Just imagine a world where your phone, car, satellite and others electronic devices never need recharging again and again. China has unveiled a breakthrough nuclear battery that could operate continuously for over a century without charging it.

This technology is using radioactive isotopes safely contained within a mini power cell. The battery converts nuclear decay into steady electrical energy. If this is widely commercialized, it will transform the energy landscape, powering spacecraft, remote sensors and even wearable devices for decades. A true leap toward the era of limitless by China.

Betavolt, a young Chinese tech company, has developed the BV100, a nuclear battery that can operate for over a century without maintenance or recharging. This device uses a combination of nickel-63 and diamond semiconductors to generate constant power for century.

This could be the nest for low-power applications such as medical implants many sensors. With a compact size and ability to operate in extreme conditions, this technology could revolutionize how we power devices in critical sectors.

How actually does it work?

• Radioactive decay: The device uses a radioactive isotope, like Nickel-63, which decays over time and emits high-speed electrons.
• Energy conversion: These high-speed electrons are captured by semiconductor layers, such as diamond, which converts the decay energy into a stable electric current.
• Safety features: The design includes multiple layers of safety to prevent external radiation leakage that makes it safe for applications like medical implants. The device is also designed to withstand extreme temperatures to avoid a fire or explosion risk.

The company said in a press release, “Betavolt atomic energy batteries can meet the needs of long-lasting power supply in multiple scenarios, such as aerospace, AI equipment, medical equipment, microprocessors, advanced sensors, small drones and micro-robots, this new energy innovation will help China gain a leading edge in the new round of the AI technological revolution”

The dimensions of the device is 15 x 15 x 5 millimeters and is made of wafer-thin layers of nuclear isotopes and diamond semiconductors.

The device currently generates 100 microwatts of power at 3 volts but the goal is to reach a 1-watt power output by 2025. According to the company the radiation poses no danger to the human body, making it usable in medical devices.

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Atomic energy batteries are environmentally friendly. After the decay period, the 63 isotopes turn into a stable isotope of copper, which is non-radioactive and does not pose any threat or pollution to the environment.