Patents by Inventor Taosheng ZHU

Taosheng ZHU 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).

  • Patent number: 11335979
    Abstract: The present disclosure provides a secondary battery which comprises a cap plate, an electrode assembly and a first protecting piece. The cap plate comprises a first electrode terminal. The electrode assembly comprises a main body and a first electrode tab. The first electrode tab is electrically connected with the first electrode terminal. The first electrode tab includes a first connecting portion and a first bending portion, the first connecting portion is electrically connected with the first electrode terminal, and the first bending portion connects the main body and the first connecting portion. The first protecting piece is fixed to a bottom of the first connecting portion. The first protecting piece includes a main portion and a first curve portion, the first curve portion is connected with the main portion and is curved relative to the main portion. The first bending portion is bent downwardly along the first curve portion.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: May 17, 2022
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Yulian Zheng, Chengyou Xing, Peng Wang, Taosheng Zhu, Fenggang Zhao
  • Patent number: 11309598
    Abstract: The present disclosure provides a heating control method and a heating control device. The heating control method includes: acquiring an average current value in a heating circuit of a power battery pack; calculating a current output value required for nth cycle according to an average current value of the nth cycle, an average current value of (n?1)th cycle, an average current value of (n?2)th cycle, a preset current value, n is equal to or greater than 3; outputting a PWM signal to a switch device of the heating circuit according to a pre-calibrated PWM control parameter corresponding to the current output value so that a difference between an actual current value in the heating circuit and the preset current value is less than a preset threshold.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: April 19, 2022
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Zhimin Dan, Wenbin Lu, Wei Zhang, Yizhen Hou, Teng Yu, Xiyang Zuo, Xingyuan Wu, Taosheng Zhu
  • Patent number: 11233244
    Abstract: The present disclosure relates to the technical field of rechargeable battery and, particularly, relates to an electrode member, an electrode assembly and a rechargeable battery. The electrode member includes an electrode body and a conduction structure, the electrode body comprises an insulation substrate and an conduction layer placed on a surface of the insulation substrate, the conduction layer includes a first portion and a second portion extending from the first portion, the first portion is coated with an active material while the second portion is not coated with the active material, and the conduction structure is connected to the second portion. After the electrode assembly is formed by winding or stacking of the electrode members, adjacent current guide portions are electrically connected to one another by the conduction structure, without being limited by the insulation substrate, so that the conductivity of the electrode member is effectively improved.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: January 25, 2022
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Chengyou Xing, Xiang Li, Taosheng Zhu, Peng Wang, Yulian Zheng
  • Patent number: 11196115
    Abstract: The present disclosure provides a cap plate and a secondary battery. The cap plate includes a main portion and a first protruding portion. The main portion includes a first exterior surface, a second exterior surface and a third exterior surface, the third exterior surface is a curved surface. The first protruding portion includes a fourth exterior surface extending downwardly from a bottom end of the third exterior surface, the fourth exterior surface is inclined inwardly relative to the third exterior surface. The secondary battery comprises the cap plate and a case. The case includes an opening; the cap plate is provided to the opening, the main portion is fixed to an inner wall of the case. The first protruding portion is received in the case, and a gap is provided between the fourth exterior surface and the inner wall, a dimension of the gap increases gradually along a downward direction.
    Type: Grant
    Filed: May 10, 2018
    Date of Patent: December 7, 2021
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Jie Zhang, Zhijun Guo, Zhiyi You, Peng Wang, Guowei Li, Taosheng Zhu
  • Patent number: 11139514
    Abstract: A battery pack heating apparatus for double vehicle heating and a control method. In the embodiments of the present application, the apparatus is portably arranged outside a vehicle, and includes: an energy storage device; a current sensor; a first diode, an input end of the first diode connected with a second end of the current sensor; a first heating interface; a first switching device connected between the second end of the current sensor and a positive electrode of the first heating interface; a second diode, an output end of the second diode connected with the second end of the current sensor; a second heating interface; a second switching device connected between the second end of the current sensor and a negative electrode of the second heating interface; and a heating control module configured to control on-off states of the first and the second switching devices.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: October 5, 2021
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Xiyang Zuo, Zhimin Dan, Yizhen Hou, Wei Zhang, Xingyuan Wu, Taosheng Zhu
  • Patent number: 11135673
    Abstract: The present disclosure relates to a welding device and a processing apparatus for a secondary battery current collector. The welding device includes: a welding head; and an anvil block. A welding station is disposed between the welding head and the anvil block. The welding device is configured to weld a foil to a portion of a composite current collector at the welding station. According to this solution, the foil can be used as a tab of the composite current collector by using the foil to connect with the composite current collector so as to output the current in the battery cell.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: October 5, 2021
    Inventors: Congmiao Wu, Zhiqiang Guo, Zuyu Wu, Jianfeng Li, Guodong Li, Taosheng Zhu
  • Publication number: 20210249707
    Abstract: A battery pack heating apparatus for double vehicle heating and a control method. In the embodiments of the present application, the apparatus is portably arranged outside a vehicle, and includes: an energy storage device; a current sensor; a first diode, an input end of the first diode connected with a second end of the current sensor; a first heating interface; a first switching device connected between the second end of the current sensor and a positive electrode of the first heating interface; a second diode, an output end of the second diode connected with the second end of the current sensor; a second heating interface; a second switching device connected between the second end of the current sensor and a negative electrode of the second heating interface; and a heating control module configured to control on-off states of the first and the second switching devices.
    Type: Application
    Filed: December 28, 2018
    Publication date: August 12, 2021
    Applicant: Contemporary Amperex Technology Co., Limited
    Inventors: Xiyang ZUO, Zhimin DAN, Yizhen HOU, Wei ZHANG, Xingyuan WU, Taosheng ZHU
  • Patent number: 11050287
    Abstract: A battery pack system includes a battery pack, a battery management module, a discharge circuit module, a charge circuit module and an energy storage module. The battery pack is connected to the discharge circuit module in series and the battery pack is connected to the charge circuit module in series. The battery management module is configured to monitor a temperature of the battery pack, and if the temperature is lower than a first temperature threshold, send a switch-on instruction to the discharge circuit module and the charge circuit module alternately at a regulation frequency. The discharge circuit module is configured to switch on according to the switch-on instruction to enable electricity of the battery pack to flow into the energy storage module. The charge circuit module is configured to switch on according to the switch-on instruction to enable electricity of the energy storage module to flow into the battery pack.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: June 29, 2021
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Wei Zhang, Zhimin Dan, Yizhen Hou, Xiyang Zuo, Wenbin Lu, Xingyuan Wu, Taosheng Zhu
  • Patent number: 11021064
    Abstract: The present disclosure provides a battery pack heating apparatus. The battery pack heating apparatus is applicable portably and externally to a vehicle and includes: an electrical energy conversion component, including an energy storage device, a first set of switches and a second set of switches; a heating interface component including a plurality of heating interfaces connected to the energy storage device via the first set of switches to form a first heating loop and connected to the energy storage device via the second set of switches to form a second heating loop, each of the plurality of heating interfaces being configured to be connected to a battery pack of one vehicle; and a heating control module configured to control a direction of electrical energy transfer between the electrical energy conversion component and the battery pack.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: June 1, 2021
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Zhimin Dan, Xiyang Zuo, Wei Zhang, Yizhen Hou, Wenbin Lu, Xingyuan Wu, Taosheng Zhu
  • Patent number: 11001165
    Abstract: The embodiments of the present disclosure provide a battery pack heating apparatus and a method of battery pack heating control. According to an embodiment of the present disclosure, a battery pack heating apparatus is provided. The battery pack heating apparatus is applicable portably and externally to a vehicle and includes: an electrical energy conversion component, including an energy storage device, a first set of switches and a second set of switches; a heating interface connected to the energy storage device via the first set of switches to form a first heating loop and connected to the energy storage device via the second set of switches to form a second heating loop, the heating interface being configured to be connected to a battery pack of one vehicle; and a heating control module configured to control a direction of electrical energy transfer between the battery pack and the energy storage device.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: May 11, 2021
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Yizhen Hou, Zhimin Dan, Wei Zhang, Xiyang Zuo, Xingyuan Wu, Taosheng Zhu
  • Patent number: 10957950
    Abstract: The present application discloses a heating module, a heating method for a battery module, and a heating system. The heating module includes: an energy storage unit, a first switch unit, a second switch unit and a control unit. The energy storage unit, a first battery unit in a battery module and the first switch unit may form a first heating loop; the energy storage unit, a second battery unit in the battery module, and the second switch unit may form a second heating loop. The control unit may control the first switch unit or the second switch unit, so as to sequentially switch on, between the first heating loop and the second heating loop, a heating loop where a battery unit with a higher state of charge is located and a heating loop where a battery unit with a lower state of charge is located.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: March 23, 2021
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Yizhen Hou, Xiyang Zuo, Zhimin Dan, Wei Zhang, Xingyuan Wu, Taosheng Zhu
  • 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
  • Publication number: 20210075073
    Abstract: The present application discloses a heating module, a heating method for a battery module, and a heating system. The heating module includes: an energy storage unit, a first switch unit, a second switch unit and a control unit. The energy storage unit, a first battery unit in a battery module and the first switch unit may form a first heating loop; the energy storage unit, a second battery unit in the battery module, and the second switch unit may form a second heating loop. The control unit may control the first switch unit or the second switch unit, so as to sequentially switch on, between the first heating loop and the second heating loop, a heating loop where a battery unit with a higher state of charge is located and a heating loop where a battery unit with a lower state of charge is located.
    Type: Application
    Filed: November 17, 2020
    Publication date: March 11, 2021
    Inventors: Yizhen Hou, Xiyang Zuo, Zhimin Dan, Wei Zhang, Xingyuan Wu, Taosheng Zhu
  • Publication number: 20210074963
    Abstract: A secondary battery including: a case including an opening; a top cover assembly including a top cover plate covering the opening and an electrode terminal, the top cover plate including an electrode lead-out hole corresponding to the electrode terminal; an electrode assembly received in the case and including a main body and a tab, the tab being bent relative to a thickness direction of the top cover plate to form a bent portion; and a current collecting wiring board disposed between the top cover plate and the main body and including a first connection portion, a second connection portion, and a transition portion, the first connection portion and the second connection portion extending along a width direction of the top cover plate and being provided opposite to each other, the first connection portion being connected with the electrode terminal, and the second connection portion being connected with the bent portion.
    Type: Application
    Filed: April 17, 2018
    Publication date: March 11, 2021
    Applicant: Contemporary Amperex Technology Co., Limited
    Inventors: Jie ZHANG, Zhijun GUO, Peng WANG, Guowei LI, Taosheng ZHU
  • Publication number: 20210075069
    Abstract: A battery pack system, a control method thereof and a management device are provided. A battery pack is connected in series with a discharge circuit unit and a charge circuit unit; a battery management unit is to monitor a temperature of the battery pack, to periodically send, when the temperature of the battery pack is lower than a threshold, a turn-on-instruction to the discharge circuit unit and the charge circuit unit alternately to control the discharge circuit unit and the charge circuit unit to be alternately turned on in heating cycles; the discharge circuit unit is to be turned on according to the turn-on-instruction to enable electricity of the battery pack to flow into the energy storage unit in discharging-phase; and the charge circuit unit is to be turned on according to the turn-on-instruction to enable electricity of the energy storage unit to flow into the battery pack in charging-phase.
    Type: Application
    Filed: November 20, 2020
    Publication date: March 11, 2021
    Applicant: Contemporary Amperex Technology Co., Limited
    Inventors: Xiyang ZUO, Zhimin DAN, Wei ZHANG, Yizhen HOU, Teng YU, Wenbin LU, Xingyuan WU, Taosheng ZHU
  • Publication number: 20210005867
    Abstract: The present disclosure provides a rechargeable battery, including an electrode assembly and a connecting member. The electrode assembly includes an electrode assembly body and an electrode tab extending from an end surface of the electrode assembly body. The connecting member includes a guiding plate, a first connecting plate and a second connecting plate respectively connected to the guiding plate. The first connecting plate, the second connecting plate and the guiding plate extend along a width direction. The electrode tab is bent with respect to a longitudinal direction to form a bending part and the bending part of the electrode tab is connected to the first connecting plate. The width direction is to a thickness direction of the rechargeable battery.
    Type: Application
    Filed: September 18, 2020
    Publication date: January 7, 2021
    Applicant: Contemporary Amperex Technology Co., Limited
    Inventors: Zhijun Guo, Jie Zhang, Peng Wang, Taosheng Zhu
  • Patent number: 10886757
    Abstract: A battery pack system, a control method thereof and a management device are provided. A battery pack is connected in series with a discharge circuit unit and a charge circuit unit; a battery management unit is to monitor a temperature of the battery pack, to periodically send, when the temperature of the battery pack is lower than a threshold, a turn-on-instruction to the discharge circuit unit and the charge circuit unit alternately to control the discharge circuit unit and the charge circuit unit to be alternately turned on in heating cycles; the discharge circuit unit is to be turned on according to the turn-on-instruction to enable electricity of the battery pack to flow into the energy storage unit in discharging-phase; and the charge circuit unit is to be turned on according to the turn-on-instruction to enable electricity of the energy storage unit to flow into the battery pack in charging-phase.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: January 5, 2021
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Xiyang Zuo, Zhimin Dan, Wei Zhang, Yizhen Hou, Teng Yu, Wenbin Lu, Xingyuan Wu, Taosheng Zhu
  • Publication number: 20200381695
    Abstract: This application provides embodiments including a connection member and a rechargeable battery. The connection member includes a guide plate and a first connecting plate integrally formed on the guide plate, where the first connecting plate is disposed in a bendable manner relative to the guide plate, and at least one indentation is present between the first connecting plate and the guide plate. In the embodiments, a bending position is more accurate when the first connecting plate is bent relative to the guide plate. This is conducive to an accurate size of the connection member being bent, and is also helpful for the rechargeable battery to successfully assemble a battery core, the connection member, and a housing.
    Type: Application
    Filed: March 27, 2018
    Publication date: December 3, 2020
    Applicant: Contemporary Amperex Technology Co., Limited
    Inventors: Chengyou XING, Yulian ZHENG, Taosheng ZHU, Peng WANG, Zhijun GUO
  • Patent number: 10847987
    Abstract: The embodiments of the present disclosure provide a heating system and a power switch device. A switch module of the heating system includes a first switch unit and a second switch unit; a control module controls that the first switch unit is switched on and the second switch unit is switched off, so that a battery pack, the first switch unit and an energy storage module form a discharge circuit, the control module controls that the first switch unit is switched off and the second switch unit is switched on, so that the energy storage module, the second switch unit and the battery pack form a charge circuit; a buffer module includes a first buffer unit and a second buffer unit.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: November 24, 2020
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Zhimin Dan, Wei Zhang, Yizhen Hou, Xiyang Zuo, Xingyuan Wu, Taosheng Zhu
  • Patent number: 10840486
    Abstract: The disclosure relates to a battery module. The battery module comprises: a first end plate, a plurality of batteries and a second end plate successively arranged in a direction, wherein the battery comprises a top cover; a connecting component, wherein the first end plate is fixedly connected to the second end plate through the connecting component; and a pulling component comprising a first connecting segment, an intermediate segment and a second connecting segment successively arranged, wherein the first connecting segment is fixedly connected to the first end plate, the intermediate segment is disposed facing the top cover, and the second connecting segment is fixedly connected to the second end plate, and wherein the pulling component can tighten the first end plate and the second end plate in an arrangement direction of the batteries to compress the batteries along with the first end plate and the second end plate.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: November 17, 2020
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Gen Cao, Jihua Yao, Taosheng Zhu