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Fabrication of porous Na3V2(PO4)3/reduced graphene oxide hollow spheres with enhanced sodium storage performance.
J Colloid Interface Sci. 2020 May 01; 567:84-91.JC

Abstract

Sodium-ion batteries (SIBs) have long been recognized as a potential substitute for lithium-ion batteries, while their practical application is greatly hindered owing to the absence of suitable cathode materials with improved rate capability and prolonged cycling life. Na3V2(PO4)3 (NVP) has drawn extensive attention among the cathode materials for SIBs because of its fast Na+-transportable framework which enables high-speed charge transfer, but the poor electric conductivity of NVP significantly restricts the Na+ diffusion. To tackle this issue, in this work, porous NVP/reduced graphene oxide hollow spheres (NVP/rGO HSs) are constructed via a spray drying strategy. Due to the unique porous hollow architecture, the synthesized compound manifests a high reversible capacity of 116 mAh g-1 at 1 C (1 C = 118 mA g-1), an outstanding high-rate capability of 107.5 mAh g-1 at 10 C and 98.5 mAh g-1 at 20 C, as well as a stable cycling performance of 109 mAh g-1 after 400 cycles at 1 C and 73.1 mAh g-1 after 1000 cycles at 10 C. Moreover, galvanostatic intermittent titration technique demonstrates that the Na+ diffusion coefficient of NVP/rGO HSs is an order of magnitude larger than the pristine NVP. The remarkable electrochemical properties of NVP/rGO HSs in full cells further enable it a potential cathode for SIBs.

Authors+Show Affiliations

Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.Center for Analysis and Testing, Nanjing Normal University, Nanjing 210023, China. Electronic address: xiaoshu_zhu78@163.com.Jiangsu Key Laboratory of New Power Batteries, Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China. Electronic address: zhouxiaosi@njnu.edu.cn.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

32036117

Citation

Xu, Jingyi, et al. "Fabrication of Porous Na3V2(PO4)3/reduced Graphene Oxide Hollow Spheres With Enhanced Sodium Storage Performance." Journal of Colloid and Interface Science, vol. 567, 2020, pp. 84-91.
Xu J, Gu E, Zhang Z, et al. Fabrication of porous Na3V2(PO4)3/reduced graphene oxide hollow spheres with enhanced sodium storage performance. J Colloid Interface Sci. 2020;567:84-91.
Xu, J., Gu, E., Zhang, Z., Xu, Z., Xu, Y., Du, Y., Zhu, X., & Zhou, X. (2020). Fabrication of porous Na3V2(PO4)3/reduced graphene oxide hollow spheres with enhanced sodium storage performance. Journal of Colloid and Interface Science, 567, 84-91. https://doi.org/10.1016/j.jcis.2020.01.121
Xu J, et al. Fabrication of Porous Na3V2(PO4)3/reduced Graphene Oxide Hollow Spheres With Enhanced Sodium Storage Performance. J Colloid Interface Sci. 2020 May 1;567:84-91. PubMed PMID: 32036117.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Fabrication of porous Na3V2(PO4)3/reduced graphene oxide hollow spheres with enhanced sodium storage performance. AU - Xu,Jingyi, AU - Gu,Erlong, AU - Zhang,Zhuangzhuang, AU - Xu,Zhenhua, AU - Xu,Yifan, AU - Du,Yichen, AU - Zhu,Xiaoshu, AU - Zhou,Xiaosi, Y1 - 2020/01/31/ PY - 2019/10/19/received PY - 2020/01/29/revised PY - 2020/01/30/accepted PY - 2020/2/10/pubmed PY - 2020/2/10/medline PY - 2020/2/10/entrez KW - Cathode KW - Energy storage KW - Hollow structure KW - Na(3)V(2)(PO(4))(3) KW - Sodium-ion batteries SP - 84 EP - 91 JF - Journal of colloid and interface science JO - J Colloid Interface Sci VL - 567 N2 - Sodium-ion batteries (SIBs) have long been recognized as a potential substitute for lithium-ion batteries, while their practical application is greatly hindered owing to the absence of suitable cathode materials with improved rate capability and prolonged cycling life. Na3V2(PO4)3 (NVP) has drawn extensive attention among the cathode materials for SIBs because of its fast Na+-transportable framework which enables high-speed charge transfer, but the poor electric conductivity of NVP significantly restricts the Na+ diffusion. To tackle this issue, in this work, porous NVP/reduced graphene oxide hollow spheres (NVP/rGO HSs) are constructed via a spray drying strategy. Due to the unique porous hollow architecture, the synthesized compound manifests a high reversible capacity of 116 mAh g-1 at 1 C (1 C = 118 mA g-1), an outstanding high-rate capability of 107.5 mAh g-1 at 10 C and 98.5 mAh g-1 at 20 C, as well as a stable cycling performance of 109 mAh g-1 after 400 cycles at 1 C and 73.1 mAh g-1 after 1000 cycles at 10 C. Moreover, galvanostatic intermittent titration technique demonstrates that the Na+ diffusion coefficient of NVP/rGO HSs is an order of magnitude larger than the pristine NVP. The remarkable electrochemical properties of NVP/rGO HSs in full cells further enable it a potential cathode for SIBs. SN - 1095-7103 UR - https://www.unboundmedicine.com/medline/citation/32036117/Fabrication_of_porous_Na3V2_PO4_3/reduced_graphene_oxide_hollow_spheres_with_enhanced_sodium_storage_performance_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0021-9797(20)30135-1 DB - PRIME DP - Unbound Medicine ER -
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