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).

  • Publication number: 20230241795
    Abstract: This application relates to a fixed blade monitoring structure and a cutting device used for lithium battery manufacturing. The fixed blade monitoring structure includes: an anvil, fixed blade die set, and a fixed blade monitoring assembly. A sliding sleeve is disposed on the anvil. The fixed blade die set includes a fixed blade holder and a fixed blade mounted on the fixed blade holder. An end of the fixed blade holder is slidably mounted in the sliding sleeve. The fixed blade monitoring assembly is mounted in the sliding sleeve and connected to the fixed blade holder, and configured to render status of the fixed blade by monitoring a relative force received by the fixed blade holder. Through the above structure, manpower and time consumption in the tuning process is reduced. The status monitoring of a first cutter and a second cutter can be implemented during the cutting.
    Type: Application
    Filed: October 18, 2022
    Publication date: August 3, 2023
    Inventors: Yitai GUO, Zhihua Wen, Keqiang LI, Cong Zhang, Yunru Shi, Jun Hu
  • Publication number: 20230187655
    Abstract: A composite current collector includes a support layer and a conductive layer. The support layer has two surfaces opposite to each other along a thickness direction. The conductive layer is provided on the two surfaces and includes a first portion and a second portion. The first portion includes a first sub-portion and a second sub-portion provided on the two surfaces, respectively. The second portion includes a third sub-portion and a fourth sub-portion. The third sub-portion and the first sub-portion are integrally provided. The fourth sub-portion and the second sub-portion are integrally provided. The third sub-portion and the fourth sub-portion both project from the support layer. The third sub-portion and the fourth sub-portion are affixed to each other and fused as a whole.
    Type: Application
    Filed: December 21, 2022
    Publication date: June 15, 2023
    Inventors: Mingling LI, Jia PENG, Xin LIU, Qisen HUANG, Keqiang LI, Cheng LI, Xianghui LIU
  • Publication number: 20230127246
    Abstract: 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: Application
    Filed: December 21, 2022
    Publication date: April 27, 2023
    Inventors: Yongqiang XU, Xinlu FEI, Bin XIE, Shitong CHEN, Keqiang LI, Tao FENG, Fenggang ZHAO
  • Publication number: 20230044748
    Abstract: 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: Application
    Filed: October 13, 2022
    Publication date: February 9, 2023
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Yi LU, Xiaosong LIU, Keqiang LI
  • Patent number: 11541867
    Abstract: 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: Grant
    Filed: July 11, 2019
    Date of Patent: January 3, 2023
    Assignee: TSINGHUA UNIVERSITY
    Inventors: Shengbo Li, Bo Cheng, Keqiang Li, Hongbo Gao, Qingfeng Lin, Xuedong Liu, Zhitao Wang, Ziyu Lin, Jianqiang Wang, Yugong Luo, Diange Yang
  • Patent number: 11136030
    Abstract: 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: Grant
    Filed: January 19, 2020
    Date of Patent: October 5, 2021
    Assignee: TSINGHUA UNIVERSITY
    Inventors: Shengbo Li, Bo Cheng, Keqiang Li, Hongbo Gao, Xiaoxue Zhang, Renjie Li, Zhitao Wang, Hailiang Chen, Jianqiang Wang, Yugong Luo, Diange Yang
  • Publication number: 20210284174
    Abstract: 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: Application
    Filed: May 14, 2018
    Publication date: September 16, 2021
    Applicant: TSINGHUA UNIVERSITY
    Inventors: Jianqiang WANG, Heye HUANG, Xunjia ZHENG, Keqiang LI, Qing XU, Shengbo LI, Likun WANG, Ziqing GU, Jiawei WANG
  • Patent number: 10954589
    Abstract: 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: Grant
    Filed: January 17, 2019
    Date of Patent: March 23, 2021
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Zuyu Wu, Zhen Liu, Keqiang Li, Long Zhou, Guodong Li, Taosheng Zhu
  • Patent number: 10826072
    Abstract: 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: Grant
    Filed: March 30, 2019
    Date of Patent: November 3, 2020
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Jinwei Lin, Zuyu Wu, Keqiang Li, Congmiao Wu, Taosheng Zhu
  • Patent number: 10807992
    Abstract: 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: Grant
    Filed: November 15, 2018
    Date of Patent: October 20, 2020
    Assignee: 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
  • Publication number: 20200180624
    Abstract: 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: Application
    Filed: January 19, 2020
    Publication date: June 11, 2020
    Inventors: Shengbo LI, Bo CHENG, Keqiang LI, Hongbo GAO, Xiaoxue ZHANG, Renjie LI, Zhitao WANG, Hailiang CHEN, Jianqiang WANG, Yugong LUO, Diange YANG
  • Publication number: 20200091520
    Abstract: 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: Application
    Filed: March 30, 2019
    Publication date: March 19, 2020
    Applicant: Contemporary Amperex Technology Co., Limited
    Inventors: Jinwei LIN, Zuyu WU, Keqiang LI, Congmiao WU, Taosheng ZHU
  • Patent number: 10556909
    Abstract: 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: Grant
    Filed: May 17, 2017
    Date of Patent: February 11, 2020
    Assignee: 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
  • Publication number: 20190329757
    Abstract: 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: Application
    Filed: July 11, 2019
    Publication date: October 31, 2019
    Inventors: Shengbo LI, Bo CHENG, Keqiang LI, Hongbo GAO, Qingfeng LIN, Xuedong LIU, Zhitao WANG, Ziyu LIN, Jianqiang WANG, Yugong LUO, Diange YANG
  • Publication number: 20190284199
    Abstract: 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: Application
    Filed: May 17, 2017
    Publication date: September 19, 2019
    Inventors: Jason D Speake, Bharathi Pandi, Cyprian O. Ogbu, Jeffrey A. Adams, Joseph A. Moore, III, Joe B. Perales, Keqiang Li
  • Publication number: 20190283172
    Abstract: 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: Application
    Filed: February 26, 2019
    Publication date: September 19, 2019
    Inventors: Congmiao WU, Jinwei LIN, Long ZHOU, Xichong ZHANG, Keqiang LI, Zuyu WU
  • Patent number: 10403878
    Abstract: 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: Grant
    Filed: September 2, 2016
    Date of Patent: September 3, 2019
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Keqiang Li, Zuyu Wu, Wutang Zhang
  • Publication number: 20190218654
    Abstract: 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: Application
    Filed: January 17, 2019
    Publication date: July 18, 2019
    Inventors: Zuyu Wu, Zhen Liu, Keqiang LI, Long Zhou, Guodong Li, Taosheng Zhu
  • Publication number: 20190152983
    Abstract: 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: Application
    Filed: November 15, 2018
    Publication date: May 23, 2019
    Inventors: Jason D. Speake, Bakela Nare, Joe B. Perales, Keqiang Li, Cisco Bee, Jeffrey A. Adams, Kurt S. Van Horn, Brian H. Heasley
  • Publication number: 20170200937
    Abstract: 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: Application
    Filed: September 2, 2016
    Publication date: July 13, 2017
    Inventors: Keqiang LI, Zuyu WU, Wutang ZHANG