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公开(公告)号：US12034144B2
公开(公告)日：2024-07-09
申请号：US17486378
申请日：2021-09-27
CPC分类号： H01M4/049 , H01M2004/027
摘要： A method for forming a prelithiated, layered anode material includes contacting an ionic compound and a lithium precursor in an environment having a temperature ranging from about 200° C. to about 900° C. The ionic compound is a three-dimensional layered material represented by MX2, where M is one of calcium (Ca) and magnesium (Mg) and X is one of silicon (Si), germanium (Ge), and boron (B). The lithium precursor is selected from the group consisting of: LiH, LiC, LiOH, LiCl, and combinations thereof. The contacting of the ionic compound and the lithium precursor in the environment causes removal of cations from the ionic compound to create openings in interlayer spaces or voids in the three-dimensional layered material thereby defining a two-dimensional layered material and also causes introduction of lithium ions from the lithium precursor into the interlayer spaces or voids to form the prelithiated, layered anode material.
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公开(公告)号：US10547074B2
公开(公告)日：2020-01-28
申请号：US15286186
申请日：2016-10-05
IPC分类号： H01M8/04 , H01M8/06 , H01M8/0662 , H01M8/2457 , H01M8/1007 , H01M8/04089 , H01M8/1004 , H01M8/1039 , H01M8/241 , H01M8/1018
摘要： A fuel cell system that includes a component for removing anionic contaminants is provided. The fuel system including a fuel cell stack, a fuel gas feed subsystem in communication with fuel cell anodes in the fuel cell stack, an oxygen-containing gas feed subsystem system in communication with fuel cell cathodes in the fuel cell stack, and an anionic scavenging subsystem in communication with the fuel gas feed subsystem and/or the an oxygen-containing gas feed subsystem.
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公开(公告)号：US10439241B2
公开(公告)日：2019-10-08
申请号：US14925485
申请日：2015-10-28
IPC分类号： H01M8/04 , H01M8/04955 , H01M8/04746 , H01M4/92 , H01M8/04303
摘要： A method for reducing fuel cell voltage loss in a fuel cell that includes an anode catalyst layer including an anode catalyst and a cathode catalyst layer including a cathode catalyst with a proton exchange layer interposed between the anode catalyst layer and the cathode catalyst layer. The method includes a step of initiating shutdown of the fuel cell. Carbon monoxide or carbon monoxide-like species contaminating the anode catalyst is oxidized during shutdown such that carbon monoxide or carbon monoxide-like species is removed from the anode catalyst.
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公开(公告)号：US20140147759A1
公开(公告)日：2014-05-29
申请号：US13685474
申请日：2012-11-26
CPC分类号： H01M8/04664 , H01M8/04305 , H01M8/04447 , H01M2250/20 , Y02E60/50 , Y02T90/32
摘要： A system and method for estimating an amount of carbon support loss in fuel cells of a fuel cell stack in a vehicle, for example, during vehicle off-times. The system and method include estimating an amount of time that a hydrogen concentration in the fuel cell stack is zero and calculating an amount of carbon loss based on the amount of time that the hydrogen concentration in the fuel cell stack is zero.
摘要翻译： 一种用于估计车辆中的燃料电池堆的燃料电池中的碳载体损失量的系统和方法，例如在车辆关闭时间期间。 该系统和方法包括估计燃料电池堆中的氢浓度为零的时间量，并且基于燃料电池堆中的氢浓度为零的时间量来计算碳损失量。
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公开(公告)号：US11978880B2
公开(公告)日：2024-05-07
申请号：US17335972
申请日：2021-06-01
发明人： Jeffrey David Cain , Thomas E. Moylan , Leng Mao , Paul Taichiang Yu , Nicholas Paul William Pieczonka , Andrew Clay Bobel
IPC分类号： H01M4/04 , H01M4/36 , H01M10/0525 , H01M10/0562
CPC分类号： H01M4/0409 , H01M4/0404 , H01M4/366 , H01M10/0525 , H01M10/0562 , H01M2300/0065
摘要： A method for forming a layered anode material includes contacting a precursor material and a first electrolyte. The precursor material is a layered ionic compound represented by MX2, where M is one of calcium and magnesium and X is one of silicon, germanium, and boron. The method further includes applying a first bias and/or current as the precursor material contacts the first electrolyte to remove cations from the precursor material to create a two-dimensional structure that defines the layered anode material. In certain variations, the method further includes contacting the two-dimensional structure and a second electrolyte and applying a second bias and/or current as the two-dimensional structure contacts the second electrolyte so as to cause lithium ions to move into interlayer spaces or voids created in the two-dimensional structure by the removal of the cations thereby forming the layered anode material.
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公开(公告)号：US09099701B2
公开(公告)日：2015-08-04
申请号：US13685474
申请日：2012-11-26
IPC分类号： H01M8/04
CPC分类号： H01M8/04664 , H01M8/04305 , H01M8/04447 , H01M2250/20 , Y02E60/50 , Y02T90/32
摘要： A system and method for estimating an amount of carbon support loss in fuel cells of a fuel cell stack in a vehicle, for example, during vehicle off-times. The system and method include estimating an amount of time that a hydrogen concentration in the fuel cell stack is zero and calculating an amount of carbon loss based on the amount of time that the hydrogen concentration in the fuel cell stack is zero.
摘要翻译： 一种用于估计车辆中的燃料电池堆的燃料电池中的碳载体损失量的系统和方法，例如在车辆关闭时间期间。 该系统和方法包括估计燃料电池堆中的氢浓度为零的时间量，并且基于燃料电池堆中的氢浓度为零的时间量来计算碳损失量。
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