| A battery, basically, is a circuit made up of two
metals of drifting ions (+, - grids) and a solution
(fluid, dilute sulfuric acid a concentration approx.
38%). The two metals and the solution produce a chemical
reaction to give off electrical energy.
In other words, Metal + Solution ß> Electric
Potential
We limit it to metals here because metals are conductors
of electricity and provide a passage for the movement
of electrons. The solution provides a passage for
the movement of ions. Since both electrons and ions
are electrically charged, they react with one another
to create electric potential.
The potential difference acts as the driving force
behind the reaction (reduction and oxidation).
|
Reaction
A: Pb +H2SO4 a PbSO4 + 2H+ + 2e-
