Industrial & Engineering Chemistry Research, volume 60, issue 3, pages 1494-1500

Composite Solid Electrolytes with NASICON-Type LATP and PVdF–HFP for Solid-State Lithium Batteries

Ka Ming Ng 1, 2
Hui Wang 1, 2
1
 
Mechanical Engineering Department, University of Louisville, 332 Eastern Parkway, Louisville, Kentucky 40292, United States
2
 
Conn Center for Renewable Energy Research, University of Louisville, 216 Eastern Parkway, Louisville, Kentucky 40208, United States
Publication typeJournal Article
Publication date2021-01-14
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor4.2
ISSN08885885, 15205045
General Chemistry
General Chemical Engineering
Industrial and Manufacturing Engineering
Abstract
Utilizing Li-ion conductors as solid electrolytes is essential in solid-state lithium (Li) batteries (SSLBs), which is a promising solution for the next-generation electrochemical energy storage systems that require high energy and high levels of safety. Among various Li-ion conductors, Li₁.₅Al₀.₅Ti₁.₅(PO₄)₃ (LATP), a NASICON-type ceramic, has attracted intensive attention due to its advantages of air stability and fast Li⁺ conductivity. However, to reach a decent ionic conductivity and reduce grain boundary resistance, LATP requires high temperatures for densification, which is time-consuming and expensive for large-scale applications. Herein, we report a simple solution-casting synthesis for new composite solid electrolytes by embedding LATP ceramic into a PVdF–HFP matrix. In the LATP/PVdF–HFP composite solid membranes, the NASICON-type crystal structure of LATP is well maintained. Without taking any additional liquid electrolyte absorption, the prepared composite solid electrolytes with 10 wt % LATP show the highest ionic conductivity of 2.3 × 10–⁴ S cm–¹ at room temperature, three times higher than that of polymer electrolyte (7.1 × 10–⁵ S cm–¹). In addition, the LiLiFePO₄ (LFP) battery with LATP/PVdF–HFP composite electrolyte exhibits enhanced cycling performance of both capacity and stability as compared to the polymer electrolyte-based battery.

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Ming Ng K. et al. Composite Solid Electrolytes with NASICON-Type LATP and PVdF–HFP for Solid-State Lithium Batteries // Industrial & Engineering Chemistry Research. 2021. Vol. 60. No. 3. pp. 1494-1500.
GOST all authors (up to 50) Copy
Ming Ng K., Wang H. Composite Solid Electrolytes with NASICON-Type LATP and PVdF–HFP for Solid-State Lithium Batteries // Industrial & Engineering Chemistry Research. 2021. Vol. 60. No. 3. pp. 1494-1500.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1021/acs.iecr.0c05075
UR - https://doi.org/10.1021/acs.iecr.0c05075
TI - Composite Solid Electrolytes with NASICON-Type LATP and PVdF–HFP for Solid-State Lithium Batteries
T2 - Industrial & Engineering Chemistry Research
AU - Ming Ng, Ka
AU - Wang, Hui
PY - 2021
DA - 2021/01/14 00:00:00
PB - American Chemical Society (ACS)
SP - 1494-1500
IS - 3
VL - 60
SN - 0888-5885
SN - 1520-5045
ER -
BibTex |
Cite this
BibTex Copy
@article{2021_Ming Ng,
author = {Ka Ming Ng and Hui Wang},
title = {Composite Solid Electrolytes with NASICON-Type LATP and PVdF–HFP for Solid-State Lithium Batteries},
journal = {Industrial & Engineering Chemistry Research},
year = {2021},
volume = {60},
publisher = {American Chemical Society (ACS)},
month = {jan},
url = {https://doi.org/10.1021/acs.iecr.0c05075},
number = {3},
pages = {1494--1500},
doi = {10.1021/acs.iecr.0c05075}
}
MLA
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MLA Copy
Ming Ng, Ka, et al. “Composite Solid Electrolytes with NASICON-Type LATP and PVdF–HFP for Solid-State Lithium Batteries.” Industrial & Engineering Chemistry Research, vol. 60, no. 3, Jan. 2021, pp. 1494-1500. https://doi.org/10.1021/acs.iecr.0c05075.
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