Patents by Inventor Keqiang Li
Keqiang Li 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: 20230127246Abstract: This application discloses a lithiation device for applying a lithium film on an electrode plate. The lithiation device includes: a rolling mechanism including a first roller and a second roller, the two rollers configured to roll the electrode plate and the lithium film to apply the lithium film on the electrode plate; an adjustment mechanism connected to the rolling mechanism and configured to adjust a gap and/or a rolling force between the first roller and the second roller; a first monitoring mechanism configured to monitor a length of the electrode plate after the electrode plate passes through the rolling mechanism; and a controller configured to control the adjustment mechanism based on a comparison result of the length monitored by the first monitoring mechanism and a target length so that the length of the electrode plate after the electrode plate passes through the rolling mechanism approximates to the target length.Type: ApplicationFiled: December 21, 2022Publication date: April 27, 2023Inventors: Yongqiang XU, Xinlu FEI, Bin XIE, Shitong CHEN, Keqiang LI, Tao FENG, Fenggang ZHAO
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Publication number: 20230044748Abstract: This application relates to a filtering mechanism and a device for producing a conductive material, where the filtering mechanism includes a filtering body, a cover, and a supporting member. The filtering body includes an accommodating cavity for accommodating an electroplating material and an opening provided on the filtering body; the cover is configured to cover the opening and connect to the filtering body to enclose the electroplating material in the filtering body; and the supporting member is provided on the cover to enhance connection strength between the cover and the filtering body.Type: ApplicationFiled: October 13, 2022Publication date: February 9, 2023Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Yi LU, Xiaosong LIU, Keqiang LI
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Patent number: 11541867Abstract: A power system of a vehicle includes an engine, a first motor and a second motor. A method for controlling motion of the vehicle includes: receiving a cruise speed, a speed fluctuation quantity and a preset traveling mileage of the vehicle, and obtaining an upper speed bound and a lower speed bound of the vehicle based on the cruise speed and the speed fluctuation quantity; adjusting a current speed of the vehicle to the lower speed bound, and controlling the vehicle to enter a first cruise phase of a two-phase cruise mode; and controlling the vehicle to enter a second cruise phase of the two-phase cruise mode when the current speed of the vehicle is greater than or equal to the upper speed bound and a current traveling mileage is less than the preset traveling mileage.Type: GrantFiled: July 11, 2019Date of Patent: January 3, 2023Assignee: TSINGHUA UNIVERSITYInventors: Shengbo Li, Bo Cheng, Keqiang Li, Hongbo Gao, Qingfeng Lin, Xuedong Liu, Zhitao Wang, Ziyu Lin, Jianqiang Wang, Yugong Luo, Diange Yang
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Patent number: 11136030Abstract: The present disclosure provides a method and a device for controlling a vehicle. The vehicle is in a vehicle queue, the vehicle queue includes n vehicles {vehicle 0, vehicle 1, . . . , vehicle n?1} arranged in order along a traveling direction, the method is performed by a computing device of the vehicle i, i is from 1 to n?1. A vehicle-following subsystem model is established based on the relative speed and the relative vehicle distance error between the vehicle i and a vehicle i?1, and the acceleration of the vehicle i, a state trajectory of the vehicle-following subsystem model on a ?v-?R plane is determined, a plurality of division graphs of the vehicle i?1 in a plurality of travelling phases are combined to obtain a switching control graph for the vehicle i, and the travelling phase of the vehicle i is adjusted.Type: GrantFiled: January 19, 2020Date of Patent: October 5, 2021Assignee: TSINGHUA UNIVERSITYInventors: Shengbo Li, Bo Cheng, Keqiang Li, Hongbo Gao, Xiaoxue Zhang, Renjie Li, Zhitao Wang, Hailiang Chen, Jianqiang Wang, Yugong Luo, Diange Yang
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Publication number: 20210284174Abstract: The invention discloses a method and a system for calibrating a driving risk identification model. The calibration method comprises: S1. establishing a vehicle platform by installing an information acquisition device on a test vehicle; S2. acquiring synchronized test data related to the test vehicle and driving scenarios; S3. extracting moments when the drivers start to press the accelerator pedal, start to release the accelerator pedal, start to press the brake pedal in the driving scenarios, and start to release the brake pedal, so as to define risk level values respectively corresponding to the moments; S4. obtaining a risk identification curve of the drivers in different driving scenarios, wherein the risk identification curve represents the drivers' judgment of the risk level over time; S5. using the risk identification curve to calibrate the driving risk identification model.Type: ApplicationFiled: May 14, 2018Publication date: September 16, 2021Applicant: TSINGHUA UNIVERSITYInventors: Jianqiang WANG, Heye HUANG, Xunjia ZHENG, Keqiang LI, Qing XU, Shengbo LI, Likun WANG, Ziqing GU, Jiawei WANG
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Patent number: 10954589Abstract: The present disclosure relates to a current collector production apparatus for producing a current collector. The current collector includes a current collector substrate, a conductive layer disposed on at least one surface of the current collector substrate. The current collector production apparatus includes an oven having a space where the current collector is to be heated, and a passivation ozone knife having a current collector injection port. The current collector injection port is configured to release ozone in such a manner that the ozone reacts with a surface material of the conductive layer, so as to form a passivation layer. The passivation ozone knife is disposed inside the oven. The current collector produced in the present disclosure can prevent HF in electrolyte from reacting with Al, so as to solve a problem of detachment of active material from the current collector and maintain the performance of lithium-ion battery.Type: GrantFiled: January 17, 2019Date of Patent: March 23, 2021Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Zuyu Wu, Zhen Liu, Keqiang Li, Long Zhou, Guodong Li, Taosheng Zhu
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Patent number: 10826072Abstract: The present application discloses a current collector, an electrode plate, and an electrochemical device. The current collector comprises: a support layer comprising opposite two surfaces along the thickness direction thereof; a conductive layer disposed on at least one of the two surfaces of the support layer; wherein the support layer comprises a support material selected from one or more of a polymer material and a polymer matrix composite material, and wherein the light transmittance T of the support layer is 0?T?98%. The current collector, electrode plate and electrochemical device provided by the present application have good processability.Type: GrantFiled: March 30, 2019Date of Patent: November 3, 2020Assignee: Contemporary Amperex Technology Co., LimitedInventors: Jinwei Lin, Zuyu Wu, Keqiang Li, Congmiao Wu, Taosheng Zhu
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Patent number: 10807992Abstract: The present invention relates to single enantiomer isothiazoline compounds of formula (I): and methods of synthesizing the compounds. The compounds are useful for combating or controlling invertebrate pests, in particular arthropod pests and nematodes. The invention also relates to a method for controlling invertebrate pests by using these compounds and to veterinary compositions comprising said compounds.Type: GrantFiled: November 15, 2018Date of Patent: October 20, 2020Assignee: Avista Pharma Solutions, Inc.Inventors: Jason D. Speake, Bakela Nare, Joe B. Perales, Keqiang Li, Cisco Bee, Jeffrey A. Adams, Kurt S. Van Horn, Brian H. Heasley
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Publication number: 20200180624Abstract: The present disclosure provides a method and a device for controlling a vehicle. The vehicle is in a vehicle queue, the vehicle queue includes n vehicles {vehicle 0, vehicle 1, . . . , vehicle n?1} arranged in order along a traveling direction, the method is performed by a computing device of the vehicle i, i is from 1 to n?1. A vehicle-following subsystem model is established based on the relative speed and the relative vehicle distance error between the vehicle i and a vehicle i?1, and the acceleration of the vehicle i, a state trajectory of the vehicle-following subsystem model on a ?v-?R plane is determined, a plurality of division graphs of the vehicle i?1 in a plurality of travelling phases are combined to obtain a switching control graph for the vehicle i, and the travelling phase of the vehicle i is adjusted.Type: ApplicationFiled: January 19, 2020Publication date: June 11, 2020Inventors: Shengbo LI, Bo CHENG, Keqiang LI, Hongbo GAO, Xiaoxue ZHANG, Renjie LI, Zhitao WANG, Hailiang CHEN, Jianqiang WANG, Yugong LUO, Diange YANG
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Publication number: 20200091520Abstract: The present application discloses a current collector, an electrode plate, and an electrochemical device. The current collector comprises: a support layer comprising opposite two surfaces along the thickness direction thereof; a conductive layer disposed on at least one of the two surfaces of the support layer; wherein the support layer comprises a support material selected from one or more of a polymer material and a polymer matrix composite material, and wherein the light transmittance T of the support layer is 0?T?98%. The current collector, electrode plate and electrochemical device provided by the present application have good processability.Type: ApplicationFiled: March 30, 2019Publication date: March 19, 2020Applicant: Contemporary Amperex Technology Co., LimitedInventors: Jinwei LIN, Zuyu WU, Keqiang LI, Congmiao WU, Taosheng ZHU
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Patent number: 10556909Abstract: The present disclosure describes a synthetic process and novel intermediates related to spirocyclic azetidenyl-isobenzofuran derivatives having an isothiazoline moiety, which are useful as antiparasitics.Type: GrantFiled: May 17, 2017Date of Patent: February 11, 2020Assignee: Avista Pharma Solutions, Inc.Inventors: Jason D. Speake, Bharathi Pandi, Cyprian O. Ogbu, Jeffrey A. Adams, Joseph A. Moore, III, Joe B. Perales, Keqiang Li
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Publication number: 20190329757Abstract: The present disclosure provides a method and a device for controlling a motion of a vehicle, and a vehicle. A power system of the vehicle includes an engine, a first motor and a second motor, the method includes: receiving a cruise speed, a speed fluctuation quantity and a preset traveling mileage of the vehicle, and obtaining an upper speed bound and a lower speed bound of the vehicle based on the cruise speed and the speed fluctuation quantity; adjusting a current speed of the vehicle to the lower speed bound, and controlling the vehicle to enter a first cruise phase of a two-phase cruise mode; and controlling the vehicle to enter a second cruise phase of the two-phase cruise mode when the current speed of the vehicle is greater than or equal to the upper speed bound and a current traveling mileage is less than the preset traveling mileage.Type: ApplicationFiled: July 11, 2019Publication date: October 31, 2019Inventors: Shengbo LI, Bo CHENG, Keqiang LI, Hongbo GAO, Qingfeng LIN, Xuedong LIU, Zhitao WANG, Ziyu LIN, Jianqiang WANG, Yugong LUO, Diange YANG
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Publication number: 20190283172Abstract: The present disclosure relates to a processing apparatus for a secondary battery current collector. The processing apparatus includes: a foil uncoiling roller; a composite current collector uncoiling roller; a welding device; a plurality of driving rollers; and a coiling roller. Both the foil uncoiling roller and the composite current collector uncoiling roller are disposed on a feeding side of the welding device. The welding device is configured to weld foil to a portion of a composite current collector. The plurality of driving rollers is respectively disposed on a feeding side and a discharging side of the welding device, and has an equal line speed. The plurality of driving rollers is configured to drive the overlapped foil and the composite current collector to downstream. The coiling roller is configured to wind up the composite current collector having the foil welded thereon.Type: ApplicationFiled: February 26, 2019Publication date: September 19, 2019Inventors: Congmiao WU, Jinwei LIN, Long ZHOU, Xichong ZHANG, Keqiang LI, Zuyu WU
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Publication number: 20190284199Abstract: The present disclosure describes a synthetic process and novel intermediates related to spirocyclic azetidenyl-isobenzofuran derivatives having an isothiazoline moiety, which are useful as antiparasitics.Type: ApplicationFiled: May 17, 2017Publication date: September 19, 2019Inventors: Jason D Speake, Bharathi Pandi, Cyprian O. Ogbu, Jeffrey A. Adams, Joseph A. Moore, III, Joe B. Perales, Keqiang Li
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Patent number: 10403878Abstract: The present invention provides a method and a system for supplying lithium to an electrode plate. The method includes: compositing a first substrate and a first lithium strip to form a first composite lithium strip, and forming an obstruction using a second substrate between the first lithium strip and a compositing device, compositing the first composite lithium strip and an electrode plate to be supplied with lithium to form a lithium supplied composite electrode plate, during the compositing process, the first substrate in the first composite lithium strip is located at a side away from the electrode plate to be supplied with lithium, peeling and reeling the first substrate from the lithium supplied composite electrode plate, to form a lithium supplied electrode plate.Type: GrantFiled: September 2, 2016Date of Patent: September 3, 2019Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Keqiang Li, Zuyu Wu, Wutang Zhang
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Publication number: 20190218654Abstract: The present disclosure relates to a current collector production apparatus for producing a current collector. The current collector includes a current collector substrate, a conductive layer disposed on at least one surface of the current collector substrate. The current collector production apparatus includes an oven having a space where the current collector is to be heated, and a passivation ozone knife having a current collector injection port. The current collector injection port is configured to release ozone in such a manner that the ozone reacts with a surface material of the conductive layer, so as to form a passivation layer. The passivation ozone knife is disposed inside the oven. The current collector produced in the present disclosure can prevent HF in electrolyte from reacting with Al, so as to solve a problem of detachment of active material from the current collector and maintain the performance of lithium-ion battery.Type: ApplicationFiled: January 17, 2019Publication date: July 18, 2019Inventors: Zuyu Wu, Zhen Liu, Keqiang LI, Long Zhou, Guodong Li, Taosheng Zhu
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Publication number: 20190152983Abstract: The present invention relates to single enantiomer isothiazoline compounds of formula (I) and methods of synthesizing the compounds. The compounds are useful for combating or controlling invertebrate pests, in particular arthropod pests and nematodes. The invention also relates to a method for controlling invertebrate pests by using these compounds and to veterinary compositions comprising said compounds.Type: ApplicationFiled: November 15, 2018Publication date: May 23, 2019Inventors: Jason D. Speake, Bakela Nare, Joe B. Perales, Keqiang Li, Cisco Bee, Jeffrey A. Adams, Kurt S. Van Horn, Brian H. Heasley
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Publication number: 20170200937Abstract: The present invention provides a method and a system for supplying lithium to an electrode plate. The method includes: compositing a first substrate and a first lithium strip to form a first composite lithium strip, and forming an obstruction using a second substrate between the first lithium strip and a composting device, compositing the first composite lithium strip and an electrode plate to be supplied with lithium to form a lithium supplied composite electrode plate, during the compositing process, the first substrate in the first composite lithium strip is located at a side away from the electrode plate to be supplied with lithium, peeling and reeling the first substrate from the lithium supplied composite electrode plate, to form a lithium supplied electrode plate.Type: ApplicationFiled: September 2, 2016Publication date: July 13, 2017Inventors: Keqiang LI, Zuyu WU, Wutang ZHANG
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Patent number: 9090671Abstract: Disclosed are cyclosporine derivatives in which the 3-Sarcosine carbon and 5-Valine nitrogen are each substituted by a non-hydrogen substituent, and their use as pharmaceuticals, in particular for the treatment of hepatitis C virus.Type: GrantFiled: June 5, 2009Date of Patent: July 28, 2015Assignee: Scynexis, Inc.Inventors: Keqiang Li, Ahmed Mamai, Michael Robert Peel
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Publication number: 20140213508Abstract: Cyclosporin derivatives, methods of manufacturing the cyclosporin derivatives and methods for treating subjects infected with certain viruses, including hepatitis virus or HIV by administering the cyclosporin derivatives are described.Type: ApplicationFiled: October 21, 2013Publication date: July 31, 2014Applicant: Scynexis, Inc.Inventors: Keqiang Li, Michael Robert PEEL