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The Race for Batteries

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Wearable Textile Battery Can Be Recharged by Lightweight Solar Cells

December 24th 2013

Sunrise or Sunset

A research team at the Korea Advanced Institute of Science and Technology has developed a technology for textile-based foldable batteries that are which are rechargeable using energy recharged via integration with lightweight solar cells.

Key to the researchers' approach was a polyester yarn coated with nickel and polyurethane to form the battery's current collector, binder and separators. The performance of the batteries is said to be comparable with that of conventional foil-based cells, even under severe folding/unfolding conditions.

The research group which developed the technology is now looking to make the batteries softer and more wearable. Trial versions of flexible and wearable electronics are being developed and introduced in the market such as Galaxy Gear, Apple’s i-Watch, and Google Glass. Research

The new technology is expected to be applied to the development of wearable computers as well as winter outdoor clothing since it is flexible and light. The research group expects that the new technology can be applied to current battery production lines without additional investment.

Professor Choi said: “It can be used as a core-source technology in the rechargeable battery industry in the future. Various wearable mobile electronic products can be developed through cooperation and collaboration within the industry.”

Paul Buckley writes for EE Times, from which this article is adapted.


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