公开(公告)号：EP1429403B1

公开(公告)日：2010-05-19

申请号：EP03026936.9

申请日：2003-11-25

申请人： HONDA MOTOR CO., LTD.

发明人： Fukuda, Kaoru ,  Tanaka, Ichiro ,  Tani, Masaki ,  Matsuo, Junji

IPC分类号： H01M4/86 ,  H01M8/10

CPC分类号： H01M4/926 ,  H01M4/8605 ,  H01M8/1004 ,  H01M8/1023 ,  H01M2250/20 ,  Y02E60/521 ,  Y02T90/32

公开(公告)号：EP1429403A3

公开(公告)日：2009-02-25

申请号：EP03026936.9

申请日：2003-11-25

申请人： HONDA MOTOR CO., LTD.

发明人： Fukuda, Kaoru ,  Tanaka, Ichiro ,  Tani, Masaki ,  Matsuo, Junji

IPC分类号： H01M4/86 ,  H01M8/10

CPC分类号： H01M4/926 ,  H01M4/8605 ,  H01M8/1004 ,  H01M8/1023 ,  H01M2250/20 ,  Y02E60/521 ,  Y02T90/32

摘要： A membrane-electrode structure capable of exhibiting excellent electric power generation performance even in a high current region and a polymer electrolyte fuel cell using the membrane-electrode structure are provided. Additionally, electric appliances and transport machines each using the above-described polymer electrolyte fuel cell are provided. The membrane-electrode structure comprises an anode electrode 2a, a cathode electrode 2b and a polymer electrolyte membrane 3 made of a sulfonated polyarylene based polymer and held between both electrodes 2a, 2b. The cathode electrode 2b comprises an electrode catalyst layer 4b containing a catalyst particle having the catalyst loaded on the carbon particles, a pore forming member and an ion conducting polymer falling within the weight ratio range from 1.0 to 1.8 in relation to said carbon particles, and is in contact with the polymer electrolyte membrane 3 through the electrode catalyst layer 4b. The electrode catalyst layer 4b has a total sum volume of the pores falling within the pore diameter range from 0.01 to 30 µm, of the pores formed by the pore forming member, equal to or more than 6.0 µl/cm 2 ·mg catalyst. The pores formed by said pore forming member have a first peak falling within the pore diameter range from 0.01 to 0.1 µm and a second peak falling within the pore diameter range from 0.1 to 1.0 µm.

公开(公告)号：EP1429403A2

公开(公告)日：2004-06-16

申请号：EP03026936.9

申请日：2003-11-25

申请人： HONDA MOTOR CO., Ltd.

发明人： Fukuda, Kaoru ,  Tanaka, Ichiro ,  Tani, Masaki ,  Matsuo, Junji

IPC分类号： H01M4/86 ,  H01M8/10

CPC分类号： H01M4/926 ,  H01M4/8605 ,  H01M8/1004 ,  H01M8/1023 ,  H01M2250/20 ,  Y02E60/521 ,  Y02T90/32

摘要： A membrane-electrode structure capable of exhibiting excellent electric power generation performance even in a high current region and a polymer electrolyte fuel cell using the membrane-electrode structure are provided. Additionally, electric appliances and transport machines each using the above-described polymer electrolyte fuel cell are provided. The membrane-electrode structure comprises an anode electrode 2a, a cathode electrode 2b and a polymer electrolyte membrane 3 made of a sulfonated polyarylene based polymer and held between both electrodes 2a, 2b. The cathode electrode 2b comprises an electrode catalyst layer 4b containing a catalyst particle having the catalyst loaded on the carbon particles, a pore forming member and an ion conducting polymer falling within the weight ratio range from 1.0 to 1.8 in relation to said carbon particles, and is in contact with the polymer electrolyte membrane 3 through the electrode catalyst layer 4b. The electrode catalyst layer 4b has a total sum volume of the pores falling within the pore diameter range from 0.01 to 30 µm, of the pores formed by the pore forming member, equal to or more than 6.0 µl/cm 2 ·mg catalyst. The pores formed by said pore forming member have a first peak falling within the pore diameter range from 0.01 to 0.1 µm and a second peak falling within the pore diameter range from 0.1 to 1.0 µm.

摘要翻译： 提供即使在高电流区域也能显示优异的发电性能的膜 - 电极结构和使用该膜 - 电极结构的聚合物电解质燃料电池。 另外，提供各自使用上述固体高分子型燃料电池的电器和运送机。 膜 - 电极结构包括阳极电极2a，阴极电极2b和由磺化聚亚芳基基聚合物制成并且保持在两个电极2a，2b之间的聚合物电解质膜3。 阴极电极2b包括电极催化剂层4b，该电极催化剂层4b包含负载在碳颗粒上的催化剂颗粒，成孔构件和离子导电聚合物，其相对于所述碳颗粒的重量比范围为1.0至1.8;以及 通过电极催化剂层4b与高分子电解质膜3接触。 电极催化剂层4b具有等于或大于6.0微升/厘米2·mg催化剂的孔隙总孔隙的总和体积，孔隙范围为0.01〜30微米。 由所述孔形成部件形成的孔具有落入孔径范围为0.01〜0.1μm的第一峰值和落入孔径范围为0.1〜1.0μm的第二峰值。