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Review Article

Current Research Trends and Perspectives on Solid-State Nanomaterials in Hydrogen Storage

Table 2

Estimated performance for conventional hydrogen storage approaches.

H2 Storage systemH2 density (g/L)Gravimetric (kg H2/ kg system)Volumetric (kg H2/L)

Compressed gas (350 bar, 300 K)240.0550.0185
Compressed gas (700 bar, 300 K)400.0520.0277
Cryogenic storage (1 bar, 20 K)70~0.05
Cryocompressed (276 bar, 20 K)870.0580.043