Patents by Inventor Mai K. Tran

Mai K. Tran 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).

  • Recycling Li-ion batteries using green chemicals and processes
    Patent number: 11591670
    Abstract: A process for extracting, recovering and recycling metals and materials from spent lithium ion batteries (LIB) that comprises the contacting battery waste products with a deep eutectic solvent, and leaching the metal from the battery waste product and extracting the metal into the deep eutectic solvent with heat and agitation. After the leaching and extracting, the process further includes recovering the dissolved metals ions from the deep eutectic solvent solution, followed by a step of regeneration of cathode materials.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: February 28, 2023
    Assignee: William Marsh Rice University
    Inventors: Mai K. Tran, Marco-Tulio F. Rodrigues, Ganguli Babu, Hemtej Gullapalli, Pulickel M. Ajayan
  • RECYCLING LI-ION BATTERIES USING GREEN CHEMICALS AND PROCESSES
    Publication number: 20200399737
    Abstract: A process for extracting, recovering and recycling metals and materials from spent lithium ion batteries (LIB) that comprises the contacting battery waste products with a deep eutectic solvent, and leaching the metal from the battery waste product and extracting the metal into the deep eutectic solvent with heat and agitation. After the leaching and extracting, the process further includes recovering the dissolved metals ions from the deep eutectic solvent solution, followed by a step of regeneration of cathode materials.
    Type: Application
    Filed: June 23, 2020
    Publication date: December 24, 2020
    Applicant: William Marsh Rice University
    Inventors: Mai K. Tran, Marco-Tulio F. Rodrigues, Ganguli Babu, Hemtej Gullapalli, Pulickel M. Ajayan