This technology relates to a thin-film composite using an elastic-foil structure having through-holes of different diameters and heterogeneous functional particles.
Conventional functional-particle arrangement processes have had difficulty with precise control in large-area manufacturing and have involved high cost. This technology provides a thin-film composite in which various functional particles can be selectively arranged at desired positions by using through-hole structures in an elastic foil.
As a result, it can increase the degree of freedom in particle arrangement and improve mass producibility, thereby enhancing the performance and manufacturing efficiency of electrical components, sensors, and functional films.
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This technology relates to a quartz crystal microbalance (QCM)-based sensor capable of simultaneously measuring electrical characteristics and mass changes in real time.
Conventional sensors have required separate devices to measure resistance changes and mass changes, reducing analysis accuracy and operational efficiency. This technology forms electrodes on a single quartz crystal structure so that the two properties can be measured simultaneously.
As a result, it can simultaneously acquire multiple types of information in gas sensing or surface-reaction analysis, thereby improving both sensing accuracy and analytical efficiency.
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This technology relates to silver-bismuth-based nanoparticles for water treatment and a manufacturing technology therefor, providing high pollutant-removal efficiency under aerobic conditions.
Conventional nanomaterials for water treatment often require a light source or special environmental conditions, making practical operation difficult. This technology designs silver-bismuth nanoparticles that promote radical generation under aqueous basic conditions to improve the decomposition efficiency of organic pollutants.
As a result, it can secure pollutant removal performance without separate light irradiation and improve both operational convenience and purification efficiency in practical water-treatment processes.
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This technology relates to an environmental remediation technique for treating soil and groundwater contaminants by using bismuth-doped nanoscale zero-valent iron.
Conventional nanoscale zero-valent iron has faced limitations in sustained reactivity and manufacturing efficiency, making it difficult to respond to diverse contamination conditions. This technology prepares bismuth-doped nanoscale zero-valent iron with enhanced reactivity and applies it to soil and water remediation.
As a result, it can improve contaminant degradation reactivity and expand the treatment efficiency and application range of soil and groundwater remediation processes.
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This technology relates to an exoskeleton-based intelligent walking assistance robot for supporting lower-limb strengthening and gait rehabilitation.
Conventional walking aids have often had complex structures and low power-transmission efficiency, making control difficult and reducing user stability. This technology integrates an exoskeleton, caster walker, arm structure, and wrist drive unit to improve transmission distance and mechanical efficiency.
As a result, it can improve the stability of gait assistance and simplify control, making it highly useful in rehabilitation medicine, muscle support, and walking assistance devices.
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This technology relates to a portable analysis system integrating a gas separation unit and detector so that sulfur hexafluoride (SF6) can be precisely analyzed in the field.
Conventional portable gas analyzers have faced limitations in miniaturization, portability, and quantitative accuracy. This technology implements a field-deployable analysis configuration by integrating a control panel, signal-processing board, gas separation unit, and gas detector within a compact case.
As a result, it can secure portability and convenience while improving analytical accuracy and reliability, making it applicable to electric-power facilities, environmental monitoring, and industrial gas management.
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This technology relates to an optical microscopy technique that visualizes thermal distribution optically by using an indicator.
Conventional IR sensors are expensive and have difficulty measuring thermal distributions in microregions at high resolution. This technology configures an indicator positioned above the observation target to exhibit a thermal response, thereby enabling analysis of thermal distribution with a general optical microscope.
As a result, it enables high-resolution and high-sensitivity thermal imaging with lower cost, and can be applied to device evaluation, materials analysis, and biological observation.
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This technology relates to a method for manufacturing a highly defective carbon nanotube current collector for aluminum secondary battery anodes by using waste polypropylene masks as a carbon source.
Conventional aluminum secondary batteries have had difficulty achieving uniform metal growth and long-life operation because oxide-layer formation and reduced ion transport occur in the electrolyte environment. This technology uses pyrolysis gas from waste polymers and a Ni-based chemical vapor deposition process to form a three-dimensional defective CNT current collector, thereby promoting adsorption and reduction of aluminum ions.
As a result, it can realize uniform metal growth across the anode active area and high coulombic efficiency, thereby improving cycle life and driving stability of aluminum secondary batteries.
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This technology relates to a zinc/carbon structure combining zinc metal with a carbon current collector derived from bacterial cellulose to improve anode performance in aqueous zinc secondary batteries.
Conventional aqueous zinc anodes have suffered from interfacial instability and by-product formation in aqueous electrolytes, which reduce reaction efficiency and lifespan. This technology applies a bacterial-cellulose-based carbon current collector to stabilize current distribution and ion adsorption/reduction behavior while providing an environment for uniform zinc growth.
As a result, it can reduce concentration resistance and side reactions while improving anode efficiency and long-term stability, thereby contributing to enhanced performance of aqueous zinc batteries.
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This technology relates to a lithium secondary battery anode that improves interfacial stability by using a carbon current collector derived from bacterial cellulose and a lithium-compound layer.
Conventional lithium-metal anodes have suffered from low coulombic efficiency, electrolyte decomposition, volume change, and dendritic growth, resulting in poor stability. This technology forms a stable lithium-compound layer on a carbon current collector to control ion permeation and interfacial reactions.
As a result, it can reduce electrolyte decomposition and improve coulombic efficiency and rate performance, thereby contributing to enhanced energy density and output performance of lithium secondary batteries.
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