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公开(公告)号：US10181611B2
公开(公告)日：2019-01-15
申请号：US15529973
申请日：2015-11-26
发明人： Shahin Moghimi , Vince Gardner , Nathaniel Palmer , Simon Foster , Pratap Rama
IPC分类号： H01M8/04 , H01M8/04223 , H01M8/04029 , H01M8/04007 , H01M8/04089 , H01M8/04746 , H01M8/04791 , H01M8/0432 , H01M8/04858
摘要： A method of operating a fuel cell system comprising a fuel cell assembly configured to generate electrical power from a fuel flow and an oxidant flow, the method comprising a first phase and a subsequent second phase, the first phase comprising; operating the fuel cell assembly with a first stoichiometric ratio of oxidant flow to fuel flow to generate electrical power; providing said generated electrical power to a heater element for heating a coolant for supply to said fuel cell assembly; the second phase comprising; delivering coolant heated in the first phase to the fuel cell assembly; operating the fuel cell assembly with a second stoichiometric ratio of oxidant flow to fuel flow to generate electrical power, the second stoichiometric ratio lower than the first ratio.
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公开(公告)号：US11196064B2
公开(公告)日：2021-12-07
申请号：US16070958
申请日：2017-01-17
发明人： Shahin Moghimi , Pratap Rama
IPC分类号： H01M8/04537 , H01M8/04858 , H01M8/04302 , H01M8/04746
摘要： A fuel cell controller for controlling the operation of a fuel cell system comprising a plurality of fuel cells arranged together to provide electrical current at an output, the controller configured to actively set an upper limit on the rate of change in current provided by the fuel cell system at the output based on at least one electrical parameter of one or more of the fuel cells such as the lowest voltage (VMCV) of an individual fuel cell among a plurality of fuel cells.
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公开(公告)号：US11757110B2
公开(公告)日：2023-09-12
申请号：US16636498
申请日：2017-08-04
IPC分类号： H01M8/04029 , H01M8/0267 , H01M8/04223 , H01M8/04701 , H01M8/04746 , H01M8/04858 , H01M8/04955
CPC分类号： H01M8/04029 , H01M8/0267 , H01M8/0488 , H01M8/0494 , H01M8/04253 , H01M8/04723 , H01M8/04768 , H01M8/04955 , H01M2250/20
摘要： A method for operating a fuel cell system comprising a fuel cell assembly of a plurality of fuel cells configured to generate electrical power from a fuel flow and an oxidant flow to the plurality of fuel cells, the fuel cell assembly arranged in combination with a coolant storage module configured to supply the fuel cell assembly with a flow of coolant, the method performed when the temperature of the coolant in the coolant storage module is below a coolant temperature threshold and comprises; a first phase performed prior to activation of a coolant pump configured to deliver coolant from the coolant storage module to the fuel cell assembly and a second phase performed after activation of the coolant pump.
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公开(公告)号：US10923738B2
公开(公告)日：2021-02-16
申请号：US15529974
申请日：2015-11-26
发明人： Shahin Moghimi , Vince Gardner , Nathaniel Palmer , Simon Foster , Pratap Rama
IPC分类号： H01M8/0258 , H01M8/04537 , H01M8/0432 , H01M8/04701 , H01M8/0267 , H01M8/04828 , H01M8/0438
摘要： A coolant injection controller for a fuel cell system, the coolant injection controller configured to actively control the flow of a coolant to a fuel cell assembly for cooling and/or hydrating the fuel cell assembly in response to a measure of fuel cell assembly performance, wherein the coolant injection controller is configured to provide for a first mode of operation if the measure of fuel cell assembly performance is below a predetermined threshold and a second mode of operation if the measure of fuel cell assembly performance is above the predetermined threshold, the first and second modes having different coolant injection profiles and wherein, in the first mode of operation, the coolant injection profile provides for control of the flow of coolant by alternating between at least two different injection flow rates.
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公开(公告)号：US20200259191A1
公开(公告)日：2020-08-13
申请号：US16636498
申请日：2017-08-04
IPC分类号： H01M8/04029 , H01M8/04746 , H01M8/04701 , H01M8/0267 , H01M8/04828 , H01M8/04858 , H01M8/04955 , H01M8/04223
摘要： A method for operating a fuel cell system comprising a fuel cell assembly of a plurality of fuel cells configured to generate electrical power from a fuel flow and an oxidant flow to the plurality of fuel cells, the fuel cell assembly arranged in combination with a coolant storage module configured to supply the fuel cell assembly with a flow of coolant, the method performed when the temperature of the coolant in the coolant storage module is below a coolant temperature threshold and comprises; a first phase performed prior to activation of a coolant pump configured to deliver coolant from the coolant storage module to the fuel cell assembly and a second phase performed after activation of the coolant pump.
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