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11. 发明申请

US20130089807A1 FUEL CELL WITH ENHANCED MASS TRANSFER CHARACTERISTICS 有权
公开(公告)号：US20130089807A1
公开(公告)日：2013-04-11
申请号：US13526875
申请日：2012-06-19
申请人： Bo Ki Hong , Sae Hoon Kim , Kook Il Han , Kwang Ryeol Lee , Myoung Woon Moon
发明人： Bo Ki Hong , Sae Hoon Kim , Kook Il Han , Kwang Ryeol Lee , Myoung Woon Moon
IPC分类号： H01M8/04 , H01M8/10
CPC分类号： H01M8/1007 , H01M4/8605 , H01M4/8807 , H01M4/8817 , H01M4/8821 , H01M4/886 , H01M8/1004 , H01M2008/1095 , H01M2300/0082 , Y02E60/521 , Y10S977/778 , Y10S977/89
摘要： Disclosed is a fuel cell with enhanced mass transfer characteristics in which a highly hydrophobic porous medium, which is prepared by forming a micro-nano dual structure in which nanometer-scale protrusions with a high aspect ratio are formed on the surface of a porous medium with a micrometer-scale roughness by plasma etching and then by depositing a hydrophobic thin film thereon, is used as a gas diffusion layer, thereby increasing hydrophobicity due to the micro-nano dual structure and the hydrophobic thin film. When this highly hydrophobic porous medium is used as a gas diffusion layer for a fuel cell, it is possible to reduce water flooding by efficiently discharging water produced by an electrochemical reaction of the fuel cell and to improve the performance of the fuel cell by facilitating the supply of reactant gases such as hydrogen and air (oxygen) to a membrane-electrode assembly (MEA).

12. 发明申请

US20110136044A1 GAS DIFFUSION LAYER FOR FUEL CELL APPLICATIONS 审中-公开
标题翻译：燃料电池应用的气体扩散层
公开(公告)号：US20110136044A1
公开(公告)日：2011-06-09
申请号：US12703423
申请日：2010-02-10
申请人： Kook Il Han , Bo Ki Hong
发明人： Kook Il Han , Bo Ki Hong
IPC分类号： H01M8/02
摘要： A gas diffusion layer (GDL) for fuel cell applications that can prevented channels of a bipolar plate from being intruded. The gas diffusion layer is manufactured by cutting a GDL material at a certain angle such that a machine direction of the inherent high stiffness of the GDL material is not in parallel with a major flow field direction of a bipolar plate to prevent the GDL intrusion into the channels of the bipolar plate without modifying an existing method for manufacturing the gas diffusion layer. With the gas diffusion layer, the electrochemical performance of the fuel cell can be improved and manufacturing process can be improved even in the case where the width of the rolled GDL material is small.
摘要翻译：用于燃料电池应用的气体扩散层（GDL），可以防止双极板的通道被侵入。通过以一定角度切割GDL材料来制造气体扩散层，使得GDL材料的固有高刚度的机器方向与双极板的主流场方向不平行，以防止GDL侵入不改变现有的制造气体扩散层的方法。利用气体扩散层，即使在轧制的GDL材料的宽度小的情况下，也能够提高燃料电池的电化学性能，并且能够提高制造工序。

13. 发明申请

US20120141921A1 MANUFACTURING METHOD OF FUEL CELL STACK 审中-公开
标题翻译：燃料电池堆的制造方法
公开(公告)号：US20120141921A1
公开(公告)日：2012-06-07
申请号：US13188704
申请日：2011-07-22
申请人： Kook Il Han
发明人： Kook Il Han
IPC分类号： H01M8/00
CPC分类号： H01M8/0286 , H01M8/0276 , H01M8/0284 , H01M8/0297 , H01M8/1004 , Y02P70/56
摘要： The present invention provides a joining method of a gas diffusion layer and an electrode membrane including a catalyst layer, a polymer electrolyte membrane, and a sub-gasket. In particular, the method provides a way to join the gas diffusion layer with the sub-gasket without hot-pressing the them together by forming a groove at a junction portion of the gas diffusion layer and the sub-gasket and inserting a stopper into this groove which is made of a material which hardens after being formed.
摘要翻译：本发明提供气体扩散层和包括催化剂层，聚合物电解质膜和副垫圈的电极膜的接合方法。特别地，该方法提供了一种通过在气体扩散层和副垫圈的接合部分处形成凹槽而将气体扩散层与子衬垫接合而不将它们热压在一起的方法，并将塞子插入到该衬垫中槽由在成形后硬化的材料制成。

14. 发明申请

US20120088179A1 METHOD OF CLAMPING FUEL CELL STACK 审中-公开
标题翻译：夹紧燃料电池堆的方法
公开(公告)号：US20120088179A1
公开(公告)日：2012-04-12
申请号：US12952068
申请日：2010-11-22
申请人： Bu Ho Kwak , Bo Ki Hong , Kook Il Han , Ji Yeon Park
发明人： Bu Ho Kwak , Bo Ki Hong , Kook Il Han , Ji Yeon Park
IPC分类号： H01M8/24
CPC分类号： H01M8/248 , H01M8/04089 , H01M8/04753 , H01M2008/1095
摘要： A method of clamping a fuel cell stack includes a stack preliminary clamping step, a stack pre-treatment step of performing a gas flow rate variation cycle or a clamping pressure variation cycle, wherein the gas flow rate variation cycle repeatedly changes a flow rate of a gas supplied to an anode and a cathode included in the preliminarily clamped stack, and wherein the clamping pressure variation cycle repeatedly increases and decreases the clamping pressure by pressurization and pressure release of the preliminarily clamped stack using the pressure tool, and a stack main clamping step of correcting a variation in clamping pressure occurring due to a variation in thickness of a gas diffusion layer to mainly clamp the stack after the stack pre-treatment step.
摘要翻译：夹持燃料电池堆的方法包括堆叠预备夹紧步骤，执行气体流量变化循环或夹紧压力变化循环的堆叠预处理步骤，其中气体流量变化循环重复地改变燃料电池堆的流量气体供应到预先夹紧的堆叠中包括的阳极和阴极，并且其中夹紧压力变化循环通过使用压力工具的预先夹紧的堆叠的加压和压力释放重复地增加和减小夹紧压力，并且堆叠主夹紧步骤校正由于气体扩散层的厚度变化而产生的夹紧压力的变化，以在堆叠预处理步骤之后主要夹紧堆叠。

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