TiO<sub>2</sub> Nanotube Layers Decorated with Al<sub>2</sub>O<sub>3</sub>/MoS<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> as Anode for Li-ion Microbatteries with Enhanced Cycling Stability
TiO<sub>2</sub> nanotube layers (TNTs) decorated with Al<sub>2</sub>O<sub>3</sub>/MoS<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> are investigated as a negative electrode for 3D Li-ion microbatteries. Homogenous nanosheets decoratio...
| Main Authors: | , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2020-05-01
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| Series: | Nanomaterials |
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| Online Access: | https://www.mdpi.com/2079-4991/10/5/953 |
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| author | Alexander Teklit Tesfaye Hanna Sopha Angela Ayobi Raul Zazpe Jhonatan Rodriguez-Pereira Jan Michalicka Ludek Hromadko Siowwoon Ng Zdenek Spotz Jan Prikryl Jan M. Macak Thierry Djenizian |
| author_facet | Alexander Teklit Tesfaye Hanna Sopha Angela Ayobi Raul Zazpe Jhonatan Rodriguez-Pereira Jan Michalicka Ludek Hromadko Siowwoon Ng Zdenek Spotz Jan Prikryl Jan M. Macak Thierry Djenizian |
| author_sort | Alexander Teklit Tesfaye |
| collection | DOAJ |
| description | TiO<sub>2</sub> nanotube layers (TNTs) decorated with Al<sub>2</sub>O<sub>3</sub>/MoS<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> are investigated as a negative electrode for 3D Li-ion microbatteries. Homogenous nanosheets decoration of MoS<sub>2</sub>, sandwiched between Al<sub>2</sub>O<sub>3</sub> coatings within self-supporting TNTs was carried out using atomic layer deposition (ALD) process. The structure, morphology, and electrochemical performance of the Al<sub>2</sub>O<sub>3</sub>/MoS<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub>-decorated TNTs were studied using scanning transmission electron microscopy, energy dispersive X-ray spectroscopy, X-ray photoelectron spectroscopy, and chronopotentiometry. Al<sub>2</sub>O<sub>3</sub>/MoS<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub>-decorated TNTs deliver an areal capacity almost three times higher than that obtained for MoS<sub>2</sub>-decorated TNTs and as-prepared TNTs after 100 cycles at 1C. Moreover, stable and high discharge capacity (414 µAh cm<sup>−2</sup>) has been obtained after 200 cycles even at very fast kinetics (3C). |
| first_indexed | 2024-03-10T19:46:31Z |
| format | Article |
| id | doaj.art-49114411b3ec4317badeb08b36226c43 |
| institution | Directory Open Access Journal |
| issn | 2079-4991 |
| language | English |
| last_indexed | 2024-03-10T19:46:31Z |
| publishDate | 2020-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Nanomaterials |
| spelling | doaj.art-49114411b3ec4317badeb08b36226c432023-11-20T00:46:13ZengMDPI AGNanomaterials2079-49912020-05-0110595310.3390/nano10050953TiO<sub>2</sub> Nanotube Layers Decorated with Al<sub>2</sub>O<sub>3</sub>/MoS<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> as Anode for Li-ion Microbatteries with Enhanced Cycling StabilityAlexander Teklit Tesfaye0Hanna Sopha1Angela Ayobi2Raul Zazpe3Jhonatan Rodriguez-Pereira4Jan Michalicka5Ludek Hromadko6Siowwoon Ng7Zdenek Spotz8Jan Prikryl9Jan M. Macak10Thierry Djenizian11Mines Saint-Etienne, Center of Microelectronics in Provence, Flexible Electronics Department, 13541 Gardanne, FranceCenter of Materials and Nanotechnologies, Faculty of Chemical Technology, University of Pardubice, Nam. Cs. Legii 565, 53002 Pardubice, Czech RepublicMines Saint-Etienne, Center of Microelectronics in Provence, Flexible Electronics Department, 13541 Gardanne, FranceCenter of Materials and Nanotechnologies, Faculty of Chemical Technology, University of Pardubice, Nam. Cs. Legii 565, 53002 Pardubice, Czech RepublicCenter of Materials and Nanotechnologies, Faculty of Chemical Technology, University of Pardubice, Nam. Cs. Legii 565, 53002 Pardubice, Czech RepublicCentral European Institute of Technology, Brno University of Technology, Purkyňova 123, 612 00 Brno, Czech RepublicCenter of Materials and Nanotechnologies, Faculty of Chemical Technology, University of Pardubice, Nam. Cs. Legii 565, 53002 Pardubice, Czech RepublicCentral European Institute of Technology, Brno University of Technology, Purkyňova 123, 612 00 Brno, Czech RepublicCentral European Institute of Technology, Brno University of Technology, Purkyňova 123, 612 00 Brno, Czech RepublicCenter of Materials and Nanotechnologies, Faculty of Chemical Technology, University of Pardubice, Nam. Cs. Legii 565, 53002 Pardubice, Czech RepublicCenter of Materials and Nanotechnologies, Faculty of Chemical Technology, University of Pardubice, Nam. Cs. Legii 565, 53002 Pardubice, Czech RepublicMines Saint-Etienne, Center of Microelectronics in Provence, Flexible Electronics Department, 13541 Gardanne, FranceTiO<sub>2</sub> nanotube layers (TNTs) decorated with Al<sub>2</sub>O<sub>3</sub>/MoS<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> are investigated as a negative electrode for 3D Li-ion microbatteries. Homogenous nanosheets decoration of MoS<sub>2</sub>, sandwiched between Al<sub>2</sub>O<sub>3</sub> coatings within self-supporting TNTs was carried out using atomic layer deposition (ALD) process. The structure, morphology, and electrochemical performance of the Al<sub>2</sub>O<sub>3</sub>/MoS<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub>-decorated TNTs were studied using scanning transmission electron microscopy, energy dispersive X-ray spectroscopy, X-ray photoelectron spectroscopy, and chronopotentiometry. Al<sub>2</sub>O<sub>3</sub>/MoS<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub>-decorated TNTs deliver an areal capacity almost three times higher than that obtained for MoS<sub>2</sub>-decorated TNTs and as-prepared TNTs after 100 cycles at 1C. Moreover, stable and high discharge capacity (414 µAh cm<sup>−2</sup>) has been obtained after 200 cycles even at very fast kinetics (3C).https://www.mdpi.com/2079-4991/10/5/953TiO<sub>2</sub> nanotubeMoS<sub>2</sub>Al<sub>2</sub>O<sub>3</sub>atomic layer depositionLi-ion microbatteries |
| spellingShingle | Alexander Teklit Tesfaye Hanna Sopha Angela Ayobi Raul Zazpe Jhonatan Rodriguez-Pereira Jan Michalicka Ludek Hromadko Siowwoon Ng Zdenek Spotz Jan Prikryl Jan M. Macak Thierry Djenizian TiO<sub>2</sub> Nanotube Layers Decorated with Al<sub>2</sub>O<sub>3</sub>/MoS<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> as Anode for Li-ion Microbatteries with Enhanced Cycling Stability Nanomaterials TiO<sub>2</sub> nanotube MoS<sub>2</sub> Al<sub>2</sub>O<sub>3</sub> atomic layer deposition Li-ion microbatteries |
| title | TiO<sub>2</sub> Nanotube Layers Decorated with Al<sub>2</sub>O<sub>3</sub>/MoS<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> as Anode for Li-ion Microbatteries with Enhanced Cycling Stability |
| title_full | TiO<sub>2</sub> Nanotube Layers Decorated with Al<sub>2</sub>O<sub>3</sub>/MoS<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> as Anode for Li-ion Microbatteries with Enhanced Cycling Stability |
| title_fullStr | TiO<sub>2</sub> Nanotube Layers Decorated with Al<sub>2</sub>O<sub>3</sub>/MoS<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> as Anode for Li-ion Microbatteries with Enhanced Cycling Stability |
| title_full_unstemmed | TiO<sub>2</sub> Nanotube Layers Decorated with Al<sub>2</sub>O<sub>3</sub>/MoS<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> as Anode for Li-ion Microbatteries with Enhanced Cycling Stability |
| title_short | TiO<sub>2</sub> Nanotube Layers Decorated with Al<sub>2</sub>O<sub>3</sub>/MoS<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> as Anode for Li-ion Microbatteries with Enhanced Cycling Stability |
| title_sort | tio sub 2 sub nanotube layers decorated with al sub 2 sub o sub 3 sub mos sub 2 sub al sub 2 sub o sub 3 sub as anode for li ion microbatteries with enhanced cycling stability |
| topic | TiO<sub>2</sub> nanotube MoS<sub>2</sub> Al<sub>2</sub>O<sub>3</sub> atomic layer deposition Li-ion microbatteries |
| url | https://www.mdpi.com/2079-4991/10/5/953 |
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