Patents by Inventor Dania Ghantous

Dania Ghantous 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: 20140084846
    Abstract: The present inventions, in one aspect, are directed to techniques and/or circuitry to applying a charge pulse to the terminals of the battery during a charging operation, measure a plurality of voltages of the battery which are in response to the first charge pulse, determine a charge pulse voltage (CPV) of the battery, wherein the charge pulse voltage is a peak voltage which is in response to the first charge pulse, determine whether the CPV of the battery is within a predetermined range or greater than a predetermined upper limit value and adapt one or more characteristics of a charge packet if the CPV is outside the predetermined range or is greater than a predetermined upper limit value.
    Type: Application
    Filed: September 25, 2012
    Publication date: March 27, 2014
    Inventors: Fred Berkowitz, Dania Ghantous, Nadim Maluf, Christina Peabody
  • Patent number: 8638070
    Abstract: The present inventions, in one aspect, are directed to techniques and/or circuitry to adaptively charge a battery/cell using data which is representative of a change in terminal voltage of the battery/cell. In another aspect, the present inventions are directed to techniques and/or circuitry to adaptively charge a battery/cell using data which is representative of a partial relaxation time of the battery/cell. In yet another aspect the present inventions are directed to techniques and/or circuitry to adaptively charge a battery/cell using data which is representative of an overpotential or full relaxation time of the battery/cell. In another aspect the present inventions are directed to techniques and/or circuitry to adaptively charge a battery/cell using data which is representative of a state of charge of the battery/cell.
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: January 28, 2014
    Assignee: Qnovo Inc.
    Inventors: Nadim Maluf, Dania Ghantous, Fred Berkowitz
  • Publication number: 20140021959
    Abstract: The present inventions, in one aspect, are directed to techniques and/or circuitry to determining data which is representative of the state of health, or a change therein, of the battery using the data which is representative of (i) the relaxation time of the battery and/or (ii) the overpotential of the battery. In another aspect the present inventions are directed to techniques and/or circuitry to adapt one or more characteristics of a charge signal using data which is representative of the state of health, or a change therein, of the battery. In yet another aspect the present inventions are directed to techniques and/or circuitry to determine a state of charge of the battery using data which is representative of the state of health, or a change therein, of the battery.
    Type: Application
    Filed: March 26, 2012
    Publication date: January 23, 2014
    Applicant: Qnovo Inc.
    Inventors: Nadim Maluf, Dania Ghantous, Fred Berkowitz, Christina Peabody
  • Patent number: 8513921
    Abstract: The present inventions, in one aspect, are directed to techniques and/or circuitry to adapt the charging of a battery/cell using data which is representative of an overpotential of the battery/cell. In yet another aspect the present inventions are directed to techniques and/or circuitry to calculate data which is representative of an overpotential of the battery/cell.
    Type: Grant
    Filed: February 14, 2013
    Date of Patent: August 20, 2013
    Assignee: Qnovo Inc.
    Inventors: Fred Berkowitz, Nadim Maluf, Dania Ghantous
  • Patent number: 8427112
    Abstract: The present inventions, in one aspect, are directed to techniques and/or circuitry to determine the state of charge of a battery/cell using data which is representative of an overpotential of the battery/cell. In yet another aspect the present inventions are directed to techniques and/or circuitry to adaptively charge a battery/cell using data which is representative of a state of charge of the battery/cell and/or the data which is representative of an overpotential of the battery/cell.
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: April 23, 2013
    Assignee: Qnovo Inc.
    Inventors: Dania Ghantous, Fred Berkowitz, Nadim Maluf
  • Patent number: 8368357
    Abstract: The present inventions, in one aspect, are directed to techniques and/or circuitry to adapt the charging of a battery/cell using data which is representative of an overpotential of the battery/cell. In yet another aspect the present inventions are directed to techniques and/or circuitry to calculate data which is representative of an overpotential of the battery/cell.
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: February 5, 2013
    Assignee: Qnovo Inc.
    Inventors: Dania Ghantous, Fred Berkowitz, Nadim Maluf
  • Publication number: 20120280435
    Abstract: Methods for forming a cathode active material comprise sintering flakes formed from a nickel, manganese, cobalt and lithium-containing slurry to form the cathode material having the formula Li2Ni1?x?yMnxCoyO2, wherein ‘x’ is a number between about 0 and 1, ‘y’ is a number between about 0 and 1, and ‘z’ is a number greater than or equal to about 0.8 and less than 1. Lithium-ion batteries having cathode active materials formed according to methods of embodiments of the invention are provided.
    Type: Application
    Filed: November 1, 2010
    Publication date: November 8, 2012
    Applicant: Basvah, LLC
    Inventors: Ou Mao, Feng Li, On Chang, Dania Ghantous, George Blomgren
  • Publication number: 20120203483
    Abstract: The present inventions, in one aspect, are directed to techniques and/or circuitry to determine the state of charge of a battery/cell using data which is representative of an overpotential of the battery/cell. In yet another aspect the present inventions are directed to techniques and/or circuitry to adaptively charge a battery/cell using data which is representative of a state of charge of the battery/cell and/or the data which is representative of an overpotential of the battery/cell.
    Type: Application
    Filed: October 12, 2011
    Publication date: August 9, 2012
    Inventors: Dania Ghantous, Fred Berkowitz, Nadim Maluf
  • Publication number: 20120200266
    Abstract: The present inventions, in one aspect, are directed to techniques and/or circuitry to applying a current pulse to the terminals of the battery during a charge, measuring a voltage at the terminals of the battery, determining a relationship of an open circuit voltage to an amount of charge in the battery using data which is representative of a state of health of the battery, calculating an open circuit voltage of the battery using the voltage measured at the terminals of the battery, a current applied to or removed from the battery and an impedance of the battery, and determining a state of charge of the battery using (i) the calculated open circuit voltage and (ii) the relationship of the open circuit voltage to the amount of charge.
    Type: Application
    Filed: February 5, 2012
    Publication date: August 9, 2012
    Inventors: Fred Berkowitz, Dania Ghantous, Nadim Maluf, Christina Peabody
  • Patent number: 8142928
    Abstract: Systems and methods for configuring tabs on a rechargeable battery may include a current collector comprising one or more collector foil and one or more tabs connected to the collector foil for conveying generated current from the current collector. The tabs may be configured to extract greater capacity from the battery electrodes so that the resulting battery may exhibit higher performance. The tabs may be configured so that the length of the tab is greater than the height of the collector foil so the tab may cover the height of the collector foil and may protrude from the foil.
    Type: Grant
    Filed: June 4, 2008
    Date of Patent: March 27, 2012
    Assignee: BASVAH LLC
    Inventors: George E. Blomgren, On Chang, Dania Ghantous, Ou Mao
  • Publication number: 20120032648
    Abstract: The present inventions, in one aspect, are directed to techniques and/or circuitry to adapt the charging of a battery/cell using data which is representative of an overpotential of the battery/cell. In yet another aspect the present inventions are directed to techniques and/or circuitry to calculate data which is representative of an overpotential of the battery/cell.
    Type: Application
    Filed: October 12, 2011
    Publication date: February 9, 2012
    Inventors: Dania Ghantous, Fred Berkowitz, Nadim Maluf
  • Publication number: 20120001594
    Abstract: The present inventions, in certain aspects, are directed to techniques and/or circuitry to charge a battery the method comprises (i) charging the battery via a charging sequence, wherein charging the battery includes: (a) applying a plurality of charge signals, and (b) applying one or more discharge signals wherein, in response thereto, the battery outputs electrical energy. In certain embodiments, the electrical energy output by the battery in response to the discharge signals is stored (for example, in a capacitor and/or second battery). The present inventions are also directed to, among other things, an apparatus to charge a battery comprising charging circuitry including: (i) a current source to generate a plurality of charge signals, and (ii) a current sink to generate one or more discharge signals, wherein, in response thereto, the battery outputs electrical energy.
    Type: Application
    Filed: June 29, 2011
    Publication date: January 5, 2012
    Inventors: Fred Berkowitz, Nadim Maluf, Dania Ghantous
  • Publication number: 20110316548
    Abstract: The present inventions, in one aspect, are directed to techniques and/or circuitry to determine the state of charge of a battery/cell using data which is representative of a partial relaxation time of the battery/cell. In another aspect the present inventions are directed to techniques and/or circuitry to determine the state of charge of a battery/cell using data which is representative of an overpotential or full relaxation time of the battery/cell. In yet another aspect the present inventions are directed to techniques and/or circuitry to adaptively charge a battery/cell using data which is representative of a state of charge of the battery/cell.
    Type: Application
    Filed: June 24, 2011
    Publication date: December 29, 2011
    Inventors: Dania Ghantous, Fred Berkowitz, Nadim Maluf
  • Publication number: 20110285356
    Abstract: The present inventions, in one aspect, are directed to techniques and/or circuitry to adaptively charge a battery/cell using data which is representative of a change in terminal voltage of the battery/cell. In another aspect, the present inventions are directed to techniques and/or circuitry to adaptively charge a battery/cell using data which is representative of a partial relaxation time of the battery/cell. In yet another aspect the present inventions are directed to techniques and/or circuitry to adaptively charge a battery/cell using data which is representative of an overpotential or full relaxation time of the battery/cell. In another aspect the present inventions are directed to techniques and/or circuitry to adaptively charge a battery/cell using data which is representative of a state of charge of the battery/cell.
    Type: Application
    Filed: May 19, 2011
    Publication date: November 24, 2011
    Inventors: Nadim Maluf, Dania Ghantous, Fred Berkowitz
  • Publication number: 20110274976
    Abstract: Positive electrodes for secondary batteries formed with a plurality of substantially aligned flakes within a coating. The flakes can be formed from metal oxide materials and have a number average longest dimension of greater than 100 ?m. A variety of metal oxide or metal phosphate materials may be selected such as a group consisting Of LiCoO2, LiMn2O4, Li(M1x1M2x2M3x3CO1-X1-X2)O2 where M1, M2 and M3 are selected from among Li, Ni, Mn, Cr, Ti, Mg, or Al, 0?x1<0.9, 0<x2<0.5 and 0<x3<0.5, or alternatively, LiM1(1-X)MnxO2 where 0<x<0.8 and M1 represents one or more metal elements. Methods for making positive electrode materials are also provided involving the formation of structures with a desired longest dimension, preferably polycrystalline flakes. A cathode coating containing polycrystalline flakes may be deposited onto a conductive substrate and pressed to a desired final electrode thickness.
    Type: Application
    Filed: November 3, 2009
    Publication date: November 10, 2011
    Applicant: Basvah, LLC
    Inventors: George Blomgren, Dania Ghantous, On Chang, Ou Mao, Peter Hallac, Syed Aziz
  • Publication number: 20100178559
    Abstract: The invention provides nickel-copper clad tabs for rechargeable battery negative electrodes and methods of manufacturing thereof. Systems and methods for configuring tabs on a rechargeable battery may include a current collector comprising one or more collector foil and one or more tabs connected to the collector foil for conveying generated current from the current collector. The tabs may be configured to extract greater capacity from the battery electrodes so that the resulting battery may exhibit higher performance. The tabs may be configured so that a negative electrode tab may be clad with a nickel layer and a copper layer.
    Type: Application
    Filed: January 14, 2009
    Publication date: July 15, 2010
    Inventors: Ou Mao, Eugene Tritenichenko, Yali Tang, Dania Ghantous
  • Publication number: 20100112443
    Abstract: Positive electrodes for secondary batteries formed with a plurality of substantially aligned flakes within a coating. The flakes can be formed from metal oxide materials and have a number average longest dimension of greater than 60 ?m. A variety of metal oxide or metal phosphate materials may be selected such as a group consisting of LiCoO2, LiMn2O4, Li(M1x1M2x2Co1-x1-x2)O2 where M1 and M2 are selected from among Li, Ni, Mn, Cr, Ti, Mg, or Al, 0?x1?0.5 and 0?x2?0.5, or alternatively, LiM1(1-x)MnxO2 where 0<x<0.8 and M1 represents one or more metal elements. Methods for making positive electrode materials are also provided involving the formation of structures with a desired longest dimension, preferably polycrystalline flakes. A cathode coating containing polycrystalline flakes may be deposited onto a conductive substrate and pressed to a desired final electrode thickness.
    Type: Application
    Filed: November 3, 2008
    Publication date: May 6, 2010
    Inventors: George Blomgren, Dania Ghantous, On Chang, Ou Mao, Peter Hallac, Syed Aziz
  • Publication number: 20090305120
    Abstract: Systems and methods for configuring tabs on a rechargeable battery may include a current collector comprising one or more collector foil and one or more tabs connected to the collector foil for conveying generated current from the current collector. The tabs may be configured to extract greater capacity from the battery electrodes so that the resulting battery may exhibit higher performance. The tabs may be configured so that the length of the tab is greater than the height of the collector foil so the tab may cover the height of the collector foil and may protrude from the foil.
    Type: Application
    Filed: June 4, 2008
    Publication date: December 10, 2009
    Inventors: GEORGE E. BLOMGREN, ON CHANG, DANIA GHANTOUS, OU MAO
  • Publication number: 20050227146
    Abstract: Improved submicron carbon fluoride has increased graphite content and can also have improved uniformity. The increased graphite content and/or uniformity can result in improved battery performance, for example with respect to specific capacity. Desirable battery structures provide for use with implantable medical devices. Suitable batteries can be used for high rate, medium rate, low rate or a combination of rate applications.
    Type: Application
    Filed: December 8, 2004
    Publication date: October 13, 2005
    Inventors: Dania Ghantous, Kennan Damon, Jason Lemkin
  • Patent number: 5980977
    Abstract: The present invention concerns a process to produce a high surface area niobium oxynitride, tantalum oxynitride, vanadium oxynitride, zirconium oxynitride, titanium oxynitride or molybdenum oxynitride coated substrate for use as an electrical energy storage component in a capacitor or a battery configuration.
    Type: Grant
    Filed: December 9, 1996
    Date of Patent: November 9, 1999
    Assignee: Pinnacle Research Institute, Inc.
    Inventors: Charles Z. Deng, Keh Chi Tsai, Dania Ghantous