Batteries Anodes and Cathodes

Dry Cell Battery Anode

Zinc

Dry Cell Cathode

Carbon or graphite

Alkaline Battery

Same as dry cell but under basic conditions

Alkaline Battery Anode

Zinc

Alkaline Battery Cathode

Manganese dioxide

Mercury Battery

used for watches, cameras, hearing aids, pacemakers (small electronic devices)

Mercury Battery Anode

Zinc

Mercury Battery Cathode

Mercury oxide

Lead Storage Battery Anode

Lead (lead grids)

Lead Storage Battery Cathode

Lead (spongy grids)

Ni-Cad Battery

rechargeable, emergency lighting, backup power

Ni-Cad Battery Anode

Cadmium

Ni-Cad Battery Cathode

Nickel

Li-Ion Battery

rechargeable battery, portable electronic devices (smartphones/laptops)

Li-Ion Battery Anode

Lithium

Li-Ion Cathode

Cobalt

H2 as a Fuel

military/space vehicles self-contained, no recharge, no pollution

H2 Anode

H

H2 Cathode

O

Electrolysis

Process of using electrochemical energy to bring about a chemical change

Electrolytic Cells

Make spontaneous reactions go forward

Cathode for Electrolytic Cells are?

Negative

Anodes for Electrolytic Cells are?

Positive

Electrochemical Cells (Voltaic/Galvanic)

Use chemical energy to convert to electricity