Patents by Inventor Zikun LI

Zikun 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: 20250246625
    Abstract: An anode material and a battery provided. The anode material includes artificial graphite particle, and there are pores inside and/or on surface of the artificial graphite particle, and the anode material has a pore volume of V cm3/kg, a true density of D g/cm3, and a specific surface area of S m2/g, where 4.0?V*S/D?10. The anode material and battery effectively improve active site of surface of anode material and enhance rate performance of anode material.
    Type: Application
    Filed: November 16, 2022
    Publication date: July 31, 2025
    Inventors: Jian HUANG, Baoxuan ZHANG, Mengyang ZU, Ruoqi LIU, Meng ZHANG, Zikun LI, Shuzhan YANG, Jianguo REN
  • Publication number: 20250233149
    Abstract: The present disclosure provides an anode material and a battery, the anode material includes graphite, pores are formed at the surface of and/or inside the graphite, the anode material has a pore volume of V cm3/kg, a true density of D g/cm3, a specific surface area is S m2/g, a degree of graphitization is G %, wherein, 0.7?V*S/D?3.95, and 89?G?93. The anode material and the battery according to the present disclosure can improve the rate performance and the cycle performance of the graphite anode material under a high rate current.
    Type: Application
    Filed: June 28, 2023
    Publication date: July 17, 2025
    Inventors: Mengyang ZU, Meng ZHANG, Zikun LI, Jian HUANG, Jianguo REN
  • Publication number: 20250226408
    Abstract: The present disclosure provides an anode material and a battery. The anode material includes graphite, an interior and/or a surface of the graphite has pores, the anode material has an oil absorption value of O mL/100 g, a pore volume of V cm3/kg, a specific surface area of S m2/g, and a powder porosity of ?%, where 50?O*V*S?391, and 40???58. According to the anode material and the battery provided by the present disclosure, a reaction space capable of performing an effective lithium ion de-intercalation in the anode material is relatively sufficient, improving the high-rate charging-discharging performance of the graphite anode material.
    Type: Application
    Filed: June 28, 2023
    Publication date: July 10, 2025
    Inventors: Mengyang ZU, Meng ZHANG, Zikun LI, Jian HUANG, Jianguo REN
  • Publication number: 20250023097
    Abstract: An oligomer solution of a polymer electrolyte, a polymer electrolyte, and an electrochemical device are provided. The oligomer solution of the polymer electrolyte comprises monomers and an electrolyte solution, the monomers form polymer molecular chains through free radical polymerization, and the polymer molecule chain is cross-linked to form a polymer electrolyte with a three-dimensional network structure; the electrolyte solution comprises an organic solvent, which has strong mobility, permeates into pores of electrodes, promotes interface contact between the polymer electrolyte and the electrodes, improves the interface infiltration between the polymer electrolyte and the electrodes, increases the ion conductivity, facilitate lithium ion transmission, and enhances the electrochemical performance of a battery.
    Type: Application
    Filed: August 4, 2023
    Publication date: January 16, 2025
    Applicant: SHENZHEN BTR NEW ENERGY TECHNOLOGY RESEARCH INSTITUTE CO., LTD.
    Inventors: Junhuan LI, Yilin HAN, Chenglin YANG, Zikun LI, Youyuan HUANG
  • Patent number: 12107219
    Abstract: A polymer, a polymer electrolyte and a lithium ion battery are provided. The polymer includes a main chain and side chains of the polymer, the side chains contain conjugated cyclic groups and epoxy multi-element cyclic groups; the conjugated cyclic group is selected from saturated or unsaturated C10-C20 conjugated aromatic groups; the epoxy multi-element cyclic group is selected from saturated or unsaturated C3-C8 epoxy multi-element cyclic groups; the main chain of the polymer is selected from polyalkoxy ether. The polymer, the polymer electrolyte and the lithium ion battery can improve interaction between the polymer electrolyte and an active substance in an electrode plate, increase the adhesion of the polymer electrolyte, avoid detachment occurring at an interface between the plate and the electrolyte, and improve the interface stability of the battery.
    Type: Grant
    Filed: August 4, 2023
    Date of Patent: October 1, 2024
    Assignee: SHENZHEN BTR NEW ENERGY TECHNOLOGY RESEARCH INSTITUTE CO., LTD.
    Inventors: Junhuan Li, Gengbiao Xu, Chenglin Yang, Zikun Li, Youyuan Huang
  • Publication number: 20240274875
    Abstract: A polymer, a polymer electrolyte and a lithium ion battery are provided. The polymer includes a main chain and side chains of the polymer, the side chains contain conjugated cyclic groups and epoxy multi-element cyclic groups; the conjugated cyclic group is selected from saturated or unsaturated C10-C20 conjugated aromatic groups; the epoxy multi-element cyclic group is selected from saturated or unsaturated C3-C8 epoxy multi-element cyclic groups; the main chain of the polymer is selected from polyalkoxy ether. The polymer, the polymer electrolyte and the lithium ion battery can improve interaction between the polymer electrolyte and an active substance in an electrode plate, increase the adhesion of the polymer electrolyte, avoid detachment occurring at an interface between the plate and the electrolyte, and improve the interface stability of the battery.
    Type: Application
    Filed: August 4, 2023
    Publication date: August 15, 2024
    Applicant: SHENZHEN BTR NEW ENERGY TECHNOLOGY RESEARCH INSTITUTE CO., LTD.
    Inventors: Junhuan LI, Gengbiao XU, Chenglin YANG, Zikun LI, Youyuan HUANG