in the future according to researchers at Oxford University. Fraser Armstrong, Ph.D.
and his research team have managed to which promises clean and renewable energy.
electron transfers. The electrodes and enzymes are then placed within a container of air which has a 3% mixture of hydrogen.
capable of powering small electronic devices such as a wristwatch.
"We are at the tip of a large iceberg, with important consequences for the future, but there is still much to do before this generation of enzyme-based fuel cells becomes commercially viable," said Armstrong. "The idea of electricity from hydrogen in air, using an oxygen-tolerant hydrogenase is new, although other scientists have been investigating enzymes as electrocatalysts for years.
Most hydrogenases have fragile active sites that are destroyed by even traces of oxygen, but oxygen tolerant hydrogenases have evolved to resist attack."
expensive metals like platinum ($1,000 USD per ounce) to serve as a catalyst for electricity production. Hydrogenases also have roughly the same fuel-separation membranes to operate.
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