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公开(公告)号：US11773498B2
公开(公告)日：2023-10-03
申请号：US17408960
申请日：2021-08-23
申请人： Xergy Inc.
发明人： Bamdad Bahar , Jacob Zerby , Xhefei Li , William Parmelee
IPC分类号： C25B9/00 , C25B9/23 , B65D81/26 , B65D81/20 , C08F236/06 , C08F12/30 , C08G65/40 , C08G61/10 , C08F14/26 , C09D127/22 , C25B1/04 , C25B9/73
CPC分类号： C25B9/23 , B65D81/2069 , B65D81/266 , C08F12/30 , C08F14/26 , C08F236/06 , C08G61/10 , C08G65/4012 , C09D127/22 , C25B1/04 , C25B9/73 , C08G2261/143 , C08G2261/31 , C08G2261/312 , C08G2261/516 , C08G2650/40
摘要： An environment control system utilizes oxygen and humidity control devices that are coupled with an enclosure to independently control the oxygen concentration and the humidity level within the enclosure. An oxygen depletion device may be an oxygen depletion electrolyzer cell that reacts with oxygen within the cell and produces water through electrochemical reactions. A desiccating device may be g, a dehumidification electrolyzer cell, a desiccator, a membrane desiccator or a condenser. A controller may control the amount of voltage and/or current provided to the oxygen depletion electrolyzer cell and therefore the rate of oxygen reduction and may control the amount of voltage and/or current provided to the dehumidification electrolyzer cell and therefore the rate of humidity reduction. The oxygen level may be determined by the measurement of voltage and a limiting current of the oxygen depletion electrolyzer cell. The enclosure may be a food or artifact enclosure.
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公开(公告)号：US11273413B2
公开(公告)日：2022-03-15
申请号：US16560924
申请日：2019-09-04
申请人： Xergy Inc.
IPC分类号： B01D63/06 , B01D71/36 , B01D61/24 , B01D69/10 , B01D69/12 , C02F1/44 , B01D61/36 , B01D63/04 , C02F103/08
摘要： A composite ion conducting tube is made by wrapping a support material or ion conducting sheet to from a tube having overlaps of layers that are bonded. The ion conducting sheet or tape used to make the tube may be very thin and the tube may be formed in situ by wrapping the support material and then coating with ion conducting polymer. The ion conducting tubes may be used in a pervaporation module or desalination system. The ion conducting tubes may be spirally wrapped or longitudinally wrapped and may be very thin having a tube wall thickness of no more than 25 microns.
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公开(公告)号：US20210404709A1
公开(公告)日：2021-12-30
申请号：US17473595
申请日：2021-09-13
申请人： Xergy Inc.
发明人： Bamdad Bahar , William Parmelee
摘要： A high water transfer electrochemical compressor is described having a ‘n’ transfer of water through the ion conducting membrane of greater than one. This may be accomplished by reducing the equivalent weight of the ion conducting polymer, such as an ionomer to less than about 900 and/or by reinforcing the low equivalent weight ionomer with a support material, such as an expanded polytetrafluoroethylene. This may be accomplished by making components of the electrochemical cell hydrophilic including the electrodes and/or gas diffusion media. This may be accomplished by adding a flow component to a feed fluid or refrigerant, such as an alcohol, acid, or acetone, for example. A flow component may modify an electrode and/or the ion conducting media, by rendering them hydrophilic. A flow component may swell an ion conducting media enable high transport of the working fluid.
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公开(公告)号：US20200070142A1
公开(公告)日：2020-03-05
申请号：US16560876
申请日：2019-09-04
申请人： Xergy Inc.
发明人： Bamdad Bahar , John Wayne Saltwick
摘要： An ion exchange membrane has multiple layers of ionic polymers which each contain substantially different chemical compositions. i.e. varying side chain lengths, varying backbone chemistries or varying ionic functionality. Utilizing completely different chemistries has utility in many applications such as fuel cells where for example, one layer can help reduce fuel crossover through the membrane. Or one layer can impart substantial hydrophobicity to the electrode formulation. Or one layer can selectively diffuse a reactant while excluding others. Also, one chemistry may allow for impartation of significant mechanical properties or chemical resistance to another more ionically conductive ionomer. The ion exchange membrane may include at least two layers with substantially different chemical properties.
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公开(公告)号：US20190225487A1
公开(公告)日：2019-07-25
申请号：US15998668
申请日：2018-08-15
申请人： Xergy Inc.
发明人： Bamdad Bahar , Zhefei Li
摘要： A micro-electro-mechanical device includes an ion exchange polymer coated onto a surface or within pores of a micro-electro-mechanical portion. The micro-electro-mechanical device may be an electrode, a sensor or a cantilever. The ion exchange polymer may comprise an additive, such as an inorganic particle or powder or a metal-organic framework compound. Gases may react with the ionomer and create voltage and/or current which can be measured. The incorporation of ion exchange polymer with a MEM to produce electrode can provide interesting chemical, mechanical and electrical properties, which may have promise in sensor application and some other applications. The ion exchange polymer may be either cation exchange polymer or anion exchange polymer. The ion exchange polymer can be chemically cross-linked, or reinforced by support material or additive.
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公开(公告)号：US20190192806A1
公开(公告)日：2019-06-27
申请号：US16291932
申请日：2019-03-04
申请人： Xergy Inc
发明人： Bamdad Bahar , Jacob Zerby
CPC分类号： F24F11/0008 , A61L2/035 , A61M16/101 , C25B1/04 , C25B1/10 , C25B9/10 , C25B9/12 , C25B13/00 , F24F3/166 , F24F2003/144 , F24F2003/1692 , Y02E60/366
摘要： An environment control system utilizes oxygen and humidity control devices that are coupled with an enclosure to independently control the oxygen concentration and the humidity level within the enclosure. An oxygen depletion device may be an oxygen depletion electrolyzer cell that reacts with oxygen within the cell and produces water through electrochemical reactions. A desiccatting device may be g, a dehumidification electrolyzer cell, a desiccator, a membrane desiccator or a condenser. A controller may control the amount of voltage and/or current provided to the oxygen depletion electrolyzer cell and therefore the rate of oxygen reduction and may control the amount voltage and or current provided to the dehumidification electrolyzer cell and therefore the rate of humidity reduction. The oxygen level may be determined by the measurement of voltage and a limiting current of the oxygen depletion electrolyzer cell. The enclosure may be a food or artifact enclosure.
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公开(公告)号：US10087532B2
公开(公告)日：2018-10-02
申请号：US14712376
申请日：2015-05-14
申请人： Xergy Inc
发明人： Bamdad Bahar , Brian Kienitz , William Parmelee
摘要： An electrochemical compression system utilizes an electrolyzer to electrolyze an electrochemically active working fluid, at a first pressure, into decomposition products that are reformed back into said electrochemically active working fluid by a fuel cell, at a higher pressure. Water may be electrolyzed into hydrogen and oxygen and stored in reservoir tanks at an elevated pressure and subsequently provided to a fuel cell for reforming. The hydrogen is provided to the anode side of a polymer electrolyte membrane fuel cell and the oxygen is provided to the cathode side. Water is reformed on the cathode side of the fuel cell at a higher pressure than the inlet to the electrolyzer. This pressure differential enable flow of the electrochemically active working fluid through a conduit from the cathode to the electrolyzer. This flow of fluid may be used in a heat transfer system.
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公开(公告)号：US10024590B2
公开(公告)日：2018-07-17
申请号：US15418851
申请日：2017-01-30
申请人： Xergy Inc.
发明人： Bamdad Bahar
CPC分类号： F25B49/005 , C25B9/00 , F04B39/121 , F25B31/00 , F25B41/02 , F25B49/022 , F25B2500/222
摘要： An electrochemical compressor system, such as an electrochemical refrigeration system includes a sealed vessel that reduces leak issues related to the electrochemical cell. The sealed vessel may be molded or formed from a polymer or a composite polymer having reinforcing materials, such as fibers therein. The sealed vessel may be plated with metal to reduce gas permeation through the wall of the vessel and to accommodate and improve the attachment of conduits, including metal conduits thereto. A metal conduit may be brazed onto a vessel and the brazing material may be selected for polymer to metal joining and for reduced contamination potential of the system. The electrochemical compressor system incorporates a leak sensor configured at least partially within the sealed rigid vessel that measures the pressure within the vessel.
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公开(公告)号：US20180187906A1
公开(公告)日：2018-07-05
申请号：US15798123
申请日：2017-10-30
申请人： Xergy Inc.
发明人： Bamdad Bahar , William Parmelee , Omar Abdelaziz , Qu Ming
CPC分类号： F24F3/1417 , B01D1/14 , B01D5/0003 , B01D5/0027 , B01D5/0039 , B01D5/0087 , B01D5/009 , B01D53/263 , B01D53/268 , B01D2252/30 , C07D233/58 , C08L27/12 , F24F3/001 , F24F2003/1458 , F25B17/02
摘要： A cooling systems utilizes an organic ionic salt composition for dehumidification of an airflow. The organic ionic salt composition absorbs moisture from an inlet airflow to produce an outlet airflow with a reduce moisture from that of the inlet airflow. The organic ionic salt composition may be regenerated, wherein the absorbed moisture is expelled by heating with a heating device. The heating device may be an electrochemical heating device, such as a fuel cell, an electrochemical metal hydride heating device, an electrochemical heat pump or compressor, or a condenser of a refrigerant cycle, which may utilize an electrochemical pump or compressor. The efficiency of the cooling system may be increased by utilization of the waste heat the cooling system. The organic ionic salt composition may circulate back and forth or in a loop between a conditioner, where it absorbs moisture, to a regenerator, where moisture is desorbed by heating.
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公开(公告)号：US20170082328A1
公开(公告)日：2017-03-23
申请号：US15369791
申请日：2016-12-05
申请人： Xergy Inc.
发明人： Bamdad Bahar
CPC分类号： C25B9/06 , C09K5/041 , C09K5/16 , C25B1/04 , F25B1/00 , F25B1/10 , F25B2400/07 , F25B2400/075 , Y02E60/366
摘要： An electrochemical compressor incorporates an electrochemical cell having an anode and a cathode that reacts a working on the anode side into an ionic component and a reactant. The ionic component is transported through an ion conducting media to the cathode. At least a portion of the reactant passes through a reactant conduit that extends from the anode to the cathode. A transfer device, such as a pump or venturi valve configured along the reactant conduit allows the reactant to flow from the anode to the cathode. The reactant and the ionic component are reacted on the cathode to reform the working fluid. A reactant separator may be configured to selectively allow reactant into the reactant conduit. A reactant separator may be a perm-selective layer or a fluid that has high reactant solubility. The working fluid may be water with the ionic component protons and the reactant oxygen.
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