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

Published online by Cambridge University Press:  26 April 2019

Alyson Abraham ,
Mikaela R. Dunkin ,
Jianping Huang ,
Bingjie Zhang ,
Kenneth J. Takeuchi ,
Esther S. Takeuchi  and
Amy C. Marschilok Open the ORCID record for Amy C. Marschilok [Opens in a new window]
Alyson Abraham
Affiliation:
Department of Chemistry, Stony Brook University, Stony Brook, NY 11794, USA
Mikaela R. Dunkin
Affiliation:
Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY 11794, USA
Jianping Huang
Affiliation:
Department of Chemistry, Stony Brook University, Stony Brook, NY 11794, USA
Bingjie Zhang
Affiliation:
Department of Chemistry, Stony Brook University, Stony Brook, NY 11794, USA
Kenneth J. Takeuchi
Affiliation:
Department of Chemistry, Stony Brook University, Stony Brook, NY 11794, USA Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY 11794, USA
Esther S. Takeuchi
Affiliation:
Department of Chemistry, Stony Brook University, Stony Brook, NY 11794, USA Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY 11794, USA Energy Sciences Directorate, Brookhaven National Laboratory, Upton, NY 11973, USA
Amy C. Marschilok*
Affiliation:
Department of Chemistry, Stony Brook University, Stony Brook, NY 11794, USA Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY 11794, USA Energy Sciences Directorate, Brookhaven National Laboratory, Upton, NY 11973, USA
*
Address all correspondence to Amy C. Marschilok at amy.marschilok@stonybrook.edu
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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.

Type
Research Letters
Information
MRS Communications , Volume 9 , Issue 2 , June 2019 , pp. 657 - 662
Copyright
Copyright © Materials Research Society 2019 

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References

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