Patents by Inventor Sreekumar Kurungot

Sreekumar Kurungot 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: 20220158253
    Abstract: The present invention provides an energy storage device having high discharge capacity and high cycling ability. More particularly, the present invention provides Zn/V2O5 battery having cation selective ionomer membrane and free-standing electrode.
    Type: Application
    Filed: February 4, 2020
    Publication date: May 19, 2022
    Inventors: Meena GHOSH, Vidyanand VIJAYAKUMAR, Sreekumar KURUNGOT
  • Patent number: 11283095
    Abstract: The present invention to provide a highly proton conducting metal organic material constituting of phosphate ester based ligand immobilized via gelation with Fe3 ion in DMF which is used as conducting electrolyte in PEFMCs.
    Type: Grant
    Filed: April 19, 2020
    Date of Patent: March 22, 2022
    Assignee: Council of Scientific & Industrial Research
    Inventors: Sreekumar Kurungot, Rahul Banerjee, Harshitha Barike Aiyappa, Subhadeep Saha, Pritish Wadge
  • Publication number: 20200321642
    Abstract: The present Invention to provide a highly proton conducting metal organic material constituting of phosphate ester based ligand immobilized via gelation with Fe3 ion in DMF which is used as conducting electrolyte in PEFMCs.
    Type: Application
    Filed: April 19, 2020
    Publication date: October 8, 2020
    Inventors: Sreekumar KURUNGOT, Rahul BANERJEE, Harshitha Barike AIYAPPA, Subhadeep SAHA, Pritish WADGE
  • Patent number: 10658690
    Abstract: The present invention to provide a highly proton conducting metal organic material constituting of phosphate ester based ligand immobilized via gelation with Fe3+ ion in DMF which is used as conducting electrolyte in PEFMCs.
    Type: Grant
    Filed: August 12, 2015
    Date of Patent: May 19, 2020
    Assignee: Council of Scientific & Industrial Research
    Inventors: Sreekumar Kurungot, Rahul Banerjee, Harshitha Barike Aiyappa, Subhadeep Saha, Pritish Wadge
  • Patent number: 10501317
    Abstract: The present invention discloses high aspect ratio multifunctional nanocomposite of CNF/polymer comprising of functionalized CNF incorporated with metal nanoparticles and phosphoric acid doped polybenzimidazole (PBI) along the inner and outer surfaces of hollow carbon nanofiber and to a process for fabrication of the same thereof.
    Type: Grant
    Filed: March 24, 2011
    Date of Patent: December 10, 2019
    Assignee: Council of Scientific & Industrial Research
    Inventors: Sreekumar Kurungot, Beena Kalasaparambil Balan, Ulhas Kanhaiyalal Kharul, Vijayamohanan Kunjuukrishna Pillai
  • Patent number: 10361446
    Abstract: The present invention discloses a process for the preparation of poly-benzimidazole (PBI) based membrane electrode assembly (MEA) with improved fuel cell performance and stability. It discloses a simple strategy to overcome the leaching of phosphoric acid (PA) from the membrane during fuel cell operation by an in-situ Current-Voltage (I-V) assisted doping of membrane with PA. The invention provides an improved method for the preparation of membrane electrode assembly (MEA) wherein said MEA possess high stability and improved fuel cell performance achieved by overcoming the leaching of phosphoric acid during cell operation.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: July 23, 2019
    Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Sreekumar Kurungot, Rajith Illathvalappil, Siddheshwar Navanath Bhange, Sreekuttan Maraveedu Unni
  • Patent number: 10266990
    Abstract: The present invention discloses a highly conducting polyethylenedioxythiphene (PEDOT) flexible paper with a very low sheet resistance and high conductivity and process for preparation thereof, by inducing the polymerization at the interface of two immiscible liquids on a cellulose paper to trigger PEDOT growth along the fibers of the cellulose paper. The present invention discloses the use of the said conducting paper for the preparation of flexible supercapacitor and for the preparation of counter electrode in Dye Sensitized Solar Cell (DSSC).
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: April 23, 2019
    Assignee: Council of Scientific & Industrial Research
    Inventors: Sreekumar Kurungot, Bihag Anothumakkool
  • Patent number: 10218006
    Abstract: Nitrogen doped carbon nanohorns function as efficient metal-free oxygen reduction electrocatalysts for anion exchange membrane fuel cells. The disclosure relates to a process for the preparation of nitrogen doped carbon nanohorns with enhanced conductivity and improved surface area.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: February 26, 2019
    Assignee: Council of Scientific & Industrial Research
    Inventors: Sreekumar Kurungot, Sreekuttan Maraveedu Unni, Sarath Ramadas
  • Patent number: 10170770
    Abstract: The present invention relates to an efficient, non-metal, N-doped porous carbon electrocatalyst for oxygen reduction reaction and a process for the preparation of using g-C3N4 as a nitrogen precursor, metal organic frameworks (MOF) as a carbon template having high specific surface area, large number of active sites and large pore volume.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: January 1, 2019
    Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Sreekumar Kurungot, Rahul Banerjee, Sekar Pandiaraj, Harshitha Barike Aiyappa
  • Publication number: 20180237993
    Abstract: The present invention discloses a highly conducting polyethylenedioxythiphene (PEDOT) flexible paper with a very low sheet resistance and high conductivity and process for preparation thereof, by inducing the polymerization at the interface of two immiscible liquids on a cellulose paper to trigger PEDOT growth along the fibers of the cellulose paper. The present invention discloses the use of the said conducting paper for the preparation of flexible supercapacitor and for the preparation of counter electrode in Dye Sensitized Solar Cell (DSSC).
    Type: Application
    Filed: December 23, 2015
    Publication date: August 23, 2018
    Applicant: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Sreekumar KURUNGOT, Bihag ANOTHUMAKKOOL
  • Patent number: 9905371
    Abstract: The present invention discloses. all-solid-state supercapacitor (ASSP) with enhanced electrode-electrolyte interface which gives highest very high specific capacitance, areal capacitance and shows very low internal resistance (ESR). The invention particularly discloses the fabrication of all-solid-state supercapacitor by intercalation of solid state polymer electrolyte inside the conducting porous substrate coated with a charge storage electrode material to achieve the desired effect.
    Type: Grant
    Filed: April 15, 2014
    Date of Patent: February 27, 2018
    Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Sreekumar Kurungot, Manohar Virupax Badiger, Bihag Anothumakkool, Arun Torris
  • Publication number: 20170229725
    Abstract: The present invention to provide a highly proton conducting metal organic material constituting of phosphate ester based ligand immobilized via gelation with Fe3+ ion in DMF which is used as conducting electrolyte in PEFMCs.
    Type: Application
    Filed: August 12, 2015
    Publication date: August 10, 2017
    Inventors: SREEKUMAR KURUNGOT, Rahul BANERJEE, Harshitha Barike AIYAPPA, Subhadeep SAHA, Pritish WADGE
  • Patent number: 9663624
    Abstract: Blend membranes based on polybenzimidazole (PBI) and polymeric ionic liquids (PILs), wherein said PBI and aliphatic PIL blend enhances H+ and OH? ions conductivity, are provided. In particular, the blend membrane includes polybenzimidazole (PBI) and poly (diallyl dimethyl ammonium) trifluoromethane sulphonate with enhanced proton and hydroxyl ion conductivity.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: May 30, 2017
    Assignee: Council Of Scientific And Industrial Research
    Inventors: Ulhas Kanhaiyalal Kharul, Sreekumar Kurungot, Anita Sanwarmal Rewar, Harshal Dilip Chaudhari
  • Patent number: 9637388
    Abstract: The present invention discloses a simple and easily scalable process for preparation of two potentially value added carbonaceous materials from graphene. The invention further discloses simultaneous preparation of graphene quantum dots (GQDs,) and porous graphene (pGr) from graphene. The invention further relates to nitrogen doped porous graphene having excellent activity towards electrochemical oxygen reduction reaction (ORR).
    Type: Grant
    Filed: May 26, 2014
    Date of Patent: May 2, 2017
    Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Sreekumar Kurungot, Thangavelu Palaniselvam
  • Publication number: 20160340484
    Abstract: Blend membranes based on polybenzimidazole (PBI) and polymeric ionic liquids (PILs), wherein said PBI and aliphatic PIL blend enhances H+ and OH? ions conductivity, are provided. In particular, the blend membrane includes polybenzimidazole (PBI) and poly (diallyl dimethyl ammonium) trifluoromethane sulphonate with enhanced proton and hydroxyl ion conductivity.
    Type: Application
    Filed: January 21, 2015
    Publication date: November 24, 2016
    Inventors: Ulhas Kanhaiyalal KHARUL, Sreekumar KURUNGOT, Anita Sanwarmal REWAR, Harshal Dilip CHAUDHARI
  • Patent number: 9490488
    Abstract: PBI-based MEAs for high temperature Polymer Electrolyte Membrane Fuel Cell (PEMFC) were prepared by direct hot pressing of catalyst layer on Teflon sheets on to both sides of phosphoric acid doped PBI membrane (decal transfer). These MEAs show two times higher performance compared to the MEAs prepared by normal brush coating method on GDL at an operating temperature of 160° C.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: November 8, 2016
    Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Vijayamohanan Kunju Krishna Pillai, Ulhas Kanhaiyalal Kharul, Sreekumar Kurungot, Harshal Dilip Chaudhari, Sreekuttan Maraveedu Unni, Bipinlal Unni, Husain Noman Kagalwala
  • Publication number: 20160315343
    Abstract: The present invention discloses a process for the preparation of poly-benzimidazole (PBI) based membrane electrode assembly (MEA) with improved fuel cell performance and stability. It discloses a simple strategy to overcome the leaching of phosphoric acid (PA) from the membrane during fuel cell operation by an in-situ Current-Voltage (I-V) assisted doping of membrane with PA. The invention provides an improved method for the preparation of membrane electrode assembly (MEA) wherein said MEA possess high stability and improved fuel cell performance achieved by overcoming the leaching of phosphoric acid during cell operation.
    Type: Application
    Filed: December 9, 2014
    Publication date: October 27, 2016
    Inventors: Sreekumar KURUNGOT, Rajith ILLATHVALAPPIL, Siddheshwar Navanath BHANGE, Sreekuttan Maraveedu UNNI
  • Publication number: 20160240861
    Abstract: Nitrogen doped carbon nanohorns function as efficient metal-free oxygen reduction electrocatalysts for anion exchange membrane fuel cells. The disclosure relates to a process for the preparation of nitrogen doped carbon nanohorns with enhanced conductivity and improved surface area.
    Type: Application
    Filed: October 22, 2014
    Publication date: August 18, 2016
    Inventors: Sreekumar KURUNGOT, Sreekuttan MARAVEEDU UNNI, Sarath RAMADAS
  • Publication number: 20160211529
    Abstract: The present invention relates to an efficient, non-metal, N-doped porous carbon electrocatalyst for oxygen reduction reaction and a process for the preparation of using g-C3N4 as a nitrogen precursor, metal organic frameworks (MOF) as a carbon template having high specific surface area, large number of active sites and large pore volume.
    Type: Application
    Filed: September 19, 2014
    Publication date: July 21, 2016
    Inventors: Sreekumar KURUNGOT, Rahul BANERJEE, Sekar PANDIARAJ, Harshitha Barike AIYAPPA,
  • Publication number: 20160130151
    Abstract: The present invention discloses a simple and easily scalable process for preparation of two potentially value added carbonaceous materials from graphene. The invention further discloses simultaneous preparation of graphene quantum dots (GQDs,) and porous graphene (pGr) from graphene. The invention further relates to nitrogen doped porous graphene having excellent activity towards electrochemical oxygen reduction reaction (ORR).
    Type: Application
    Filed: May 26, 2014
    Publication date: May 12, 2016
    Inventors: Sreekumar KURUNGOT, Thangavelu PALANISELVAM