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: 20240185538
    Abstract: The embodiments provide a method of augmenting environmental scenes and an autonomous vehicle testing system.
    Type: Application
    Filed: February 14, 2023
    Publication date: June 6, 2024
    Inventors: Shaobing XU, Shangyi LI, Shuocheng YANG, Jianqiang WANG, Shengbo LI, Bo CHENG, Keqiang LI
  • Patent number: 11984028
    Abstract: The application provides a method, device, electronic device for vehicle cooperative decision-making as well as a computer storage medium. The method for vehicle cooperative decision-making applied at a cloud server includes: receiving a cooperative decision request sent by a roadside device, wherein the cooperative decision request is a request sent by the roadside device after it is recognized that a road is congested based on acquired real-time road information; acquiring information of a road scene included in the cooperative decision request; determining a congestion scene type based on the information of the road scene; calculating multi-vehicle oriented decision planning schemes using a preset scene cooperative decision model based on the congestion scene type; and sending the decision planning schemes to respective vehicles, so that the vehicles perform respective driving operations according to the decision planning schemes.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: May 14, 2024
    Assignees: China Intelligent and Connected Vehicles (Beijing) Research Institute Co., Ltd, Tsinghua University
    Inventors: Keqiang Li, Wenbo Chu, Qiuchi Xiong, Qiqige Wuniri, Guanfu Huang, Xiaoping Du
  • Patent number: 11978910
    Abstract: Provided are an electrode assembly, a battery cell, a battery, and an electrical device. The electrode assembly includes first electrode plates and a second electrode plate that are of opposite polarities. The second electrode plate and two first electrode plates are stacked and wound to form the electrode assembly. The second electrode plate is located between the two first electrode plates. Each of the first electrode plates includes a first composite current collector and a first active material layer. The first active material layer is disposed on a surface that is of the first composite current collector and that is oriented back from the second electrode plate. The first composite current collector is configured to dielectrically isolate the first active material layer from the second electrode plate and allow passage of ions transmitted between the first active material layer and the second electrode plate.
    Type: Grant
    Filed: September 21, 2023
    Date of Patent: May 7, 2024
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Changsheng He, Mingjian Liu, Keqiang Li, Xiaosong Liu, Bin Xie, Zhiyang Wu
  • Publication number: 20240105907
    Abstract: A prelithiation device and a prelithiation method, are described. The prelithiation device comprises a first roller, a second roller, a third roller, and a first coating mechanism. The second roller is used to cooperate with the first roller to jointly roll a lithium ribbon to adhere the lithium ribbon to the second roller, the lithium ribbon comprising two first surfaces opposite each other in an axial direction of the second roller; the third roller is used to cooperate with the second roller to jointly roll an electrode plate to bond the lithium ribbon adhering to the second roller to the electrode plate; and the first coating mechanism is disposed upstream of the second roller and is configured to coat the first surfaces with a release agent.
    Type: Application
    Filed: December 6, 2023
    Publication date: March 28, 2024
    Applicant: CONTEMPORARY AMEREX TECHNOLOGY CO. LIMITED
    Inventors: Shitong CHEN, Xinlu FEI, Bin XIE, Yongqiang XU, Keqiang LI, Fenggang ZHAO
  • Publication number: 20240088362
    Abstract: An electrode plate, an electrode assembly, and a secondary battery are provided. The electrode plate includes a current collector, an active material layer arranged on one surface of the current collector, and an electrical connection member electrically connected to the current collector. The active material layer is arranged on a main body portion of the current collector, the electrical connection member and the current collector are connected to each other by welding at an edge of the current collector, the welding connection region is referred to as a transfer welding region, and the current collector includes a support layer and an electrically conductive layer arranged on one surface of the support layer. The electrode plate further includes a first insulation layer arranged on a further surface of the current collector and covering at least the entirety of the transfer welding region when viewed in a thickness direction of the electrode plate.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 14, 2024
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Zhiyang WU, Changsheng HE, Keqiang LI, Xiaosong LIU
  • Patent number: 11912286
    Abstract: A method for calibrating a driving risk identification model includes: 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: Grant
    Filed: May 14, 2018
    Date of Patent: February 27, 2024
    Assignee: TSINGHUA UNIVERSITY
    Inventors: Jianqiang Wang, Heye Huang, Xunjia Zheng, Keqiang Li, Qing Xu, Shengbo Li, Likun Wang, Ziqing Gu, Jiawei Wang
  • Publication number: 20240021839
    Abstract: Provided are an electrode assembly, a battery cell, a battery, and an electrical device. The electrode assembly includes first electrode plates and a second electrode plate that are of opposite polarities. The second electrode plate and two first electrode plates are stacked and wound to form the electrode assembly. The second electrode plate is located between the two first electrode plates. Each of the first electrode plates includes a first composite current collector and a first active material layer. The first active material layer is disposed on a surface that is of the first composite current collector and that is oriented back from the second electrode plate. The first composite current collector is configured to dielectrically isolate the first active material layer from the second electrode plate and allow passage of ions transmitted between the first active material layer and the second electrode plate.
    Type: Application
    Filed: September 21, 2023
    Publication date: January 18, 2024
    Inventors: Changsheng He, Mingjian Liu, Keqiang Li, Xiaosong Liu, Bin Xie, Zhiyang Wu
  • Publication number: 20240001426
    Abstract: A feeding device may include a first linear driving structure, a second linear driving structure, a delivery structure, and an adjusting structure, where the first linear driving structure may include a first output end configured to reciprocate in a first direction; the second linear driving structure may include a second output end configured to reciprocate in a second direction; one end of the delivery structure may be rotatably connected to the first output end around a first axis, the first axis being perpendicular to the first direction; and the adjusting structure may be configured to connect the other end of the delivery structure to the second output end, such that the delivery structure can be driven by the second output end to rotate around the first axis.
    Type: Application
    Filed: July 27, 2023
    Publication date: January 4, 2024
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Liangzhen DAI, Zhi XIE, Keqiang LI, Jun HU, Dajun NI, Zhihua WEN
  • Publication number: 20230411670
    Abstract: The present application provides a pole piece forming apparatus, which may include an incoming structure, a slitter, a plurality of winders and a wrinkle remover. The incoming structure may provide a master pole piece. The slitter may slit the master pole piece into a plurality of pole pieces. The winders may pull the transport of the pole pieces, respective winding devices may wind one corresponding pole piece, and the slitter may be disposed between the incoming structure and the winders. The wrinkle remover may be arranged between the slitter and the winders. The wrinkle remover may include a first roller and a second roller that may be provided opposite to each other, the first roller may include a first rolling part, and the first rolling part and the second roller may be used for rolling an edge of a slitting edge of the pole piece.
    Type: Application
    Filed: August 29, 2023
    Publication date: December 21, 2023
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Bin XIE, Shitong CHEN, Yi LU, Yuanyuan SHEN, Keqiang LI, Fenggang ZHAO
  • Publication number: 20230369634
    Abstract: Provided are a roller assembly, a battery cell manufacturing device, and an adjustment method of a roller, which relates to the field of battery manufacturing technology. The roller assembly includes a holder, a roller, and a first adjusting member. The roller is rotatably mounted on the holder. The first adjusting member is rotatably mounted on the holder, and one end of the roller is rotatably connected to the first adjusting member. A rotation axis of the roller does not coincide with a rotation axis of the first adjusting member. One end of the roller is rotatably mounted on the holder through the first adjusting member. The rotation axis of the first adjusting member does not coincide with the rotation axis of the roller, and therefore, rotation of the first adjusting member is capable of driving a corresponding end of the roller to rotate, thereby adjusting an extension direction of the roller.
    Type: Application
    Filed: July 28, 2023
    Publication date: November 16, 2023
    Inventors: Yongli Zhang, Jun Hu, Gang Zeng, Keqiang Li, Ruhu Liao, Zhihua Wen
  • Patent number: 11813764
    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: Grant
    Filed: October 18, 2022
    Date of Patent: November 14, 2023
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Yitai Guo, Zhihua Wen, Keqiang Li, Cong Zhang, Yunru Shi, Jun Hu
  • Publication number: 20230356964
    Abstract: A disposal system for battery includes: a moving mechanism; an accommodating mechanism, including a first side and a second side that are opposite each other along a length direction of the accommodating mechanism; a plurality of immersion mechanisms, arranged in sequence along the length direction of the accommodating mechanism, the plurality of immersion mechanisms are movably connected to the accommodating mechanism, and the immersion mechanism accommodates an immersion liquid; and a transfer mechanism, arranged opposite the first side of the accommodating mechanism and configured to transfer waste of a battery to the immersion mechanisms. The accommodating mechanism is provided in plurality, and the plurality of accommodating mechanisms are arranged along a width direction of the accommodating mechanism. In adjacent two of the accommodating mechanisms, the second side of one of the accommodating mechanisms is opposite the first side of another one of the accommodating mechanisms.
    Type: Application
    Filed: July 21, 2023
    Publication date: November 9, 2023
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Yi LU, Tao FENG, Xinlu FEI, Bin XIE, Keqiang LI, Fenggang ZHAO
  • Publication number: 20230352648
    Abstract: A prelithiation device may comprise: a bonding structure comprising a first roller, a second roller and a third roller, which may be sequentially disposed adjacent to each other, the first roller and the second roller being used to roll the lithium ribbon, the rolled lithium ribbon adhering to the second roller, and the second roller and the third roller being used to bond the lithium ribbon adhering to the second roller to the substrate, the lithium ribbon comprising two first surfaces opposite each other in a width direction of the lithium ribbon and a second surface facing the second roller; and a coater disposed upstream of the bonding structure in a running direction of the lithium ribbon and configured to simultaneously coat the second surface and at least one of the first surfaces with a release agent.
    Type: Application
    Filed: July 11, 2023
    Publication date: November 2, 2023
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Xinlu FEI, Bin XIE, Fenggang ZHAO, Shitong CHEN, Yongqiang XU, Tao FENG, Keqiang LI
  • Publication number: 20230325550
    Abstract: A method for determining test evaluation information includes: building a hardware-in-the-loop test environment, wherein the hardware-in-the-loop test environment comprises a cloud control platform under test, a road traffic scenario simulation platform, and a real-time simulator, and wherein the road traffic scenario simulation platform is configured to build a variety of road traffic scenarios, the real-time simulator is configured to realize communication between the cloud control platform under test and respective interface boards; determining a test scenario according to a function to be realized by the cloud control platform under test; performing a test operation on the cloud control platform under test based on the hardware-in-the-loop test environment and the test scenario, and collecting functional parameters of the cloud control platform under test; and determining test evaluation information of the cloud control platform under test based on the functional parameters.
    Type: Application
    Filed: May 27, 2021
    Publication date: October 12, 2023
    Inventors: Wenbo CHU, Keqiang LI, Shuang WAN, Dalong FANG, Guanfu HUANG, Xiaoping DU
  • Publication number: 20230271278
    Abstract: A welding device may include a frame, a welding assembly, a fastening bracket, a protective pressure plate, a first drive mechanism, and a second drive mechanism; the welding assembly may include a first welding head and a second welding head that are arranged opposite each other, and the first welding head may be fastened on the frame; the fastening bracket may be movably provided on the frame, and the second welding head may be fastened on the fastening bracket; the protective pressure plate may be fastened on the fastening bracket or the second welding head; and the first drive mechanism may be drivingly connected to the fastening bracket and configured to drive the fastening bracket so that the second welding head may reach a position of a welding point and the protective pressure plate may press against a to-be-welded member.
    Type: Application
    Filed: February 23, 2023
    Publication date: August 31, 2023
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Yongli ZHANG, Zhihua WEN, Keqiang LI, Yitai GUO, Cong ZHANG, Yunru SHI
  • Publication number: 20230256969
    Abstract: The present application provides a method and device for merging a vehicle from a branch road into a main road, an electronic device, and a storage medium, which relates to a technical field of unmanned driving. The method for merging the vehicle from the branch road into the main road includes: acquiring vehicle information of the vehicle to be merged from the branch road into the main road; acquiring traffic flow information of an outer lane of the main road within a preset range of a junction; controlling the vehicle to be merged into the main road to merge into the main road according to the preset rules based on the traffic flow information of the outer lane of the main road and the vehicle information of the vehicle to be merged into the main road.
    Type: Application
    Filed: May 27, 2021
    Publication date: August 17, 2023
    Inventors: Keqiang LI, Wenbo CHU, Qiuchi XIONG, Qiqige WUNIRI, Guanfu HUANG, Dalong FANG, Xiaoping DU
  • Publication number: 20230252891
    Abstract: The present application discloses an edge cloud system, a server, and a cloud control platform. The edge cloud system includes: an edge cloud access gateway module configured to access data of the road side terminal, the vehicle terminal, the third party platform and the regional cloud; a standardized hierarchical sharing interface module connected to the edge cloud access gateway module, wherein the standardized hierarchical sharing interface module is configured to standardize and classify the data of the road side terminal, the vehicle terminal, the third party platform and the regional cloud accessed by the edge cloud access gateway module to form multiple levels of standardized data; wherein standardized data at each level of the multiple levels of standardized data is available to be called only by a module with corresponding level of that of the standardized data.
    Type: Application
    Filed: May 27, 2021
    Publication date: August 10, 2023
    Inventors: Wenbo CHU, Keqiang LI, Xiaoping DU, Qiqige WUNIRI, Bin LIU, Dongxin LV
  • Publication number: 20230252895
    Abstract: The application provides a method, device, electronic device for vehicle cooperative decision-making as well as a computer storage medium. The method for vehicle cooperative decision-making applied at a cloud server includes: receiving a cooperative decision request sent by a roadside device, wherein the cooperative decision request is a request sent by the roadside device after it is recognized that a road is congested based on acquired real-time road information; acquiring information of a road scene included in the cooperative decision request; determining a congestion scene type based on the information of the road scene; calculating multi-vehicle oriented decision planning schemes using a preset scene cooperative decision model based on the congestion scene type; and sending the decision planning schemes to respective vehicles, so that the vehicles perform respective driving operations according to the decision planning schemes.
    Type: Application
    Filed: May 27, 2021
    Publication date: August 10, 2023
    Inventors: Keqiang LI, Wenbo CHU, Qiuchi XIONG, Qiqige WUNIRI, Guanfu HUANG, Xiaoping DU
  • Publication number: 20230241794
    Abstract: A blade driving apparatus configured to drive a blade of a cutting device to cut a web and includes an anvil and a slide assembly. The slide assembly includes a slide rail and a slide block that are slidably connected to each other. The slide block is connected to the anvil, and the slide block and the anvil move back and forth relative to the slide rail along a travel direction of the web. At least one of the slide rail or the slide block is made of a non-metallic material.
    Type: Application
    Filed: September 8, 2022
    Publication date: August 3, 2023
    Inventors: Yitai GUO, Zhihua WEN, Keqiang LI, Yunru SHI, Cong ZHANG, Jianlei WANG
  • 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