Abstract: The present invention relates to lithium metal oxide nanoparticles and a method for preparing the same and provides lithium metal oxide nanoparticles each having a shape of a hexahedron with a square outer cross section or a hexahedron with at least one chamfered corner and comprising a hollow of which a cross section is a square or a square having at least one chamfered corner, and a method for preparing the same, so that the lithium metal oxide nanoparticles can be utilized as an electrode material of a next-generation electronic device in which a contact area between an electrode and an electrolyte is increased to improve the charge and discharge rate characteristics and improve the conductivity.

Abstract: The present invention relates to a metal-organic framework and an energy storage system having the same, and more specifically, to an energy storage system that is capable of providing excellent electrical conductivity and electrochemical capacity properties, especially excellent electrochemical performance at low temperatures, by means of a novel one-dimensional metal-organic framework having thianthrene-based organic ligands.

Abstract: The present invention relates to a metal-organic framework and an energy storage system having the same, and more specifically, to an energy storage system that is capable of providing excellent electrical conductivity and electrochemical capacity properties, especially excellent electrochemical performance at low temperatures, by means of a novel one-dimensional metal-organic framework having thianthrene-based organic ligands.

Abstract: The present disclosure relates to a two-dimensional Ni-organic framework/rGO composite including: a two-dimensional electroconductive Ni-organic framework in which Ni and an organic ligand containing a substituted or unsubstituted C6-C30 arylhexamine are repeatedly bonded in a branched form; and reduced graphene oxide (rGO). Thus, when a composite of reduced graphene oxide (rGO) and a two-dimensional Ni-MOF is prepared and used as an energy storage electrode material, the two-dimensional Ni-organic framework/rGO composite of the present disclosure can exhibit higher discharge capacity per weight due to the synergistic effect of rGO and Ni-MOF as compared to when Ni-MOF is used alone, and the composite can be used to manufacture a thin-film type electrode, which can be used as a next-generation energy storage electrode having high mechanical bending strength and energy density per volume.

Abstract: Disclosed is a method of manufacturing carbonized fine cellulose, which enables the formation of carbonized nano-sized cellulose by subjecting cellulose to drying, carbonization, and pulverization by means of shock waves using ultrasonic waves and microbubbles, thus realizing mass producibility, making it possible to fabricate a carbonized nano-sized material having uniform quality, and reducing the manufacturing costs. The carbonized fine cellulose is in the form of a nano-sized uniform carbon powder, and can thus be utilized as a catalyst support in various forms, such as fuel cell electrodes, electrodes of energy storage devices such as supercapacitors or secondary batteries, catalyst supports for micro-nano hybrid reactors, etc.

Abstract: Provided are a carbon electrode particularly suitable to be used as a negative electrode of an energy storing apparatus and the like and a method for manufacturing the same by forming the carbon electrode by heat-treating a natural carbon material such as a natural fiber sheet including a natural fiber or cellulose sheet including a natural cellulose fiber which is a natural material other than a petroleum-based material or a petroleum-based synthetic material to reduce manufacturing cost, shorten a manufacturing process, minimize discharge of a hazardous substance, and uniformly maintain storage capacitance even in repeated charging and discharging when being applied to the energy storing apparatus. The carbon electrode includes any one of an alkaline metal particle and an alkaline earth metal particle having an average particle size of less than 100 nm which is formed on a surface in a process of carbonizing a natural carbon material.

Abstract: Disclosed is a method of manufacturing carbonized fine cellulose, which enables the formation of carbonized nano-sized cellulose by subjecting cellulose to drying, carbonization, and pulverization by means of shock waves using ultrasonic waves and microbubbles, thus realizing mass producibility, making it possible to fabricate a carbonized nano-sized material having uniform quality, and reducing the manufacturing costs. The carbonized fine cellulose is in the form of a nano-sized uniform carbon powder, and can thus be utilized as a catalyst support in various forms, such as fuel cell electrodes, electrodes of energy storage devices such as supercapacitors or secondary batteries, catalyst supports for micro-nano hybrid reactors, etc.

Abstract: A method for preparing a carbon dioxide absorbent based on natural biomass, and a carbon dioxide absorbent based on natural biomass that is prepared by the method. The method utilizes alkali metal or alkaline earth metal components, such as Ca, Ma and K, inherent to a natural plant biomass material. The method can provide a carbon dioxide absorbent with improved performance in an environmentally friendly manner at greatly reduced cost.

Abstract: Provided is a method of synthesizing boron nitride, comprising the steps of: preparing a boron compound and a nitrogen compound; mixing the boron compound and the nitrogen compound in a non-aqueous solvent; forming an ester compound by melting the mixture in the non-aqueous solvent; dehydrating the ester compound; and forming boron nitride by nitriding the ester compound in a reductive atmosphere.

Abstract: Provided are a carbon electrode particularly suitable to be used as a negative electrode of an energy storing apparatus and the like and a method for manufacturing the same by forming the carbon electrode by heat-treating a natural carbon material such as a natural fiber sheet including a natural fiber or cellulose sheet including a natural cellulose fiber which is a natural material other than a petroleum-based material or a petroleum-based synthetic material to reduce manufacturing cost, shorten a manufacturing process, minimize discharge of a hazardous substance, and uniformly maintain storage capacitance even in repeated charging and discharging when being applied to the energy storing apparatus. The carbon electrode includes any one of an alkali metal particle and an alkali earth metal particle having an average particle size of less than 100 nm which is formed on a surface in a process of carbonizing a natural carbon material.

Abstract: The present disclosure relates to a catalyst having metal catalyst nanoparticles supported on natural cellulose fibers and a method of preparing the same, whereby natural cellulose fibers are subjected to specific pretreatment to increase a surface area and form defects on the surface thereof and metal catalyst nanoparticles are then supported on the cellulose catalyst support in a highly dispersed state, thereby providing improved catalysis while allowing production of the catalyst at low cost. The catalyst may be utilized for various catalytic reactions.

Abstract: The present disclosure relates to a catalyst having metal catalyst nanoparticles supported on natural cellulose fibers and a method of preparing the same, whereby natural cellulose fibers are subjected to specific pretreatment to increase a surface area and form defects on the surface thereof and metal catalyst nanoparticles are then supported on the cellulose catalyst support in a highly dispersed state, thereby providing improved catalysis while allowing production of the catalyst at low cost. The catalyst may be utilized for various catalytic reactions.

Abstract: A method of preparing a catalyst using an alkali metal or an alkaline earth metal in natural cellulose fibers as a co-catalyst and a dispersant. The catalyst is prepared using an alkali metal or an alkaline earth metal as a co-catalyst and a dispersant, thus increasing the dispersibility of catalytic components and enhancing the interactions between the catalyst and the support to thereby retard agglomeration and increase the durability of the catalyst.

Abstract: Disclosed is an eco-friendly incombustible biocomposite including: a) a polymer matrix comprising a natural fiber; and b) a ceramic sheet laminated integrally with the polymer matrix. The biocomposite is eco-friendly since the natural fiber is used as a reinforcement material and is incombustible since it is laminated integrally with the ceramic sheet. Further, it has superior storage modulus, dimensional stability and flexural properties and lightweightness, and is processable into various structures. Thus, it is very useful for automotive or building indoor/outdoor materials.

Abstract: The present disclosure relates to a catalyst having metal catalyst nanoparticles supported on natural cellulose fibers and a method of preparing the same, whereby natural cellulose fibers are subjected to specific pretreatment to increase a surface area and form defects on the surface thereof and metal catalyst nanoparticles are then supported on the cellulose catalyst support in a highly dispersed state, thereby providing improved catalysis while allowing production of the catalyst at low cost. The catalyst may be utilized for various catalytic reactions.

Abstract: Disclosed herein is a carbonized cellulose material having a graphite nanosized surface layer directly carbonized from a cellulose fiber, and a method of synthesizing a carbonized cellulose material having a graphite nanolayer on a surface thereof, including: i) heating a cellulose fiber in a reactor; ii) forming a primary carbonized cellulose while maintaining temperature of the reactor; iii) cooling the formed primary carbonized cellulose; iv) heating the cooled primary carbonized cellulose; v) forming a secondary carbonized cellulose while maintaining temperature of the reactor; vi) cooling the formed secondary carbonized cellulose.

Abstract: A method of preparing a catalyst using an alkali metal or an alkaline earth metal in natural cellulose fibers as a co-catalyst and a dispersant. The catalyst is prepared using an alkali metal or an alkaline earth metal as a co-catalyst and a dispersant, thus increasing the dispersibility of catalytic components and enhancing the interactions between the catalyst and the support to thereby retard agglomeration and increase the durability of the catalyst.

Abstract: Disclosed is a novel cellulose electrode having high performance, which is capable of substituting for carbon paper used as a conventional fuel cell electrode. A method of manufacturing the cellulose electrode includes cutting cellulose fibers to a predetermined length and binding the fibers, or directly weaving the fibers, thus producing a cellulose sheet, directly growing carbon nanotubes on the cellulose sheet, and supporting a platinum nano-catalyst on the surface of the carbon nanotubes using chemical vapor deposition. An electrode including the cellulose fibers and use of cellulose fibers as fuel cell electrodes are also provided. As a novel functional material for fuel cell electrodes, porous cellulose fibers having micropores are used, thereby reducing electrode manufacturing costs and improving electrode performance.

Abstract: Disclosed herein are a microtubular honeycomb carbon material obtained by heat-treating cellulose fiber, a production method thereof, a microtubular reactor module fabricated using the microtubular honeycomb carbon, a method for producing the microtubular reactor module, and a microcatalytic reactor system comprising the microtubular reactor module. A carbon material having a new structure is produced by heat-treating cellulose fiber, and a catalytic reactor system having a new structure is constructed by coating the surface of the carbon material with a metal catalyst. Cellulose carbide, used as the reactor material, is very simple to produce. Because it has a micro honeycomb structure having a large number of microchannels and a large number of mesopores, it can be loaded with a large amount of a catalyst compared to the prior material having the same area, and thus it is useful as a catalyst support, and the reaction efficiency can be maximized.

Abstract: Disclosed is an eco-friendly incombustible biocomposite including: a) a polymer matrix comprising a natural fiber; and b) a ceramic sheet laminated integrally with the polymer matrix. The biocomposite is eco-friendly since the natural fiber is used as a reinforcement material and is incombustible since it is laminated integrally with the ceramic sheet. Further, it has superior storage modulus, dimensional stability and flexural properties and lightweightness, and is processable into various structures. Thus, it is very useful for automotive or building indoor/outdoor materials.