Abstract: A positive electrode active material having high capacity and excellent cycle performance is provided. The positive electrode active material has a small difference in a crystal structure between the charged state and the discharged state. For example, the crystal structure and volume of the positive electrode active material, which has a layered rock-salt crystal structure in the discharged state and a pseudo-spinel crystal structure in the charged state at a high voltage of approximately 4.6 V, are less likely to be changed by charge and discharge as compared with those of a known positive electrode active material.

Abstract: The present disclosure describes methods of deagglomerating, debundling, dispersing, and functionalizing carbon nanomaterials in a medium using a process that does not damage the properties of the carbon nanomaterials. Three exemplary types of carbon nanomaterials are conductive carbon black, graphene, and carbon nanotubes (CNT), including single-wall carbon nanotubes (SWCNT). Once the carbon nanomaterials are dispersed in the medium, the resulting carbon nanomaterial dispersion can be subjected to further processing or blended with additional components to form a coating or polymer composite material suitable for molding structural components. The dispersed carbon nanomaterial can provide the resulting part or component with desirable mechanical and electrical properties such as static dissipation and conductivity.

Abstract: The present application discloses a nickel-cobalt-manganese ternary positive electrode material nanorod and the use thereof. The chemical general formula of the nickel-cobalt-manganese ternary positive electrode material nanorod is LiNi1-x-y-zCoxMnyAlzO2, where 0<x<1, 0<y<1, and 0?z?0.05; the nickel-cobalt-manganese ternary positive electrode material nanorod has a section diameter of 50-200 nm and a length of 0.1-5 ?m. In the present application, a mixed metal salt solution of nickel, cobalt, manganese, aluminum and lithium and 8-hydroxyquinoline are subjected to complex-precipitation to generate a precipitate containing nickel, cobalt, manganese, aluminum and lithium, and then the precipitate is calcined to prepare a ternary positive electrode material nanorod.

Abstract: A conductive material dispersion includes a carbon-based conductive material, a main dispersant, an auxiliary dispersant, and a dispersion medium, wherein the main dispersant is a nitrile-based copolymer and the auxiliary dispersant is a copolymer including an oxyalkylene unit and at least one selected from the group consisting of a styrene unit and an alkylene unit.

Abstract: A method for producing a positive electrode active material for a lithium secondary battery capable of reducing the amount of the lithium compound to be eluted and improving the cycle characteristic and the discharge rate characteristic of a lithium secondary battery is achieved. According to one embodiment of the present invention, a method for producing a positive electrode active material for a lithium secondary battery includes a step of mixing a powder P2 having a specific molar specific surface area and containing a sulfate and/or a phosphate of a specific metal with a powder P1 containing a lithium metal composite oxide.

Abstract: A conductive composition for electrode formation contains an organometallic compound containing a metal element, and an organic solvent. The conductive composition is substantially free of metal particles.

Abstract: Disclosed is a method for manufacturing a precursor composition of a silicon carbide-containing material, wherein nanoscale silicon dioxide, in particular fumed silica, and nanoscale carbon, in particular carbon black, are mixed. Also disclosed are a precursor composition manufactured in this way, a method for manufacturing a silicon carbide-containing material from the precursor composition and a silicon carbide-containing material manufactured in this way.

Abstract: Exemplary secondary particles may include a porous polymer matrix comprising polyacrylonitrile (PAN) and polypyrrole (PPy), and a plurality of submicron-sized primary particles dispersed in the porous polymer matrix. The plurality of submicron-sized primary particles may comprise at least one of: carbon (C), silicon (Si), germanium (Ge), tin (Sn), or an alloy of a Group IVA element.

Abstract: An object of the present invention is a method for recycling a metal or several metals M selected from among those belonging to the columns 8 to 12 of the periodic table of elements, present at least partially in the form of metal sulphides in a porous material A comprising at least one mineral oxide and having a sulphur content higher than or equal to 2% by weight. Said method comprises the following successive steps: (1) at least one step of heat treatment of the material A in the presence of oxygen, at a temperature comprised within the range from 350° C. to 900° C.

Abstract: A dispersion of graphenic carbon nanoparticles is disclosed comprising a solvent, greater than one weight percent graphenic carbon nanoparticles based upon a total weight of the dispersion comprising thermally produced graphenic carbon nanoparticles and base graphene particles, and a polymeric resin dispersant. The weight ratio of the graphenic carbon nanoparticles to the dispersant may be greater than 5:1, and the dispersion may have an instability index of less than 0.7. A method is also disclosed for dispersing graphenic carbon particles in a solvent. A polymeric resin dispersant is mixed into the solvent, and graphenic carbon nanoparticles comprising thermally produced graphenic carbon nanoparticles and base graphenic particles are dispersed into the solvent.

Abstract: The present invention relates to a composite comprising a polymer matrix, graphene and at least one thermally conductive inorganic filler, wherein the graphene and the at least one thermally conductive inorganic filler are dispersed within the polymer matrix. The composites have high thermal conductivities and are particularly useful in solar thermal collectors and other heat exchangers.

Abstract: A method of storing an antioxidant mixture includes storing an antioxidant mixture containing an antioxidant and an aluminum compound represented by the following formula (3): AlR3 (3) wherein R moieties each independently represent a halogen atom or an alkyl group having 3 or more carbon atoms.

Abstract: Provided are conductive slurries with copper nanoplates. The copper nanoplates may be functionalized with formate groups and/or graphene or a graphene material. The slurries may be used as conductive inks, which may be used in 3D printing applications. Also provided are methods of making and using same.

Abstract: An aspect of the present invention relates to a stretchable resin composition containing an epoxy resin and a curing agent, in which the epoxy resin has a weight average molecular weight of 50,000 or more and 3,000,000 or less and a polydispersity of average molecular weights (Mw/Mn) that satisfies the following Formula (1): 1.1?Mw/Mn?3.0(1) (wherein, Mn represents a number average molecular weight and Mw represents a weight average molecular weight), the curing agent is a crystalline compound, and a glass transition temperature of a cured product of the stretchable resin composition is 60° C. or less.

Abstract: A cathode slurry composition according to an aspect includes a cathode active material, an acrylic dispersant, and a solvent. The cathode slurry composition has a solids content of 65% by weight or more, and a shear viscosity value of 150 Pa·s or less measured at a temperature of 25° C. and a shear rate of 1/s. According to the aspect, a cathode slurry composition having excellent dispersibility, flowability, and the like, as aggregation between active cathode material particles is suppressed, and having a relatively high solids content and low shear viscosity may be provided. According to the cathode slurry composition, a cathode for a secondary battery may be formed having excellent processability without limitations on electrode loading design, coating speed setting, and the like.

Abstract: A phenol compound represented by the following general formula (1A) makes it possible to provide a phenol compound as an additive for a conductive paste composition having a small decrease in electric conductivity in repetitive elongations and shrinkages and excellent printing processability, a conductive paste composition containing the additive, and a conductive wire made by using the conductive paste composition

Abstract: An oxidation resistant absorbent for capturing carbon dioxide from a gas stream. The oxidation resistant absorbent includes an alkanolamine with a weight percent in a range of 10 wt. % to 35 wt. % to a total amount of the oxidation resistant absorbent, a base with a weight percent in a range of 1 wt. % to 15 wt. % to a total amount of the oxidation resistant absorbent, a plurality of nanoparticles with a weight percent in a range of 0.1 wt. % to 3 wt. % to a total amount of the oxidation resistant absorbent, and water.

Abstract: A composition for absorbing carbon dioxide including an ionic liquid (A) containing a cation and an anion, and a protic compound (B) having a relative permittivity at 25° C. of 20 or more, wherein the cation at least includes a cation represented by the formula (1), the anion includes an anion where an acid dissociation constant (pKa) at 25° C. of its conjugate acid in water is 4.5 or more, and the ratio of a value obtained by multiplying the number of hydroxyl groups of the protic compound (B) by the number of moles of the protic compound (B) to the number of moles of the ionic liquid (A) [number of moles of protic compound (B)/number of moles of ionic liquid (A)] is 0.2 to 1.0: wherein R1 and R2 each independently represent a hydrogen or a C1-C6 linear alkyl group.

Abstract: The technology is based on a conducting, ferromagnetic ink made from, in an aqueous suspension: conducting nanopolymers, ferromagnetic nanoparticles, an adhesion promoter and optionally, a surfactant and/or stabilizer. The ink is used to form reversible physical and electrical connections between e.g., rigid and flexible devices. In some aspects, the conducting nanopolymers are PEDOT:PSS (poly(3,4-ethylenedioxythiophene) polystyrene sulfonate) nanopolymers and the magnetic nanoparticles are iron oxide nanoparticles. The ink, which may be magnetic, is used to form solid, flexible, ferromagnetic conducting designs or nodes which may also be magnetic. The flexible, ferromagnetic conducting designs or nodes are used to form reversible magnetic electrical connections with devices such as potentiostats and data telemetry devices.

Abstract: Concentrated dispersions of silver nanowires are used to prepare qualitatively distinct silver structures with a range of properties. The concentrated dispersions can have a high weight percent of silver nanowires and can be formulated to be flowable liquids or non-flowing pastes. The concentrated dispersions can be stable with no visible settling over the course of a week, can have non-Newtonian rheology, and can be diluted to a desired weight percent of silver nanowires without detrimental effects on the uniformity of the dispersions. The concentrated dispersions can be formulated with or without polymers or pre-polymer components. The concentrated dispersions can be formulated with silver salts to adjust dispersion of the silver nanowires and to improve electrical conductivity of cured silver structures formed from the dispersions. Methods for forming the concentrated dispersions are described as are methods to form silver structures from the dispersions.