Lithium Doping Enhances the Aqueous Zinc Ion Storage Performance of V3O7 ⋅ H2O Nanorods
Abstract Aqueous zinc‐ion batteries (AZIBs) offer significant advantages, including high safety, environmental protection and abundant zinc sources. V‐based layer‐like oxides are promising candidates as cathode materials for ZIBs; however, they face challenges such as low electrical conductivity, po...
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Wiley-VCH
2024-11-01
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| Series: | ChemElectroChem |
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| Online Access: | https://doi.org/10.1002/celc.202400504 |
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| author | Yingfang Hu Siwen Zhang Yujin Ren Rongyuan Ge Yaowen Shi Xinyu Feng Hui Li Baohua Jia Bosi Yin Tianyi Ma |
| author_facet | Yingfang Hu Siwen Zhang Yujin Ren Rongyuan Ge Yaowen Shi Xinyu Feng Hui Li Baohua Jia Bosi Yin Tianyi Ma |
| author_sort | Yingfang Hu |
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| description | Abstract Aqueous zinc‐ion batteries (AZIBs) offer significant advantages, including high safety, environmental protection and abundant zinc sources. V‐based layer‐like oxides are promising candidates as cathode materials for ZIBs; however, they face challenges such as low electrical conductivity, poor cycling stability, and limited Zn2+ storage capacity. In this study, Li‐V3O7 ⋅ H2O electrode materials were successfully synthesized using a hydrothermal method. The doping of lithium ions has led to a significant expansion of the interlayer spacing within the electrode structure, which enhances ion mobility and improves ion transport speed as well as charge‐discharge rates. Additionally, the increased spacing allows for the accommodation of more zinc ions, resulting in greater specific capacity and energy storage. More importantly, this modification reduces structural strain, minimizes the dissolution of vanadium‐based materials, and maintains electrode integrity over multiple cycles, thereby improving cycling stability. Consequently, the properties of V3O7 ⋅ H2O electrodes were substantially enhanced through lithium‐ion doping. The Li‐V3O7 ⋅ H2O cathode has a specific capacity of 411.8 mAh g−1 at low current and maintains 83 % of its capacity at 4.0 A g−1 for 4800 cycles, indicating a noteworthy improvement over pristine V3O7 ⋅ H2O. Exhibiting outstanding conductivity, discharge capacity, and cycling stability, it holds immense promise for future high‐performance energy storage. |
| format | Article |
| id | doaj-art-74e6f3e8afda4589ab046fd76cfd09b8 |
| institution | Kabale University |
| issn | 2196-0216 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | Wiley-VCH |
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| series | ChemElectroChem |
| spelling | doaj-art-74e6f3e8afda4589ab046fd76cfd09b82024-11-19T09:09:55ZengWiley-VCHChemElectroChem2196-02162024-11-011122n/an/a10.1002/celc.202400504Lithium Doping Enhances the Aqueous Zinc Ion Storage Performance of V3O7 ⋅ H2O NanorodsYingfang Hu0Siwen Zhang1Yujin Ren2Rongyuan Ge3Yaowen Shi4Xinyu Feng5Hui Li6Baohua Jia7Bosi Yin8Tianyi Ma9Institute of Clean Energy Chemistry Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials of Liaoning Province College of Chemistry Liaoning University Shenyang 110036 ChinaInstitute of Clean Energy Chemistry Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials of Liaoning Province College of Chemistry Liaoning University Shenyang 110036 ChinaInstitute of Clean Energy Chemistry Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials of Liaoning Province College of Chemistry Liaoning University Shenyang 110036 ChinaInstitute of Clean Energy Chemistry Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials of Liaoning Province College of Chemistry Liaoning University Shenyang 110036 ChinaInstitute of Clean Energy Chemistry Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials of Liaoning Province College of Chemistry Liaoning University Shenyang 110036 ChinaInstitute of Clean Energy Chemistry Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials of Liaoning Province College of Chemistry Liaoning University Shenyang 110036 ChinaCentre for Atomaterials and Nanomanufacturing (CAN) School of Science RMIT University Melbourne, VIC 3000 AustraliaCentre for Atomaterials and Nanomanufacturing (CAN) School of Science RMIT University Melbourne, VIC 3000 AustraliaInstitute of Clean Energy Chemistry Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials of Liaoning Province College of Chemistry Liaoning University Shenyang 110036 ChinaInstitute of Clean Energy Chemistry Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials of Liaoning Province College of Chemistry Liaoning University Shenyang 110036 ChinaAbstract Aqueous zinc‐ion batteries (AZIBs) offer significant advantages, including high safety, environmental protection and abundant zinc sources. V‐based layer‐like oxides are promising candidates as cathode materials for ZIBs; however, they face challenges such as low electrical conductivity, poor cycling stability, and limited Zn2+ storage capacity. In this study, Li‐V3O7 ⋅ H2O electrode materials were successfully synthesized using a hydrothermal method. The doping of lithium ions has led to a significant expansion of the interlayer spacing within the electrode structure, which enhances ion mobility and improves ion transport speed as well as charge‐discharge rates. Additionally, the increased spacing allows for the accommodation of more zinc ions, resulting in greater specific capacity and energy storage. More importantly, this modification reduces structural strain, minimizes the dissolution of vanadium‐based materials, and maintains electrode integrity over multiple cycles, thereby improving cycling stability. Consequently, the properties of V3O7 ⋅ H2O electrodes were substantially enhanced through lithium‐ion doping. The Li‐V3O7 ⋅ H2O cathode has a specific capacity of 411.8 mAh g−1 at low current and maintains 83 % of its capacity at 4.0 A g−1 for 4800 cycles, indicating a noteworthy improvement over pristine V3O7 ⋅ H2O. Exhibiting outstanding conductivity, discharge capacity, and cycling stability, it holds immense promise for future high‐performance energy storage.https://doi.org/10.1002/celc.202400504Aqueous zinc-ion batteryV3O7 ⋅ H2O electrodeLithium-ion dopingLong cycle lifeMixed valences |
| spellingShingle | Yingfang Hu Siwen Zhang Yujin Ren Rongyuan Ge Yaowen Shi Xinyu Feng Hui Li Baohua Jia Bosi Yin Tianyi Ma Lithium Doping Enhances the Aqueous Zinc Ion Storage Performance of V3O7 ⋅ H2O Nanorods ChemElectroChem Aqueous zinc-ion battery V3O7 ⋅ H2O electrode Lithium-ion doping Long cycle life Mixed valences |
| title | Lithium Doping Enhances the Aqueous Zinc Ion Storage Performance of V3O7 ⋅ H2O Nanorods |
| title_full | Lithium Doping Enhances the Aqueous Zinc Ion Storage Performance of V3O7 ⋅ H2O Nanorods |
| title_fullStr | Lithium Doping Enhances the Aqueous Zinc Ion Storage Performance of V3O7 ⋅ H2O Nanorods |
| title_full_unstemmed | Lithium Doping Enhances the Aqueous Zinc Ion Storage Performance of V3O7 ⋅ H2O Nanorods |
| title_short | Lithium Doping Enhances the Aqueous Zinc Ion Storage Performance of V3O7 ⋅ H2O Nanorods |
| title_sort | lithium doping enhances the aqueous zinc ion storage performance of v3o7 ⋅ h2o nanorods |
| topic | Aqueous zinc-ion battery V3O7 ⋅ H2O electrode Lithium-ion doping Long cycle life Mixed valences |
| url | https://doi.org/10.1002/celc.202400504 |
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