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Highly Compressible Zinc-Ion Batteries with Stable Performance

Abstract

Elastic energy storage devices have to be considered to build a self-powered strain-tolerant system with flexible or compressible electronics. Zinc-ion batteries (ZIBs) are one of the most promising alternatives for lithium ion batteries due to their significant advantages. Therefore, we developed highly compressible ZIBs based on micro-nano structured polyaniline-single-walled carbon nanotube-sponge cathodes. Benefiting from the unique configuration, compressible ZIBs exhibit stable electrochemical performance and good mechanical durability even under a compressive strain of 60%. Furthermore, after being compressed for 1000 times, the batteries still deliver capacity retentions of 90.7% and nearly 100% at the strains of 0% and 60%, respectively. In addition, the compressible ZIBs can be integrated together in series or parallel to increase the output potential and/or current. It enlightens a broad area of compression-tolerant energy-storage devices to be compatible with highly compressible electronics.

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Publication details

The article was received on 19 Mar 2019, accepted on 16 Apr 2019 and first published on 16 Apr 2019


Article type: Paper
DOI: 10.1039/C9TA02990G
Citation: J. Mater. Chem. A, 2019, Accepted Manuscript

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    Highly Compressible Zinc-Ion Batteries with Stable Performance

    H. Cao, F. Wan, L. Zhang, X. Dai, S. Huang, L. Liu and Z. Niu, J. Mater. Chem. A, 2019, Accepted Manuscript , DOI: 10.1039/C9TA02990G

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