Abstract: Provided is an anode for a secondary battery according to the inventive concept, wherein the anode includes an anode current collector, and a conductive nanostructure on the anode current collector, wherein the conductive nanostructure includes a core region including a core structure, and a first shell region including a metal pattern and a carbon pattern alternately stacked, and covering the core region.

Abstract: Provided is a conductive nanostructure comprising a core region made of cellulose nanocrystals and a first shell region that alternately includes a metal pattern and a carbon structure. The conductive nanostructure may take forms such as a nanowire, nanotube, nanocolumn, pillar, or cone, and exhibits dimensions ranging from 50 nm to 50 ?m in height and 10 nm to 1000 nm in diameter.

Abstract: Provided is a fiber composite structure including a plurality of twisted fiber bundles, wherein each of the fiber bundles includes a plurality of fiber strands, an adhesive coated on the fiber strands, and a functional particle interposed between the fiber strands. The functional particle includes a material different from that of the fiber strands. The adhesive includes polydopamine.

Abstract: Provided is a polydopamine composite material according to the concept of the present invention, wherein the polydopamine composite material includes a substrate with first nano-protrusions formed on a surface thereof, and a polydopamine layer on the surface of the substrate. The polydopamine layer includes second nano-protrusions protruding in a direction perpendicular to the surface of the substrate.

Abstract: Provided is a polymeric material having a micro-nano composite structure, a device including the same, and a method of manufacturing the polymeric material. The polymeric material includes a polymer fiber or film, wherein the polymer fiber or film has, on a surface thereof, a micro-nano composite structure including a microstructure containing concavo-convex grooves having a microscale semi-cylindrical shape (“”) and a nanopattern containing nanoscale protrusions formed on a surface of the microstructure. The polymeric material has excellent absorbency and hydrophilic or super-hydrophilic surface properties, and also has oleophobic or super-oleophilic properties in water, and thus may be effectively applied to fields such as oil-water separation, purification, and filters. The polymeric material may be readily manufactured through an environmentally friendly, large-area atmospheric pressure plasma process.

Abstract: Provided is a microplastic recovery material according to an embodiment of the inventive concept including a porous structure including a first hierarchical pocket provided in an outer surface thereof, and a nano-protrusion provided on the outer surface. The first hierarchical pocket includes a first pocket and a second pocket that are connected to each other. The first pocket has a diameter of about 1 mm to about 5 mm. The second pocket has a diameter of about 1 ?m to about 100 ?m.

Abstract: The present invention relates to: a method of manufacturing glass with hollow nanopillars, which includes a silicon oxide layer forming step in which a silicon oxide layer made of silicon oxide is formed on one side of a glass substrate, a first etching step in which the silicon oxide layer is etched and a plurality of silicon oxide clusters are formed on the glass substrate, and a second etching step in which the glass substrate, on which the silicon oxide clusters are formed, is etched and hollow nanopillars are formed; and glass with hollow nanopillars manufactured thereby.

Abstract: A sound absorption structure and a method of manufacturing the same are provided. The sound absorption structure includes a first sound absorption layer comprising first elements of which longitudinal directions are misaligned in a thickness direction of the sound absorption structure, the first sound absorption layer having a first internal filling density and absorbing sound waves of a first reactance frequency; and a second sound absorption layer disposed on the first sound absorption layer, having a second internal filling density different from the first internal filling density, and absorbing sound waves of a second reactance frequency different from the first reactance frequency.

Abstract: The present disclosure relates to an anti-droplet mask filter and an anti-droplet mask comprising the same, and more particularly, to a hydrophobic filter having ridges and an anti-droplet mask comprising the same. The present disclosure is directed to providing a mask filter with improved water repellency performance for effectively preventing the spread of acute respiratory syndrome virus infections. The super water-repellent anti-droplet nonwoven filter of the present disclosure shows superhydrophobicity with the surface contact angle of 160° or more due to the ridges that form a nanopatterned structure on the surface of hydrophobic fibers and the surface of bonding portions, thereby preventing the adsorption of droplets onto the surface of the filter. Additionally, the super water-repellent anti-droplet nonwoven filter of the present disclosure can capture ultrafine particles such as aerosols due to the nanopatterned structure on the surface of the super water-repellent anti-droplet nonwoven filter.

Abstract: Disclosed are a flexible electrode substrate including a porous electrode, a method for manufacturing the flexible electrode substrate, and an energy storage element including the flexible electrode substrate. The flexible electrode substrate can be attached to various objects due to the excellent electrochemical properties and the adhesive properties thereof and thus is very useful. In particular, since the flexible electrode substrate can be used as an electrode of an energy storage element, an energy storage element including the flexible electrode substrate can be attached to various objects and thus can be used as a sticker-type energy storage element. In addition, the flexible electrode substrate can be easily manufactured by transfer method using a difference in adhesive strength and thus allows a simple manufacturing process thereof. Furthermore, electrodes having various patterns can be manufactured with high level of efficiency through simple adjustment of the manufacturing process.

Abstract: The present disclosure relates to a filter apparatus for oil-water separation, and according to an embodiment of the present disclosure, when the filter apparatus for oil-water separation is mounted in a mixed fluid storage tank for storing a mixed fluid collected in seas or rivers in the event that an oil spill accident occurs, it is possible to drain off only water in the mixed fluid. In addition, it is possible to increase the storage efficiency of the mixed fluid storage tank by selectively draining and removing only water other than oil and impurities in the mixed fluid stored in the mixed fluid storage tank.

Abstract: The present invention relates to: a method of manufacturing glass with hollow nanopillars, which includes a silicon oxide layer forming step in which a silicon oxide layer made of silicon oxide is formed on one side of a glass substrate, a first etching step in which the silicon oxide layer is etched and a plurality of silicon oxide clusters are formed on the glass substrate, and a second etching step in which the glass substrate, on which the silicon oxide clusters are formed, is etched and hollow nanopillars are formed; and glass with hollow nanopillars manufactured thereby.

Abstract: The present disclosure relates to a rotating type foreign substance collection equipment, and according to an embodiment of the present disclosure, there is an effect in separating and collecting foreign substances such as oil from foreign substance-fluid mixtures at high speeds by the separation membrane that traps foreign substances such as oil that float in water while allowing sea water or river water to pass through and be discharged.

Abstract: Provided are a hydrophilic aluminum surface body having a hybrid nanostructure and a manufacturing method thereof. The hydrophilic aluminum surface body includes an aluminum substrate; and a nanopattern including a hybrid nanostructure formed on a surface of the aluminum substrate, wherein the hybrid nanostructure includes nanoparticles and a plurality of nanoflakes around the nanoparticles. According to the manufacturing method of the hydrophilic aluminum surface body, hydrophobic aluminum may be artificially prepared as hydrophilic or superhydrophilic aluminum due to a small contact angle, and large-area and mass production is possible and the method is eco-friendly.

Abstract: Provided is a polymeric material having a micro-nano composite structure, a device including the same, and a method of manufacturing the polymeric material. The polymeric material includes a polymer fiber or film, wherein the polymer fiber or film has, on a surface thereof, a micro-nano composite structure including a microstructure containing concavo-convex grooves having a microscale semi-cylindrical shape (“”) and a nanopattern containing nanoscale protrusions formed on a surface of the microstructure. The polymeric material has excellent absorbency and hydrophilic or super-hydrophilic surface properties, and also has oleophobic or super-oleophilic properties in water, and thus may be effectively applied to fields such as oil-water separation, purification, and filters. The polymeric material may be readily manufactured through an environmentally friendly, large-area atmospheric pressure plasma process.

Abstract: The present disclosure relates to a filter apparatus for oil-water separation, and according to an embodiment of the present disclosure, when the filter apparatus for oil-water separation is mounted in a mixed fluid storage tank for storing a mixed fluid collected in seas or rivers in the event that an oil spill accident occurs, it is possible to drain off only water in the mixed fluid. In addition, it is possible to increase the storage efficiency of the mixed fluid storage tank by selectively draining and removing only water other than oil and impurities in the mixed fluid stored in the mixed fluid storage tank.

Abstract: A sound absorption structure and a method of manufacturing the same are provided. The sound absorption structure includes a first sound absorption layer comprising first elements of which longitudinal directions are misaligned in a thickness direction of the sound absorption structure, the first sound absorption layer having a first internal filling density and absorbing sound waves of a first reactance frequency; and a second sound absorption layer disposed on the first sound absorption layer, having a second internal filling density different from the first internal filling density, and absorbing sound waves of a second reactance frequency2 different from the first reactance frequency.

Abstract: The present disclosure relates to a rotating type foreign substance collection equipment, and according to an embodiment of the present disclosure, there is an effect in separating and collecting foreign substances such as oil from foreign substance-fluid mixtures at high speeds by the separation membrane that traps foreign substances such as oil that float in water while allowing sea water or river water to pass through and be discharged.

Abstract: The present disclosure relates to a fence having a hydrophilic material, and according to an embodiment of the present disclosure, there is an effect in collecting oil or hazardous & noxious substances quickly and efficiently while minimizing the pressure caused by water, by forming the fence from a material that allows water to penetrate while disallowing oil to penetrate. Additionally, there is an effect in preventing oil spill phenomena caused by damage or unbalance of the fence by reducing the water pressure applied to the fence due to water penetration even when a strong water pressure acts on the fence, for example, strong tidal currents occur and the fence is towed at high speeds to collect oil.

Abstract: Provided are a hydrophilic aluminum surface body having a hybrid nanostructure and a manufacturing method thereof. The hydrophilic aluminum surface body includes an aluminum substrate; and a nanopattern including a hybrid nanostructure formed on a surface of the aluminum substrate, wherein the hybrid nanostructure includes nanoparticles and a plurality of nanoflakes around the nanoparticles. The hydrophilic aluminum surface body is excellent in hydrophilicity, does almost not exhibit an aging effect, and may maintain hydrophilicity for a long time. According to the manufacturing method of the hydrophilic aluminum surface body, hydrophobic aluminum may be artificially prepared as hydrophilic or superhydrophilic aluminum due to a small contact angle, and large-area and mass production is possible and the method is eco-friendly.