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5. Renewable Electricity Technologies ….. Cont’d• Hydrogen Fuel CellElectricity- In fuel cell, the chemical energyof the fuel is converted directlyto electrical energy.- The most advanced fuel cell isthe hydrogen – oxygen fuel cell.The system consists of porouselectrodes, an electrolyte,hydrogen as the fuel andoxygen as the oxidant. Theoutput from the system iselectricity and water.Fig. 6: Schematic representation of a hydrogen –oxygen fuel cellProf. A. S. Sambo30
5. Renewable Electricity Technologies ….. Cont’d- The reactions are as follows:H 2+ 2OH = 2H 2O + 2e¯2e¯+ ½ O 2+ H 2O = 2OH¯H2 + ½ O 2=H 2O- Fuel cell can haveefficiency of up to 83%.Fig. 7: Steady-flow process of a fuelcellProf. A. S. Sambo31
Page 8 and 9: Introduction ………. Cont’d•
Page 10 and 11: 2. Development of the National Ener
Page 12 and 13: 2. The Policy Framework on Renewabl
Page 14 and 15: 4. NATIONAL ENERGY MASTERPLAN NEMP)
Page 16 and 17: 4. National Energy Masterplan (NEMP
Page 18 and 19: 5. Renewable Electricity Technologi
Page 24 and 25: 5.. Renewable Electricity Technolog
Page 34 and 35: 6. Renewable Electricity Production
Page 42 and 43: 7. CHALLENGES TOWARDS RENEWABLEELEC
Page 44 and 45: 7. Challenges Towards Renewable …
Page 46 and 47: 8. The Way Forward ………. Cont
Page 48: Prof. A. S. Sambo48

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