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Free-Form and Deformable Energy Storage as a Forerunner to Next-Generation Smart Electronics

1
School of Chemical Engineering and Materials Science, Institute of Energy Converting Soft Materials, Chung-Ang University, Seoul 06974, Korea
2
School of Chemical and Biological Engineering, Institute of Chemical Processes, WCU Program of Chemical Convergence for Energy and Environment, Seoul National University, Seoul 08826, Korea
*
Authors to whom correspondence should be addressed.
Micromachines 2020, 11(4), 347; https://doi.org/10.3390/mi11040347
Received: 29 February 2020 / Revised: 20 March 2020 / Accepted: 23 March 2020 / Published: 26 March 2020
(This article belongs to the Special Issue Nanostructure for Energy Conversion and Storage)
Planar and rigid conventional electronics are intrinsically incompatible with curvilinear and deformable devices. The recent development of organic and inorganic flexible and stretchable electronics enables the production of various applications, such as soft robots, flexible displays, wearable electronics, electronic skins, bendable phones, and implantable medical devices. To power these devices, persistent efforts have thus been expended to develop a flexible energy storage system that can be ideally deformed while maintaining its electrochemical performance. In this review, the enabling technologies of the electrochemical and mechanical performances of flexible devices are summarized. The investigations demonstrate the improvement of electrochemical performance via the adoption of new materials and alternative reactions. Moreover, the strategies used to develop novel materials and distinct design configurations are introduced in the following sections. View Full-Text
Keywords: bendable and foldable batteries; stretchable batteries; flexible materials; flexible configurations; energy storage systems bendable and foldable batteries; stretchable batteries; flexible materials; flexible configurations; energy storage systems
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Kwak, S.; Kang, J.; Nam, I.; Yi, J. Free-Form and Deformable Energy Storage as a Forerunner to Next-Generation Smart Electronics. Micromachines 2020, 11, 347.

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