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Breakthrough additive technology for improving the performance of high-power lithium ion batteries

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Abstract

We report a breakthrough in the field of electrolyte additives for use in lithium ion batteries. Batteries containing maleimide (0.1 wt%) as an electrolyte additive absorbed moisture (H2O) from a high-humidity atmosphere. When compared with batteries without the maleimide and absorbed moisture, the capacity of batteries with the “binary additive” showed improvements of 7.4% and 5.2% in a 0.1C/0.1C cycle test, and 394% and 174% in high-power 3C rate tests conducted at room temperature and 55 °C, respectively. Thus, this innovative additive formation can effectively reduce the requirement for anhydrous conditions during the fabrication and operation of lithium ion batteries.

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Acknowledgment

The authors are grateful for financial support from the National Science Council of Taiwan, R.O.C, under grants NSC 100-2628-E-011-018-MY2 and NSC 100-3113-E-011-002.

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Authors and Affiliations

  1. Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei, 106, Taiwan

    Fu-Ming Wang

  2. Sustainable Energy Center, National Taiwan University of Science and Technology, Taipei, 106, Taiwan

    Fu-Ming Wang

  3. Materials and Chemical Research Laboratories, Industrial Technology Research Institute, Chutung, Hsinchu, 31040, Taiwan

    Chin-Shu Cheng

  4. Sustainable Energy Center, National Taiwan University of Science and Technology, Taipei, 106, Taiwan

    John Rick

Authors
  1. Fu-Ming Wang
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  2. Chin-Shu Cheng
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  3. John Rick
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Correspondence to Fu-Ming Wang.

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Wang, FM., Cheng, CS. & Rick, J. Breakthrough additive technology for improving the performance of high-power lithium ion batteries. MRS Communications 2, 5–7 (2012). https://doi.org/10.1557/mrc.2011.21

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  • DOI: https://doi.org/10.1557/mrc.2011.21

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