Carbon-encapsulated Sb6O13 nanoparticles for an efficient and durable sodium-ion battery anode

被引：26
|
作者：
Liao, Shuang [1 ]
Wang, Xiaowen [1 ]
Hu, Huawen [1 ,2 ]
Chen, Dongchu [1 ]
Zhang, Min [1 ,3 ]
Luo, Jie [1 ]
机构：
[1] Foshan Univ, Sch Mat Sci & Energy Engn, Foshan 528000, Guangdong, Peoples R China
[2] Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
[3] Guangdong Prov Special Polymer Engn Ctr Bldg Mat, Guangzhou 528000, Guangdong, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2021年 / 852卷 / 852期
基金：
中国国家自然科学基金;
关键词：
Oxides of Sb; Surface carbon; Nanocomposites; Anode; Na-ion battery; HIGH-PERFORMANCE ANODE; LONG CYCLE LIFE; HIGH-CAPACITY; ELECTROCHEMICAL SYNTHESIS; NEGATIVE ELECTRODE; REACTION-MECHANISM; FACILE SYNTHESIS; GRAPHENE SHEETS; SB; LITHIUM;
D O I：
10.1016/j.jallcom.2020.156939
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this communication, nano-thin carbon-encapsulated Sb6O13 nanoparticles (Sb(6)O(13)NPs@C) synthesized innovatively in a one-pot manner were demonstrated as a high-performance anode material for Na-ion batteries. The synthesized Sb(6)O(13)NPs@C bearing irregular nanopores showed an average size of around 60 nm and possessed the 13.6 wt% carbon shell composition, with the mesopores generated by the Sb(6)O(13)NPs@C aggregation. The as-assembled Na-ion battery with Sb(6)O(13)NPs@C exhibited both excellent rate performance (the capacity of as high as 239 mA h g(-1) at a current density of 1000 mA g(-1)) and cycling stability (89.64% capacity retained after 170 cycles). The in-depth understanding of the working principle of the Sb(6)O(13)NPs@C nanocomposite anode for the Na-ion battery was also provided. (C) 2020 Elsevier B.V. All rights reserved.
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页数：10
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