Chinese researchers have unveiled a new carbon-14 nuclear battery that delivers higher efficiency, a smaller design and a theoretical lifespan of thousands of years, according to the project team.
The battery was jointly developed by Northwest Normal University and Gansu Zhulong Technology. The team said the device was built entirely with domestic technology and components, without relying on foreign suppliers.
According to the university, the battery can operate in temperatures ranging from minus 100 to 200 degrees Celsius, making it suitable for medical implants, aerospace, defense, polar missions and deep-sea operations.
The report said the battery generates electricity by converting beta particles from carbon-14 decay into electric current through a silicon carbide semiconductor rather than using nuclear fission or heat-based systems.
Related Tweet:
Carbon dioxide has become a key factor in power generation. Its supercritical form is now used as a working medium to replace steam in power units, delivering higher efficiency. The world's first commercial facility using this technology has been running stably in Southwest China… pic.twitter.com/Ath2HrQOdr
— CNNC (@CN_Nuclear_Corp) July 6, 2026
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