State the energy conversion in an electrochemical cell

In an electrochemical cell, the energy conversion process occurs as follows:

1. Chemical Energy to Electrical Energy: The electrochemical cell operates on a chemical reaction which is known as redox reaction. This reaction involves the transfer of electrons from one reactant to another.

2. In this reaction, the reactant that loses electrons undergoes oxidation and the one that gains electrons undergoes reduction. This transfer of electrons from the oxidized reactant to the reduced reactant generates an electric current.

3. The chemical energy of the reactants is thus converted into electrical energy by the movement of electrons from one reactant to another.

4. This electrical energy can then be used to power an electrical device or stored for later use.

So, the main energy conversion in an electrochemical cell is from chemical energy to electrical energy.