Patents by Inventor Robert W. Grant

Robert W. Grant 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: 11916217
    Abstract: The present invention relates to processes that may be used singly or in combination to prevent lithium (or alkali metal) plating or dendrite buildup on bare substrate areas or edges of electrode rolls during alkaliation of a battery or electrochemical cell anode composed of a conductive substrate and coatings, in which the electrode rolls may be coated on one or both sides and may have exposed substrate on edges, or on continuous or discontinuous portions of either or both substrate surfaces.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: February 27, 2024
    Assignee: Nanoscale Components, Inc.
    Inventors: Robert W. Grant, Matthew Sweetland, Asela Maha Acharige
  • Publication number: 20230117752
    Abstract: The present invention relates to a method for combining anode pre-lithiation, limited-voltage formation cycles, and accelerating aging via heated storage to maximize specific capacity, volumetric capacity density and capacity retention of a lithium-ion electrochemical cell.
    Type: Application
    Filed: September 23, 2022
    Publication date: April 20, 2023
    Inventors: Robert W. Grant, Matthew Sweetland, Asela Maha Acharige, Ronald Wohl
  • Publication number: 20230080998
    Abstract: The present invention relates to a method for lithiation of an intercalation-based anode or a non-reactive plating-capable foil or a reactive alloy capable anode, whereby utilization of said lithiated intercalation-based anode or a plating-capable foil or reactive alloy capable anode in a rechargeable battery or electrochemical cell results in an increased amount of lithium available for cycling, and an improved reversible capacity during charge and discharge.
    Type: Application
    Filed: June 1, 2022
    Publication date: March 16, 2023
    Inventors: Robert W. Grant, Matthew Sweetland, Asela Maha Acharige
  • Publication number: 20210399274
    Abstract: The present invention relates to processes that may be used singly or in combination to prevent lithium (or alkali metal) plating or dendrite buildup on bare substrate areas or edges of electrode rolls during alkaliation of a battery or electrochemical cell anode composed of a conductive substrate and coatings, in which the electrode rolls may be coated on one or both sides and may have exposed substrate on edges, or on continuous or discontinuous portions of either or both substrate surfaces.
    Type: Application
    Filed: May 6, 2021
    Publication date: December 23, 2021
    Inventors: Robert W. Grant, Matthew Sweetland, Asela Maha Acharige
  • Publication number: 20210175489
    Abstract: The present invention relates to a method for lithiation of an intercalation-based anode or a non-reactive plating-capable foil or a reactive alloy capable anode, whereby utilization of said lithiated intercalation-based anode or a plating-capable foil or reactive alloy capable anode in a rechargeable battery or electrochemical cell results in an increased amount of lithium available for cycling, and an improved reversible capacity during charge and discharge.
    Type: Application
    Filed: July 23, 2020
    Publication date: June 10, 2021
    Inventors: Robert W. Grant, Matthew Sweetland, Asela Maha Acharige
  • Patent number: 11005088
    Abstract: The present invention relates to processes that may be used singly or in combination to prevent lithium (or alkali metal) plating or dendrite buildup on bare substrate areas or edges of electrode rolls during alkaliation of a battery or electrochemical cell anode composed of a conductive substrate and coatings, in which the electrode rolls may be coated on one or both sides and may have exposed substrate on edges, or on continuous or discontinuous portions of either or both substrate surfaces.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: May 11, 2021
    Assignee: Nanoscale Components, Inc.
    Inventors: Robert W. Grant, Matthew Sweetland, Asela Maha Acharige
  • Publication number: 20200259164
    Abstract: A pre-lithiated silicon anode comprising a PVDF binder at 5-12 wt. % for use in a Li-ion cell is provided. In particular instances, a conductive additive may be added at less than 5 wt. %. The Si anode with PVDF binder is pre-lithiated prior to cell assembly and following Si anode fabrication. The combination of pre-lithiation and PVDF in the Si anode for use in a rechargeable Li-ion cell shows the unexpected result of extending the cycle life.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 13, 2020
    Inventors: Jun Wang, Paul Gionet, Hungoo Cho, Leslie J. Pinnell, Robert W. Grant
  • Publication number: 20190109322
    Abstract: The present invention relates to a method for lithiation of an intercalation-based anode or a non-reactive plating-capable foil or a reactive alloy capable anode, whereby utilization of said lithiated intercalation-based anode or a plating-capable foil or reactive alloy capable anode in a rechargeable battery or electrochemical cell results in an increased amount of lithium available for cycling, and an improved reversible capacity during charge and discharge.
    Type: Application
    Filed: October 10, 2018
    Publication date: April 11, 2019
    Inventors: Robert W. Grant, Matthew Sweetland, Asela Maha Acharige
  • Publication number: 20190109321
    Abstract: The present invention relates to processes that may be used singly or in combination to prevent lithium (or alkali metal) plating or dendrite buildup on bare substrate areas or edges of electrode rolls during alkaliation of a battery or electrochemical cell anode composed of a conductive substrate and coatings, in which the electrode rolls may be coated on one or both sides and may have exposed substrate on edges, or on continuous or discontinuous portions of either or both substrate surfaces.
    Type: Application
    Filed: October 11, 2018
    Publication date: April 11, 2019
    Inventors: Robert W. Grant, Matthew Sweetland, Asela Maha Acharige
  • Patent number: 10128487
    Abstract: The present invention relates to processes that may be used singly or in combination to prevent lithium (or alkali metal) plating or dendrite buildup on bare substrate areas or edges of electrode rolls during alkaliation of a battery or electrochemical cell anode composed of a conductive substrate and coatings, in which the electrode rolls may be coated on one or both sides and may have exposed substrate on edges, or on continuous or discontinuous portions of either or both substrate surfaces.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: November 13, 2018
    Assignee: Nanoscale Components, Inc.
    Inventors: Robert W. Grant, Matthew Sweetland, Asela Maha Acharige
  • Patent number: 10128491
    Abstract: The present invention relates to a method for lithiation of an intercalation-based anode or a non-reactive plating-capable foil or a reactive alloy capable anode, whereby utilization of said lithiated intercalation-based anode or a plating-capable foil or reactive alloy capable anode in a rechargeable battery or electrochemical cell results in an increased amount of lithium available for cycling, and an improved reversible capacity during charge and discharge.
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: November 13, 2018
    Assignee: Nanoscale Components, Inc.
    Inventors: Robert W. Grant, Matthew Sweetland, Asela Maha Acharige
  • Publication number: 20180040914
    Abstract: The present invention relates to a method for combining anode pre-lithiation, limited-voltage formation cycles, and accelerating aging via heated storage to maximize specific capacity, volumetric capacity density and capacity retention of a lithium-ion electrochemical cell.
    Type: Application
    Filed: August 24, 2017
    Publication date: February 8, 2018
    Inventors: Robert W. Grant, Matthew Sweetland, Asela Maha Acharige, Ronald Wohl
  • Publication number: 20170301910
    Abstract: A pre-lithiated silicon anode comprising a PVDF binder at 5-12 wt. % for use in a Li-ion cell is provided. In particular instances, a conductive additive may be added at less than 5 wt. %. The Si anode with PVDF binder is pre-lithiated prior to cell assembly and following Si anode fabrication. The combination of pre-lithiation and PVDF in the Si anode for use in a rechargeable Li-ion cell shows the unexpected result of extending the cycle life.
    Type: Application
    Filed: September 29, 2015
    Publication date: October 19, 2017
    Inventors: Jun Wang, Paul Gionet, Hungoo Cho, Leslie J. Pinnell, Robert W. Grant
  • Patent number: 9748599
    Abstract: The present invention relates to a method for combining anode pre-lithiation, limited-voltage formation cycles, and accelerating aging via heated storage to maximize specific capacity, volumetric capacity density and capacity retention of a lithium-ion electrochemical cell.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: August 29, 2017
    Assignee: NANOSCALE COMPONENTS, INC.
    Inventors: Robert W. Grant, Matthew Sweetland, Asela Maha Acharige, Ronald Wohl
  • Publication number: 20170187030
    Abstract: The present invention relates to processes that may be used singly or in combination to prevent lithium (or alkali metal) plating or dendrite buildup on bare substrate areas or edges of electrode rolls during alkaliation of a battery or electrochemical cell anode composed of a conductive substrate and coatings, in which the electrode rolls may be coated on one or both sides and may have exposed substrate on edges, or on continuous or discontinuous portions of either or both substrate surfaces.
    Type: Application
    Filed: December 8, 2016
    Publication date: June 29, 2017
    Inventors: Robert W. Grant, Matthew Sweetland, Asela Maha Acharige
  • Patent number: 9598789
    Abstract: The present invention relates to a method for lithiation of an intercalation-based anode or a non-reactive plating-capable foil or a reactive alloy capable anode, whereby utilization of said lithiated intercalation-based anode or a plating-capable foil or reactive alloy capable anode in a rechargeable battery or electrochemical cell results in an increased amount of lithium available for cycling, and an improved reversible capacity during charge and discharge.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: March 21, 2017
    Assignee: Nanoscale Components, Inc.
    Inventors: Robert W. Grant, Matthew Sweetland, Asela Maha Acharige
  • Publication number: 20160380262
    Abstract: This method enables the use of nanowire or nano-textured forms of Polyaniline and other conductive polymers in energy storage components. The delicate nature of these very high surface area materials are preserved during the continuous electrochemical synthesis, drying, solvent application and physical assembly. The invention also relates to a negative electrode that is comprised of etched, lithiated aluminum that is safer and lighter weight than conventional carbon based lithium-ion negative electrodes. The invention provides for improved methods for making negative and positive electrodes and for energy storage devices containing them. The invention provides sufficient stability in organic solvent and electrolyte solutions, where the prior art processes commonly fail. The invention further provides stability during repetitive charge and discharge. The invention also provides for novel microstructure protecting support membranes to be used in an energy storage device.
    Type: Application
    Filed: February 29, 2016
    Publication date: December 29, 2016
    Inventors: Robert W. Grant, Matthew Sweetland
  • Publication number: 20150191841
    Abstract: The present invention relates to a method for lithiation of an intercalation-based anode or a non-reactive plating-capable foil or a reactive alloy capable anode, whereby utilization of said lithiated intercalation-based anode or a plating-capable foil or reactive alloy capable anode in a rechargeable battery or electrochemical cell results in an increased amount of lithium available for cycling, and an improved reversible capacity during charge and discharge.
    Type: Application
    Filed: January 6, 2015
    Publication date: July 9, 2015
    Inventors: Robert W. Grant, Matthew Sweetland, Asela Maha Acharige
  • Publication number: 20150162597
    Abstract: This method enables the use of nanowire or nano-textured forms of Polyaniline and other conductive polymers in energy storage components. The delicate nature of these very high surface area materials are preserved during the continuous electrochemical synthesis, drying, solvent application and physical assembly. The invention also relates to a negative electrode that is comprised of etched, lithiated aluminum that is safer and lighter weight than conventional carbon based lithium-ion negative electrodes. The invention provides for improved methods for making negative and positive electrodes and for energy storage devices containing them. The invention provides sufficient stability in organic solvent and electrolyte solutions, where the prior art processes commonly fail. The invention further provides stability during repetitive charge and discharge. The invention also provides for novel microstructure protecting support membranes to be used in an energy storage device.
    Type: Application
    Filed: November 7, 2014
    Publication date: June 11, 2015
    Inventors: Robert W. Grant, Asela Maha Acharige, Mitchell R.M. Bruce
  • Publication number: 20140310951
    Abstract: The present invention relates to a method for combining anode pre-lithiation, limited-voltage formation cycles, and accelerating aging via heated storage to maximize specific capacity, volumetric capacity density and capacity retention of a lithium-ion electrochemical cell.
    Type: Application
    Filed: January 29, 2014
    Publication date: October 23, 2014
    Applicant: NANOSCALE COMPONENTS, INC.
    Inventors: Robert W. Grant, Matthew Sweetland, Asela Maha Acharige, Ronald Wohl