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Interface effects on self-forming rechargeable Li/I2-based solid state batteries

  • Alyson Abraham (a1), Mikaela R. Dunkin (a2), Jianping Huang (a1), Bingjie Zhang (a1), Kenneth J. Takeuchi (a1) (a2), Esther S. Takeuchi (a1) (a2) (a3) and Amy C. Marschilok (a1) (a2) (a3)...

Abstract

Solid state batteries are an emerging alternative to traditional liquid electrolyte cells that provide potential for safe and high-energy density power sources. This report describes a self-forming, solid state battery based on the Li/I2 couple using an LiI-rich LiI(3-hydroxypropionitrile)2 electrolyte (LiI–LiI(HPN)2). As the negative and positive active materials are generated in situ, the solid electrolyte–current collector interfaces play a critical role in determining the electrochemical response of the battery. Herein, we report the investigation of solid electrolyte–current collector interfaces with a self-forming LiI–LiI(HPN)2 solid electrolyte and the role of varying interface design in reducing resistance during cycling.

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Corresponding author

Address all correspondence to Amy C. Marschilok at amy.marschilok@stonybrook.edu

References

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MRS Communications
  • ISSN: 2159-6859
  • EISSN: 2159-6867
  • URL: /core/journals/mrs-communications
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