Table 2 Parameters obtained from CV curves for I−/I3− on GF, CoS2, CoS2/CoS, and CoS, respectively

From: Highly active nanostructured CoS2/CoS heterojunction electrocatalysts for aqueous polysulfide/iodide redox flow batteries

Samples

J Ox

[mA cm−2]

J Red

[mA cm−2]

JOx/|JRed|

E Ox

[V]

E Red

[V]

E pp

[V]

GF

3.02

−1.58

1.91

0.61

0.38

0.23

CoS2

4.38

−3.79

1.16

0.54

0.44

0.10

CoS2/CoS

6.72

−5.85

1.15

0.54

0.44

0.10

CoS

3.04

−3.48

0.87

0.53

0.42

0.11

  1. CV cyclic voltammogram, JRed the cathodic peak current density, JOx the anodic peak current density, Epp peak-to-peak separation
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