Patents by Inventor Cagdas CETIN

Cagdas CETIN 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).

  • Monolithic and fractal carbon foams and methods of preparing and using same
    Patent number: 11858812
    Abstract: A monolithic carbon foam formed of fused onion-like carbon (OLC) nanoparticles, in which the monolithic carbon foam contains interconnected pores, has a volumetric micropore surface area of 200 m2/cc-600 m2/cc, and has an electrical conductivity of 20 s/cm-140 s/cm. Also disclosed are electrodes and energy storage devices constructed therefrom.
    Type: Grant
    Filed: November 24, 2021
    Date of Patent: January 2, 2024
    Assignee: National University of Singapore
    Inventors: Barbaros Oezyilmaz, Jonghak Lee, Clarissa Chui Ling Wong, Cagdas Cetin, Xiao Feng Lim, Yong Kang Ong
  • ELECTRODE, ELECTROCHEMICAL CELL AND METHODS OF FORMING THE SAME
    Publication number: 20220367870
    Abstract: Various embodiments may relate to an electrode. The electrode may include an electrode core including an electrode active material. The electrode may also include one or more monolayer amorphous films. Each of the one or more monolayer amorphous films may be a continuous layer surrounding the electrode core.
    Type: Application
    Filed: September 30, 2020
    Publication date: November 17, 2022
    Applicant: NATIONAL UNIVERSITY OF SINGAPORE
    Inventors: Barbaros OEZYILMAZ, Cagdas CETIN, Chee Tat TOH, Irfan Haider ABIDI, Pieremanuele CANEPA, Xiao Feng LIM
  • MONOLITHIC AND FRACTAL CARBON FOAMS AND METHODS OF PREPARING AND USING SAME
    Publication number: 20220219987
    Abstract: A monolithic carbon foam formed of fused onion-like carbon (OLC) nanoparticles, in which the monolithic carbon foam contains interconnected pores, has a volumetric micropore surface area of 200 m2/cc-600 m2/cc, and has an electrical conductivity of 20 cm- 140 S/cm. Also disclosed are a fractal carbon foam prepared from the monolithic carbon foam, methods of preparing both foams, and supercapacitors constructed therefrom. Specifically, the methods of preparing the foams comprising, inter alia, spark plasma sintering the OLC nanoparticles at a pressure of 30 MPa-1000 MPa and a temperature of 300° C.-800° C. for 2 seconds-30 minutes.
    Type: Application
    Filed: May 13, 2020
    Publication date: July 14, 2022
    Inventors: Barbaros Oezyilmaz, Jonghak Lee, Clarissa Chui Ling Wong, Cagdas Cetin, Xiao Feng Lim, Yong Kang Ong
  • MONOLITHIC AND FRACTAL CARBON FOAMS AND METHODS OF PREPARING AND USING SAME
    Publication number: 20220081299
    Abstract: A monolithic carbon foam formed of fused onion-like carbon (OLC) nanoparticles, in which the monolithic carbon foam contains interconnected pores, has a volumetric micropore surface area of 200 m2/cc-600 m2/cc, and has an electrical conductivity of 20 s/cm-140 s/cm. Also disclosed are electrodes and energy storage devices constructed therefrom.
    Type: Application
    Filed: November 24, 2021
    Publication date: March 17, 2022
    Inventors: Barbaros Oezyilmaz, Jonghak Lee, Clarissa Chui Ling Wong, Cagdas Cetin, Xiao Feng Lim, Yong Kang Ong
  • Two dimensional amorphous carbon as overcoat for heat assisted magnetic recording media
    Patent number: 10984830
    Abstract: A recording device comprising an overcoat layer, wherein the overcoat layer comprises an amorphous carbon overcoat layer having a crystallinity (C)?0.8.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: April 20, 2021
    Assignee: The National University of Singapore
    Inventors: Barbaros Ozyilmaz, Chee-Tat Toh, Hongji Zhang, Alexander Mayorov, Darim Badur Ferry, Henrik Andersen, Cagdas Cetin, Irfan Haider Abidi
  • TWO DIMENSIONAL AMORPHOUS CARBON AS OVERCOAT FOR HEAT ASSISTED MAGNETIC RECORDING MEDIA
    Publication number: 20190080713
    Abstract: A recording device comprising an overcoat layer, wherein the overcoat layer comprises an amorphous carbon overcoat layer having a crystallinity (C)?0.8.
    Type: Application
    Filed: November 6, 2018
    Publication date: March 14, 2019
    Inventors: Barbaros OZYILMAZ, Chee-Tat TOH, Hongji ZHANG, Alexander MAYOROV, Darim Badur FERRY, Henrik ANDERSEN, Cagdas CETIN, Irfan Haider ABIDI