Post on 22-Dec-2015
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Green energy technology
Microbial Fuel CellsPresented by:Van Thi Hoe (文氏槐 ) Pham Thi Thu Huyen (范氏秋玄 ) Rijal (里僑爾 ) Aripriharta (安培興 )
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Advantages and disadvantages
Contents
Introduction1
Types of Microbial fuel cells
2
Working Principle
3 Applications
4
5
Conclusion6
• A microbial fuel cell (MFC) are fuel cell which is use bacteria as the catalysts to oxidize organic and inorganic matter and generate electricity.
What is microbial fuel cell (MFC)?
Introduction
“ MFCs are bioelectrical devices that harness the natural metabolisms of microbes to produce electrical power directly from organic material. ”
Principle
Why we eat food ?
To produce energy , gain vitamin , protein etc. This is our metabolism
Microbes exactly do the same, they eat organic material then produce energy for themselves.
This is the metabolism of microbe.
But some of microbes (bacteria) liberate electrons during their metabolic activity.
• Can be used to solve Environmental Problems
• Cheap Material• Wastewater treatment & power generation
at a same time.• Good alternative to Conventional Power
Generation Systems.
• Wider variety of applications over
conventional fuel cells.
Advantages
Advantages and disadvantages
Advantages and disadvantages
Disadvantages
• Small power generate.
• Still not economically competitive.
• Power produced way below when compared with conventional cells.
Portable units power generation Renewable and sustainable
source of electricity.Treatment of Wastewater & solid wastes
Applications
Robotics - Studies in Gastro bots:Autonomous robots powered by MFC’s
could consume food (biomass) as seemingly limitless source of energy
Powering electronic monitoring devices in remote locations,
such as the bottom of the oceanBiosensor
Anodic Reaction (Oxidation) EX-1 : CH3COO - + 2H2O 2CO2 + 7H+ + 8e-
(Acetic acid ion)
EX-2 : C6H12O6 + 6H2O 6CO2 + 24H+ + 24e-
(glucose)
Cathodic Reaction (Reduction) EX-1 : O2 + 4H+ + 4e- 2H2O
EX-2 : 6O2 + 24H+ + 24e- 12H2O
Redox Reactions invovled
Conclusion
• Microbial Fuel Cells (MFCs) use bacteria to convert organic waste material into electrical energy.
• The many applications of MFCs will help to reduce the use of fossil fuels.
• Widespread use of MFCs in these areas can take our waste products and transform them into energy