Table 3.

Proton conductivities at 50°C and 150°C and activation energies of membranes.

Hybrid membranes	σ (S cm−1)		Ea (eV)	Vvdw(Å3)	References
	50°C	150°C
SA-EIMS@MIL-101	2.54 × 10−4	1.89 × 10−3	0.262	62.23	Chen et al., 2018
MSA-EIMS@MIL-101	8.46 × 10−5	1.02 × 10−4	0.304	70.74	Chen et al., 2018
PTSA-EIMS@MIL-101	7.67 × 10−6	2.78 × 10−4	0.424	143.36	Chen et al., 2018