Fuel cells are applied to all power generation devices, including for portable power sources, automobiles, homes and power generation.
In particular, polymer electrolyte membrane fuel cells (PEMFC) are the most commercialized type of fuel cells, used primarily for homes, buildings and automobiles.

	50 W or less for portable devices	1-10 kW for buildings	80-200 kW for vehicles	100 kW or more for power generation
Fields of application
Target fuel cell	PEMFC			MCFC
	DMFC	SOFC
	-			PAFC