Abstract: The present invention is directed to a method for producing a thermally stabilized agglomerated lignin-carbon composite material. The method involves the steps of providing an agglomerated lignin-carbon composite material comprising lignin and at least one carbon additive; and heating the agglomerated lignin-carbon composite material to obtain the thermally stabilized agglomerated lignin-carbon composite material. The invention is also directed to a granular carbon-carbon composite material obtained by heat treatment of the thermally stabilized agglomerated lignin-carbon composite material.

Abstract: An oxynitride ceramic material includes a Ca7-8 Al15-15.5Si17-18O56-57N5-6 material and a Li6-4La3Zr1.4Ta0.6O12 material in an amount of 10 to 80 percent by weight (wt. %) based on a total weight of the oxynitride ceramic material. The oxynitride ceramic material is crystalline and includes phases including a lanthanum zirconium oxide (La2Zr2O7) phase, a lanthanum tantalum oxynitride (LaTaON2) phase, a lithium aluminate (LiAlO2) phase, a zirconium silicate (ZrSiO2) phase, and a lithium aluminosilicate (LiAlSi3O8) phase.

Abstract: A method for producing a lithium metal composite oxide includes charging a substance to be treated from an inlet of a heating facility including a rotary cylinder having the inlet and an outlet, rotating the rotary cylinder around an axis of the rotary cylinder under supply of an oxygen-containing gas to move the substance in a direction toward the outlet and heat the substance, and discharging the heated substance from the outlet, in which the substance includes one of a mixture of a metal composite compound and a lithium compound and a reactant of the metal composite compound and the lithium compound, in a heating region of the heating facility, an average movement distance of the substance where a surface of a layer of the substance is moved is 13 m or more, and a temperature in the heating region is 700 to 900° C.

Abstract: The present disclosure relates to a plurality of host materials comprising a first host material having a compound represented by formula 1, and a second host material having a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds of the present disclosure as host materials, it is possible to provide an organic electroluminescent device having long lifetime properties while having an equivalent or improved level of power efficiency compared to conventional organic electroluminescent devices.

Abstract: A cementitious nano-engineered method and resultant composite includes a modified aggregate material configured from a plurality of fine aggregate particles (FAg) particles pretreated with a graphene oxide (GO), wherein the graphene oxide (GO) is further arranged as a plurality of crosslinked structures that arranges for a refined interfacial zone (ITZ) with a thickness of 3 ?m to 10 ?m; and a water/cement (w/c) ratio content configured with the modified aggregate material. The interface of modified aggregate and a cementitious phase largely determines the mechanical properties and durability performances of cement mortar and concrete. Moreover, the methods and composites also provide for a targeted and more efficient approach to develop smart cement composites through nanoengineering of the interfacial transition zone.

Abstract: Provided is an electrode composite material for a secondary battery that can satisfy both the electronic conductivity and the ionic conductivity at a high level and thus effectively increase the battery characteristics. An electrode composite material for a secondary battery contains a positive-electrode active material and a conductive agent, the positive-electrode active material containing: (i) at least one transition metal element selected from the group consisting of Cr, Fe, Mn, Co, Ni, Ti, and Nb; (ii) at least one element selected from the group consisting of P, Si, and B; and (iii) an element consisting of O, the conductive agent containing a fibrous carbon.

Abstract: Proposed are a lithium secondary battery cathode active material doped with B and Sn and a lithium secondary battery including the cathode active material. The B and Sn doping enables a cathode capable of solving problems occurring in a high-nickel cathode, such as (1) an electrolyte side reaction on the surface, 2) a crystal structure collapse, 3) oxygen release, 4) inert Ni4+ generation; 5) cation mixing, and 6) transition metal elution. This improves the life span of a lithium secondary battery.

Abstract: The invention pertains generally to a composition which comprises: at least one two-part epoxy resin; Part A of the epoxy resin comprising at least one polyepoxide; and Part B of the epoxy resin comprising at least one amine hardener, at least one single-walled carbon nanotube; at least one polyhedral silsesquioxane; a coated composition of the two-part epoxy resin having a conductivity of a maximum of 1.0×109 ohms; and the coated composition having a gloss as measured by a reflected image quality of the coated composition is at least 50.

Abstract: A conductive two-dimensional particle of a layered material comprising one layer or one layer and plural layers, wherein the layer includes a layer body represented by: MmXn, and a modifier or terminal T exists on a surface of the layer body, wherein T is at least one selected from the group consisting of a hydroxyl group, a fluorine atom, a chlorine atom, an oxygen atom, or a hydrogen atom; and a monovalent metal ion, wherein the conductive two-dimensional particle does not contain an amine, a total content of chlorine and bromine in the conductive two-dimensional particle is 1,500 ppm by mass or less, and an average value of a major diameter of a two-dimensional surface of the conductive two-dimensional particle is 1.0 ?m to 20 ?m.

Abstract: The present disclosure provides a polymer blend that includes at least two polymers which are immiscible to one another and a carbon nanotube pulp comprising entangled carbon nanotubes as a compatibilizing agent and to a method of preparing the same.

Abstract: A conducting composition includes a topological polymer (e.g., a polyrotaxane polymer) and poly(3,4-ethylene-dioxy thiophene):polystyrene sulfonate (PEDOT:PSS). Devices may include a conducting layer including the conducting compositions, e.g., a device comprising a conducting layer, wherein the conducting layer includes a polyrotaxane polymer and a PEDOT:PSS array. The devices are useful in bioelectronics, including high-resolution electrophysiological monitoring of deformable tissues and localized neuromodulation for high-precision control of individual muscle activities.

Abstract: The present invention relates to a lithium ion battery negative electrode active material that includes an Si phase, an Si—Zr compound phase, an Si—X compound phase, and an Sn—Cu compound phase, X being at least one element selected from the group that consists of Fe, Ni, Co, Mn, Ti, V, and Cr, the Sn—Cu compound phase fraction of the whole being 0.1-18 mass %, and the Si phase fraction being 10-90 mass %.

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.