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Organic di-radical rechargeable battery with an ionic liquid-based gel polymer electrolyte

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Abstract

We employed 1-ethyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide (EMImTFSI)-based gel polymer electrolyte (ILPE) of low viscosity to prevent the instability of the di-TEMPO organic (DTO) electrode with enhancement of the cycle ability and rate-capability. The gel polymer electrolyte was prepared by electrospinning process. The DTO//ILPE//Li cell showed high initial capacity of 80mAh g-1 for 1 C and 68mAh g-1 for 10 C-rate, which corresponds to 100 and 85% of theoretical capacity, respectively. The cycle ability and rate-capability were much improved by using of EMImTFSI-based gel polymer electrolyte without self-discharge.

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Authors and Affiliations

  1. School of Energy & Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Korea

    Kyoungho Kim

  2. Department of Solar & Energy Engineering, Cheongju University, Cheongju, Chungbuk, 28503, Korea

    Jae-Kwang Kim

Authors
  1. Kyoungho Kim
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  2. Jae-Kwang Kim
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Correspondence to Jae-Kwang Kim.

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Kim, K., Kim, JK. Organic di-radical rechargeable battery with an ionic liquid-based gel polymer electrolyte. Korean J. Chem. Eng. 33, 858–861 (2016). https://doi.org/10.1007/s11814-015-0229-1

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  • DOI: https://doi.org/10.1007/s11814-015-0229-1

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