Morphology and Electrochemical Characterization of Electrodeposited Nanocrystalline Ni-Co Electrodes for Methanol Fuel Cells

Table 2

Chemical analysis of electrolytic bath and controlling parameters for electrodeposition of Ni-Co.

Const. bath components and parameters	Concentration in (g/L)
NiSO4·7H2O	177
NiCL2·7H2O	32
CoSO4·7H2O	11
HCHO	25
HCOOH	23
H3BO3	30
Current density (mA/cm^2)	30, 50, 80
Deposition time (min)	15, 20, 30
pH	2.5–3
Temperature	21 ± 1°C