Fabrication of powdered Si-O-C composite by electrodeposition harvesting method as a long-cycle-life anode material for lithium-ion batteries

被引：13

作者：

Ahn, Seongki ^{[1
]}

Nara, Hiroki ^{[1
]}

Momma, Toshiyuki ^{[1
,2
]}

Osaka, Tetsuya ^{[1
]}

机构：

[1] Waseda Univ, Res Org Nano & Life Innovat, Shinjuku Ku, 513 Wasedatsurumakicho, Tokyo 1620041, Japan

[2] Waseda Univ, Fac Sci & Engn, Shinjuku Ku, 3-4-1 Okubo, Tokyo 1698555, Japan

来源：

MATERIALS LETTERS | 2019年 / 251卷

基金：

日本科学技术振兴机构;

关键词：

Silicon-based anode; Electrodeposition; Long-term cyclability; Energy storage device; Lithium-ion batteries; CARBON NANOTUBE; AREAL CAPACITY;

D O I：

10.1016/j.matlet.2019.05.057

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this work, we present a powdered Si-O-C composite, namely pSi-O-C composite, synthesized by electrodeposition harvesting method. This new type of the Si-O-C composite shows impressive results, such as outstanding cyclability with a good discharge capacity of 616 mAh g(-1) which reached 10,000 cycles, and a remarkable coulombic efficiency of 99% at the 10,000th cycle. Furthermore, the pSi-O-C composite demonstrates the highest amounts of loaded silicon compared to different types of Si-O-C composite deposited on a Cu and CNTs/Cu substrate. (C) 2019 Elsevier B.V. All rights reserved.

引用

收藏

页码：184 / 187

页数：4

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