Patents by Inventor Patrick G. Campbell
Patrick G. Campbell 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).
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Patent number: 11884002Abstract: Disclosed here is a method for making a three-dimensional micro-architected aerogel, comprising: (a) curing a reaction mixture comprising a co-sol-gel material (e.g., graphene oxide (GO)) and at least one catalyst to obtain a crosslinked co-sol-gel (e.g., GO hydrogel); (b) providing a photoresin comprising a solvent, a photoinitiator, a crosslinkable polymer precursor, and a dispersion of the crosslinked co-sol-gel (e.g., GO hydrogel); (c) curing the photoresin using projection microstereolithography layer-by-layer to produce a wet gel having a pre-designed three-dimensional structure; (d) drying the wet gel to produce a dry gel; and (e) pyrolyzing the dry gel to produce a three-dimensional micro-architected aerogel (e.g., graphene aerogel). Also disclosed is a photoresin for projection microstereolithography, comprising a solvent, a photoinitiator, a crosslinkable polymer precursor, and a dispersion of a crosslinked co-sol-gel.Type: GrantFiled: April 5, 2019Date of Patent: January 30, 2024Assignees: Lawrence Livermore National Security, LLC, Virginia Polytechnic Institute and State UniversityInventors: Marcus A. Worsley, Xiaoyu Zheng, Patrick G. Campbell, Eric Duoss, James Oakdale, Christopher Spadaccini, Ryan Hensleigh
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Patent number: 11880133Abstract: Disclosed here is a method for making an architected three-dimensional aerogel, comprising providing a photoresin comprising a solvent, a photoinitiator, a crosslinkable polymer precursor, and a precursor for graphene, metal oxide or metal chalcogenide; curing the photoresin using projection microstereolithography layer-by-layer to produce a wet gel having a pre-designed three dimensional structure; drying the wet gel to produce a dry gel; and pyrolyzing the dry gel to produce an architected three-dimensional aerogel. Also disclosure is a photoresin for projection microstereolithography, comprising a solvent, a photoinitiator, a crosslinkable polymer precursor, and graphene oxide.Type: GrantFiled: May 31, 2019Date of Patent: January 23, 2024Assignee: Lawrence Livermore National Security, LLCInventors: Marcus A Worsley, Patrick G. Campbell, Eric B. Duoss, James S. Oakdale, Christopher M. Spadaccini, Ryan Hensleigh
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Patent number: 11715607Abstract: Disclosed here is a method for producing a graphene macro-assembly (GMA)-fullerene composite, comprising providing a mixture of graphene oxide and water, adding a hydroxylated fullerene to the mixture, and forming a gel of the hydroxylated fullerene and the mixture. Also described are a GMA-fullerene composite produced, an electrode comprising the GMA-fullerene composite, and a supercapacitor comprising the electrode.Type: GrantFiled: July 2, 2021Date of Patent: August 1, 2023Assignee: Lawrence Livermore National Security, LLCInventors: Patrick G. Campbell, Monika M. Biener, Maira Raquel Ceron Hernandez
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Publication number: 20230151499Abstract: An advanced manufactured electrochemical reactor to convert air (N2+O2) to nitric acid (HNO3) and ammonia (NH3). The electrochemical reactor platform can be tailored via advanced manufacturing to improve activity, selectivity, energy efficiency and stability of the reactions.Type: ApplicationFiled: November 3, 2022Publication date: May 18, 2023Inventors: Jeremy Taylor Feaster, Roger D. Aines, Sneha Anil Akhade, Sarah E. Baker, Patrick G. Campbell, Maira R. Cerón Hernández, Jonathan Tesner Davis, Eric B. Duoss
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Publication number: 20220332609Abstract: Disclosed here is a capacitive deionization device for removing ions from a target solution. The capacitive deionization device includes a first porous electrode, a second porous electrode, a first header plate, a second header plate, and a sealant. The second porous electrode is disposed below and spaced from the first porous electrode. The first header plate is disposed on the first porous electrode. The first header plate defines an input flow channel that is in fluidic communication with the first porous electrode. The second header plate is disposed below the second porous electrode. The second header plate defines an output flow channel that is in fluidic communication with the second porous electrode. The sealant is disposed between the first header plate and the second header plate and surrounds the first porous electrode and the second porous electrode.Type: ApplicationFiled: June 30, 2022Publication date: October 20, 2022Inventors: Patrick G. Campbell, Jennifer M. Knipe, Michael Stadermann
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Patent number: 11407663Abstract: Disclosed here is a capacitive deionization device for removing ions from a target solution. The capacitive deionization device includes a first porous electrode, a second porous electrode, a first header plate, a second header plate, and a sealant. The second porous electrode is disposed below and spaced from the first porous electrode. The first header plate is disposed on the first porous electrode. The first header plate defines an input flow channel that is in fluidic communication with the first porous electrode. The second header plate is disposed below the second porous electrode. The second header plate defines an output flow channel that is in fluidic communication with the second porous electrode. The sealant is disposed between the first header plate and the second header plate and surrounds the first porous electrode and the second porous electrode.Type: GrantFiled: November 10, 2017Date of Patent: August 9, 2022Assignee: Lawrence Livermore National Security, LLCInventors: Patrick G. Campbell, Jennifer M. Knipe, Michael Stadermann
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Patent number: 11376657Abstract: Disclosed here is a method for making a nanoporous material, comprising aerosolizing a solution comprising at least one metal salt and at least one solvent to obtain an aerosol, freezing the aerosol to obtain a frozen aerosol, and drying the frozen aerosol to obtain a nanoporous metal compound material. Further, the nanoporous metal compound material can be reduced to obtain a nanoporous metal material.Type: GrantFiled: July 27, 2018Date of Patent: July 5, 2022Assignees: Lawrence Livermore National Security, LLC, National Technology & Engineering Solutions of Sandia, LLCInventors: Michael Bagge-Hansen, Patrick G. Campbell, Jeffrey Colvin, Sergei Kucheyev, Thomas E. Felter
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Publication number: 20220005651Abstract: Disclosed here is a method for producing a graphene macro-assembly (GMA)-fullerene composite, comprising providing a mixture of graphene oxide and water, adding a hydroxylated fullerene to the mixture, and forming a gel of the hydroxylated fullerene and the mixture. Also described are a GMA-fullerene composite produced, an electrode comprising the GMA-fullerene composite, and a supercapacitor comprising the electrode.Type: ApplicationFiled: July 2, 2021Publication date: January 6, 2022Applicant: Lawrence Livermore National Security, LLCInventors: Patrick G. Campbell, Monika M. Biener, Maira Raquel Ceron Hernandez
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Publication number: 20210237344Abstract: Disclosed here is a method for making a three-dimensional micro-architected aerogel, comprising: (a) curing a reaction mixture comprising a co-sol-gel material (e.g., graphene oxide (GO)) and at least one catalyst to obtain a crosslinked co-sol-gel (e.g., GO hydrogel); (b) providing a photoresin comprising a solvent, a photoinitiator, a crosslinkable polymer precursor, and a dispersion of the crosslinked co-sol-gel (e.g., GO hydrogel); (c) curing the photoresin using projection microstereolithography layer-by-layer to produce a wet gel having a pre-designed three-dimensional structure; (d) drying the wet gel to produce a dry gel; and (e) pyrolyzing the dry gel to produce a three-dimensional micro-architected aerogel (e.g., graphene aerogel). Also disclosed is a photoresin for projection microstereolithography, comprising a solvent, a photoinitiator, a crosslinkable polymer precursor, and a dispersion of a crosslinked co-sol-gel.Type: ApplicationFiled: April 5, 2019Publication date: August 5, 2021Applicant: Lawrence Livermore National Security, LLCInventors: Marcus A. Worsley, Xiaoyu Zheng, Patrick G. Campbell, Eric Duoss, James Oakdale, Christopher Spadaccini, Ryan Hensleigh
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Publication number: 20210061683Abstract: Use of porous carbon aerogel materials as capacitive deionization (CDI) electrodes to selectively remove scale forming divalent ions (e.g., Mg, Ca) from “hard” waters. A first electrode and/or a second electrode are made from activated carbon with graphite current collectors. A non-conductive, electrolyte permeable paper or polymer membrane separator is sandwiched between the first electrode and the second electrode.Type: ApplicationFiled: July 15, 2020Publication date: March 4, 2021Inventors: Patrick G. Campbell, Maira R. Cerón Hernández, Steven A. Hawks, Tuan Anh Pham, Michael Stadermann
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Patent number: 10633255Abstract: Disclosed here is a method for producing a graphene macro-assembly (GMA)-fullerene composite, comprising providing a GMA comprising a three-dimensional network of graphene sheets crosslinked by covalent carbon bonds, and incorporating at least 20 wt. % of at least one fullerene compound into the GMA based on the initial weight of the GMA to obtain a GMA-fullerene composite. Also described are a GMA-fullerene composite produced, an electrode comprising the GMA-fullerene composite, and a supercapacitor comprising the electrode and optionally an organic or ionic liquid electrolyte in contact with the electrode.Type: GrantFiled: November 6, 2017Date of Patent: April 28, 2020Assignee: Lawrence Livermore National Security, LLCInventors: Patrick G. Campbell, Theodore F. Baumann, Juergen Biener, Matthew Merrill, Elizabeth Montalvo, Marcus Worsley, Monika M. Biener, Maira Raquel Ceron Hernandez
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Patent number: 10566595Abstract: A separator made of ion conductive ink is produced by additive manufacturing. A micro-battery is produced with the separator made of ion conductive ink located between the battery's anode and cathode. The separator functions to keep the anode and cathode apart and to facilitate the transport of ions to produce an operative micro-battery.Type: GrantFiled: May 18, 2018Date of Patent: February 18, 2020Assignee: Lawrence Livermore National Security, LLCInventors: Eric B. Duoss, Patrick G. Campbell, William C. Floyd, III, Julie A. Mancini, Matthew Merrill, Conner T. Sharpe, Christopher M. Spadaccini, Michael Stadermann, Cheng Zhu
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Publication number: 20190317401Abstract: Disclosed here is a method for making an architected three-dimensional aerogel, comprising providing a photoresin comprising a solvent, a photoinitiator, a crosslinkable polymer precursor, and a precursor for graphene, metal oxide or metal chalcogenide; curing the photoresin using projection microstereolithography layer-by-layer to produce a wet gel having a pre-designed three dimensional structure; drying the wet gel to produce a dry gel; and pyrolyzing the dry gel to produce an architected three-dimensional aerogel. Also disclosure is a photoresin for projection microstereolithography, comprising a solvent, a photoinitiator, a crosslinkable polymer precursor, and graphene oxide.Type: ApplicationFiled: May 31, 2019Publication date: October 17, 2019Applicant: LAWRENCE LIVERMORE NATIONAL SECURITY, LLCInventors: Marcus A. Worsley, Patrick G. Campbell, Eric B. Duoss, James S. Oakdale, Christopher M. Spadaccini, Ryan Hensleigh
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Patent number: 10379439Abstract: Disclosed here is a method for making an architected three-dimensional aerogel, comprising providing a photoresin comprising a solvent, a photoinitiator, a crosslinkable polymer precursor, and a precursor for graphene, metal oxide or metal chalcogenide; curing the photoresin using projection microstereolithography layer-by-layer to produce a wet gel having a pre-designed three dimensional structure; drying the wet gel to produce a dry gel; and pyrolyzing the dry gel to produce an architected three-dimensional aerogel. Also disclosure is a photoresin for projection microstereolithography, comprising a solvent, a photoinitiator, a crosslinkable polymer precursor, and graphene oxide.Type: GrantFiled: January 6, 2017Date of Patent: August 13, 2019Assignee: Lawrence Livermore National Security, LLCInventors: Marcus A. Worsley, Patrick G. Campbell, Eric B. Duoss, James S. Oakdale, Christopher M. Spadaccini, Ryan Hensleigh
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Publication number: 20190144310Abstract: Disclosed here is a capacitive deionization device for removing ions from a target solution. The capacitive deionization device includes a first porous electrode, a second porous electrode, a first header plate, a second header plate, and a sealant. The second porous electrode is disposed below and spaced from the first porous electrode. The first header plate is disposed on the first porous electrode. The first header plate defines an input flow channel that is in fluidic communication with the first porous electrode. The second header plate is disposed below the second porous electrode. The second header plate defines an output flow channel that is in fluidic communication with the second porous electrode. The sealant is disposed between the first header plate and the second header plate and surrounds the first porous electrode and the second porous electrode.Type: ApplicationFiled: November 10, 2017Publication date: May 16, 2019Applicant: Lawrence Livermore National Security, LLCInventors: Patrick G. Campbell, Jennifer M. Knipe, Michael Stadermann
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Publication number: 20180354030Abstract: Disclosed here is a method for making a nanoporous material, comprising aerosolizing a solution comprising at least one metal salt and at least one solvent to obtain an aerosol, freezing the aerosol to obtain a frozen aerosol, and drying the frozen aerosol to obtain a nanoporous metal compound material. Further, the nanoporous metal compound material can be reduced to obtain a nanoporous metal material.Type: ApplicationFiled: July 27, 2018Publication date: December 13, 2018Applicants: Lawrence Livermore National Security, LLC, National Technology & Engineering Solutions of Sandia, LLCInventors: Michael Bagge-Hansen, Patrick G. Campbell, Jeffrey Colvin, Sergei Kucheyev, Thomas E. Felter
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Publication number: 20180301678Abstract: A separator made of ion conductive ink is produced by additive manufacturing. A micro-battery is produced with the separator made of ion conductive ink located between the battery's anode and cathode. The separator functions to keep the anode and cathode apart and to facilitate the transport of ions to produce an operative micro-battery.Type: ApplicationFiled: May 18, 2018Publication date: October 18, 2018Inventors: Eric B. Duoss, Patrick G. Campbell, William C. Floyd, III, Julie A. Mancini, Matthew Merrill, Conner T. Sharpe, Christopher M. Spadaccini, Michael Stadermann, Cheng Zhu
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Patent number: 10086431Abstract: Disclosed here is a method for making a nanoporous material, comprising aerosolizing a solution comprising at least one metal salt and at least one solvent to obtain an aerosol, freezing the aerosol to obtain a frozen aerosol, and drying the frozen aerosol to obtain a nanoporous metal compound material. Further, the nanoporous metal compound material can be reduced to obtain a nanoporous metal material.Type: GrantFiled: June 16, 2015Date of Patent: October 2, 2018Assignees: Lawrence Livermoe National Security, LLC, National Technology & Engineering Solutions of Sandia, LLCInventors: Michael Bagge-Hansen, Patrick G. Campbell, Jeffrey D. Colvin, Sergei Kucheyev, Thomas E. Felter
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Publication number: 20180196345Abstract: Disclosed here is a method for making an architected three-dimensional aerogel, comprising providing a photoresin comprising a solvent, a photoinitiator, a crosslinkable polymer precursor, and a precursor for graphene, metal oxide or metal chalcogenide; curing the photoresin using projection microstereolithography layer-by-layer to produce a wet gel having a pre-designed three dimensional structure; drying the wet gel to produce a dry gel; and pyrolyzing the dry gel to produce an architected three-dimensional aerogel. Also disclosure is a photoresin for projection microstereolithography, comprising a solvent, a photoinitiator, a crosslinkable polymer precursor, and graphene oxide.Type: ApplicationFiled: January 6, 2017Publication date: July 12, 2018Applicant: LAWRENCE LIVERMORE NATIONAL SECURITY, LLCInventors: Marcus A. Worsley, Patrick G. Campbell, Eric B. Duoss, James S. Oakdale, Christopher M. Spadaccini, Ryan Hensleigh
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Patent number: 10003059Abstract: A separator made of ion conductive ink is produced by additive manufacturing. A micro-battery is produced with the separator made of ion conductive ink located between the battery's anode and cathode. The separator functions to keep the anode and cathode apart and to facilitate the transport of ions to produce an operative micro-battery.Type: GrantFiled: October 13, 2015Date of Patent: June 19, 2018Assignee: Lawrence Livermore National Security, LLCInventors: Eric B. Duoss, Patrick G. Campbell, William C. Floyd, III, Julie A. Jackson, Matthew Merrill, Conner T. Sharpe, Christopher M. Spadaccini, Michael Stadermann, Cheng Zhu