That was the original idea with such batteries in electric cars - inconvenient, messy, and stands no chance of overcoming gasoline powered Engines. The Finnish invention claims to actually be rechargeable, like lead acid.
-----Original Message----- From: Harry Veeder [mailto:[EMAIL PROTECTED] Sent: Wednesday, August 03, 2005 6:57 PM To: [email protected] Subject: Re: Aluminum battery? Electricity is used to make pure aluminium ingots from aluminium oxide, so the ingots effectively represent stored electrical energy. An aluminium battery would produce electricity by reversing the process. What I heard is that recharging an aluminium battery means replacing the aluminium oxide with a fresh ingot of aluminium. Harry

