Patents by Inventor Maher F. El-Kady
Maher F. El-Kady 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: 10938021Abstract: Energy storage devices are disclosed. In some embodiments, the energy storage devices comprise a positive electrode comprising a carbon-based material comprising porous carbon sheet(s). Fabrication processes for manufacturing the energy storage devices are disclosed.Type: GrantFiled: August 28, 2017Date of Patent: March 2, 2021Assignee: The Regents of the University of CaliforniaInventors: Maher F. El-Kady, Richard B. Kaner, Matthew Kowal
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Publication number: 20210050640Abstract: Disclosed is a hybrid electrochemical cell with a first conductor having at least one portion that is both a first capacitor electrode and a first battery electrode. The hybrid electrochemical cell further includes a second conductor having at least one portion that is a second capacitor electrode and at least one other portion that is a second battery electrode. An electrolyte is in contact with both the first conductor and the second conductor. In some embodiments, the hybrid electrochemical cell further includes a separator between the first conductor and the second conductor to prevent physical contact between the first conductor and the second conductor, while facilitating ion transport between the first conductor and the second conductor.Type: ApplicationFiled: October 26, 2020Publication date: February 18, 2021Inventors: Maher F. El-Kady, Richard B. Kaner
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Patent number: 10892109Abstract: The present disclosure provides supercapacitors that may avoid the shortcomings of current energy storage technology. Provided herein are supercapacitor devices, and methods of fabrication thereof comprising the manufacture or synthesis of an active material on a current collector and/or the manufacture of supercapacitor electrodes to form planar and stacked arrays of supercapacitor electrodes and devices. Prototype supercapacitors disclosed herein may exhibit improved performance compared to commercial supercapacitors. Additionally, the present disclosure provides a simple, yet versatile technique for the fabrication of supercapacitors through masking and etching.Type: GrantFiled: November 22, 2019Date of Patent: January 12, 2021Assignee: The Regents of the University of CaliforniaInventors: Richard Barry Kaner, Maher F. El-Kady
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Patent number: 10847852Abstract: Disclosed is a hybrid electrochemical cell with a first conductor having at least one portion that is both a first capacitor electrode and a first battery electrode. The hybrid electrochemical cell further includes a second conductor having at least one portion that is a second capacitor electrode and at least one other portion that is a second battery electrode. An electrolyte is in contact with both the first conductor and the second conductor. In some embodiments, the hybrid electrochemical cell further includes a separator between the first conductor and the second conductor to prevent physical contact between the first conductor and the second conductor, while facilitating ion transport between the first conductor and the second conductor.Type: GrantFiled: December 18, 2018Date of Patent: November 24, 2020Assignee: The Regents of the University of CaliforniaInventors: Maher F. El-Kady, Richard B. Kaner
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Publication number: 20200266425Abstract: Provided herein are energy storage devices comprising a first electrode comprising a layered double hydroxide, a conductive scaffold, and a first current collector; a second electrode comprising a hydroxide and a second current collector; a separator; and an electrolyte. In some embodiments, the specific combination of device chemistry, active materials, and electrolytes described herein form storage devices that operate at high voltage and exhibit the capacity of a battery and the power performance of supercapacitors in one device.Type: ApplicationFiled: May 5, 2020Publication date: August 20, 2020Inventors: Maher F. El-Kady, Richard B. Kaner, Mir Fazlollah Mousavi
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Patent number: 10734167Abstract: A porous interconnected corrugated carbon-based network (ICCN) composite and methods for making the same are disclosed. The porous ICCN composite is made up of a plurality of carbon layers that are interconnected and expanded apart from one another to form a plurality of pores. Metallic nanoparticles are disposed within the plurality of pores. In one embodiment, a light exposure only based method for producing the porous ICCN composite is disclosed. In another embodiment a light exposure plus an electrodeposition method for producing the porous ICCN composite is disclosed. In yet another exemplary embodiment, a capacitor having a first electrode and a second electrode separated from the first electrode by a dielectric wherein at least one of the first electrode and the second electrode is formed from the porous ICCN composite is disclosed.Type: GrantFiled: November 18, 2015Date of Patent: August 4, 2020Assignee: The Regents of the University of CaliforniaInventors: Maher F. El-Kady, Richard B. Kaner, Jee Youn Hwang
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Publication number: 20200232960Abstract: An interconnected corrugated carbon-based network comprising a plurality of expanded and interconnected carbon layers is disclosed. In one embodiment, each of the expanded and interconnected carbon layers is made up of at least one corrugated carbon sheet that is one atom thick. In another embodiment, each of the expanded and interconnected carbon layers is made up of a plurality of corrugated carbon sheets that are each one atom thick. The interconnected corrugated carbon-based network is characterized by a high surface area with highly tunable electrical conductivity and electrochemical properties.Type: ApplicationFiled: February 14, 2020Publication date: July 23, 2020Inventors: Veronica Strong, Maher F. El-Kady, Richard B. Kaner
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Publication number: 20200203086Abstract: A porous interconnected corrugated carbon-based network (ICCN) composite and methods for making the same are disclosed. The porous ICCN composite is made up of a plurality of carbon layers that are interconnected and expanded apart from one another to form a plurality of pores. Metallic nanoparticles are disposed within the plurality of pores. In one embodiment, a light exposure only based method for producing the porous ICCN composite is disclosed. In another embodiment a light exposure plus an electrodeposition method for producing the porous ICCN composite is disclosed. In yet another exemplary embodiment, a capacitor having a first electrode and a second electrode separated from the first electrode by a dielectric wherein at least one of the first electrode and the second electrode is formed from the porous ICCN composite is disclosed.Type: ApplicationFiled: February 14, 2020Publication date: June 25, 2020Inventors: Maher F. El-Kady, Richard B. Kaner, Jee Youn Hwang
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Patent number: 10693126Abstract: Provided herein are energy storage devices comprising a first electrode comprising a layered double hydroxide, a conductive scaffold, and a first current collector; a second electrode comprising a hydroxide and a second current collector; a separator; and an electrolyte. In some embodiments, the specific combination of device chemistry, active materials, and electrolytes described herein form storage devices that operate at high voltage and exhibit the capacity of a battery and the power performance of supercapacitors in one device.Type: GrantFiled: December 13, 2018Date of Patent: June 23, 2020Assignee: The Regents of the University of CaliforniaInventors: Maher F. El-Kady, Richard B. Kaner, Mir Fazlollah Mousavi
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Patent number: 10685789Abstract: A porous interconnected corrugated carbon-based network (ICCN) composite and methods for making the same are disclosed. The porous ICCN composite is made up of a plurality of carbon layers that are interconnected and expanded apart from one another to form a plurality of pores. Metallic nanoparticles are disposed within the plurality of pores. In one embodiment, a light exposure only based method for producing the porous ICCN composite is disclosed. In another embodiment a light exposure plus an electrodeposition method for producing the porous ICCN composite is disclosed. In yet another exemplary embodiment, a capacitor having a first electrode and a second electrode separated from the first electrode by a dielectric wherein at least one of the first electrode and the second electrode is formed from the porous ICCN composite is disclosed.Type: GrantFiled: November 18, 2015Date of Patent: June 16, 2020Assignee: The Regents of the University of CaliforniaInventors: Maher F. El-Kady, Richard B. Kaner, Jee Youn Hwang
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Publication number: 20200161061Abstract: The present disclosure further provides an exemplary energy storage device fabricated from rectangular-tube polyaniline (PANI) that is chemically synthesized by a simple and convenient method. The rectangular-tube PANI, as an active material, is synthesized on a functionalized carbon cloth (FCC) as a substrate, and the obtained composite is immobilized on a stainless steel mesh as a current collector. The present disclosure additionally presents a facile technique for the direct synthesis of PANI nanotubes, with rectangular pores, on chemically activated CC.Type: ApplicationFiled: January 24, 2020Publication date: May 21, 2020Inventors: Richard B. Kaner, Maher F. El-Kady, Mir Fazlollah Mousavi, Masumeh Hashemi, Mohammad S. Rahmanifar
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Patent number: 10650983Abstract: A porous interconnected corrugated carbon-based network (ICCN) composite and methods for making the same are disclosed. The porous ICCN composite is made up of a plurality of carbon layers that are interconnected and expanded apart from one another to form a plurality of pores. Metallic nanoparticles are disposed within the plurality of pores. In one embodiment, a light exposure only based method for producing the porous ICCN composite is disclosed. In another embodiment a light exposure plus an electrodeposition method for producing the porous ICCN composite is disclosed. In yet another exemplary embodiment, a capacitor having a first electrode and a second electrode separated from the first electrode by a dielectric wherein at least one of the first electrode and the second electrode is formed from the porous ICCN composite is disclosed.Type: GrantFiled: November 18, 2015Date of Patent: May 12, 2020Assignee: The Regents of the University of CaliforniaInventors: Maher F. El-Kady, Richard B. Kaner, Jee Youn Hwang
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Patent number: 10648958Abstract: An interconnected corrugated carbon-based network comprising a plurality of expanded and interconnected carbon layers is disclosed. In one embodiment, each of the expanded and interconnected carbon layers is made up of at least one corrugated carbon sheet that is one atom thick. In another embodiment, each of the expanded and interconnected carbon layers is made up of a plurality of corrugated carbon sheets that are each one atom thick. The interconnected corrugated carbon-based network is characterized by a high surface area with highly tunable electrical conductivity and electrochemical properties.Type: GrantFiled: February 8, 2017Date of Patent: May 12, 2020Assignee: The Regents of the University of CaliforniaInventors: Veronica A. Strong, Maher F. El-Kady, Richard Barry Kaner
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Patent number: 10622163Abstract: The present disclosure further provides an exemplary energy storage device fabricated from rectangular-tube polyaniline (PANI) that is chemically synthesized by a simple and convenient method. The rectangular-tube PANI, as an active material, is synthesized on a functionalized carbon cloth (FCC) as a substrate, and the obtained composite is immobilized on a stainless steel mesh as a current collector. The present disclosure additionally presents a facile technique for the direct synthesis of PANI nanotubes, with rectangular pores, on chemically activated CC.Type: GrantFiled: March 29, 2017Date of Patent: April 14, 2020Assignee: The Regents of the University of CaliforniaInventors: Richard B. Kaner, Maher F. El-Kady, Mir Fazlollah Mousavi, Masumeh Hashemi, Mohammad S. Rahmanifar
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Patent number: 10614968Abstract: The present disclosure provides supercapacitors that may avoid the shortcomings of current energy storage technology. Provided herein are supercapacitor devices, and methods of fabrication thereof comprising the manufacture or synthesis of an active material on a current collector and/or the manufacture of supercapacitor electrodes to form planar and stacked arrays of supercapacitor electrodes and devices. Prototype supercapacitors disclosed herein may exhibit improved performance compared to commercial supercapacitors. Additionally, the present disclosure provides a simple, yet versatile technique for the fabrication of supercapacitors through masking and etching.Type: GrantFiled: January 19, 2017Date of Patent: April 7, 2020Assignee: The Regents of the University of CaliforniaInventors: Richard Barry Kaner, Maher F. El-Kady
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Patent number: 10607789Abstract: A porous interconnected corrugated carbon-based network (ICCN) composite and methods for making the same are disclosed. The porous ICCN composite is made up of a plurality of carbon layers that are interconnected and expanded apart from one another to form a plurality of pores. Metallic nanoparticles are disposed within the plurality of pores. In one embodiment, a light exposure only based method for producing the porous ICCN composite is disclosed. In another embodiment a light exposure plus an electrodeposition method for producing the porous ICCN composite is disclosed. In yet another exemplary embodiment, a capacitor having a first electrode and a second electrode separated from the first electrode by a dielectric wherein at least one of the first electrode and the second electrode is formed from the porous ICCN composite is disclosed.Type: GrantFiled: November 18, 2015Date of Patent: March 31, 2020Assignee: The Regents of the University of CaliforniaInventors: Maher F. El-Kady, Richard B. Kaner, Jee Youn Hwang
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Patent number: 10605794Abstract: An interconnected corrugated carbon-based network comprising a plurality of expanded and interconnected carbon layers is disclosed. In one embodiment, each of the expanded and interconnected carbon layers is made up of at least one corrugated carbon sheet that is one atom thick. In another embodiment, each of the expanded and interconnected carbon layers is made up of a plurality of corrugated carbon sheets that are each one atom thick. The interconnected corrugated carbon-based network is characterized by a high surface area with highly tunable electrical conductivity and electrochemical properties.Type: GrantFiled: February 8, 2017Date of Patent: March 31, 2020Assignee: The Regents of the University of CaliforniaInventors: Veronica A. Strong, Maher F. El-Kady, Richard Barry Kaner
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Publication number: 20200090880Abstract: The present disclosure provides supercapacitors that may avoid the shortcomings of current energy storage technology. Provided herein are supercapacitor devices, and methods of fabrication thereof comprising the manufacture or synthesis of an active material on a current collector and/or the manufacture of supercapacitor electrodes to form planar and stacked arrays of supercapacitor electrodes and devices. Prototype supercapacitors disclosed herein may exhibit improved performance compared to commercial supercapacitors. Additionally, the present disclosure provides a simple, yet versatile technique for the fabrication of supercapacitors through masking and etching.Type: ApplicationFiled: November 22, 2019Publication date: March 19, 2020Inventors: Richard Barry Kaner, Maher F. El-Kady
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Publication number: 20190333712Abstract: Energy storage devices comprising carbon-based electrodes and/or redox electrolytes are disclosed herein. In some embodiments, the carbon-based electrodes comprise laser-scribed activated carbon comprising one or more micro-channels. In some embodiments, the redox electrolytes comprise a ferricyanide/ferrocyanide redox couple. Also described are processes, methods, protocols and the like for manufacturing carbon-based electrodes comprising micro-channels for use in high energy storage devices such as supercapacitors, and for manufacturing high energy storage devices comprising redox electrolytes.Type: ApplicationFiled: July 5, 2019Publication date: October 31, 2019Inventors: Richard B. Kaner, Jee Youn Hwang, Mengping Li, Maher F. El-Kady
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Patent number: 10388466Abstract: Energy storage devices comprising carbon-based electrodes and/or redox electrolytes are disclosed herein. In some embodiments, the carbon-based electrodes comprise laser-scribed activated carbon comprising one or more micro-channels. In some embodiments, the redox electrolytes comprise a ferricyanide/ferrocyanide redox couple. Also described are processes, methods, protocols and the like for manufacturing carbon-based electrodes comprising micro-channels for use in high energy storage devices such as supercapacitors, and for manufacturing high energy storage devices comprising redox electrolytes.Type: GrantFiled: December 20, 2017Date of Patent: August 20, 2019Assignee: The Regents of the University of CaliforniaInventors: Richard B. Kaner, Jee Youn Hwang, Mengping Li, Maher F. El-Kady