Fuel cells

https://www.wikidata.org/wiki/Q180253

Field Hierarchy

Parent
Engineering 25.6M papers		Chemical engineering 3.1M papers
Current
Fuel cells 56.2k papers
Child
Proton exchange membrane fuel cell 40.5k papers	Hydrogen fuel 13.9k papers	Gaseous diffusion 7,348 papers	Methanol fuel 4,749 papers
Hydrogen economy 4,552 papers	Hydrogen vehicle 2,811 papers	Direct-ethanol fuel cell 2,195 papers	Hydrogen fuel enhancement 2,175 papers
Hydrogen technologies 1,890 papers		Regenerative fuel cell 617 papers

Trends

Notes

History