Patents by Inventor Mariappan Parans Paranthaman

Mariappan Parans Paranthaman 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: 20190260026
    Abstract: A method of recovering carbon black includes the step of providing a carbonaceous source material containing carbon black. The carbonaceous source material is contacted with a sulfonation bath to produce a sulfonated material. The sulfonated material is pyrolyzed to produce a carbon black containing product comprising a glassy carbon matrix phase having carbon black dispersed therein. The pyrolysis can be conducted at a temperature from 1100° C. to 1490° C. A method of making a battery electrode and a lithium ion or sodium ion battery is also disclosed.
    Type: Application
    Filed: May 6, 2019
    Publication date: August 22, 2019
    Inventors: Amit K. Naskar, Mariappan Parans Paranthaman
  • Patent number: 10355268
    Abstract: A carbon-metal oxide composite material comprising: (i) carbon-carbon composite particles in which an amorphous carbon black core is bonded to crystalline graphitic carbon shells; and (ii) a metal oxide material bonded with said carbon-carbon composite particles, wherein said metal oxide material is included in an amount of at least about 10 wt. % by weight of said carbon-carbon composite particles and metal oxide material. Alkali-ion batteries containing the above-described composite as anode are also described. Methods for producing the above-described composite are also described. The method can include, for example, subjecting pulverized rubber tire waste to a sulfonation process and pyrolyzing the sulfonated rubber to produce the carbon-carbon composite particles, as described above, followed by admixing and compounding a metal oxide material with the carbon-carbon composite particles.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: July 16, 2019
    Assignees: UT-Battelle, LLC, University of Tennesse Research Foundation
    Inventors: Yunchao Li, Mariappan Parans Paranthaman, Amit K. Naskar, Kokouvi M. Akato
  • Patent number: 10320000
    Abstract: A method of recovering carbon black includes the step of providing a carbonaceous source material containing carbon black. The carbonaceous source material is contacted with a sulfonation bath to produce a sulfonated material. The sulfonated material is pyrolyzed to produce a carbon black containing product comprising a glassy carbon matrix phase having carbon black dispersed therein. The pyrolysis can be conducted at a temperature from 1100° C. to 1490° C. A method of making a battery electrode and a lithium ion or sodium ion battery is also disclosed.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: June 11, 2019
    Assignee: UT-BATTELLE, LLC
    Inventors: Amit K. Naskar, Mariappan Parans Paranthaman
  • Patent number: 10266915
    Abstract: A solid particulate composition useful in extracting a lithium salt from aqueous solutions, the composition comprising lithium, metal atoms, oxygen atoms, and at least one anionic species (X) selected from halide, nitrate, sulfate, carbonate and bicarbonate, all in a framework structure, wherein said metal atoms are selected from at least one of oxophilic main group metal and oxophilic transition metal atoms, provided that, if the metal atoms comprise aluminum atoms, then at least 10 mol % of said aluminum atoms are substituted with at least one metal atom selected from said at least one oxophilic main group and oxophilic transition metal atoms, other than aluminum, and wherein said lithium is present in said composition in an amount less than a saturated amount in order to permit extraction of lithium salt. Methods for extracting and recovering a lithium salt from an aqueous solution by use of the above-described composition are also described.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: April 23, 2019
    Assignees: UT-Battelle, LLC, Alger Alternative Energy, LLC
    Inventors: Mariappan Parans Paranthaman, Ramesh R. Bhave, Bruce A. Moyer, Stephen Harrison
  • Patent number: 10179313
    Abstract: Superhydrophobic membrane structures having a beneficial combination of throughput and a selectivity. The membrane structure can include a porous support substrate; and a membrane layer adherently disposed on and in contact with the porous support substrate. The membrane layer can include a nanoporous material having a superhydrophobic surface. The superhydrophobic surface can include a textured surface, and a modifying material disposed on the textured surface. Methods of making and using the membrane structures.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: January 15, 2019
    Assignee: UT-BATTELLE, LLC
    Inventors: Michael Z. Hu, John T. Simpson, Tolga Aytug, Mariappan Parans Paranthaman, Matthew R. Sturgeon
  • Patent number: 10128489
    Abstract: Compositions and methods of making are provided for surface modified electrodes and batteries comprising the same. The compositions may comprise a base composition having an active material capable of intercalating the metal ions during a discharge cycle and deintercalating the metal ions during a charge cycle, wherein the active material is selected from the group consisting of LiCoO2, LiMn2O4, Li2MnO3, LiNiO2, LiMn1.5Ni0.5O4, LiFePO4, Li2FePO4F, Li3CoNiMnO6, Li(LiaNixMnyCoz)O2, LiaMn1.5-bNi0.5-cMdO4-x, and mixtures thereof. The compositions may also comprise an annealed composition covering a portion of the base composition, formed by a reaction of the base composition in a reducing atmosphere. The methods of making comprise providing the base composition and annealing the base electrode in a reducing atmosphere.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: November 13, 2018
    Assignee: UT-BATTELLE, LLC
    Inventors: Mariappan Parans Paranthaman, Craig A. Bridges, Sukeun Yoon
  • Publication number: 20180316011
    Abstract: Compositions and methods of making compositions are provided for nitride- and/or oxide-modified electrode compositions. In certain embodiments, the nitride- and/or oxide-modified compositions have the general formula M1-zM?zOaF3-xNy. Such compositions may be used as bulk or surface compositions, and used in a battery as the anode or cathode. In other embodiments, the electrode includes a surface coating composition selected from metal nitrides and metal oxides, and a core composition having the formula M1-zM?zOaF3-x, or an oxide fluoride.
    Type: Application
    Filed: July 2, 2018
    Publication date: November 1, 2018
    Applicant: UT-BATTELLE, LLC
    Inventors: Craig A. Bridges, Mariappan Parans Paranthaman, Gabriel M. Veith, Zhonghe Bi
  • Publication number: 20180236724
    Abstract: A magnetic ink composition for three-dimensional (3D) printing a bonded magnet is provided. The magnetic ink composition includes magnetic particles, a polymer binder and a solvent. A 3D printing method for fabrication of a bonded magnet using the magnetic ink composition is also provided.
    Type: Application
    Filed: February 22, 2017
    Publication date: August 23, 2018
    Inventors: Brett G. Compton, Mariappan Parans Paranthaman, Orlando Rios, Cajetan I. Nlebedim
  • Publication number: 20180229442
    Abstract: A method for producing a bonded permanent magnet, comprising: (i) incorporating a solid precursor material comprising a thermoplastic crosslinkable polymer and magnetic particles into an additive manufacturing device, wherein the crosslinkable polymer has a delayed crosslinking ability; (ii) melting the precursor material by heating it to a temperature of at least and no more than 10° C. above its glass transition temperature; (iii) extruding the melt through the additive manufacturing device and, as the extrudate exits from the nozzle and is deposited on a substrate as a solidified preform of a desired shape, exposing the resultant extrudate to a directional magnetic field of sufficient strength to align the magnetic particles; and (iv) curing the solidified preform by subjecting it to conditions that result in crosslinking of the thermoplastic crosslinkable polymer to convert it to a crosslinked thermoset. The resulting bonded permanent magnet and articles made thereof are also described.
    Type: Application
    Filed: February 14, 2017
    Publication date: August 16, 2018
    Inventors: Huseyin UCAR, Mariappan Parans PARANTHAMAN, Orlando RIOS, Belther Mojoko MONONO, Brian K. POST, Vlastimil KUNC, Cajetan I. NLEBEDIM, R. William MCCALLUM, Scott K. MCCALL
  • Patent number: 10044038
    Abstract: Compositions and methods of making compositions are provided for nitride- and/or oxide-modified electrode compositions. In certain embodiments, the nitride- and/or oxide-modified compositions have the general formula M1?zM?zOaF3?xNy. Such compositions may be used as bulk or surface compositions, and used in a battery as the anode or cathode. In other embodiments, the electrode includes a surface coating composition selected from metal nitrides and metal oxides, and a core composition having the formula M1?zM?zOaF3?x, or an oxide fluoride.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: August 7, 2018
    Assignee: UT-Battelle, LLC
    Inventors: Craig A. Bridges, Mariappan Parans Paranthaman, Gabriel M. Veith, Zhonghe Bi
  • Publication number: 20180204687
    Abstract: A method of making a supercapacitor from waste tires, includes the steps of providing rubber pieces and contacting the rubber pieces with a sulfonation bath to produce sulfonated rubber; pyrolyzing the sulfonated rubber to produce a tire-derived carbon composite comprising carbon black embedded in rubber-derived carbon matrix comprising graphitized interface portions; activating the tire-derived carbon composite by contacting the tire-derived carbon composite with a specific surface area-increasing composition to increase the specific surface area of the carbon composite to provide an activated tire-derived carbon composite; and, mixing the activated tire-derived carbon composite with a monomer and polymerizing the monomer to produce a redox-active polymer coated, activated tire-derived carbon composite. The redox-active polymer coated, activated tire-derived carbon composite can be formed into a film. An electrode and a supercapacitor are also disclosed.
    Type: Application
    Filed: March 16, 2018
    Publication date: July 19, 2018
    Applicant: DREXEL UNIVERSITY
    Inventors: Amit K. NASKAR, Mariappan Parans PARANTHAMAN, Muhammad BOOTA, Yury Gogotsi
  • Patent number: 10020493
    Abstract: Compositions and methods of making are provided for coated electrodes and batteries comprising the same. The compositions may comprise a base composition having an active material selected from the group consisting of LiCoO2, LiMn2O4, Li2MnO3, LiNiO2, LiMn1.5Ni0.5O4, LiFePO4, Li2FePO4F, Li3CoNiMnO6, Li(LiaNixMnyCoz)O2, and mixtures thereof. The compositions may also comprise a coating composition that covers at least a portion of the base composition, wherein the coating composition comprises a non-metal or metalloid element. The methods of making comprise providing the base composition and a doped carbon coating composition, and mixing the coating composition with the base electrode composition at an elevated temperature in a flowing inert gas atmosphere.
    Type: Grant
    Filed: October 5, 2012
    Date of Patent: July 10, 2018
    Assignee: UT-Battelle, LLC
    Inventors: Mariappan Parans Paranthaman, Craig A. Bridges, Sukeun Yoon, Xiao-Guang Sun, Sheng Dai
  • Patent number: 9997802
    Abstract: Compositions and methods of making are provided for a high energy density lithium-aluminum battery. The battery comprises an anode comprising aluminum metal. The battery further comprises a cathode comprising a lithium metal oxide. The battery further comprises an electrolyte capable of supporting reversible deposition and stripping of aluminum at the anode, and reversible intercalation and deintercalation of lithium at the cathode.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: June 12, 2018
    Assignee: UT-Battelle, LLC
    Inventors: Gilbert M. Brown, Mariappan Parans Paranthaman, Sheng Dai, Xiao-Guang Sun, Hansan Liu
  • Publication number: 20180117818
    Abstract: A method for producing magnet-polymer pellets useful as a feedstock in an additive manufacturing process, comprising: (i) blending thermoplastic polymer and hard magnetic particles; (ii) feeding the blended magnet-polymer mixture into a pre-feed hopper that feeds directly into an inlet of a temperature-controlled barrel extruder; (iii) feeding the blended magnet-polymer mixture into the barrel extruder at a fixed feed rate of 5-20 kg/hour, wherein the temperature at the outlet is at least to no more than 10° C. above a glass transition temperature of the blended magnet-polymer mixture; (iv) feeding the blended magnet-polymer mixture directly into an extruding die; (v) passing the blended magnet-polymer mixture through the extruding die at a fixed speed; and (vi) cutting the magnet-polymer mixture at regular intervals as the mixture exits the extruding die at the fixed speed. The use of the pellets as feed material in an additive manufacturing process is also described.
    Type: Application
    Filed: October 27, 2017
    Publication date: May 3, 2018
    Inventors: Mariappan Parans PARANTHAMAN, Ling LI, Vlastimil KUNC, Brian K. POST, Orlando RIOS, Robert H. FREDETTE, John ORMEROD
  • Publication number: 20180122570
    Abstract: A method for producing a bonded permanent magnet by additive manufacturing, comprising: (i) incorporating components of a solid precursor material into at least one deposition head of at least one multi-axis robotic arm of a big area additive manufacturing (BAAM) system, the components of the solid precursor material comprising a thermoplastic polymer and hard magnetic powder; said deposition head performs melting, compounding, and extruding functions; and said BAAM system has an unbounded open-air build space; and (ii) depositing an extrudate of said solid precursor material layer-by-layer from said deposition head until an object constructed of said extrudate is formed, and allowing the extrudate to cool and harden after each deposition, to produce the bonded permanent magnet. The resulting bonded permanent magnet and articles made thereof are also described.
    Type: Application
    Filed: October 27, 2017
    Publication date: May 3, 2018
    Inventors: Ling LI, Mariappan Parans PARANTHAMAN, Vlastimil KUNC, Brian K. POST, Orlando RIOS, Robert H. FREDETTE, John ORMEROD, Cajetan Ikenna NLEBEDIM, Thomas LOGRASSO
  • Patent number: 9941058
    Abstract: A method of making a supercapacitor from waste tires, includes the steps of providing rubber pieces and contacting the rubber pieces with a sulfonation bath to produce sulfonated rubber; pyrolyzing the sulfonated rubber to produce a tire-derived carbon composite comprising carbon black embedded in rubber-derived carbon matrix comprising graphitized interface portions; activating the tire-derived carbon composite by contacting the tire-derived carbon composite with a specific surface area-increasing composition to increase the specific surface area of the carbon composite to provide an activated tire-derived carbon composite; and, mixing the activated tire-derived carbon composite with a monomer and polymerizing the monomer to produce a redox-active polymer coated, activated tire-derived carbon composite. The redox-active polymer coated, activated tire-derived carbon composite can be formed into a film. An electrode and a supercapacitor are also disclosed.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: April 10, 2018
    Assignees: UT-BATTELLE, LLC, DREXEL UNIVERSITY
    Inventors: Amit K Naskar, Mariappan Parans Paranthaman, Muhammad Boota, Yury Gogotsi
  • Patent number: 9884804
    Abstract: A method of making solid acid catalysts includes the step of sulfonating waste tire pieces in a first sulfonation step. The sulfonated waste tire pieces are pyrolyzed to produce carbon composite pieces having a pore size less than 10 nm. The carbon composite pieces are then ground to produce carbon composite powders having a size less than 50 ?m. The carbon composite particles are sulfonated in a second sulfonation step to produce sulfonated solid acid catalysts. A method of making biofuels and solid acid catalysts are also disclosed.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: February 6, 2018
    Assignees: UT-BATTELLE, LLC, UNIVERSITY OF TENNESSEE RESEARCH FOUNDATION
    Inventors: Zachary D. Hood, Shiba P. Adhikari, Marcus W. Wright, Abdessadek Lachgar, Yunchao Li, Amit K. Naskar, Mariappan Parans Paranthaman
  • Publication number: 20170342014
    Abstract: A method of making solid acid catalysts includes the step of sulfonating waste tire pieces in a first sulfonation step. The sulfonated waste tire pieces are pyrolyzed to produce carbon composite pieces having a pore size less than 10 nm. The carbon composite pieces are then ground to produce carbon composite powders having a size less than 50 ?m. The carbon composite particles are sulfonated in a second sulfonation step to produce sulfonated solid acid catalysts. A method of making biofuels and solid acid catalysts are also disclosed.
    Type: Application
    Filed: May 24, 2016
    Publication date: November 30, 2017
    Inventors: Zachary D. Hood, Shiba P. Adhikari, Marcus W. Wright, Abdessadek Lachgar, Yunchao Li, Amit K. Naskar, Mariappan Parans Paranthaman
  • Publication number: 20170298475
    Abstract: A solid particulate composition useful in extracting a lithium salt from aqueous solutions, the composition comprising lithium, metal atoms, oxygen atoms, and at least one anionic species (X) selected from halide, nitrate, sulfate, carbonate and bicarbonate, all in a framework structure, wherein said metal atoms are selected from at least one of oxophilic main group metal and oxophilic transition metal atoms, provided that, if the metal atoms comprise aluminum atoms, then at least 10 mol % of said aluminum atoms are substituted with at least one metal atom selected from said at least one oxophilic main group and oxophilic transition metal atoms, other than aluminum, and wherein said lithium is present in said composition in an amount less than a saturated amount in order to permit extraction of lithium salt. Methods for extracting and recovering a lithium salt from an aqueous solution by use of the above-described composition are also described.
    Type: Application
    Filed: April 14, 2016
    Publication date: October 19, 2017
    Inventors: Mariappan Parans PARANTHAMAN, Ramesh R. Bhave, Bruce A. Moyer, Stephen Harrison
  • Patent number: 9771656
    Abstract: This disclosure relates to methods that include depositing a first component and a second component to form a film including a plurality of nanostructures, and coating the nanostructures with a hydrophobic layer to render the film superhydrophobic. The first component and the second component can be immiscible and phase-separated during the depositing step. The first component and the second component can be independently selected from the group consisting of a metal oxide, a metal nitride, a metal oxynitride, a metal, and combinations thereof. The films can have a thickness greater than or equal to 5 nm; an average surface roughness (Ra) of from 90 to 120 nm, as measured on a 5 ?m×5 ?m area; a surface area of at least 20 m2/g; a contact angle with a drop of water of at least 120 degrees; and can maintain the contact angle when exposed to harsh conditions.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: September 26, 2017
    Assignee: UT-Battelle, LLC
    Inventors: Tolga Aytug, Mariappan Parans Paranthaman, John T. Simpson, Daniela Florentina Bogorin