Question

How does a salt bridge improve a battery?

Answer 1

Image result for how does Salt Bridge improve a battery

It helps to maintain the flow of electrons from the oxidation half-cell to a reduction half cell, this completes the circuit. The purpose of the salt bridge is to move ions. If you use enough electrolyte solution on both sides, though, it doesn't matter; in that case, the salt bridge can be neglected.

Answer 2

Answer:

The electrolyte solutions are kept neutral.

-------------------------------------------------------------------

Electrons are transferred from the anode to the cathode, and can become abnormally negative. As electrons travel from one half-cell to the other, the salt bridge ensures charge neutrality.