Stretchable batteries with self-similar serpentine interconnects and integrated wireless recharging systems

Title
Stretchable batteries with self-similar serpentine interconnects and integrated wireless recharging systems
Author(s)
송태섭Sheng Xu[Sheng Xu]Yihui Zhang[Yihui Zhang]Jiung Cho[Jiung Cho]Juhwan Lee[Juhwan Lee]Xian Huang[Xian Huang]Lin Jia[Lin Jia]Jonathan A. Fan[Jonathan A. Fan]Yewang Su[Yewang Su]Jessica Su[Jessica Su]Huigang Zhang[Huigang Zhang]Huanyu Cheng[Huanyu Cheng]Bingwei Lu[Bingwei Lu]Cunjiang Yu[Cunjiang Yu]Chi Chuang[Chi Chuang]Tae-il Kim[Tae-il Kim]Kazuyo Shigeta[Kazuyo Shigeta]Sen Kang[Sen Kang]Canan Dagdeviren[Canan Dagdeviren]Ivan Petrov[Ivan Petrov]Paul V. Braun[Paul V. Braun]Yonggang Huang[Yonggang Huang]Ungyu Paik[Ungyu Paik]John A. Rogers[John A. Rogers]
Keywords
RECHARGEABLE LITHIUM BATTERIES; ENERGY-STORAGE DEVICES; ARTIFICIAL SKIN; ELECTRONIC SKIN; LARGE-AREA; SILICON; PAPER; MATRIX; PHOTOVOLTAICS; DESIGNS
Issue Date
201302
Publisher
NATURE PUBLISHING GROUP
Citation
NATURE COMMUNICATIONS, v.4
Abstract
An important trend in electronics involves the development of materials, mechanical designs and manufacturing strategies that enable the use of unconventional substrates, such as polymer films, metal foils, paper sheets or rubber slabs. The last possibility is particularly challenging because the systems must accommodate not only bending but also stretching. Although several approaches are available for the electronics, a persistent difficulty is in power supplies that have similar mechanical properties, to allow their co-integration with the electronics. Here we introduce a set of materials and design concepts for a rechargeable lithium ion battery technology that exploits thin, low modulus silicone elastomers as substrates, with a segmented design in the active materials, and unusual 'self-similar' interconnect structures between them. The result enables reversible levels of stretchability up to 300%, while maintaining capacity densities of similar to 1.1 mAh cm(-2). Stretchable wireless power transmission systems provide the means to charge these types of batteries, without direct physical contact.
URI
http://hdl.handle.net/YU.REPOSITORY/26576http://dx.doi.org/10.1038/ncomms2553
ISSN
2041-1723
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공과대학 > 신소재공학부 > Articles
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