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...
Ausführliche Beschreibung
Autor*in: |
Xinghua Liang [verfasserIn] Dongxue Huang [verfasserIn] Linxiao Lan [verfasserIn] Guanhua Yang [verfasserIn] Jianling Huang [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
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2022 |
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Übergeordnetes Werk: |
In: Nanomaterials - MDPI AG, 2012, 12(2022), 18, p 3216 |
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Übergeordnetes Werk: |
volume:12 ; year:2022 ; number:18, p 3216 |
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DOI / URN: |
10.3390/nano12183216 |
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Katalog-ID: |
DOAJ005567386 |
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10.3390/nano12183216 doi (DE-627)DOAJ005567386 (DE-599)DOAJ997f3c8bf6014802aefb5689c4b08f8c DE-627 ger DE-627 rakwb eng QD1-999 Xinghua Liang verfasserin aut Enhancement of the Electrochemical Performances of Composite Solid-State Electrolytes by Doping with Graphene 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier 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. lithium-ion batteries composite solid electrolyte graphene electrochemical performance Chemistry Dongxue Huang verfasserin aut Linxiao Lan verfasserin aut Guanhua Yang verfasserin aut Jianling Huang verfasserin aut In Nanomaterials MDPI AG, 2012 12(2022), 18, p 3216 (DE-627)718627199 (DE-600)2662255-5 20794991 nnns volume:12 year:2022 number:18, p 3216 https://doi.org/10.3390/nano12183216 kostenfrei https://doaj.org/article/997f3c8bf6014802aefb5689c4b08f8c kostenfrei https://www.mdpi.com/2079-4991/12/18/3216 kostenfrei https://doaj.org/toc/2079-4991 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 12 2022 18, p 3216 |
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10.3390/nano12183216 doi (DE-627)DOAJ005567386 (DE-599)DOAJ997f3c8bf6014802aefb5689c4b08f8c DE-627 ger DE-627 rakwb eng QD1-999 Xinghua Liang verfasserin aut Enhancement of the Electrochemical Performances of Composite Solid-State Electrolytes by Doping with Graphene 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier 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. lithium-ion batteries composite solid electrolyte graphene electrochemical performance Chemistry Dongxue Huang verfasserin aut Linxiao Lan verfasserin aut Guanhua Yang verfasserin aut Jianling Huang verfasserin aut In Nanomaterials MDPI AG, 2012 12(2022), 18, p 3216 (DE-627)718627199 (DE-600)2662255-5 20794991 nnns volume:12 year:2022 number:18, p 3216 https://doi.org/10.3390/nano12183216 kostenfrei https://doaj.org/article/997f3c8bf6014802aefb5689c4b08f8c kostenfrei https://www.mdpi.com/2079-4991/12/18/3216 kostenfrei https://doaj.org/toc/2079-4991 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 12 2022 18, p 3216 |
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Enhancement of the Electrochemical Performances of Composite Solid-State Electrolytes by Doping with Graphene |
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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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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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