Patents by Inventor Sung Min Choi

Sung Min Choi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20190131603
    Abstract: Provided are a method of manufacturing an all-solid battery and an all-solid battery manufactured by the method. The all-solid batter may have edge portions that can be more effectively insulated. In particular, the all-solid battery may include a cathode layer, an anode layer, and an electrolyte layer, a first insulator disposed at an edge of the cathode layer and a second insulator disposed between the cathode layer and the first insulator, thereby forming a membrane of the second insulator for preventing contact between the cathode layer and the anode layer in pressing.
    Type: Application
    Filed: December 4, 2017
    Publication date: May 2, 2019
    Inventors: Sang Jin Park, Jung Young Cho, Sung Min Choi, Shin Kook Kong
  • Patent number: 10247476
    Abstract: The present invention relates to an improved food waste dryer utilizing waste heat, which includes a main frame, a dryer drum with an access door, to be positioned in the main frame, and an agitator positioned in the dryer drum. The improved food waste dryer comprises: a waste heat supply unit, a heating jacket positioned on the outer surface of the dryer drum, with a hot-air inlet to receive the waste heat from the waste heat supply unit and a hot-air outlet to discharge the waste heat inside the dryer drum, and a condensation system positioned in the main frame, to remove moisture included in the interior air of the dryer drum to increase the drying efficiency of the food waste dryer utilizing waste heat.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: April 2, 2019
    Assignees: NDT ENGINEERING & AEROSPACE CO., LTD., INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONSANG NATIONAL UNIVERSITY
    Inventors: Ki Hyun Lim, Dae Bin Song, Dae Hong Jung, Sung Min Choi, Jong Hyun Yoon, Sang Hyun Park
  • Patent number: 10224534
    Abstract: A swelling current interrupt device (CID) includes: a battery unit connection terminal configured to be fixed to a pouch; and a lead tab connection terminal configured to be fixed to the pouch and electrically connected to the battery unit connection terminal, wherein any one of the battery unit connection terminal and the lead tab connection terminal is broken by an expansion force of the pouch which is generated when the pouch expands to interrupt the electrical connection between the battery unit connection terminal and the lead tab connection terminal.
    Type: Grant
    Filed: April 4, 2015
    Date of Patent: March 5, 2019
    Assignee: Hyundai Motor Company
    Inventors: Hong Seok Min, Ik Kyu Kim, Sung Min Choi, Seung Ho Ahn
  • Patent number: 10193189
    Abstract: The present disclosure relates to a battery cell. The battery cell includes: an electrode assembly; a pouch which wraps around the electrode assembly; an electrode tab extended from the electrode assembly; a lead tab attached to the electrode tab; and a current interrupt device which is configured to block reconnection of the lead tab and the electrode tab when the pouch is shrunk to return to an original position after being expanded, while blocking current flow by separating the lead tab and the electrode tab through the expansion of the pouch, when abnormal situation of battery cell occurs.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: January 29, 2019
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Sung Min Choi, Ik Kyu Kim, Seung Ho Ahn, Hong Seok Min
  • Patent number: 10185453
    Abstract: A pressure sensor including a first conductor located in a pressure sensing region including a first sensing region and a second sensing region; and a second conductor spaced apart from the first conductor, the second conductor forming capacitance with the first conductor. The first conductor includes a first conductive part located in the first sensing region and a second conductive part located in the second sensing region. The area ratio of the second conductive part with respect to the second sensing region is different from the area ratio of the first conductive part with respect to the first sensing region.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: January 22, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Min Choi, Dae Won Kim, Ik Jun Hong, Han Ki Park
  • Patent number: 10147916
    Abstract: A battery cell includes: an electrode assembly; a pouch case accommodating the electrode assembly therein; and an electrode lead including an outer lead protruding to an outside of the pouch case and an inner lead disposed between the outer lead and the electrode assembly, accommodated in the pouch case, bent plural times in a direction in which it connects the electrode assembly and the outer lead to each other, and cut by expansion force of the pouch case.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: December 4, 2018
    Assignee: Hyundai Motor Company
    Inventors: Seung Ho Ahn, Ik Kyu Kim, Woo Jin Shin, Hong Seok Min, Sung Min Choi, Jung Je Woo, Jung Young Cho, Se Jung Oh, Hoi Suk Han
  • Publication number: 20180331381
    Abstract: The present invention relates to a method for manufacturing a protonic ceramic fuel cell, more particularly to a method for manufacturing a protonic ceramic fuel cell, which includes an electrolyte layer with a dense structure and has very superior interfacial bonding between the electrolyte layer and a cathode layer.
    Type: Application
    Filed: May 9, 2018
    Publication date: November 15, 2018
    Inventors: Jong Ho LEE, Hyeg Soon AN, Sung Min CHOI, Kyung Joong YOON, Ji-Won SON, Byung Kook KIM, Hae-Weon LEE, Mansoo PARK, Hyoungchul KIM, Ho-Il JI
  • Patent number: 10109842
    Abstract: A battery cell includes: an electrode assembly; a pouch case accommodating the electrode assembly therein; and an electrode lead including an outer lead protruding to an outside of the pouch case and an inner lead disposed between the outer lead and the electrode assembly, accommodated in the pouch case, and cut by expansion force of the pouch case.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: October 23, 2018
    Assignee: Hyundai Motor Company
    Inventors: Seung Ho Ahn, Ik Kyu Kim, Woo Jin Shin, Hong Seok Min, Sung Min Choi, Jung Je Woo, Jung Young Cho
  • Patent number: 10059217
    Abstract: A system for controlling a battery to extend a driving mileage is provided. The system supplies a high voltage required to drive a motor by connecting a plurality of batteries in series by turning off a battery switching unit during engaged of an accelerator and balances voltage between the plurality of batteries. A voltage deviation is managed by connecting the plurality of batteries in parallel by turning on the battery switching unit when the accelerator is disengaged. The system includes a plurality of battery modules and a battery switching unit configured to connect the plurality of battery modules in parallel when an accelerator is disengaged and connect the plurality of battery modules in series when the accelerator is engaged. A motor driving unit is configured to receive an output by the battery switching unit when the accelerator is engaged.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: August 28, 2018
    Assignee: Hyundai Motor Company
    Inventors: Hong Seok Min, Seung Ho Ahn, Sung Min Choi, Ik Kyu Kim
  • Publication number: 20180183108
    Abstract: Disclosed are a separator for secondary batteries with enhanced stability and a method of manufacturing the separator. The separator can prevent self-discharge which may occur when a porous non-woven fabric material is used for a separator; can perform a shutdown function at a high temperature of 200° C. or less; and can avoid even under harsh conditions of high temperatures, deterioration in stability caused by internal short-circuit of positive and negative electrodes. In particular, the separator for secondary batteries of the present invention includes a porous non-woven fabric material impregnated with a baroplastic polymer powder and pores of the porous non-woven fabric material are filled with the baroplastic polymer powder by pressing an assembly of the secondary battery.
    Type: Application
    Filed: August 23, 2017
    Publication date: June 28, 2018
    Inventors: Yeol Mae Yeo, Ki Seok Koh, Yoon Sung Lee, Seung Min Oh, Hong Seok Min, Sung Min Choi
  • Publication number: 20180159185
    Abstract: An overcharge safety device includes a switch electrically connecting a lead tap of a battery cell with a bus bar, and includes a guide member connected with the switch and movable as a pouch of the battery cell swells. As the pouch of the battery cell swells, the guide member moves toward the bus bar to disconnect the switch from the lead tap.
    Type: Application
    Filed: June 5, 2017
    Publication date: June 7, 2018
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sung Min Choi, Hong Seok Min, Oh Min Kwon, Ik Kyu Kim, Seung Ho Ahn
  • Publication number: 20180112915
    Abstract: The present invention relates to an improved food waste dryer utilizing waste heat, which includes a main frame, a dryer drum with an access door, to be positioned in the main frame, and an agitator positioned in the dryer drum. The improved food waste dryer comprises: a waste heat supply unit, a heating jacket positioned on the outer surface of the dryer drum, with a hot-air inlet to receive the waste heat from the waste heat supply unit and a hot-air outlet to discharge the waste heat inside the dryer drum, and a condensation system positioned in the main frame, to remove moisture included in the interior air of the dryer drum to increase the drying efficiency of the food waste dryer utilizing waste heat.
    Type: Application
    Filed: August 15, 2017
    Publication date: April 26, 2018
    Inventors: Ki Hyun LIM, Dae Bin SONG, Dae Hong JUNG, Sung Min CHOI, Jong Hyun YOON, Sang Hyun PARK
  • Publication number: 20180090793
    Abstract: The present disclosure relates to a battery cell. The battery cell includes: an electrode assembly; a pouch which wraps around the electrode assembly; an electrode tab extended from the electrode assembly; a lead tab attached to the electrode tab; and a current interrupt device which is configured to block reconnection of the lead tab and the electrode tab when the pouch is shrunk to return to an original position after being expanded, while blocking current flow by separating the lead tab and the electrode tab through the expansion of the pouch, when abnormal situation of battery cell occurs.
    Type: Application
    Filed: November 29, 2016
    Publication date: March 29, 2018
    Applicant: HYUNDAI MOTOR COMPANY
    Inventors: Sung Min CHOI, Ik Kyu KIM, Seung Ho AHN, Hong Seok MIN
  • Publication number: 20180018045
    Abstract: A pressure sensor including a first conductor located in a pressure sensing region including a first sensing region and a second sensing region; and a second conductor spaced apart from the first conductor, the second conductor forming capacitance with the first conductor. The first conductor includes a first conductive part located in the first sensing region and a second conductive part located in the second sensing region. The area ratio of the second conductive part with respect to the second sensing region is different from the area ratio of the first conductive part with respect to the first sensing region.
    Type: Application
    Filed: July 10, 2017
    Publication date: January 18, 2018
    Inventors: Sung Min CHOI, Dae Won KIM, Ik Jun HONG, Han Ki PARK
  • Patent number: 9825278
    Abstract: A high voltage battery for vehicles includes an anode tab that is divided into a first part placed near a battery cell and a second part placed near a terminal. A first part extension extends from the first part and is fixed to a lower pouch. A second part extension extends from the second part, comes into contact with the first part extension, and is fixed at an upper end thereof to an upper pouch. An cathode extension extends from a cathode tab and is spaced apart from the upper end of the second part extension. A cushion is interposed between the second part extension and the cathode extension, with a reference level of pressure formed in the cushion.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: November 21, 2017
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Hong Seok Min, Seung Ho Ahn, Sung Min Choi
  • Patent number: 9741995
    Abstract: A battery system improving operation reliability of a swelling current interrupt device (CID) is provided. The battery system includes a cooling plate that forms an appearance of a battery in which the swelling CID interrupting a current flow is mounted and includes a swelling aperture formed therein. The swelling aperture induces an expansion of a pouch in which the swelling CID is embedded. Therefore, since the swelling aperture is formed in the cooling plate, improved operation reliability of the swelling CID than a battery system according to related art in which operation reliability was varied based on a thickness of a pouch cell is obtained.
    Type: Grant
    Filed: August 9, 2015
    Date of Patent: August 22, 2017
    Assignee: Hyundai Motor Company
    Inventors: Hong Seok Min, Ik Kyu Kim, Sung Min Choi, Seung Ho Ahn
  • Publication number: 20170125786
    Abstract: A battery cell includes an electrode assembly, a pouch case accommodating the electrode assembly, and an electrode lead having an outer lead of which at least a portion outwardly protrudes from the pouch case and an inner lead connected to the electrode assembly and the outer lead, wherein the inner lead and the outer lead are connected by a coupling portion, and the coupling portion is fractured when the pouch case expands.
    Type: Application
    Filed: May 12, 2016
    Publication date: May 4, 2017
    Inventors: Sang Mok PARK, Sung Min CHOI
  • Publication number: 20170117515
    Abstract: A battery cell includes: an electrode assembly; a pouch case accommodating the electrode assembly therein; and an electrode lead including an outer lead protruding to an outside of the pouch case and an inner lead disposed between the outer lead and the electrode assembly, accommodated in the pouch case, bent plural times in a direction in which it connects the electrode assembly and the outer lead to each other, and cut by expansion force of the pouch case.
    Type: Application
    Filed: May 25, 2016
    Publication date: April 27, 2017
    Inventors: Seung Ho Ahn, Ik Kyu Kim, Woo Jin Shin, Hong Seok Min, Sung Min Choi, Jung Je Woo, Jung Young Cho, Se Jung Oh, Hoi Suk Han
  • Publication number: 20170110712
    Abstract: A battery cell is provided that includes an electrode assembly and a pouch case that accommodates the electrode assembly therein. Additionally, an electrode lead including an outer lead that protrudes outside the pouch case is provided and an inner lead is disposed between the outer lead and the electrode assembly, accommodated in the pouch case, and cut by tension applied when the pouch case expands.
    Type: Application
    Filed: September 30, 2016
    Publication date: April 20, 2017
    Inventors: Seung Ho Ahn, Ik Kyu Kim, Woo Jin Shin, Hong Seok Min, Sung Min Choi, Jung Je Woo, Jung Young Cho
  • Publication number: 20170110711
    Abstract: A battery cell includes: an electrode assembly; a pouch case accommodating the electrode assembly therein; and an electrode lead including an outer lead protruding to an outside of the pouch case and an inner lead disposed between the outer lead and the electrode assembly, accommodated in the pouch case, and cut by expansion force of the pouch case.
    Type: Application
    Filed: June 8, 2016
    Publication date: April 20, 2017
    Inventors: Seung Ho Ahn, Ik Kyu Kim, Woo Jin Shin, Hong Seok Min, Sung Min Choi, Jung Je Woo, Jung Young Cho