Study of Silicon Composite for Negative Electrode of Lithium-Ion Battery

被引：0

作者：

Kulova, T. L. ^{[1
]}

Mironenko, A. A. ^{[2
,3
]}

Skundin, A. M. ^{[1
]}

Rudy, A. S. ^{[2
,3
]}

Naumov, V. V. ^{[2
]}

Pukhov, D. E. ^{[3
]}

机构：

[1] Frumkin Inst Phys Chem & Electrochem, 31-4 Leninskii Prosp, Moscow 119071, Russia

[2] Inst Phys & Technol, Yaroslavl Branch, 21 Univ Skaya Ul, Yaroslavl 150007, Russia

[3] Demidov Yaroslavl State Univ, 10 Sovetskaya Ul, Yaroslavl 150000, Russia

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2016年 / 11卷 / 02期

关键词：

lithium-ion battery; Si-O-Al composite; anode; irreversible capacity; transformation; THIN-FILM ANODE; LI INSERTION/EXTRACTION REACTION; HIGH-CAPACITY ANODES; LONG CYCLE LIFE; AMORPHOUS-SILICON; ELECTROCHEMICAL CHARACTERISTICS; RECHARGEABLE BATTERIES; SI/C ELECTRODES; PERFORMANCE;

D O I：

暂无

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Using of layered silicon-based composites instead of thick-film silicon electrodes is an effective way for improvement of their cycling stability. In the present work, the transformation of electrode with layered Si-O-Al composite at cycling is studied. Fresh prepared electrodes have columnar morphology with average pillars' diameter of 50 nm and inter-pillar distance 1-2 nm. After 100 cycles, the columnar morphology remains as a whole, but total thickness of layered composites increases by 7-10-fold. This phenomenon is likely to be caused by both structure changes and SEI formation.

引用

页码：1370 / 1381

页数：12

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