European Polymer Journal, volume 158, pages 110703

A phosphorylated nanocellulose/hydroxypropyl methylcellulose composite matrix: A biodegradable, flame-retardant and self-standing gel polymer electrolyte towards eco-friendly and high safety lithium ion batteries

Publication typeJournal Article
Publication date2021-09-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor6
ISSN00143057
Materials Chemistry
Organic Chemistry
General Physics and Astronomy
Polymers and Plastics
Abstract
Gel polymer electrolyte (GPE) is considered as a midway solution of liquid electrolyte and solid polymer electrolyte. Nowadays, the biodegradable and renewable cellulose based GPEs are adopted as promising substitutes for GPEs based on other polymers like PVDF and PMMA. However, the safety concerns derived from the flammability of cellulose still hinders the practical application of the cellulose based GPEs. Simultaneously, the conventional methods to improve the flame-resistance of the host membranes are either unreliable or often invalidate the biodegradability of the GPEs based on cellulose. To achieve the unique combination of biodegradability and high safety, we report the preparation of composite GPEs with flame-retardancy resulted from hydrolysis between phosphorylated nanocellulose (PNC) and hydroxypropyl methylcellulose (HPMC). Besides, the present GPEs are demonstrated to be self-standing and mechanically robust with the advent of PNC. In comparison of the GPEs with various content of PNC, MPC50%/GPC50% are considered as the suitable options thanks to the high tensile strength, satisfactory electrochemical performances and good flame-retardancy. Finally, the LiFePO4/GPC50%/Li coin battery performs a remarkable cycling performance with a high capacity retention of 88.9% at 0.2C and a good rate capability in the battery test. It is anticipated that the as-constructed GPE can contribute to the design on the eco-friendly and high safety batteries in the future. • A biodegradable gel polymer electrolyte (GPE) based on cellulose composites was prepared. • The phosphorylated nanocellulose (PNC) was prepared and introduced to fabricate the GPE. • The PNC endowed the GPE with enhanced flame-resistance, integrity and mechanical strength. Gel polymer electrolyte (GPE) is considered as a midway solution of liquid electrolyte and solid polymer electrolyte. Nowadays, the biodegradable and renewable cellulose based GPEs are adopted as promising substitutes for GPEs based on other polymers like PVDF and PMMA. However, the safety concerns derived from the flammability of cellulose still hinders the practical application of the cellulose based GPEs. Simultaneously, the conventional methods to improve the flame-resistance of the host membranes are either unreliable or often invalidate the biodegradability of the GPEs based on cellulose. To achieve the unique combination of biodegradability and high safety, we report the preparation of composite GPEs with flame-retardancy resulted from hydrolysis between phosphorylated nanocellulose (PNC) and hydroxypropyl methylcellulose (HPMC). Besides, the present GPEs are demonstrated to be self-standing and mechanically robust with the advent of PNC. In comparison of the GPEs with various content of PNC, MPC50%/GPC50% are considered as the suitable options thanks to the high tensile strength, satisfactory electrochemical performances and good flame-retardancy. Finally, the LiFePO 4 /GPC50%/Li coin battery performs a remarkable cycling performance with a high capacity retention of 88.9% at 0.2C and a good rate capability in the battery test. It is anticipated that the as-constructed GPE can contribute to the design on the eco-friendly and high safety batteries in the future.

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Gou J. et al. A phosphorylated nanocellulose/hydroxypropyl methylcellulose composite matrix: A biodegradable, flame-retardant and self-standing gel polymer electrolyte towards eco-friendly and high safety lithium ion batteries // European Polymer Journal. 2021. Vol. 158. p. 110703.
GOST all authors (up to 50) Copy
Gou J., Liu W., Liu W., Tang A., Hong X., Xie H. (. A phosphorylated nanocellulose/hydroxypropyl methylcellulose composite matrix: A biodegradable, flame-retardant and self-standing gel polymer electrolyte towards eco-friendly and high safety lithium ion batteries // European Polymer Journal. 2021. Vol. 158. p. 110703.
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RIS Copy
TY - JOUR
DO - 10.1016/j.eurpolymj.2021.110703
UR - https://doi.org/10.1016/j.eurpolymj.2021.110703
TI - A phosphorylated nanocellulose/hydroxypropyl methylcellulose composite matrix: A biodegradable, flame-retardant and self-standing gel polymer electrolyte towards eco-friendly and high safety lithium ion batteries
T2 - European Polymer Journal
AU - Gou, Jingren
AU - Liu, Wangyu
AU - Tang, Aimin
AU - Hong, Xie
AU - Liu, Wangyu
AU - Xie, Hong (Iris)
PY - 2021
DA - 2021/09/01 00:00:00
PB - Elsevier
SP - 110703
VL - 158
SN - 0014-3057
ER -
BibTex
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BibTex Copy
@article{2021_Gou,
author = {Jingren Gou and Wangyu Liu and Aimin Tang and Xie Hong and Wangyu Liu and Hong (Iris) Xie},
title = {A phosphorylated nanocellulose/hydroxypropyl methylcellulose composite matrix: A biodegradable, flame-retardant and self-standing gel polymer electrolyte towards eco-friendly and high safety lithium ion batteries},
journal = {European Polymer Journal},
year = {2021},
volume = {158},
publisher = {Elsevier},
month = {sep},
url = {https://doi.org/10.1016/j.eurpolymj.2021.110703},
pages = {110703},
doi = {10.1016/j.eurpolymj.2021.110703}
}
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