Atomic Battery

A Chinese startup, Betavolt, has announced the development of a miniature atomic battery capable of generating power for 50 years without the need for charging or replacement. The BV100 battery harnesses the energy released from the radioactive decay of nickel-63 isotopes, converting it into electricity using advanced diamond semiconductor technology.

Measuring a mere 15 x 15 x 5 mm – smaller than a euro coin – the device currently produces 100 microwatts of power at a constant 3V. Betavolt highlights the battery's high energy density, reportedly exceeding that of conventional lithium batteries by a factor of ten.

The company emphasizes the safety features of the BV100, stating that it produces no external radiation. The low-energy beta particles emitted by the nickel-63 are contained within the battery's design, and the company asserts the device will not leak radiation even if damaged. Furthermore, they point out the minimal environmental impact, as the nickel-63 decays into stable copper, eliminating the complexities of recycling associated with traditional batteries.

Betavolt envisions a range of applications for this long-lasting power source, particularly in areas where longevity and low maintenance are critical. These include medical implants like pacemakers, remote sensors for the Internet of Things, aerospace equipment, micro-robots, and low-power artificial intelligence devices. The battery's modular design allows for scalability by connecting multiple units to achieve higher power outputs.

While the current power output of the BV100 is limited to microwatt levels, the company has ambitious plans for future development. They aim to release a 1-watt version very soon and are exploring the use of other radioactive isotopes to create batteries with increased power and varying operational lifespans.

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