Ruari McCallion has been writing about manufacturing, supply chains, automation and related topics for over a quarter of a century. His reports, articles and commentaries have been published in newspapers, magazines and online in the UK and across the world.
The world's first nuclear-powered battery, which uses a radioactive isotope embedded in a diamond, could power small devices for thousands of years, scientists say.
Scientists from the same university first demonstrated a prototype diamond battery — which used nickel-63 as the radioactive source — in 2017. In the new project, the team developed a battery made of carbon-14 radioactive isotopes embedded in manufactured diamonds. Related: 'Springy' solid-state battery is twice the width of a white blood cell and could drastically increase EV range
A single nuclear-diamond battery containing 0.04 ounce of carbon-14 could deliver 15 joules of electricity per day. For comparison, a standard alkaline AA battery, which weighs about 0.7 ounces , has an energy-storage rating of 700 joules per gram. It delivers more power than the nuclear-diamond battery would in the short term, but it would be exhausted within 24 hours.
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