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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Zhang, Xiaofei Böckenfeld, Nils Berkemeier, Frank Balducci, Andrea |
| Description | Author Affiliation: Zhang X ( Westfälische Wilhelms Universität, Institut für Physikalische Chemie-MEET, Corrensstrasse 28/30, 48149 Münster (Germany).) |
| Abstract | Carbon-coated Li3V2(PO4)3 (LVP) displaying nanostructured morphology can be easily prepared by using ionic-liquid-assisted sol-gel synthesis. The selection of highly viscous and thermally stable ionic liquids might promote the formation of nanostructures during the sol-gel synthesis. The presence of these structures shortens the diffusion paths and enlarges the contact area between the active material and the electrolyte; this leads to a significant improvement in lithium-ion diffusion. At the same time, the use of ionic liquids has a positive influence on the coating of the LVP particles, which improves the electronic conductivity of this material; this leads to enhanced charge-transfer properties. At a high current density of 40â C, the LVP/N-butyl-N-methylpyrrolidinium bis(trifluoromethanesulfonyl)imide material delivered a reversible capacity of approximately 100â mA h g(-1), and approximately 99 % of the initial capacity value was retained even after 100â cycles at 50â C. The excellent high rate and cycling stability performance make Li3V2(PO4)3 prepared by ionic-liquid-assisted sol-gel synthesis a very promising cathode material for high-power electrochemical storage devices. |
| File Format | HTM / HTML |
| ISSN | 18645631 |
| Issue Number | 6 |
| Volume Number | 7 |
| e-ISSN | 1864564X |
| Journal | ChemSusChem |
| Language | English |
| Publisher | Wiley-VCH |
| Publisher Date | 2014-06-01 |
| Publisher Place | Germany |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Phosphates Ionic Liquids Electric Power Supplies Research Support, Non-u.s. Gov't Discipline Sustainable Chemistry Lithium Nanostructures Carbon Journal Article Vanadium Compounds Chemistry Imidazoles Sulfonamides Electrochemistry Dielectric Spectroscopy |
| Content Type | Text |
| Resource Type | Article |
| Subject | Energy Environmental Chemistry Materials Science Chemical Engineering |
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