A group of scientists from Battelle has earned a patent for generating oxygen in a process that mimics photosynthesis.
The technology creates oxygen and controls carbon dioxide using light energy and water without having to make electricity. The machine can operate on almost any light source — solar or other — to chemically duplicate what plants do when they absorb sunlight energy and convert it into useful chemicals.
Known by the United States Patent Office as No. 7,399,717, Oxygen Generation using Photolytically Driven Electrochemistry (PDEC) Platform Technology, the patent was granted earlier this year. It is one of several PDEC patents developed by Battelle.
Though commercial products based on this patent still are some years away from realization, PDEC is an important step forward to produce oxygen and trap carbon dioxide to maintain breathable air in confined spaces, such as on submarines, in space or high altitude flight, or in mine shafts that become blocked. In the case of an artificial lung, there is ample water in the blood from which a PDEC device could make oxygen.
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