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Other types of batteries. Mercury cell Zn / HgO calculators, hearing aids Silver Oxide Zn / Ag2O watches, cameras Nickel Cadmium Cd / NiO rechargeable batteries Lithium cells Li / MnO2 pacemakers. Car batteries. Same as an electrochemical cell but reversible
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Other types of batteries Mercury cell Zn / HgO calculators, hearing aids Silver Oxide Zn / Ag2O watches, cameras Nickel Cadmium Cd / NiO rechargeable batteries Lithium cells Li / MnO2 pacemakers
Car batteries Same as an electrochemical cell but reversible Pb + PbO2 + H2SO4 2PbSO4 + 2H2O Add electricity 2PbSO4 + 2H2O Pb + PbO2 + H2SO4
Aluminum versus steel AluminumSteel Hazardous waste from plants Hazardous waste from plants recycling is cheap recycling is cheap 15 times more energy to produce rusts and corrodes