An all-vanadium-based lithium-ion full battery with hierarchical yolk-shell structure electrodes

被引：0
作者：
Zhang, Jie [1 ,2 ]
Zhu, Kongjun [1 ]
Kong, Zhihan [1 ,2 ]
Ji, Dingwei [1 ,2 ]
Guo, Jun [1 ,2 ]
Zhang, Zheng [1 ,2 ]
Wang, Jing [1 ]
Kang, Yan [1 ]
Liu, Jinsong [2 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, State Key Lab Mech & Control Aerosp Struct, Nanjing 210016, Peoples R China
[2] Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Nanjing 210016, Peoples R China
来源：
NANOSCALE | 2025年 / 17卷 / 07期
基金：
中国国家自然科学基金;
关键词：
HIGH-PERFORMANCE; CATHODE MATERIAL; CHALLENGES; NANOSHEETS;
D O I：
10.1039/d4nr04143g
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
An all-vanadium-based lithium-ion full battery is successfully assembled with hierarchical micro-nano yolk-shell structures V2O5 and V2O3 as the cathode and anode, which were obtained through a facile solvothermal method with heat treatment under different atmospheres. When used as the cathode of the lithium-ion battery, the hierarchical micro-nano yolk-shell V2O5 demonstrated higher capacities than bulk V2O5, commercial LiFePO4, and LiNi0.8Co0.1Mn0.1O2 cathodes at various current densities. The all-vanadium-based lithium-ion full battery shows good cycle performance at 0.1C and stable charge/discharge abilities at large current densities. The electrochemical performance of the full battery results from the low impedance and pseudocapacitance-dominated lithium storage mechanism derived from the micro-nano yolk-shell structure.
引用
收藏
页码：3910 / 3918
页数：9
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