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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 ide