European Journal of Scientific Research - EuroJournals

Photovoltaic-Stand-Alone Hydrogen System 391
Figure 6: I-V Characteristsics for varying Concentrations ranging from 0.2M to 1.0M
Cell Current / A
1.6
1.2
0.8
0.4
0
Temperature = 27.8ºC
Pressure = 998.6mbars
1.0M Conc
0.8M Conc.
0.6M Conc.
0.4M Conc.
0.2M Conc.
9.8 10.2 10.6 11
Cell Voltage / V
11.4 11.8
Figure 7: A graph of volume of hydrogen collected as against current flowing through the electrolysis cell for
varying concentrations compared.
Vol. of Hydrogen collected/ml/min
10
9
8
7
6
5
4
3
2
1
Temperature = 27.8ºC
Pressure = 998.6mbars
0.2M Conc.
0.4M Conc.
0.6M Conc.
0.8M Conc.
0
0 0.2 0.4 0.6 0.8 1 1.2 1.4
Current / A
1.0M Conc.