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公开(公告)号：US11641023B2
公开(公告)日：2023-05-02
申请号：US17212161
申请日：2021-03-25
发明人： Jonathan Rheaume , Matthew Pess
IPC分类号： H01M8/06 , H01M8/0606 , H01M8/04007 , H01M8/04223 , H01M8/04701 , H01M8/04858
摘要： A system for generating electrical power includes an electrochemical cell including a cathode and an anode separated by an electrolyte, a cathode fluid flow path in operative fluid communication with the cathode including a cathode-side inlet and a cathode-side outlet, and an anode fluid flow path in operative fluid communication with the anode including an anode-side inlet and an anode-side outlet. The system also includes: a reactant source in operative fluid communication with the anode-side inlet; an oxygen generator in operative fluid communication with the cathode-side inlet, including a combustible composition comprising a fuel and a salt that thermally decomposes to release oxygen; and an electrical connection between the electrochemical cell and a power sink.
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公开(公告)号：US11527771B2
公开(公告)日：2022-12-13
申请号：US17151611
申请日：2021-01-18
申请人： ESS TECH, INC.
发明人： Yang Song , Craig E. Evans
摘要： A method of rebalancing electrolytes in a redox flow battery system comprises directing hydrogen gas generated on the negative side of the redox flow battery system to a catalyst surface, and fluidly contacting the hydrogen gas with an electrolyte comprising a metal ion at the catalyst surface, wherein the metal ion is chemically reduced by the hydrogen gas at the catalyst surface, and a state of charge of the electrolyte and pH of the electrolyte remain substantially balanced.
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公开(公告)号：US11493171B2
公开(公告)日：2022-11-08
申请号：US16684235
申请日：2019-11-14
发明人： Michael Stamm , Clemens Brand , Winfried Lohmiller
IPC分类号： F17C1/06 , H01M8/04 , H01M8/06 , B64D37/02 , H01M8/04082 , H01M8/0656
摘要： A device for carrying fuel in aircraft and spacecraft includes a carrier element having a longitudinal axis, and a fuel tank with a side wall and a chamber at least partially delimited by the side wall. The tank is arranged in the carrier element. The chamber and the side wall extend in a direction along the longitudinal axis. The side wall has a pressure-receiving component that converts a pressure from the chamber on the side wall into a contraction force acting on the side wall along the longitudinal axis. The contraction force compensates for an expansion force, resulting from the pressure from the chamber and acting on the side wall along the longitudinal axis. This provides an improved device for carrying fuel in aircraft and spacecraft, wherein the aircraft and spacecraft has constant flight mechanical properties because of the device.
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公开(公告)号：US20220173422A1
公开(公告)日：2022-06-02
申请号：US17434608
申请日：2020-02-27
IPC分类号： H01M8/18 , H01M8/0656 , H01M8/06
摘要： A method of operating a flow cell. The method comprises providing a flow cell suitable for generating electrical power from hydrogen and a metal electrolyte. Said flow cell comprises a precipitate of metal oxi and said metal oxide comprises vanadium or manganese. The method further comprises electrochemically generating a redox active precipitate removal species from a precursor species, wherein said redox active precipitate removal species is capable of converting said metal oxide. The method further comprises exposing said metal oxide to said redox active precipitate removal species to effect conversion of the metal oxide.
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公开(公告)号：US20220127738A1
公开(公告)日：2022-04-28
申请号：US17427718
申请日：2020-01-31
申请人： LE System Co., LTD.
发明人： Yukio MATSUMURA
IPC分类号： C25B15/08 , C25C1/22 , H01M8/18 , H01M8/06 , H01M8/04791 , H01M8/04746 , C25B9/19
摘要： An electrolyte manufacturing device includes an electrolytic cell including a diaphragm separating an anode chamber from a cathode chamber, a circulator circulating an anolyte to the anode chamber and circulating a catholyte to the cathode chamber, and a power source supplying current. A cathode in the electrolytic cell includes a carbon fiber layer on a plane facing the diaphragm. The electrolytic cell includes an anode net placed between the anode and the diaphragm, and a cathode net placed between the cathode and the diaphragm. The circulator circulates the anolyte at a flow rate that is greater than the flow rate of the catholyte and is equal to or greater than twice the volume of gaseous oxygen generated in the anode chamber per unit time at 0° C.
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公开(公告)号：US11305250B2
公开(公告)日：2022-04-19
申请号：US16945204
申请日：2020-07-31
申请人： HELBIO S.A.
摘要： A highly compact heat integrated fuel processor, which can be used for the production of hydrogen from a fuel source, suitable to feed a fuel cell, is described. The fuel processor assembly comprises a catalytic reforming zone (29) and a catalytic combustion zone (28), separated by a wall (27). Catalyst able to induce the reforming reactions is placed in the reforming zone and catalyst able to induce the combustion reaction is placed in the combustion zone, both in the form of coating on a suitable structured substrate, in the form of a metal monolith. Fe—Cr—Al—Y steel foils, in corrugated form so as to enhance the available area for reaction, can be used as suitable substrates. The reforming and the combustion zones can be either in rectangular shape, forming a stack with alternating combustion/reforming zones or in cylindrical shape forming annular sections with alternating combustion/reforming zones, in close contact to each other. The close placement of the combustion and reforming catalyst facilitate efficient heat transfer through the wall which separates the reforming and combustion chambers.
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公开(公告)号：US11289726B2
公开(公告)日：2022-03-29
申请号：US16675986
申请日：2019-11-06
发明人： Daguang Zheng , Dacong Weng
IPC分类号： H01M8/0612 , H01M8/06 , H01M8/0606 , H01M8/04007 , H01M8/04225 , C01B3/38 , C01B3/48 , H01M8/04089 , H01M8/04111 , F01D15/10 , H01M8/0662 , H01M8/04746 , H01M8/2457
摘要： A hybrid fuel cell system includes a fuel supply system including a fuel tank, a start-up subsystem, a reforming subsystem and a depressurization system. The reforming subsystem is to receive fuel and to reform fuel to generate a hydrogen enriched gases and steam mixture. The hybrid fuel cell system includes a water supply system that provides water for the steam generator. The water supply system includes a water condenser directly downstream from the reforming subsystem that is in fluid communication with the hydrogen enriched gases and steam mixture to condense the hydrogen enriched gases and steam mixture into water and hydrogen enriched gases. The depressurization system is to reduce a pressure of the hydrogen enriched gases. The hybrid fuel cell system includes a fuel cell stack downstream from the depressurization system and having an anode inlet in fluid communication with the depressurization system to receive the hydrogen enriched gases.
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公开(公告)号：US20220085398A1
公开(公告)日：2022-03-17
申请号：US17526671
申请日：2021-11-15
IPC分类号： H01M8/06 , H01M8/20 , H01M8/1023 , H01M8/1039 , H01M8/1051 , H01M8/1053 , H01M8/18 , H01M4/90 , H01M8/04223
摘要： The present invention is directed to a redox flow battery comprising at least one electrochemical cell in fluid communication with a balancing cell, said balancing cell comprising: a first and second half-cell chamber, wherein the first half-cell chamber comprises a first electrode in contact with a first aqueous electrolyte of the redox flow battery; and wherein the second half-cell chamber comprises a second electrode comprising a catalyst for the generation of O2; and wherein the second half-cell chamber does not contain an aqueous electrolyte.
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公开(公告)号：US11253831B2
公开(公告)日：2022-02-22
申请号：US16945192
申请日：2020-07-31
申请人： HELBIO S.A.
摘要： A highly compact heat integrated fuel processor, which can be used for the production of hydrogen from a fuel source, suitable to feed a fuel cell, is described. The fuel processor assembly comprises a catalytic reforming zone (29) and a catalytic combustion zone (28), separated by a wall (27). Catalyst able to induce the reforming reactions is placed in the reforming zone and catalyst able to induce the combustion reaction is placed in the combustion zone, both in the form of coating on a suitable structured substrate, in the form of a metal monolith. Fe—Cr—Al—Y steel foils, in corrugated form so as to enhance the available area for reaction, can be used as suitable substrates. The reforming and the combustion zones can be either in rectangular shape, forming a stack with alternating combustion/reforming zones or in cylindrical shape forming annular sections with alternating combustion/reforming zones, in close contact to each other. The close placement of the combustion and reforming catalyst facilitate efficient heat transfer through the wall which separates the reforming and combustion chambers.
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公开(公告)号：US11251452B2
公开(公告)日：2022-02-15
申请号：US16737553
申请日：2020-01-08
发明人： Yu-De Zhuang , Chien-Hong Lin , Yi-Hsin Hu , Han-Wen Chou , Hwa-Jou Wei , Ning-Yih Hsu
IPC分类号： H01M8/06 , H01M8/04791 , H01M8/0444 , H01M8/18
摘要： A method is provided for restoring an electrolyte of vanadium (V) redox flow battery (VRFB). Electrolyte data of an original system are analyzed in advance. A reusable positive electrode is further equipped with a V electrolyte. A reductant for a stack of VRFB is used in coordination as an electrolysis device. After a long-term reaction with a VRFB having a high valence (greater than 3.5), an electrolyte at the positive electrode is directed out to a negative electrode of the electrolysis device; and, then, electrolysis is processed after accurate calculation. In the end, the internal fluid balancing method of the original system is combined. Thus, a harmless and quick valence restoration is processed for the electrolyte of the original system, which is a final resort for the restoration of V electrolyte.
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