Assertion: formic acid | /r/ObjectUse | used in formic acid fuel cells
Facets:
value: directly
type: MANNER
value: in hydrogen fuel cells
type: LOCATION
Source sentences:
text: Formic acid can be used as a fuel cell (it can be used directly in formic acid fuel cells and indirectly in hydrogen fuel cells).
text: It can also be used directly in formic acid fuel cells.