Performance of a 1 kW Class Nafion-PTFE Composite Membrane Fuel Cell Stack

Table 2

Comparison of the properties of the composite membrane with Nafion 112 membranes.

S. No	Property	Composite membrane	Nafion 112
1	Thickness	28 ± 5 𝜇m	50 𝜇m
2	Water uptake	16	30
3	Thermal stability	>300^°C	<300^°C^*
4	Youngs modulas (Mpa)	241	117.7
5	Ionomer content (mg/cm^2)	2	9

^*[22]