Patents by Inventor Chang Sun KONG
Chang Sun KONG 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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Patent number: 11444290Abstract: The present invention relates to a separator, and a fuel cell stack comprising the same, and according to one aspect of the present invention, there is provided a separator formed of a metallic material and having a plurality of pores, wherein some regions have a hydrophilic surface and some other regions have a hydrophobic surface.Type: GrantFiled: February 9, 2018Date of Patent: September 13, 2022Assignee: LG CHEM, LTD.Inventors: Yoo Seok Kim, Hye Mi Jung, Chang Sun Kong, Jae Choon Yang
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Patent number: 11325502Abstract: An electric vehicle includes first to fourth motors respectively mounted to individually rotate right and left wheels in the front and rear of the vehicle, first to fourth fuel cell stack modules independently connected to the respective motors so as to supply power to the first to fourth motors, a battery pack for supplying power to the first to fourth motors, a main control part for controlling the first to fourth motors, the first to fourth fuel cell stack modules and the battery pack and a tank for supplying hydrogen gas to the first to fourth fuel cell stack modules.Type: GrantFiled: September 20, 2018Date of Patent: May 10, 2022Assignee: LG CHEM, LTD.Inventors: Chang Sun Kong, Jae Choon Yang
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Patent number: 10944116Abstract: The present invention relates to a separator and a fuel cell stack comprising the same, and according to one aspect of the present invention, there is provided a separator comprising a plurality of channels including a bottom forming a flow space for a reaction gas to flow and a pair of sidewalls connected to the bottom, and a plurality of ribs provided so as to connect the sidewalls of two adjacent channels, wherein the sidewall of the channel is provided with a water storage part which is recessed inward and has a first inclined surface and a second inclined surface connected by a first angle.Type: GrantFiled: November 30, 2017Date of Patent: March 9, 2021Inventors: Chang Sun Kong, Hye Mi Jung, Jae Choon Yang
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Patent number: 10901038Abstract: An artificial intelligent fuel cell system according to an exemplary embodiment of the present invention may include: a fuel cell stack in which a plurality of unit cells is combined for generating electric energy with an electrochemical reaction; a sensor unit which measures in real time data about each of the unit cells forming the fuel cell stack, temperature, pressure, humidity, and flow rates of reaction gases, and cooling water, and current and voltage data during an operation of a fuel cell; an artificial intelligent unit which collects the data measured by the sensor unit with a predetermined time interval, generates a model for predicting and controlling performance of the fuel cell through the learning and analysis of the collected data, compares the generated model with the data measured in real time and diagnoses a state of the fuel cell stack, and generates a control signal for changing an operation condition of the fuel cell stack; and a control unit which changes the operation condition of theType: GrantFiled: September 14, 2017Date of Patent: January 26, 2021Assignee: LG CHEM, LTD.Inventors: Chang Sun Kong, Jae Choon Yang
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Patent number: 10818937Abstract: The present invention relates to a separation plate, a manufacturing method therefor, and a fuel cell stack comprising the same, and according to one aspect of the present invention, provided is a separation plate having: a first surface and a second surface in a direction opposite to that of the first surface; a plurality of channel elements protruding from the second surface toward the first surface, wherein each of the channel elements is arranged to have an inlet port and an outlet port along the flowing direction of a fluid flowing on the first surface; and a rib having a height varying along the circumferential direction of a virtual axis connecting the inlet port and the outlet port, wherein at least a partial region of an outer surface of the rib is formed into a cycloid curved surface along the circumferential direction of the virtual axis.Type: GrantFiled: June 17, 2016Date of Patent: October 27, 2020Assignee: LG CHEM, LTD.Inventors: Chang Sun Kong, Jae Choon Yang, Hye Mi Jung
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Publication number: 20200231066Abstract: An electric vehicle includes first to fourth motors respectively mounted to individually rotate right and left wheels in the front and rear of the vehicle, first to fourth fuel cell stack modules independently connected to the respective motors so as to supply power to the first to fourth motors, a battery pack for supplying power to the first to fourth motors, a main control part for controlling the first to fourth motors, the first to fourth fuel cell stack modules and the battery pack and a tank for supplying hydrogen gas to the first to fourth fuel cell stack modules.Type: ApplicationFiled: September 20, 2018Publication date: July 23, 2020Applicant: LG CHEM, LTD.Inventors: Chang Sun KONG, Jae Choon YANG
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Patent number: 10629919Abstract: The present invention relates to a separating plate, a method for manufacturing the same, and a fuel cell stack comprising the same. An aspect of the present invention provides a separating plate comprising: a plurality of channels extending in elongated shapes along a first direction, respectively; and a plurality of riblet elements provided to connect side walls of two adjacent channels along a second direction, which is perpendicular to the first direction, wherein the plurality of riblet elements, which connect side walls of two adjacent channels, are spaced by a predetermined interval along the first direction, and a separating plate, which is provided with a first opening, is provided between two riblet elements, which are adjacent to each other along the first direction.Type: GrantFiled: June 30, 2016Date of Patent: April 21, 2020Assignee: LG CHEM, LTD.Inventors: Hye Mi Jung, Jae Choon Yang, Jee Hoon Jeong, Chang Sun Kong
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Patent number: 10622652Abstract: The present invention relates to a fuel cell system and a control method therefor. An aspect of the present invention provides a fuel cell system comprising: a fuel cell stack; a memory unit in which a plurality of current-voltage curves, which are determined according to operation conditions of the fuel cell stack, are stored; a measurement unit for detecting an operation condition of the fuel cell stack; and a control unit for calling a current-voltage curve which satisfies the operation condition of the fuel cell stack, detected by the measurement unit, and predicting the performance of the fuel cell stack according to the called current-voltage curve.Type: GrantFiled: October 31, 2016Date of Patent: April 14, 2020Assignee: LG CHEM, LTD.Inventors: Chang Sun Kong, Jae Choon Yang
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Publication number: 20200112034Abstract: The present invention relates to a separator, and a fuel cell stack comprising the same, and according to one aspect of the present invention, there is provided a separator formed of a metallic material and having a plurality of pores, wherein some regions have a hydrophilic surface and some other regions have a hydrophobic surface.Type: ApplicationFiled: February 9, 2018Publication date: April 9, 2020Inventors: YOO SEOK KIM, HYE MI JUNG, CHANG SUN KONG, JAE CHOON YANG
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Publication number: 20200006786Abstract: The present invention relates to a separator and a fuel cell stack comprising the same, and according to one aspect of the present invention, there is provided a separator comprising a plurality of channels including a bottom forming a flow space for a reaction gas to flow and a pair of sidewalls connected to the bottom, and a plurality of ribs provided so as to connect the sidewalls of two adjacent channels, wherein the sidewall of the channel is provided with a water storage part which is recessed inward and has a first inclined surface and a second inclined surface connected by a first angle.Type: ApplicationFiled: November 30, 2017Publication date: January 2, 2020Applicant: LG CHEM, LTD.Inventors: Chang Sun KONG, Hye Mi JUNG, Jae Choon YANG
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Publication number: 20190018067Abstract: An artificial intelligent fuel cell system according to an exemplary embodiment of the present invention may include: a fuel cell stack in which a plurality of unit cells is combined for generating electric energy with an electrochemical reaction; a sensor unit which measures in real time data about each of the unit cells forming the fuel cell stack, temperature, pressure, humidity, and flow rates of reaction gases, and cooling water, and current and voltage data during an operation of a fuel cell; an artificial intelligent unit which collects the data measured by the sensor unit with a predetermined time interval, generates a model for predicting and controlling performance of the fuel cell through the learning and analysis of the collected data, compares the generated model with the data measured in real time and diagnoses a state of the fuel cell stack, and generates a control signal for changing an operation condition of the fuel cell stack; and a control unit which changes the operation condition of theType: ApplicationFiled: September 14, 2017Publication date: January 17, 2019Applicant: LG CHEM, LTD.Inventors: Chang Sun KONG, Jae Choon YANG
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Publication number: 20180301724Abstract: The present invention relates to a fuel cell system and a control method therefor. An aspect of the present invention provides a fuel cell system comprising: a fuel cell stack; a memory unit in which a plurality of current-voltage curves, which are determined according to operation conditions of the fuel cell stack, are stored; a measurement unit for detecting an operation condition of the fuel cell stack; and a control unit for calling a current-voltage curve which satisfies the operation condition of the fuel cell stack, detected by the measurement unit, and predicting the performance of the fuel cell stack according to the called current-voltage curve.Type: ApplicationFiled: October 31, 2016Publication date: October 18, 2018Applicant: LG CHEM, LTD.Inventors: Chang Sun KONG, Jae Choon YANG
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Publication number: 20180175406Abstract: The present invention relates to a separation plate, a manufacturing method therefor, and a fuel cell stack comprising the same, and according to one aspect of the present invention, provided is a separation plate having: a first surface and a second surface in a direction opposite to that of the first surface; a plurality of channel elements protruding from the second surface toward the first surface, wherein each of the channel elements is arranged to have an inlet port and an outlet port along the flowing direction of a fluid flowing on the first surface; and a rib having a height varying along the circumferential direction of a virtual axis connecting the inlet port and the outlet port, wherein at least a partial region of an outer surface of the rib is formed into a cycloid curved surface along the circumferential direction of the virtual axis.Type: ApplicationFiled: June 17, 2016Publication date: June 21, 2018Applicant: LG CHEM, LTD.Inventors: Chang Sun KONG, Jae Choon YANG, Hye Mi JUNG
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Publication number: 20180145346Abstract: The present invention relates to a separating plate, a method for manufacturing the same, and a fuel cell stack comprising the same. An aspect of the present invention provides a separating plate comprising: a plurality of channels extending in elongated shapes along a first direction, respectively; and a plurality of riblet elements provided to connect side walls of two adjacent channels along a second direction, which is perpendicular to the first direction, wherein the plurality of riblet elements, which connect side walls of two adjacent channels, are spaced by a predetermined interval along the first direction, and a separating plate, which is provided with a first opening, is provided between two riblet elements, which are adjacent to each other along the first direction.Type: ApplicationFiled: June 30, 2016Publication date: May 24, 2018Applicant: LG CHEM, LTD.Inventors: Hye Mi JUNG, Jae Choon YANG, Jee Hoon JEONG, Chang Sun KONG