. 2021 Jun 14;9(25):8550–8560. doi: 10.1021/acssuschemeng.1c01882

Table 2. PCE and R_d (Measured by Means of EIS) Values of Complete DSSC Devices, Ionic Conductivity (σ) Values of the Polymer Electrolyte Membranes Measured at 25 °C, and X Parameter for All Lignin-Based Membranes^a.

	PCE [%]	R_d [Ω]	σ [10^–4 S cm^–1]	Χ [S·10^–3]
LM_0.5	0.60 ± 0.05	36.7	1.05	1.71
LM_0.7	1.00 ± 0.20	20.7	1.24	2.90
LM_1	1.50 ± 0.15	27.4	1.71	3.71
LM_2	1.13 ± 0.05	41.4	1.59	1.86

X=ṽ·φ_PEGDGE/ER_d where ṽ is the volume fraction of the solid membrane in the swollen material, φ_PEGDGE is the volume fraction of PEGDGE in the membrane, ER_d = R_d·FSC_vol is the effective ionic diffusion resistance.

Table 2. PCE and Rd (Measured by Means of EIS) Values of Complete DSSC Devices, Ionic Conductivity (σ) Values of the Polymer Electrolyte Membranes Measured at 25 °C, and X Parameter for All Lignin-Based Membranesa.

Table 2. PCE and R_d (Measured by Means of EIS) Values of Complete DSSC Devices, Ionic Conductivity (σ) Values of the Polymer Electrolyte Membranes Measured at 25 °C, and X Parameter for All Lignin-Based Membranes^a.