Produce hydrogen like a leaf

So many news on hydrogen today. This one mimics photosynthesis and uses sun light to split water into hydrogen and oxygen. The membrane enables it by keeping them separated.

A new study published in the Proceedings of the National Academy of Sciences announces the development of a transparent film that uses energy from the sun to separate water into hydrogen and oxygen, without some of the dangerous side effects inherent in the process.

Author Nate Lewis and his colleagues at Caltech created a thin coating of nickel oxide that can be applied to semi-conductors made of silicon or other materials--a setup that acts like an artificial leaf, using sunlight to power the system. When introduced to water, one side of the 'leaf' oxidizes the water, releasing oxygen, while the other side gathers the hydrogen.​

Solar-Powered Membrane Separates Water Into Hydrogen and Oxygen Without Exploding | Popular Science