NDLI: Sponge-like porous carbon/tin composite anode materials for lithium ion batteries

Content Provider	Royal Society of Chemistry (RSC)
Author	Wang, Chunsheng Guo, Juchen Xu, Yunhua
Copyright Year	2012
Abstract	A novel sponge-like porous C/Sn composite is synthesized by dispersing SnO2 nanoparticles into a soft-template polymer matrix followed by carbonization. The mesoporous C/Sn anodes can deliver a capacity as high as 1300 mAh g−1 after 450 charge/discharge cycles, and provide a capacity of 180 mAh g−1 even at 4000 mA g−1 charge/discharge current density. An extra reversible capacity over the theoretical value of the porous C/Sn anode is observed, which is attributed to the reversible formation/decomposition of the gel-like polymers formed on the mesoporous C/Sn composite due to the catalytic effect of the Sn nanoparticles. The high capacity, long cycle life, high power, ∼100% Coulombic efficiency, and inexpensive production method make the sponge-like porous C/Sn composite an attractive anode material in Li-ion batteries for electric vehicles and renewable energy storage.
Starting Page	9562
Ending Page	9567
Page Count	6
File Format	HTM / HTML PDF
ISSN	09599428
Volume Number	22
Issue Number	19
Journal	Journal of Materials Chemistry
DOI	10.1039/c2jm30448a
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Polymer Composite material Carbonization Mesoporous material Ampere-hour Electric current Anode Renewable energy
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry

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Sponge-like porous carbon/tin composite anode materials for lithium ion batteries