Hierarchical Carbon Framework Wrapped Na3V2(PO4)3 as a Superior High-Rate and Extended Lifespan Cathode for Sodium-Ion Batteries

被引：601

作者：

Fang, Yongjin ^{[1
]}

Xiao, Lifen ^{[2
]}

Ai, Xinping ^{[1
]}

Cao, Yuliang ^{[1
]}

Yang, Hanxi ^{[1
]}

机构：

[1] Wuhan Univ, Coll Chem & Mol Sci, Hubei Key Lab Electrochem Power Sources, Wuhan 430072, Peoples R China

[2] Cent China Normal Univ, Coll Chem, Wuhan 430079, Peoples R China

来源：

ADVANCED MATERIALS | 2015年 / 27卷 / 39期

基金：

美国国家科学基金会;

关键词：

chemical vapor deposition (CVD); extended lifespan; high rate; Na3V2(PO4)(3); Na-ion batteries; COATED NA3V2(PO4)(3); ELECTRODE MATERIAL; RATE CAPABILITY; ENERGY-STORAGE; LOW-COST; PERFORMANCE; NANOCOMPOSITES; STABILITY; COMPOSITE; MATRIX;

D O I：

10.1002/adma.201502018

中图分类号：

O6 [化学];

学科分类号：

070301 [无机化学];

摘要：

Hierarchical carbon framework wrapped Na3V2 (PO4)(3) (HCF-NVP) is successfully synthesized through chemical vapor deposition on pure Na3V2(PO4)(3) particles. Electrochemical experiments show that the HCF-NVP electrode can deliver a large reversible capacity (115 mA h g(-1) at 0.2 C), superior high-rate rate capability (38 mA h g(-1) at 500 C), and ultra-long cycling stability (54% capacity retention after 20 000 cycles).

引用

收藏

页码：5895 / 5900

页数：6

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