Properties of hydrogen (H2) under ambient conditions. Adapted from Sharma et al. [48].
| Properties . | Value . |
|---|---|
| Lower heating value | 119.93 MJ/kg |
| Higher heating value | 141.86 MJ/kg |
| Triple point | −259.3°C at 0.07 bar |
| Critical point | −240.2°C at 12.7 bar |
| Melting point | −259°C |
| Boiling point | −252.87°C |
| Volumetric density | 0.08376 kg/m3 |
| Energy density | 10.05 MJ/m3 |
| Molecular mass | 2.01568 amu |
| Atomic mass | 1.00784 amu |
| Atomic number | 1 |
| Properties . | Value . |
|---|---|
| Lower heating value | 119.93 MJ/kg |
| Higher heating value | 141.86 MJ/kg |
| Triple point | −259.3°C at 0.07 bar |
| Critical point | −240.2°C at 12.7 bar |
| Melting point | −259°C |
| Boiling point | −252.87°C |
| Volumetric density | 0.08376 kg/m3 |
| Energy density | 10.05 MJ/m3 |
| Molecular mass | 2.01568 amu |
| Atomic mass | 1.00784 amu |
| Atomic number | 1 |
Properties of hydrogen (H2) under ambient conditions. Adapted from Sharma et al. [48].
| Properties . | Value . |
|---|---|
| Lower heating value | 119.93 MJ/kg |
| Higher heating value | 141.86 MJ/kg |
| Triple point | −259.3°C at 0.07 bar |
| Critical point | −240.2°C at 12.7 bar |
| Melting point | −259°C |
| Boiling point | −252.87°C |
| Volumetric density | 0.08376 kg/m3 |
| Energy density | 10.05 MJ/m3 |
| Molecular mass | 2.01568 amu |
| Atomic mass | 1.00784 amu |
| Atomic number | 1 |
| Properties . | Value . |
|---|---|
| Lower heating value | 119.93 MJ/kg |
| Higher heating value | 141.86 MJ/kg |
| Triple point | −259.3°C at 0.07 bar |
| Critical point | −240.2°C at 12.7 bar |
| Melting point | −259°C |
| Boiling point | −252.87°C |
| Volumetric density | 0.08376 kg/m3 |
| Energy density | 10.05 MJ/m3 |
| Molecular mass | 2.01568 amu |
| Atomic mass | 1.00784 amu |
| Atomic number | 1 |
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