发明名称 |
Catalyst inks and method of application for direct methanol fuel cells |
摘要 |
Inks are formulated for forming anode and cathode catalyst layers and applied to anode and cathode sides of a membrane for a direct methanol fuel cell. The inks comprise a Pt catalyst for the cathode and a Pt-Ru catalyst for the anode, purified water in an amount 4 to 20 times that of the catalyst by weight, and a perfluorosulfonic acid ionomer in an amount effective to provide an ionomer content in the anode and cathode surfaces of 20% to 80% by volume. The inks are prepared in a two-step process while cooling and agitating the solutions. The final solution is placed in a cooler and continuously agitated while spraying the solution over the anode or cathode surface of the membrane as determined by the catalyst content.
|
申请公布号 |
US6696382(B1) |
申请公布日期 |
2004.02.24 |
申请号 |
US20000715211 |
申请日期 |
2000.11.14 |
申请人 |
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA |
发明人 |
ZELENAY PIOTR;DAVEY JOHN;REN XIAOMING;GOTTESFELD SHIMSHON;THOMAS SHARON C. |
分类号 |
B01J21/00;B01J23/00;B01J25/00;B01J29/00;B01J31/00;H01M;H01M4/86;H01M4/88;H01M4/90;H01M4/92;H01M4/96;H01M8/10;(IPC1-7):B01J21/00 |
主分类号 |
B01J21/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|