Scientists and engineers at the University of Bristol, in collaboration with the UK Atomic Energy Authority (UKAEA), have unveiled a breakthrough that could transform energy storage . It is the first diamond battery powered by carbon-14 , a technology capable of generating energy for thousands of years.
Carbon-14 and its 5,700-year lifespan
The key to this innovative battery lies in the use of the radioactive isotope carbon-14, best known for its application in radiocarbon dating. By taking advantage of the decay of this isotope, the diamond battery can generate energy for an extended period, with a lifespan of up to 5,700 years . Unlike conventional batteries , which require frequent replacement, this new model promises to be a sustainable, long-term solution.
Future battery applications
One of the most attractive features of this technology is its versatility. Thanks to their biocompatibility, diamond batteries could be used in medical devices such as eye implants, pacemakers and hearing aids , reducing the need for replacements and improving the quality of life of patients. In addition, their resistance to extreme conditions makes them ideal for challenging environments, both on Earth and in space.
Application in the space domain is particularly promising. Diamond nuclear batteries could power devices for decades , such as satellites, spacecraft and communication systems in places where traditional batteries are not a viable option due to the difficulty of maintenance or replacement. This technology could also have a significant impact on the tracking and monitoring industry, providing a long-lasting solution for active radio frequency tags.
How does carbon-14 diamond battery work?
The diamond battery is based on the radioactive decay process of carbon-14 , which releases electrons rapidly. Like solar panels , which convert light into electricity, this battery captures electrons generated by the decay of the isotope, but instead of using light, it harnesses subatomic particles emitted during radioactive decay.
Manufacturing of the world’s first carbon-14 diamond battery. Source: UKAEAoficial
This breakthrough is not a coincidence, but the result of years of research into fusion energy. The experience gained in the study of nuclear fusion has made it possible to accelerate the development of technologies such as the diamond battery. The Open Space Innovation Platform and the European Space Agency (ESA) have been key players in this process, funding research that could transform the way we store and use energy in the future.
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Source and photos: University of Bristol
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