Patents by Inventor Guowei Ling

Guowei Ling 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).

  • Cylindrical single-piece lithium-ion battery of 400Ah and its preparation method
    Patent number: 10367190
    Abstract: A cylindrical single-piece lithium-ion battery of 400 Ah includes: a cylindrical battery enclosure (1), a battery mandrel (3), a plurality of tabs (4), a wiring terminal (6), a positive and negative electrode cover (11); a positive electrode sheet, said battery positive electrode is composed of LiFePO4, conductive carbon-black, graphite, adhesive such as PVDF, and solvent such as NMP; a negative electrode sheet, the battery negative electrode is composed of lithium titanate, conductive carbon-black, graphite, adhesive such as PVDF, and solvent such as NMP. The cylindrical lithium-ion battery made by the invention has a capacity of 400 Ah which is the one reportedly having the largest capacity in the world presently.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: July 30, 2019
    Assignee: Tianjin University
    Inventors: Zhiyuan Tang, Lei Sun, Qi Wang, Guowei Ling
  • Cylindrical single-piece lithium-ion battery of 400Ah and its preparation method
    Publication number: 20170084904
    Abstract: A cylindrical single-piece lithium-ion battery of 400 Ah includes: a cylindrical battery enclosure (1), a battery mandrel (3), a plurality of tabs (4), a wiring terminal (6), a positive and negative electrode cover (11); a positive electrode sheet, said battery positive electrode is composed of LiFePO4, conductive carbon-black, graphite, adhesive such as PVDF, and solvent such as NMP; a negative electrode sheet, the battery negative electrode is composed of lithium titanate, conductive carbon-black, graphite, adhesive such as PVDF, and solvent such as NMP. The cylindrical lithium-ion battery made by the invention has a capacity of 400 Ah which is the one reportedly having the largest capacity in the world presently.
    Type: Application
    Filed: September 28, 2016
    Publication date: March 23, 2017
    Applicant: Tianjin University
    Inventors: Zhiyuan TANG, Lei Sun, Qi Wang, Guowei Ling
  • Cylindrical single-piece lithium-ion battery of 400Ah and its preparation method
    Patent number: 9502736
    Abstract: A cylindrical single-piece lithium-ion battery of 400 Ah includes: a cylindrical battery enclosure (1), a battery mandrel (3), a plurality of tabs (4), a wiring terminal (6), a positive and negative electrode cover (11); a positive electrode sheet, said battery positive electrode is composed of LiFePO4, conductive carbon-black, graphite, adhesive such as PVDF, and solvent such as NMP; a negative electrode sheet, the battery negative electrode is composed of lithium titanate, conductive carbon-black, graphite, adhesive such as PVDF, and solvent such as NMP. The cylindrical lithium-ion battery made by the invention has a capacity of 400 Ah which is the one reportedly having the largest capacity in the world presently.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: November 22, 2016
    Assignee: TIANJIN UNIVERSITY
    Inventors: Zhiyuan Tang, Lei Sun, Qi Wang, Guowei Ling