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Nature Communications, volume 14, issue 1, publication number 6296

Phase regulation enabling dense polymer-based composite electrolytes for solid-state lithium metal batteries

Qian Wu 1, 2
Mandi Fang 3
Shizhe Jiao 4
Siyuan Li 1, 2
Shichao Zhang 1, 2
Zeyu Shen 1, 2
Shulan Mao 1, 2
Jiale Mao 1, 2
Jiahui Zhang 1, 2
Yuanzhong Tan 5
Kang Shen 5
Jiaxing Lv 5
Wei Hu 4
Yi He 3, 6
Yingying Lu 1, 2
Publication typeJournal Article
Publication date2023-10-09
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor16.6
ISSN20411723, 20411723
General Chemistry
General Biochemistry, Genetics and Molecular Biology
Multidisciplinary
General Physics and Astronomy
Abstract

Solid polymer electrolytes with large-scale processability and interfacial compatibility are promising candidates for solid-state lithium metal batteries. Among various systems, poly(vinylidene fluoride)-based polymer electrolytes with residual solvent are appealing for room-temperature battery operations. However, their porous structure and limited ionic conductivity hinder practical application. Herein, we propose a phase regulation strategy to disrupt the symmetry of poly(vinylidene fluoride) chains and obtain the dense composite electrolyte through the incorporation of MoSe2 sheets. The electrolyte with high dielectric constant can optimize the solvation structures to achieve high ionic conductivity and low activation energy. The in-situ reactions between MoSe2 and Li metal generate Li2Se fast conductor in solid electrolyte interphase, which improves the Coulombic efficiency and interfacial kinetics. The solid-state Li||Li cells achieve robust cycling at 1 mA cm−2, and the Li||LiNi0.8Co0.1Mn0.1O2 full cells show practical performance at high rate (3C), high loading (2.6 mAh cm−2) and in pouch cell.

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GOST |
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GOST Copy
Wu Q. et al. Phase regulation enabling dense polymer-based composite electrolytes for solid-state lithium metal batteries // Nature Communications. 2023. Vol. 14. No. 1. 6296
GOST all authors (up to 50) Copy
Wu Q., Fang M., Jiao S., Li S., Zhang S., Shen Z., Mao S., Mao J., Zhang J., Tan Y., Shen K., Lv J., Hu W., He Y., Lu Y. Phase regulation enabling dense polymer-based composite electrolytes for solid-state lithium metal batteries // Nature Communications. 2023. Vol. 14. No. 1. 6296
RIS |
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RIS Copy
TY - JOUR
DO - 10.1038/s41467-023-41808-3
UR - https://doi.org/10.1038/s41467-023-41808-3
TI - Phase regulation enabling dense polymer-based composite electrolytes for solid-state lithium metal batteries
T2 - Nature Communications
AU - Wu, Qian
AU - Fang, Mandi
AU - Jiao, Shizhe
AU - Li, Siyuan
AU - Zhang, Shichao
AU - Shen, Zeyu
AU - Mao, Shulan
AU - Mao, Jiale
AU - Zhang, Jiahui
AU - Tan, Yuanzhong
AU - Shen, Kang
AU - Lv, Jiaxing
AU - Hu, Wei
AU - He, Yi
AU - Lu, Yingying
PY - 2023
DA - 2023/10/09 00:00:00
PB - Springer Nature
IS - 1
VL - 14
SN - 2041-1723
SN - 2041-1723
ER -
BibTex
Cite this
BibTex Copy
@article{2023_Wu,
author = {Qian Wu and Mandi Fang and Shizhe Jiao and Siyuan Li and Shichao Zhang and Zeyu Shen and Shulan Mao and Jiale Mao and Jiahui Zhang and Yuanzhong Tan and Kang Shen and Jiaxing Lv and Wei Hu and Yi He and Yingying Lu},
title = {Phase regulation enabling dense polymer-based composite electrolytes for solid-state lithium metal batteries},
journal = {Nature Communications},
year = {2023},
volume = {14},
publisher = {Springer Nature},
month = {oct},
url = {https://doi.org/10.1038/s41467-023-41808-3},
number = {1},
doi = {10.1038/s41467-023-41808-3}
}
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