Patents by Inventor Rubayyat Mahbub

Rubayyat Mahbub 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).

  • SYSTEMS AND METHODS OF ABATING HYDROGEN SULFIDE GAS
    Publication number: 20240033677
    Abstract: Provided herein is an apparatus. The apparatus can include a sorbent to dispose in an electric vehicle. The electric vehicle can include a battery cell. The sorbent can be configured to remove hydrogen sulfide gas from the electric vehicle. The hydrogen sulfide gas can be generated by a component of the battery cell.
    Type: Application
    Filed: August 1, 2022
    Publication date: February 1, 2024
    Inventors: Saravanan Kuppan, Rubayyat Mahbub, Soo Kim, Rajeev Dhiman, Asma Sharafi, Forrest Gittleson, Chen Chen, Sonika Rajput
  • MICRON- AND SUBMICRON-SIZED LITHIUM IRON PHOSPHATE PARTICLES AND METHOD OF PRODUCING SAME
    Publication number: 20240006608
    Abstract: An electrode active material includes a dopant (M2) and a lithium iron phosphate host material, where the electrode active material is represented as LiM2xFe1?xPO4; M2 is a transition metal or main group metal; x is 0.01 to 0.15; the electrode active material exhibits an increased ionic conductivity compared to a lithium iron phosphate (LiFePO4) without the dopant; and the electrode active material has a particle size distribution characterized by a D50 greater than or equal to 1 ?m.
    Type: Application
    Filed: July 1, 2022
    Publication date: January 4, 2024
    Inventors: Soo Kim, Rubayyat Mahbub, Majid Talebiesfandarani, Sun Ung Kim, Sookyung Jeong, Tae Kyoung Kim, Ki Tae Park, Victor Prajapati
  • OLIVINE-BASED CATHODE MATERIALS WITH IMPROVED CONDUCTIVITY
    Publication number: 20230387404
    Abstract: An electrode active material includes a dopant (M2) and a lithium manganese iron phosphate host material represented as LiM2xMnyFe1-x-yPO4, wherein the dopant is a transition metal or main group metal, and the electrode active material exhibits an increased ionic conductivity compared to a lithium manganese iron phosphate (LiMnyFe1-yPO4) without the dopant, wherein x is 0.01 to 0.15, and y is 0.30 to 0.85.
    Type: Application
    Filed: May 25, 2022
    Publication date: November 30, 2023
    Inventors: Soo Kim, Majid Talebiesfandarani, Sookyung Jeong, Rubayyat Mahbub, Muratahan Aykol, Tae Kyoung Kim, Ki Tae Park
  • STABLE PROTECTIVE OXIDE COATINGS FOR ANODES IN SOLID-STATE BATTERIES
    Publication number: 20230387388
    Abstract: An electrochemical cell includes a solid-state electrolyte; an anode; and a lithium polyanionic oxide; wherein the lithium polyanionic oxide is at least partially deposited on a surface of the anode.
    Type: Application
    Filed: May 24, 2022
    Publication date: November 30, 2023
    Inventors: Rubayyat Mahbub, Muratahan Aykol, Forrest Gittleson
  • PROTECTIVE COATINGS FOR CATHODE POWDERS
    Publication number: 20230378440
    Abstract: A cathode active material comprising: a nickel-rich lithium transition metal oxide; a first coating material on a surface of the nickel-rich lithium transition metal oxide; and a second coating material comprising a lithium metal oxide; wherein the second coating material overcoats the first coating material, fills in voids of the first coating material on the surface of the nickel-rich lithium transition metal oxide, or both overcoats the first coating material and fills in voids of the first coating material on the surface of the nickel-rich lithium transition metal oxide, and the second coating material is different from the first coating material and the nickel-rich lithium transition metal oxide.
    Type: Application
    Filed: May 23, 2022
    Publication date: November 23, 2023
    Inventors: Rubayyat Mahbub, Majid Talebiesfandarani, Soo Kim, Muratahan Aykol
  • STABLE LITHIUM METAL SULFIDE COATINGS FOR SOLID-STATE BATTERIES
    Publication number: 20230369586
    Abstract: An electrochemical cell includes a solid-state electrolyte, an anode, and an interfacial layer between the solid-state electrolyte and the anode, wherein the interfacial layer includes a lithium metal sulfide.
    Type: Application
    Filed: May 16, 2022
    Publication date: November 16, 2023
    Inventors: Rubayyat Mahbub, Muratahan Aykol, Terri Lin, Karthik Bhatt, Forrest Gittleson