Porous NaTi2(PO4)3 Nanocubes Anchored on Porous Carbon Nanosheets for High Performance Sodium-Ion Batteries

被引：17

作者：

Wang, Ziqi ^{[1
]}

Liang, Jiaojiao ^{[1
]}

Fan, Kai ^{[1
]}

Liu, Xiaodi ^{[1
,2
]}

Wang, Caiyun ^{[3
]}

Ma, Jianmin ^{[1
,4
]}

机构：

[1] Hunan Univ, Sch Phys & Elect, Changsha, Hunan, Peoples R China

[2] Nanyang Normal Univ, Coll Chem & Pharmaceut Engn, Nanyang, Peoples R China

[3] Univ Wollongong, Intelligent Polymer Res Inst, ARC Ctr Excellence Electromat Sci, AIIM Facil, North Wollongong, NSW, Australia

[4] Xian Univ Technol, Inst Adv Electrochem Energy, Xian, Shaanxi, Peoples R China

来源：

FRONTIERS IN CHEMISTRY | 2018年 / 6卷

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

NaTi2(PO4)(3); nanocubes; carbon nanosheets; anode; sodium-ion batteries; LITHIUM-ION; ANODE MATERIALS; GRAPHENE NETWORKS; DOPED CARBON; STORAGE; COMPOSITE; NANORODS; MATRIX; NANOCOMPOSITE; NA3V2(PO4)(3);

D O I：

10.3389/fchem.2018.00396

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

NaTi2(PO4)(3) has attracted great interest as anode material for sodium ion batteries owing to its open three-dimensional framework structure and limited volume changes during the charge and discharge process. However, the poor intrinsic electronic conductivity of NaTi2(PO4)(3) needs to be improved for high rate capability. In this work, porous NaTi2(PO4)(3) nanocubes anchored on porous carbon nanosheets (NaTi2(PO4)(3)/C) are designed and developed. This material exhibits a large discharge capacity and good rate capacity including a first discharge capacity of 485 mAh g(-1) at a current density of 0.1 A g(-1), and 98 mAh g(-1) retained at a high rate of 4 A g(-1) even after 2,000 cycles. These results suggest that NaTi2(PO4)(3)/C is a promising anode material for sodium-ion batteries.

引用

页数：8

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