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Kirigami-based stretchable lithium-ion batteries

OPEN Scientific reports | 13 Jun 2015

Z Song, X Wang, C Lv, Y An, M Liang, T Ma, D He, YJ Zheng, SQ Huang, H Yu and H Jiang
Abstract
We have produced stretchable lithium-ion batteries (LIBs) using the concept of kirigami, i.e., a combination of folding and cutting. The designated kirigami patterns have been discovered and implemented to achieve great stretchability (over 150%) to LIBs that are produced by standardized battery manufacturing. It is shown that fracture due to cutting and folding is suppressed by plastic rolling, which provides kirigami LIBs excellent electrochemical and mechanical characteristics. The kirigami LIBs have demonstrated the capability to be integrated and power a smart watch, which may disruptively impact the field of wearable electronics by offering extra physical and functionality design spaces.
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Concepts
Lithium-ion battery, Recyclable materials, Design, Lithium, Lithium battery, Rechargeable battery
MeSH headings
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