Journal of Power Sources, volume 565, pages 232907

An integrated study on the ionic migration across the nano lithium lanthanum titanate (LLTO) and lithium iron phosphate-carbon (LFP-C) interface in all-solid-state Li-ion batteries

KPP Abhilash 1, 2
Sivaraj Pazhaniswamy 3
Lukas Dekanovsky 1
B Nalini 4
Christopher Selvin Paneerselvam 5
Mogalahalli Venkatashamy Reddy 6, 7
Stefan Adams 6
Publication typeJournal Article
Publication date2023-05-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor9.2
ISSN03787753
Physical and Theoretical Chemistry
Electrical and Electronic Engineering
Energy Engineering and Power Technology
Renewable Energy, Sustainability and the Environment
Abstract
A major challenge for the development of all-solid-state lithium-ion batteries (ASS-LIBs) relay on the development of an ideal electrolyte material and solving the interfacial issues at the electrode-electrolyte interface. Nano-crystalline lithium lanthanum titanate (LLTO) and lithium iron phosphate-carbon (LFP/C) has been prepared as electrolyte and cathode material for a solid-state lithium ion cell (LIBs). Prepared lithium lanthanum titanate, lithium iron phosphate-carbon and the composite powders were subjected to structural, optical, morphological and electrochemical characterizations. The high ionic conductivity of lithium lanthanum titanate (1.06 × 10−4), carbon coated lithium iron phosphate (5.01 × 10−5) and their interface (6.00 × 10−5) designate the pertinence of their full cell configurations. The full cell assembly has been characterized electrochemically to evaluate the performance of the interface. The assembled ASSBs show cyclability up to 55 initial cycles, with the nano-LLTO/LFP-C interface. The line scan analysis has been performed to identify the cation movement and accumulation of ions towards and across the cathode-electrolyte interface after cycling. The present study provides new direction and methodology for the detailed interface analysis across the nano-electrode- nano-solid electrolyte layer in all solid-state assemblies.

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Abhilash K. et al. An integrated study on the ionic migration across the nano lithium lanthanum titanate (LLTO) and lithium iron phosphate-carbon (LFP-C) interface in all-solid-state Li-ion batteries // Journal of Power Sources. 2023. Vol. 565. p. 232907.
GOST all authors (up to 50) Copy
Abhilash K., Pazhaniswamy S., Dekanovsky L., Nalini B., Paneerselvam C. S., Reddy M. V., Adams S., Sofer Z. An integrated study on the ionic migration across the nano lithium lanthanum titanate (LLTO) and lithium iron phosphate-carbon (LFP-C) interface in all-solid-state Li-ion batteries // Journal of Power Sources. 2023. Vol. 565. p. 232907.
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RIS Copy
TY - JOUR
DO - 10.1016/j.jpowsour.2023.232907
UR - https://doi.org/10.1016/j.jpowsour.2023.232907
TI - An integrated study on the ionic migration across the nano lithium lanthanum titanate (LLTO) and lithium iron phosphate-carbon (LFP-C) interface in all-solid-state Li-ion batteries
T2 - Journal of Power Sources
AU - Abhilash, KPP
AU - Pazhaniswamy, Sivaraj
AU - Dekanovsky, Lukas
AU - Nalini, B
AU - Paneerselvam, Christopher Selvin
AU - Reddy, Mogalahalli Venkatashamy
AU - Adams, Stefan
AU - Sofer, Zdeněk
PY - 2023
DA - 2023/05/01 00:00:00
PB - Elsevier
SP - 232907
VL - 565
SN - 0378-7753
ER -
BibTex
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BibTex Copy
@article{2023_Abhilash,
author = {KPP Abhilash and Sivaraj Pazhaniswamy and Lukas Dekanovsky and B Nalini and Christopher Selvin Paneerselvam and Mogalahalli Venkatashamy Reddy and Stefan Adams and Zdeněk Sofer},
title = {An integrated study on the ionic migration across the nano lithium lanthanum titanate (LLTO) and lithium iron phosphate-carbon (LFP-C) interface in all-solid-state Li-ion batteries},
journal = {Journal of Power Sources},
year = {2023},
volume = {565},
publisher = {Elsevier},
month = {may},
url = {https://doi.org/10.1016/j.jpowsour.2023.232907},
pages = {232907},
doi = {10.1016/j.jpowsour.2023.232907}
}
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