公开(公告)号：US20230257274A1

公开(公告)日：2023-08-17

申请号：US18012889

申请日：2020-12-24

Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Jong-Beom Baek ,  Seok-Jin Kim ,  Gao-Feng Han

IPC: C01C1/04 ,  B01J23/745 ,  B01J35/02

CPC classification number: C01C1/0405 ,  B01J23/745 ,  B01J35/023

Abstract: A mechanochemical ammonia synthesis method according to an embodiment includes: (a) ball-milling Fe particles with balls under a nitrogen (N2) atmosphere; and (b) ball-milling the Fe particles ball-milled under the nitrogen (N2) atmosphere, with balls under a hydrogen (H2) atmosphere.

公开(公告)号：US11670801B2

公开(公告)日：2023-06-06

申请号：US17337974

申请日：2021-06-03

Applicant: HYUNDAI MOTOR COMPANY ,  KIA CORPORATION ,  UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Yoon Sung Lee ,  Ko Eun Kim ,  Sung Ho Ban ,  Seung Min Oh ,  Ik Kyu Kim ,  Sang Kyu Kwak ,  Nam Soon Choi ,  Sung You Hong ,  Dae Yeon Hwang ,  Seo Young Jeong ,  Hyeon Gyu Moon

IPC: H01M10/0567 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  H01M10/0569 ,  H01M2300/0037

Abstract: The electrolyte solution for a lithium secondary battery includes: a lithium salt; a solvent; and an anode additive including 1-benzyl-5-(4-nitrophenyl)-1H-1,2,3-triazole-4-carbonitrile represented by Chemical Formula 1 below:

公开(公告)号：US20230172067A1

公开(公告)日：2023-06-01

申请号：US17971813

申请日：2022-10-24

Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Jae Sung SON ,  Seung Hwae HEO ,  Moon Kee CHOI ,  Jisu YOO

IPC: H01L35/34 ,  H01L35/16 ,  C01B19/00

CPC classification number: H01L35/34 ,  H01L35/16 ,  C01B19/002 ,  C01P2006/40 ,  C01P2006/32 ,  C01P2002/50 ,  C01P2004/03 ,  C01P2002/72

Abstract: The present invention relates to a preparation method of a stretchable inorganic thermoelectric thin film and the stretchable inorganic thermoelectric thin film prepared by the method.

公开(公告)号：US20230153571A1

公开(公告)日：2023-05-18

申请号：US17887216

申请日：2022-08-12

Applicant: Samsung Electronics Co., Ltd. ,  UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Jun-Woo JANG ,  Jaewoo PARK ,  Faaiz ASIM ,  Jongeun LEE

IPC: G06N3/04 ,  G06N3/063

CPC classification number: G06N3/04 ,  G06N3/063

Abstract: A quantization method of a neural network, and an apparatus for performing the quantization method are provided. The quantization method includes obtaining parameters of the neural network, quantizing the parameters using a quantization scheme in which at least one positive quantization level and at least one negative quantization level symmetric to each other by excluding zero from quantization levels, and outputting the quantized parameters.

公开(公告)号：US11651114B2

公开(公告)日：2023-05-16

申请号：US16919266

申请日：2020-07-02

Applicant: Ulsan National Institute of Science and Technology

Inventor： Ki-Suk Lee ,  Daehan Jeong ,  Hee Sung Han ,  Namkyu Kim ,  Myeonghwan Kang

IPC: G06F30/10 ,  G06F30/27 ,  H01F41/24 ,  G06F119/14

CPC classification number: G06F30/10 ,  G06F30/27 ,  H01F41/24 ,  G06F2119/14

Abstract: A method for designing a magnetic plate allowing magnetic particles contained in magnetic ink distributed at different densities includes estimating a distribution of the magnetic particles allowing the magnetic ink to be spread, estimating forms of magnetic field applying the magnetic force to the magnetic particles in order for the magnetic ink to be spread in a desired magnetic printing pattern within the printing layer, obtaining adjustment factors of the magnetic plate corresponding to the estimated forms of the magnetic field by using a model for which deep learning or machine learning has been performed using design conditions including at least one of an upper surface structure of the magnetic plate and a magnetization property of the magnetic plate and obtaining a parameter for the magnetic plate configured to form the magnetic printing pattern based on the obtained adjustment factors.

公开(公告)号：US20230134034A1

公开(公告)日：2023-05-04

申请号：US17975237

申请日：2022-10-27

Applicant: Korea University Research and Business Foundation ,  UNIST (Ulsan National Institute of Science and Technology)

Inventor： Yong Sik OK ,  Han Kwon LIM ,  Boris BRIGLJEVIC ,  Xiangzhou YUAN ,  Dong Hyun YU ,  Shauhrat S. CHOPRA

IPC: B01D53/30 ,  B01D53/04 ,  B01J20/20 ,  B01J20/28 ,  B01J20/30

Abstract: An evaluation method capable of evaluating whether or not waste plastic-derived porous carbon can be applied on an industrial scale, according to the present disclosure, may include the steps of evaluating CO2 capture performance using a 5-step temperature vacuum swing adsorption (TVSA) process, assessing economic feasibility in an industry using a techno-economic assessment (TEA) method, and quantifying environmental impacts of the porous carbon production pathway and global warming potential (GWP) using cradle-to-gate life-cycle assessment (LCA).
A method for manufacturing porous carbon, according to the present disclosure, may include the steps of carbonizing a polyethylene terephthalate plastic, activating the carbonized plastic with CO2, and performing cooling.

公开(公告)号：US11637231B2

公开(公告)日：2023-04-25

申请号：US17072641

申请日：2020-10-16

Applicant: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION ,  UNIST (Ulsan National Institute of Science and Technology)

Inventor： Ju-Won Jeon ,  Sung-Yeon Jang

IPC: H01L35/24 ,  H01L51/00 ,  H01L35/34 ,  H01L35/32

Abstract: Disclosed are an organic thermoelectric material and a thermoelectric generator including the same. More particularly, the thermoelectric generator includes an ionically conductive active layer containing a polyanion including an anionic group and a counter cation in a repeat unit thereof; a conductive polymer; and a polyvalent crosslinking agent as a single molecule including a plurality of acid functional groups. First and second electrodes are disposed to be connected to the ionically conductive active layer.

公开(公告)号：US11627880B2

公开(公告)日：2023-04-18

申请号：US16764539

申请日：2018-11-05

Applicant: PUKYONG NATIONAL UNIVERSITY INDUSTRYUNIVERSITY COOPERATION FOUNDATION ,  UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Yeh-Chan Ahn ,  Sung Chul Bae

IPC: A61B5/00

Abstract: The present invention relates to a real-time parathyroid imaging apparatus including: a light source including an excitation filter capable of exciting parathyroid glands; and a camera including an image sensor and an emission filter of which a transmissivity ratio between a visible light region and a near-infrared emission wavelength region is N:1 (here, N

公开(公告)号：US11616233B2

公开(公告)日：2023-03-28

申请号：US16769909

申请日：2019-03-12

Applicant: LG CHEM, LTD. ,  UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Jangbae Kim ,  Soojin Park ,  Jonghyun Chae ,  Jihye Yang ,  Taesoo Bok ,  Dongki Hong ,  Jaegeon Ryu ,  Seokkeun Yoo

IPC: H01M4/587 ,  H01M4/04 ,  H01M4/136 ,  H01M4/36 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/02

Abstract: An amorphous silicon-carbon composite, a method for preparing the amorphous silicon-carbon composite using a pyrolysis method, a negative electrode for a lithium secondary battery, and a lithium secondary battery including the same.

公开(公告)号：US20230085442A1

公开(公告)日：2023-03-16

申请号：US17987079

申请日：2022-11-15

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Hyeongseok YU ,  Hyeonuk SIM ,  Jongeun LEE

IPC: G06N3/08 ,  G06N3/04

Abstract: A processor-implemented method includes determining a first quantization value by performing log quantization on a parameter from one of input activation values and weight values in a layer of a neural network, comparing a threshold value with an error between a first dequantization value obtained by dequantization of the first quantization value and the parameter, determining a second quantization value by performing log quantization on the error in response to the error being greater than the threshold value as a result of the comparing; and quantizing the parameter to a value in which the first quantization value and the second quantization value are grouped.