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Apple supplier TDK says battery breakthrough can deliver higher performance for wearable devices

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Apple supplier TDK says battery breakthrough can deliver higher performance for wearable devices

Apple Watch SE is seen in a store in Krakow, Poland on April 20, 2024.

Nurphoto | Nurphoto | Getty Images

Japanese electronic parts maker TDK on Monday said it had successfully developed a material for its solid-state batteries, making a breakthrough that it estimates could deliver significantly higher performance for wearable devices.

The Tokyo-based Apple supplier said that the material for its small solid-state batteries had an estimated energy density of 1,000 Watt hours per liter (Wh/l), which is approximately 100 times greater than the energy density of TDK’s conventional mass-produced solid-state battery.

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