Proton exchange membrane（PEM）plays an important 
role in transportation of proton between anode and cathode 
and isolation of electrons and fuel, thus is regarded as the 
core component in proton exchange membrane fuel cells. 
Among the many types of matrix of PEM, Nafion still 
dominate the research and market in this field due to its 
higher conductivity below 90℃ and excellent chemical 
stability
[1]
. However, a high cost and a sharp decline of 
proton conductivity due to loss of water content are the two 
main limitations for further development ofNafion. A kind 
of proton exchange membrane with higher tolerance of 
higher temperature and lower humidity will be a promising 
PEM material.