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      Electrochemical energy storage devices for wearable technology: a rationale for materials selection and cell design

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          Abstract

          Fabrication of durable and wearable electrochemical energy storage devices remains challenging. Recent advances in cell designs and performances during mechanical deformations are discussed in detail.

          Abstract

          Compatible energy storage devices that are able to withstand various mechanical deformations, while delivering their intended functions, are required in wearable technologies. This imposes constraints on the structural designs, materials selection, and miniaturization of the cells. To date, extensive efforts have been dedicated towards developing electrochemical energy storage devices for wearables, with a focus on incorporation of shape-conformable materials into mechanically robust designs that can be worn on the human body. In this review, we highlight the quantified performances of reported wearable electrochemical energy storage devices, as well as their micro-sized counterparts under specific mechanical deformations, which can be used as the benchmark for future studies in this field. A general introduction to the wearable technology, the development of the selection and synthesis of active materials, cell design approaches and device fabrications are discussed. It is followed by challenges and outlook toward the practical use of electrochemical energy storage devices for wearable applications.

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          Most cited references 138

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          What Are Batteries, Fuel Cells, and Supercapacitors?

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            Advanced materials for energy storage.

             Feng Li,  Joyce Ma,  Hui Cheng (2010)
            Popularization of portable electronics and electric vehicles worldwide stimulates the development of energy storage devices, such as batteries and supercapacitors, toward higher power density and energy density, which significantly depends upon the advancement of new materials used in these devices. Moreover, energy storage materials play a key role in efficient, clean, and versatile use of energy, and are crucial for the exploitation of renewable energy. Therefore, energy storage materials cover a wide range of materials and have been receiving intensive attention from research and development to industrialization. In this Review, firstly a general introduction is given to several typical energy storage systems, including thermal, mechanical, electromagnetic, hydrogen, and electrochemical energy storage. Then the current status of high-performance hydrogen storage materials for on-board applications and electrochemical energy storage materials for lithium-ion batteries and supercapacitors is introduced in detail. The strategies for developing these advanced energy storage materials, including nanostructuring, nano-/microcombination, hybridization, pore-structure control, configuration design, surface modification, and composition optimization, are discussed. Finally, the future trends and prospects in the development of advanced energy storage materials are highlighted.
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              Electrolytes and interphases in Li-ion batteries and beyond.

               Kang Xu (2014)
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                Author and article information

                Journal
                CSRVBR
                Chemical Society Reviews
                Chem. Soc. Rev.
                Royal Society of Chemistry (RSC)
                0306-0012
                1460-4744
                2018
                2018
                : 47
                : 15
                : 5919-5945
                Affiliations
                [1 ]Institute of Materials Research and Engineering (IMRE)
                [2 ]A*STAR (Agency for Science, Technology and Research)
                [3 ]Singapore 138634
                [4 ]Singapore
                [5 ]Center for Programmable Materials
                [6 ]School of Materials Science and Engineering
                [7 ]Nanyang Technological University
                [8 ]Singapore 639798
                [9 ]National University of Singapore
                Article
                10.1039/C8CS00237A
                © 2018
                Product
                Self URI (article page): http://xlink.rsc.org/?DOI=C8CS00237A

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