What is a fuel cell?
What is a fuel cell?
A fuel cell converts chemical energy into electrical energy while fuel and oxygen are supplied continuously from outside the cell. The reaction is controlled electrochemically, creating a potential difference across the terminals.
Step-by-step lessons on AQA GCSE Chemistry 5.2.2 Fuel cells. Each one builds up to exam-style questions. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.