Electronics and Telecommunications Research Institute

Sungkyunkwan University

Sk on Co., Ltd.

Samsung Life Public Welfare Foundation

Korea Institute of Geoscience and Mineral Resources

Korea Institute of Geoscience and Mineral Resources (kigam)

National Science Foundation

Energy Mining Co., Ltd

Geo-view Co. Ltd.

Static Electricity Medical Solutions Corp.

Young Jun Kim

Sangwoo Kim

Dong Hoon Lee

Moon Youn Jung

Yong Hee Kang

Min Ki Kang

Chang Auck Choi

Myung Lae Lee

Kwang Hyo Chung

Yun Tae Kim

Jong Moo Lee

Se Ho Park

Dae Sik Lee

Bong Kyu Kim

Wan Joong Kim

Ho Jun Ryu

Hyeon Bong Pyo

Sung Hae Jung

Hae Sik Yang

Yoon Seok Yang

Jong Hwa Chun

Woo Seok Kang

Dong Ho Shin

Joon Ha Hwang

Byung Ok Choi

Dong Hui Lim

Seung Chul Ha

Yong Shin Kim

Dong Hyeon Kang

Bo Sung Kim

So Hee Kim

Hyoung Taek Kim

Sang Woo Kim

Wei Lu

Seon Hee Park

Han Young Yu

Yark Yeon Kim

Ho Young Lee

Won Ick Jang

Chang Geun Ahn

Yong Sun Yoon

Yong Man Ro

Yo Han Choi

In Bok Baek

Jae Hwan Jung

Dongwoo Suh

Tae Hyeong Kim

Dong Min Lee

Hyo Sung Lim

Hong Joon Yoon

Jeong Hwan Lee

Min Hwan Kim

Bong Kuk Lee

Young Wook Chung

Won Sik Kim

Young Sik Hong

Jae Youn Kim

Bongjin Jeong

Nam Hyung Koo

Dong Geun Yoo

Ji Hye Kim

Han Yup Yum

Ji Hyun Park

Gyu Le Han

Hye Bin Lee

In Yong Suh

Jong Myung Park

Lin Chen

Snons Cheong

Hyun Do Kim

Dong Keun Yoo

Ji Eun Lim

Sung Ryul Shin

Jae Hyeong Chun

A dry electrode composition including: an electrode active material; a particulate binder in which fibers aggregate to form bundles; and a plasticizer, wherein the binder is fiberizable by heat and pressure, a method for manufacturing a dry electrode sheet for a secondary battery using the dry electrode composition, and an electrode and a secondary battery including the dry electrode sheet are provided.

Dry electrode composition for secondary battery, method for manufacturing dry electrode sheet, dry electrode sheet, electrode, and secondary battery

The present disclosure relates to an electrode for a secondary battery with improved rapid charging performance, a method of manufacturing the same, and a secondary battery including the same, and provides an electrode for a secondary battery including a current collector, an electrode active material layer located on at least one surface of the current collector, and a binder layer located on at least one surface of the current collector and protruding from at least one end of the electrode active material layer, in which the binder layer satisfies the following Expression 1. [Expression 1] CA/B≤ 0.6 (In Expression 1, CA is wt % of a conductive material in the binder layer, and B is wt % of a binder in the binder layer, based on a total weight of the binder layer).

Electrode for a secondary battery with improved rapid charging performance, method of manufacturing the same, and secondary battery including the same

The present invention relates to an ultrasonic wave-driven triboelectric generator in which a self-gap is formed using plasma etching. The present invention relates to an ultrasonic wave-driven triboelectric generator having a polymer film as one triboelectric layer having a self-gap defined therein using plasma etching such that a surface area thereof is increased to achieve high power and miniaturization of the generator.

Ultrasonic wave-driven triboelectric generator with self-gap formed using plasma etching

The present disclosure relates to an ultrasonic powered neural stimulating device without power sources and lead wires, and specifically, to a porous polymer stimulating portion-based ultrasonic powered neural stimulation and regeneration technology without the power sources and the lead wires. According to the present disclosure, a technology that may overcome limitations of a human implantable neural stimulating device is able to be secured, and it is expected that a new method for neural stimulation is presented.

Ultrasonic powered neural stimulating device without power sources and lead wires

A system for and a method of analyzing a corneal lesion using an anterior segment image according to the present invention. The system includes: an image acquisition unit configured to acquire an anterior segment image from the eyeball of a subject, a feature extractor configured to extract feature information on a position and a cause of a lesion in the cornea from the anterior segment image by applying a convolution layer to the anterior segment image through machine learning on the basis of a database in which clinical information pre-acquired by analyzing positions and causes of lesions in the corneas of subjects is stored; and a result determination unit configured to identify a position of the cornea from the anterior segment image using the feature information and to analyze and determine the position and the cause of the lesion in the cornea from the position of the cornea.

System and method for analyzing corneal lesion using anterior ocular segment image, and computer-readable recording medium

A method of manufacturing a dry electrode sheet for a secondary battery includes providing a dry electrode composition comprising an electrode active material and a binder, a calendering operation of preparing an electrode sheet by passing the dry electrode composition through a calender roll including three or more rolls. The calendering operation includes a first electrode sheet manufacturing operation of manufacturing a first electrode sheet by injecting the dry electrode composition between two adjacent rolls spaced apart from each other by a first interval W1, and an electrode sheet manufacturing operation of manufacturing a dry electrode sheet by inserting the first electrode sheet between two adjacent rolls spaced apart from each other by a second interval W2. The first interval W1 and the second interval W2 have a compression rate of 0.10 or more and 0.65 or less, represented by the equation (1) compression rate=(W1−W2)/W1.

Method and apparatus for preparing dry electrode sheet for secondary battery, dry electrode sheet for secondary battery, electrode for secondary battery and secondary battery

Disclosed is a fine dust collecting device using a human body based electrostatic energy harvesting element. The fine dust collecting filter device includes an electrostatic energy harvesting element for collecting and generating current; a charging filter connected to the electrostatic energy harvesting element such that the charging filter is electrically charged to have a first polarity and thus electrically charges fine dust particles; a collecting filter connected to the electrostatic energy harvesting element such that the collecting filter is electrically charged to have a second polarity opposite to the first polarity; and a rectifier disposed between and connected to the electrostatic energy harvesting element, and the charging filter and the collecting filter.

Fine dust collecting filter device

A method of manufacturing a dry electrode sheet for a secondary battery includes providing a dry electrode composition comprising an active electrode material and a binder, calendering the dry electrode composition with a calender roll and forming a first electrode sheet, cutting the first electrode sheet into two or more pieces, and laminating and then calendering the cut first electrode sheet.

Method and apparatus for preparing dry electrode sheet for secondary battery, dry electrode sheet for secondary battery and secondary battery comprising the same

Disclosure are a triboelectric generator including a nano-composite life-limited via selective ultrasound application thereto, and a neurostimulation therapy device using the same. Disclosure are a life-limited nano-composite that initiates biodegradation thereof upon application of focused ultrasound thereto, and to a neurostimulation therapy device for peripheral neuropathy treatment using an ultrasound-driven triboelectric generator based on the life-limited nano-composite. The device has a power source that is harmless to a human body and performs nerve stimulation treatment using this power source, and then causes biodegradation at a desired timing after the treatment is completed.

Triboelectric generator including nano-composite time-limited via selective ultrasound application thereto and neurostimulation therapy device using the same

A triboelectric energy generator includes a substrate, a first triboelectric member disposed on the substrate in a first partial region of a top face of the substrate, a second triboelectric member disposed on the substrate in a second partial region of the top of the substrate, a third triboelectric member disposed above and spaced from the first triboelectric member and the second triboelectric member. The first triboelectric member, the second triboelectric member, and the third triboelectric member are made of different materials. When an ultrasonic wave is applied to a top face of the third triboelectric member, the third triboelectric member is constructed to alternately contact and non-contact both the first triboelectric member and the second triboelectric member, thereby to generate triboelectricity.

Method of inhibiting proliferation of tumor cell using triboelectric energy generator using ultrasonic wave

Disclosed is a method of measuring a refractive error using a reflection image of a pupil for a visible ray, the method capable of diagnosing and self-examining a refractive error using only an image captured by a smartphone camera. The method may include obtaining an image by projecting a visible ray, using a flash, onto the retina of a subject and capturing, using a smartphone camera, a shape and location of the image reflected in the pupil of the subject, applying the image to a residual neural network (ResNet) model trained using data of an ImageNet based on clinical information into which result values of a refractive error of the subjects have been incorporated, and outputting the refractive error of the image and a measurement factor measured to determine the refractive error based on the shape and the location reflected in the pupil in a process of deriving the refractive error of the image.

Method for measuring anomalies of refraction using a reflection image of pupil in visible light

Disclosed are a wound treatment patch using static electricity, and a method for fabricating the wound treatment patch using static electricity. The patch includes a substrate made of a sticky polymer; a first electrode disposed in a first partial region of one face of the substrate and exposed to an outside; and a second electrode disposed in a second partial region other than the first partial region, and spaced apart from the first electrode, and encapsulated within the substrate, wherein each of the first electrode and the second electrode is made of hydrogel having electrical conductivity or a soft polymer having electrical conductivity.

Wound treatment patch using static electricity and method for fabricating the patch

A method of detecting bio-material includes preparing an electrode where capture structures are fixed on surface of the electrode; preparing nanoparticles where probes are fixed on surfaces of the nanoparticles; providing bio-materials on the nanoparticles so that the probes of a portion of the nanoparticles make complementary bonds with the bio-materials, respectively, to form composites, and another portion of the nanoparticles remain without making bonds with the bio-materials; and providing another portion of the remaining nanoparticles on the surface of the electrode so that the capture structures make complementary bonds with the probes of another portion of the nanoparticles, respectively, wherein each of the capture structures includes nucleotides having first sequence, each of the probes includes nucleotides having second sequence, each of the bio-materials includes nucleotides having third sequence, the first and second sequences are complementary to each other, and the second and third sequences are complementary to each other.

Method of detecting bio-material

Provided is a biosensor including a capillary unit having a capillary channel therein and a reagent disposed in the capillary channel, the reagent being configured to develop colors in a sample, and a measuring unit configured to measure a degree of color development of the sample in the capillary channel.

Biosensor

Disclosed is a biosensor, comprising: a sensor part including a capillary chip configured to detect a target material; and a pre-treatment part connected to the sensor part and configured to provide a mixed solution including a substrate to the sensor part, in which the capillary chip includes a capillary, at least one of antibody for antigen-antibody reaction with the target material inside the capillary, and a photo sensor detecting a color of the substrate.

Growing community of inventors

Daejeon, South Korea

Young Jun Kim