Fuel Cells Unveiled at Last
The day of the battery may finally be over as manufacturers usher in the age of the fuel-cell. To prove the point, an engineer from the Japanese electronics company Hitachi yesterday showed the world the pack that will power tomorrow’s mobile phone, laptop computer and personal organiser. The promise of fuel cells has built steadily over the years, with sporadic breakthroughs in size and efficiency. As gadgets from iPods to mobile phones become more complicated, their power demands will be greater and batteries will not be up to the task.