Na2VSn(PO4)3: A novel NASICON-type electrode material for symmetric sodium-ion batteries

被引：10

作者：

Li, Liushen ^{[1
]}

Jia, Yuhan ^{[1
]}

Song, Limei ^{[2
]}

Gao, Jianhua ^{[1
]}

机构：

[1] Northwest Univ, Sch Phys, Xian 710069, Peoples R China

[2] Xian Univ, Sch Chem Engn, Xian 710065, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2023年 / 942卷

基金：

中国国家自然科学基金;

关键词：

Na2VSn(PO4)3; Symmetric batteries; NASICON; Sodium-ion batteries; NANOCOMPOSITES; PERFORMANCE; FE;

D O I：

10.1016/j.jallcom.2023.169128

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Symmetric sodium-ion batteries have so far attracted more and more attention due to the simple cell configuration, reduced volume expansion and low manufacturing cost. In this work, a novel NASICON-type compound Na2VSn(PO4)3 was successfully synthesized through sol-gel method. XRD, SEM, TEM and XPS were employed to character the material Na2VSn(PO4)3/C. The samples of Na2VSn(PO4)3/C were used not only as cathode or anode in Na||Na2VSn(PO4)3/C half cell, but also as both cathode and anode in Na2VSn (PO4)3/C||Na2VSn(PO4)3/C symmetric full cell. The results of electrochemical tests revealed that half and full cells were cycled effectively. (c) 2023 Elsevier B.V. All rights reserved.

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