5 x 1 hour lessons

This module brings together redox and energetics to tackle electrochemical cells. You'll revise how to construct redox equations and half-equations, then explore standard electrode potentials and how they’re used to predict cell voltages and feasibility. The final lessons apply this knowledge to real-world uses of electrochemical cells and the principles behind commercial batteries.

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By the end of this module you will be able to:

• identify oxidation and reduction processes and construct redox equations

• write half-equations and combine them to form full redox equations

• explain the principles of electrochemical cells and how they generate voltage

• use standard electrode potentials (E° values) to calculate EMF of cells

• predict feasibility of redox reactions using electrode potentials

• describe commercial applications of electrochemical cells (including fuel cells)

AQA Specification Points: 1.27 Oxidation, reduction and redox equations 1.33 Electrode potentials and cells 1.34 Commercial applications of electrochemical cells