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Borate ester plasticizer for PEO-based solid polymer electrolytes

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Abstract

Lithium rechargeable batteries featuring solvent-free highly conductive solid polymer electrolytes (SPEs) will make a dramatic impact on the electric and hybrid-electric vehicles (EV/HEV) industry by eliminating hazards related to the use of liquid electrolytes. In this paper, we report the synthesis and characterization of a star-shaped borate ester plasticizer, which was then incorporated into the poly(ethylene oxide) polymer matrix in different proportions. Significant improvement was observed in conductivity, with the best value of 9.1 × 10−5 S/cm at 30 °C. These borate ester plasticized SPEs also exhibited excellent thermal and electrochemical stabilities.

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Acknowledgment

Department of Energy is gratefully acknowledged for providing partial support (DE-FG02-03ER83801) for this work.

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Authors and Affiliations

  1. Department of Biological, Chemical and Physical Sciences, Illinois Institute of Technology, 3101 South Dearborn Street, Chicago, IL, 60616, USA

    Amartya Chakrabarti, Robert Filler & Braja K Mandal

Authors
  1. Amartya Chakrabarti
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  2. Robert Filler
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  3. Braja K Mandal
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Corresponding author

Correspondence to Braja K Mandal.

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Chakrabarti, A., Filler, R. & Mandal, B.K. Borate ester plasticizer for PEO-based solid polymer electrolytes. J Solid State Electrochem 12, 269–272 (2008). https://doi.org/10.1007/s10008-007-0388-z

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  • DOI: https://doi.org/10.1007/s10008-007-0388-z

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