|MadSci Network: Engineering|
You can increase the current flow of a battery by using larger plates, or setting up several plates in parallel. You can increase its voltage by placing the plates in series. Aluminium and Titanium are not very far on the electro negativity series. A far better battery could be made with Zinc and copper. That should give you about 1,3volts per section. You should try and test their voltage and current capabilities first before you try powering anything off them. You may find that home made batteries do not output a whole lot of power… I suggest you try powering a small digital watch: The power requirements of those are much lower than the bulb. A single lemon or potato with one copper bar stuck in one side and a zync bar stuck in the other is capable of powering a wrist watch for several months if done right. Sam Barros http://www.powerlabs.org
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