SnO2/MXene nanoparticles as a superior high-rate and cycling-stable anode for sodium ion batteries

被引：16

作者：

Chen, Yuanzhao ^{[1
]}

Sun, Yidan ^{[1
]}

Geng, Mei ^{[1
]}

Shao, Wenfan ^{[1
]}

Chen, Yuhui ^{[1
]}

Liu, Xiaojing ^{[1
]}

Ou, Man ^{[1
]}

机构：

[1] Nanjing Tech Univ, Sch Energy Sci & Engn, Nanjing 211816, Jiangsu, Peoples R China

来源：

MATERIALS LETTERS | 2021年 / 304卷

关键词：

Sodium-ion batteries; Nanoparticles; Composite materials; Rate capability; Cycle stability; ELECTROCHEMICAL-PERFORMANCE; NA; MXENE; MECHANISM;

D O I：

10.1016/j.matlet.2021.130704

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A structured nanosized SnO2/MXene composites were achieved via a facile hydrothermal route, and applied as anode material for sodium-ion batteries (SIBs). Uniformly dispersed SnO2 nanoparticles anchored on the MXene nanosheets provide rich active sites, while the conductive MXene serves as the substrate accelerating electrons and Na+ transport and retarding the volume expansion. Benefiting from the advantages, SnO2/MXene anode displays excellent Na-storage properties (414.3 mAh/g), outstanding rate capability and superior cycle stability. This study may pave a way to design the MXene-based composite materials for high-performance SIB anodes.

引用

页数：4

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