High-capacity potato peel-shaped graphite for lithium-ion batteries
Highly graphitic carbons are obtained by precipitating carbon from molten steel inoculated with bismuth. Scanning electron microscopy images show that the products have a potato peel morphology. The inoculant leads to a breaking of the local symmetry of the graphitic structure as evidenced by Raman...
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| Veröffentlicht in: | MRS communications 2011-11, Vol.1 (1), p.41-44 |
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| creator | Kumari, T. Sri Devi Surya, R. Stephan, A. Manuel Jeyakumar, D. Prem Kumar, T. |
| description | Highly graphitic carbons are obtained by precipitating carbon from molten steel inoculated with bismuth. Scanning electron microscopy images show that the products have a potato peel morphology. The inoculant leads to a breaking of the local symmetry of the graphitic structure as evidenced by Raman spectroscopic studies. The products exhibit flat charge–discharge profiles below about 200 mV versus Li+/Li, reversible capacities even exceeding the theoretical limit of 372 mAh/g for perfectly graphitic structures, low first-cycle irreversible capacities, and sustained hundreds of cycles. |
| doi_str_mv | 10.1557/mrc.2011.13 |
| format | Article |
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| language | eng |
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| subjects | Biomaterials Characterization and Evaluation of Materials Materials Engineering Materials Science Nanotechnology Polymer Sciences |
| title | High-capacity potato peel-shaped graphite for lithium-ion batteries |
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