TOKYO -- Solid-state batteries have the potential to dominate the next generation of batteries, letting Japanese companies regain prominence in a field they once led.
TDK reduces the devices to fingertip-size, with the ability to recharge 1,000 times

TDK's solid-state battery is only a few millimeters long and can be recharged 1,000 times. The company has already begun shipping samples and is setting up operations for mass production. (Photo courtesy of TDK)
TOKYO -- Solid-state batteries have the potential to dominate the next generation of batteries, letting Japanese companies regain prominence in a field they once led.