. 2015 Nov 24;5(4):793–809. doi: 10.3390/membranes5040793

Table 2.

Electrochemical characteristics of the membranes in DMFC (2M CH₃OH).

Membrane Acronym	Units	E-730	E-750	F-1850	F-18120	F-2350	FZP-960	FZP-990	FZP-9110	FX-7050	Nafion^® 115
Polymer Type	Units	s-PEEK	s-PEEK	PFSA	PFSA	PFSA	PFSA-ZrP	PFSA-ZrP	PFSA-ZrP	PFSA Cross-Linked	PFSA
Equivalent weight	g/mol	700	700	1800	1800	2300	950	950	950	7000	1100
thickness	µm	30	50	50	120	50	60	90	110	50	125
Max. Power density	mW·cm⁻²	77	17	74	36	50	64	32	35	42	64
Max. Power density	@ 60 °C	77	17	74	36	50	64	32	35	42	64
R_s (EIS)	Ω cm²	0.20	0.62	0.20	0.50	0.31	0.085	0.29	0.33	0.13	0.17
R_s (EIS)	@ 60 °C	0.20	0.62	0.20	0.50	0.31	0.085	0.29	0.33	0.13	0.17
Crossover current	mA·cm⁻²	48	106	120	100	88	128	135	208	186	195
Crossover current	@ 60 °C	48	106	120	100	88	128	135	208	186	195
Max. Power density	mW·cm⁻²	145	42	116	64	80	129	55	84	67	167
Max. Power density	@ 90 °C	145	42	116	64	80	129	55	84	67	167
R_s (EIS)	Ω cm²	0.14	0.23	0.16	0.38	0.34	0.06	0.21	0.24	0.12	0.14
R_s (EIS)	@ 90 °C	0.14	0.23	0.16	0.38	0.34	0.06	0.21	0.24	0.12	0.14
Crossover current	mA·cm⁻²	74	185	193	123	121	153	162	245	260	380
Crossover current	@ 90 °C	74	185	193	123	121	153	162	245	260	380