Ultra-long cycle life of sodium-ion batteries in VS4-G nanocomposite structure

被引：27

作者：

Li, Shengyang ^{[1
]}

He, Wei ^{[2
]}

Deng, Pan ^{[1
]}

Cui, Jingqin ^{[1
]}

Qu, Baihua ^{[1
]}

机构：

[1] Xiamen Univ, Pen Tung Sah Inst Micronano Sci & Technol, Xiamen 361005, Peoples R China

[2] Xiamen Univ, Coll Mat, Dept Mat Sci & Engn, Xiamen 361005, Peoples R China

来源：

MATERIALS LETTERS | 2017年 / 205卷

基金：

中国国家自然科学基金;

关键词：

VS4; Nanocomposites; Sodium-ion batteries; Functional; VANADIUM SULFIDE; NANOSHEETS; STORAGE; ANODES; LAYER;

D O I：

10.1016/j.matlet.2017.06.058

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Herein, we report that the vanadium sulfide (VS4) nanosheets were stacked on reduced graphene oxide (RGO) nanocomposite (marked as VS4-G) synthesized by facile hydrothermal method. The as-prepared VS4-G nanocomposite demonstrated a stable capacity of about 463 mAh g (1) at 100 mA g (1) up to 100 cycles and ultra-long cycling life (700 cycles) for sodium-ion batteries (SIBs). A good performance because that this stacked composite nanosheets structure is very favorable for the infiltration and dispersion of electrolyte. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：52 / 55

页数：4

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