Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Estimated performance for conventional hydrogen storage approaches.
| H2 Storage system | H2 density (g/L) | Gravimetric (kg H2/ kg system) | Volumetric (kg H2/L) |
|---|---|---|---|
| Compressed gas (350 bar, 300 K) | 24 | 0.055 | 0.0185 |
| Compressed gas (700 bar, 300 K) | 40 | 0.052 | 0.0277 |
| Cryogenic storage (1 bar, 20 K) | 70 | ~0.05 | |
| Cryocompressed (276 bar, 20 K) | 87 | 0.058 | 0.043 |
