. 2016 Jun 17;6:28022. doi: 10.1038/srep28022

Table 2. Redox potential (E_1/2), heterogeneous electron-transfer rate constant (k₀), charge diffusion coefficient (D₀), and electron self-exchange reaction rate constant (k_ex) of the TEMPO- and iodide-based electrolyte in the gel state.

Mediator	E_1/2 (V vs. SHE)	k₀ (cm s⁻¹)	D₀ (10⁻⁵ cm²s⁻¹)	k_ex (10⁷ M⁻¹s⁻¹)
TEMPO in gel	0.91	0.21	3.3	2.1
TEMPO	0.91	0.58	6.8	2.8
iodide in gel	0.65	0.017	0.25	–
iodide	0.65	0.023	1.2	–

Table 2. Redox potential (E1/2), heterogeneous electron-transfer rate constant (k0), charge diffusion coefficient (D0), and electron self-exchange reaction rate constant (kex) of the TEMPO- and iodide-based electrolyte in the gel state.