K/Co共掺杂的钠离子电池正极材料Na3V2(PO4)3的制备和电化学性能研究
Preparation and Electrochemical Properties of K/Co Doping Sodium Ion Battery Cathode Material Na3V2(PO4)3
DOI: 10.12677/aac.2024.142009, PDF,   
作者: 曹 希, 翟建广*, 李文尧, 王睿君：上海工程技术大学材料科学与工程学院，上海
关键词: 磷酸矾钠；离子掺杂；正极材料；钠离子电池；Na3V2(PO4)3； Ionic Doping； Cathode Material； Sodium-Ion Batteries
摘要: Na3V2(PO4)3 (NVP)材料是一种聚阴离子型磷酸盐类材料，它结构稳定、安全性高、工作电压高并且具有优异的结构。这些优点与其他电极材料相比，更有助于钠离子的快速迁移，这使得它成为一种非常具有发展潜力的钠离子电池正极材料。但由于NVP材料导电性有一定的缺陷，导致它的倍率性能和循环寿命不够优秀。我们对NVP材料采用离子掺杂的改性方法增强其电化学性能。本研究使用K和Co元素共同掺杂的改性思路，使用溶胶凝胶法成功制备出了K0.1Na2.95V1.95Co0.05(PO4)3材料作为钠离子电池正极材料。通过对该材料的表征分析和电化学分析，结果显示在1 C电流密度下，该材料具有107.5 mA·h/g的高比容量，高于NVP的比容量[1 C时99.2 mA·h/g]，并且在循环500圈后仍然保持了70.41%的容量。通过分别掺杂部分K 和Co2 到Na1和V3 位点，使晶胞体积变大来加速Na 的转移，用来改善材料的电化学性能。
Abstract: Na3V2(PO4)3 (NVP) material is a polyanionic phosphate-like material that is structurally stable, safe, has a high operating voltage and has an excellent structure. These advantages contribute to the fast migration of sodium ions compared with other electrode materials, which makes it a very promising anode material for sodium-ion batteries. However, the conductivity of NVP material has some defects, which leads to its multiplicity performance and cycle life not being excellent enough. We used ion doping modification method for NVP material to enhance its electrochemical performance. In this study, using the modification idea of co-doping with K and Co elements, K0.1Na2.95V1.95Co0.05(PO4)3 material was successfully prepared as the anode material for sodium-ion batteries using sol-gel method. Characterization and electrochemical analysis of the material showed that the material had a high specific capacity of 107.5 mA-h/g at 1 C current density, which was higher than that of NVP [99.2 mA-h/g at 1 C], and still maintained 70.41% capacity after 500 cycles. By doping some K and Co2 to Na1 and V3 sites, respectively, the cell volume was enlarged to accelerate Na transfer to improve the electrochemical performance of the material.
文章引用：曹希, 翟建广, 李文尧, 王睿君. K/Co共掺杂的钠离子电池正极材料Na3V2(PO4)3的制备和电化学性能研究[J]. 分析化学进展, 2024, 14(2): 70-76. https://doi.org/10.12677/aac.2024.142009

参考文献

[1] Dunn, B., Kamath, H. and Tarascon, J.M. (2011) Electrical Energy Storagefor the Grid: A Battery of Choices. Science, 334, 928-935. [Google Scholar] [CrossRef] [PubMed]
[2] Li, J.L., Daniel, C. and Wood, D. (2011) Materials Processing for Lithium-Ion Batteries. Journal of Power Sources, 196, 2452-2460. [Google Scholar] [CrossRef] 
[3] Li, M., Lu, J., Chen, Z.W. and Amine, K. (2018) 30 Years of Lithium-Ion Batteries. Advanced Materials, 30, Article ID: 1800561. [Google Scholar] [CrossRef] [PubMed]
[4] Sun, Q., Ren, Q.Q., Li, H., et al. (2011) High Capacity­Sb2O4 Thin Film Electrodes for Rechargeable Sodium Battery. Electrochemistry Communications, 13, 1462-1464. [Google Scholar] [CrossRef] 
[5] Xiang, X.D., Lu, Y.Y. and Chen, J. (2017) Advance and Prospect of Functional Materials for Sodium Ion Batteries. Acta Chimica Sinica, 75, 154-162. [Google Scholar] [CrossRef] 
[6] Yabuuchi, Na., Kubota, K., Dahbi, M. and Komaba, S. (2014) Research Development on Sodium-Ionbatteries. Chemical Reviews, 114, 11636-11682. [Google Scholar] [CrossRef] [PubMed]
[7] Zhang, Y., Li, J., Zhang, H.L., et al. (2022) First-Principles Computational Studies on Na Diffusion in Li-Doped P3-Type NaMnO2 as Cathode Material for Na-Ion Batteries. Journal of Central South University, 29, 2930-2939. [Google Scholar] [CrossRef] 
[8] 龙云飞, 苏静, 吕小艳, 等. 锂/钠离子电池过渡金属氟磷酸盐正极材料研究进展[J]. 无机盐工业, 2020, 52(3): 28-34, 38.
[9] Peng, J., Zhang, W., Liu, Q.N., et al. (2022) Prussian Blue Analogues for Sodium-Ion Batteries: Past, Present, and Future. Advanced Materials, 34, Article ID: 2108384. [Google Scholar] [CrossRef] [PubMed]
[10] Barpanda, P., Lander, L., Nishimura, S.I. and Yamada, A. (2018) Polyanionic Insertion Materials for Sodium-Ion Batteries. Advanced Energy Materials, 8, Article ID: 1703055. [Google Scholar] [CrossRef] 
[11] Lan, Y.Q., Yao, W.J., He, X.L., et al. (2020) Mixed Polyanionic Compounds as Positive Electrodes for Low-Cost Electrochemical Energy Storage. Angewandte Chemie International Edition, 59, 9255-9262. [Google Scholar] [CrossRef] [PubMed]
[12] Peng, M.H., Li, B., Yan, H.J., et al. (2015) Ruthenium-Oxide-Coated Sodium Vanadium Fluorophosphate Nanowires as High-Power Cathode Materials for Sodium-Ion Batteries. Angewandte Chemie International Edition, 54, 6452-6456. [Google Scholar] [CrossRef] [PubMed]
[13] Zhao, L.N., Rong, X.H., Niu, Y.S., et al. (2020) Ostwald Ripening Tailoring Hierarchically Porous Na3V2(PO4)2O2F Hollow Nanospheres for Superior High-Rate and Ultrastable Sodium Ion Storage. Small, 16, Article ID: 2004925. [Google Scholar] [CrossRef] [PubMed]
[14] Cao, X.X., Pan, A.Q., Yin, B., et al. (2019) Nanoflake-Constructed Porous Na3V2(PO4)3/C Hierarchical Microspheres as a Bicontinuous Cathode for Sodium-Ion Batteries Applications. Nano Energy, 60, 312-323. [Google Scholar] [CrossRef] 
[15] Gu, Z.Y., Guo, J.Z., Cao, J.M., et al. (2022) An Advanced High-Entropy Fluorophosphate Cathode for Sodium-Ion Batteries with Increased Working Voltage and Energy Density. Advanced Materials, 34, Article ID: 2110108. [Google Scholar] [CrossRef] [PubMed]
[16] Yue, L.J., Peng, C., Guo, C.L., et al. (2022) Na3V2-XFex(PO4)2O2F: An Advanced Cathode Material with Ultra-High Stability for Superior Sodium Storage. Chemical Engineering Journal, 441, Article ID: 136132. [Google Scholar] [CrossRef] 
[17] Gu, Z.Y., Guo, J.Z., Cao, J.M., et al. (2021) Aliovalent-Ion-Induced Lattice Regulation Based on Charge Balance Theory: Advanced Fluorophosphate Cathode for Sodium-Ion Full Batteries. Small, 17, Article ID: 2102010. [Google Scholar] [CrossRef] [PubMed]
[18] Mukherjee, A., Rosy, Sharabani, T., et al. (2020) High-Rate Na0.7Li2.3V2(PO4)2F3 Hollow Sphere Cathode Prepared via a Solvothermal and Electrochemical Ion Exchange Approach for Lithium Ion Batteries. Journal of Materials Chemistry A, 8, 21289-21297. [Google Scholar] [CrossRef] 
[19] Yu, H., Gao, Y., Wang, J.J., et al. (2022) Potassium Doping towards Enhanced Na-Ion Diffusivity in a Fluorophosphate Cathode for Sodium-Ion Full Cells. Journal of Materials Chemistry A, 10, 22105-22113. [Google Scholar] [CrossRef] 
[20] Monshi, A., Foroughi, M. and Monshi, M. (2012) Modified Scherrer Equation to Estimate More Accurately Nano-Crystallite Size Using XRD. World Journal of Nano Science and Engineering, 2, 154-160. [Google Scholar] [CrossRef] 

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