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Issue 19, 2019
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Highly compressible zinc-ion batteries with stable performance

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Abstract

Elastic energy storage devices are necessary to build a self-powered strain-tolerant system with flexible or compressible electronics. Zinc-ion batteries (ZIBs) are one of the most promising alternatives to 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 1000 times, the batteries still deliver capacity retentions of 90.7% and nearly 100% under 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 opens an avenue for a broad range of compression-tolerant energy-storage devices which are compatible with highly compressible electronics.

Graphical abstract: Highly compressible zinc-ion batteries with stable performance

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Supplementary files

Article information


Submitted
19 Mar 2019
Accepted
16 Apr 2019
First published
16 Apr 2019

J. Mater. Chem. A, 2019,7, 11734-11741
Article type
Paper

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, 7, 11734
DOI: 10.1039/C9TA02990G

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