Chemical Engineering Journal, volume 431, pages 133442

Design of networked solid-state polymer as artificial interlayer and solid polymer electrolyte for lithium metal batteries

Publication typeJournal Article
Publication date2022-03-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor15.1
ISSN13858947, 03009467
General Chemistry
General Chemical Engineering
Industrial and Manufacturing Engineering
Environmental Chemistry
Abstract
Major challenges in the development of lithium metal batteries (LMBs) are nonuniform Li deposition and substantial variation in Li volume, resulting in Li dendrite growth and Li consumption. A networked solid-state polymer electrolyte (NSPE) that comprises poly(ethylene oxide-co-propylene oxide) (P(EO-co-PO)) and poly(dimethylsiloxane) diglycidyl ether (PDMSDGE) chains and a lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) salt is developed for resolving the Li deposition challenges. The methyl pendants on P(EO-co-PO) and PDMSDGE chains render the NSPE a low-surface-energy film for complete coverages on the high-energy Li electrode and regulating Li+ transport. The low-surface-energy characteristics induces overspreading of the highly lithiophilic C-F ends of the TFSI− anion at the Li electrode–NSPE interface, forming Li−F bonds and facilitating uniform Li deposition. The elastic PDMS chains enable the NSPE to accommodate Li volume changes. Liquid-phase Li||LiFePO4 and Cu||LiFePO4 cells with the NSPE as an artificial interface or a solid-state Li||LiFePO4 cell with the NSPE as solid electrolyte had uniform anodic Li deposition, resulting in long cycle life and high coulombic efficiency. Our study demonstrated that (a) low surface energy to completely cover the Li anode and (b) the presence of interfacial Li − F bonds are two essential requirements for uniform Li deposition in LMBs.

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GOST Copy
Subramani R. et al. Design of networked solid-state polymer as artificial interlayer and solid polymer electrolyte for lithium metal batteries // Chemical Engineering Journal. 2022. Vol. 431. p. 133442.
GOST all authors (up to 50) Copy
Subramani R., Pham M., Lin Yu. H., Hsieh C., Lee Y., Jan J. S., Chiu C., Teng H. Design of networked solid-state polymer as artificial interlayer and solid polymer electrolyte for lithium metal batteries // Chemical Engineering Journal. 2022. Vol. 431. p. 133442.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.cej.2021.133442
UR - https://doi.org/10.1016/j.cej.2021.133442
TI - Design of networked solid-state polymer as artificial interlayer and solid polymer electrolyte for lithium metal batteries
T2 - Chemical Engineering Journal
AU - Subramani, Ramesh
AU - Pham, Minh-Nhat
AU - Lin, Yu Hsing
AU - Hsieh, Chien-Te
AU - Lee, Yuh-Lang
AU - Jan, Jeng Shiung
AU - Chiu, Chi-cheng
AU - Teng, Hsisheng
PY - 2022
DA - 2022/03/01 00:00:00
PB - Elsevier
SP - 133442
VL - 431
SN - 1385-8947
SN - 0300-9467
ER -
BibTex
Cite this
BibTex Copy
@article{2022_Subramani,
author = {Ramesh Subramani and Minh-Nhat Pham and Yu Hsing Lin and Chien-Te Hsieh and Yuh-Lang Lee and Jeng Shiung Jan and Chi-cheng Chiu and Hsisheng Teng},
title = {Design of networked solid-state polymer as artificial interlayer and solid polymer electrolyte for lithium metal batteries},
journal = {Chemical Engineering Journal},
year = {2022},
volume = {431},
publisher = {Elsevier},
month = {mar},
url = {https://doi.org/10.1016/j.cej.2021.133442},
pages = {133442},
doi = {10.1016/j.cej.2021.133442}
}
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