Microwave plasma chemical vapor deposition of nano-structured Sn/C composite thin-film anodes for Li-ion batteries

被引：102

作者：

Marcinek, A. ^{[1
]}

Hardwick, L. J. ^{[1
]}

Richardson, T. J. ^{[1
]}

Song, X. ^{[1
]}

Kostecki, R. ^{[1
]}

机构：

[1] Univ Calif Berkeley, Lawrence Berkeley Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA

来源：

JOURNAL OF POWER SOURCES | 2007年 / 173卷 / 02期

关键词：

Sn/C; lithium batteries; anode; plasma; microwave;

D O I：

10.1016/j.jpowsour.2007.08.084

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：

A novel synthesis method of thin-film composite Sn/C anodes for lithium batteries is reported. Thin layers of graphitic carbon decorated with uniformly distributed Sn nanoparticles were synthesized from a solid organic precursor Sn(IV) tert-butoxide by a one-step microwave plasma chemical vapor deposition (MPCVD). The thin-film Sn/C electrodes were electrochemically tested in lithium half cells and produced a reversible capacity of 423 and 297 mAh g(-1) at C/25 and 5C discharge rates, respectively. A long-term cycling of the Sn/C nanocomposite anodes showed 40% capacity loss after 500 cycles at 1 C rate. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：965 / 971

页数：7

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