Small, volume 16, issue 14, pages 2000279

Overcoming the Interfacial Limitations Imposed by the Solid–Solid Interface in Solid‐State Batteries Using Ionic Liquid‐Based Interlayers

Publication typeJournal Article
Publication date2020-04-01
Journal: Small
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor13.3
ISSN16136810, 16136829
General Chemistry
Biotechnology
General Materials Science
Biomaterials
Abstract
Li-garnets are promising inorganic ceramic solid electrolytes for lithium metal batteries, showing good electrochemical stability with Li anode. However, their brittle and stiff nature restricts their intimate contact with both the electrodes, hence presenting high interfacial resistance to the ionic mobility. To address this issue, a strategy employing ionic liquid electrolyte (ILE) thin interlayers at the electrodes/electrolyte interfaces is adopted, which helps overcome the barrier for ion transport. The chemically stable ILE improves the electrodes-solid electrolyte contact, significantly reducing the interfacial resistance at both the positive and negative electrodes interfaces. This results in the more homogeneous deposition of metallic lithium at the negative electrode, suppressing the dendrite growth across the solid electrolyte even at high current densities of 0.3 mA cm-2 . Further, the improved interface Li/electrolyte interface results in decreasing the overpotential of symmetric Li/Li cells from 1.35 to 0.35 V. The ILE modified Li/LLZO/LFP cells stacked either in monopolar or bipolar configurations show excellent electrochemical performance. In particular, the bipolar cell operates at a high voltage (≈8 V) and delivers specific capacity as high as 145 mAh g-1 with a coulombic efficiency greater than 99%.

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Pervez S. A. et al. Overcoming the Interfacial Limitations Imposed by the Solid–Solid Interface in Solid‐State Batteries Using Ionic Liquid‐Based Interlayers // Small. 2020. Vol. 16. No. 14. p. 2000279.
GOST all authors (up to 50) Copy
Pervez S. A., Kim G., Sundara R., Cambaz M. A., Kuenzel M., Hekmatfar M., Fichtner M., Passerini S. Overcoming the Interfacial Limitations Imposed by the Solid–Solid Interface in Solid‐State Batteries Using Ionic Liquid‐Based Interlayers // Small. 2020. Vol. 16. No. 14. p. 2000279.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1002/smll.202000279
UR - https://doi.org/10.1002/smll.202000279
TI - Overcoming the Interfacial Limitations Imposed by the Solid–Solid Interface in Solid‐State Batteries Using Ionic Liquid‐Based Interlayers
T2 - Small
AU - Kim, Guktae
AU - Hekmatfar, Maral
AU - Passerini, Stefano
AU - Pervez, Syed Atif
AU - Sundara, Ramaprabhu
AU - Cambaz, Musa Ali
AU - Kuenzel, Matthias
AU - Fichtner, Maximilian
PY - 2020
DA - 2020/04/01 00:00:00
PB - Wiley
SP - 2000279
IS - 14
VL - 16
SN - 1613-6810
SN - 1613-6829
ER -
BibTex |
Cite this
BibTex Copy
@article{2020_Pervez,
author = {Guktae Kim and Maral Hekmatfar and Stefano Passerini and Syed Atif Pervez and Ramaprabhu Sundara and Musa Ali Cambaz and Matthias Kuenzel and Maximilian Fichtner},
title = {Overcoming the Interfacial Limitations Imposed by the Solid–Solid Interface in Solid‐State Batteries Using Ionic Liquid‐Based Interlayers},
journal = {Small},
year = {2020},
volume = {16},
publisher = {Wiley},
month = {apr},
url = {https://doi.org/10.1002/smll.202000279},
number = {14},
pages = {2000279},
doi = {10.1002/smll.202000279}
}
MLA
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MLA Copy
Pervez, Syed Atif, et al. “Overcoming the Interfacial Limitations Imposed by the Solid–Solid Interface in Solid‐State Batteries Using Ionic Liquid‐Based Interlayers.” Small, vol. 16, no. 14, Apr. 2020, p. 2000279. https://doi.org/10.1002/smll.202000279.
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