Currently, large batteries, such as a car battery, typically us acid as part of the design. Acid batteries can explode and leak, and thus cause serious injuries. An alternate design for a battery which should work well is one which uses salt water instead of acid. You can experiment with this by taking a battery casing, or even a small plastic cooler chest and attaching one copper electrode strip and one aluminum or zinc electrode strip at the other end. You do not need seperate cells withing the battery. Inside the battery you place a lattice of alternating strips of aluminum, copper, and zinc, and then fill the battery container with salt water. Then charge the battery. This design should allow multiple recharging and long term use.
(C)Copyright 2010 by Anthony J. Fejfar
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