A Chinese company has developed a groundbreaking nuclear battery the size of a coin that can last up to 50 years without charging.

A Chinese battery manufacturer has developed a breakthrough, sparking a worldwide race for compact nuclear energy. The innovation is a small coin-sized battery powered by a radioactive nickel ...

The atomic energy of betavoltaic batteries can power a variety of devices, from aerospace and robots to your future smartphone, for up to a century without recharging.