Nanocrystalline TiO2 Electrodes Exhibiting High Storage Capacity and Stability in Rechargeable Lithium Batteries
Nanocrystalline TiO2 films were explored for the first time as electrode material for a rechargeable lithium intercalation cell, i.e., Li/LiCF3SO3 + PC/TiO2. Two kinds of nanocrystalline films, TiO2 F387 (Degussa) and TiO2 colloid-240, were investigated. These films exhibited excellent performance r...
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| Format: | Article |
| Language: | English |
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Wiley
1995-01-01
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| Series: | Active and Passive Electronic Components |
| Online Access: | http://dx.doi.org/10.1155/1995/74892 |
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| _version_ | 1832565666322841600 |
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| author | Sui-Yang Huang Ladislav Kavan Andreas Kay Michael Grätzel Ivan Exnar |
| author_facet | Sui-Yang Huang Ladislav Kavan Andreas Kay Michael Grätzel Ivan Exnar |
| author_sort | Sui-Yang Huang |
| collection | DOAJ |
| description | Nanocrystalline TiO2 films were explored for the first time as electrode material for a rechargeable
lithium intercalation cell, i.e., Li/LiCF3SO3 + PC/TiO2. Two kinds of nanocrystalline films, TiO2
F387 (Degussa) and TiO2 colloid-240, were investigated. These films exhibited excellent performance
renderings them a promising choice for secondary battery applications. At a current density of 0.01
mA/cm2, two voltage plateaus at 1.78 and 1.89 V were observed for TiO2 F387 films during charge and
discharge, respectively. The TiO2 electrode charge capacity per unit weight rose with decreasing
current density. The highest capacity, obtained at a current density of 0.005 mA/cm2 and a final
discharge voltage of 1.4 V, was 265 mAh/g corresponding to a lithium insertion ratio of x = 0.8.
Nanocrystalline TiO2 colloid-240 films showed a similar performance. The cycle life of a TiO2
colloid-240 cell at a high current density was found to be excellent; a capacity loss lower than 14% has
been observed over 100 charge/discharge cycles. |
| format | Article |
| id | doaj-art-ab7d6dffcd4c44459453b34d23c043f7 |
| institution | Kabale University |
| issn | 0882-7516 1563-5031 |
| language | English |
| publishDate | 1995-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Active and Passive Electronic Components |
| spelling | doaj-art-ab7d6dffcd4c44459453b34d23c043f72025-02-03T01:07:03ZengWileyActive and Passive Electronic Components0882-75161563-50311995-01-01181233010.1155/1995/74892Nanocrystalline TiO2 Electrodes Exhibiting High Storage Capacity and Stability in Rechargeable Lithium BatteriesSui-Yang Huang0Ladislav Kavan1Andreas Kay2Michael Grätzel3Ivan Exnar4Institute of Physical Chemistry, Swiss Federal Institute of Technology, Lausanne CH-1015, SwitzerlandInstitute of Physical Chemistry, Swiss Federal Institute of Technology, Lausanne CH-1015, SwitzerlandInstitute of Physical Chemistry, Swiss Federal Institute of Technology, Lausanne CH-1015, SwitzerlandInstitute of Physical Chemistry, Swiss Federal Institute of Technology, Lausanne CH-1015, SwitzerlandRenata SA, Itingen CH-4452, SwitzerlandNanocrystalline TiO2 films were explored for the first time as electrode material for a rechargeable lithium intercalation cell, i.e., Li/LiCF3SO3 + PC/TiO2. Two kinds of nanocrystalline films, TiO2 F387 (Degussa) and TiO2 colloid-240, were investigated. These films exhibited excellent performance renderings them a promising choice for secondary battery applications. At a current density of 0.01 mA/cm2, two voltage plateaus at 1.78 and 1.89 V were observed for TiO2 F387 films during charge and discharge, respectively. The TiO2 electrode charge capacity per unit weight rose with decreasing current density. The highest capacity, obtained at a current density of 0.005 mA/cm2 and a final discharge voltage of 1.4 V, was 265 mAh/g corresponding to a lithium insertion ratio of x = 0.8. Nanocrystalline TiO2 colloid-240 films showed a similar performance. The cycle life of a TiO2 colloid-240 cell at a high current density was found to be excellent; a capacity loss lower than 14% has been observed over 100 charge/discharge cycles.http://dx.doi.org/10.1155/1995/74892 |
| spellingShingle | Sui-Yang Huang Ladislav Kavan Andreas Kay Michael Grätzel Ivan Exnar Nanocrystalline TiO2 Electrodes Exhibiting High Storage Capacity and Stability in Rechargeable Lithium Batteries Active and Passive Electronic Components |
| title | Nanocrystalline TiO2 Electrodes Exhibiting High Storage Capacity and Stability in Rechargeable Lithium Batteries |
| title_full | Nanocrystalline TiO2 Electrodes Exhibiting High Storage Capacity and Stability in Rechargeable Lithium Batteries |
| title_fullStr | Nanocrystalline TiO2 Electrodes Exhibiting High Storage Capacity and Stability in Rechargeable Lithium Batteries |
| title_full_unstemmed | Nanocrystalline TiO2 Electrodes Exhibiting High Storage Capacity and Stability in Rechargeable Lithium Batteries |
| title_short | Nanocrystalline TiO2 Electrodes Exhibiting High Storage Capacity and Stability in Rechargeable Lithium Batteries |
| title_sort | nanocrystalline tio2 electrodes exhibiting high storage capacity and stability in rechargeable lithium batteries |
| url | http://dx.doi.org/10.1155/1995/74892 |
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