Boffins build diamond battery that lasts millennia
Briefly

"This is about UK innovation and no one's ever done this before," said Professor Tom Scott, professor in materials at the University of Bristol. "We can offer a technology where you never have to replace the battery because the battery will literally, on human timescales, last forever."
"Diamond batteries offer a safe, sustainable way to provide continuous microwatt levels of power. They are an emerging technology that uses a manufactured diamond to safely encase small amounts of carbon-14," said Sarah Clark, director of Tritium Fuel Cycle at UKAEA.
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