Home » Science » Sun-powered battery woven into material overcomes hurdle for ‘wearable electronics’

Sun-powered battery woven into material overcomes hurdle for ‘wearable electronics’


Nov. 20, 2013 — Although some folks already appear inseparable from their smartphones, much more handy, wearable, sun-powered electronics might be on the best way quickly, woven into garb fibers or integrated into watchbands. This novel battery construction, which may bring in a brand new technology of “wearable electronics,” is the subject of a paper within the ACS journal Nano Letters.

Taek-Soo Kim, Jung-Yong Lee, Jang Wook Choi and colleagues provide an explanation for that digital textiles have the prospective to combine smartphone capabilities into garments, eyeglasses, watches and supplies worn on the pores and skin. Prospects vary from the sensible — as an instance, permitting athletes to watch very important indicators — to the cultured, reminiscent of lighting fixtures up patterns on garb. The bottleneck slowing growth towards building of a much wider vary of versatile e-materials and supplies is the battery expertise required to energy them. Present wearable electronics, comparable to smartwatches and Google Glass, nonetheless require a charger with a wire, and already-developed fabric batteries are pricey and impractical. To unlink sensible know-how from the wall socket, the crew needed to rethink what supplies are very best fitted to use in a versatile, rechargeable battery which is additionally cheaper.

They examined unconventional supplies and located that they might coat polyester yarn with nickel after which carbon, and use polyurethane as a binder and separator to provide a versatile battery that stored working, even after being folded and unfolded again and again. In addition they built-in light-weight sunlight cells to recharge the battery with out disassembling it from apparel or requiring the wearer to plug in.

The authors renowned funding from the Nationwide Analysis Basis of Korea.

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The above story is in keeping with materials provided by American Chemical Society.

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Journal Reference:

  1. Yong-Hee Lee, Joo-Seong Kim, Jonghyeon Noh, Inhwa Lee, Hyeong Jun Kim, Sunghun Choi, Jeongmin Seo, Seokwoo Jeon, Taek-Soo Kim, Jung-Yong Lee, Jang Wook Choi. Wearable Textile Battery Rechargeable by Solar Energy. Nano Letters, 2013; 13 (11): 5753 DOI: 10.1021/nl403860k

Word: If no creator is given, the supply is stated as a substitute.