Published on January 13, 2010
Aluminium as a Fuel Aluminium Eamon Keane Co-Authors: Dr David Browne & Dr Alun Carr University College Dublin
Water + Aluminium-Gallium Fuel Pellets
Prof. Jerry Woodall, Purdue University Claims: Energy efficient – 50% recycling efficiency Environmentally sound Cheap – equivalent to $3/gallon for petrol Scalable (enough gallium for 1 billion cars) Reaction is: Gallium is inert in the reaction Can use variable wind power for electrolysis View slide
Energy efficient – 50% recycling efficiency
Cheap – equivalent to $3/gallon for petrol
Scalable (enough gallium for 1 billion cars)
Gallium is inert in the reaction
Can use variable wind power for electrolysis
= 1L 2.2L View slide
+ = + Water Hydrogen on Demand Aluminium Hydroxide
Aluminium Fuel Cycle Inputs
Calcining Smelting Aluminium Fuel Cycle 13.5% energy efficiency, not 50% Aluminium Hydroxide Alumina
Energy and CO 2 Per Km Travelled
Aluminium-Gallium Phase Diagram 33um Pure gallium in grain boundaries, β phase α phase: solid solution
Fuel Pellet The Reaction Gallium is not inert in the reaction
Standard Electrode Potential Large difference, galvanic corrosion expected. Reaction Mechanism Element E°V (V) Lithium -3.04 Aluminium -1.66 Gallium -0.56 Hydrogen 0 Gold +0.80
Surface After Reaction
Gallium Production Enough for ~ 30,000 cars – not 1 billion!
Elements with very low worldwide 2008 production (Up to ~ 10,000 tons)
Aluminium as a Fuel Aluminium Any Questions? Renewable ≠ Green
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Presentation (Hydrogen) ... Eamon Keane Conference Presentation on Hydrogen from Aluminium Gallium
Share Hydrogen from aluminium for vehicle ... Aluminium as a Fuel Aluminium Eamon Keane Co ... Lithium -3.04 Aluminium -1.66 Gallium -0.56 Hydrogen 0 ...
... fluoroanions of aluminum, gallium and ... Energy Storage Systems 2010 Update Conference Presentations ... abatement of hydrogen sulfide ...
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A copper indium gallium ... Aluminum Polymer; Efficiency: 21.7%: 17.7%: 16.2%: 20.4%: Institute: ZSW (b) Empa: Empa: Empa: Source: Swissolar, Flisom ...