Assertion: fuel cell's efficiency | /r/HasProperty | 83%
Facets:
value: at 298 k.[citation
type: TEMPORAL
Source sentences:
text: The maximal theoretical efficiency applying the Gibbs free energy equation ΔG = −237.13 kJ/mol and using the heating value of Hydrogen (ΔH = −285.84 kJ/mol) is 83% at 298 K.[citation needed]