A method of increasing porosity of graphitic carbon black comprises combining graphitic carbon black having a Raman planar size (La) of at least 20 Angstroms with at least 100 ppm of an alkaline earth element selected from strontium, barium, and a mixture of both to form a mixture, and contacting the mixture with an etchant at a temperature of 900-1400° C. until 2%-85% of the mass of the carbon black is lost.
Disclosed herein are methods for preparing an elastomer composite including charging a mixing chamber with at least a solid elastomer and a filler through a ram enclosure and mixing the solid elastomer and the filler in the mixing chamber. The mixing includes moving a ram through a ram space towards the mixing chamber to push the elastomer and the filler in the ram enclosure downwards into the mixing chamber. The mixing further includes directing a flow of gas through the ram space from a vent inlet to a vent outlet disposed in the ram enclosure, the flow of gas passing through the ram space and entraining at least a portion of a vapor resulting from the mixing, and discharging the elastomer composite from the mixing chamber.
B29B 7/18 - MixingKneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft
B29B 7/74 - MixingKneading using other mixers or combinations of dissimilar mixers
B29B 7/76 - MixingKneading using other mixers or combinations of dissimilar mixers with stream impingement mixing head
B29B 7/24 - Component parts, details or accessoriesAuxiliary operations for feeding
Disclosed herein are methods for processing a composition comprising an elastomer and filler. The method comprises processing the composition through a single screw (420, 620, 720) or twin-screw (420, 620, 720) extruder (100, 200) having a die (130, 230, 330, 430, 432, 530, 730) with at least one non-circular slot (332, 432, 532, 732) extending through the die body (331, 431, 531) in which the non-circular slot (332, 432, 532, 732) has an inner surface (332A) that is tapered. Also disclosed are extrudates (1060) resulting from the processing.
Disclosed herein are methods for processing a composition comprising an elastomer and filler. The method comprises processing the composition through a single screw or twin-screw extruder having a die with at least one non-circular slot extending through the die body in which the non-circular slot has an inner surface that is tapered. Also disclosed are extrudates resulting from the processing.
Disclosed herein are methods for preparing an elastomer composite including charging a mixing chamber with at least a solid elastomer and a filler through a ram enclosure and mixing the solid elastomer and the filler in the mixing chamber. The mixing includes moving a ram through a ram space towards the mixing chamber to push the elastomer and the filler in the ram enclosure downwards into the mixing chamber. The mixing further includes directing a flow of gas through the ram space from a vent inlet to a vent outlet disposed in the ram enclosure, the flow of gas passing through the ram space and entraining at least a portion of a vapor resulting from the mixing, and discharging the elastomer composite from the mixing chamber.
C08J 3/20 - Compounding polymers with additives, e.g. colouring
B01F 23/53 - Mixing liquids with solids using driven stirrers
B01F 27/702 - Mixers with rotary stirring devices in fixed receptaclesKneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms comprising two or more shafts, e.g. in consecutive mixing chambers with intermeshing paddles
B01F 35/00 - Accessories for mixersAuxiliary operations or auxiliary devicesParts or details of general application
Composites, such as elastomeric composites are described that include at least one elastomer, at least one filler that includes at least one polysaccharide and at least one coupling agent. The polysaccharide can be a solvent exchanged polysaccharide, or a milled polysaccharide and/or the coupling agent can utilize certain functional groups beneficial to linking to the elastomer and polysaccharide in the composite. Methods to prepare the composites and the polysaccharide are further described.
An aerogel composition includes aerogel particles and a fibrous component that includes one or more materials selected from the group consisting of polymer fibers and inorganic fibers. The ratio of the aerogel particles:fibrous component is from 1:3 to 10:1 by weight. The aerogel composition further includes up to 25% of polymer by weight, based on the total weight of the composition.
D04H 1/413 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties containing granules other than absorbent substances
D04H 1/64 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
D04H 1/732 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
A process to manufacture carbon includes (a) in a carbon black reactor, converting at least a portion of at least one hydrocarbon feedstock to carbon black in the presence of combustion gases generated by burning a fuel in an oxidation gas mixture to form a first product stream comprising the carbon black, carbon dioxide, carbon monoxide, water vapor, and hydrogen, wherein the fuel is a portion of the hydrocarbon feedstock or a separate fuel source; (b) adding water to the first product stream to at least partially halt the conversion and form a second product stream comprising carbon black, carbon dioxide, carbon monoxide, hydrogen, and water vapor; (c) removing the carbon black from the second product stream to form a tail gas; (d) removing at least a portion of the water from the tail gas to form a dewatered tail gas; and (e) contacting the dewatered tail gas with a catalyst to deposit carbon on the catalyst and form a partially decarbonized tail gas comprising carbon monoxide and hydrogen.
The present invention relates to a conductive agent composition, a conductive agent dispersion comprising the conductive agent composition, a method for preparing the conductive agent dispersion, the use of the conductive agent composition or the conductive agent dispersion in manufacturing an electrode, and an electrode. The conductive agent composition comprises carbon black and at least one material selected from the following materials: a carbon nanostructure, fragments of a carbon nanostructure, and fragmented multi-walled carbon nanotubes.
A coating formulation includes fumed silica, boric acid, a binder, water, and, optionally, ethanol and/or pseudo-boehmite. A pH of the formulation is from 2.0 to 3.0, a ratio of fumed silica to binder by weight is from 3.0:1 to 4.5:1, a ratio of boric acid to binder by weight is from 9.5% to 28%, and a ratio of boric acid to the total amount of both fumed silica and pseudo-boehmite is at least 3.0%.
B41M 5/50 - Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
11.
FORMULATION FOR INK RECEPTIVE COATING AND COATED SUBSTRATE PRODUCED WITH SAME
A coating formulation includes fumed silica, boric acid, a binder, water, and, optionally, ethanol and/or pseudo-boehmite. A pH of the formulation is from 2.0 to 3.0, a ratio of fumed silica to binder by weight is from 3.0: 1 to 4.5: 1, a ratio of boric acid to binder by weight is from 9.5% to 28%, and a ratio of boric acid to the total amount of both fumed silica and pseudo-boehmite is at least 3.0%.
D21H 19/40 - Coatings with pigments characterised by the pigments siliceous, e.g. clays
B41M 5/50 - Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
A method of increasing porosity of graphitic carbon black comprises combining graphitic carbon black having a Raman planar size (La) of at least 20 Angstroms with at least 100 ppm of an alkaline earth element selected from strontium, barium, and a mixture of both to form a mixture, and contacting the mixture with an etchant at a temperature of 900-1400 oC until 2%- 85% of the mass of the carbon black is lost.
Surface treated silica-containing particles are combined with a resin to form a liquid prepolymer composition for use in additive manufacturing. A surface treatment on the silica-containing particles may participate in polymerization of the composition. The silica containing particles may be colloidal silica or a silica polymer composite particle.
Methods to produce carbon black from low-yielding carbon black feedstocks are described. Low-yielding feedstocks are used in combination with traditional carbon black feedstocks to produce carbon black via a furnace process. Carbon blacks produced from these carbon black feedstocks are further described. The advantages achieved with the methods are further described.
A process to clean a gas stream is described. The gas stream can include tail gas generated during carbon black production. The process involves a number of steps to systematically clean the starting gas stream so as to obtain a treat gas stream having fuel value and converting other parts of the gas stream to sulfur and carbon dioxide for recovery. A facility or system having various operation units to conduct the process of the present invention is further described.
C01B 3/12 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide
C01B 17/04 - Preparation of sulfurPurification from gaseous sulfur compounds including gaseous sulfides
Multi-layer biodegradable mulch films include a top layer that is sunlight/UV resistant, and a bottom layer designed to withstand soil moisture and/or pH effects. The films have an extended service life, followed by a rapid degradation. Specific masterbatches are formulated to prepare the different film layers. Carbon black having specific properties can be incorporated in at least some of these masterbatches.
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
A01G 13/02 - Protective coverings for plants; Devices for laying-out coverings
A heat control member comprises a mixture of a) silica aerogel particles having particle sizes in a range from 0.1 mm to 5 mm and b) hydrophobic silica-containing particles having a methanol number of at least 30 and a particle size D50 of 100 microns or less, the mixture having a particle size distribution of silica-containing particles having at least two peaks. The silica aerogel particles and hydrophobic silica containing particles are present in a ratio from 1:99 to 99:1; and the heat control member has a thermal conductivity at 25° C. of from 5 to 30 mW/m.K and a thickness of 0.1-10 mm.
Silicon-carbon composite structures include silicon entities occupying pores in carbon black supports, wherein a ration of OAN: BET surface area for the carbon black support is in a range from 0.1 to 10 and a mass of silicon per 100g of carbon black is less than or equal to 0.75 * OAN. The silicon-carbon composites may have a carbon coating. The silicon-carbon composite structures can be prepared by CVD techniques or mechanical mixing and can be used in LIB anodes.
A solvent-free process employs a composite that includes carbon nanotubes and a polymer to prepare compositions and electrodes for lithium-ion batteries. The carbon nanotubes in the composite can be multifunctional, providing two or more desirable characteristics, acting, for example, as a conductive carbon additive, as a processing, e.g., fibrillizing, agent and/or as a mechanical reinforcement. The composite can be combined with an electroactive material and a binder; the binder can be processed, e.g., fibrillated, in the presence of the carbon nanotubes in the composite. The resulting composition can be formed into a film which can be applied onto a suitable substrate to form an electrode.
01 - Chemical and biological materials for industrial, scientific and agricultural use
02 - Paints, varnishes, lacquers
Goods & Services
Carbon for use in secondary cell batteries; Carbon nanotubes for use in the rubber, plastics, coatings, adhesives, composites, electronics and printing industries; Carbon black-polymer composites for use in the rubber, plastics, composites, and electronics industries; Silica aerogel for use in industry; Fumed silica and fumed alumina for use in the glass, ceramic, plastic, adhesives, composites, food, cosmetics and rubber industries; Aqueous fumed silica dispersions and fumed alumina dispersions for use in the printing, ceramic, adhesives, and composites industries; Granulated concentrates of carbons and blends thereof in plastics for use in industry; Unprocessed black plastics in granular form for use in industry; Carbon black for use in industry Pigment dispersions for use in the preparation of printing ink
01 - Chemical and biological materials for industrial, scientific and agricultural use
02 - Paints, varnishes, lacquers
Goods & Services
Carbon black for use in the rubber, plastics, coatings, adhesives, composites, electronics and printing industries; carbon for use in secondary cell batteries; Carbon black-polymer composites for use in the rubber, plastics, composites, and electronics industries Carbon black for use as a pigment
22.
BLACK MASTERBATCH AND COMPOUND CONTAINING TUBULAR CARBON FOR HIGH JETNESS, BROWNER UNDERTONE, AND MATTE SURFACE
Carbon black is combined with tubular carbon to increase brown undertone in polymer compositions. In one illustration, the tubular carbon is present in the form of multiwall carbon nanotubes, single wall carbon nanotubes, and/or carbon nanostructure (CNS)-derived species, e.g., carbon nanostructures, fragments of carbon nanostructures, fractured carbon nanotubes, elongated CNS strands, and/or dispersed carbon nanostructures.
C08L 69/00 - Compositions of polycarbonatesCompositions of derivatives of polycarbonates
C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chainCompositions of derivatives of such polymers
01 - Chemical and biological materials for industrial, scientific and agricultural use
02 - Paints, varnishes, lacquers
Goods & Services
Carbon black for use in the rubber, plastics, coatings, adhesives, composites, electronics and printing industries; carbon for use in secondary cell batteries; Carbon nanotubes for use in the rubber, plastics, coatings, adhesives, composites, electronics and printing industries; Carbon black-polymer composites for use in the rubber, plastics, composites, and electronics industries; fumed silica and fumed alumina for use in the glass, ceramic, plastic, adhesives, composites, food, cosmetics and rubber industries. Carbon black for use as a pigment.
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Carbon black for use in the rubber, plastics, coatings, adhesives, composites, electronics and printing industries; carbon for use in secondary cell batteries; Carbon nanotubes for use in the rubber, plastics, coatings, adhesives, composites, electronics and printing industries; Carbon black-polymer composites for use in the rubber, plastics, composites, and electronics industries; fumed silica and fumed alumina for use in the glass, ceramic, plastic, adhesives, composites, food, cosmetics and rubber industries; aqueous fumed silica dispersions and fumed alumina dispersions for use in the printing, ceramic, adhesives, and composites industries.
25.
SILICON-CARBON COMPOSITES FOR LITHIUM-ION BATTERY ANODES
Silicon-carbon composite structures include silicon entities occupying pores in carbon black supports, wherein a ration of OAN: BET surface area for the carbon black support is in a range from 1 to 10 and a mass of silicon per 100g of carbon black is less than or equal to 0.75 * OAN. The silicon-carbon composites may have a carbon coating. The silicon-carbon composite structures can be prepared by CVD techniques or mechanical mixing and can be used in LIB anodes.
A process to clean a gas stream is described. The gas stream can include tail gas generated during carbon black production. The process involves a number of steps to systematically clean the starting gas stream so as to obtain a treat gas stream having fuel value and converting other parts of the gas stream to sulfur for recovery. A facility or system having various operation units to conduct the process is further described.
A solvent-free process employs a multifunctional carbon black to prepare compositions and electrodes for lithium-ion batteries. The multifunctional carbon black provides two or more desirable characteristics, acting, for example, as a conductive carbon additive, as a fibrillizing agent and/or as a mechanical reinforcement. In one example, an electroactive material, e.g., graphite or a lithium transition metal compound, a binder and a multifunctional carbon black are combined in one or more steps. High shear mixing is used to process the binder in the presence of the multifunctional carbon black. The resulting composition can be formed into a film which can be applied onto a suitable substrate to produce an electrode.
H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 4/133 - Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 4/1393 - Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
28.
SILICA PARTICLE COMPOSITION FOR THERMAL INSULATION
A composition comprising a mixture of a) silica aerogel particles having particle sizes in a range from 0.1 mm to 5 mm and b) hydrophobic silica-containing aciniform particles having a methanol number of 30 to 70 and carbon content up to 6 wt%, wherein the silica aerogel particles and hydrophobic silica containing particles are present in a ratio from 0:100 to 80:20; and wherein the heat control member has a thermal conductivity at 25 °C of approximately 5-40 mW/m.K and a thickness of 0.1-10 mm.
Methods to produce carbon black utilizing a burner fuel that includes at least one sustainable burner fuel, such as, but not limited to, tire pyrolysis oil is described. Carbon blacks produced from these methods are further described. The advantages achieved with the methods are further described.
Conductive inks containing carbon nanostructures (CNS) are used to produce electrothermal heating elements. The use of carbon nanostructures decreases the amount of other conductive fillers, including metallic fillers, required to achieve similar temperatures. Small amounts of carbon nanostructures are used to formulate inks that can achieve temperatures in excess of 300° F. (149° C.).
Methods to produce carbon black from low-yielding carbon black feedstocks are described. Carbon blacks produced from these carbon black feedstocks are further described. The advantages achieved with the methods are further described.
Methods to produce carbon black from low-yielding carbon black feedstocks are described using a process that involves the use of electrical energy to cause formation of carbon black from a carbon black feedstock(s). Carbon blacks produced from these carbon black feedstocks are further described. The advantages achieved with the methods are further described.
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
(1) Granulated concentrates of carbons and blends thereof for use in the manufacture of plastics for use in industry; unprocessed black plastics in granular form for use in industry
Provided are a black polymer compound for near infrared sorting. The black polymer compound comprises: a base resin; 0.01% to 0.08% of an aggregated black pigment selected from carbon black, silica coated carbon black, and silicon treated carbon black; a first pigment having near infrared reflectivity; and optionally a second pigment, reinforcing filler, and additive, wherein a ratio of the aggregated black pigment and all near infrared pigments in the polymer compound is from 1: 12 to 1: 100, an NIR reflectance of the polymer compound from 1200 to 1500 nm is at least 10% and the jetness L* of the polymer compound is at most 27.
C08L 23/00 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers
C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
Provided are a black polymer compound for near infrared sorting. The black polymer compound comprises: a base resin; 0.01% to 0.08% of an aggregated black pigment selected from carbon black, silica coated carbon black, silicon treated carbon black, metal oxide coated carbon black, and mixtures of two or more of these; a first pigment having near infrared reflectivity; and optionally a second pigment, reinforcing filler, and additive, wherein a ratio of the aggregated black pigment and all near infrared pigments in the polymer compound is from 1:12 to 1:100, an NIR reflectance of the polymer compound from 1200 to 1500 nm is at least 10% and the jetness L* of the polymer compound is at most 27.
B07B 13/00 - Grading or sorting solid materials by dry methods, not otherwise provided forSorting articles otherwise than by indirectly controlled devices
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
(1) Metal oxides; fumed silica; fumed silica for use in glass, ceramic, plastics and rubber industries; fumed silica for reinforcing, rheology control and free flowing; fumed silicon dioxide; fumed silicon dioxide for use in assisting the free flow of materials and as an anti-caking agent
39.
SMOOTH EPDM PROFILES WITH BLENDS OF RECLAIMED CARBON AND CARBON BLACK
A method of making a solid pellet is described. The method can include feeding reclaimed carbon particles (or pellets) and feeding virgin carbon black particles (or pellets) as separate feeds to a mill and then milling the reclaimed carbon and the virgin carbon black together to obtained a milled blend, and then wet pelletizing the milled blend to obtain wet solid pellets, and then drying the wet solid pellets to obtain dry solid pellets. The solid pellets formed are further described as well as method to form profiles, such as EPDM profiles using the solid pellets of the present invention.
Metal oxide-polymer composite particles have a median particle size D50 of 40-75 nm or 100-150 nm and an average RTA of at least 0.06. Alternatively or in addition, metal oxide-polymer composites comprise two or more populations of metal oxide particles differing in size, particle size distribution, or shape. Alternatively or in addition, the use of a multicomponent hydrophobizing system including an alkylsilane to fabricate metal oxide-polymer composite particles increases the tribocharge of the composite particles.
A flexible insulating member is described. The insulating member can be a single layer or can include a first layer having aerogel and a first fibrous component, and a second layer that is a mat having a second fibrous component. The first layer and second layer are adhered together. The flexible insulating member is non-flammable per UL94 V0 and has a thermal conductivity at 25°C of less than 40 mW/m.K, and has a thickness of at least 0.3 mm. Methods of making the insulating member are further described along with uses for the insulating member.
D04H 1/413 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties containing granules other than absorbent substances
D04H 1/4374 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
D04H 1/4382 - Stretched reticular film fibresComposite fibresMixed fibresUltrafine fibresFibres for artificial leather
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B60L 50/64 - Constructional details of batteries specially adapted for electric vehicles
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B60L 50/64 - Constructional details of batteries specially adapted for electric vehicles
D04H 1/413 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties containing granules other than absorbent substances
D04H 1/4374 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
D04H 1/4382 - Stretched reticular film fibresComposite fibresMixed fibresUltrafine fibresFibres for artificial leather
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
01 - Chemical and biological materials for industrial, scientific and agricultural use
02 - Paints, varnishes, lacquers
Goods & Services
Reinforcing materials, namely, carbon black for industrial purposes, reclaimed and renewable carbon for industrial purposes, carbon nanotubes in the nature of tubular discrete carbon molecules for industrial purposes, and blends thereof, all for use in the manufacture or production of a wide variety of goods, excluding plating products and processes; chemicals for use in industry, namely, elastomer composites reinforced with carbon Reinforced composites, namely, plastic masterbatches for use in the manufacture of a wide variety of goods
44.
METHODS OF MAKING CARBON COATED PARTICLES FROM RECLAIMED CARBON AND OTHER PARTICLES
Methods to form carbon coated particles are described. Methods to form coated particles involve subjecting the particles to an energy source that is at least one of hot gas, microwave energy, induction energy, direct current passing through the particles, electromagnetic radiation, or solar radiation, so as to form heated particles, and feeding a hydrocarbon source that is in the form of a gas or vapor into the chamber, such that the hydrocarbon source pyrolyzes, in at least in part, in the chamber to form carbon deposits, and thereby coating the heated base particles with the carbon deposits and form the carbon coated particles. Coated particles produced by one of the methods of the present invention is further described. The advantages achieved with the methods are further described.
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
granulated concentrates of carbons and blends thereof for use in the manufacture of plastics for use in industry; unprocessed black plastics in granular form for use in industry
46.
SOLVENT-FREE PROCESS FOR PREPARING LITHIUM-ION BATTERIES
A solvent-free process employs carbon nanotubes to prepare compositions and electrodes for lithium-ion batteries. The carbon nanotubes can be multifunctional, providing two or more desirable characteristics, acting, for example, as a conductive carbon additive, as a fibrillizing agent and/or as a mechanical reinforcement. In one example, the carbon nanotubes are provided in combination with a carbon black. In another example, an electroactive material, a fibrillizable binder, e.g., PTFE, and carbon nanotubes are combined in one or more steps. High shear mixing is used to fibrillize the binder. The resulting composition can be formed into a film which can be applied onto a suitable substrate to form an electrode.
A method to produce carbonblack includes, in a carbonblack reactor having combustion zone and a reaction zone and a feedstock injection zone therebetween, converting a portion of at least one hydrocarbon feedstock to carbon black in the presence of combustion gases generated by burning a fuel in an oxidation gas mixture containing low amounts of nitrogen to form a product stream in which carbon black is carried by hot gases. The carbon black is separated from the hot gas, which is then processed to produce a flue gas high in carbon dioxide and low in nitrogen at least a portion of which is redirected to at least one of the combustion zone, the reaction zone, and the feedstock injection zone.
An aqueous hydrophobic silica dispersion includes a hydrophilic particulate silica, a hydrophobic particulate silica having a methanol number of at least 60, and a dispersant having at least one cationic or cationizable group and an HLB ratio of 2 to 20.
D06M 11/79 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereofSuch treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
49.
CARBON BLACKS HAVING STRONTIUM AND/OR BARIUM ADDITIVES AND METHODS TO MAKE SAME
The present invention, in part, relates to a method to make carbon blacks utilizing at least feedstock additive that is or includes strontium, barium, or a combination thereof. Optional additional feedstock additives can be used in combination with the strontium and/or barium. The present invention further relates to a carbon black produced by one or more methods of the present invention. The present invention also relates to a carbon black carbon black having a nitrogen BET surface area (N2SA) of from 800 m2/g to 2,500 m2/g and concentration (ppm) of Group IIA elements in the carbon black that is less than or equal to 4.3*N2SA-2150, wherein the additive is or includes strontium, barium, or a combination thereof. Formulations, articles, and devices containing the carbon black are also disclosed.
Disclosed herein are compositions comprising a dimeric (diarylide) pigment and a synergist, in which the synergist has a structure similar to a monomer of the dimeric pigment. Also disclosed are aqueous dispersions and inkjet inks comprising such compositions. In a first preferred composition, the symmetric diarylide pigment has the following structure: (P-1) and the synergist has the following structure: (S-1). In a second preferred composition, the symmetric diarylide pigment has the following structure: (P-2) and the synergist has the following structure: (S-2).
C09B 67/00 - Influencing the physical, e.g. the dyeing or printing, properties of dyestuffs without chemical reaction, e.g. by treating with solventsProcess features in the making of dyestuff preparationsDyestuff preparations of a special physical nature, e.g. tablets, films
C09B 67/22 - Mixtures of different pigments or dyes or solid solutions of pigments or dyes
The invention relates to a conductive agent, an electrode for a lithium battery, and a method for preparing the conductive agent. The conductive agent comprises a mixture of dried, preferably freeze-dried carbon nanostructures and carbon black.
H01B 1/24 - Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon, or silicon
H01B 13/00 - Apparatus or processes specially adapted for manufacturing conductors or cables
H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
B60L 50/64 - Constructional details of batteries specially adapted for electric vehicles
D04H 1/413 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties containing granules other than absorbent substances
D04H 1/58 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
D04H 1/732 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
An aerogel composition includes aerogel particles and a fibrous component that includes one or more materials selected from the group consisting of polymer fibers and inorganic fibers. The ratio of the aerogel particles:fibrous component is from 1:3 to 10:1 by weight. The aerogel composition further includes up to 25 % of polymer by weight, based on the total weight of the composition.
D04H 1/413 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties containing granules other than absorbent substances
D04H 1/58 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
D04H 1/732 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
B60L 50/64 - Constructional details of batteries specially adapted for electric vehicles
H01M 10/658 - Means for temperature control structurally associated with the cells by thermal insulation or shielding
55.
PROCESSES TO CLEAN TAIL GAS FROM CARBON BLACK PRODUCTION AND SYSTEM AND FACILITY FOR SAME
A process to clean a gas stream is described. The gas stream can include tail gas generated during carbon black production. The process involves a number of steps to systematically clean the starting gas stream so as to obtain a treat gas stream having fuel value and converting other parts of the gas stream to sulfur and carbon dioxide for recovery. A facility or system having various operation units to conduct the process of the present invention is further described.
B01D 46/30 - Particle separators, e.g. dust precipitators, using loose filtering material
B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
C01B 3/16 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide using catalysts
A process to clean a gas stream is described. The gas stream can include tail gas generated during carbon black production. The process involves a number of steps to systematically clean the starting gas stream so as to obtain a treat gas stream having fuel value and converting other parts of the gas stream to sulfur and carbon dioxide for recovery. A facility or system having various operation units to conduct the process of the present invention is further described.
B01D 46/30 - Particle separators, e.g. dust precipitators, using loose filtering material
B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
C01B 3/16 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide using catalysts
57.
Thermally conductive polymer compositions containing carbon black
A composite polymer composition comprising partially crystallized carbon black. The composition exhibits superior thermal transfer properties in plastic formulations. The polymer precursor exhibits excellent rheology when compared to similar compositions comprising traditional carbon blacks. The composite polymers provide for higher loading of more thermally conductive carbon blacks in a variety of composite polymer compositions.
A heat control member comprises a mixture of a) silica aerogel particles having particle sizes in a range from 0.1 mm to 5 mm and b) hydrophobic silica-containing particles having a methanol number of at least 30 and a particle size D50 of 100 microns or less, the mixture having a particle size distribution of silica-containing particles having at least two peaks. The silica aerogel particles and hydrophobic silica containing particles are present in a ratio from 1:99 to 99:1; and the heat control member has a thermal conductivity at 25 oC of from 5 to 30 mW/m.K and a thickness of 0.1-10 mm.
A flexible polyurethane foam comprises up to 10 wt % of a fumed silica having a surface area from 50 to 150 m2/g, wherein the fumed silica has C1-C3 alkylsilyl groups at its surface, the flexible polyurethane foam exhibiting has a resilience of at least 40%, for example, from 40% to 70%, a dry compression set no greater than 15%, for example, from 3% to 15%, or both. Alternatively in addition, the flexible polyurethane foam may have a compression force deflection at 50% as measured by ASTM D3574 that is at least 30%, for example, at least 50%, at least 70%, or from 30% to 155%, greater than a flexible polyurethane foam having the same composition but with polyol replacing the silica.
C08J 9/12 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
C08G 18/18 - Catalysts containing secondary or tertiary amines or salts thereof
A heat control member comprises a mixture of a) silica aerogel particles having particle sizes in a range from 0.1 mm to 5 mm and b) hydrophobic silica-containing particles having a methanol number of at least 30 and a particle size D50 of 100 microns or less, the mixture having a particle size distribution of silica-containing particles having at least two peaks. The silica aerogel particles and hydrophobic silica containing particles are present in a ratio from 1:99 to 99:1; and the heat control member has a thermal conductivity at 25 oC of from 5 to 30 mW/m.K and a thickness of 0.1-10 mm.
C01B 33/18 - Preparation of finely divided silica neither in sol nor in gel formAfter-treatment thereof
B32B 33/00 - Layered products characterised by particular properties or particular surface features, e.g. particular surface coatingsLayered products designed for particular purposes not covered by another single class
A carbon-based additive for negative active materials includes carbon nanostructures free of a fiber substrate, carbon nanostructures fused to a fiber substrate or any combination thereof. In many cases, the carbon-based additive further includes carbon black. The additive is used to prepare electrode compositions for lead acid batteries. Batteries that include such electrode compositions are characterized by improved dynamic charge acceptance and lead utilization, typically at acceptable water loss levels. Some of the batteries described herein exhibit a negligible memory effect.
A carbon black dispersion comprises a diol selected from an alkylene diol having 2-12 carbon atoms, cycloaliphatic diol having 6-24 carbon atoms, and an aromatic diol having 6-24 carbon atoms; 15-25 %by weight of a modified carbon black, the modified carbon black having a BET surface area between 25 and 180 m 2/g as measured prior to treatment, the modified carbon black modified with a treating agent comprising an organic group and a sulfonic acid group at a treating agent concentration of from 1.0 to 4.0 μmol/m 2based on nitrogen surface area (BET); and polyvinylpyrrolidone in an amount from 0 to 0.2: 1 with respect to the modified carbon black. The carbon black dispersion contains less than 2.5 wt%water and D99 of the carbon black dispersion is less than 1 micron.
C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chainCompositions of derivatives of such polymers
63.
DISPERSIONS OF CARBON BLACK IN ALKYLENE GLYCOL AND IN SITU POLYMERIZATION OF POLYESTER THEREWITH
A carbon black dispersion comprises a diol selected from an alkylene diol having 2-12 carbon atoms, cycloaliphatic diol having 6-24 carbon atoms, and an aromatic diol having 6-24 carbon atoms; 15-25 % by weight of a modified carbon black, the modified carbon black having a BET surface area between 25 and 180 m2/g as measured prior to treatment, the modified carbon black modified with a treating agent comprising an organic group and a sulfonic acid group at a treating agent concentration of from 1.0 to 4.0 µmol/m2 based on nitrogen surface area (BET); and polyvinylpyrrolidone in an amount from 0 to 0.2:1 with respect to the modified carbon black. The carbon black dispersion contains less than 2.5 wt% water and D99 of the carbon black dispersion is less than 1 micron.
A solvent-free process employs a multifunctional carbon black to prepare compositions and electrodes for lithium-ion batteries. The multifunctional carbon black provides two or more desirable characteristics, acting, for example, as a conductive carbon additive, as a fibrillizing agent and/or as a mechanical reinforcement. In one example, an electroactive material, e.g., graphite or a lithium transition metal compound, a binder and a multifunctional carbon black are combined in one or more steps. High shear mixing is used to process the binder in the presence of the multifunctional carbon black. The resulting composition can be formed into a film which can be applied onto a suitable substrate to produce an electrode.
01 - Chemical and biological materials for industrial, scientific and agricultural use
02 - Paints, varnishes, lacquers
Goods & Services
(1) Carbon black for industrial purposes; chemicals for the manufacture of pigments; chemicals for the manufacture of paints.
(2) Carbon black for use as a colorant.
01 - Chemical and biological materials for industrial, scientific and agricultural use
02 - Paints, varnishes, lacquers
Goods & Services
Carbon black for industrial purposes; chemicals for the manufacture of pigments; chemicals for the manufacture of paints. Carbon black for use as a colorant.
Conductive inks containing carbon nanostructures (CNS) are used to produce electrothermal heating elements. The use of carbon nanostructures decreases the amount of other conductive fillers, including metallic fillers, required to achieve similar temperatures. Small amounts of carbon nanostructures are used to formulate inks that can achieve temperatures in excess of 300 °F (149 °C).
Conductive inks containing carbon nanostructures (CNS) are used to produce electrothermal heating elements. The use of carbon nanostructures decreases the amount of other conductive fillers, including metallic fillers, required to achieve similar temperatures. Small amounts of carbon nanostructures are used to formulate inks that can achieve temperatures in excess of 300 oF (149 oC).
Methods to produce carbonblack from low-yielding carbon black feedstocks are described using a process that involves the use of electrical energy to cause formation of carbon black from a carbon black feedstock(s). Carbon blacks produced from these carbon black feedstocks are further described. The advantages achieved with the methods are further described.
Methods to produce carbon black from low-yielding carbon black feedstocks are described using a process that involves the use of electrical energy to cause formation of carbon black from a carbon black feedstock(s). Carbon blacks produced from these carbon black feedstocks are further described. The advantages achieved with the methods are further described.
01 - Chemical and biological materials for industrial, scientific and agricultural use
02 - Paints, varnishes, lacquers
Goods & Services
carbon black for industrial purposes; chemicals for the manufacture of pigments; chemicals for the manufacture of paints Carbon black for use as a colorant
A CNS millbase dispersion, comprises a solvent and up to 0.5 wt % of at least one CNS-derived material dispersed in the millbase dispersion and selected from the group consisting of: carbon nanostructures, fragments of carbon nanostructures, fractured carbon nanotubes, and any combination thereof. The carbon nanostructures or fragments of carbon nanostructures include a plurality of multiwall carbon nanotubes that are crosslinked in a polymeric structure by being branched, interdigitated, entangled and/or sharing common walls, and the fractured carbon nanotubes are derived from the carbon nanostructures and are branched and share common walls with one another. A Brookfield viscosity of the dispersion measured at room temperature at 10 rpm is less than 3000 cP.
11 at a temperature 60 °C greater than the highest temperature at which the resin undergoes a thermal transition. The polymer resin further has either a solubility in a 1:1 (w/w) mixture of butyl acetate and propylene glycol methyl ether acetate of at least 5 wt%, an acid number of at least 100, or both.
A composition contains 5-15 wt% CNS-derived species and a polymer resin having a hydroxyl content of at least 1.5 wt% and a melt viscosity of at least 8 Pa.s at a shear rate of 0.1 s1 at a temperature 60 ℃ greater than the highest temperature at which the resin undergoes a thermal transition. The polymer resin further has either a solubility in a 1:1 (w/w) mixture of butyl acetate and propylene glycol methyl ether acetate of at least 5 wt%, an acid number of at least 100, or both.
Methods to produce carbon black from low-yielding carbon black feedstocks are described. Carbon blacks produced from these carbon black feedstocks are further described. The advantages achieved with the methods are further described.
Methods to produce carbon black from low-yielding carbon black feedstocks are described. Carbon blacks produced from these carbon black feedstocks are further described. The advantages achieved with the methods are further described.
Methods to produce carbon black from low-yielding carbon black feedstocks are described. Low-yielding feedstocks are used in combination with traditional carbon black feedstocks to produce carbon black via a furnace process. Carbon blacks produced from these carbon black feedstocks are further described. The advantages achieved with the methods are further described.
Surface treated silica containing particles are combined with a resin to form a liquid prepolymer composition for use in additive manufacturing. A surface treatment on the silica containing particles may participate in polymerization of the composition. The silica containing particles may be colloidal silica or a silica polymer composite particle.
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Aerogel being chemicals for use in the manufacture of insulation materials Aerogel and aerogel-containing products for insulation, namely, thermal insulation material comprised of aerogel for use in insulation materials for electric vehicle batteries; aerogel-based insulating materials
81.
SILICONE-BASED COMPOSITIONS CONTAINING CARBON NANOSTRUCTURES FOR CONDUCTIVE AND EMI SHIELDING APPLICATIONS
Carbon nanostructures are used to prepare curable silicone-based compositions that can be used to manufacture various molded parts for EMI shielding applications. In one illustration, a cured material includes carbon nanostructures, fragments of carbon nanostructures, fractured carbon nanotubes, elongated carbon strands, and/or dispersed carbon nanostructures dispersed in a silicone component.
A method to produce carbon black includes, in a carbon black reactor having combustion zone and a reaction zone and a feedstock injection zone therebetween, converting a portion of at least one hydrocarbon feedstock to carbon black in the presence of combustion gases generated by burning a fuel in an oxidation gas mixture containing low amounts of nitrogen to form a product stream in which carbon black is carried by hot gases. The carbon black is separated from the hot gas, which is then processed to produce a flue gas high in carbon dioxide and low in nitrogen at least a portion of which is redirected to at least one of the combustion zone, the reaction zone, and the feedstock injection zone.
A method to produce carbon black includes, in a carbon black reactor having combustion zone and a reaction zone and a feedstock injection zone therebetween, converting a portion of at least one hydrocarbon feedstock to carbon black in the presence of combustion gases generated by burning a fuel in an oxidation gas mixture containing low amounts of nitrogen to form a product stream in which carbon black is carried by hot gases. The carbon black is separated from the hot gas, which is then processed to produce a flue gas high in carbon dioxide and low in nitrogen at least a portion of which is redirected to at least one of the combustion zone, the reaction zone, and the feedstock injection zone.
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
Goods & Services
(1) Chemical composites containing carbon black for use in the further manufacture of tires and industrial rubber products
(2) Engineered elastomer composites for use in the further manufacture of tires and industrial rubber products; rubber composites for use in further manufacture of tires and industrial rubber products
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Carbon black for use in industry; Carbon, and blends thereof; Chemicals for use in industry; Chemicals for use in industry namely composites, including engineered elastomer composites, plastic masterbatches; Polymers for industrial use.
An epoxy composition containing CNS-derived fragments provides conductivity and surface hardness. In one illustration, the epoxy composition includes carbon nanostructures, fragments of carbon nanostructures, fractured carbon nanotubes, elongated carbon strands, and/or dispersed carbon nanostructures dispersed in an epoxy resin. The epoxy composition may also include additional fillers or other additives.
H01B 1/24 - Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon, or silicon
A composite polymer composition comprising partially crystallized carbon black. The composition exhibits superior thermal transfer properties in plastic formulations. The polymer precursor exhibits excellent rheology when compared to similar compositions comprising traditional carbon blacks. The composite polymers provide for higher loading of more thermally conductive carbon blacks in a variety of composite polymer compositions.
An epoxy composition containing CNS-derived fragments provides conductivity and surface hardness. In one illustration, the epoxy composition includes carbon nanostructures, fragments of carbon nanostructures, fractured carbon nanotubes, elongated carbon strands, and/or dispersed carbon nanostructures dispersed in an epoxy resin. The epoxy composition may also include additional fillers or other additives.
Hydrophobic silica is combined with a polyether in an in situ process for producing thermoplastic polyurethane with superior mechanical properties. The resulting thermoplastic polyurethane may be used in a variety of applications, including midsoles and outsoles in footwear and in wire insulation, hoses, films, wheels and tires, and drilling/mining screens.
A method of producing a thermoplastic elastomer includes providing a polyether composition comprising at least a first diol terminated polyether having a number average molecular weight of 400-6000 and up to 15 wt% of fumed silica having C1-C8 alkylsilyl groups or acrylate or methacrylate ester groups at its surface, combining the polyether composition with optional additional first polyether and either a) at least one dicarboxylic acid and at least one organic diol having a molecular weight less than 250 or b) at least one dicarboxylate terminated polyamide, to form a prepolymer composition, and allowing the prepolymer composition to polymerize to form a thermoplastic elastomer.
A method of producing a thermoplastic elastomer includes providing a polyether composition comprising at least a first diol terminated polyether having a number average molecular weight of 400-6000 and up to 15 wt % of fumed silica having C1-C8 alkylsilyl groups or acrylate or methacrylate ester groups at its surface, combining the polyether composition with optional additional first polyether and either a) at least one dicarboxylic acid and at least one organic diol having a molecular weight less than 250 or b) at least one dicarboxylate terminated polyamide, to form a prepolymer composition, and allowing the prepolymer composition to polymerize to form a thermoplastic elastomer.
Hydrophobic silica is combined with a polyether in an in situ process for producing thermoplastic polyurethane with superior mechanical properties. The resulting thermoplastic polyurethane may be used in a variety of applications, including midsoles and outsoles in footwear and in wire insulation, hoses, films, wheels and tires, and drilling/mining screens.
C08K 9/06 - Ingredients treated with organic substances with silicon-containing compounds
C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
C08G 18/24 - Catalysts containing metal compounds of tin
Methods for the production of densified granules of graphene oxide worm (rGOW) particles. Graphene oxide worms are combined with a liquid to produce densified granules of graphene oxide worms. The granules can be easily processed and can incorporated into polymeric compositions such as elastomers. Also disclosed are masterbatch and composite materials made by combining the granules with a polymer.
Carbon nanostructures are used to prepare electrode compositions for lithium ion batteries. In one example, an anode for a Li ion battery includes three-dimensional carbon nanostructures made of highly entangled nanotubes, fragments of carbon nanostructures and/or fractured nanotubes, which are derived from the carbon nanostructures, are branched and share walls with one another. Amounts of carbon nanostructures employed can be less than or equal to 0.5 weight % relative to the weight of the electrode composition.
Carbon nanostructures are used to prepare electrode compositions for lithium ion batteries. In one example, a cathode for NCM batteries includes three-dimensional carbon nanostructures which are made of highly entangled nanotubes, fragments of carbon nanostructures and/or fractured nanotubes which are derived from the carbon nanostructures, are branched and share walls with one another. Amounts of carbon nanostructures employed can be less than or equal to 1 weight % relative to the electrode composition.
Carbon nanostructures are used to prepare electrode compositions for lithium ion batteries. In one example, carbon nanostructures, fragments of carbon nanostructures and/or fractured carbon nanotubes are provided in an aqueous dispersion that can be used in the manufacture of silicon-containing anodes. The aqueous dispersion can further include another conductive carbon additive such as carbon black.