Patents by Inventor Theodore F. Baumann
Theodore F. Baumann 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: 9601226Abstract: A composition comprising at least one high-density graphene-based monolith, said monolith comprising a three-dimensional structure of graphene sheets crosslinked by covalent carbon bonds and having a density of at least 0.1 g/cm3. Also provided is a method comprising: preparing a reaction mixture comprising a suspension and at least one catalyst, said suspension selected from a graphene oxide (GO) suspension and a carbon nanotube suspension; curing the reaction mixture to produce a wet gel; drying the wet gel to produce a dry gel, said drying step is substantially free of supercritical drying and freeze drying; and pyrolyzing the dry gel to produce a high-density graphene-based monolith. Exceptional combinations of properties are achieved including high conductive and mechanical properties.Type: GrantFiled: March 15, 2013Date of Patent: March 21, 2017Assignee: Lawrence Livermore National Security, LLCInventors: Marcus A. Worsley, Theodore F. Baumann, Juergen Biener, Supakit Charnvanichborikarn, Sergei Kucheyev, Elizabeth Montalvo, Swanee Shin, Elijah Tylski
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Publication number: 20170054137Abstract: Provided here is a method for making a graphene-supported metal oxide monolith, comprising: providing a graphene aerogel monolith; immersing said graphene aerogel monolith in a solution comprising at least one metal salt to form a mixture; curing said mixture to obtain a gel; optionally, heating said gel to obtain a graphene-supported metal oxide monolith.Type: ApplicationFiled: November 1, 2016Publication date: February 23, 2017Applicant: Lawrence Livermore National Security, LLCInventors: Marcus A. Worsley, Theodore F. Baumann, Juergen Biener, Monika M. Biener, Yinmin Wang, Jianchao Ye, Elijah Tylski
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Publication number: 20170040123Abstract: Disclosed here is a method for making a nitrogen-doped carbon aerogel, comprising: preparing a reaction mixture comprising formaldehyde, at least one nitrogen-containing resorcinol analog, at least one catalyst, and at least one solvent; curing the reaction mixture to produce a wet gel; drying the wet gel to produce a dry gel; and thermally annealing the dry gel to produce the nitrogen-doped carbon aerogel. Also disclosed is a nitrogen-doped carbon aerogel obtained according to the method and a supercapacitor comprising the nitrogen-doped carbon aerogel.Type: ApplicationFiled: August 6, 2015Publication date: February 9, 2017Inventors: Patrick Campbell, Elizabeth Montalvo, Theodore F. Baumann, Juergen Biener, Matthew Merrill, Eric W. Reed, Marcus A. Worsley
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Patent number: 9543569Abstract: A composition comprising at least one graphene-supported metal oxide monolith, said monolith comprising a three-dimensional structure of graphene sheets crosslinked by covalent carbon bonds, wherein the graphene sheets are coated by at least one metal oxide such as iron oxide or titanium oxide. Also provided is an electrode comprising the aforementioned graphene-supported metal oxide monolith, wherein the electrode can be substantially free of any carbon-black and substantially free of any binder.Type: GrantFiled: March 15, 2013Date of Patent: January 10, 2017Assignee: Lawrence Livermore National Security, LLCInventors: Marcus A. Worsley, Theodore F. Baumann, Juergen Biener, Monika A. Biener, Yinmin Wang, Jianchao Ye, Elijah Tylski
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Publication number: 20160351285Abstract: Disclosed here is a composition comprising at least one high-density carbon-nanotube-based monolith, said monolith comprising carbon nanotubes crosslinked by nanoparticles and having a density of at least 0.2 g/cm3. Also provided is a method for making the composition comprising: preparing a reaction mixture comprising a suspension and at least one catalyst, said suspension is a carbon nanotube suspension; curing the reaction mixture to produce a wet gel; drying the wet gel to produce a dry gel, said drying step is substantially free of supercritical drying and freeze drying; and pyrolyzing the dry gel to produce the composition comprising a high-density carbon-nanotube-based monolith. Exceptional combinations of properties are achieved including high conductive and mechanical properties.Type: ApplicationFiled: July 22, 2016Publication date: December 1, 2016Applicant: Lawrence Livermore National Security, LLCInventors: Marcus A. Worsley, Theodore F. Baumann, Juergen Biener, Supakit Charnvanichborikarn, Sergei Kucheyev, Elizabeth Montalvo, Swanee Shin, Elijah Tylski
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Publication number: 20160307661Abstract: Using SWNT-CA as scaffolds to fabricate stiff, highly conductive polymer (PDMS) composites. The SWNT-CA is immersing in a polymer resin to produce a SWNT-CA infiltrated with a polymer resin. The SWNT-CA infiltrated with a polymer resin is cured to produce the stiff and electrically conductive composite of carbon nanotube aerogel and polymer.Type: ApplicationFiled: April 16, 2015Publication date: October 20, 2016Applicant: LAWRENCE LIVERMORE NATIONAL SECURITY, LLCInventors: Marcus A. Worsley, Sergei O. Kucheyev, Theodore F. Baumann, Joshua D. Kuntz, Joe H. Satcher, Jr., Alex V. Hamza
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Patent number: 9460865Abstract: Disclosed here is a device comprising a porous carbon aerogel or composite thereof as an energy storage material, catalyst support, sensor or adsorbent, wherein the porous carbon aerogel comprises a network of interconnected struts comprising carbon nanotube bundles covalently crosslinked by graphitic carbon nanoparticles, wherein the carbon nanotubes account for 5 to 95 wt. % of the aerogel and the graphitic carbon nanoparticles account for 5 to 95 wt. % of the aerogel, and wherein the aerogel has an electrical conductivity of at least 10 S/m and is capable of withstanding strains of more than 10% before fracture.Type: GrantFiled: May 12, 2016Date of Patent: October 4, 2016Assignee: Lawrence Livermore National Security, LLCInventors: Marcus A. Worsley, Theodore F. Baumann, Joe H. Satcher, Jr.
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Publication number: 20160260550Abstract: Disclosed here is a device comprising a porous carbon aerogel or composite thereof as an energy storage material, catalyst support, sensor or adsorbent, wherein the porous carbon aerogel comprises a network of interconnected struts comprising carbon nanotube bundles covalently crosslinked by graphitic carbon nanoparticles, wherein the carbon nanotubes account for 5 to 95 wt. % of the aerogel and the graphitic carbon nanoparticles account for 5 to 95 wt. % of the aerogel, and wherein the aerogel has an electrical conductivity of at least 10 S/m and is capable of withstanding strains of more than 10% before fracture.Type: ApplicationFiled: May 12, 2016Publication date: September 8, 2016Applicant: LAWRENCE LIVERMORE NATIONAL SECURITY, LLCInventors: Marcus A. Worsley, Theodore F. Baumann, Joe H. Satcher, JR.
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Patent number: 9384870Abstract: A method of making a mechanically robust, electrically conductive ultralow-density carbon nanotube-based aerogel, including the steps of dispersing nanotubes in an aqueous media or other media to form a suspension, adding reactants and catalyst to the suspension to create a reaction mixture, curing the reaction mixture to form a wet gel, drying the wet gel to produce a dry gel, and pyrolyzing the dry gel to produce the mechanically robust, electrically conductive ultralow-density carbon nanotube-based aerogel. The aerogel is mechanically robust, electrically conductive, and ultralow-density, and is made of a porous carbon material having 5 to 95% by weight carbon nanotubes and 5 to 95% carbon binder.Type: GrantFiled: February 12, 2014Date of Patent: July 5, 2016Assignee: Lawrence Livermore National Security, LLCInventors: Marcus A. Worsley, Theodore F. Baumann, Joe H. Satcher, Jr.
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Patent number: 9087625Abstract: Using SWNT-CA as scaffolds to fabricate stiff, highly conductive polymer (PDMS) composites. The SWNT-CA is immersing in a polymer resin to produce a SWNT-CA infiltrated with a polymer resin. The SWNT-CA infiltrated with a polymer resin is cured to produce the stiff and electrically conductive composite of carbon nanotube aerogel and polymer.Type: GrantFiled: October 25, 2011Date of Patent: July 21, 2015Assignee: Lawrence Livermore National Security, LLCInventors: Marcus A. Worsley, Sergei O. Kucheyev, Theodore F. Baumann, Joshua D. Kuntz, Joe H. Satcher, Jr., Alex V. Hamza
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Patent number: 9082524Abstract: A metal oxide-carbon composite includes a carbon aerogel with an oxide overcoat. The metal oxide-carbon composite is made by providing a carbon aerogel, immersing the carbon aerogel in a metal oxide sol under a vacuum, raising the carbon aerogel with the metal oxide sol to atmospheric pressure, curing the carbon aerogel with the metal oxide sol at room temperature, and drying the carbon aerogel with the metal oxide sol to produce the metal oxide-carbon composite. The step of providing a carbon aerogel can provide an activated carbon aerogel or provide a carbon aerogel with carbon nanotubes that make the carbon aerogel mechanically robust.Type: GrantFiled: January 15, 2014Date of Patent: July 14, 2015Assignee: Lawrence Livermore National Security, LLCInventors: Marcus A. Worsley, Thomas Yong-Jin Han, Joshua D. Kuntz, Octavio Cervantes, Alexander E. Gash, Theodore F. Baumann, Joe H. Satcher, Jr.
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Publication number: 20150175425Abstract: Graphene aerogels with high conductivity and surface areas including a method for making a graphene aerogel, including the following steps: (1) preparing a reaction mixture comprising a graphene oxide suspension and at least one catalyst; (2) curing the reaction mixture to produce a wet gel; (3) drying the wet gel to produce a dry gel; and (4) pyrolyzing the dry gel to produce a graphene aerogel. Applications include electrical energy storage including batteries and supercapacitors.Type: ApplicationFiled: January 27, 2015Publication date: June 25, 2015Applicant: Lawrence Livermore National Security, LLCInventors: Peter J. Pauzauskie, Marcus A. Worsley, Theodore F. Baumann, Joe H. Satcher, JR., Juergen Biener
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Patent number: 8993113Abstract: Graphene aerogels with high conductivity and surface areas including a method for making a graphene aerogel, including the following steps: (1) preparing a reaction mixture comprising a graphene oxide suspension and at least one catalyst; (2) curing the reaction mixture to produce a wet gel; (3) drying the wet gel to produce a dry gel; and (4) pyrolyzing the dry gel to produce a graphene aerogel. Applications include electrical energy storage including batteries and supercapacitors.Type: GrantFiled: August 5, 2011Date of Patent: March 31, 2015Assignee: Lawrence Livermore National Security, LLCInventors: Peter J. Pauzauskie, Marcus A. Worsley, Theodore F. Baumann, Joe H. Satcher, Jr., Juergen Biener
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Publication number: 20150072267Abstract: An apparatus for harvesting energy from fresh water and salt water, including a first porous electrode having first pores, a second porous electrode having second pores, a non-conducting permeable separator between the first porous electrode and the second porous electrode, a system for applying an electric potential difference between the first porous electrode, and the second porous electrode, and a system for flowing the fresh water and the salt water through the first porous electrode having first pores, through the non-conducting permeable separator, and through the second porous electrode having second pores thereby harvesting energy from the fresh water and the salt water.Type: ApplicationFiled: September 11, 2013Publication date: March 12, 2015Inventors: Matthew Suss, Theodore F. Baumann, Francesco Fornasiero, Michael Stadermann, Juan G. Santiago
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Patent number: 8968865Abstract: In one embodiment, an aerogel includes a layer of shaped particles having a particle packing density gradient in a thickness direction of the layer, wherein the shaped particles are characterized by being formed in an electrophoretic deposition (EPD) process using an impurity. In another embodiment, a method for forming a functionally graded porous nanostructure includes adding particles of an impurity and a solution to an EPD chamber, applying a voltage difference across the two electrodes of the EPD chamber to create an electric field in the EPD chamber, and depositing the material onto surfaces of the particles of the impurity to form shaped particles of the material. Other functionally graded materials and methods are described according to more embodiments.Type: GrantFiled: June 28, 2011Date of Patent: March 3, 2015Assignee: Lawrence Livermore National Security, LLCInventors: Marcus A. Worsley, Theodore F. Baumann, Joe H. Satcher, Tammy Y. Olson, Joshua D. Kuntz, Klint A. Rose
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Patent number: 8809230Abstract: A composition comprising: at least one porous carbon monolith, such as a carbon aerogel, comprising internal pores, and at least one nanomaterial, such as carbon nanotubes, disposed uniformly throughout the internal pores. The nanomaterial can be disposed in the middle of the monolith. In addition, a method for making a monolithic solid with both high surface area and good bulk electrical conductivity is provided. A porous substrate having a thickness of 100 microns or more and comprising macropores throughout its thickness is prepared. At least one catalyst is deposited inside the porous substrate. Subsequently, chemical vapor deposition is used to uniformly deposit a nanomaterial in the macropores throughout the thickness of the porous substrate. Applications include electrical energy storage, such as batteries and capacitors, and hydrogen storage.Type: GrantFiled: August 1, 2011Date of Patent: August 19, 2014Assignee: Lawrence Livermore National Security, LLCInventors: Marcus A. Worsley, Theodore F. Baumann, Joe H. Satcher, Jr., Michael Stadermann
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Publication number: 20140225044Abstract: A method of making a mechanically robust, electrically conductive ultralow-density carbon nanotube-based aerogel, including the steps of dispersing nanotubes in an aqueous media or other media to form a suspension, adding reactants and catalyst to the suspension to create a reaction mixture, curing the reaction mixture to form a wet gel, drying the wet gel to produce a dry gel, and pyrolyzing the dry gel to produce the mechanically robust, electrically conductive ultralow-density carbon nanotube-based aerogel. The aerogel is mechanically robust, electrically conductive, and ultralow-density, and is made of a porous carbon material having 5 to 95% by weight carbon nanotubes and 5 to 95% carbon binder.Type: ApplicationFiled: February 12, 2014Publication date: August 14, 2014Applicant: LAWRENCE LIVERMORE NATIONAL SECURITY, LLCInventors: Marcus A. Worsley, Theodore F. Baumann, Joe H. Satcher, JR.
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Publication number: 20140217330Abstract: A metal oxide-carbon composite includes a carbon aerogel with an oxide overcoat. The metal oxide-carbon composite is made by providing a carbon aerogel, immersing the carbon aerogel in a metal oxide sol under a vacuum, raising the carbon aerogel with the metal oxide sol to atmospheric pressure, curing the carbon aerogel with the metal oxide sol at room temperature, and drying the carbon aerogel with the metal oxide sol to produce the metal oxide-carbon composite. The step of providing a carbon aerogel can provide an activated carbon aerogel or provide a carbon aerogel with carbon nanotubes that make the carbon aerogel mechanically robust.Type: ApplicationFiled: January 15, 2014Publication date: August 7, 2014Inventors: Marcus A. WORSLEY, Thomas Yong-Jin HAN, Joshua D. KUNTZ, Octavio CERVANTES, Alexander E. GASH, Theodore F. BAUMANN, Joe H. SATCHER, Jr.
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Publication number: 20140178289Abstract: A composition comprising at least one high-density graphene-based monolith, said monolith comprising a three-dimensional structure of graphene sheets crosslinked by covalent carbon bonds and having a density of at least 0.1 g/cm3. Also provided is a method comprising: preparing a reaction mixture comprising a suspension and at least one catalyst, said suspension selected from a graphene oxide (GO) suspension and a carbon nanotube suspension; curing the reaction mixture to produce a wet gel; drying the wet gel to produce a dry gel, said drying step is substantially free of supercritical drying and freeze drying; and pyrolyzing the dry gel to produce a high-density graphene-based monolith. Exceptional combinations of properties are achieved including high conductive and mechanical properties.Type: ApplicationFiled: March 15, 2013Publication date: June 26, 2014Applicant: LAWRENCE LIVERMORE NATIONAL SECURITY, LLCInventors: Marcus A. Worsley, Theodore F. Baumann, Juergen Biener, Supakit Charnvanichborikarn, Sergei Kucheyev, Elizabeth Montalvo, Swanee Shin, Elijah Tylski
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Patent number: 8703523Abstract: In one embodiment, a tunable resistor/transistor includes a porous material that is electrically coupled between a source electrode and a drain electrode, wherein the porous material acts as an active channel, an electrolyte solution saturating the active channel, the electrolyte solution being adapted for altering an electrical resistance of the active channel based on an applied electrochemical potential, wherein the active channel comprises nanoporous carbon arranged in a three-dimensional structure. In another embodiment, a method for forming the tunable resistor/transistor includes forming a source electrode, forming a drain electrode, and forming a monolithic nanoporous carbon material that acts as an active channel and selectively couples the source electrode to the drain electrode electrically.Type: GrantFiled: December 5, 2011Date of Patent: April 22, 2014Assignees: Lawrence Livermore National Security, LLC., Karlsruher Institut fur Technologie (KIT)Inventors: Juergen Biener, Theodore F. Baumann, Subho Dasgupta, Horst Hahn