re help how to construct home built battery for rd grade sci report in making batteries you could use copper and zinc in an acid electrolyte copper copper wire pennies are now mostly zinc if i recall correctly zinc zinc strip hardware stores arround here seattle sell this to prevent moss buildup on the roof an alternative would be to use a galvanized zinc coated nail electrolyte lemon juice citric acid is the active ingrediant sp volta late th century scientist used a stack for his batteries copper disk paper disk soaked in acid zinc disk copper disk paper they were advanced technology for the time gerald edgar gwe atc boeing com the opinions expressed in this communication may not reflect those of my employer
