Pyrolytic carbon derived from coffee shells as anode materials for lithium batteries

Disordered carbonaceous materials have been obtained by pyrolysis of coffee shells at 800 and 900 °C with pore-forming substances such as KOH and ZnCl 2. X-ray diffraction studies revealed a carbon structure with a large number of disorganized single layer carbon sheets. The structure and morphology...

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Bibliographic Details
Published inThe Journal of physics and chemistry of solids Vol. 68; no. 2; pp. 182 - 188
Main Authors Hwang, Yun Ju, Jeong, Soo Kyung, Nahm, Kee Suk, Shin, Jae Sun, Manuel Stephan, A.
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 01.02.2007
Elsevier
Subjects
Applied sciences
C. Electron microscopy
C. X-ray diffraction
Chemistry
D. Electrochemical properties
D. Microstructure
Electrochemistry
Electrodes: preparations and properties
Energy
Energy. Thermal use of fuels
Exact sciences and technology
General and physical chemistry
Transport and storage of energy
D. Microstructure
C. Electron microscopy
D. Electrochemical properties
C. X-ray diffraction
Lithium battery
Electrochemical properties
Anode
Preparation
Microstructure
Carbon
X ray diffraction
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Summary:Disordered carbonaceous materials have been obtained by pyrolysis of coffee shells at 800 and 900 °C with pore-forming substances such as KOH and ZnCl 2. X-ray diffraction studies revealed a carbon structure with a large number of disorganized single layer carbon sheets. The structure and morphology of the materials have been greatly varied upon the addition of porogens. The prepared carbon materials have been subjected to cycling studies. The KOH-treated products offered higher capacity with improved stability than those with untreated and ZnCl 2-treated one.
ISSN:0022-3697
1879-2553
DOI:10.1016/j.jpcs.2006.10.007