Superior Electrochemical Performance and Storage Mechanism of Na3V2(PO4)3 Cathode for Room-Temperature Sodium-Ion Batteries

被引：832

作者：

Jian, Zelang ^{[1
,2
]}

Han, Wenze ^{[1
,3
]}

Lu, Xia ^{[1
]}

Yang, Huaixin ^{[1
]}

Hu, Yong-Sheng ^{[1
]}

Zhou, Jing ^{[2
]}

Zhou, Zhibin ^{[4
]}

Li, Jianqi ^{[1
]}

Chen, Wen ^{[2
]}

Chen, Dongfeng ^{[3
]}

Chen, Liquan ^{[1
]}

机构：

[1] Chinese Acad Sci, Key Lab Renewable Energy, Beijing Key Lab New Energy Mat & Devices, Beijing Natl Lab Condensed Matter Phys,Inst Phys, Beijing 100190, Peoples R China

[2] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Sch Mat Sci & Engn, Wuhan 430070, Peoples R China

[3] China Inst Atom Energy, Beijing 102413, Peoples R China

[4] Huazhong Univ Sci & Technol, Sch Chem & Chem Engn, Wuhan 430074, Peoples R China

来源：

ADVANCED ENERGY MATERIALS | 2013年 / 3卷 / 02期

关键词：

Na3V2(PO4)3; sodium-ion batteries; storage mechanism; in situ XRD; ANODE MATERIALS; ELECTRODES; PHOSPHATES; CHALLENGES; CARBONATE; INSERTION;

D O I：

10.1002/aenm.201200558

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：

A Na3V2(PO4)3/C composite with 3.8 wt.% carbon, which was synthesized by a one-step solid state reaction, exhibits Na storage capacity of 107 mAh g-1 and high coulombic efficiency of 99.8% in a new NaFSI/PC electrolyte. In situ XRD results reveal its sodium storage mechanism as a typical two-phase reaction from the Na 3V2(PO4)3 to NaV2(PO 4)3 phases with 8.26% volume variation. These desired properties make it very promising for application in room-temperature sodium-ion batteries. © 2013 WILEY-VCH Verlag GmbH and Co.

引用

页码：156 / 160

页数：5

共 30 条

[1] Building better batteries [J].