Solid Oxide Fuel Cells

IntroductionSolid Oxide Fuel Cells

What Are Solid Oxide Fuel Cells ?

2nd most developed fuel cell technology

Application towards power for utilities

What are Solid Oxide Fuel Cells made of?

Solid Oxide Fuel Cells

Ceramic Plates Packed in multilayer

disks One cell consists of…. …Anode …Cathode …Electrolyte Two types… Anode/Electrolyte

Supported

Fuel Type are Hydro Carbons (Ex Methane gas)Operates at very high Temp. from 800 to over 1000 (oC)Hydro Carbons oxidized at anode Oxygen is reduced at cathode creates ionic current through electrolyte.

Example of use in power plantExhaust is C02 and H20

Type Operating Temp. (Degrees Celsius)

Solid Oxide 500-1000

Polymer Electrolyte 50-100

Molten Carbonate Alkaline 600

Shows the different operating temp. of common fuel cellsEfficiency Vs Power graph Has Efficiencies as high as 70%