Proton-Exchange Sulfonated Poly(ether ether ketone)(SPEEK)/SiO<sub>x</sub>-S Composite Membranes in Direct Methanol Fuel Cells

GAO Qijun, WANG Yuxin, XU Li, WEI Guoqiang, WANG Zhitao

CIESC Journal . 2009, (2): 207 -213 .