Reversible High-Capacity Si Nanocomposite Anodes for Lithium-ion Batteries Enabled by Molecular Layer Deposition

被引：176

作者：

Piper, Daniela Molina ^{[1
,4
]}

Travis, Jonathan J. ^{[2
]}

Young, Matthias ^{[3
]}

Son, Seoung-Bum ^{[5
]}

Kim, Seul Cham ^{[5
]}

Oh, Kyu Hwan ^{[5
]}

George, Steven M. ^{[1
,2
]}

Ban, Chunmei ^{[4
]}

Lee, Se-Hee ^{[1
]}

机构：

[1] Univ Colorado, Dept Mech Engn, Boulder, CO 80309 USA

[2] Univ Colorado, Dept Chem & Biochem, Boulder, CO 80309 USA

[3] Univ Colorado, Dept Chem Engn, Boulder, CO 80309 USA

[4] Natl Renewable Energy Lab, Golden, CO 80401 USA

[5] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 151742, South Korea

来源：

ADVANCED MATERIALS | 2014年 / 26卷 / 10期

基金：

美国国家科学基金会;

关键词：

lithium-ion batteries; electrode materials; molecular layer deposition; surface modification; alucone hybrid polymers; silicon; ELECTROCHEMICAL LITHIATION; PERFORMANCE; ELECTRODES; FILMS; NANOPARTICLES; ETHYLENE; COATINGS; TEM;

D O I：

10.1002/adma.201304714

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The molecular-layer deposition of a flexible coating onto Si electrodes produces high-capacity Si nanocomposite anodes. Using a reaction cascade based on inorganic trimethylaluminum and organic glycerol precursors, conventional nano-Si electrodes undergo surface modifications, resulting in anodes that can be cycled over 100 times with capacities of nearly 900 mA h g-1 and Coulombic efficiencies in excess of 99%. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：1596 / 1601

页数：6

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