Patents by Inventor Hee Yeon Ryu
Hee Yeon Ryu 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: 20230401425Abstract: A vehicle may include a display; a battery; a battery sensor configured to acquire battery data of the battery; and a processor configured to acquire an output of a battery lifespan model associated with the battery data, predict a lifespan value of the battery based on the output of the battery lifespan model, and display an indication associated with the lifespan value of the battery on the display. The battery lifespan model may include a cell lifespan model associated with a basic lifespan model trained using first battery cell data collected in a first operating environment. The cell lifespan model may use second battery cell data collected in a second operating environment, and a pack lifespan model may be trained using battery pack data collected in the first operating environment.Type: ApplicationFiled: December 8, 2022Publication date: December 14, 2023Inventors: Jaekyung Oh, Chulkyu Lee, Ju Seok Kim, Hee Yeon Ryu, Bohyun Lee, Kyeongeun Cho, Hangsoon Jung, Seongyoon Kim, Jung-Il Choi
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Patent number: 11658499Abstract: A battery diagnosis apparatus determines whether a battery may be reused and includes a data obtaining device configured to output a perturbation signal, a signal regulating device configured to generate a current by applying the perturbation signal to a battery and performing feedback of a current signal output from the battery, and a noise canceling device configured to cancel noises of the current signal and a voltage signal received from the battery. The data obtaining device outputs the perturbation signal while changing a frequency, obtains an impedance spectrum based on the noise-canceled current signal and voltage signal for each frequency, and determines whether to reuse the battery based on the obtained impedance spectrum.Type: GrantFiled: November 24, 2021Date of Patent: May 23, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, FOUNDATION OF SOONGSIL UNIVERSITY-INDUSTRY COOPERATIONInventors: Bohyun Lee, Won Jae Choi, Ju Seok Kim, Jaekyung Oh, Sangwon Lee, Hee Yeon Ryu, Chulkyu Lee, Woojin Choi, Seungjune Lee, Farhan Farooq
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Publication number: 20230003801Abstract: An apparatus for estimating a state of a battery includes a memory configured to store a program of a neural network including a plurality of pre-trained predictive models and an adaptive hidden layer; and includes at least one processor configured to execute the program. The program includes an instruction for receiving battery data of a target battery, inputting the battery data to the adaptive hidden layer, selecting one predictive model from the plurality of pre-trained predictive models through the adaptive hidden layer, inputting the battery data to the selected predictive model, and outputting prediction data for a remaining useful life of the target battery through the selected predictive model.Type: ApplicationFiled: April 26, 2022Publication date: January 5, 2023Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITYInventors: Jaekyung Oh, Won Jae Choi, Ju Seok Kim, Chulkyu Lee, Hee Yeon Ryu, Bohyun Lee, Yun Young Choi, Seongyoon Kim, Jung-Il Choi
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Patent number: 11505088Abstract: A vehicle includes: a battery module including a plurality of battery cells; a battery pack including a plurality of battery modules; a battery cell sensor configured to measure voltages of the plurality of battery cells; a battery module sensor configured to measure a voltage of the battery module and a current of the battery module; and a controller configured to perform data processing based on the data obtained by the battery cell sensor and the battery module sensor.Type: GrantFiled: August 14, 2020Date of Patent: November 22, 2022Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, The Industry & Academic Cooperation in Chungnam National University (IAC)Inventors: WonJae Choi, Hee Yeon Ryu, Ju Seok Kim, Jaekyung Oh, Jonghoon Kim, Jinhyeong Park
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Publication number: 20220239128Abstract: A battery diagnosis apparatus determines whether a battery may be reused and includes a data obtaining device configured to output a perturbation signal, a signal regulating device configured to generate a current by applying the perturbation signal to a battery and performing feedback of a current signal output from the battery, and a noise canceling device configured to cancel noises of the current signal and a voltage signal received from the battery. The data obtaining device outputs the perturbation signal while changing a frequency, obtains an impedance spectrum based on the noise-canceled current signal and voltage signal for each frequency, and determines whether to reuse the battery based on the obtained impedance spectrum.Type: ApplicationFiled: November 24, 2021Publication date: July 28, 2022Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, FOUNDATION OF SOONGSIL UNIVERSITY-INDUSTRY COOPERATIONInventors: Bohyun Lee, Won Jae Choi, Ju Seok Kim, Jaekyung Oh, Sangwon Lee, Hee Yeon Ryu, Chulkyu Lee, Woojin Choi, Seungjune Lee, Farhan Farooq
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Patent number: 11177472Abstract: Disclose are a cathode of an all-solid lithium battery, and a secondary battery system using the same. The cathode includes a lithium composite, and a method of manufacturing the lithium composite comprises: dispersing a solid electrolyte to be uniformly distributed in the pores of a mesoporous conductor to provide a solid electrolyte composite, and coating the solid electrolyte composite on the surface of a lithium compound including nonmetallic solids such as S, Se, and Te.Type: GrantFiled: May 3, 2019Date of Patent: November 16, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Hee Jin Woo, Dae Gun Jin, Hee Yeon Ryu, Yoon Ji Lee, Yong Gu Kim, Na Ry Shin, Eun Ji Kwon, Sang Jin Park
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Publication number: 20210155117Abstract: A vehicle includes: a battery module including a plurality of battery cells; a battery pack including a plurality of battery modules; a battery cell sensor configured to measure voltages of the plurality of battery cells; a battery module sensor configured to measure a voltage of the battery module and a current of the battery module; and a controller configured to perform data processing based on the data obtained by the battery cell sensor and the battery module sensor.Type: ApplicationFiled: August 14, 2020Publication date: May 27, 2021Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, The Industry & Academic Cooperation in Chungnam National University (IAC)Inventors: WonJae Choi, Hee Yeon Ryu, Ju Seok Kim, Jaekyung Oh, Jonghoon Kim, Jinhyeong Park
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Patent number: 10797340Abstract: A lithium air battery comprising a plurality of unit cells which have different diameters, each unit cell comprises: electrodes including: a disc-shaped positive electrode having a first air flow path passing through the positive electrode in a vertical direction of the lithium air battery and one or more electrolyte flow paths on the positive electrode in a horizontal or vertical direction of the lithium air battery; and an negative electrode having a second air flow path passing through the negative electrode in the vertical direction to coincide with the first air flow path; and a separator disposed between the positive electrode and the negative electrode. The unit cells are stacked in the vertical direction within a stack cell tank such that a diffusion layer is disposed between the respective unit cells.Type: GrantFiled: December 5, 2017Date of Patent: October 6, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Se Young Lee, In Woo Song, Jun Ki Rhee, Hee Yeon Ryu, Yoon Ji Lee
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Publication number: 20190260021Abstract: Disclose are a cathode of an all-solid lithium battery, and a secondary battery system using the same. The cathode includes a lithium composite, and a method of manufacturing the lithium composite comprises: dispersing a solid electrolyte to be uniformly distributed in the pores of a mesoporous conductor to provide a solid electrolyte composite, and coating the solid electrolyte composite on the surface of a lithium compound including nonmetallic solids such as S, Se, and Te.Type: ApplicationFiled: May 3, 2019Publication date: August 22, 2019Inventors: Hee Jin Woo, Dae Gun Jin, Hee Yeon Ryu, Yoon Ji Lee, Yong Gu Kim, Na Ry Shin, Eun Ji Kwon, Sang Jin Park
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Patent number: 10326128Abstract: Disclose are a cathode of an all-solid lithium battery, and a secondary battery system using the same. The cathode includes a lithium composite, and a method of manufacturing the lithium composite comprises: dispersing a solid electrolyte to be uniformly distributed in the pores of a mesoporous conductor to provide a solid electrolyte composite, and coating the solid electrolyte composite on the surface of a lithium compound including nonmetallic solids such as S, Se, and Te.Type: GrantFiled: November 9, 2015Date of Patent: June 18, 2019Assignee: Hyundai Motor CompanyInventors: Hee Jin Woo, Dae Gun Jin, Hee Yeon Ryu, Yoon Ji Lee, Yong Gu Kim, Na Ry Shin, Eun Ji Kwon, Sang Jin Park
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Patent number: 10305092Abstract: A method of preparing a positive electrode active material-solid electrolyte complex for an all-solid-state lithium sulfur battery includes mixing a sulfide based solid electrolyte, which includes Li2S and P2S5, and a positive electrode active material to prepare a mixture; milling the mixture to amorphize the mixture; and heat-treating the amorphized mixture.Type: GrantFiled: December 29, 2015Date of Patent: May 28, 2019Assignees: Hyundai Motor Company, Industry-University Cooperation Foundation Hanyang UniversityInventors: Kyoung Jin Jeong, Hee Yeon Ryu, Min Yong Eom, Dong Wook Shin
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Publication number: 20190074536Abstract: A lithium air battery comprising a plurality of unit cells which have different diameters, each unit cell comprises: electrodes including: a disc-shaped positive electrode having a first air flow path passing through the positive electrode in a vertical direction of the lithium air battery and one or more electrolyte flow paths on the positive electrode in a horizontal or vertical direction of the lithium air battery; and an negative electrode having a second air flow path passing through the negative electrode in the vertical direction to coincide with the first air flow path; and a separator disposed between the positive electrode and the negative electrode. The unit cells are stacked in the vertical direction within a stack cell tank such that a diffusion layer is disposed between the respective unit cells.Type: ApplicationFiled: December 5, 2017Publication date: March 7, 2019Inventors: Se Young LEE, In Woo Song, Jun Ki Rhee, Hee Yeon Ryu, Yoon Ji Lee
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Patent number: 10084185Abstract: A cathode for an all solid-state lithium sulfur battery includes a porous conductive material, which is manufactured from a precursor containing sulfur, and contains the sulfur in a backbone and a sulfur active material, which is injected into pores of the porous conductive material.Type: GrantFiled: November 4, 2015Date of Patent: September 25, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: Hee Yeon Ryu, Hee Jin Woo, Ji Man Kim, Su Yeon Bae
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Patent number: 10056593Abstract: An anode structure of a lithium sulfur battery includes a sulfur anode laminated on an aluminum foil, and a carbon coating layer disposed between the sulfur anode and a carbon structure layer in which sulfur is immersed. The sulfur anode includes the sulfur, a conductor, and a binder. The carbon structure layer in which sulfur is immersed is a polyester (PE) separation membrane separated from a counter electrode. A loaded amount of sulfur within the anode structure is dispersed to the sulfur anode and the carbon structure layer in which the sulfur is immersed.Type: GrantFiled: December 12, 2014Date of Patent: August 21, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: Sang Jin Park, Hee Yeon Ryu, Yoon Ji Lee, Hee Jin Woo
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Patent number: 9876223Abstract: Provided herein is a cathode for lithium-sulfur battery. The cathode for lithium-sulfur battery has a structure for improved in charge/discharge efficiency, charge capacity, and life span. In particular, in the cathode structure, an active material is inserted into a porous carbon structure and a surface of the porous carbon structure is densely coated with the conducting material thereby maximizing the contents of an active material and a conducting material in the cathode without a current collector.Type: GrantFiled: April 8, 2015Date of Patent: January 23, 2018Assignee: Hyundai Motor CompanyInventors: Hee Yeon Ryu, Yoon Ji Lee, Hee Jin Woo, Sang Jin Park
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Cathode current collector for electrical energy storage device and method for manufacturing the same
Patent number: 9837666Abstract: Disclosed is a cathode current collector for an electrical energy storage device and a method for manufacturing the same, which improves adhesion between a current collector and an electrode material and provide a high reaction surface area, thereby improving the performance of the electrical energy storage. In particular, a first alumina film is formed on the surface of an aluminum foil using an anodic oxidation process. Next, the first alumina film formed on a surface of the aluminum foil is removed through etching and a second alumina film is formed on the surface of the aluminum foil, from which the first alumina film is removed, using the anodic oxidation process again. Subsequently, a carbon layer is coated on a surface of the aluminum foil on which the second alumina film is formed.Type: GrantFiled: November 5, 2015Date of Patent: December 5, 2017Assignee: Hyundai Motor CompanyInventors: Sam Ick Son, Hee Yeon Ryu, Dae Gun Jin -
Publication number: 20160351964Abstract: A method of preparing a positive electrode active material-solid electrolyte complex for an all-solid-state lithium sulfur battery includes mixing a sulfide based solid electrolyte, which includes Li2S and P255, and a positive electrode active material to prepare a mixture; milling the mixture to amorphize the mixture; and heat-treating the amorphized mixture.Type: ApplicationFiled: December 29, 2015Publication date: December 1, 2016Inventors: Kyoung Jin JEONG, Hee Yeon RYU, Min Yong EOM, Dong Wook SHIN
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Publication number: 20160308204Abstract: A cathode for an all solid-state lithium sulfur battery includes a porous conductive material, which is manufactured from a precursor containing sulfur, and contains the sulfur in a backbone and a sulfur active material, which is injected into pores of the porous conductive material.Type: ApplicationFiled: November 4, 2015Publication date: October 20, 2016Applicant: HYUNDAI MOTOR COMPANYInventors: Hee Yeon RYU, Hee Jin WOO, Ji Man KIM, Su Yeon BAE
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Publication number: 20160190538Abstract: A lithium-sulfur secondary battery includes a positive electrode, a conductive and liquid-retaining structure, and a positive electrode. The conductive and liquid-retaining structure has a thickness of 5 to 100 ?m, an areal weight of 10 to 120 g/m2, and a porosity of 70 to 95% and is coated with a hydrophilic polymer.Type: ApplicationFiled: November 23, 2015Publication date: June 30, 2016Inventors: Yoon Ji LEE, Hee Yeon RYU, Dae Gun JIN, Sang Jin PARK
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Publication number: 20160190565Abstract: Disclose are a cathode of an all-solid lithium battery, and a secondary battery system using the same. The cathode includes a lithium composite, and a method of manufacturing the lithium composite comprises: dispersing a solid electrolyte to be uniformly distributed in the pores of a mesoporous conductor to provide a solid electrolyte composite, and coating the solid electrolyte composite on the surface of a lithium compound including nonmetallic solids such as S, Se, and Te.Type: ApplicationFiled: November 9, 2015Publication date: June 30, 2016Inventors: Hee Jin Woo, Dae Gun Jin, Hee Yeon Ryu, Yoon Ji Lee, Yong Gu Kim, Na Ry Shin, Eun Ji Kwon, Sang Jin Park