This technology relates to a carbon nanotube nonwoven fabric for electromagnetic shielding and a method for manufacturing it. In particular, it is a technology capable of producing a nonwoven fabric with excellent mechanical strength and significantly low basis weight while ensuring shielding from electromagnetic waves.
Existing nanocarbons modified through acid treatment suffered from a decline in mechanical, chemical, and electrical properties due to damage to their intrinsic structure, resulting in performance degradation of nanocarbon/polymer composites. Accordingly, we propose a solution to this problem using carbon-based fibers, carbon nanotube powder, and a water-soluble, highly branched supramolecular linker with hydrophobic monomeric functional groups introduced at the ends to form non-covalent bonds with the carbon-based fibers.
Accordingly, this technology allows for the expectation of excellent mechanical strength and shielding effects against electromagnetic waves for carbon nanotube nonwoven fabrics, and offers advantageous benefits in terms of applicability and operational efficiency.
This technology relates to a service migration system in an edge computing environment.
To address the increased latency caused by frequent service interruptions and the inefficiency of edge cloud server resources, this technology proposes a technical concept that links core components with processing procedures.
Accordingly, this invention improves the efficiency of edge server resource usage, allows for effective reduction of service latency, and offers advantageous benefits in terms of applicability and operational efficiency.
This technology relates to a method for configuring three-phase coils. Specifically, it concerns a method for configuring three-phase coils in a bearingless motor that allows for determining a bearingless three-phase coil structure using the minimum number of coils through mathematical modeling.
As the adoption of electric vehicles accelerates and interest in energy conservation and environmental protection grows, the demand for energy-saving, high-efficiency motors is increasing. However, conventional motor systems are the components that fail first due to friction between rotor parts; to overcome this, non-contact support motors have been developed. This technology aims to present a generalized three-phase coil configuration method for the radial levitation of a bearingless slice motor as a method to minimize harmonic distortion in non-contact support motors.
This technology offers the advantage of presenting a generalized three-phase coil configuration for the radial levitation of a bearingless slice motor, and in particular, provides an organized determination method for coil configurations with various slots.
Non-Contact 3-Phase Coil Motor Configuration * Derivation of the magnetomotive force equations acting on the three-phase levitation windings and each slot for modeling the three-phase coil structure of a bearingless motor
This technology relates to polymers for binders and lithium secondary batteries containing them. In particular, it is a technology designed to increase performance, durability, stability, and applicability based on core materials, structures, processes, or device configurations related to binder polymers and lithium secondary batteries containing them.
We seek to solve the chronic problems that hinder practical application for high-capacity cathodes, which are reactive and change in the volume of particles. Accordingly, this technology applies as a key means the inclusion of a polymer for a binder with a specific chemical formula and properties, and proposes a technological concept that implements the polymer for the binder's ability to improve the lifespan and energy density of lithium secondary batteries.
Accordingly, the present invention can be expected to improve the lifespan and energy density of lithium secondary batteries, and can also increase reproducibility, scalability, and process suitability in actual use environments. In addition, it can be used as a high-performance material, device, battery, sensor, device, or manufacturing process in related industries, making it advantageous in terms of subsequent commercialization and demonstration.
This technology relates to heat-resistant steel powders for powder metallurgy that have high-temperature oxidation resistance and heat resistance and can withstand temperatures above 1,000°C while minimizing the content of expensive Co, and sintered bodies for high-temperature parts using the powders. In particular, it is a technology designed to increase performance, durability, stability, and applicability based on core materials, structures, processes, or device configurations related to high-temperature Fe-based alloy powders and sintered bodies using them.
It is intended to solve the problem of deterioration of internal combustion engine turbocharger component parts at low service temperature and high temperature, leading to poor component reliability. Accordingly, this technology applies Fe system alloy powder for high temperature parts containing specific weight percentages of elements such as Cr, Ni, Si, Al, Nb, C, Mo, Co and N as a key means, has high temperature oxidation resistance and heat resistance, and can maintain temperatures above 1,000°C while minimizing the expensive Co content. We propose a technological concept for implementing heat-resistant steel powder for powder metallurgy and sintered body for high-temperature parts using the powder.
Accordingly, the present invention can be expected to improve oxidation resistance at high temperature and heat resistance while reducing the expensive Co content of internal combustion engine turbocharger components, and can also increase reproducibility, scalability, and process suitability in actual use environments. In addition, it can be used as a high-performance material, device, battery, sensor, device, or manufacturing process in related industries, making it advantageous in terms of subsequent commercialization and demonstration.
This technology relates to an energy conversion device including a carbon composite thin film in which the salt particle concentration gradient is formed and a method of manufacturing the same, and to various energy storage devices such as batteries and supercapacitors. In particular, it is a technology designed to increase performance, durability, stability, and applicability based on core materials, structures, processes, or device configurations related to carbon composite thin films with salt particle concentration gradients, energy conversion devices containing them, and their manufacturing methods.
By introducing salt particles to increase the absolute amount of ions in carbon composite thin films, we seek to address the limitations of prior art methods for increasing ion concentration gradients, such as surface confinement and limited ion amount. Accordingly, the present technology applies a carbon composite thin film with a salt particle concentration gradient, a method for manufacturing said thin film using laser irradiation, and an energy conversion element using the thin film as key means, and proposes a concept whereby the formation of a salt particle concentration gradient within the carbon composite thin film enables an increased ion concentration gradient and enables improved energy conversion efficiency.
Accordingly, by forming a salt particle concentration gradient within the carbon composite thin film, the energy conversion efficiency and power density of the water-driven generator can be expected to be improved, and reproducibility, scalability, and process suitability in a practical environment can also be improved. In addition, it can be used as a high-performance material, device, battery, sensor, device, or manufacturing process in related industries, making it advantageous in terms of subsequent commercialization and demonstration.
This technology relates to vanadium oxide-carbon composite negative electrode active material, its manufacturing method, and lithium-ion batteries containing the same. In particular, it is a technology designed to increase the performance, structural stability, and application efficiency of battery materials and electrode designs based on a simple solvent thermal composition method.
Conventionally, very high V2O3 materials have been used as cathode active materials in lithium-ion batteries, which can suffer from low practical capacity, conductivity, and structural stability issues, leading to poor performance, process complexity, lack of stability, or limited application scope. Accordingly, this technology proposes a technological concept that implements the steps of dissolving ammonium metavanadate (NH4VO3) in a mixed solvent containing isopropanol and glycerol in a volume ratio of 43:7 by applying the step of dissolving m-ammonium vanadate in a solvent and the step of preparing a precursor as the core means.
Accordingly, the circulation stability effect of the V2O3/C composite active material can be expected, and stability, reproducibility, and scalability in actual use environments can be improved through a simple solvent heat composition method. In addition, it can be used as a high-performance material, device, device, or process technology in related industries, and is advantageous in terms of subsequent productization and process expansion, and is also suitable for demonstration deployment.
This technology relates to a composite for a lithium-ion metal hybrid battery anode and a method for manufacturing the same. In particular, it is a technology designed to enhance the performance, structural stability, and application efficiency of battery materials and electrode designs by incorporating cobalt oxide particles with a high oxidation state onto the surface of carbon fibers to improve lithium-ion storage and suppress lithium dendrite growth.
Conventionally, lithium-based batteries have faced issues with low capacity and low power, which could lead to performance degradation, process complexity, lack of stability, or limitations on the scope of application. Accordingly, this technology proposes a technical concept that implements a composite for a lithium-ion metal hybrid battery anode comprising carbon fibers and a cobalt-derived material formed on the surface of said carbon fibers by applying a configuration including said carbon fibers and a cobalt-derived material formed on said carbon fiber surface as a core means.
Accordingly, by enhancing lithium-ion storage and suppressing lithium dendrite growth, an improvement in the energy density of lithium-ion metal hybrid batteries can be expected. Furthermore, by incorporating cobalt oxide particles with a high oxidation state onto the surface of carbon fibers to improve lithium-ion storage and inhibit lithium dendrite growth, stability, reproducibility, and scalability in real-world operating environments can be simultaneously enhanced. Additionally, this technology can be utilized as a high-performance material, device, apparatus, or process technology in related industries. It is advantageous for subsequent commercialization and process expansion, and is suitable for demonstration deployment.
This technology relates to a long-life zinc sulfate-based aqueous zinc battery containing dimethyl isosorbide derivatives as electrolyte additives. In particular, it is a technology designed to enhance the performance, structural stability, and application efficiency of battery materials and electrode designs based on dimethyl isosorbide derivatives, which suppress electrolysis and improve zinc deposition uniformity.
Conventionally, zinc batteries have faced issues with non-uniform zinc dendrite formation, which could lead to performance degradation, process complexity, lack of stability, or limitations on the scope of application. Accordingly, this technology proposes a technical concept that implements a negative electrode; a positive electrode spaced apart from the negative electrode and containing a metal oxide as a positive active material; and a separator interposed between the negative electrode and the positive electrode, by applying a configuration comprising an electrolyte containing additives including water-soluble zinc salts and dimethyl isosorbide derivatives as a core means.
Accordingly, zinc dendrite formation effects can be expected, and stability, reproducibility, and scalability in real-world environments can be enhanced through dimethyl isosorbide derivatives that suppress electrolysis and improve zinc deposition uniformity. Furthermore, it offers the potential to be utilized as a high-performance material, device, apparatus, or process technology in related industries; it is advantageous for subsequent commercialization and process expansion, and is suitable for demonstration deployment.
This technology relates to an electrochemical continuous flow reactor and a methane conversion method for converting methane into ethanol using this reactor. In particular, it is a technology designed to enhance performance, durability, stability, and applicability based on key materials, structures, processes, or device configurations related to the electrochemical continuous flow reactor and the methane conversion method for converting methane into ethanol using it.
It aims to overcome the limitations of conventional batch reactors, which suffer from low productivity due to low methane solubility and can only activate methane in zero cycles. Accordingly, this technology proposes a technical concept that utilizes an electrochemical continuous flow reactor comprising a gas diffusion electrode, an anode fluid flow plate, and a cathode fluid flow plate as a core means, and enables the continuous activation and conversion of methane by directly injecting methane into the reactor.
As a result, this invention is expected to improve the conversion performance and productivity of the methane conversion process, and simultaneously enhance reproducibility, scalability, and process suitability in actual operating environments. Furthermore, it can be utilized as a high-performance material, device, battery, sensor, apparatus, or manufacturing process in related industries, making it advantageous in terms of subsequent commercialization and demonstration development.
Key Features:
This technology relates to a microdroplet-based microchip for digital recombinant enzyme-polymerase isothermal amplification and an isothermal amplification method using the same. In particular, it is a technology designed to enhance performance, durability, stability, and applicability based on core materials, structures, processes, or device configurations related to the microdroplet-based digital recombinant enzyme-polymerase isothermal amplification microchip and the isothermal amplification method using the same.
To address the limitations of existing recombinant enzyme-polymerase isothermal amplification methods, such as false positives and false negatives, by providing a microchip that forms high-efficiency microdroplets for low error rates and high-accuracy amplification, this technology applies a microchip having primary, branching, secondary, tertiary, junction, and quaternary channels as a core means for generating and manipulating microdroplets for isothermal amplification, and proposes a technical concept for forming high-efficiency microdroplets for low error rates and high-accuracy amplification using the microchip.
Accordingly, the present invention is expected to improve the sensitivity and accuracy of isothermal amplification reactions by providing a microchip that forms high-efficiency microdroplets for low error rates and high accuracy amplification, while simultaneously enhancing reproducibility, scalability, and process suitability in real-world usage environments. Furthermore, since it can be utilized in related industries as a high-performance material, device, battery, sensor, apparatus, or manufacturing process, it is advantageous in terms of subsequent commercialization and demonstration development.
Key Features:
This technology relates to Fe-based alloy powders for powder metallurgy components used as anti-abrasives, and to applications in the manufacture of rolling rolls and press rollers. In particular, it is a technology designed to enhance performance, durability, stability, and applicability based on key materials, structures, processes, or device configurations related to Fe-based alloy powders for wear-resistant parts.
This invention aims to resolve the limitations of alloy component content in solidification carbides and component separation in tool steel materials while maintaining excellent wear resistance and toughness. Accordingly, this technology proposes a technical concept that implements the control of micro-structures having controlled volume percentages of MC carbides and M2C carbides by applying impurities containing 5.0–5.5 wt% chromium (Cr), 0.5–1.0 wt% manganese (Mn), 0.5–1.0 wt% silicon (Si), 3–6 wt% molybdenum (Mo), 6–8 wt% vanadium (V), and 1.5–1.9 wt% carbon (C) as a core means.
Accordingly, this invention is expected to improve the wear resistance and toughness of tool steel materials in warm environments below 500°C while maintaining competitive production costs, and can simultaneously enhance reproducibility, scalability, and process suitability in actual usage environments. Furthermore, it can be utilized as a high-performance material, component, battery, sensor, device, or manufacturing process in related industries, making it advantageous in terms of subsequent commercialization and demonstration development.
This technology relates to a method for manufacturing high-density Fe-Si steel sheets using powder metallurgy, which can be applied to various electronic components such as electric vehicle drive motors. In particular, it is a technology designed to simultaneously enhance performance, durability, stability, and applicability based on the core materials, structures, processes, or device configurations related to the powder-based high-density Fe-Si steel sheet manufacturing method.
It aims to solve the problem of obtaining high-efficiency soft magnetic properties in high-Si content Fe-Si electrical steel sheets while maintaining ductility and ease of processing. Accordingly, this technology proposes a technical concept that implements the use of Fe-Si alloy powder with a Si content in the range of 15 to 25 wt% to improve sinterability and achieve high packing density. This concept involves applying a core means comprising mixing pure Fe metal powder with Fe-Si alloy powder, manufacturing compound powder, and manufacturing building panels through powder rolling, bonding sintering, cold rolling, and homogenization heat treatment.
Accordingly, the present invention is expected to improve the manufacturing process of Fe-Si steel sheets by increasing the Si content to 6.5 wt% and achieving high packing density through optimized powder composition and processing steps, while simultaneously enhancing reproducibility, scalability, and process suitability in actual usage environments. Furthermore, since it can be utilized as a high-performance material, device, battery, sensor, apparatus, or manufacturing process in related industries, it is advantageous in terms of subsequent commercialization and demonstration development.
This technology relates to a double-layer hybrid solid electrolyte, a method for manufacturing the same, and an all-solid state battery including the same. In particular, it is a technology designed to enhance the performance, structural stability, and application efficiency of battery materials and electrode designs based on the use of oxide (LTPO) and lithium aluminum-lanthanum-zirconium oxide (LALZO) charged particles within a PVDF-HFP polymer.
Conventionally, in full-height batteries, the risk associated with organic liquid electrolytes could lead to performance degradation, process complexity, lack of stability, or limitations on the scope of application. Accordingly, this technology proposes a technical concept for implementing lithium-tantalum-phosphorus oxide (LTP) within poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-HFP) polymers by applying whole-height somatic embryos of the first high-grade variety as a core component.
As a result, mechanical strength and electrochemical stability effects regarding the aforementioned lithium metal can be expected. Furthermore, stability, reproducibility, and scalability in real-world application environments can be enhanced through the use of oxide (LTPO) and lithium aluminum-lanthanum-zirconium oxide (LALZO) filled particles within the PVDF-HFP polymer. Additionally, this technology offers the potential to be utilized as a high-performance material, device, apparatus, or process technology in related industries. It is advantageous for subsequent commercialization and process expansion, and is suitable for demonstration deployment.
This technology relates to an electrochemical lithium recovery device and method. In particular, it is a technology designed to enhance the performance, structural stability, and application efficiency of electronic devices and circuit designs by utilizing ZIF-8/CNT flow electrode materials in a second flow electrode module to selectively absorb lithium ions.
Conventionally, existing methods suffered from low selectivity in lithium ion extraction, which could lead to performance degradation, process complexity, lack of stability, or limitations on the scope of application. Accordingly, this technology proposes a technical concept that implements a first flow electrode module by applying a first flow electrode module and a separator module as core means to extract ionic substances from a target solution containing spent battery active materials through electrical attraction.
As a result, an effective lithium ion collection effect can be expected in an electrochemical device for lithium recovery, and stability, reproducibility, and scalability in actual operating environments can be simultaneously enhanced by utilizing ZIF-8/CNT flow electrode materials in the second flow electrode module to selectively absorb lithium ions. Furthermore, it has the potential to be utilized as a high-performance material, device, apparatus, or process technology in related industries; it is advantageous in terms of subsequent commercialization and process expansion, and is also suitable for demonstration deployment.
