Patents by Inventor Shiwei ZANG

Shiwei ZANG 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: 20240150921
    Abstract: A cathode conduction mechanism and an electroplating system are provided. The cathode conduction mechanism includes a first conductive belt and a first conductive belt assembly, the first conductive belt assembly includes a first belt roll and a second belt roll, and the first conductive belt covering the first belt roll and the second belt roll; and a second conductive belt and a second conductive belt assembly, the second conductive belt assembly includes a third belt roll and a fourth belt roll, and the second conductive belt covering the third belt roll and the fourth belt roll. According to the present disclosure, the lower conductive belt does not pass through the bottom of the electroplating bath to prevent leakage. The upper conductive belt and the lower conductive belt each are only driven by two belt rolls to greatly save a cost.
    Type: Application
    Filed: January 18, 2024
    Publication date: May 9, 2024
    Applicant: CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD
    Inventor: Shiwei ZANG
  • Patent number: 11976378
    Abstract: The present invention discloses a device and method for preventing copper plating of a conductor roll in the technical field of manufacturing of copper electroplating films. A conductor roll and an electroplating anode are respectively connected to the negative output end and the positive output end of a first power source, the conductor roll and the electroplating anode electroplate a plating product flowing through plating pool bath after being electrified, and the conductor roll is connected to the positive output end of a second power source and mated with an auxiliary electrode connected to the negative output end of the second power source to realize the electrolysis of the conductor roll so that the conductor roll avoids copper deposition when electroplating the plating product.
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: May 7, 2024
    Assignee: Chongqing JIMAT New Material Technology Co., Ltd.
    Inventors: Shiwei Zang, Wenqing Liu
  • Publication number: 20240133020
    Abstract: An evaporation material distributor and a vacuum evaporation device are provided. The evaporation material distributor includes a material distribution mechanism and a housing, where the material distribution mechanism is provided at a bottom of the housing, and the material distribution mechanism includes a plurality of through holes formed in a middle of a bottom of the material distribution mechanism at intervals along a length direction of the material distribution mechanism; and a plurality of feeding channels respectively provided between the holes and corresponding edges of the material distribution mechanism.
    Type: Application
    Filed: January 2, 2024
    Publication date: April 25, 2024
    Applicant: CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD.
    Inventor: Shiwei ZANG
  • Publication number: 20240125001
    Abstract: An electroplating bath includes a bottom plate, and a first side wall and a second side wall arranged oppositely on the bottom plate. The first side wall is provided with a first drainage zone, and the first drainage zone includes a first side plate with a first overflow hole. The second side wall is provided with a second drainage zone, and the second drainage zone includes a second side plate with a second overflow hole. The second side wall is further provided with a plurality of liquid outlet holes communicating with the second drainage zone, and a height of each liquid outlet hole is lower than a height of the first overflow hole and a height of the second overflow hole. The bottom plate is provided with a third drainage zone, and the third drainage zone communicates with the first drainage zone and the second drainage zone.
    Type: Application
    Filed: November 9, 2023
    Publication date: April 18, 2024
    Applicant: CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD
    Inventor: Shiwei ZANG
  • Publication number: 20240052479
    Abstract: A method, device, and system for manufacturing a composite metal foil are provided. The device includes: a first-time double-sided coating module and a second-time double-sided coating module arranged at an interval, where the first-time double-sided coating module includes: a first vapor deposition column and a second vapor deposition column arranged oppositely, and an unwinding roller, a first evaporation source, a first set of over rollers, a second evaporation source, and a second set of over rollers arranged sequentially from bottom to top on opposite surfaces of the first vapor deposition column and the second vapor deposition column; and the second-time double-sided coating module includes: a third vapor deposition column, and a first set of cooling rollers, a third evaporation source, a second set of cooling rollers, a fourth evaporation source, and a winding roller arranged sequentially from top to bottom on the third vapor deposition column.
    Type: Application
    Filed: October 18, 2023
    Publication date: February 15, 2024
    Applicant: CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD
    Inventor: Shiwei ZANG
  • Publication number: 20230198093
    Abstract: A safe lithium-ion battery (LIB) separator, a fabrication method thereof, and an LIB are provided. The fabrication method includes: S1: preparation of a water-based slurry: mixing a ceramic material, magnesium oxide, conductive carbon black (CB), and a water-based adhesive, and thoroughly stirring to obtain the water-based slurry; S2: fabrication of a first film: adding trans-1,4-polyisoprene, cis-polybutadiene rubber (cis-BR), conductive CB, and a water-soluble salt to a compounding granulator for compounding to prepare a memory material; adding the memory material to a mixed solution of aluminum nitride and ethanol, and conducting stirring, suction filtration, drying and calcination to obtain a solid material; and mixing a high-polymer particle with the solid material, adding a resulting mixed material to a film-blowing machine, blowing into a film, and watering and drying the film to obtain the first film; S3: fabrication of a second film; and S4: fabrication of the LIB separator.
    Type: Application
    Filed: June 10, 2021
    Publication date: June 22, 2023
    Applicant: CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD.
    Inventors: Shiwei ZANG, Wenqing LIU
  • Publication number: 20230187775
    Abstract: A conductive film, a fabrication method of the conductive film, and a lithium-ion battery (LIB) are provided. The fabrication method includes: S10: selecting a support layer, and plating a first metal layer on upper and lower surfaces of the support layer, respectively; S20: compounding a first film on a surface of one of the first metal layers, and compounding a second film on a surface of the other one of the first metal layers; S30: compounding a third film on surfaces of the first film and the second film, and etching a plurality of circular holes penetrating through the third film and the second film; S40: plating a second metal layer on an outer surface of the third film and an inner wall of the circular hole; S50: fabricating a composite film; and S60: plating a third metal layer on upper and lower surfaces of the composite film.
    Type: Application
    Filed: June 10, 2021
    Publication date: June 15, 2023
    Applicant: CHONGQING JIMAT NEW MATERIAL TECHNOLOGY CO., LTD.
    Inventors: Shiwei ZANG, Wenqing LIU
  • Publication number: 20220282393
    Abstract: The present invention discloses a device and method for preventing bath crystallization of a squeezing component of electroplating equipment in the technical field of manufacturing of copper electroplating films. The device comprises a plating tank and a squeezing component located on the discharge end of the plating tank. A non-metallic film is squeezed by the squeezing component after being discharged from the plating tank. A wind cutting device is arranged between the plating tank and the squeezing component for wind cutting of the discharged non-metallic film; and a spraying component is arranged behind the squeezing component for spraying the squeezing component. The method comprises a step of adding a wind cutting device for wind cutting of a non-metallic film to remove bath and a step of adding a spraying component for spraying the squeezing component.
    Type: Application
    Filed: May 24, 2022
    Publication date: September 8, 2022
    Inventors: Shiwei ZANG, Wenqing LIU
  • Publication number: 20220285789
    Abstract: The present invention discloses a lithium replenishing diaphragm and a preparation method for the lithium replenishing diaphragm in the technical field of lithium batteries. The lithium replenishing diaphragm comprises in mass percentage: 50-60% of a halogen high-molecular polymer base material, 5-10% of a toughening agent, 5-10% of a flame retardant, and 20-40% of a lithium salt. During the preparation process, the proportioned raw materials are uniformly mixed and placed in a feeding device of a film blowing machine, a film is formed by means of film blowing of the film blowing machine, the film is baked in a drying oven and then wound, and the final lithium replenishing diaphragm is obtained. The present invention solves the defects of high cost, poor heat resistance and poor tensile strength of a diaphragm in the prior art, which can not only greatly reduce the corresponding cost, but also ensure a better thermal stability and a higher toughness of a final product.
    Type: Application
    Filed: May 24, 2022
    Publication date: September 8, 2022
    Inventors: Shiwei ZANG, Wenqing LIU
  • Publication number: 20220282390
    Abstract: The present invention discloses a device and method for preventing copper plating of a conductor roll in the technical field of manufacturing of copper electroplating films. A conductor roll and an electroplating anode are respectively connected to the negative output end and the positive output end of a first power source, the conductor roll and the electroplating anode electroplate a plating product flowing through plating pool bath after being electrified, and the conductor roll is connected to the positive output end of a second power source and mated with an auxiliary electrode connected to the negative output end of the second power source to realize the electrolysis of the conductor roll so that the conductor roll avoids copper deposition when electroplating the plating product.
    Type: Application
    Filed: May 24, 2022
    Publication date: September 8, 2022
    Inventors: Shiwei ZANG, Wenqing LIU