Anisotropy of V3O7 nanobelts enables ultralong cycling life of magnesium ion battery
Magnesium ion batteries (MIBs) are a promising alternative to lithium-ion batteries, which suffer from the short cycling life and sluggish Mg2+ diffusion kinetics of cathodes. Nano morphologies are used to shorten Mg2+ diffusion path for diffusion kinetics acceleration, but the cycling life is still...
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| Format: | Article |
| Language: | English |
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KeAi Communications Co., Ltd.
2025-04-01
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| Series: | Journal of Magnesium and Alloys |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S221395672400094X |
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| author | Xiu-Fen Ma Hong-Yi Li Jing Tan Jinan Wang Jiang Diao Jili Yue Shuangshuang Tan Guangsheng Huang Jingfeng Wang Fusheng Pan |
| author_facet | Xiu-Fen Ma Hong-Yi Li Jing Tan Jinan Wang Jiang Diao Jili Yue Shuangshuang Tan Guangsheng Huang Jingfeng Wang Fusheng Pan |
| author_sort | Xiu-Fen Ma |
| collection | DOAJ |
| description | Magnesium ion batteries (MIBs) are a promising alternative to lithium-ion batteries, which suffer from the short cycling life and sluggish Mg2+ diffusion kinetics of cathodes. Nano morphologies are used to shorten Mg2+ diffusion path for diffusion kinetics acceleration, but the cycling life is still unsatisfactory. Herein, the anisotropy of layered V3O7⋅1.9H2O nanobelts is utilized to stabilize their structure during discharging/charging. The V3O7⋅1.9H2O nanobelts grow along the preponderant migration direction of Mg2+, and the resulted axial migration of Mg2+ enables the stress caused by Mg2+ insertion to be decentralized in large zone, thus improving the cycling stability of V3O7⋅1.9H2O nanobelts. The inserted Mg2+ cations bond with O atoms in adjacent V3O8 layers of V3O7⋅1.9H2O, further stablizing the layered structure. Meanwhile, the axial migration of Mg2+ significantly reduces the charge transfer resistance at electrode/electrolyte interface, which accelerates the Mg2+ diffusion kinetics. Thus, the symmetric RMB assembled from V3O7⋅1.9H2O nanobelts exhibits an ultralong cycling life of 11,000 cycles at 4 A g−1, alongside a high specific capacity of 137 mAh g−1 at 0.05 A g−1. According to our knowledge, this ultralong cycling life surpasses those of reported full RMBs. This strategy provides insight into the design of cathode materials with improved cycling lives. |
| format | Article |
| id | doaj-art-ba9f788272294999977db1bec08cffa4 |
| institution | Kabale University |
| issn | 2213-9567 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | Journal of Magnesium and Alloys |
| spelling | doaj-art-ba9f788272294999977db1bec08cffa42025-08-20T03:52:07ZengKeAi Communications Co., Ltd.Journal of Magnesium and Alloys2213-95672025-04-011341592160110.1016/j.jma.2024.03.010Anisotropy of V3O7 nanobelts enables ultralong cycling life of magnesium ion batteryXiu-Fen Ma0Hong-Yi Li1Jing Tan2Jinan Wang3Jiang Diao4Jili Yue5Shuangshuang Tan6Guangsheng Huang7Jingfeng Wang8Fusheng Pan9National Innovation Center for Industry-Education Integration of Energy Storage Technology, College of Materials Science and Engineering, Chongqing University, Chongqing 400044, ChinaNational Innovation Center for Industry-Education Integration of Energy Storage Technology, College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China; National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing 400044, China; Corresponding author at: National Innovation Center for Industry-Education Integration of Energy Storage Technology, College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China.National Innovation Center for Industry-Education Integration of Energy Storage Technology, College of Materials Science and Engineering, Chongqing University, Chongqing 400044, ChinaNational Innovation Center for Industry-Education Integration of Energy Storage Technology, College of Materials Science and Engineering, Chongqing University, Chongqing 400044, ChinaNational Innovation Center for Industry-Education Integration of Energy Storage Technology, College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China; National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing 400044, ChinaNational Innovation Center for Industry-Education Integration of Energy Storage Technology, College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China; National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing 400044, ChinaNational Innovation Center for Industry-Education Integration of Energy Storage Technology, College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China; National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing 400044, ChinaNational Innovation Center for Industry-Education Integration of Energy Storage Technology, College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China; National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing 400044, ChinaNational Innovation Center for Industry-Education Integration of Energy Storage Technology, College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China; National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing 400044, ChinaNational Innovation Center for Industry-Education Integration of Energy Storage Technology, College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China; National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing 400044, China; National Key Laboratory of Advanced Casting Technologies, Chongqing University, Chongqing 400044, ChinaMagnesium ion batteries (MIBs) are a promising alternative to lithium-ion batteries, which suffer from the short cycling life and sluggish Mg2+ diffusion kinetics of cathodes. Nano morphologies are used to shorten Mg2+ diffusion path for diffusion kinetics acceleration, but the cycling life is still unsatisfactory. Herein, the anisotropy of layered V3O7⋅1.9H2O nanobelts is utilized to stabilize their structure during discharging/charging. The V3O7⋅1.9H2O nanobelts grow along the preponderant migration direction of Mg2+, and the resulted axial migration of Mg2+ enables the stress caused by Mg2+ insertion to be decentralized in large zone, thus improving the cycling stability of V3O7⋅1.9H2O nanobelts. The inserted Mg2+ cations bond with O atoms in adjacent V3O8 layers of V3O7⋅1.9H2O, further stablizing the layered structure. Meanwhile, the axial migration of Mg2+ significantly reduces the charge transfer resistance at electrode/electrolyte interface, which accelerates the Mg2+ diffusion kinetics. Thus, the symmetric RMB assembled from V3O7⋅1.9H2O nanobelts exhibits an ultralong cycling life of 11,000 cycles at 4 A g−1, alongside a high specific capacity of 137 mAh g−1 at 0.05 A g−1. According to our knowledge, this ultralong cycling life surpasses those of reported full RMBs. This strategy provides insight into the design of cathode materials with improved cycling lives.http://www.sciencedirect.com/science/article/pii/S221395672400094XAnisotropyNanobeltsCycling lifeVanadium oxideAqueous magnesium ion batteries |
| spellingShingle | Xiu-Fen Ma Hong-Yi Li Jing Tan Jinan Wang Jiang Diao Jili Yue Shuangshuang Tan Guangsheng Huang Jingfeng Wang Fusheng Pan Anisotropy of V3O7 nanobelts enables ultralong cycling life of magnesium ion battery Journal of Magnesium and Alloys Anisotropy Nanobelts Cycling life Vanadium oxide Aqueous magnesium ion batteries |
| title | Anisotropy of V3O7 nanobelts enables ultralong cycling life of magnesium ion battery |
| title_full | Anisotropy of V3O7 nanobelts enables ultralong cycling life of magnesium ion battery |
| title_fullStr | Anisotropy of V3O7 nanobelts enables ultralong cycling life of magnesium ion battery |
| title_full_unstemmed | Anisotropy of V3O7 nanobelts enables ultralong cycling life of magnesium ion battery |
| title_short | Anisotropy of V3O7 nanobelts enables ultralong cycling life of magnesium ion battery |
| title_sort | anisotropy of v3o7 nanobelts enables ultralong cycling life of magnesium ion battery |
| topic | Anisotropy Nanobelts Cycling life Vanadium oxide Aqueous magnesium ion batteries |
| url | http://www.sciencedirect.com/science/article/pii/S221395672400094X |
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