Patents by Inventor Qingsong Tu

Qingsong Tu 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).

  • ALL SOLID-STATE LITHIUM-ION CATHODE
    Publication number: 20220037649
    Abstract: A positive active material layer includes a positive active material comprising a plurality of particles having multi-modal particle size distribution, wherein the multi-modal particle size distribution comprises a first particle size distribution having a first mean particle diameter (D1) and a second particle size distribution having a second mean particle diameter (D2); a conductive agent; and a solid electrolyte comprising particles having a mean particle diameter (DSE) of 0.1 micrometers to 12 micrometers, wherein each of the first mean particle diameter and the second mean particle diameter are independently 1 micrometer to 50 micrometers.
    Type: Application
    Filed: December 9, 2020
    Publication date: February 3, 2022
    Inventors: Srinath Chakravarthy, Jeong-Ju Cho, Qingsong Tu, Tan Shi, Gerbrand Ceder
  • SOLID-STATE POSITIVE ELECTRODE, METHOD OF MANUFACTURE THEREOF, AND BATTERY INCLUDING THE ELECTRODE
    Publication number: 20210313561
    Abstract: A positive electrode for a solid-state lithium battery, the positive electrode including: a positive active material; and a first solid electrolyte, wherein a ratio ? of an average particle diameter of the positive active material to an average particle diameter of the first solid electrolyte is 3???40, wherein the positive active material has an average particle diameter of 1 ?m to 30 ?m, and wherein the first solid electrolyte has an average particle diameter of 0.1 ?m to 4 ?m.
    Type: Application
    Filed: June 15, 2021
    Publication date: October 7, 2021
    Applicants: Samsung Electronics Co., Ltd., The Regents of the University of California
    Inventors: Qingsong Tu, Tan Shi, Gerbrand Ceder, Lincoln Miara
  • Solid-state positive electrode, method of manufacture thereof, and battery including the electrode
    Patent number: 11108035
    Abstract: A positive electrode for a solid-state lithium battery, the positive electrode including: a positive active material; and a first solid electrolyte, wherein a ratio ? of an average particle diameter of the positive active material to an average particle diameter of the first solid electrolyte is 3???40, wherein the positive active material has an average particle diameter of 1 ?m to 30 ?m, and wherein the first solid electrolyte has an average particle diameter of 0.1 ?m to 4 ?m.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: August 31, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Qingsong Tu, Tan Shi, Gerbrand Ceder, Lincoln Miara
  • SOLID-STATE POSITIVE ELECTRODE, METHOD OF MANUFACTURE THEREOF, AND BATTERY INCLUDING THE ELECTRODE
    Publication number: 20200220159
    Abstract: A positive electrode for a solid-state lithium battery, the positive electrode including: a positive active material; and a first solid electrolyte, wherein a ratio ? of an average particle diameter of the positive active material to an average particle diameter of the first solid electrolyte is 3???40, wherein the positive active material has an average particle diameter of 1 nm to 30 ?m, and wherein the first solid electrolyte has an average particle diameter of 0.1 ?m to 4 ?m.
    Type: Application
    Filed: July 2, 2019
    Publication date: July 9, 2020
    Applicants: Samsung Electronics Co., Ltd., The Regents of the University of California
    Inventors: Qingsong Tu, Tan Shi, Gerbrand Ceder, Lincoln Miara