Other

Nexeon Limited

Lg Display Co., Ltd.

Jenax Inc.

Astin Co., Ltd.

Scai Therapeutics Co., Ltd.

Kim, Chul Hwan

Chul Hwan Kim

Yong Eui Lee

Seon Hee Park

Seung Chul Park

Young Tai Cho

Jee Hye Park

Hee Young Seo

Yong Gil Choi

Hyun Kyung Kim

Dong Soo Kim

Chang Hyeon Kim

Lee Hyun Shin

Seoung Chul Park

A non-surfactant type oil-water (O/W) dispersion composition containing non-polar solvent droplets in a polar solvent, of which transparency is 90-100%, and a non-surfactant type water-oil (W/O) dispersion composition containing polar solvent droplets in a non-polar solvent, of which transparency is 90-100% are disclosed. Also disclosed are methods for manufacturing methods for both of the compositions.

Non-surfactant type oil-water dispersion composition, non-surfactant type water-oil dispersion composition, and manufacturing methods for both compositions

The present invention relates to: a non-surfactant type oil-water (O/W) dispersion composition comprising non-polar solvent droplets in a polar solvent, the transparency of the dispersion composition being 90-100%; a non-surfactant type water-oil (W/O) dispersion composition comprising polar solvent droplets in a non-polar solvent, the transparency of the dispersion composition being 90-100%; and manufacturing methods for both of the compositions.

Provided is an apparatus for treating waste gas of the electronics industry, and the apparatus includes: a reaction chamber in which an inlet and an outlet are formed and an inner space for purifying waste gas is formed; a first partition plate extending from an inner wall of the reaction chamber facing the inlet in a direction toward the inlet, dividing the inner space into a pre-treatment zone for collecting dust in the waste gas and a remaining purification zone; a second partition plate extending vertically downward from a ceiling of the reaction chamber, dividing the purification zone into a thermal decomposition zone for heating and thermally decomposing waste gas and a post-treatment zone; and a heater installed at the ceiling of the reaction chamber so as to be located in the thermal decomposition zone to thermally decompose a perfluorinated compound by heating waste gas introduced into the thermal decomposition zone; and a dry scrubber unit including one or more catalysts to collect at least one of the dust, a fluorine compound, and nitrous oxide (N2O) in waste gas introduced into the post-treatment zone.

Apparatus for treating waste gas of electronics industry

The present invention relates to a method for preparing silicon-based active material particles for a secondary battery and silicon-based active material particles. The method for preparing silicon-based active material particles according to an embodiment of the present invention comprises the steps of: providing silicon powder; dispersing the silicon powder into an oxidant solvent to provide a mixture prior to grinding; fine-graining the silicon powder by applying mechanical compression and shear stress to the silicon powder in the mixture prior to grinding to produce silicon particles; producing a layer of chemical oxidation on the fine-grained silicon particles with the oxidant solvent while applying mechanical compression and shear stress to produce silicon-based active material particles; and drying the resulting product comprising the silicon-based active material particles to yield silicon-based active material particles.

Method for preparing silicon-based active material particles for secondary battery and silicon-based active material particles

The present invention relates to a silicon-based anode active material and a method for manufacturing the same. The silicon-based anode active material according to an embodiment of the present invention comprises: particles comprising silicon and oxygen combined with the silicon, and having a carbon-based conductive film coated on the outermost periphery thereof; and boron doped inside the particles, wherein with respect to the total weight of the particles and the doped boron, the boron is included in the amount of 0.01 weight % to 17 weight %, and the oxygen is included in the amount of 16 weight % to 29 weight %.

Silicon-based anode active material and method for manufacturing same

The present invention relates to a silicon-based anode active material and a method of fabricating the same. The silicon-based anode active material according to an embodiment of the present invention comprises: particles comprising silicon and oxygen combined with the silicon, wherein a carbon-based conductive layer is coated with on outermost surface of the particles; and phosphorus doped in the particles, wherein a content of the phosphorus with respect to a total weight of the particles and the phosphorus doped in the particles have a range of 0.01 wt % to 15 wt %, and a content of the oxygen has a range of 9.5 wt % to 25 wt %.

Silicon-based anode active material and preparation method therefor

Provided is an anode active material for a secondary battery and a method of fabricating the anode active material. A silicon-based active material composite according to an embodiment of the inventive concept includes silicon and silicon oxide obtained by oxidizing at least a part of the silicon, and an amount of oxygen with respect to a total weight of the silicon and the silicon oxide is restricted to 9 wt % to 20 wt %.

Negative electrode active material for secondary battery and method for manufacturing same

Provided is a negative active material and a lithium secondary battery including the negative active material. The negative active material for a secondary battery includes silicon particles, wherein circularities of the particles are determined by equation 1 below, and the circularities are 0.5 or greater and 0.9 or less,Circularity=2()&#x2003;&#x2003;[Equation 1]

Negative electrode active material and lithium secondary battery comprising same

The present invention relates to a battery having an electrode structure using metal fiber and a preparation method of an electrode structure. A preparation method of an electrode structure, according to one embodiment of the present invention, includes a step for providing one or more metal fibers forming a conductive network; a step for providing particle compositions including electrical active materials of a particle shape; a step for mixing the metal fibers and the particle compositions; and a step for compressing the mixed metal fibers and the particle compositions.

Battery having electrode structure including metal fiber and preparation method of electrode structure

A multi-color electrophoretic display (EPD) device, an image sheet, and a method of fabricating the same. The multi-color EPD device includes: a plurality of unit color pixels; and a plurality of color capsules, each comprising color capsule shell which stores a dielectric fluid and at least one type of electrophoretic particles dispersed in the dielectric fluid, the plurality of color capsules being arranged to define subpixels of each of the plurality of unit color pixels.

Multi-color electrophoretic display device, image sheet, and manufacturing method thereof

A multi-color electrophoretic display (EPD) device, an image sheet, and a method of manufacturing the same. The method of manufacturing the multi-color EPD device includes: forming capsules including photosensitive color-developing capsule shells each of which stores a dielectric fluid and at least one type of electrophoretic particles dispersed in the dielectric fluid; disposing the capsules in a unit color pixel area on a substrate; exposing the capsules to light to form a latent image of a color pattern image on the capsules; and developing the photosensitive color-developing capsule shells of the capsules to form unit color pixels including color capsules.

Growing community of inventors

Daejeon, South Korea

Chul Hwan Kim