Patents by Inventor Qinxue Gong

Qinxue Gong 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: 11872595
    Abstract: Disclosed are a wet sorting process for a waste lithium battery and application thereof, which belong to the field of battery material recycling. The wet sorting process includes the following steps of carrying out wet ball milling on a sorting material of a waste lithium battery to obtain a ball-milled product, screening the ball-milled product to obtain a coarse-grained screened material, a medium-grained screened material and a fine-grained screened material, carrying out wet ball milling, screening, magnetic separation and table concentration on the medium-grained screened material to obtain copper, aluminum and a steel shell, and carrying out flotation, magnetic separation and table concentration on the fine-grained screened material to obtain cathode material powder, graphite, copper and aluminum.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: January 16, 2024
    Assignees: HUNAN BRUNP RECYCLING TECHNOLOGY CO., LTD., GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD., HUNAN BRUNP EV RECYCLING CO., LTD.
    Inventors: Jieming Zhao, Qinxue Gong, Ruokui Chen, Qiang Li, Changdong Li
  • Publication number: 20230302498
    Abstract: Disclosed are a wet sorting process for a waste lithium battery and application thereof, which belong to the field of battery material recycling. The wet sorting process includes the following steps of: carrying out wet ball milling on a sorting material of a waste lithium battery to obtain a ball-milled product screening the ball-milled product to obtain a coarse-grained screened material, a medium-grained screened material and a fine-grained screened material, carrying out wet ball milling, screening, magnetic separation and table concentration on the medium-grained screened material to obtain copper, aluminum and a steel shell and carrying out flotation, magnetic separation and table concentration on the fine-grained screened material to obtain cathode material powder, graphite, copper and aluminum.
    Type: Application
    Filed: May 13, 2021
    Publication date: September 28, 2023
    Applicants: HUNAN BRUNP RECYCLING TECHNOLOGY CO., LTD., GUANGDONG BRUNP RECYCLING TECHNOLOGY CO., LTD., HUNAN BRUNP EV RECYCLING CO., LTD.
    Inventors: Jieming ZHAO, Qinxue GONG, Ruokui CHEN, Qiang LI, Changdong LI
  • Publication number: 20230265540
    Abstract: Disclosed is a method for removing aluminum in a ternary battery material leachate by adopting an extraction method, which comprises the following steps: (1) saponification: mixing an extraction solvent with a saponifying agent to obtain a saponified extraction solvent; (2) extraction: mixing the ternary battery material leachate with the saponified extraction solvent to obtain a loaded organic phase and a raffinate; (3) back extraction: mixing the loaded organic phase with a back-extraction agent, followed by performing a back-extraction to obtain an organic phase and a back-extraction solution; the extraction solvent comprises an extracting agent and a diluent. The extraction method is adopted to separate nickel, cobalt, manganese and aluminum, having the advantages of less heavy metal entrainment, short process flow, and high metal recovery rate. The extraction rate of the aluminum can reach 97.42 percent.
    Type: Application
    Filed: April 29, 2023
    Publication date: August 24, 2023
    Inventors: Rongrong Zhang, Weixin Li, Yongqi Liu, Qinxue Gong, Changdong Li