Abstract: Disclosed are an electrode including a polymer matrix and a catalyst including metal nanoparticles and a conductive polymer shell and, a method of preparing the same. According to various exemplary embodiments of the present invention, various hybrid nano-composites may be formed by a combination of other conductive polymers than P3HT with metal nanoparticles. For example, the method may include selectively disposing metal nanoparticles to a surface modified conductive polymer including a block copolymer of two or more types of conductive polymers.
Type:
Grant
Filed:
December 10, 2018
Date of Patent:
January 25, 2022
Assignees:
Hyundai Motor Company, Kia Motors Corporation, Korea Advanced Institute of Science and Technology
Inventors:
You Jung Song, Hong Seok Yun, Jin Seong Kim, Bum Joon Kim, Young Kwon Kim
Abstract: Disclosed is an image segmentation method including receiving an image to be segmented and segmenting the received image by using a neural network learned through a Mumford-Shah function-based loss function.
Type:
Application
Filed:
July 15, 2021
Publication date:
January 20, 2022
Applicant:
Korea Advanced Institute of Science and Technology
Abstract: A switching device in accordance with the present invention includes a first electrode and a second electrode, and the second electrode includes a body part and a cantilever connected to the body part. In addition, one end of a the cantilever comes into contact with the first electrode by an electrostatic force generated by a voltage applied to the first electrode and the second electrode, and the one end of the cantilever is separated from the first electrode due to heat generated by a voltage applied to both ends of the body part. In addition, the second electrode may include a 2-1 electrode, a 2-2 electrode, and an engineered beam connected in between.
Type:
Application
Filed:
July 29, 2020
Publication date:
January 20, 2022
Applicants:
Korea Advanced Institute of Science And Technology, Samsung Electronics Co., Ltd.
Inventors:
Jun-Bo YOON, Pan Kyu CHOI, Yong Bok LEE, Subon KIM, Suhyun KIM
Abstract: A method of calculating a moving distance of a movable object in consideration of a bias identified based on a linear velocity of the movable object in the process of implementing a SLAM, and an electronic apparatus therefor are provided. One or more of an electronic apparatus, a vehicle and an autonomous vehicle disclosed in the present invention may be connected to an artificial intelligence module, a drone (Unmanned Aerial Vehicle, UAV), a robot, an augmented reality (AR) device, a virtual reality (VR) device, a device related to 5G service, and so on.
Type:
Grant
Filed:
December 4, 2019
Date of Patent:
January 18, 2022
Assignees:
LG Electronics Inc., Korea Advanced Institute of Science and Technology
Inventors:
Kyeongjin Jeon, Hyukjung Lee, Joohwan Chun, Sungjoo Kim
Abstract: Provided is a method for simulating a semiconductor device. The method includes extracting a Hamiltonian and an overlap matrix of a semiconductor device using a density functional theory or a tight-binding method, calculating each of Bloch states for each corresponding energy, obtaining a first reduced Hamiltonian and a first reduced overlap matrix with a reduced matrix size, and calculating a final transformation matrix and a final energy band structure in which all of unphysical branches, wherein the semiconductor device includes a source region, a drain region, and a channel region between the source region and the drain region, wherein the channel region includes unit cells, each of which includes different material or has different structure.
Type:
Grant
Filed:
November 18, 2020
Date of Patent:
January 18, 2022
Assignee:
Korea Advanced Institute of Science and Technology
Abstract: In a method of manufacturing a highly stretchable three-dimensional (3D) percolated conductive nano-network structure, a 3D nano-structured porous elastomer including patterns distributed in a periodic network is formed. A surface of the 3D nano-structured porous elastomer is changed to a hydrophilic state. A polymeric material is conformally adhered on the surface of the 3D nano-structured porous elastomer. The surface of the 3D nano-structured porous elastomer is wet by infiltrating a conductive solution in which a conductive material is dispersed. A 3D percolated conductive nano-network coupled with the 3D nano-structured porous elastomer is formed by evaporating a solvent of the conductive solution and removing the polymeric material.
Type:
Application
Filed:
May 17, 2021
Publication date:
January 13, 2022
Applicant:
Korea Advanced Institute of Science and Technology
Abstract: Disclosed are an unsupervised learning-based image registration method using a neural network with cycle consistency and an apparatus therefor. An image registration method includes receiving a first image and a second image for image registration, outputting a deformation field for the first image and the second image using an unsupervised learning-based neural network with cycle consistency for the deformation field, and generating a registration image for the first image and the second image based on a spatial deformation function using the output deformation field. The outputting of the deformation field includes outputting the deformation field for the first image for registering the first image to the second image may be output, when the first image is a moving image and the second image is a fixed image, and the generating of the registration image includes generating the registration image by applying the deformation field for the first image to the first image using the spatial deformation function.
Type:
Application
Filed:
July 1, 2021
Publication date:
January 6, 2022
Applicant:
Korea Advanced Institute of Science and Technology
Abstract: According to embodiments of the present disclosure, a solid oxide fuel cell includes a cathode, an anode, and a solid oxide electrolyte disposed between the anode and the cathode. The anode includes a porous scaffold that includes a solid oxide having one or more metal nanoparticles disposed on one or more surfaces of the porous scaffold. The porous scaffold and the solid oxide electrolyte are formed from La0.8Sr0.2Ga0.83Mg0.17O2.815 (LSGM), and the metal nanoparticles are selected from the group consisting of platinum, nickel, gold, and combinations thereof. Methods of synthesizing ammonia using the fuel cell are also described.
Type:
Application
Filed:
July 6, 2021
Publication date:
January 6, 2022
Applicants:
Saudi Arabian Oil Company, Korea Advanced Institute of Science and Technology
Inventors:
Sai P. Katikaneni, Kunho Lee, Kangyong Lee, Joongmyeon Bae, WooChul Jung
Abstract: According to embodiments of the present disclosure, a solid oxide fuel cell includes a cathode, an anode, and a solid oxide electrolyte between the anode and the cathode. The solid oxide electrolyte includes a solid oxide, and the anode includes a porous scaffold. The porous scaffold includes a solid oxide having metal-based catalysts disposed on one or more surfaces of the porous scaffold. In embodiments, at least one ammonia decomposition layer is disposed proximate the surface of the porous scaffold and is configured to convert ammonia into hydrogen and nitrogen for subsequent feed of hydrogen to the anode. The ammonia decomposition layer also includes a metal decomposition catalyst.
Type:
Application
Filed:
July 6, 2021
Publication date:
January 6, 2022
Applicants:
Saudi Arabian Oil Company, Korea Advanced Institute of Science and Technology
Inventors:
Sai P. Katikaneni, Kunho Lee, Kangyong Lee, Joongmyeon Bae, WooChul Jung
Abstract: Disclosed is a method and system for enhancing document reliability to enable a given document to receive higher reliability from a reader. A method for enhancing document reliability according to an embodiment of the present invention comprises the steps of: when a document is input by a user, generating a correction candidate set for each sentence of the input document; predicting a reliability distribution for each of the generated correction candidate set and the input document; and enhancing reliability of the input document via a plurality of enhancement schemes based on a standard deviation and a mean of the predicted reliability distribution.
Type:
Application
Filed:
September 30, 2019
Publication date:
January 6, 2022
Applicant:
Korea Advanced Institute of Science and Technology
Inventors:
Jong Cheol Park, Wonsuk Yang, Jung-Ho Kim
Abstract: According to embodiments of the present disclosure, a method of producing hydrogen in a fuel cell includes passing ammonia under pressure to an anode of the fuel cell, where the ammonia is decomposed into nitrogen gas and protons. The fuel cell comprises a cathode, the anode, and a proton-conducting electrolyte between the anode and the cathode. The anode includes an ammonia decomposition catalyst. The method further includes passing the purging the nitrogen from the anode, passing the protons through the proton-conducting electrolyte to the cathode, and passing the electrons from the anode to the cathode, wherein the protons and the electrons react to produce substantially pure hydrogen gas under pressure.
Type:
Application
Filed:
July 6, 2021
Publication date:
January 6, 2022
Applicants:
Saudi Arabian Oil Company, Korea Advanced Institute of Science and Technology
Inventors:
Sai P. Katikaneni, Kunho Lee, Joongmyeon Bae, WooChul Jung
Abstract: A mobile robot control apparatus includes an online 3D modeler and a path planner. The online 3D modeler is configured to receive an image sequence from a mobile robot and to generate a first map and a second map different from the first map based on the image sequence. The path planner is configured to generate a global path based on the first map, to extract a target surface based on the second map and to generate a local inspection path having a movement unit smaller than a movement unit of the global path based on the global path and the target surface.
Type:
Application
Filed:
June 29, 2021
Publication date:
December 30, 2021
Applicant:
Korea Advanced Institute of Science and Technology
Abstract: The disclosed graphene quantum dot composite includes a dielectric matrix including a metal oxynitride, and a graphene quantum dot dispersed in the dielectric matrix. The graphene quantum dot composite can reduce the aggregation-caused photoluminescence quenching of graphene quantum dots, and can improve a photoluminescence quantum yields of a graphene quantum dot.
Type:
Application
Filed:
October 31, 2019
Publication date:
December 30, 2021
Applicant:
Korea Advanced Institute of Science and Technology
Abstract: The present invention, which is used for continuous variable quantum key distribution (CVQKD) with asynchronous local oscillators, relates to a system for performing a phase compensation of a scheme of using LO phase estimation and feedback at a receiver (Bob) using a pilot signal from a transmitter (Alice) and a scheme of measuring quantum state data using an LO having a predetermined phase at the receiver (Bob) and estimating and feeding back an LO phase through multi-dimensional reconciliation (MDR).
Type:
Grant
Filed:
April 13, 2018
Date of Patent:
December 28, 2021
Assignee:
Korea Advanced Institute of Science and Technology
Inventors:
June Koo Rhee, Ii Hwan Park, Kyong Chun Lim, Jun Sang Oh, Yong Seen Kim
Abstract: A method for processing, by a base station, an interference in a wireless communication system includes determining a first base station group and a second base station group based on network topology information, determining a first precoder vector for the first base station group and a second precoder vector for the second base station group, the first precoder vector being linearly independent of the second precoder vector, and transmitting the first precoder vector and a first decoder vector to the first base station group and transmitting the second precoder vector and a second decoder vector to the second base station group, wherein the first decoder vector is included in a null space of the second precoder vector, and the second decoder vector is included in a null space of the first precoder vector.
Type:
Grant
Filed:
January 12, 2017
Date of Patent:
December 28, 2021
Assignees:
LG Electronics Inc., Korea Advanced Institute of Science and Technology
Inventors:
Heejin Kim, Changho Suh, Jaewoong Cho, Jiwon Kang
Abstract: Disclosed herein are electrolyte bismuth calcium ferrites having high oxygen vacancy ion mobility. There can be provided an oxygen vacancy electrolyte material including bismuth calcium ferrites (Bi1-xCaxFeO3-?).
Type:
Grant
Filed:
September 10, 2019
Date of Patent:
December 28, 2021
Assignee:
Korea Advanced Institute of Science and Technology
Abstract: Embodiments of the present disclosure are directed to a diesel reformer system comprising: a diesel autothermal reforming unit; a post-reforming unit disposed downstream of the autothermal reforming unit; a heat exchanger disposed downstream of the post-reforming unit; and a desulfurization unit disposed downstream of the heat exchanger.
Type:
Application
Filed:
June 23, 2020
Publication date:
December 23, 2021
Applicants:
Saudi Arabian Oil Company, Korea Advanced Institute of Science and Technology
Inventors:
Sai P. Katikaneni, Joongyeon Bae, Jiwoo Oh, Minseok Bae, Dongyeon Kim
Abstract: Semiconductor devices may include a stacked structure including interlayer insulating layers and gate electrodes alternately stacked in a vertical direction, a core region extending in the vertical direction in the stacked structure, a channel layer on a side surface of the core region and facing the gate electrodes and the interlayer insulating layers, a first dielectric layer, a data storage layer and a second dielectric layer, which are between the channel layer and the gate electrodes in order, and an anti-ferroelectric layer including a portion interposed between the first dielectric layer and a first gate electrode of the gate electrodes. The second dielectric layer may contact the channel layer. The anti-ferroelectric layer may be formed of an anti-ferroelectric material having a tetragonal phase.
Type:
Application
Filed:
May 11, 2021
Publication date:
December 23, 2021
Applicant:
Korea Advanced Institute of Science and Technology
Abstract: Embodiments of the present disclosure are directed to a diesel reforming system comprising: a diesel autothermal reformer; a liquid desulfurizer disposed upstream of the diesel autothermal reformer and configured to remove sulfur compounds from diesel fuel prior to feeding to the diesel autothermal reformer; a combustor in communication with the liquid desulfurizer and configured to provide heat for the liquid desulfurizer; a regulating valve in communication with the liquid desulfurizer and the combustor, the regulating valve being configured to control diesel fuel feeds to the liquid desulfurizer and the combustor; and a post-reformer disposed downstream of the diesel autothermal reformer.
Type:
Application
Filed:
June 22, 2020
Publication date:
December 23, 2021
Applicants:
Saudi Arabian Oil Company, Korea Advanced Institute of Science and Technology
Inventors:
Sai P. Katikaneni, Joongmyeon Bae, Jiwoo Oh, Minseok Bae, Dongyeon Kim
Abstract: A semiconductor package includes a semiconductor chip and a polydimethylsiloxane (PDMS) layer that is provided on the semiconductor chip and of which upper surface is exposed to the outside. Since the semiconductor package may include the PDMS layer, heat emitting performance of the semiconductor package in a vacuum state may improve.
Type:
Grant
Filed:
January 20, 2020
Date of Patent:
December 21, 2021
Assignees:
SAMSUNG ELECTRONICS CO., LTD., Korea Advanced Institute Of Science And Technology