Commercial carbonaceous materials as lithium intercalation anodes
Journal Article
·
· Journal of the Electrochemical Society
- Lawrence Livermore National Lab., CA (United States). Dept. of Chemistry and Materials Science
- Lawrence Berkeley Lab., CA (United States). Energy and Environment Division
Commercial carbonaceous materials were examined as lithium intercalation anodes in propylene carbonate (carbons) and ethylene carbonate/dimethyl carbonate (graphites) electrolytes. The reversible capacity (180--355 mAh/g) and the irreversible capacity loss (15--200% based on reversible capacity) depends on the type of binder, carbon type, morphology, and phosphorus doping concentration. A carbon-based binder was chosen for electrode fabrication, producing mechanically and chemically stable electrodes and reproducible results. Several types of graphites had capacity approaching LiC{sub 6}. Petroleum fuel green cokes doped with phosphorus gave more than a 20% increase in capacity compared to undoped samples. Electrochemical characteristics are related to scanning electron microscopy, transmission electron microscopy, X-ray diffraction, and Brunauer, Emmett, and Teller method measurements.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 131764
- Journal Information:
- Journal of the Electrochemical Society, Journal Name: Journal of the Electrochemical Society Journal Issue: 10 Vol. 142; ISSN 0013-4651; ISSN JESOAN
- Country of Publication:
- United States
- Language:
- English
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