ENGRI111_18_fuelcells - ENGRI 111 FUEL CELLS 6CO2 + 6H2O...

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ENGRI 111 ENGRI 111 FUEL CELLS
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6CO 6CO 2 2 + 6H + 6H 2 2 O C O C 6 6 H H 12 12 O O 6 6 + 6O + 6O 2 2 http://www.sinauer.com / Carbohydrates: high-calorie food ~ 1% conversion www.tribuneindia.com
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Gr Gr ätzel Cell ätzel Cell Different species involved in charge-carrier generation and transport Dye plays role of chlorophyll Excited electron is transferred to TiO 2 TiO 2 plays role of electron relay mechanism carrying away electron Charge generation and transport separated – reduces chance of recombination I 2 in liquid electrolyte completes reaction
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Ru 2+ Ru 3+ + e I 2 + e I - I - + Ru 3+ Ru 2+ + I 2 www.grundutbildning.kemi.uu.se v c 2
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Fuel Cells Fuel Cells Fuel cells are under intense development as cleaner, more cleaner, more efficient energy efficient energy sources Fuel cells could reduce dependence on imported oil (fossil fuels) If H 2 comes from electrolysis of water, then H 2 adds no greenhouse gases to the environment Distributed production – hydrogen can be produced anywhere there is water and electricity
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Fuel Cells Fuel Cells High temperature fuel cells
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ENGRI111_18_fuelcells - ENGRI 111 FUEL CELLS 6CO2 + 6H2O...

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