Patents by Inventor Xiulin Fan

Xiulin Fan 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 sodium-sulfur or lithium-sulfur battery prepared using cast-annealing method
    Patent number: 11949092
    Abstract: The present invention is directed to solid-state composite cathodes that comprise Na2S or Li2S, Na3PS4, or Li3PS4, and mesoporous carbon. The present invention is also directed to methods of making the solid-state composite cathodes and methods of using the solid-state composite cathodes in batteries and other electrochemical technologies.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: April 2, 2024
    Assignee: University of Maryland, College Park
    Inventors: Chunsheng Wang, Xiulin Fan, Jie Yue
  • High-Performance Microsized Anodes and Methods of Making and Using the Same
    Publication number: 20230020256
    Abstract: The present invention provides an anode composition comprising (i) a core material (10) comprising a microparticle; (ii) a lithium alloy of said microparticle (14) on a surface of said core material (10); and (iii) a solid electrolyte interface (“SEI”) comprising (a) a LiF and (b) a polymer. The microparticle comprises Si, Al, Bi, Sn, Zn, or a mixture thereof. The present invention also relates to an electrolyte comprising a high lithium fluoride salt concentration in a low reduction potential solvent that is used produce the solid electrolyte interface comprising LiF and a polymer. The anode composition of the invention has an initial coulombic efficiency of at least 90%, a cycling coulombic efficiency of at least 99%, or both.
    Type: Application
    Filed: February 19, 2021
    Publication date: January 19, 2023
    Applicant: University of Maryland, College Park
    Inventors: Chunsheng WANG, Ji CHEN, Xiulin FAN
  • ALL SOLID-STATE SODIUM-SULFUR OR LITHIUM-SULFUR BATTERY PREPARED USING CAST-ANNEALING METHOD
    Publication number: 20210028440
    Abstract: The present invention is directed to solid-state composite cathodes that comprise Na2S or Li2S, Na3PS4, or Li3PS4, and mesoporous carbon. The present invention is also directed to methods of making the solid-state composite cathodes and methods of using the solid-state composite cathodes in batteries and other electrochemical technologies.
    Type: Application
    Filed: March 15, 2019
    Publication date: January 28, 2021
    Applicant: University of Maryland, College Park
    Inventors: Chunsheng WANG, Xiulin FAN, Jie YUE
  • HIGH-ENERGY DENSITY RECHARGEABLE LITHIUM BATTERY
    Publication number: 20200280097
    Abstract: The present invention provides a high-energy density rechargeable lithium battery and method for making and using the same. In particular, the lithium batteries of the invention include a high potential cathode, an anode, and an electrolyte solution that comprises a fluorinated electrolyte, fluorinated solvent and a fluorinated additive. The lithium batteries of the invention have a cell that is at least 5 V when fully charged. Furthermore, the lithium battery of the invention has a high coulombic efficiency and can be recharged over 100 times while maintaining capacity retention of at least 90%.
    Type: Application
    Filed: February 28, 2020
    Publication date: September 3, 2020
    Applicant: University of Maryland, College Park
    Inventors: Long Chen, Xiulin Fan, Chunsheng Wang