(AHL) Electrochemistry, rechargeable batteries & fuel cells
The first crude fuel cells were actually invented as long ago as 1838 by William Grove, a Welshman and independently by Christian Schönbein from Germany. It was the NASA space programme that really developed them to become a viable technology. The space shuttle contains three fuel cells, which operate as independent power sources. These use oxygen and hydrogen gas and an electrolyte of potassium hydroxide. Each one...