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| Hauptseite > Publikationsdatenbank > Next-generation Li1.3+xAl0.3AsxTi1.7-x(PO4)3 NASICON electrolytes with outstanding ionic conductivity performance > print |
| Hauptseite > Publikationsdatenbank > Next-generation Li1.3+xAl0.3AsxTi1.7-x(PO4)3 NASICON electrolytes with outstanding ionic conductivity performance > print |
| 001 | 1041722 | ||
| 005 | 20250804115204.0 | ||
| 024 | 7 | _ | |a 10.1016/j.jpowsour.2025.237103 |2 doi |
| 024 | 7 | _ | |a 0378-7753 |2 ISSN |
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| 041 | _ | _ | |a English |
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| 100 | 1 | _ | |a Taoussi, S. |0 0009-0003-4402-2172 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Next-generation Li1.3+xAl0.3AsxTi1.7-x(PO4)3 NASICON electrolytes with outstanding ionic conductivity performance |
| 260 | _ | _ | |a New York, NY [u.a.] |c 2025 |b Elsevier |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 520 | _ | _ | |a NASICON-type solid electrolytes feature prominently in the improved safety and energy density of solid-state lithium batteries (ASSLBs). Achieving high ionic conductivity in these electrolytes is key to optimizing their performance. In this study, we introduced a new class of NASICON-type materials by doping arsenic into the Li1.3Al0.3Ti1.7(PO4)3 framework, creating a series of Li1.3+xAl0.3AsxTi1.7-x(PO4)3 phases with varying arsenic content (x = 0, 0.1, 0.2, 0.3), synthesized using the standard solid-state reaction method. X-ray diffraction confirmed the successful formation of the Li1.3+xAl0.3AsxTi1.7-x(PO4)3 phases, which was further validated by Rietveld refinement. Structural analyses through FT-IR, Raman spectroscopy, NMR, and ICP-AES studies validate the effective incorporation of arsenic into the lattice. Among the different compositions, Li1.5As0.2Al0.3Ti1.5(PO4)3 phase stood out due to its high relative density of 89% and its pore-free microstructure, as observed through scanning electron microscopy results, revealing the largest grain and crystallite size. Notably, doping with arsenic resulted in a significant enhancement in ionic conductivity, increasing from 5.34×10-5 Ω-1.cm-1 for Li1.3Al0.3Ti1.7(PO4)3 to 8.57×10-4 Ω-1.cm-1 for the Li1.5As0.2Al0.3Ti1.5(PO4)3 at 25°C. With a lithium transference number of 0.99, and a conduction mechanism largely unaffected by changes in temperature or composition, demonstrating its suitability as a promising candidate for solid electrolyte applications. |
| 536 | _ | _ | |a 6G4 - Jülich Centre for Neutron Research (JCNS) (FZJ) (POF4-6G4) |0 G:(DE-HGF)POF4-6G4 |c POF4-6G4 |f POF IV |x 0 |
| 536 | _ | _ | |a 632 - Materials – Quantum, Complex and Functional Materials (POF4-632) |0 G:(DE-HGF)POF4-632 |c POF4-632 |f POF IV |x 1 |
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| 773 | _ | _ | |a 10.1016/j.jpowsour.2025.237103 |g Vol. 644, p. 237103 - |0 PERI:(DE-600)1491915-1 |p 237103 |t Journal of power sources |v 644 |y 2025 |x 0378-7753 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/1041722/files/Next-Generation%20Li1.3%2BxAl0.3AsxTi1.7-x%28PO4%293%20%20NASICON%20Electrolytes%20with%20Outstanding%20Ionic%20Conductivity%20Performance.pdf |y Published on 2025-04-22. Available in OpenAccess from 2027-04-22. |
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