Elecrochemical characteristics of silicon-coated graphite for anodic active material of lithium secondary battery

Joong Kee Lee, Myungro Lee, Dong Jin Byun, Byungwon Cho

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Preparation of nano-sized silicon coated graphite was carried out by a gas suspension spray method. Scanning electron microscopy (SEM), X-ray diffraction and electcrochemical studies indicated that silicon coating on the surface of the graphite improves the charge-discharge capacities significantly. This improvement is attributed to amorphous silicon film that reversible alloying reaction with Li ions during cycles. Species of solvent and composition in the electrolyte also play an important role to determine the electrochemical performance of the cell.

Original languageEnglish
Title of host publicationProceedings - Electrochemical Society
EditorsK. Striebel, K. Zaghib, D. Guyomard
Pages28-35
Number of pages8
VolumePV 2003-28
Publication statusPublished - 2004 Dec 1
Event205th Electrochemical Society Fall Meeting - Orlando, FL, United States
Duration: 2003 Oct 122003 Oct 16

Other

Other205th Electrochemical Society Fall Meeting
CountryUnited States
CityOrlando, FL
Period03/10/1203/10/16

Fingerprint

Secondary batteries
Graphite
Lithium
Silicon
Amorphous silicon
Alloying
Electrolytes
X ray diffraction
Coatings
Scanning electron microscopy
Ions
Chemical analysis
Gases

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Lee, J. K., Lee, M., Byun, D. J., & Cho, B. (2004). Elecrochemical characteristics of silicon-coated graphite for anodic active material of lithium secondary battery. In K. Striebel, K. Zaghib, & D. Guyomard (Eds.), Proceedings - Electrochemical Society (Vol. PV 2003-28, pp. 28-35)

Elecrochemical characteristics of silicon-coated graphite for anodic active material of lithium secondary battery. / Lee, Joong Kee; Lee, Myungro; Byun, Dong Jin; Cho, Byungwon.

Proceedings - Electrochemical Society. ed. / K. Striebel; K. Zaghib; D. Guyomard. Vol. PV 2003-28 2004. p. 28-35.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lee, JK, Lee, M, Byun, DJ & Cho, B 2004, Elecrochemical characteristics of silicon-coated graphite for anodic active material of lithium secondary battery. in K Striebel, K Zaghib & D Guyomard (eds), Proceedings - Electrochemical Society. vol. PV 2003-28, pp. 28-35, 205th Electrochemical Society Fall Meeting, Orlando, FL, United States, 03/10/12.
Lee JK, Lee M, Byun DJ, Cho B. Elecrochemical characteristics of silicon-coated graphite for anodic active material of lithium secondary battery. In Striebel K, Zaghib K, Guyomard D, editors, Proceedings - Electrochemical Society. Vol. PV 2003-28. 2004. p. 28-35
Lee, Joong Kee ; Lee, Myungro ; Byun, Dong Jin ; Cho, Byungwon. / Elecrochemical characteristics of silicon-coated graphite for anodic active material of lithium secondary battery. Proceedings - Electrochemical Society. editor / K. Striebel ; K. Zaghib ; D. Guyomard. Vol. PV 2003-28 2004. pp. 28-35
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