The state-of-the-art of fuel cell technology

When you hear fuel cells you may, first and foremost, think about hydrogen fuel cells for vehicle transport. But fuel cells are not at all limited to hydrogen, and are attractive energy suppliers for industrial and domestic usage. Professor Nigel Branson is a fuel cell expert and entrepeneur at Imperial College, London. Here, he and his student Paul Shearing talk about their state-of-the-art research in fuel cell development.