公开(公告)号：US07432221B2

公开(公告)日：2008-10-07

申请号：US10453136

申请日：2003-06-03

申请人： Chang-Soo Kim ,  Young-Gi Kim ,  Wong-Yong Lee ,  Gu-Gon Park ,  Tae-Hyun Yang

发明人： Chang-Soo Kim ,  Young-Gi Kim ,  Wong-Yong Lee ,  Gu-Gon Park ,  Tae-Hyun Yang

IPC分类号： B01J23/00 ,  B01J23/40 ,  B01J21/18

CPC分类号： H01M4/925 ,  B01J21/18 ,  B01J23/40 ,  B01J23/56 ,  B01J23/89 ,  B01J35/10 ,  B01J35/1061 ,  H01M4/8605 ,  H01M4/921

摘要： Disclosed is an electrocatalyst for fuel cells, in which a porous carbon material including pores having a diameter smaller than a kinetic diameter of carbon monoxide is used as a support body and contact probability between an activated metal and carbon monoxide is decreased, thereby preventing fuel cell performance from being degraded by carbon monoxide. The electrocatalyst is obtained by adsorbing 10-80 parts by weight of an activated metal to 20-90 parts by weight of a porous support body, characterized in that the porous support body has a total surface area of 200-2,500 m2/g including an outer surface thereof and an inner surface of pores thereof, and has a plurality of pores penetrating into an interior of the support body with an average diameter of 2-15 nm and a total volume of 0.4-2.0 m3/g, and the activated metal is alloyed with 20-95 at % of platinum and 5-80 at % of one metal selected from among Ru, Sn, Os, Rh, Ir, Pd, V, Cr, Co, Ni, Fe and Mn. As for such an electrocatalyst, carbon monoxide does not fundamentally come in contact with the activated metal adsorbed to the inner surface of the pores of the support body, thereby minimizing degradation of fuel cell performance, thus overcoming fuel-feeding problems.

摘要翻译： 公开了一种用于燃料电池的电极催化剂，其中使用包含直径小于一氧化碳的动力学直径的孔的多孔碳材料作为支撑体，活化金属与一氧化碳之间的接触概率降低，从而防止燃料电池 一氧化碳降解的性能。 通过将10-80重量份的活化金属吸附到20-90重量份的多孔支撑体中而获得电催化剂，其特征在于，所述多孔支撑体的总表面积为200-2,500μm2 包括其外表面和其孔的内表面，并且具有贯穿支撑体内部的多个孔，平均直径为2-15nm，总体积为0.4-2.0 活性金属与选自Ru，Sn，Os，Rh，Ir，Pd等的一种金属合金为20-95at％的铂和5-80at％的金属， V，Cr，Co，Ni，Fe和Mn。 对于这样的电催化剂，一氧化碳与吸附在支撑体的孔的内表面的活化金属基本上不接触，从而使燃料电池性能的劣化最小化，从而克服了燃料供给问题。

公开(公告)号：US20090186252A1

公开(公告)日：2009-07-23

申请号：US12374929

申请日：2007-07-25

申请人： Jin-Soo Park ,  Krishnan Palanichamy ,  Chang-Soo Kim ,  Sung-Dae Yim ,  Tae-Hyun Yang ,  Gu-Gon Park ,  Young-Gi Yoon ,  Seok-Hee Park ,  Min-Jin Kim ,  Suk-Kee Um ,  Sang-Phil Yu ,  Wong-Yong Lee

发明人： Jin-Soo Park ,  Krishnan Palanichamy ,  Chang-Soo Kim ,  Sung-Dae Yim ,  Tae-Hyun Yang ,  Gu-Gon Park ,  Young-Gi Yoon ,  Seok-Hee Park ,  Min-Jin Kim ,  Suk-Kee Um ,  Sang-Phil Yu ,  Wong-Yong Lee

IPC分类号： H01M8/10 ,  C08J5/20

CPC分类号： C08J5/2287 ,  C08J2381/06 ,  H01M8/1011 ,  H01M8/1025 ,  H01M8/1027 ,  H01M8/1032 ,  H01M8/1048 ,  H01M2008/1095 ,  H01M2300/0068 ,  H01M2300/0071 ,  H01M2300/0082 ,  H01M2300/0091 ,  Y02E60/523

摘要： The present invention relates to a preparing process an organic-inorganic composite polymer membrane for fuel cell by using sol-gel process. At this time, it is characterized in that when a sulfonated hydrocarbons polymer having ion conductivity is cast with film shape, sol-gel process which enables to distribute an inorganic matter having an excellent cation exchange and moisture holding capacity homogeneously is used. With homogeneous introduction of an inorganic matter into a polymer matrix by sol-gel process according to the present invention, it is possible to improve a phenomenon that an inorganic matter is partially concentrated at some position, thereby enabling to obtain an ion conducting organic-inorganic composite polymer membrane having an excellent ion conductivity.

摘要翻译： 本发明涉及一种使用溶胶 - 凝胶法制备燃料电池有机 - 无机复合聚合物膜的方法。 此时，其特征在于，当使用具有离子传导性的磺化烃类聚合物以膜状流延时，使用能够均匀分布具有优异的阳离子交换和保湿能力的无机物质的溶胶 - 凝胶法。 通过根据本发明的溶胶 - 凝胶法将无机物质均匀地引入聚合物基质中，可以改善无机物在某一位置部分浓缩的现象，从而能够获得离子导电的有机 - 无机 复合聚合物膜具有优异的离子传导性。