公开(公告)号：US08316721B2

公开(公告)日：2012-11-27

申请号：US12911478

申请日：2010-10-25

申请人： Bo Ki Hong ,  Kook Il Han ,  Ji Yeon Park ,  Byeong Heon Jeong ,  Sang Yeoul Ahn

发明人： Bo Ki Hong ,  Kook Il Han ,  Ji Yeon Park ,  Byeong Heon Jeong ,  Sang Yeoul Ahn

IPC分类号： G01N3/20

CPC分类号： G01N3/20 ,  G01N2203/0282

摘要： The present invention provides an apparatus and method for non-destructive measurement of bending stiffness of a gas diffusion layer (GDL) for a fuel cell by measuring a sagging length of a GDL sample, which can be used for a fuel cell, without damaging or destroying the GDL sample.

摘要翻译： 本发明提供了一种用于燃料电池的气体扩散层（GDL）的弯曲刚度的无损测量的装置和方法，其通过测量可用于燃料电池的GDL样品的下垂长度，而不损坏或 破坏GDL样本。

公开(公告)号：US20110314928A1

公开(公告)日：2011-12-29

申请号：US12911478

申请日：2010-10-25

申请人： Bo Ki Hong ,  Kook Il Han ,  Ji Yeon Park ,  Byeong Heon Jeong ,  Sang Yeoul Ahn

发明人： Bo Ki Hong ,  Kook Il Han ,  Ji Yeon Park ,  Byeong Heon Jeong ,  Sang Yeoul Ahn

IPC分类号： G01N3/20

CPC分类号： G01N3/20 ,  G01N2203/0282

摘要： The present invention provides an apparatus and method for non-destructive measurement of bending stiffness of a gas diffusion layer (GDL) for a fuel cell by measuring a sagging length of a GDL sample, which can be used for a fuel cell, without damaging or destroying the GDL sample.

摘要翻译： 本发明提供了一种用于燃料电池的气体扩散层（GDL）的弯曲刚度的无损测量的装置和方法，其通过测量可用于燃料电池的GDL样品的下垂长度，而不损坏或 破坏GDL样本。

公开(公告)号：US09450254B2

公开(公告)日：2016-09-20

申请号：US12543361

申请日：2009-08-18

申请人： Bo Ki Hong ,  Kook Il Han ,  Sang Yeoul Ahn ,  Keun Je Lee ,  Byeong Heon Jeong

发明人： Bo Ki Hong ,  Kook Il Han ,  Sang Yeoul Ahn ,  Keun Je Lee ,  Byeong Heon Jeong

IPC分类号： H01M8/0245 ,  H01M8/0234 ,  H01M8/02 ,  H01M4/88 ,  H01M8/10

CPC分类号： H01M8/0245 ,  H01M4/8807 ,  H01M8/0234 ,  H01M2008/1095 ,  Y02E60/50

摘要： The present invention provides a gas diffusion layer for a fuel cell vehicle with improved operational stability, the gas diffusion layer, which functions to supply hydrogen and air (oxygen) as reactant gases to a fuel cell stack, discharge product water generated by an electrochemical reaction, and transmit generated electricity, being formed with a thinned structure.For this purpose, the present invention provides a gas diffusion layer for a fuel cell vehicle with improved operational stability, the gas diffusion layer being formed with a dual layer structure including a microporous layer and a macroporous substrate, the macroporous substrate being formed of a material selected from the group consisting of carbon fiber felt and carbon fiber paper, the gas diffusion layer being thinned to have a thickness of 200 to 300 μm at 25 kPa and a thickness of 170 to 250 μm at 1 MPa, a density of 0.20 to 0.60 g/cm3 at 25 kPa, a porosity of 50 to 90% measured by mercury intrusion, and a through-plane electrical resistance of 30 mΩ·cm2 or lower measured at a clamping pressure of 1 MPa.

摘要翻译： 为此，本发明提供一种燃料电池车辆的气体扩散层，其具有改善的操作稳定性，气体扩散层由具有微孔层和大孔基体的双层结构形成，大孔基体由材料形成 选自由碳纤维毡和碳纤维纸组成的组，气体扩散层在25kPa下变薄至厚度为200-300μm，在1MPa下为170-250μm，密度为0.20至0.60 25kPa下的g / cm 3，通过水银侵蚀测定的孔隙率为50〜90％，夹钳压力为1MPa时测定的通孔面电阻为30mΩ·cm 2以下。

公开(公告)号：US20100129696A1

公开(公告)日：2010-05-27

申请号：US12543361

申请日：2009-08-18

申请人： Bo Ki Hong ,  Kook II Han ,  Sang Yeoul Ahn ,  Keun Je Lee ,  Byeong Heon Jeong

发明人： Bo Ki Hong ,  Kook II Han ,  Sang Yeoul Ahn ,  Keun Je Lee ,  Byeong Heon Jeong

IPC分类号： H01M2/14

CPC分类号： H01M8/0245 ,  H01M4/8807 ,  H01M8/0234 ,  H01M2008/1095 ,  Y02E60/50

摘要： The present invention provides a gas diffusion layer for a fuel cell vehicle with improved operational stability, the gas diffusion layer, which functions to supply hydrogen and air (oxygen) as reactant gases to a fuel cell stack, discharge product water generated by an electrochemical reaction, and transmit generated electricity, being formed with a thinned structure.For this purpose, the present invention provides a gas diffusion layer for a fuel cell vehicle with improved operational stability, the gas diffusion layer being formed with a dual layer structure including a microporous layer and a macroporous substrate, the macroporous substrate being formed of a material selected from the group consisting of carbon fiber felt and carbon fiber paper, the gas diffusion layer being thinned to have a thickness of 200 to 300 μm at 25 kPa and a thickness of 170 to 250 μm at 1 MPa, a density of 0.20 to 0.60 g/cm3 at 25 kPa, a porosity of 50 to 90% measured by mercury intrusion, and a through-plane electrical resistance of 30 mΩ·cm2 or lower measured at a clamping pressure of 1 MPa.

摘要翻译： 本发明提供一种燃料电池车辆的气体扩散层，其具有改进的操作稳定性，气体扩散层用于将氢气和空气（氧气）作为反应气体供应到燃料电池堆，排出由电化学反应产生的产物水 并且发送生成的电力，形成有薄的结构。 为此，本发明提供一种燃料电池车辆的气体扩散层，其具有改善的操作稳定性，气体扩散层由具有微孔层和大孔基体的双层结构形成，大孔基体由材料形成 选自由碳纤维毡和碳纤维纸组成的组，气体扩散层在25kPa下变薄至厚度为200-300μm，在1MPa下为170-250μm，密度为0.20至0.60 25kPa下的g / cm 3，通过水银侵蚀测定的孔隙率为50〜90％，夹钳压力为1MPa时测定的通孔面电阻为30mΩ·cm 2·cm 2以下。