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Introduction of Fuel cell
 
Fuel cell is one of the high- efficient energy conversion device which produces electricity electrochemically by converting the chemical energy of the fuel directly into electrical energy thus increasing the efficiency of power production.

Fuel cell can be operated directly on Natural gas, bio gas, and Hydrogen, coalbed methane or other similar light hydrocarbons, the fuel streams and oxidant do not mix or burn.
As one type of the new green power, Fuel cell has more advantages than traditional power generation such as no pollution, more efficient and quitter. Fuel cell can be applied to distributed generation, UPS, new energy vehicles and so on.
 
Due to the development of fuel cell in the world, the fuel cell can be divided into 6 types.
  1. Solid Oxide Fuel Cell
  2. Proton exchange membrane fuel cell
  3. Direct methanol fuel cell
  4. Alkaline Fuel Cell
  5. Phosphoric Acid Fuel Cell
  6. Molten Carbonate Fuel Cell
 
At present, we are mainly absorbed in the development of the SOFC and PEMFC.
 
The theory of SOFC：
The Air is carried to the cathode, where oxygen is dissociated, yielding O2 anions. These migrate through the crystal structure of the electrolyte, going on to oxidize the hydrogen atoms carried to the anode by the fuel.This reaction yields electrons, heat and water.

Anode Reactions:
   2H2 + 2O2-->2H2O + 4e-
   2CO + O2-->2CO2 + 4e-
Cathode Reaction:
   O2 + 4e-->2O2-
 

 
 

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