Hydrogen Production Comparison
|
Process
|
Efficiency
|
Advantages
|
Drawbacks
|
| Coal Gasification |
50-80%
|
Commercially viable, efficient, cheap, abundant fuel source | Pollutants released unless captured |
| Steam Reformation(Natural Gas) |
80%
|
Most prevalent, commercially viable | Pollutants released, gas prices unpredictable |
| Electrolysis |
25%
|
Clean, proven technology | Inefficient, not commercially viable |
| High-temp. Electrolysis |
50%
|
No pollutants, highly efficient | Generators not ready until 2030 |
| Thermochemical |
50%
|
No pollutants, highly efficient | Not commercially viable, corrodes equipment |
| Biohydrogen |
10%
|
Clean, renewable | Not yet commercially viable |
