Li+ Insertion in Nanostructured TiO2 for Energy Storage
Nanostructured materials possess unique physical-chemical characteristics and have attracted much attention, among others, in the field of energy conversion and storage devices, for the possibility to exploit both their bulk and surface properties, enabling enhanced electron and ion transport, fast diffusion of electrolytes, and consequently high efficiency in the electrochemical processes. In particular, titanium dioxide received great attention, both in the form of amorphous or crystalline material for these applications, due to the large variety of nanostructures in which it can be obtained. In this paper, a comparison of the performance of titanium dioxide prepared through the oxidation of Ti foils in hydrogen peroxide is reported. In particular, two thermal treatments have been compared. One, at 150 °C in Ar, which serves to remove the residual hydrogen peroxide, and the second, at 450 °C in air. The material, after the treatment at 150 °C, results to be not stoichiometric and amorphous, while the treatment at 450 °C provide TiO2 in the anatase form. It turns out that not-stoichiometric TiO2 results to be a highly stable material, being a promising candidate for applications as high power Li-ion batteries, while the anatase TiO2 shows lower cyclability, but it is still promising for energy-storage devices.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:13 |
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| Enthalten in: |
Materials (Basel, Switzerland) - 13(2019), 1 vom: 19. Dez. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Serrapede, Mara [VerfasserIn] |
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| Links: |
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| Themen: |
Energy storage |
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| Anmerkungen: |
Date Revised 28.03.2024 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.3390/ma13010021 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM304620270 |
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| 520 | |a Nanostructured materials possess unique physical-chemical characteristics and have attracted much attention, among others, in the field of energy conversion and storage devices, for the possibility to exploit both their bulk and surface properties, enabling enhanced electron and ion transport, fast diffusion of electrolytes, and consequently high efficiency in the electrochemical processes. In particular, titanium dioxide received great attention, both in the form of amorphous or crystalline material for these applications, due to the large variety of nanostructures in which it can be obtained. In this paper, a comparison of the performance of titanium dioxide prepared through the oxidation of Ti foils in hydrogen peroxide is reported. In particular, two thermal treatments have been compared. One, at 150 °C in Ar, which serves to remove the residual hydrogen peroxide, and the second, at 450 °C in air. The material, after the treatment at 150 °C, results to be not stoichiometric and amorphous, while the treatment at 450 °C provide TiO2 in the anatase form. It turns out that not-stoichiometric TiO2 results to be a highly stable material, being a promising candidate for applications as high power Li-ion batteries, while the anatase TiO2 shows lower cyclability, but it is still promising for energy-storage devices | ||
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a Li-ion batteries | |
| 650 | 4 | |a energy storage | |
| 650 | 4 | |a nanostructured materials | |
| 650 | 4 | |a titanium dioxide | |
| 700 | 1 | |a Savino, Umberto |e verfasserin |4 aut | |
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| 700 | 1 | |a Amici, Julia |e verfasserin |4 aut | |
| 700 | 1 | |a Bodoardo, Silvia |e verfasserin |4 aut | |
| 700 | 1 | |a Tresso, Elena |e verfasserin |4 aut | |
| 700 | 1 | |a Chiodoni, Angelica |e verfasserin |4 aut | |
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