Effects of ball-milled graphite in the synthesis of SnO2/graphite as an active material in lithium ion batteries

Effects of ball-milled graphite in the synthesis of SnO2/graphite as an active material in lithium ion batteries

Nano-sized SnO 2 particles supported on ball-milled graphite were manufactured by the in situ NaBH 4 reduction method and were used as an anode active material in lithium-ion batteries. Their physical and electrochemical characteristics were investigated using various characterization techniques: Ra...

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Veröffentlicht in:Metals and materials international 2011-12, Vol.17 (6), p.1021-1026
Hauptverfasser: Jung, Dong-Won, Jeong, Jae-Hun, Cha, Byung-Chul, Kim, Jun-Bom, Kong, Byung-Seon, Lee, Jung Kyoo, Oh, Eun-Suok
Format: Artikel
Sprache:eng
Schlagworte:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Engineering Thermodynamics
Heat and Mass Transfer
Machines
Magnetic Materials
Magnetism
Manufacturing
Materials Science
Metallic Materials
Processes
Solid Mechanics
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Zusammenfassung:Nano-sized SnO 2 particles supported on ball-milled graphite were manufactured by the in situ NaBH 4 reduction method and were used as an anode active material in lithium-ion batteries. Their physical and electrochemical characteristics were investigated using various characterization techniques: Raman spectroscopy, x-ray diffraction (XRD), transmission electron microscopy (TEM), and cyclic voltammetry (CV). From coin half-cell tests, the SnO 2 particles supported on graphite that was ball-milled for 24 hr showed a reversible capacity better than that of commercial graphite and other SnO 2 /graphite materials for which the graphite was ball-milled for longer lengths of time.
ISSN:1598-9623
2005-4149
DOI:10.1007/s12540-011-6022-8