Harvard University scientist is creating a fuel cell ‘leaf’ that uses water and sunlight to make renewable energy (hydrogen). “We know the sun is out there and you can used it today with solar panel. But what happen when the sun goes down? You can’t use it” Daniel G Nocera an energy professor at Harvard University said. So what Prof Daniel team hoping to do is to make a solar fuel and solar fuel hydrogen dubbed ‘leaf’ that can be used to store this energy. The process involves splitting the three atoms that made up water – the hydrogen (H2) and oxygen (O) using the sun light.

“We can take sunlight plus water to make hydrogen and oxygen,” Prof Daniel said. The hydrogen generated by the ‘leaf’ then can be used just like any fuel we have today but unlike fossil fuel it is totally renewable source of energy according to Prof Daniel.