Watch this video to learn how fuel cells work:
Read the following article several times before Thursday of this week. On Thursday we will be doing an in-class quiz on the VLE. Again, this goes to your Thinking & Inquiry and Application learning categories.
Strive to understand it as fully as you can. Look up definitions for unfamiliar terms if needed. Science Daily has a glossary where you can search up relevant terms. It is a reliable source of information.