Enhancement of the Electrochemical Performances of Composite Solid-State Electrolytes by Doping with Graphene

With high safety and good flexibility, polymer-based composite solid electrolytes are considered to be promising electrolytes and are widely investigated in solid lithium batteries. However, the low conductivity and high interfacial impedance of polymer-based solid electrolytes hinder their industri...
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Autor*in:	Xinghua Liang [verfasserIn] Dongxue Huang [verfasserIn] Linxiao Lan [verfasserIn] Guanhua Yang [verfasserIn] Jianling Huang [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	lithium-ion batteries composite solid electrolyte graphene electrochemical performance

Übergeordnetes Werk:	In: Nanomaterials - MDPI AG, 2012, 12(2022), 18, p 3216
Übergeordnetes Werk:	volume:12 ; year:2022 ; number:18, p 3216

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/nano12183216

Katalog-ID:	DOAJ005567386

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callnumber-first	Q - Science
author	Xinghua Liang
spellingShingle	Xinghua Liang misc QD1-999 misc lithium-ion batteries misc composite solid electrolyte misc graphene misc electrochemical performance misc Chemistry Enhancement of the Electrochemical Performances of Composite Solid-State Electrolytes by Doping with Graphene
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topic_title	QD1-999 Enhancement of the Electrochemical Performances of Composite Solid-State Electrolytes by Doping with Graphene lithium-ion batteries composite solid electrolyte graphene electrochemical performance
topic	misc QD1-999 misc lithium-ion batteries misc composite solid electrolyte misc graphene misc electrochemical performance misc Chemistry
topic_unstemmed	misc QD1-999 misc lithium-ion batteries misc composite solid electrolyte misc graphene misc electrochemical performance misc Chemistry
topic_browse	misc QD1-999 misc lithium-ion batteries misc composite solid electrolyte misc graphene misc electrochemical performance misc Chemistry
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title	Enhancement of the Electrochemical Performances of Composite Solid-State Electrolytes by Doping with Graphene
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title_full	Enhancement of the Electrochemical Performances of Composite Solid-State Electrolytes by Doping with Graphene
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author_browse	Xinghua Liang Dongxue Huang Linxiao Lan Guanhua Yang Jianling Huang
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title_sort	enhancement of the electrochemical performances of composite solid-state electrolytes by doping with graphene
callnumber	QD1-999
title_auth	Enhancement of the Electrochemical Performances of Composite Solid-State Electrolytes by Doping with Graphene
abstract	With high safety and good flexibility, polymer-based composite solid electrolytes are considered to be promising electrolytes and are widely investigated in solid lithium batteries. However, the low conductivity and high interfacial impedance of polymer-based solid electrolytes hinder their industrial applications. Herein, a composite solid-state electrolyte containing graphene (PVDF-LATP-LiClO4-Graphene) with structurally stable and good electrochemical performance is explored and enables excellent electrochemical properties for lithium-ion batteries. The ionic conductivity of the composite electrolyte membrane containing 5 wt% graphene reaches 2.00 × 10<sup<−3</sup< S cm<sup<−1</sup< at 25 °C, which is higher than that of the composite electrolyte membrane without graphene (2.67 × 10<sup<−4</sup< S cm<sup<−1</sup<). The electrochemical window of the composite electrolyte membrane containing 5 wt% graphene reaches 4.6 V, and its Li<sup<+</sup< transference numbers reach 0.84. Assembling this electrolyte into the battery, the LFP/PVDF-LATP-LiClO4-Graphene /Li battery has a specific discharge capacity of 107 mAh g<sup<−1</sup< at 0.2 C, and the capacity retention rate was 91.58% after 100 cycles, higher than that of the LiFePO<sub<4</sub</PVDF-LATP-LiClO<sub<4</sub</Li (LFP/PLL/Li) battery, being 94 mAh g<sup<−1</sup< and 89.36%, respectively. This work provides a feasible solution for the potential application of composite solid electrolytes.
abstractGer	With high safety and good flexibility, polymer-based composite solid electrolytes are considered to be promising electrolytes and are widely investigated in solid lithium batteries. However, the low conductivity and high interfacial impedance of polymer-based solid electrolytes hinder their industrial applications. Herein, a composite solid-state electrolyte containing graphene (PVDF-LATP-LiClO4-Graphene) with structurally stable and good electrochemical performance is explored and enables excellent electrochemical properties for lithium-ion batteries. The ionic conductivity of the composite electrolyte membrane containing 5 wt% graphene reaches 2.00 × 10<sup<−3</sup< S cm<sup<−1</sup< at 25 °C, which is higher than that of the composite electrolyte membrane without graphene (2.67 × 10<sup<−4</sup< S cm<sup<−1</sup<). The electrochemical window of the composite electrolyte membrane containing 5 wt% graphene reaches 4.6 V, and its Li<sup<+</sup< transference numbers reach 0.84. Assembling this electrolyte into the battery, the LFP/PVDF-LATP-LiClO4-Graphene /Li battery has a specific discharge capacity of 107 mAh g<sup<−1</sup< at 0.2 C, and the capacity retention rate was 91.58% after 100 cycles, higher than that of the LiFePO<sub<4</sub</PVDF-LATP-LiClO<sub<4</sub</Li (LFP/PLL/Li) battery, being 94 mAh g<sup<−1</sup< and 89.36%, respectively. This work provides a feasible solution for the potential application of composite solid electrolytes.
abstract_unstemmed	With high safety and good flexibility, polymer-based composite solid electrolytes are considered to be promising electrolytes and are widely investigated in solid lithium batteries. However, the low conductivity and high interfacial impedance of polymer-based solid electrolytes hinder their industrial applications. Herein, a composite solid-state electrolyte containing graphene (PVDF-LATP-LiClO4-Graphene) with structurally stable and good electrochemical performance is explored and enables excellent electrochemical properties for lithium-ion batteries. The ionic conductivity of the composite electrolyte membrane containing 5 wt% graphene reaches 2.00 × 10<sup<−3</sup< S cm<sup<−1</sup< at 25 °C, which is higher than that of the composite electrolyte membrane without graphene (2.67 × 10<sup<−4</sup< S cm<sup<−1</sup<). The electrochemical window of the composite electrolyte membrane containing 5 wt% graphene reaches 4.6 V, and its Li<sup<+</sup< transference numbers reach 0.84. Assembling this electrolyte into the battery, the LFP/PVDF-LATP-LiClO4-Graphene /Li battery has a specific discharge capacity of 107 mAh g<sup<−1</sup< at 0.2 C, and the capacity retention rate was 91.58% after 100 cycles, higher than that of the LiFePO<sub<4</sub</PVDF-LATP-LiClO<sub<4</sub</Li (LFP/PLL/Li) battery, being 94 mAh g<sup<−1</sup< and 89.36%, respectively. This work provides a feasible solution for the potential application of composite solid electrolytes.
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title_short	Enhancement of the Electrochemical Performances of Composite Solid-State Electrolytes by Doping with Graphene
url	https://doi.org/10.3390/nano12183216 https://doaj.org/article/997f3c8bf6014802aefb5689c4b08f8c https://www.mdpi.com/2079-4991/12/18/3216 https://doaj.org/toc/2079-4991
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author2	Dongxue Huang Linxiao Lan Guanhua Yang Jianling Huang
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up_date	2024-07-03T15:48:17.415Z
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Assembling this electrolyte into the battery, the LFP/PVDF-LATP-LiClO4-Graphene /Li battery has a specific discharge capacity of 107 mAh g<sup<−1</sup< at 0.2 C, and the capacity retention rate was 91.58% after 100 cycles, higher than that of the LiFePO<sub<4</sub</PVDF-LATP-LiClO<sub<4</sub</Li (LFP/PLL/Li) battery, being 94 mAh g<sup<−1</sup< and 89.36%, respectively. 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Enhancement of the Electrochemical Performances of Composite Solid-State Electrolytes by Doping with Graphene

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