Effect of temperature on solubility of V(V) in different electrolytes.
Cyclic voltammograms of 2M V(IV) in different acid concentrations. (a) H2SO4 system and (b) MSA system.
Cyclic voltammograms of 2M V(IV) in different electrolyte.
Existing forms of V(IV) dissolved in H2SO4 and MSA. (a) H2SO4 and (b) MSA.
Cyclic voltammogram of 2M V(V) with different supporting electrolyte at different scan rate. (a) 4M H2SO4 and (b) 7M MSA.
Relationship between peak current and v1/2 for cyclic voltammograms obtained at different scan rates (a) 4M H2SO4 and (b) 7M MSA.
Current-overpotential curve for the V4+/V5+ redox couple in 7M MSA (a) and 4M H2SO4 (b) at 298 K. Scan rate: 1 mV s−1. Concentration: [V4+] = [V5+] = 1M.
Charge-discharge curves of 2M V(IV) in different electrolyte at 20 mA cm−2.
Charge-discharge curves of vanadium cell using the electrolyte of 2M V(IV) in 7M MSA (a: 10 mA cm−2, b: 20 mA cm−2, c: 30 mA cm−2, d: 40 mA cm−2).
Cyclic voltammograms data for 2M V(IV) in different H2SO4 concentrations.
Cyclic voltammograms data for 2M V(IV) in different MSA concentrations.
Diffusion coefficients of 2M V(IV) in the different supporting electrolyte.
Kinetic parameters for different supporting electrolytes.
Charge-discharge performance of vanadium cell using electrolyte of 2M V(IV) in 7M MSA and 4M H2SO4.
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