Patents by Inventor Zhiyang Wu

Zhiyang Wu 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: 20250026502
    Abstract: Disclosed is a Z-shaped layout fixed-length double-rope grouped closed force system capturing and recycling net system. The system includes a capturing and intercepting assembly which includes a rope group a, a rope group b, a rope group c, and a rope group d that are each wound with two movable wheel groups oppositely arranged, the rope group a between the two movable wheel groups is an intercepting section a, the rope group b between the two movable wheel groups is an intercepting section b, the rope group c between the two movable wheel groups is an intercepting section c, and the rope group d between the two movable wheel groups is an intercepting section d. The disclosure can effectively decrease the lengths of the rope group a1, the rope group b2, the rope group c3 and the rope group d4 and the force and work of traction devices.
    Type: Application
    Filed: February 29, 2024
    Publication date: January 23, 2025
    Inventors: Zhihui Lu, Guangfei You, Kailiang Ou, Jiantao Niu, Guoliang Zheng, Zhiyang Sun, Leile Zhang, Yiyong Wu, Yongqiang Qiao, Qianli Ma, Chao Li
  • Patent number: 12199307
    Abstract: The present application relates to a secondary battery, a battery module and an apparatus. The secondary battery includes an electrode assembly and a casing. The electrode assembly includes a main body portion and a tab portion, the tab portion extending out from the main body portion along an end of the main body portion and including an outer peripheral surface. The casing includes an accommodating hole for accommodating the electrode assembly. The casing includes a limiting protrusion. The outer peripheral surface extends around an axis of the accommodating hole. The limiting protrusion protrudes toward the tab portion and presses against the outer peripheral surface of the tab portion. The limiting protrusion is adapted to limit a position of the tab portion. The secondary battery provided by the present application can reduce the possibility of fatigue fracture of the adapting piece.
    Type: Grant
    Filed: April 2, 2022
    Date of Patent: January 14, 2025
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Qinglin Bai, Zhiyang Wu, Shan Gao, Chunyang Peng, Lingyan Jiang
  • Patent number: 12160017
    Abstract: The present application relates to a secondary battery, a battery module and an apparatus. The secondary battery includes an electrode assembly and a casing. The electrode assembly includes a main body portion and a tab portion, the tab portion extending out from the main body portion along an end of the main body portion and including an outer peripheral surface. The casing includes an accommodating hole for accommodating the electrode assembly. The casing includes a limiting protrusion. The outer peripheral surface extends around an axis of the accommodating hole. The limiting protrusion protrudes toward the tab portion and presses against the outer peripheral surface of the tab portion. The limiting protrusion is adapted to limit a position of the tab portion. The secondary battery provided by the present application can reduce the possibility of fatigue fracture of the adapting piece.
    Type: Grant
    Filed: April 2, 2022
    Date of Patent: December 3, 2024
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Qinglin Bai, Zhiyang Wu, Shan Gao, Chunyang Peng, Lingyan Jiang
  • Publication number: 20240390936
    Abstract: A feeding apparatus and a substrate processing device are provided. The feeding apparatus includes: a material conveying channel including a feeding inlet and a discharging outlet, where the feeding inlet is closer to a first end of the material conveying channel than the discharging outlet, and the discharging outlet is closer to a second end of the material conveying channel than the feeding inlet, the first end and the second end being two opposite ends of the material conveying channel; and a vibration generator disposed at the material conveying channel and configured to generate mechanical vibration to induce the mechanical vibration of the feeding apparatus, and a material entering the material conveying channel through the feeding inlet is conveyed to the discharging outlet under the action of the mechanical vibration and falls out through the discharging outlet under the action of gravity.
    Type: Application
    Filed: August 6, 2024
    Publication date: November 28, 2024
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Yongqiang XU, Junna SHI, Yu CHEN, Keqiang LI, Zhiyang WU, Weifeng CHEN, Jiabao TANG
  • Publication number: 20240356044
    Abstract: The present application provides a composite current collector, including: an organic support layer having an air permeability greater than or equal to 50 s/100 mL; and an electrically conductive layer arranged on one surface of the organic support layer. In this way, the organic support layer can also be used as a separator, thereby increasing the volumetric energy density of a secondary battery using the composite current collector.
    Type: Application
    Filed: December 11, 2023
    Publication date: October 24, 2024
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Zhiyang WU, Mingjian LIU, Keqiang LI, Bin XIE
  • Publication number: 20240327972
    Abstract: Provided are a coating apparatus that can form a high-accuracy pattern coating on a base film, thereby improving the performance of components including the base film (such as current collectors). The coating apparatus includes: a coating-resistance pattern unit configured to form a pattern composed of a coating-resistance substance on a partial area of the surface of a base film, where the coating-resistance substance is used to restrict metal vapor from forming a coating; and a coating unit configured to apply the metal vapor to the base film with the pattern, so as to form a metal coating on the area of the surface of the base film where the coating-resistance substance is not provided.
    Type: Application
    Filed: June 6, 2024
    Publication date: October 3, 2024
    Inventors: Keqiang Li, Xiaosong Liu, Zhiyang Wu, Yi Lu
  • Publication number: 20240309515
    Abstract: Provided an etching device that is capable of effectively realizing an opening structure with low cost and simplified process. The etching device includes: a porous roller, the porous roller being a hollow structure with openings at both ends, an etching liquid being accommodated in the hollow structure, and the porous roller being provided with a plurality of openings; a pressing roller, attached to the porous roller and arranged above the liquid level of the etching liquid, for pressing and attaching a metal layer to be etched onto the surface of the porous roller; wherein during rotation of the porous roller, the etching liquid passes through at least part of the openings of the plurality of openings and continuously soaks the metal layer in contact with the at least part of the openings, so as to continuously etch the metal layer in contact with the at least part of the openings.
    Type: Application
    Filed: May 29, 2024
    Publication date: September 19, 2024
    Inventors: Keqiang Li, Xiaosong Liu, Zhiyang Wu, Yi Lu
  • Publication number: 20240282975
    Abstract: A device for preparing a current collector assembly includes: a first feeding apparatus configured to provide a transfer film, the transfer film having a base layer and a metal layer formed thereon; a second feeding apparatus configured to provide a bottom film, the bottom film having a first surface and a second surface opposite to the first surface; a coating apparatus configured to applying an adhesive on the first surface to obtain a base film; and a transfer apparatus configured to transfer the metal layer to the base film to obtain the current collector assembly.
    Type: Application
    Filed: April 17, 2024
    Publication date: August 22, 2024
    Inventors: Keqiang LI, Xiaosong LIU, Zhiyang WU, Yi LU
  • Publication number: 20240272562
    Abstract: A substrate treatment apparatus, comprising: a coating device configured to coat a substrate, which is conveyed at a first speed in a feeding direction, with a material; a drying device configured to receive the substrate, which is coated by means of the coating device, at the first speed and dry the material; an exposure device configured to receive the substrate, which is dried by means of the drying device, at the first speed and continuously convey a mask at the first speed in the feeding direction, the mask being used for regional shading during exposure of the material by means of the exposure device; and an etching device configured to receive the substrate, which is exposed by means of the exposure device, at the first speed and etch the material and a portion of the substrate in an unexposed region of the substrate.
    Type: Application
    Filed: April 24, 2024
    Publication date: August 15, 2024
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Xiaosong LIU, Keqiang LI, Zhiyang WU, Yi LU
  • Publication number: 20240266580
    Abstract: A manufacturing device for an electrode assembly comprises a first electrode plate feeding mechanism for conveying a first electrode plate, a first separator feeding mechanism for conveying a first separator, a second separator feeding mechanism for conveying a second separator, and a compounding mechanism provided downstream the first electrode plate feeding mechanism, the first separator feeding mechanism, and the second separator feeding mechanism. The compounding mechanism is used for sequentially laminating and compounding the first separator, the first electrode plate, and the second separator into a first electrode plate complex.
    Type: Application
    Filed: March 27, 2024
    Publication date: August 8, 2024
    Inventors: Zhiyang WU, Chao XIE, Yiruo WANG, Gang LIN
  • Publication number: 20240264541
    Abstract: An exposure apparatus includes a conveying mechanism and an exposure mechanism. The conveying mechanism is configured to convey a substrate, a surface of the substrate being coated with photoresist. The exposure mechanism includes an exposure source and an exposure member. The exposure source is configured to provide light to the substrate. The exposure member includes an exposure section opposite the substrate, where the exposure section is located between the exposure source and the substrate and disposed in close proximity to the substrate, the exposure section has a light-transmitting portion that allows light to be incident on the substrate and a light-shielding portion that prevents light from being incident on the substrate, and the exposure section is configured to keep the light-transmitting portion and the light-shielding portion in synchronized movement with the substrate.
    Type: Application
    Filed: March 21, 2024
    Publication date: August 8, 2024
    Inventors: Xiaosong LIU, Keqiang LI, Zhiyang WU, Yi LU
  • Publication number: 20240266586
    Abstract: Embodiments of this application provide an electrode assembly, a battery cell, a battery, and an electric apparatus. The electrode assembly includes a first electrode plate, a second electrode plate, and at least one separator for separating the first electrode plate from the second electrode plate. The first electrode plate and the second electrode plate have opposite polarities, and the first electrode plate, the second electrode plate, and at least one separator are wound together. A length of the at least one separator is L1, and a length of the first electrode plate is L2, where |L1?L2|?50 mm.
    Type: Application
    Filed: April 17, 2024
    Publication date: August 8, 2024
    Inventors: Guohang LIAO, Zhiyang WU, Yiruo WANG, Gang LIN, Jinghua HUANG
  • Patent number: 12027673
    Abstract: An electrode assembly manufacturing device includes a winding mechanism, a heating mechanism, a conveyor belt arranged between the heating mechanism and the winding mechanism, and a forming mechanism. The winding mechanism is configured to wind a positive electrode sheet, a separator, and a negative electrode sheet into an electrode assembly. The conveyor belt is configured to transfer the electrode assembly from the winding mechanism to the heating mechanism. The heating mechanism is configured to heat the electrode assembly. The forming mechanism is configured to press and form the electrode assembly.
    Type: Grant
    Filed: May 31, 2023
    Date of Patent: July 2, 2024
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Yiruo Wang, Zhiyang Wu, Gang Lin, Chao Xie, Guoda Huang, Yongli Zhang, Mingjian Liu
  • Patent number: 12000654
    Abstract: This application relates to a conveyor and a baking device. A traction rope may bring an electrode plate to move in a transport space. The traction rope may be of high flexibility and can more smoothly bring the electrode plate to move in various complex environments such as an arcuate oven, thereby effectively avoiding derailment or jamming of the conveyor in the oven and conveying the electrode plate more smoothly in the oven.
    Type: Grant
    Filed: August 9, 2023
    Date of Patent: June 4, 2024
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Zhiyang Wu, Peng Jin, Lijun Li, Chaonan Liu
  • 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
  • Patent number: 11961955
    Abstract: The present application relates to a method and an apparatus for manufacturing an electrode assembly of a secondary battery. Embodiments of the present application propose a method for manufacturing an electrode assembly of a secondary battery, the method comprising joining a positive electrode plate and a first separator to form a positive electrode composite plate body; joining a negative electrode plate and a second separator to form a negative electrode composite plate body; winding the positive electrode composite plate body and the negative electrode composite plate body together to form an electrode assembly, wherein the positive electrode plate and the negative electrode plate are disposed to isolate from each other by the first separator and the second separator.
    Type: Grant
    Filed: April 2, 2022
    Date of Patent: April 16, 2024
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Yiruo Wang, Zhiyang Wu, Xiao Wang, Chengcheng Jiang, Chao Xie, Liangzhen Dai
  • Patent number: 11949059
    Abstract: A winding method may comprise clamping heads of an anode plate, a cathode plate and a separator between a first half winding needle and a second half winding needle of a winding needle assembly at a winding station; and rotating the winding needle assembly at the winding station to wind the anode plate, the cathode plate and the separator to form an electrode assembly.
    Type: Grant
    Filed: June 23, 2023
    Date of Patent: April 2, 2024
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Zhiyang Wu, Yiruo Wang, Gang Lin, Guohang Liao
  • Publication number: 20240105983
    Abstract: A stacking device may include a negative delivery structure, a separator delivery structure, a first heater and a positive delivery structure. The negative delivery structure may be configured to deliver a negative electrode sheet. The separator delivery structure may be configured to deliver separators to two sides of the negative electrode sheet such that the separators are attached to the negative electrode sheet. The first heater may be arranged downstream of the separator delivery structure and configured to heat the negative electrode sheet and the separators. The positive delivery structure may be arranged downstream of the first heater and configured to deliver positive electrode sheets to the two sides of the negative electrode sheet such that the positive electrode sheets are attached to the separators.
    Type: Application
    Filed: December 8, 2023
    Publication date: March 28, 2024
    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Ruhu LIAO, Gang ZENG, Zhiyang WU, Jianlei WANG, Ya DAI, Zhihua WEN
  • 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
  • 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