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Researchers at the University of Bristol, in partnership with the UK Atomic Energy Authority, have unveiled an innovation that could transform the world of energy: a new battery that lasts for more than 5 years. The secret behind this technology lies in the use of radioactive carbon in diamonds, creating a virtually infinite and extremely safe energy source.
The new battery uses carbon-14, a radioactive isotope known for its 5.700-year half-life that is widely used in archaeological dating. During its beta decay process, carbon-14 releases a small but constant amount of electrons, generating energy. To ensure safety and efficiency, the researchers encapsulated the material in artificial diamonds, created by a specialized plasma process. This protection ensures that the battery is sustainable and suitable for a range of long-lasting applications.
Practical and promising applications
Thanks to the use of radioactive carbon in diamond, the new battery is ideal for scenarios where replacing batteries would be impractical or impossible. See some of the possible applications:
Medical implants: Devices such as pacemakers and hearing aids could function for decades without needing replacement, eliminating frequent surgeries.
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Space and underwater exploration: Space probes, deep-sea sensors and other equipment will be able to operate for centuries, even in extreme conditions.
Tracking and monitoring: tags on satellites and space debris will remain active for decades, revolutionizing monitoring systems.
According to Sarah Clark of the UKAEA, “diamond batteries offer a safe and sustainable way to provide continuous microwatt levels of power,” highlighting the versatility and safety of the radioactive carbon in diamond.
A promising future for the new battery
While the commercial viability of the new battery is yet to be explored, the researchers believe it could be a game-changer for a range of industries, from medical technology to space exploration. Professor Tom Scott from the University of Bristol says the team is looking forward to working with industry partners to expand the possibilities of the technology.
This innovation not only redefines the concept of durable batteries, but also signals a revolution in energy storage. By using radioactive carbon in diamond, humanity takes an important step towards a future more sustainable and technologically advanced.
