De Carolis, Dario M. ; Vrankovic, Dragoljub ; Kiefer, Samira A. ; Bruder, Enrico ; Dürrschnabel, Michael Thomas ; Molina-Luna, Leopoldo ; Graczyk‐Zajac, Magdalena ; Riedel, Ralf (2021)
Towards a greener and scalable synthesis of Na₂Ti₆O₁₃ nanorods and their application as anodes in batteries for grid‐level energy storage.
In: Energy Technology, 9 (1)
doi: 10.1002/ente.202000856
Artikel, Bibliographie
Dies ist die neueste Version dieses Eintrags.
Kurzbeschreibung (Abstract)
Grid applications require high power density (for frequency regulation, load leveling, and renewable energy integration), achievable by combining multiple batteries in a system without strict high capacity requirements. For these applications however, safety, cost efficiency, and the lifespan of electrode materials are crucial. Titanates, safe and longevous anode materials providing much lower energy density than graphite, are excellent candidates for this application. The innovative molten salt synthesis approach proposed in this work provides exceptionally pure Na2Ti6O13 nanorods generated at 900-1100 degrees C in a yield >= 80 wt%. It is fast, cost-efficient, and suitable for industrial upscaling. Electrochemical tests reveal stable performance providing capacities of approximate to 100 mA h g(-1) (Li) and 40 mA h g(-1) (Na). Increasing the synthesis temperature to 1100 degrees C leads to a capacity decrease, most likely resulting from 1) the morphology/volume change with the synthesis temperature and 2) distortion of the Na2Ti6O13 tunnel structure indicated by electron energy-loss and Raman spectroscopy. The suitability of pristine Na2Ti6O13 as the anode for grid-level energy storage systems has been proven a priori, without any performance-boosting treatment, indicating considerable application potential especially due to the high yield and low cost of the synthesis route.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2021 |
| Autor(en): | De Carolis, Dario M. ; Vrankovic, Dragoljub ; Kiefer, Samira A. ; Bruder, Enrico ; Dürrschnabel, Michael Thomas ; Molina-Luna, Leopoldo ; Graczyk‐Zajac, Magdalena ; Riedel, Ralf |
| Art des Eintrags: | Bibliographie |
| Titel: | Towards a greener and scalable synthesis of Na₂Ti₆O₁₃ nanorods and their application as anodes in batteries for grid‐level energy storage |
| Sprache: | Englisch |
| Publikationsjahr: | Januar 2021 |
| Verlag: | Wiley-VCH |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | Energy Technology |
| Jahrgang/Volume einer Zeitschrift: | 9 |
| (Heft-)Nummer: | 1 |
| DOI: | 10.1002/ente.202000856 |
| Zugehörige Links: | |
| Kurzbeschreibung (Abstract): | Grid applications require high power density (for frequency regulation, load leveling, and renewable energy integration), achievable by combining multiple batteries in a system without strict high capacity requirements. For these applications however, safety, cost efficiency, and the lifespan of electrode materials are crucial. Titanates, safe and longevous anode materials providing much lower energy density than graphite, are excellent candidates for this application. The innovative molten salt synthesis approach proposed in this work provides exceptionally pure Na2Ti6O13 nanorods generated at 900-1100 degrees C in a yield >= 80 wt%. It is fast, cost-efficient, and suitable for industrial upscaling. Electrochemical tests reveal stable performance providing capacities of approximate to 100 mA h g(-1) (Li) and 40 mA h g(-1) (Na). Increasing the synthesis temperature to 1100 degrees C leads to a capacity decrease, most likely resulting from 1) the morphology/volume change with the synthesis temperature and 2) distortion of the Na2Ti6O13 tunnel structure indicated by electron energy-loss and Raman spectroscopy. The suitability of pristine Na2Ti6O13 as the anode for grid-level energy storage systems has been proven a priori, without any performance-boosting treatment, indicating considerable application potential especially due to the high yield and low cost of the synthesis route. |
| Freie Schlagworte: | anode materials, grid storage, lithium, molten salt synthesis, sodium, MOLTEN-SALT SYNTHESIS, SODIUM-ION BATTERIES, ELECTRODE MATERIALS, LITHIUM INSERTION, RATE CAPABILITY, NA, TITANATE, LI, PERFORMANCE, NA2TI3O7 |
| Zusätzliche Informationen: | Funding Information: European Research Council Grant Number 805359‐FOXON, Merck KGaA, Projekt DEAL |
| Fachbereich(e)/-gebiet(e): | 11 Fachbereich Material- und Geowissenschaften 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Elektronenmikroskopie 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Disperse Feststoffe 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Physikalische Metallkunde |
| TU-Projekte: | EC/H2020|805359|FOXON |
| Hinterlegungsdatum: | 18 Jan 2021 06:34 |
| Letzte Änderung: | 31 Jan 2024 07:44 |
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| Suche nach Titel in: | TUfind oder in Google |
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Towards a Greener and Scalable Synthesis of Na₂Ti₆O₁₃ Nanorods and Their Application as Anodes in Batteries for Grid‐Level Energy Storage. (deposited 30 Jan 2024 13:53)
- Towards a greener and scalable synthesis of Na₂Ti₆O₁₃ nanorods and their application as anodes in batteries for grid‐level energy storage. (deposited 18 Jan 2021 06:34) [Gegenwärtig angezeigt]
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