ELECTRODE FOR FUEL CELL HAVING TWO KINDS OF HYDROPHILICITY AND METHOD FOR PREPARING THE SAME AND MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL COMPRISING THE SAME
摘要
An electrode for a fuel cell includes a gas diffusion layer contacting with a separator having a channel and a catalyst layer interposed between the gas diffusion layer and an electrolyte membrane. The catalyst layer of the electrode has two portions with different hydrophilicities. A portion of the catalyst layer that faces a channel has a higher hydrophilicity than a portion that does not face a channel. This electrode may control hydrophilicity of the catalyst layer differently according to locations, so it is possible to keep an amount of moisture in an electrode in a suitable way, thereby improving the performance of the cell.
申请公布号
WO2009084846(A2)
申请公布日期
2009.07.09
申请号
WO2008KR07615
申请日期
2008.12.23
申请人
LG CHEM, LTD.;KIM, HYUK;JEONG, SEONG-UK;LEE, CHANG-SONG;LEE, WON-HO
发明人
KIM, HYUK;JEONG, SEONG-UK;LEE, CHANG-SONG;LEE, WON-HO