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1. 发明申请

WO2020197842A1 SOLID OXIDE FUEL CELL SYSTEM WITH HYDROGEN PUMPING CELL WITH CARBON MONOXIDE TOLERANT ANODES AND INTEGRATED SHIFT REACTOR 审中-公开
公开(公告)号：WO2020197842A1
公开(公告)日：2020-10-01
申请号：PCT/US2020/023089
申请日：2020-03-17
申请人： BLOOM ENERGY CORPORATION
发明人： KARUPPAIAH, Chockkalingam , GASDA, Michael , BALLANTINE, Arne , PERRY, Martin , TA, Andy , KEKELIS, Kyle , RANGANATHAN, Srikanth
IPC分类号： H01M8/0662 , H01M8/0668 , H01M8/04014 , C01B3/50 , C01B3/48 , H01M8/2425 , H01M8/124
摘要： A fuel cell system includes a fuel cell stack, a fuel inlet conduit configured to provide a fuel to a fuel inlet of the fuel cell stack, an electrochemical pump separator containing an electrolyte, a cathode, and a carbon monoxide tolerant anode, a fuel exhaust conduit that operatively connects a fuel exhaust outlet of the fuel cell stack to an anode inlet of the electrochemical pump separator, and a product conduit which operatively connects a cathode outlet of the electrochemical pump separator to the fuel inlet conduit.

2. 发明申请

WO2016126812A1 CARBON DIOXIDE SEPARATOR, FUEL CELL SYSTEM INCLUDING SAME, AND METHOD OF OPERATING FUEL CELL SYSTEM 审中-公开
标题翻译：碳二氧化物分离器，包括其的燃料电池系统以及操作燃料电池系统的方法
公开(公告)号：WO2016126812A1
公开(公告)日：2016-08-11
申请号：PCT/US2016/016353
申请日：2016-02-03
申请人： BLOOM ENERGY CORPORATION , OHIO STATE INNOVATION FOUNDATION
发明人： GASDA, Michael , BALLANTINE, Arne , KARUPPAIAH, Chockkalingam , HO, W. S. Winston
IPC分类号： B01D53/32 , H01M8/16 , B01D53/62
CPC分类号： H01M8/0668 , H01M8/04097 , H01M8/04126 , H01M8/04302 , H01M8/04303 , H01M8/04492 , H01M8/04738 , H01M8/04761 , H01M8/04776 , H01M8/04791 , H01M8/04828 , H01M8/04843 , H01M8/0687 , H01M2008/1293 , Y02C10/04
摘要： A system and method in which a high temperature fuel cell stack exhaust stream is recycled back into the fuel inlet stream of the high temperature fuel cell stack. The recycled stream may be sent to a carbon dioxide separator that separates carbon dioxide from the fuel exhaust stream. The carbon dioxide separator may include a carbon dioxide separation membrane, an oxygen blocking membrane, and a water blocking membrane.
摘要翻译：将高温燃料电池堆排气流再循环回到高温燃料电池堆的燃料入口流中的系统和方法。再循环的流可以被送到将二氧化碳与燃料排放流分离的二氧化碳分离器。二氧化碳分离器可以包括二氧化碳分离膜，阻氧膜和阻水膜。

3. 发明申请

WO2013074934A1 METHOD OF MAKING FUEL CELL INTERCONNECT USING POWDER METALLURGY 审中-公开
标题翻译：使用粉末冶金制造燃料电池互连的方法
公开(公告)号：WO2013074934A1
公开(公告)日：2013-05-23
申请号：PCT/US2012/065531
申请日：2012-11-16
申请人： BLOOM ENERGY CORPORATION
发明人： HERCHEN, Harald , KARUPPAIAH, Chockkalingam , ARMSTRONG, Tad
IPC分类号： H01M8/12 , H01M8/02 , H01M8/24
CPC分类号： H01M8/0202 , B22F3/08 , B22F2009/001 , B22F2999/00 , C22C1/045 , H01M8/0206 , H01M8/0215 , H01M8/0228 , H01M2008/1293 , Y02P10/24 , Y02P70/56 , B22F2201/20
摘要： Methods for fabricating an interconnect for a fuel cell stack that include the steps of providing a metal powder, and rapidly compressing the metal powder, such as with a combustion-driven compaction apparatus, in a lubricant-free and/or sub-atmospheric environment to form the interconnect. The interconnect may have sufficient strength and density such that the interconnect may be incorporated into a fuel cell stack without performing a separate sintering and/or an oxidation step following the compressing.
摘要翻译：制造用于燃料电池堆的互连的方法包括以下步骤：提供金属粉末，并且例如用燃烧驱动的压实装置在无润滑剂和/或低于大气的环境中将金属粉末快速压缩到形成互连。互连可以具有足够的强度和密度，使得互连可以并入燃料电池堆中而不进行压缩之后的单独的烧结和/或氧化步骤。

4. 发明申请

WO2021016057A1 INTEGRATED POWER GENERATION, CARBON DIOXIDE SEPARATION AND DOWNSTREAM PROCESSING SYSTEM AND METHOD 审中-公开
公开(公告)号：WO2021016057A1
公开(公告)日：2021-01-28
申请号：PCT/US2020/042456
申请日：2020-07-17
申请人： BLOOM ENERGY CORPORATION
发明人： BALLANTINE, Arne , KRISHNADASS, Jayakumar , KARUPPAIAH, Chockkalingam
IPC分类号： H01M8/0668 , H01M8/0444 , H01M8/04119 , H01M8/04014 , H01M8/04089 , H01M8/124 , B63H21/00
摘要： An integrated power generation and exhaust processing system includes a fuel cell system configured to generate power and to separate CO2 included in exhaust output from the fuel cell system, and an exhaust processing system configured to at least one of sequester or densify CO2 separated from the exhaust output from the fuel cell system.

5. 发明申请

WO2020068485A1 FUEL CELL SYSTEM INCLUDING SULFUR OXIDATION SUBSYSTEM AND METHOD OF OPERATING THE SAME 审中-公开
公开(公告)号：WO2020068485A1
公开(公告)日：2020-04-02
申请号：PCT/US2019/051450
申请日：2019-09-17
申请人： BLOOM ENERGY CORPORATION
发明人： WEINGAERTNER, David , EL BATAWI, Emad , KARUPPAIAH, Chockkalingam , BALLANTINE, Arne
IPC分类号： H01M8/0662 , H01M8/04089 , H01M8/04014 , B01D53/48 , B01D53/02 , H01M8/124
摘要： A fuel cell system includes a first fuel conduit configured to receive fuel from a fuel source, a reactor fluidly connected to the first fuel conduit and configured to selectively oxidize sulfur species in fuel received from the first fuel conduit, and fuel cells configured to generate power using fuel containing oxidized sulfur species received from the reactor.

6. 发明申请

WO2012170844A3 FUEL CELL BYPASS DIODE STRUCTURES AND ATTACHMENT METHODS 审中-公开
公开(公告)号：WO2012170844A3
公开(公告)日：2012-12-13
申请号：PCT/US2012/041594
申请日：2012-06-08
申请人： BLOOM ENERGY CORPORATION , GOTTMANN, Matthias , BALLANTINE, Arne , KARUPPAIAH, Chockkalingam
发明人： GOTTMANN, Matthias , BALLANTINE, Arne , KARUPPAIAH, Chockkalingam
IPC分类号： H01M8/04 , H01M8/24 , H01M8/12
摘要： A fuel cell system includes a fuel cell stack which includes a plurality of fuel cells contacted in series by a plurality of interconnects. The various embodiments provide systems and methods for coupling a fuel cell stack with an electric bypass module within a hot zone. The bypass module may include elements for conducting a current between interconnects in a fuel cell stack and thereby bypass a failed fuel cell that has become a resistive parasitic load.

7. 发明申请

WO2020139747A1 SYSTEM AND METHOD FOR IMPEDANCE TESTING DC POWER SOURCES 审中-公开
公开(公告)号：WO2020139747A1
公开(公告)日：2020-07-02
申请号：PCT/US2019/067785
申请日：2019-12-20
申请人： BLOOM ENERGY CORPORATION
发明人： BALLANTINE, Arne , GURUNATHAN, Ranganathan , VISHNUVARJULA, Anilkumar , KARUPPAIAH, Chockkalingam
IPC分类号： H02J1/10 , H02J7/34 , G06F1/26
摘要： A method includes selecting a test waveform to inject from a first DC converter to at least one first DC power source other than a fuel cell, determining a first resulting ripple that will be generated in response to injecting the test waveform onto the battery, determining at least one offset waveform to inject from at least one second DC converter to at least one second DC power source to generate one or more second ripples which cancel the first resulting ripple, injecting the test waveform from the first DC converter to the at least one first DC power source, injecting the at least one offset waveform from the at least one second DC converter to the at least one second DC power source, and determining a characteristic of the first DC power source based at least in part on the impedance response of the first DC power source.

8. 发明申请

WO2015130644A1 COMPOSITION AND PROCESSING OF METALLIC INTERCONNECTS FOR SOFC STACKS 审中-公开
标题翻译：用于SOFC堆栈的金属互连的组成和处理
公开(公告)号：WO2015130644A1
公开(公告)日：2015-09-03
申请号：PCT/US2015/017226
申请日：2015-02-24
申请人： BLOOM ENERGY CORPORATION , STACKPOLE INTERNATIONAL
发明人： SHIVANATH, Rohith , AYRE, Brendan , ARMSTRONG, Tad , GASDA, Michael , DARGA, Daniel , HERCHEN, Harald , KARUPPAIAH, Chockkalingam , DAWSON, Brandon , OSWAL, Ravi
IPC分类号： H01M8/02 , H01M8/12
CPC分类号： B22F5/00 , B22F1/0014 , B22F2003/023 , B22F2207/01 , B22F2998/10 , C22C1/045 , C22C27/06 , H01M8/0219 , H01M8/0226 , H01M2008/1293 , B22F1/0003 , B22F3/02 , B22F3/1021
摘要： A chromium-iron interconnect includes at least one of Fe rich regions in the interconnect and carbon in the interconnect.
摘要翻译：铬 - 铁互连包括互连中的富Fe区域和互连中的碳中的至少一个。

9. 发明申请

WO2013074918A1 FUEL CELL INTERCONNECTS AND METHODS OF FABRICATION 审中-公开
标题翻译：燃料电池互连和制造方法
公开(公告)号：WO2013074918A1
公开(公告)日：2013-05-23
申请号：PCT/US2012/065508
申请日：2012-11-16
申请人： BLOOM ENERGY CORPORATION
发明人： KARUPPAIAH, Chockkalingam , COUSE, Stephen , HERCHEN, Harald , DARGA, Daniel , OSWAL, Ravi , MAJAGI, Shivanand
IPC分类号： H01M8/12 , H01M8/02
CPC分类号： H01M8/04201 , B22F3/02 , B22F3/12 , B22F5/00 , B22F5/10 , B22F2998/10 , C22C1/04 , H01M8/0202 , H01M8/0208 , H01M8/021 , H01M8/0247 , H01M8/0258 , H01M8/026 , H01M8/1246 , H01M8/2425 , H01M2008/1293 , Y02E60/50 , Y02E60/525 , B22F3/10
摘要： An interconnect for a fuel cell stack includes a first plurality of ribs extending from a first major surface of the interconnect and defining a first plurality of gas flow channels between the ribs, the ribs extending between a first rib end and a second rib end and having a tapered profile in a vertical dimension, perpendicular to the first major surface of the interconnect, proximate at least one of the first rib end and the second rib end, wherein the ribs comprise a flat upper surface and rounded edges between the flat upper surface and the adjacent gas flow channels, the rounded edges having a first radius of curvature, and wherein the gas flow channels comprise a rounded surface having a second radius of curvature, different from the first radius of curvature. An interconnect may also include a riser channel opening for a gas extending through the interconnect, and a plenum for collecting the gas on a first major surface of the interconnect, wherein the plenum extends at least about 60% around the circumference of the riser channel opening. A method of fabricating an interconnect comprises placing a compressed metal powder interconnect on a porous support, and sintering the interconnect in the presence of a non-oxidizing gas.
摘要翻译：用于燃料电池堆的互连包括从互连的第一主表面延伸的第一多个肋，并且在肋之间限定第一多个气体流动通道，肋在第一肋端和第二肋端之间延伸并具有垂直于所述互连件的第一主表面的垂直尺寸的锥形轮廓接近所述第一肋端和所述第二肋端中的至少一个，其中所述肋包括平坦的上表面和在所述平的上表面和相邻的气体流动通道，圆形边缘具有第一曲率半径，并且其中气体流动通道包括具有不同于第一曲率半径的第二曲率半径的圆形表面。互连还可以包括用于延伸穿过互连件的气体的立管通道开口，以及用于在互连的第一主表面上收集气体的增压室，其中气室围绕提升管通道开口的圆周延伸至少约60％。制造互连的方法包括将压缩金属粉末互连件放置在多孔载体上，并在非氧化性气体存在下烧结互连。

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