Patents by Inventor Ge Zu
Ge Zu 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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Publication number: 20240097241Abstract: In accordance with embodiments of the present disclosure, an electrical storage facility is presented. The electrical storage facility includes an outer shell, the outer shell containing a hydrogen gas; a battery pack rigidly mounted within the outer shell, the battery pack including an array of metal hydrogen batteries; and a monitor/control system coupled to each of the metal hydrogen batteries in the array of individual metal hydrogen batteries. In some embodiments, the electrical storage facility contains low pressure hydrogen gas.Type: ApplicationFiled: September 19, 2022Publication date: March 21, 2024Inventors: Majid Keshavarz, Ge Zu, Nelson Dichter
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Publication number: 20240072338Abstract: In accordance with some embodiments of this disclosure, a metal-hydrogen battery according to embodiments of the present disclosure includes a vessel; a plurality of electrode stacks arranged in the vessel, wherein each electrode stacks of the plurality of electrode stacks includes a plurality of layers of electrodes, the layers of electrodes including alternating cathode electrodes and anode electrodes, the anode electrode being from of a transition metal anode with a catalyst, one or more separators separating the layers of electrodes, and an electrolyte that saturates each of the electrode stacks in the plurality of electrode stacks.Type: ApplicationFiled: August 29, 2022Publication date: February 29, 2024Inventors: Majid Keshavarz, Ge Zu, Nelson Dichter, Wenxiao J. Huang
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Publication number: 20230395951Abstract: An electrode stack can include a plurality of anode assemblies, each anode assembly including at least one anode layer attached to an anode tab; a plurality of cathode assemblies, each cathode assembly including at least one cathode layer attached to a cathode tab; a plurality of separators; an anode feedthrough bridge arranged to engage each anode tab of each of the plurality of anode assemblies; a cathode feedthrough bridge arranged to engage each cathode tab of each of the plurality of cathode assemblies; an anode feedthrough terminal coupled to the anode feedthrough bridge; and a cathode feedthrough terminal coupled to the cathode feedthrough bridge, wherein the plurality of anode assemblies and the plurality of cathode assemblies are alternately arranged and separated by the plurality of separators to form an electrode stack. A battery is also presented.Type: ApplicationFiled: June 1, 2022Publication date: December 7, 2023Inventors: Nelson Dichter, Jingyi Zhu, Ge Zu, Majid Keshavarz
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Publication number: 20230282890Abstract: A metal hydrogen battery is presented. The metal hydrogen batter includes an electrode stack, the electrode stack including alternating anode assemblies and cathode assemblies, the anode assemblies and cathode assemblies separated by a separator, each of the anode assemblies including at least one anode layer connected to an anode bus, each of the cathode assemblies including at least one cathode layer connected to a cathode bus, wherein each of the anode buses are electrically and mechanically attached to form an anode conductor, and wherein each of the cathode buses are electrically and mechanically attached to form a cathode conductor. The electrode stack is positioned in a pressure vessel, the pressure vessel including a side wall, a cathode end plate, and an anode end plate. Finally, an electrolyte is contained within the pressure vessel.Type: ApplicationFiled: March 4, 2022Publication date: September 7, 2023Inventors: Jingyi Zhu, Nelson Dichter, Ge Zu, Yingying Wu, Majid Keshavarz
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Publication number: 20230282852Abstract: In accordance with embodiments of this disclosure a shared pressure vessel metal hydrogen battery is disclosed. A metal hydrogen battery according to some embodiments includes one or more pressure vessels, each of the one or more pressure vessels including one or more electrode stacks, and each of the one or more pressure vessels including a fill tube; a manifold coupled to the fill tube of each of the one or more pressure vessels, the manifold including a control device; and a storage vessel coupled to the control device, wherein hydrogen gas stored in the storage vessel is supplied to the one or more pressure vessels through the manifold and the control device.Type: ApplicationFiled: March 2, 2023Publication date: September 7, 2023Inventors: Majid Keshavarz, Ge Zu
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Publication number: 20230141687Abstract: A method for operating a metal-hydrogen battery includes monitoring an indicator of degeneration of the metal-hydrogen battery during normal cycles of discharge and charge; determining whether the energy efficiency of the metal-hydrogen battery during normal cycles of discharge and charge is decayed based on the indicator; and in response to determining that the metal-hydrogen battery during normal cycles of discharge and charge is decayed due to oxidation, regenerating the metal-hydrogen battery.Type: ApplicationFiled: November 9, 2022Publication date: May 11, 2023Inventors: Michael J. Kenney, Jingyi Zhu, Ge Zu, Yingying Wu, Majid Keshavarz
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Publication number: 20220416252Abstract: Electrodes for a metal-hydrogen battery are described. The electrodes include one or more porous layers, each of the porous layers including a porous substrate and a catalyst layer covering the porous substrate, the catalyst layer including a transition metal, wherein at least one of the at least one porous layer includes a surface with features that facilitate hydrogen gas transport. In some embodiments, an anode electrode includes a first porous layer having a first surface; and a second porous layer adjacent the first porous layer having a second surface, wherein the first surface of the first porous layer and the second surface of the second porous layer form hydrogen gas transport channels.Type: ApplicationFiled: June 23, 2022Publication date: December 29, 2022Inventors: Ge Zu, Yingying Wu, Jingyi Zhu, Michael J. Kenney, Majid Keshavarz
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Publication number: 20150050570Abstract: A Vanadium chemistry flow cell battery system is described. Methods of forming the electrolyte, a formulation for the electrolyte, and a flow system utilizing the electrolyte are disclosed. In some embodiments, the vanadium electrolyte is sulfate-free.Type: ApplicationFiled: October 28, 2014Publication date: February 19, 2015Inventors: Majid Keshavarz, Ge Zu
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Patent number: 8927125Abstract: A quencher for a flow cell battery is described. The quencher utilizes a quench solution formed from FeCl2 in a dilute HCl solution in order to quench chlorine emissions from the flow cell battery. A quench sensor is further described. The quench sensor monitors the concentration level of FeCl2 in the quench solution and may also monitor the level of the quench solution in the quencher.Type: GrantFiled: September 20, 2013Date of Patent: January 6, 2015Assignee: Imergy Power Systems, Inc.Inventors: Majid Keshavarz, Saroj Kumar Sahu, Ge Zu
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Patent number: 8877365Abstract: A redox cell rebalance system is provided. In some embodiments, the rebalance system includes electrochemical cell and a photochemical cell. In some embodiments, the photochemical cell contains a source of ultraviolet radiation for producing HCl from H2 and Cl2 generated by the system. The HCl product may be collected or circulated back through the system for the rebalancing of electrolytes. A rebalance cell for use in a rebalance system is also provided. In some embodiments, the rebalance cell is the combination of an electrochemical cell and a photochemical cell. In some embodiments, a source of ultraviolet radiation is housed in the cathode compartment of the rebalance cell. In some embodiments, the source of ultraviolet radiation is used to effect the formation of HCl from H2 and Cl2 present in the rebalance cell. The HCl is dissolved in aqueous electrolytes contained in the rebalance cell, which can subsequently be circulated through a rebalance system for the rebalancing of redox cells.Type: GrantFiled: May 28, 2010Date of Patent: November 4, 2014Assignee: Deeya Energy, Inc.Inventors: Majid Keshavarz, Chockkalingam Karuppaiah, Ge Zu, Saroj Kumar Sahu, Suresh Kumar Surapalan Nair, Vasanthan Mani, Gopalakrishnan R. Parakulam, Ali Firouzi, Veluchamy Rasu
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Publication number: 20140023943Abstract: A quencher for a flow cell battery is described. The quencher utilizes a quench solution formed from FeCl2 in a dilute HCl solution in order to quench chlorine emissions from the flow cell battery. A quench sensor is further described. The quench sensor monitors the concentration level of FeCl2 in the quench solution and may also monitor the level of the quench solution in the quencher.Type: ApplicationFiled: September 20, 2013Publication date: January 23, 2014Applicant: Deeya Energy, Inc.Inventors: Majid Keshavarz, Saroj Kumar Sahu, Ge Zu
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Publication number: 20130316199Abstract: A Flow Cell System that utilizes a Vanadium Chemistry is provided. The flow cell system includes a stack, storage tanks for electrolyte, and a rebalance system coupled to correct the electrolyte oxidation state. Methods of rebalancing the negative imbalance and positive imbalance in the flow cell system are also disclosed.Type: ApplicationFiled: March 15, 2013Publication date: November 28, 2013Inventors: Majid Keshavarz, Ge Zu, Gilles Y. Champagne, Reinder J. Boersma
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Patent number: 8551299Abstract: A method of producing HCl from H2 and Cl2 is provided. In some embodiments, the method comprises at least one photochemical chamber placed in fluid communication with at least one source of H2 and at least one source of Cl2. In some embodiments, the photochemical chamber effects the formation of HCl through the use of at least one source of ultraviolet radiation contained therein. In some embodiments, the HCl product may be captured and used as a gas. In some embodiments, the HCl product may be absorbed into water to form an aqueous HCl solution.Type: GrantFiled: May 28, 2010Date of Patent: October 8, 2013Assignee: Deeya Energy, Inc.Inventors: Majid Keshavarz, Saroj Kumar Sahu, Chockkalingam Karuppaiah, Ge Zu, Suresh Kumar Surapalan Nair, Vasanthan Mani
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Patent number: 8541121Abstract: A quencher for a flow cell battery is described. The quencher utilizes a quench solution formed from FeCl2 in a dilute HCl solution in order to quench chlorine emissions from the flow cell battery. A quench sensor is further described. The quench sensor monitors the concentration level of FeCl2 in the quench solution and may also monitor the level of the quench solution in the quencher.Type: GrantFiled: January 13, 2011Date of Patent: September 24, 2013Assignee: Deeya Energy, Inc.Inventors: Majid Keshavarz, Saroj Kumar Sahu, Ge Zu
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Patent number: 8338008Abstract: An electrolyte for a flow cell battery is provided. The electrolyte includes a concentration of chromium ions that is greater than the concentration of iron ions.Type: GrantFiled: May 28, 2010Date of Patent: December 25, 2012Assignee: Deeya Energy, Inc.Inventors: Ge Zu, Majid Keshavarz
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Publication number: 20120183816Abstract: A quencher for a flow cell battery is described. The quencher utilizes a quench solution formed from FeCl2 in a dilute HCl solution in order to quench chlorine emissions from the flow cell battery. A quench sensor is further described. The quench sensor monitors the concentration level of FeCl2 in the quench solution and may also monitor the level of the quench solution in the quencher.Type: ApplicationFiled: January 13, 2011Publication date: July 19, 2012Applicant: Deeya Energy, IncorporatedInventors: MAJID KESHAVARZ, Saroj Kumar Sahu, Ge Zu
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Publication number: 20110086247Abstract: A redox cell rebalance system is provided. In some embodiments, the rebalance system includes electrochemical cell and a photochemical cell. In some embodiments, the photochemical cell contains a source of ultraviolet radiation for producing HCl from H2 and Cl2 generated by the system. The HCl product may be collected or circulated back through the system for the rebalancing of electrolytes. A rebalance cell for use in a rebalance system is also provided. In some embodiments, the rebalance cell is the combination of an electrochemical cell and a photochemical cell. In some embodiments, a source of ultraviolet radiation is housed in the cathode compartment of the rebalance cell. In some embodiments, the source of ultraviolet radiation is used to effect the formation of HCl from H2 and Cl2 present in the rebalance cell. The HCl is dissolved in aqueous electrolytes contained in the rebalance cell, which can subsequently be circulated through a rebalance system for the rebalancing of redox cells.Type: ApplicationFiled: May 28, 2010Publication date: April 14, 2011Inventors: Majid Keshavarz, Chockkalingam Karuppaiah, Ge Zu, Saroj Kumar Sahu, Suresh Kumar Surapalan Nair, Vasanthan Mani, Gopalakrishnan R. Parakulam, Ali Firouzi, Veluchamy Rasu
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Publication number: 20110081561Abstract: A method of producing HCl from H2 and Cl2 is provided. In some embodiments, the method comprises at least one photochemical chamber placed in fluid communication with at least one source of H2 and at least one source of Cl2. In some embodiments, the photochemical chamber effects the formation of HCl through the use of at least one source of ultraviolet radiation contained therein. In some embodiments, the HCl product may be captured and used as a gas. In some embodiments, the HCl product may be absorbed into water to form an aqueous HCl solution.Type: ApplicationFiled: May 28, 2010Publication date: April 7, 2011Inventors: Majid Keshavarz, Saroj Kumar Sahu, Chockkalingam Karuppaiah, Ge Zu, Suresh Kumar Surapalan Nair, Vasanthan Mani
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Publication number: 20110076526Abstract: An electrolyte for a flow cell battery is provided. The electrolyte includes a concentration of chromium ions that is greater than the concentration of iron ions.Type: ApplicationFiled: May 28, 2010Publication date: March 31, 2011Inventors: Ge Zu, Majid Keshavarz