Fuel cells

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

Field Hierarchy

Parent
Engineering 23.9M papers		Chemical engineering 3.1M papers
Current
Fuel cells 54k papers
Child
Proton exchange membrane fuel cell 41k papers	Hydrogen fuel 14.3k papers	Gaseous diffusion 7,353 papers	Methanol fuel 4,725 papers
Hydrogen economy 4,622 papers	Hydrogen vehicle 2,899 papers	Direct-ethanol fuel cell 2,231 papers	Hydrogen fuel enhancement 2,188 papers
Hydrogen technologies 1,966 papers		Regenerative fuel cell 627 papers

Trends

Notes

History