.

A non-ASTM low hysteresis carbon black chemically treated, and surface coated with a compound comprising at least one amine group and at least one thiol group, and/or di- and/or polysulfidic linkage is herein disclosed. The surface modified low hysteresis carbon blacks are post treated to remove excess surface modified compound to form refined surface modified low hysteresis carbon blacks.

A non-ASTM low hysteresis carbon black chemically treated, and surface coated with a compound comprising at least one amine group and at least one thiol group, and/or di- and/or polysulfidic linkage is herein disclosed. The surface modified low hysteresis carbon blacks are post treated to remove excess surface modified compound to form refined surface modified low hysteresis carbon blacks.

An unrefined surface modified low hysteresis carbon black (SMLHCB) product is described herein. The unrefined surface modified low hysteresis carbon black product contains a low hysteresis carbon black having a surface that has been modified with from about 0.1 to about 50 wt % of a surface modifier attached thereto, wherein the surface modifier comprises an amino acid and at least one amine group.

An unrefined surface modified low hysteresis carbon black (SMLHCB) product is described herein. The unrefined surface modified low hysteresis carbon black product contains a low hysteresis carbon black having a surface that has been modified with from about 0.1 to about 50 wt % of a surface modifier attached thereto, wherein the surface modifier comprises an amino acid and at least one amine group.

A high stability polymer positive temperature coefficient (PPTC) material. The high stability PPTC material may include a polymer matrix, the polymer matrix defining a PPTC body, and a conductive filler component, disposed in the polymer matrix. The conductive filler component may include a plurality of carbon black particles, wherein the plurality of carbon black particles comprises an average particle size of 50 nm or less, and wherein the plurality of carbon black particles comprise a treated surface.

Provided is an ultra-high structure and high specific surface area carbon black based on high crystallinity and a preparation method thereof, an electrode slurry, and a battery. The ultra-high structure and high specific surface area carbon black based on high crystallinity satisfies the following characteristics: (1) the degree of crystallinity is equal to or more than 39%; (2) the BET specific surface area ranges from 200 m.sup.2/g to 763 m.sup.2/g; (3) the OAN ranges from 334 mL/100g to 548 mL/100g; and (4) the average particle diameter of primary particles is equal to or less than 35 nm.

An electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided, and may promote the nano-fibrillation of a fibrillable binder, and improve the mechanical properties and electrical properties of a battery. In one or more embodiments, an electrode includes a freestanding dry electrode film including an electrode active material, a binder, and a conductive additive, and the conductive additive includes a carbon black-based compound of which a specific surface area is 350 m.sup.2/g or less and a crystallite size is 15 or more.

A method for forming a copper coated particles includes combining a precipitating agent with a solution comprising copper nitrate and particles to forming coated particles. The particles are cobalt oxide (Co.sub.3O.sub.4) or carbon black. The coated particles are washed to obtain washed coated particles, the washed coated particles are filtered to obtain filtered coated particles, the filtered coated particles are dried to obtain dried coated particles, and the dried coated particles are calcined to obtain the copper coated particles. The copper coated particles have a reflectivity of electromagnetic radiation in a visible spectrum that is less than or equal to 5%, and a reflectivity of electromagnetic radiation in a near-IR and LiDAR spectrum that is greater than or equal to 5%.

It is provided a process for producing a purified carbon black with a reduced content of oxy-polycyclic aromatic hydrocarbons, the process including: (a) providing a carbon black including an initial content of oxy-polycyclic aromatic hydrocarbons of 1 ppm or more, (b) treating the carbon black including an initial content of oxy-polycyclic aromatic hydrocarbons with an extraction agent including carbon dioxide in a supercritical state to extract at least a portion of the oxy-polycyclic aromatic hydrocarbons from the carbon black, and (c) removing the extraction agent including the extracted oxy-polycyclic aromatic hydrocarbons from the carbon black to obtain a purified carbon black with a lower content of oxy-polycyclic aromatic hydrocarbons than the initial content of oxy-polycyclic aromatic hydrocarbons. It is furthermore provided a carbon black obtained through said production process and articles made therefrom.