Modification of Poly(ether ether ketone) Polymer for Fuel Cell Application

Table 5

Proton conductivity of polymer membranes.

Membrane	Proton conductivity (S Cm^−1)
Nafion	0.06–0.100; (25–30°C); [8]	0.19; (90°C); [8]	0.210; (120°C); [9]
SPEEK	0.008; (25°C); (DS 0.80); [10]	0.076; (100°C); (DS 0.80); [10]	0.033; (120°C); (DS 0.83); [11]
P-PEEK (20 m)	0.0069; (25°C)	0.0550; (90°C)	0.114; (120°C)