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Size control of zwitterionic polymer micro/nanoshperes and its dependence on sodium storage

Abstract

Size control of organic materials and its dependence on sodium storage are investigated. Poly(pyrrole-squaraine) (PPS), a polymer containing zwitterionic repeating units, is selected as a proof of demonstration. The growth control of PPS micro/nanospheres can be facilely achieved through in-situ one-step polymerization. We found that the smallest sized PPS showed the best rate performance, cycling performance and shortest activation process. On the other hand, the Na-ion diffusion coefficient is not strictly correlated to the particle size. These results proved that the smaller size and the shorter ionic diffusion length rather than the ionic diffusion coefficient dominated the charge transfer and ionic diffusion and thereby enhanced the rate performance.

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Publication details

The article was received on 08 Mar 2019, accepted on 09 Apr 2019 and first published on 09 Apr 2019


Article type: Communication
DOI: 10.1039/C9NH00154A
Citation: Nanoscale Horiz., 2019, Accepted Manuscript

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    Size control of zwitterionic polymer micro/nanoshperes and its dependence on sodium storage

    S. Zhuo, M. Tang, Y. Wu, Y. Chen, S. Zhu, Q. Wang, C. Xia and C. Wang, Nanoscale Horiz., 2019, Accepted Manuscript , DOI: 10.1039/C9NH00154A

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