TABLE 1.
Effect of initial glucose concentration on electrical productivity and stability of a microbial fuel cell in which E. coli resting cells were used and NR was the electron mediator
| Glucose concn (mM) | Open circuit
|
Closed circuit
|
Closed circuit with 120 Ω of resistance
|
||||||
|---|---|---|---|---|---|---|---|---|---|
| Potential (V) | Current (mA) | Potential (V) | Current (mA) | Potential (V) | Current (mA) | Electrical charge (C) | Electrical energy (J) | Electrical stability (h) | |
| 11.1 | 0.58 | 0.0 | 0.02 | 1.2 | 0.46 | 0.5 | 58 | 27 | 32 |
| 55.5 | 0.65 | 0.0 | 0.04 | 5.6 | 0.57 | 3.6 | 1,050 | 598 | 81 |
| 111 | 0.85 | 0.0 | 0.05 | 17.7 | 0.62 | 4.8 | 2,039 | 1,264 | 118 |