. 2020 Aug 19;2(11):4559–4569. doi: 10.1021/acsapm.0c00653

Table 2. Characteristics of Cation-Exchange and Anion-Exchange Ionomer Used in the Fabrication of 2D BPM and 3D BPM.

polymer	ionic form	IEC (mmol/g)	conductivity (mS/cm)	expansion ratio (%)	water uptake (%)
Nafion	H⁺	0.92	∼70⁴⁷	10	25^a
PFAEM	Cl^–	1.02	43⁴³	16	38^b

Measured from dry membrane to conditioned in water at 60 °C.⁴⁸

Measured from dry membrane to conditioned in 95% humidity at 60 °C.⁴³