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.
This technology relates to a method for manufacturing a metal oxide composite thin film, a metal oxide composite thin film manufactured using the same, a method for manufacturing a perovskite photovoltaic device, and a perovskite photovoltaic device manufactured using the same. In particular, it is a technology designed to enhance the performance, structural stability, and application efficiency of chemical composition and reaction control based on the use of functional ligands to control surface defects and improve the conductivity of metal oxide nanoparticles.
Conventionally, problems such as the dispersion stability of metal oxide nanoparticles and conductivity issues caused by organic ligands that hinder charge transfer have led to performance degradation, process complexity, lack of stability, or limitations on the scope of application. Accordingly, this technology proposes a technical concept that utilizes a method for manufacturing a metal oxide composite film as a core means to implement a step of preparing a metal oxide nanoparticle dispersion solution in which a first nanoparticle, which is a metal oxide nanoparticle surrounded by an organic ligand, is dispersed in a first dispersion solvent.
Accordingly, by removing the aforementioned organic ligand and introducing the aforementioned functional ligand, an effect on the dispersion stability of the metal oxide nanoparticles can be expected. Furthermore, through the use of functional ligands to control surface defects and enhance the conductivity of the metal oxide nanoparticles, stability, reproducibility, and scalability in real-world application environments can be simultaneously improved. Additionally, this offers 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.
