I research fuel cells - the electrochemical ones. These are fuel cells, full stop. Definitions change according to the topic of the conversation. In this conte

I research fuel cells - the electrochemical ones. These are fuel cells, full stop. Definitions change according to the topic of the conversation. In this context the "cell" containing fuel is a very highly engineered containment cell to ensure fuel isn't spilled or explodes in case of a high energy collision.