Assertion: fuel cell's efficiency | /r/HasProperty | obtained
Facets:
Source sentences:
text: Although high efficiencies of light: hydrogen have been obtained, the hydrogenase reaction is very sensitive to oxygen, which has prohibited advances in development with this type of bacteria.
text: The energy efficiency of a fuel cell is generally between 40–60%; however, if waste heat is captured in a cogeneration scheme, efficiencies up to 85% can be obtained.