Material Extraction of Dry Battery AA:
A typical alkaline dry AA cell comprises a cylindrical external case, cathode, anode, and electrolyte and separators. The external casing is made from nickel-plated steel and is lined with a separator to divide the anode and cathode. The separator is made of either a porous synthetic material or layered paper. On one end, the battery canister is sealed with an epoxy or asphalt sealant underlying a steel plate and at the other end with a brass rod driven through the cylinder. The rod is welded to a metallic end cap and passed via an outer plastic seal. Inside the ...
