Tin–carbon composites as anodic material in Li-ion batteries obtained by copyrolysis of petroleum vacuum residue and SnO2
14 pages, 16 figures, 3 tables.-- Printed version published Jun 2007.
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| Language: | English |
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Elsevier
2007-04-02
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| Subjects: | Graphite anodes, Lithium storage, Oxide glasses, Insertion, Electrode, Intercalation, Nanotubes, |
| Online Access: | http://hdl.handle.net/10261/11314 |
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dig-incar-es-10261-113142022-12-30T11:54:14Z Tin–carbon composites as anodic material in Li-ion batteries obtained by copyrolysis of petroleum vacuum residue and SnO2 Tirado, J. L. Santamaría Ramírez, Ricardo Ortiz, G. F. Menéndez López, Rosa María Lavela, P. Jiménez-Mateos, J. M. Gómez García, F. J. Concheso Álvarez, Alejandro Alcántara, R. Graphite anodes Lithium storage Oxide glasses Insertion Electrode Intercalation Nanotubes 14 pages, 16 figures, 3 tables.-- Printed version published Jun 2007. Composite materials with tin nanoparticles surrounded by a “muffling” carbon matrix are formed simultaneously by adding 20% SnO2 to a vacuum residue and following carbonisation between 700°C and 1000°C. The primary purpose of the carbonaceous material is the reduction of SnO2, giving rise to SnS and Sn as nanoparticles. The homogenous distribution of both components induces therefore a synergetic effect on the properties of the electrode material, not only from the electrochemical point of view but also from that mechanical. Thus, the carbon matrix hinders the agglomeration of Li–Sn alloys during long term cycling and, simultaneously, tin particles improve the conductivity of the material and increase the overall capacity as compared with the reference carbon. In addition, a CVD treatment increases the performance of the material. Sn-119 Mössbauer and Li-7 MAS NMR spectroscopies allow a detailed study of partially charged/discharged samples and, therefore, the phases, steps and mechanisms occurring during the electrochemical process. The authors are grateful to CICYT for financial support (Contract MAT2005-00374 and contract MAT2001-1694) and M.C. Mohedano for her technical support. We thank to SCAI (UCO Central Service for Research Support in the HRTEM and 7Li NMR characterization). A. Concheso is indebted to MCYT for his predoctoral grant. Peer reviewed 2009-03-06T11:30:42Z 2009-03-06T11:30:42Z 2007-04-02 artículo http://purl.org/coar/resource_type/c_6501 Carbon 45(7): 1396-1409 (2007) 0008-6223 http://hdl.handle.net/10261/11314 10.1016/j.carbon.2007.03.041 en http://dx.doi.org/10.1016/j.carbon.2007.03.041 none 22195 bytes application/pdf Elsevier |
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Graphite anodes Lithium storage Oxide glasses Insertion Electrode Intercalation Nanotubes Graphite anodes Lithium storage Oxide glasses Insertion Electrode Intercalation Nanotubes |
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Graphite anodes Lithium storage Oxide glasses Insertion Electrode Intercalation Nanotubes Graphite anodes Lithium storage Oxide glasses Insertion Electrode Intercalation Nanotubes Tirado, J. L. Santamaría Ramírez, Ricardo Ortiz, G. F. Menéndez López, Rosa María Lavela, P. Jiménez-Mateos, J. M. Gómez García, F. J. Concheso Álvarez, Alejandro Alcántara, R. Tin–carbon composites as anodic material in Li-ion batteries obtained by copyrolysis of petroleum vacuum residue and SnO2 |
| description |
14 pages, 16 figures, 3 tables.-- Printed version published Jun 2007. |
| format |
artículo |
| topic_facet |
Graphite anodes Lithium storage Oxide glasses Insertion Electrode Intercalation Nanotubes |
| author |
Tirado, J. L. Santamaría Ramírez, Ricardo Ortiz, G. F. Menéndez López, Rosa María Lavela, P. Jiménez-Mateos, J. M. Gómez García, F. J. Concheso Álvarez, Alejandro Alcántara, R. |
| author_facet |
Tirado, J. L. Santamaría Ramírez, Ricardo Ortiz, G. F. Menéndez López, Rosa María Lavela, P. Jiménez-Mateos, J. M. Gómez García, F. J. Concheso Álvarez, Alejandro Alcántara, R. |
| author_sort |
Tirado, J. L. |
| title |
Tin–carbon composites as anodic material in Li-ion batteries obtained by copyrolysis of petroleum vacuum residue and SnO2 |
| title_short |
Tin–carbon composites as anodic material in Li-ion batteries obtained by copyrolysis of petroleum vacuum residue and SnO2 |
| title_full |
Tin–carbon composites as anodic material in Li-ion batteries obtained by copyrolysis of petroleum vacuum residue and SnO2 |
| title_fullStr |
Tin–carbon composites as anodic material in Li-ion batteries obtained by copyrolysis of petroleum vacuum residue and SnO2 |
| title_full_unstemmed |
Tin–carbon composites as anodic material in Li-ion batteries obtained by copyrolysis of petroleum vacuum residue and SnO2 |
| title_sort |
tin–carbon composites as anodic material in li-ion batteries obtained by copyrolysis of petroleum vacuum residue and sno2 |
| publisher |
Elsevier |
| publishDate |
2007-04-02 |
| url |
http://hdl.handle.net/10261/11314 |
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