Patents by Inventor Avraham Yadgar
Avraham Yadgar 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: 11894544Abstract: A method for renovation of a consumed anode in a metal-air cell without dismantling the cell according to embodiments of the present invention comprising circulating electrolyte through the cell to evacuate used slurry from the cell, circulating electrolyte with fresh slurry into the cell and allowing sedimentation of the fresh slurry inside the cell to form an anode and compacting the slurry to reduce the gaps between its particles.Type: GrantFiled: October 19, 2021Date of Patent: February 6, 2024Assignee: PHINERGY LTD.Inventors: Aviv Tzidon, Vital Peretz, Avraham Yadgar, Dekel Tzidon
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Patent number: 11616264Abstract: A method and system for creating low corrosion passivation layer on an anode in a metal-air cell comprise asserting high negative potential and low drawn current density on the cell after its operational parameters have stabilized after the cell has been powered-on. As a result the H2 evolution rate momentarily raises and then drops sharply, thereby causing the creation of a passivation layer on the face of the anode.Type: GrantFiled: June 30, 2021Date of Patent: March 28, 2023Assignee: Phinergy Ltd.Inventors: Ilya Yakupov, Avraham Yadgar, Aviel Danino
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Patent number: 11418640Abstract: Aluminum-air battery units and stacks are provided with frames configured to mechanically support the anode of each unit, within a housing configured to support the frame and the air cathode(s) mechanically, sealably hold the electrolyte within the housing and in fluid communication with openings in the housing—forming one or two sided electrochemical cell in each unit. The frame comprises a protective strap configured to protect edges of the rectangular anode against corrosion by the electrolyte during operation, and also an external trapezoid shape that is configured to press the protective strap against the edges of the rectangular anode upon insertion of the frame with the anode into the housing. Various embodiments comprise, spacers between the anode and cathodes and grids supporting airways to the cathodes. In disclosed configurations, anode may be replaced after electrolyte evacuation while maintaining the stack sealed and quickly ready for renewed operation.Type: GrantFiled: November 13, 2018Date of Patent: August 16, 2022Assignee: PHINERGY LTD.Inventors: Yisrael Miller, Dekel Tzidon, Avraham Yadgar
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Publication number: 20220037637Abstract: A method for renovation of a consumed anode in a metal-air cell without dismantling the cell according to embodiments of the present invention comprising circulating electrolyte through the cell to evacuate used slurry from the cell, circulating electrolyte with fresh slurry into the cell and allowing sedimentation of the fresh slurry inside the cell to form an anode and compacting the slurry to reduce the gaps between its particles.Type: ApplicationFiled: October 19, 2021Publication date: February 3, 2022Applicant: PHINERGY LTD.Inventors: Aviv Tzidon, Vital Peretz, Avraham Yadgar, Dekel Tzidon
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Patent number: 11228067Abstract: A method and system for creating low corrosion passivation layer on an anode in a metal-air cell comprise asserting high negative potential and low drawn current density on the cell after its operational parameters have stabilized after the cell has been powered-on. As a result the H2 evolution rate momentarily raises and then drops sharply, thereby causing the creation of a passivation layer on the face of the anode.Type: GrantFiled: December 14, 2017Date of Patent: January 18, 2022Assignee: PHINERGY LTD.Inventors: Ilya Yakupov, Avraham Yadgar, Aviel Danino
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Publication number: 20210391614Abstract: A method and system for creating low corrosion passivation layer on an anode in a metal-air cell comprise asserting high negative potential and low drawn current density on the cell after its operational parameters have stabilized after the cell has been powered-on. As a result the H2 evolution rate momentarily raises and then drops sharply, thereby causing the creation of a passivation layer on the face of the anode.Type: ApplicationFiled: June 30, 2021Publication date: December 16, 2021Applicant: PHINERGY LTD.Inventors: Ilya Yakupov, Avraham Yadgar, Aviel Danino
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Patent number: 11171320Abstract: A method for renovation of a consumed anode in a metal-air cell without dismantling the cell according to embodiments of the present invention comprising circulating electrolyte through the cell to evacuate used slurry from the cell, circulating electrolyte with fresh slurry into the cell and allowing sedimentation of the fresh slurry inside the cell to form an anode and compacting the slurry to reduce the gaps between its particles.Type: GrantFiled: January 28, 2020Date of Patent: November 9, 2021Assignee: PHINERGY LTD.Inventors: Aviv Tzidon, Vital Peretz, Avraham Yadgar, Dekel Tzidon
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Publication number: 20210075078Abstract: Aluminum-air battery units and stacks are provided with frames configured to mechanically support the anode of each unit, within a housing configured to support the frame and the air cathode(s) mechanically, sealably hold the electrolyte within the housing and in fluid communication with openings in the housing—forming one or two sided electrochemical cell in each unit. The frame comprises a protective strap configured to protect edges of the rectangular anode against corrosion by the electrolyte during operation, and also an external trapezoid shape that is configured to press the protective strap against the edges of the rectangular anode upon insertion of the frame with the anode into the housing. Various embodiments comprise, spacers between the anode and cathodes and grids supporting airways to the cathodes. In disclosed configurations, anode may be replaced after electrolyte evacuation while maintaining the stack sealed and quickly ready for renewed operation.Type: ApplicationFiled: November 13, 2018Publication date: March 11, 2021Applicant: Phinergy Ltd.Inventors: Yisrael MILLER, Dekel TZIDON, Avraham YADGAR
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Publication number: 20200243837Abstract: A method for renovation of a consumed anode in a metal-air cell without dismantling the cell according to embodiments of the present invention comprising circulating electrolyte through the cell to evacuate used slurry from the cell, circulating electrolyte with fresh slurry into the cell and allowing sedimentation of the fresh slurry inside the cell to form an anode and compacting the slurry to reduce the gaps between its particles.Type: ApplicationFiled: January 28, 2020Publication date: July 30, 2020Applicant: Phinergy Ltd.Inventors: Aviv TZIDON, Vital PERETZ, Avraham YADGAR, Dekel TZIDON
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Patent number: 10720659Abstract: This invention is directed to regeneration of solutions comprising metal ions, and production of valuable hydroxide compounds. Specifically, the invention is related to regeneration of spent electrolyte solutions comprising metal ions (e.g. Al ions), such as electrolyte solutions used in metal/air batteries. The invention is further related to production of layered double hydroxides, and, optionally aluminum tri-hydroxide from aluminate.Type: GrantFiled: April 13, 2015Date of Patent: July 21, 2020Assignee: PHINERGY LTDInventors: Aviv Tzidon, Mark Weaver, Ilya Yakupov, Dekel Tzidon, Avraham Yadgar, Nicola Menegazzo
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Patent number: 10608288Abstract: The present invention relates to safety methods and mechanisms for treating electrolyte solutions in batteries, specifically metal-air batteries. Systems and methods of the invention protect the battery, protect the battery operator and protect the environment from potential material hazards. This invention provides materials for arresting a potentially hazardous electrolyte solution by forming solid or gel porous polymer structures. The polymer porous structures consume or confine the electrolyte solution thus preventing its hazardous potential.Type: GrantFiled: April 13, 2015Date of Patent: March 31, 2020Assignee: PHINERGY LTD.Inventors: Aviv Tzidon, Dekel Tzidon, Avraham Yadgar, Ilya Yakupov
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Patent number: 10581061Abstract: A method for renovation of a consumed anode in a metal-air cell without dismantling the cell comprises circulating electrolyte through the cell to evacuate used slurry from the cell, circulating electrolyte with fresh slurry into the cell and allowing sedimentation of the fresh slurry inside the cell to form an anode and compacting the slurry to reduce the gaps between its particles. A meta-air cell enabling renovation of a consumed anode without dismantling the cell defining first outer face of the cell, air cathode layer adjacent the porous wall, separator wall disposed on the inner face of the air cathode layer, cell space volume to contain electrolyte and metal granules slurry, current collector layer to form an anode, made of current conductive material disposed in the space and flexible wall defining a second outer face of the cell wherein the flexible wall is adapted to be pushed towards inside of the cell subject to pressure applied to its outer face, thereby to reduce the volume of the space.Type: GrantFiled: January 3, 2017Date of Patent: March 3, 2020Assignee: PHINERGY LTDInventors: Aviv Tzidon, Vital Peretz, Avraham Yadgar, Dekel Tzidon
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Patent number: 10532384Abstract: This invention provides systems and methods for treating electrodes used in batteries and electrochemical cells upon battery/cell shutdown and prior to battery standby mode. Systems and methods of this invention are directed toward the use of aerosol to treat the electrode and to protect the electrode and/or the environment from undesired reactions.Type: GrantFiled: October 7, 2015Date of Patent: January 14, 2020Assignee: Phinergy Ltd.Inventors: Yisrael Miller, Ilya Yakupov, Avraham Yadgar
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Publication number: 20190372187Abstract: A method and system for creating low corrosion passivation layer on an anode in a metal-air cell comprise asserting high negative potential and low drawn current density on the cell after its operational parameters have stabilized after the cell has been powered-on. As a result the H2 evolution rate momentarily raises and then drops sharply, thereby causing the creation of a passivation layer on the face of the anode.Type: ApplicationFiled: December 14, 2017Publication date: December 5, 2019Applicant: PHINERGY LTD.Inventors: Ilya YAKUPOV, Avraham YADGAR, Aviel DANINO
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Patent number: 10290853Abstract: Aspects of the invention are related to a system for replacing electrolyte in a battery. The system comprising: a first tank for holding off-board electrolyte and a second tank for receiving on-board electrolyte. The system further includes fluid conduits to connect the first tank and the second tank to the battery and a controller to control transfer of the on-board electrolyte from the battery to the second tank and to control transfer of off-board electrolyte from the first tank to the battery.Type: GrantFiled: March 4, 2015Date of Patent: May 14, 2019Assignee: Phinergy Ltd.Inventors: Avraham Yadgar, Yisrael Miller, Dekel Tzidon, Aviv Tzidon
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Patent number: 10193201Abstract: A system and method for controlling operation a metal-air battery are provided. A system and method for controlling operation a metal-air battery may include controlling a current drawn from the battery; and controlling a temperature of the battery. A system and method may draw a preconfigured amount of power from a metal-air battery, and draw power from a rechargeable device when power required is greater than the preconfigured power.Type: GrantFiled: July 9, 2013Date of Patent: January 29, 2019Assignee: PHINERGY LTD.Inventor: Avraham Yadgar
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Patent number: 10096875Abstract: Flow directing element in a metal air cell is configured to cause evenly distributed flow of aqueous electrolyte solution electrolyte in it over the anode. Flow distributing element in a metal air cell is configured to lengthen the path of electrolyte flow from an inlet to the anode, thereby to increase ohmic resistance to shunt currents in the cell. A battery with these cells consumes the metal in the metal anodes evenly and with minimized shunt currents.Type: GrantFiled: March 25, 2014Date of Patent: October 9, 2018Assignee: PHINERGY LTD.Inventors: Yisrael Miller, Avraham Yadgar, Dekel Tzidon
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Patent number: 10096873Abstract: A metal/air electrochemical cell comprising at least one air cathode, an alkaline electrolyte and at least one anode component, wherein the anode component is in the form a spatial body bounded by a surface consisting of two opposite parallel bases and lateral sides, with said lateral sides being provided thereon with a protective member comprising a resilient polymer seal.Type: GrantFiled: February 26, 2014Date of Patent: October 9, 2018Assignee: PHINERGY LTD.Inventors: Avraham Yadgar, Yisrael Miller, Dekel Tzidon
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Patent number: 10090569Abstract: A system and a method for heating a component of an electric vehicle may be particularly beneficial in cold weather places and/or during winter time. The vehicle may be primarily powered by a main battery. The system may include a supplementary battery being metal-air battery including an electrolyte, for extending the driving range of the electric vehicle and a reservoir tank for holding an electrolyte volume for the metal-air battery, the electrolyte may be heated to a desired temperature. The system may further include a heat exchanger for conveying heat from the electrolyte volume, said heat is conveyable to said passenger's cabin.Type: GrantFiled: February 3, 2015Date of Patent: October 2, 2018Assignee: PHINERGY LTD.Inventors: Aviv Tzidon, Avraham Yadgar
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Publication number: 20180191044Abstract: A method for renovation of a consumed anode in a metal-air cell without dismantling the cell comprises circulating electrolyte through the cell to evacuate used slurry from the cell, circulating electrolyte with fresh slurry into the cell and allowing sedimentation of the fresh slurry inside the cell to form an anode and compacting the slurry to reduce the gaps between its particles. A meta-air cell enabling renovation of a consumed anode without dismantling the cell defining first outer face of the cell, air cathode layer adjacent the porous wall, separator wall disposed on the inner face of the air cathode layer, cell space volume to contain electrolyte and metal granules slurry, current collector layer to form an anode, made of current conductive material disposed in the space and flexible wall defining a second outer face of the cell wherein the flexible wall is adapted to be pushed towards inside of the cell subject to pressure applied to its outer face, thereby to reduce the volume of the space.Type: ApplicationFiled: January 3, 2017Publication date: July 5, 2018Inventors: Aviv TZIDON, Vital PERETZ, Avraham YADGAR, Dekel TZIDON