Patents by Inventor Surya G. Prakash

Surya G. Prakash 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).

  • Publication number: 20210119240
    Abstract: Quinones and related compounds for use in flow batteries are provided. Many of these compounds are found to mitigate the effects of crossover in a flow battery. Other structure for improving battery performance is provided.
    Type: Application
    Filed: October 23, 2020
    Publication date: April 22, 2021
    Inventors: SRI NARAYAN, SURYA G. PRAKASH, ROBERT ANISZFELD, BO YANG, LENA HOOBER-BURKHARDT, SANKARGANESH KRISHNAMOORTHY, ADVAITH MURALI, ARCHITH NIRMALCHANDAR
  • Patent number: 10833345
    Abstract: Quinones and related compounds for use in flow batteries are provided. Many of these compounds are found to mitigate the effects of crossover in a flow battery. Other structure for improving battery performance is provided.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: November 10, 2020
    Assignee: UNIVERSITY OF SOUTHERN CALIFORNIA
    Inventors: Sri Narayan, Surya G. Prakash, Robert Aniszfeld, Bo Yang, Lena Hoober-Burkhardt, Sankarganesh Krishnamoorthy, Advaith Murali, Archith Nirmalchandar
  • Publication number: 20180097249
    Abstract: Quinones and related compounds for use in flow batteries are provided. Many of these compounds are found to mitigate the effects of crossover in a flow battery. Other structure for improving battery performance is provided.
    Type: Application
    Filed: October 2, 2017
    Publication date: April 5, 2018
    Inventors: SRI NARAYAN, SURYA G. PRAKASH, ROBERT ANISZFELD, BO YANG, LENA HOOBER-BURKHARDT, SANKARGANESH KRISHNAMOORTHY, ADVAITH MURALI, ARCHITH NIRMALCHANDAR
  • Patent number: 9190698
    Abstract: The invention discloses various embodiments of electrolytes for use in lithium-ion batteries, the electrolytes having improved safety and the ability to operate with high capacity anodes and high voltage cathodes. In one embodiment there is provided an electrolyte for use in a lithium-ion battery comprising an anode and a high voltage cathode. The electrolyte has a mixture of a cyclic carbonate of ethylene carbonate (EC) or mono-fluoroethylene carbonate (FEC) co-solvent, ethyl methyl carbonate (EMC), a flame retardant additive, a lithium salt, and an electrolyte additive that improves compatibility and performance of the lithium-ion battery with a high voltage cathode. The lithium-ion battery is charged to a voltage in a range of from about 2.0 V (Volts) to about 5.0 V (Volts).
    Type: Grant
    Filed: February 14, 2012
    Date of Patent: November 17, 2015
    Assignees: CALIFORNIA INSTITUTE OF TECHNOLOGY, UNIVERSITY OF SOUTHERN CALIFORNIA
    Inventors: Marshall C. Smart, Ratnakumar V. Bugga, Surya G. Prakash, Frederick C. Krause
  • Publication number: 20140255806
    Abstract: The present invention provides a method of converting a hydrocarbon into H2 and a carbon material comprising substantially no CO2, whereby the H2 is used by a fuel cell to generate electrical energy and the carbon material is collected. The method includes heating a hydrocarbon and a catalyst in a reactor to form H2 and a carbon material comprising substantially no CO2. A fuel cell is operated to generate electrical energy and heat using the H2 formed in the reactor. The step of heating is repeated using the heat generated in the fuel cell. The present invention also provides a system for converting a hydrocarbon into H2 and a carbon material comprising substantially no CO2, whereby the H2 is used by a fuel cell to generate electrical energy and the carbon material is collected.
    Type: Application
    Filed: March 11, 2014
    Publication date: September 11, 2014
    Applicants: UNIVERSITY OF SOUTHERN CALIFORNIA, CALIFORNIA INSTITUTE OF TECHNOLOGY
    Inventors: Gani B. Ganapathi, Sri R. Narayan, Surya G. Prakash
  • Patent number: 8795903
    Abstract: The invention discloses various embodiments of Li-ion electrolytes containing flame retardant additives that have delivered good performance over a wide temperature range, good cycle life characteristics, and improved safety characteristics, namely, reduced flammability. In one embodiment of the invention there is provided an electrolyte for use in a lithium-ion electrochemical cell, the electrolyte comprising a mixture of an ethylene carbonate (EC), an ethyl methyl carbonate (EMC), a fluorinated co-solvent, a flame retardant additive, and a lithium salt. In another embodiment of the invention there is provided an electrolyte for use in a lithium-ion electrochemical cell, the electrolyte comprising a mixture of an ethylene carbonate (EC), an ethyl methyl carbonate (EMC), a flame retardant additive, a solid electrolyte interface (SEI) film forming agent, and a lithium salt.
    Type: Grant
    Filed: August 18, 2009
    Date of Patent: August 5, 2014
    Assignee: California Institute of Technology
    Inventors: Marshall C. Smart, Kiah A. Smith, Ratnakumar V. Bugga, Surya G. Prakash, Frederick Charles Krause
  • Publication number: 20120141883
    Abstract: The invention discloses various embodiments of electrolytes for use in lithium-ion batteries, the electrolytes having improved safety and the ability to operate with high capacity anodes and high voltage cathodes. In one embodiment there is provided an electrolyte for use in a lithium-ion battery comprising an anode and a high voltage cathode. The electrolyte has a mixture of a cyclic carbonate of ethylene carbonate (EC) or mono-fluoroethylene carbonate (FEC) co-solvent, ethyl methyl carbonate (EMC), a flame retardant additive, a lithium salt, and an electrolyte additive that improves compatibility and performance of the lithium-ion battery with a high voltage cathode. The lithium-ion battery is charged to a voltage in a range of from about 2.0 V (Volts) to about 5.0 V (Volts).
    Type: Application
    Filed: February 14, 2012
    Publication date: June 7, 2012
    Applicants: University of Southern California, California Institute of Technology
    Inventors: Marshall C. Smart, Ratnakuma V. Bugga, Surya G. Prakash, Frederick C. Krause
  • Publication number: 20100047695
    Abstract: The invention discloses various embodiments of Li-ion electrolytes containing flame retardant additives that have delivered good performance over a wide temperature range, good cycle life characteristics, and improved safety characteristics, namely, reduced flammability. In one embodiment of the invention there is provided an electrolyte for use in a lithium-ion electrochemical cell, the electrolyte comprising a mixture of an ethylene carbonate (EC), an ethyl methyl carbonate (EMC), a fluorinated co-solvent, a flame retardant additive, and a lithium salt. In another embodiment of the invention there is provided an electrolyte for use in a lithium-ion electrochemical cell, the electrolyte comprising a mixture of an ethylene carbonate (EC), an ethyl methyl carbonate (EMC), a flame retardant additive, a solid electrolyte interface (SEI) film forming agent, and a lithium salt.
    Type: Application
    Filed: August 18, 2009
    Publication date: February 25, 2010
    Applicants: California Institute of Technology, University of Southern California
    Inventors: Marshall C. Smart, Kiah A. Smith, Ratnakumar V. Bugga, Surya G. Prakash, Frederick Charles Krause