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The aluminium reacts with oxygen and electricty is generated by this reaction between aluminium and oxygen ? That can happen, but the Al-battery there will not be rechargeable without replacing these aluminium plates.
Edit: This system is not new, look here: Aluminium–air battery - Wikipedia, the free encyclopedia
Now I understand.
The video mentions 25 kg of aluminium. Each contains around 8 kWh of energy, so with 25 kg that works out to about 200 kWh.
25 kg of aluminium costs around 50$ (in bulk), which works out to around $0.25/kWh. I doubt that the discharge efficiency is as high as in a li-ion battery, and I really doubt the aluminium requires no processing at all, so probably $0.5/kWh (available to the motor) is more likely.
This means that if you are going to use the aluminium-air battery very much, the running costs will be significant. I think li-ion coupled with superchargers will prevail before aluminium-air batteries become meaningful. This is like Better Place - already obsolete.
The video mentions 25 kg of aluminium. Each contains around 8 kWh of energy, so with 25 kg that works out to about 200 kWh.
25 kg of aluminium costs around 50$ (in bulk), which works out to around $0.25/kWh. I doubt that the discharge efficiency is as high as in a li-ion battery, and I really doubt the aluminium requires no processing at all, so probably $0.5/kWh (available to the motor) is more likely.
This means that if you are going to use the aluminium-air battery very much, the running costs will be significant. I think li-ion coupled with superchargers will prevail before aluminium-air batteries become meaningful. This is like Better Place - already obsolete.
Alumina costs around $700/ton in bulk, so of those $50 for 25 kg of aluminium, you'll get maybe $17 when you sell the oxidized aluminium. Maybe half that will go to the middlemen, so you as the consumer might get $8 for the aluminium oxide. Assuming the aluminium cost $100/25kg installed and ready in your car, the price per kWh after the recycling payment might be somewhere in the area of $0.45/kWh. Still not very cheap.You are not BURNING aluminum in the process. So you will get some money back by selling it to recycle.
A Car That Runs on Air, Water: Here's How It Works: Video - Bloomberg
This video alleges that the on-board reaction of water, aluminum and air, combined with a LI battery give a small car a 1,000 mile range.
Projected to be to market in Israel in 2017.
Uuuuuuge bump. Take a bowRevisiting this 6 years later. Looks to be a flop. Not surprising.
Revisiting this 6 years later. Looks to be a flop. Not surprising.