Patents by Inventor Miodrag Oljaca

Miodrag Oljaca 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).

  • Patent number: 10971730
    Abstract: An electrode for an energy storage device includes carbon black particles having (a) a Brunauer-Emmett-Teller (BET) surface area ranging from 70 to 120 m2/g; (b) an oil absorption number (OAN) ranging from 180 to 310 mL/100 g; (c) a surface energy less than or equal to 15 mJ/m2; and (d) either an La crystallite size less than or equal to 29 ?, or a primary particle size less than or equal to 24 nm.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: April 6, 2021
    Assignee: Cabot Corporation
    Inventors: Andriy Korchev, Aurelien L. DuPasquier, Miodrag Oljaca, Geoffrey D. Moeser
  • Patent number: 10886535
    Abstract: An electrode, includes an electrically conductive substrate; and a composition supported by a surface of the electrically conductive substrate, the composition comprising carbon black particles having a Brunauer-Emmett-Teller (BET) surface area ranging from 80 m2/g to 1100 m2/g, an oil absorption number equal to or less than 300 mL/100 g, a surface energy of 10 mJ/m2 or less, and a particle size distribution with a D50 value equal to or less than 165 nm.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: January 5, 2021
    Assignee: CABOT CORPORATION
    Inventors: Andriy Korchev, Aurelien L. DuPasquier, Miodrag Oljaca, Geoffrey D. Moeser
  • Publication number: 20200056050
    Abstract: A composition, includes: carbon black particles having a surface energy less than 5 mJ/m2; graphite particles having a BET surface area greater than 5 m2/g and more than about 50 graphitic layers, wherein the ratio of the carbon black particles to the graphite particles ranges from 0.25:1 to 4:1 by weight; and a liquid medium.
    Type: Application
    Filed: August 1, 2019
    Publication date: February 20, 2020
    Inventors: Paolina Atanassova, Aurelien DuPasquier, Deanna Lanigan, Miodrag Oljaca
  • Publication number: 20190386313
    Abstract: An electrode for an energy storage device includes carbon black particles having (a) a Brunauer-Emmett-Teller (BET) surface area ranging from 70 to 120 m2/g; (b) an oil absorption number (OAN) ranging from 180 to 310 mL/100 g; (c) a surface energy less than or equal to 15 mJ/m2; and (d) either an La crystallite size less than or equal to 29 ?, or a primary particle size less than or equal to 24 nm.
    Type: Application
    Filed: July 1, 2019
    Publication date: December 19, 2019
    Inventors: Andriy Korchev, Aurelien L. DuPasquier, Miodrag Oljaca, Geoffrey D. Moeser
  • Publication number: 20190372121
    Abstract: Compositions that can be used in producing electrodes (e.g., battery electrodes) and related methods are disclosed. As one example, a composition, includes carbonaceous particles; a dispersant; a polymer comprising a maleic anhydride moiety; and a solvent. The carbonaceous particles can include carbon black, graphite, acetylene black, graphenes, graphenes-related materials, carbon nanotubes, carbon nanostructures, activated carbons, carbon aerogels, templated carbons, and/or carbon fibers.
    Type: Application
    Filed: May 23, 2019
    Publication date: December 5, 2019
    Inventors: Wei-Fu Chen, Andriy Korchev, Peter B. Laxton, Katherine Mullinax, Qian Ni, Miodrag Oljaca
  • Patent number: 10367202
    Abstract: An electrode for an energy storage device includes carbon black particles having (a) a Brunauer-Emmett-Teller (BET) surface area ranging from 70 to 120 m2/g; (b) an oil absorption number (OAN) ranging from 180 to 310 mL/100 g; (c) a surface energy less than or equal to 15 mJ/m2; and (d) either an La crystallite size less than or equal to 29 ?, or a primary particle size less than or equal to 24 nm.
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: July 30, 2019
    Assignee: Cabot Corporation
    Inventors: Andriy Korchev, Aurelien L. DuPasquier, Miodrag Oljaca, Geoffrey D. Moeser
  • Publication number: 20180366772
    Abstract: An electrode includes a first lithium ion-based electroactive material; first carbon black particles having a first oil absorption number; and second carbon black particles different from the first carbon black particles, the second carbon black particles having a second oil absorption number larger than the first oil absorption number. Other electrodes and methods of making electrodes are also disclosed.
    Type: Application
    Filed: June 15, 2018
    Publication date: December 20, 2018
    Applicant: CABOT CORPORATION
    Inventors: Aurelien L. DuPasquier, Peter B. Laxton, Miodrag Oljaca, Andriy Korchev
  • Publication number: 20180366734
    Abstract: An electrode, includes an electrically conductive substrate; and a composition supported by a surface of the electrically conductive substrate, the composition comprising carbon black particles having a Brunauer-Emmett-Teller (BET) surface area ranging from 80 m2/g to 1100 m2/g, an oil absorption number equal to or less than 300 mL/100 g, a surface energy of 10 mJ/m2 or less, and a particle size distribution with a D50 value equal to or less than 165 nm.
    Type: Application
    Filed: June 15, 2018
    Publication date: December 20, 2018
    Applicant: CABOT CORPORATION
    Inventors: Andriy Korchev, Aurelien L. DuPasquier, Miodrag Oljaca, Geoffrey D. Moeser
  • Patent number: 10135071
    Abstract: Disclosed herein are cathode formulations comprising a lithium ion-based electroactive material and a carbon black having a BET surface area ranging from 130 to 700 m2/g and a ratio of STSA/BET ranging from 0.5 to 1. Also disclosed are cathodes comprising the cathode formulations, electro-chemical cells comprising the cathodes, and methods of making the cathode formulations and cathodes.
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: November 20, 2018
    Assignee: Cabot Corporation
    Inventors: Berislav Blizanac, Aurelien L. DuPasquier, Miodrag Oljaca
  • Publication number: 20180218848
    Abstract: A supercapacitor includes an electrode comprising activated carbon and carbon black particles containing less than or equal to about 100 ppm of calcium. A method includes treating base carbon black particles to form treated carbon black particles containing less than or equal to about 100 ppm of calcium; and using the treated carbon black particles to form an electrode of a supercapacitor. Carbon black particles having a Brunauer, Emmett and Teller (BET) surface area ranging from 650 m2/g to 2,050 m2/g, and comprising less than or equal to about 100 ppm of calcium.
    Type: Application
    Filed: January 23, 2018
    Publication date: August 2, 2018
    Inventors: Aurelien L. DuPasquier, Jeffrey Scott Sawrey, Derek Li, Paolina Atanassova, Miodrag Oljaca
  • Publication number: 20170373312
    Abstract: Disclosed herein are electrode compositions comprising a homogeneous mixture comprising: a lead-containing material and a carbon additive comprising carbon black and activated carbon. A total amount of the carbon additive ranges from 0.1% to 2% by weight, relative to the total weight of the composition. The composition can have a ratio of carbon black to activated carbon ranging from 0.1:0.9 to 0.5:0.5. The activated carbon can have a d50 particle size distribution ranging from 4 ?m to 100 ?m, and a pore volume of at least 0.7 cm3/g. Also disclosed are electrodes formed from the electrode composition, cells (e.g., lead-acid battery) comprising the electrodes/electrode compositions, and methods of making thereof.
    Type: Application
    Filed: February 21, 2017
    Publication date: December 28, 2017
    Inventors: Paolina Atanassova, Aurelien L. DuPasquier, Miodrag Oljaca
  • Publication number: 20170324096
    Abstract: An electrode for an energy storage device includes carbon black particles having (a) a Brunauer-Emmett-Teller (BET) surface area ranging from 70 to 120 m2/g; (b) an oil absorption number (OAN) ranging from 180 to 310 mL/100 g; (c) a surface energy less than or equal to 15 mJ/m2; and (d) either an La crystallite size less than or equal to 29 ?, or a primary particle size less than or equal to 24 nm.
    Type: Application
    Filed: May 4, 2017
    Publication date: November 9, 2017
    Inventors: Andriy Korchev, Aurelien L. DuPasquier, Miodrag Oljaca, Geoffrey D. Moeser
  • Patent number: 9722248
    Abstract: Disclosed herein are cathode formulations comprising graphenes. One embodiment provides a cathode formulation comprising an electroactive material, and graphene interspersed with the electroactive material, wherein a ratio of (mean electroactive material domain size)/(mean graphene lateral domain size) ranges from 3:2 to 15:1. Also disclosed are cathodes comprising such materials and methods of making such cathodes.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: August 1, 2017
    Assignee: Cabot Corporation
    Inventors: Ned J. Hardman, Berislav Blizanac, Aurelien L. DuPasquier, Miodrag Oljaca, Agathagelos Kyrlidis
  • Patent number: 9533523
    Abstract: The invention relates to a reflective feature, e.g., reflective security feature or reflective decorative feature, comprising a first element at least partially coplanar with a second element. The first element causes incident light to be reflected with a first intensity that varies as the angle of incidence changes relative to a surface of the reflective feature. The invention also relates to a direct write printing process for forming such a reflective feature from an ink comprising metallic nanoparticles.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: January 3, 2017
    Assignee: SICPA HOLDING SA
    Inventors: Richard Einhorn, Mark Hampden-Smith, Miodrag Oljaca, Jainisha Shah
  • Patent number: 9368787
    Abstract: A paste suitable for a negative plate of a lead-acid battery, the paste comprising lead oxide and carbon black, wherein the carbon black has the following properties: (a) a BET surface area between about 100 and about 2100 m2/g; and (b) an oil adsorption number (OAN) in the range of about 35 to about 360 cc/100 g, provided that the oil absorption number is less than the 0.14Ă—the BET surface area+65.
    Type: Grant
    Filed: January 8, 2015
    Date of Patent: June 14, 2016
    Assignee: Cabot Corporation
    Inventors: Paolina Atanassova, Berislav Blizanac, Miodrag Oljaca, Toivo T. Kodas, Geoffrey D. Moeser, Pavel A. Kossyrev, Ned J. Hardman
  • Publication number: 20160118667
    Abstract: Disclosed herein are cathode formulations comprising a lithium ion-based electroactive material and a carbon black having a BET surface area ranging from 130 to 700 m2/g and a ratio of STSA/BET ranging from 0.5 to 1. Also disclosed are cathodes comprising the cathode formulations, electro-chemical cells comprising the cathodes, and methods of making the cathode formulations and cathodes.
    Type: Application
    Filed: June 19, 2014
    Publication date: April 28, 2016
    Inventors: Berislav Blizanac, Aurelien L. DuPasquier, Miodrag Oljaca
  • Publication number: 20160118668
    Abstract: Disclosed herein are compositions comprising: a carbon additive prewetted with an acid (e.g., H2SO4); and a lead-containing material. Also disclosed are methods of making such compositions, and pastes and electrodes made therefrom.
    Type: Application
    Filed: September 28, 2015
    Publication date: April 28, 2016
    Inventors: Aurelien L. DuPasquier, Paolina Atanassova, David V. Miller, Miodrag Oljaca
  • Patent number: 9287565
    Abstract: A carbon black having a combination of properties with values in ranges selected to promote high conductivity, high hydrophobicity, and reduced outgassing in lead acid batteries while maintaining high charge acceptance and cycleability. The carbon black has a Brunauer-Emmett-Teller (BET) surface area ranging from 100 m2/g to 1100 m2/g combined with one or more properties, e.g., a surface energy (SE) of 10 mJ/m2 or less, and/or a Raman microcrystalline planar size (La) of at least 22 ?, e.g., ranging from 22 ? to 50 ?. In some cases, the carbon black has a statistical thickness surface area (STSA) of at least 100 m2/g, e.g., ranging from 100 m2/g to 600 m2/g.
    Type: Grant
    Filed: April 4, 2013
    Date of Patent: March 15, 2016
    Assignee: Cabot Corporation
    Inventors: Paolina Atanassova, Berislav Blizanac, Kenneth C. Koehlert, Geoffrey D. Moeser, Miodrag Oljaca, Yipeng Sun, Danny Pierre, Jeffrey S. Sawrey
  • Patent number: 9281520
    Abstract: A paste suitable for a negative plate of a lead-acid battery comprises at least (a) a lead-based active material and an expander mixture comprising (b) carbon, (c) barium sulfate and (d) a lignosulfonate, wherein at least part of at least two of said components (a) to (d) are present in the paste as composite particles.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: March 8, 2016
    Assignee: Cabot Corporation
    Inventors: Paolina Atanassova, Yipeng Sun, Berislav Blizanac, Toivo Kodos, Mark J. Hampden-Smith, Miodrag Oljaca
  • Publication number: 20150357643
    Abstract: Disclosed herein are electrode compositions comprising a homogeneous mixture comprising: a lead-containing material and a carbon additive comprising carbon black and activated carbon. A total amount of the carbon additive ranges from 0.1% to 2% by weight, relative to the total weight of the composition. The composition can have a ratio of carbon black to activated carbon ranging from 0.1:0.9 to 0.5:0.5. The activated carbon can have a d50 particle size distribution ranging from 4 ?m to 100 ?m, and a pore volume of at least 0.7 cm3/g. Also disclosed are electrodes formed from the electrode composition, cells (e.g., lead-acid battery) comprising the electrodes/electrode compositions, and methods of making thereof.
    Type: Application
    Filed: May 19, 2015
    Publication date: December 10, 2015
    Inventors: Paolina Atanassova, Aurelien L. DuPasquier, Miodrag Oljaca