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).
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Publication number: 20190131603Abstract: 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: ApplicationFiled: December 4, 2017Publication date: May 2, 2019Inventors: Sang Jin Park, Jung Young Cho, Sung Min Choi, Shin Kook Kong
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Patent number: 10247476Abstract: 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: GrantFiled: August 15, 2017Date of Patent: April 2, 2019Assignees: NDT ENGINEERING & AEROSPACE CO., LTD., INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONSANG NATIONAL UNIVERSITYInventors: Ki Hyun Lim, Dae Bin Song, Dae Hong Jung, Sung Min Choi, Jong Hyun Yoon, Sang Hyun Park
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Patent number: 10224534Abstract: 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: GrantFiled: April 4, 2015Date of Patent: March 5, 2019Assignee: Hyundai Motor CompanyInventors: Hong Seok Min, Ik Kyu Kim, Sung Min Choi, Seung Ho Ahn
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Patent number: 10193189Abstract: 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: GrantFiled: November 29, 2016Date of Patent: January 29, 2019Assignee: HYUNDAI MOTOR COMPANYInventors: Sung Min Choi, Ik Kyu Kim, Seung Ho Ahn, Hong Seok Min
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Patent number: 10185453Abstract: 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: GrantFiled: July 10, 2017Date of Patent: January 22, 2019Assignee: Samsung Display Co., Ltd.Inventors: Sung Min Choi, Dae Won Kim, Ik Jun Hong, Han Ki Park
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Patent number: 10147916Abstract: 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: GrantFiled: May 25, 2016Date of Patent: December 4, 2018Assignee: Hyundai Motor CompanyInventors: 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
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Publication number: 20180331381Abstract: 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: ApplicationFiled: May 9, 2018Publication date: November 15, 2018Inventors: 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
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Patent number: 10109842Abstract: 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: GrantFiled: June 8, 2016Date of Patent: October 23, 2018Assignee: Hyundai Motor CompanyInventors: Seung Ho Ahn, Ik Kyu Kim, Woo Jin Shin, Hong Seok Min, Sung Min Choi, Jung Je Woo, Jung Young Cho
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Patent number: 10059217Abstract: 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: GrantFiled: December 12, 2014Date of Patent: August 28, 2018Assignee: Hyundai Motor CompanyInventors: Hong Seok Min, Seung Ho Ahn, Sung Min Choi, Ik Kyu Kim
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Publication number: 20180183108Abstract: 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: ApplicationFiled: August 23, 2017Publication date: June 28, 2018Inventors: Yeol Mae Yeo, Ki Seok Koh, Yoon Sung Lee, Seung Min Oh, Hong Seok Min, Sung Min Choi
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Publication number: 20180159185Abstract: 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: ApplicationFiled: June 5, 2017Publication date: June 7, 2018Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Sung Min Choi, Hong Seok Min, Oh Min Kwon, Ik Kyu Kim, Seung Ho Ahn
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Publication number: 20180112915Abstract: 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: ApplicationFiled: August 15, 2017Publication date: April 26, 2018Inventors: Ki Hyun LIM, Dae Bin SONG, Dae Hong JUNG, Sung Min CHOI, Jong Hyun YOON, Sang Hyun PARK
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Publication number: 20180090793Abstract: 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: ApplicationFiled: November 29, 2016Publication date: March 29, 2018Applicant: HYUNDAI MOTOR COMPANYInventors: Sung Min CHOI, Ik Kyu KIM, Seung Ho AHN, Hong Seok MIN
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Publication number: 20180018045Abstract: 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: ApplicationFiled: July 10, 2017Publication date: January 18, 2018Inventors: Sung Min CHOI, Dae Won KIM, Ik Jun HONG, Han Ki PARK
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Patent number: 9825278Abstract: 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: GrantFiled: July 2, 2014Date of Patent: November 21, 2017Assignee: HYUNDAI MOTOR COMPANYInventors: Hong Seok Min, Seung Ho Ahn, Sung Min Choi
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Patent number: 9741995Abstract: 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: GrantFiled: August 9, 2015Date of Patent: August 22, 2017Assignee: Hyundai Motor CompanyInventors: Hong Seok Min, Ik Kyu Kim, Sung Min Choi, Seung Ho Ahn
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Publication number: 20170125786Abstract: 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: ApplicationFiled: May 12, 2016Publication date: May 4, 2017Inventors: Sang Mok PARK, Sung Min CHOI
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Publication number: 20170117515Abstract: 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: ApplicationFiled: May 25, 2016Publication date: April 27, 2017Inventors: 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
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Publication number: 20170110712Abstract: 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: ApplicationFiled: September 30, 2016Publication date: April 20, 2017Inventors: Seung Ho Ahn, Ik Kyu Kim, Woo Jin Shin, Hong Seok Min, Sung Min Choi, Jung Je Woo, Jung Young Cho
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Publication number: 20170110711Abstract: 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: ApplicationFiled: June 8, 2016Publication date: April 20, 2017Inventors: Seung Ho Ahn, Ik Kyu Kim, Woo Jin Shin, Hong Seok Min, Sung Min Choi, Jung Je Woo, Jung Young Cho