Patents by Inventor Dario Dekel

Dario Dekel 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: 20210322968
    Abstract: Compositions comprising a tetraaryl ammonium salt, a tetraaryl ammonium salt covalently bound to a polymer and methods for manufacturing the same are disclosed. The disclosed compositions are useful e.g., for an anion exchange membrane, or an anion conducting polymer, and may further be used in electrochemical devices such as alkaline fuel cells, and alkaline redox-flow batteries.
    Type: Application
    Filed: August 29, 2019
    Publication date: October 21, 2021
    Inventors: Charles Eliezer DIESENDRUCK, Dario DEKEL
  • Patent number: 10741849
    Abstract: In an AMFC, in the formation of a CCM, the anode catalyst layer is selectively cross-linked while the cathode catalyst layer is not cross-linked. This has been found to provide structural stabilization of the CCM without loss of initial power value for a CCM without cross-linking.
    Type: Grant
    Filed: July 15, 2018
    Date of Patent: August 11, 2020
    Assignee: PO CELLTECH LTD.
    Inventors: Dario Dekel, Shimshon Gottesfeld
  • Publication number: 20180323442
    Abstract: In an AMFC, in the formation of a CCM, the anode catalyst layer is selectively cross-linked while the cathode catalyst layer is not cross-linked. This has been found to provide structural stabilization of the CCM without loss of initial power value for a CCM without cross-linking.
    Type: Application
    Filed: July 15, 2018
    Publication date: November 8, 2018
    Applicant: POCELL TECH LTD.
    Inventors: Dario Dekel, Shimshon Gottesfeld
  • Patent number: 10096839
    Abstract: In an AMFC, in the formation of a CCM, the anode catalyst layer is selectively cross-linked while the cathode catalyst layer is not cross-linked. This has been found to provide structural stabilization of the CCM without loss of initial power value for a CCM without cross-linking.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: October 9, 2018
    Assignee: POCELL TECH LTD.
    Inventors: Dario Dekel, Shimshon Gottesfeld
  • Patent number: 10096838
    Abstract: An alkaline membrane fuel cell including at least one of i) a catalyst coated OH— ion conducting membrane having a catalyst layer and an OH— ion conducting membrane, and ii) a catalyst coated carbonate ion conducting membrane having a catalyst layer and a carbonate ion conducting membrane, respectively, wherein the at least one catalyst layer is chemically bonded to a surface of the at least one membrane, wherein the chemical bonding is established by crosslinking of polymer constituents across an interface between the at least one catalyst layer and the at least one membrane.
    Type: Grant
    Filed: June 6, 2011
    Date of Patent: October 9, 2018
    Assignee: POCELL TECH LTD.
    Inventor: Dario Dekel
  • Publication number: 20160172686
    Abstract: In an AMFC, in the formation of a CCM, the anode catalyst layer is selectively cross-linked while the cathode catalyst layer is not cross-linked. This has been found to provide structural stabilization of the CCM without loss of initial power value for a CCM without cross-linking.
    Type: Application
    Filed: March 11, 2014
    Publication date: June 16, 2016
    Applicant: CellEra, Inc.
    Inventors: Dario Dekel, Shimshon Gottesfeld
  • Patent number: 9236624
    Abstract: Embodiments of the invention provide an ammonia operated fuel cell system including an alkaline membrane fuel cell (AMFC) having an anode, and an ammonia thermal cracker including a combustion chamber, the cracker being in gas communication with an ammonia source, and configured to provide a supply of H2 directly to the AMFC anode.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: January 12, 2016
    Assignee: Elbit Systems Land and C4I Ltd.
    Inventors: Miles Page, Dario Dekel, Ziv Gottesfeld, Shimshon Gottesfeld
  • Publication number: 20140272663
    Abstract: In an AMFC, in the formation of a CCM, the anode catalyst layer is selectively cross-linked while the cathode catalyst layer is not cross-linked. This has been found to provide structural stabilization of the CCM without loss of initial power value for a CCM without cross-linking.
    Type: Application
    Filed: March 11, 2014
    Publication date: September 18, 2014
    Applicant: CellEra, Inc.
    Inventors: Dario Dekel, Shimshon Gottesfeld
  • Publication number: 20140186728
    Abstract: Embodiments of the invention provide an ammonia operated fuel cell system including an alkaline membrane fuel cell (AMFC) having an anode, and an ammonia thermal cracker including a combustion chamber, the cracker being in gas communication with an ammonia source, and configured to provide a supply of H2 directly to the AMFC anode.
    Type: Application
    Filed: March 4, 2014
    Publication date: July 3, 2014
    Applicant: CELLERA, INC.
    Inventors: Miles Page, Dario Dekel, Ziv Gottesfeld, Shimshon Gottesfeld
  • Patent number: 8637196
    Abstract: A device to produce electricity by a chemical reaction without the addition of liquid electrolyte comprises an anode electrode, a polymer membrane electrolyte fabricated to conduct hydroxyl (OH—) ions, the membrane being in physical contact with the anode electrode on a first side of the membrane, and a cathode electrode in physical contact with a second side of the membrane. The anode electrode and cathode electrode contain catalysts, and the catalysts are constructed substantially entirely from non-precious metal catalysts. Water may be transferred to the cathode side of the membrane from an external source of water.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: January 28, 2014
    Assignee: CellEra, Inc.
    Inventors: Shimshon Gottesfeld, Dario Dekel, Ziv Gottesfeld, David Stanislav Simakov
  • Publication number: 20130295485
    Abstract: An anode catalyst for an alkaline membrane fuel cell (AMFC) includes a catalytically active component and a catalytically inactive component, wherein the catalytically active component is selected from one or more of the group of ruthenium (Ru), rhodium (Rh), silver (Ag), osmium (Os), iridium (Ir), platinum (Pt), silver (Ag) and gold (Au)) and wherein the catalytically inactive component is selected from the group of iron (Fe), lead (Pb), nickel (Ni), cobalt (Co) and zinc (Zn).
    Type: Application
    Filed: May 7, 2013
    Publication date: November 7, 2013
    Inventors: Shimshon Gottesfeld, Dario Dekel
  • Publication number: 20130273453
    Abstract: A catalyst coated membrane (CCM) for an alkaline fuel cell having OH-ion conducting catalyst layers and a membrane, wherein the ionomer throughout the entire CCM is cross-linked in one chemical step including cross-linking within the membrane and within the catalyst layers, thus enabling simultaneous chemical bonding across the interfaces between the catalyst layers and the ion conducting membrane.
    Type: Application
    Filed: June 7, 2013
    Publication date: October 17, 2013
    Inventor: Dario Dekel
  • Publication number: 20130130136
    Abstract: Embodiments of the invention provide an ammonia operated fuel cell system including an alkaline membrane fuel cell (AMFC) having an anode, and an ammonia thermal cracker including a combustion chamber, the cracker being in gas communication with an ammonia source, and configured to provide a supply of H2 directly to the AMFC anode.
    Type: Application
    Filed: June 21, 2012
    Publication date: May 23, 2013
    Inventors: Miles Page, Dario Dekel, Ziv Gottesfeld, Shimshon Gottesfeld
  • Publication number: 20120321991
    Abstract: A device to produce electricity by a chemical reaction without the addition of liquid electrolyte comprises an anode electrode, a polymer membrane electrolyte fabricated to conduct hydroxyl (OH—) ions, the membrane being in physical contact with the anode electrode on a first side of the membrane, and a cathode electrode in physical contact with a second side of the membrane. The anode electrode and cathode electrode contain catalysts, and the catalysts are constructed substantially entirely from non-precious metal catalysts. Water may be transferred to the cathode side of the membrane from an external source of water.
    Type: Application
    Filed: August 29, 2012
    Publication date: December 20, 2012
    Applicant: CellEra, Inc.
    Inventors: Shimshon Gottesfeld, Dario Dekel, Ziv Gottesfeld, David Stanislav Simakov
  • Publication number: 20120321973
    Abstract: A device to produce electricity by a chemical reaction without the addition of liquid electrolyte comprises an anode electrode, a polymer membrane electrolyte fabricated to conduct hydroxyl (OH—) ions, the membrane being in physical contact with the anode electrode on a first side of the membrane, and a cathode electrode in physical contact with a second side of the membrane. The anode electrode and cathode electrode contain catalysts, and the catalysts are constructed substantially entirely from non-precious metal catalysts. Water may be transferred to the cathode side of the membrane from an external source of water.
    Type: Application
    Filed: August 29, 2012
    Publication date: December 20, 2012
    Applicant: CellEra, Inc.
    Inventors: Shimshon Gottesfeld, Dario Dekel, Ziv Gottesfeld, David Stanislav Simakov
  • Patent number: 8304368
    Abstract: Alkaline membrane fuel cells designed with silver cathode catalysts include a catalyst layer comprising silver metal nano-particles and an anion-conducting ionomer. The silver nano-particles are mixed with a solution of the ionomer to form a catalyst ink that is applied to an alkaline membrane to form an ultra-thin cathode catalyst layer on the membrane surface.
    Type: Grant
    Filed: February 23, 2010
    Date of Patent: November 6, 2012
    Assignee: Cellera, Inc.
    Inventors: Shimshon Gottesfeld, Dario Dekel, David Stanislav Simakov
  • Patent number: 8257872
    Abstract: A device to produce electricity by a chemical reaction without the addition of liquid electrolyte comprises an anode electrode, a polymer membrane electrolyte fabricated to conduct hydroxyl (OH—) ions, the membrane being in physical contact with the anode electrode on a first side of the membrane, and a cathode electrode in physical contact with a second side of the membrane. The anode electrode and cathode electrode contain catalysts, and the catalysts are constructed substantially entirely from non-precious metal catalysts. Water may be transferred to the cathode side of the membrane from an external source of water.
    Type: Grant
    Filed: February 3, 2011
    Date of Patent: September 4, 2012
    Assignee: CellEra, Inc.
    Inventors: Shimshon Gottesfeld, Dario Dekel, Ziv Gottesfeld, Stanislav David Simakov
  • Publication number: 20110300466
    Abstract: An alkaline membrane fuel cell including at least one of i) a catalyst coated OH— ion conducting membrane having a catalyst layer and an OH— ion conducting membrane, and ii) a catalyst coated carbonate ion conducting membrane having a catalyst layer and a carbonate ion conducting membrane, respectively, wherein the at least one catalyst layer is chemically bonded to a surface of the at least one membrane, wherein the chemical bonding is established by crosslinking of polymer constituents across an interface between the at least one catalyst layer and the at least one membrane.
    Type: Application
    Filed: June 6, 2011
    Publication date: December 8, 2011
    Inventor: Dario Dekel
  • Publication number: 20110151342
    Abstract: A device to produce electricity by a chemical reaction without the addition of liquid electrolyte comprises an anode electrode, a polymer membrane electrolyte fabricated to conduct hydroxyl (OH—) ions, the membrane being in physical contact with the anode electrode on a first side of the membrane, and a cathode electrode in physical contact with a second side of the membrane. The anode electrode and cathode electrode contain catalysts, and the catalysts are constructed substantially entirely from non-precious metal catalysts. Water may be transferred to the cathode side of the membrane from an external source of water.
    Type: Application
    Filed: February 3, 2011
    Publication date: June 23, 2011
    Inventors: Shimshon Gottesfeld, Dario Dekel, Ziv Gottesfeld, David Stanislav Simakov
  • Patent number: 7943258
    Abstract: A device to produce electricity by a chemical reaction without the addition of liquid electrolyte comprises an anode electrode, a polymer membrane electrolyte fabricated to conduct hydroxyl (OH—) ions, the membrane being in physical contact with the anode electrode on a first side of the membrane, and a cathode electrode in physical contact with a second side of the membrane. The anode electrode and cathode electrode contain catalysts, and the catalysts are constructed substantially entirely from non-precious metal catalysts. Water may be transferred to the cathode side of the membrane from an external source of water.
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: May 17, 2011
    Assignee: CellEra, Inc.
    Inventors: Shimshon Gottesfeld, Dario Dekel, Ziv Gottesfeld, Stanislav David Simakov