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公开(公告)号：US09452475B2
公开(公告)日：2016-09-27
申请号：US13781206
申请日：2013-02-28
Applicant: Bloom Energy Corporation
Inventor： Tad Armstrong , James Wilson , Harald Herchen , Daniel Darga , Manoj Pillai
CPC classification number: H01M8/0228 , B22F3/162 , B22F5/00 , B22F7/008 , B22F7/02 , B22F7/04 , B22F7/06 , B22F2998/10 , C22C27/06 , C23C4/02 , C23C4/11 , C23C4/134 , C23C4/18 , C23C24/06 , C23C24/082 , C23C28/04 , H01M8/0208 , H01M8/0245 , H01M8/12 , H01M2008/1293 , H01M2300/0074 , Y02E60/50 , Y02E60/525
Abstract: Various methods of treating a chromium iron interconnect for a solid oxide fuel cell stack and coating the interconnect with a ceramic layer are provided.
Abstract translation: 提供了用于固体氧化物燃料电池堆处理铬铁互连以及用陶瓷层涂覆互连的各种方法。
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公开(公告)号：US09368809B2
公开(公告)日：2016-06-14
申请号：US14072381
申请日：2013-11-05
Applicant: Bloom Energy Corporation
Inventor： Paturi Balaji Narasimha Prasad , Ramesha Guntanur , Ananda Sundararajan , Natarajan Ramanan , Daniel Darga
CPC classification number: H01M8/0247 , H01M8/0228 , H01M8/0258 , H01M8/0276 , H01M2008/1293 , Y02E60/50 , Y02E60/525
Abstract: Various embodiments include interconnects and/or end plates having features for reducing stress in a fuel cell stack. In embodiments, an interconnect/end plate may have a window seal area that is recessed relative to the flow field to indirectly reduce stress induced by an interface seal. Other features may include a thicker protective coating and/or larger uncoated area of an end plate, providing a recessed portion on an end plate for an interface seal, and/or recessing the fuel hole region of an interconnect relative to the flow field to reduce stress on the fuel cell. Further embodiments include providing intermittent seal support to minimize asymmetric seal loading and/or a non-circular seal configuration to reduce stress around the fuel hole of a fuel cell.
Abstract translation: 各种实施例包括具有用于减少燃料电池堆中的应力的特征的互连和/或端板。 在实施例中，互连/端板可以具有相对于流场凹陷的窗口密封区域，以间接地减小由界面密封引起的应力。 其他特征可以包括较厚的保护涂层和/或端板的较大的未涂覆区域，在端板上提供用于界面密封件的凹陷部分和/或使互连件的燃料孔区域相对于流场凹陷以减少 对燃料电池的压力。 进一步的实施例包括提供间歇密封支撑以最小化非对称密封装载和/或非圆形密封构型以减少燃料电池燃料孔附近的应力。
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公开(公告)号：US20140127604A1
公开(公告)日：2014-05-08
申请号：US14072499
申请日：2013-11-05
Applicant: BLOOM ENERGY CORPORATION
Inventor： Daniel Darga , Vijay Srivatsan , Matthias Gottmann , Ram Ramanan , Paturi Balaji Narasimha Prasad , Ramesha Guntanur
IPC: H01M8/02
CPC classification number: H01M8/0247 , H01M8/0228 , H01M8/0258 , H01M8/0276 , H01M2008/1293 , Y02E60/50 , Y02E60/525
Abstract: Various embodiments include interconnects and/or end plates having features for reducing stress in a fuel cell stack. In embodiments, an interconnect/end plate may have a window seal area that is recessed relative to the flow field to indirectly reduce stress induced by an interface seal. Other features may include a thicker protective coating and/or larger uncoated area of an end plate, providing a recessed portion on an end plate for an interface seal, and/or recessing the fuel hole region of an interconnect relative to the flow field to reduce stress on the fuel cell. Further embodiments include providing intermittent seal support to minimize asymmetric seal loading and/or a non-circular seal configuration to reduce stress around the fuel hole of a fuel cell.
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