What is difference between ideal fuel cell and actual fuel cell?

Difference between Actual fuel cell and Ideal fuel cell is given bellow:

Actual Fuel Cell	Ideal Fuel Cell
a)  In actual fuel cell the transport of oxidizer, electrolyte, fuel and product from electrode. Surface is not in proper proportion and complex	Proper proportions are maintained and make the system simple.
b)  Homogenous reaction take place for three phase interface of an oxidizer, a liquid fuel electrolyte and solid electrode.	No homogenous reaction take place.
c)   The diffuser process at the electrode surface is quiet complex.	Simple.
d)  Too much liquid or gas enters the electrolyte and reduce the surface.	No liquid or gas enters.
e)   Activation energy reduces the work of cell.	No activation energy.
f)    Spurious chemical and electro-chemical reaction takes place at various places within the cell.	This is absent in ideal cell.
g)  Various auxiliaries such as pumps, fans and control system require some energy in an actual fuel cell plant.	There are not necessary in ideal cell.
h)  There have some consideration such as 1.    Reliability 2.    Safety 3.    Initial cost 4.    Environment effect. 5.    Metal should not be corrosive.	No consideration in Ideal fuel cell.
i)    Ohomic resistance reduce the terminal emf and work of the cell.	There has no Ohomic los resistance.