Advanced Materials

Cover image for Vol. 28 Issue 17

24_38/2012Batteries: Cable-Type Flexible Lithium Ion Battery Based on Hollow Multi-Helix Electrodes (Adv. Mater. 38/2012)

The first ever demonstration of a cable-type lithium ion battery architecture with outstanding omni-directional flexibility is described by Je Young Kim, Heon-Cheol Shin, and co-workers on page 5192. The Front Cover image illustrates the unique battery architecture comprising a skeleton frame surrounding an empty space, that is, a hollow-spiral anode with a multi-helical structure. This design enables the battery to reliably power an LED screen or an MP3 player even under severe mechanical twisting and bending.

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