Anodes for Lithium-Ion Batteries Obtained by Sintering Silicon Nanopowder

被引：0
|
作者：
E. V. Astrova
V. B. Voronkov
A. M. Rumyantsev
A. V. Nashchekin
A. V. Parfen’eva
D. A. Lozhkina
机构：
[1] Russian Academy of Sciences,Ioffe Institute
来源：
Russian Journal of Electrochemistry | 2019年 / 55卷
关键词：
silicon anodes; lithium-ion batteries; sintering; silicon nanopowder;
D O I：
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学科分类号：
摘要：
Isochronous annealing of preliminarily compacted silicon nanopowder specimens is investigated. The density, structure, and conductivity of the material are determined as a function of sintering temperature. The electrochemical characteristics of anodes, which were sintered in the temperature range of 1100 to 1200°C, are studied using galvanostatic tests and cyclic voltammetry. It is found that the specimen, which was annealed at T = 1150°C, shows the best results. This specimen has a density of 1.60 g/cm3, a connected silicon framework, and an open-pore system.
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页码：184 / 193
页数：9
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