An All-Phosphate and Zero-Strain Sodium-Ion Battery Based on Na3V2(PO4)3 Cathode, NaTi2(PO4)3 Anode, and Trimethyl Phosphate Electrolyte with Intrinsic Safety and Long Lifespan

被引：43
作者：
Jiang, Xiaoyu [1 ]
Zeng, Ziqi [1 ]
Xiao, Lifen [2 ]
Ai, Xinping [1 ]
Yang, Hanxi [1 ]
Cao, Yuliang [1 ]
机构：
[1] Wuhan Univ, Coll Chem & Mol Sci, Hubei Key Lab Elect Power Sources, Wuhan 430072, Hubei, Peoples R China
[2] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Hubei, Peoples R China
来源：
ACS APPLIED MATERIALS & INTERFACES | 2017年 / 9卷 / 50期
基金：
中国国家自然科学基金;
关键词：
phosphate; safety; zero-strain; sodium-ion batteries; energy storage; SUPERIOR ELECTROCHEMICAL PERFORMANCE; CYCLING STABILITY; SOLID-ELECTROLYTE; RATE CAPABILITY; GRAPHENE OXIDE; HIGH-POWER; LOW-COST; LITHIUM; COMPOSITE; INSERTION;
D O I：
10.1021/acsami.7b14946
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Development of intrinsically safe and long lifespan sodium-ion batteries,(SIBs) is urgently needed for large-scale energy storage applications. However, most of the currently developed SIBs suffer from insufficient cycle life and potential unsafety. Herein, we construct an all-phosphate sodium-ion battery (AP-SIB) using a Na3V2(PO4)(3) cathode, NaTi2(PO4)(3) anode, and nonflammable trimethyl phosphate (TMP) eleCtrolyte. The AP-SIB exhibits not only high safety, high rate performance, and ulttalong cycle life but' also zero-strain characteristics due to the inverse volume change of the phosphate "cathode and anode during charge and discharge cycles, offering a safer and cycle-stable M.:don technology for electric storage applications.
引用
收藏
页码：43733 / 43738
页数：6
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