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| Hauptseite > Publikationsdatenbank > Mechanical Behavior of Solid Electrolyte Materials for Lithium-ion Batteries > print |
| Hauptseite > Publikationsdatenbank > Mechanical Behavior of Solid Electrolyte Materials for Lithium-ion Batteries > print |
| 001 | 878123 | ||
| 005 | 20240711092259.0 | ||
| 020 | _ | _ | |a 978-3-95806-484-3 |
| 024 | 7 | _ | |2 Handle |a 2128/25479 |
| 024 | 7 | _ | |2 URN |a urn:nbn:de:0001-2020081204 |
| 024 | 7 | _ | |2 ISSN |a 1866-1793 |
| 037 | _ | _ | |a FZJ-2020-02641 |
| 041 | _ | _ | |a English |
| 100 | 1 | _ | |0 P:(DE-Juel1)171373 |a Yan, Gang |b 0 |e Corresponding author |u fzj |
| 245 | _ | _ | |a Mechanical Behavior of Solid Electrolyte Materials for Lithium-ion Batteries |f - 2020-08-12 |
| 260 | _ | _ | |a Jülich |b Forschungszentrum Jülich GmbH Zentralbibliothek, Verlag |c 2020 |
| 300 | _ | _ | |a x, 139 S. |
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| 336 | 7 | _ | |2 ORCID |a DISSERTATION |
| 336 | 7 | _ | |2 BibTeX |a PHDTHESIS |
| 336 | 7 | _ | |0 2 |2 EndNote |a Thesis |
| 336 | 7 | _ | |0 PUB:(DE-HGF)11 |2 PUB:(DE-HGF) |a Dissertation / PhD Thesis |b phd |m phd |s 1597209666_10913 |
| 336 | 7 | _ | |2 DRIVER |a doctoralThesis |
| 490 | 0 | _ | |a Schriften des Forschungszentrums Jülich Reihe Energie & Umwelt / Energy & Environment |v 500 |
| 502 | _ | _ | |a RWTH Aachen, Diss., 2020 |b Dissertation |c RWTH Aachen |d 2020 |
| 520 | _ | _ | |a All solid-state lithium-ion batteries (ASSLIBs) being based on solid state electrolytes are at present regarded as a promising alternative for conventional batteries on account of their higher ionic conductivity, energy density as well as higher chemical stability and safety. The solid electrolytes are expected to possess enhanced ionic conductivity and in addition a mechanical stability that warrants a safer separation of electrodes and is envisaged to permit them to withstand long-term cycling operation. However, in contrast to the widely investigated electro-chemical properties of solid electrolytes, the mechanical properties, which are important for long-term reliability, need to be studied deeper. Hence, the main aim of this work is the mechanical characterization of respective ceramic materials as candidates for solid electrolytes and the relationship to materials’ microstructures. For this purpose three types of solid electrolytes, NASICON type Li$_{1+x}$Al$_{x}$Ti$_{2-x}$(PO$_{4)3}$ (LATP), garnet type Li$_{7}$La$_{3}$Zr$_{2}$O$_{12}$ (LLZO), perovskite type Li$_{0.350}$La$_{0.557}$TiO$_{3}$ (LLTO), were chosen due to their previously verified promising electro-chemical properties. With the aim of understanding the mechanical properties of the LATP material, LATPs sintered at different temperatures (950 –1100 °C) were characterized via indentation method in this work. The results revealed that LATP sintered at higher temperature possesses higher elastic modulus, hardness and fracture toughness. The anisotropy of the mechanical properties of the solid electrolyte material LATP sintered at 1100 °C was investigated in this work via indentation mapping test in a depth control mode at room temperature with associated EBSD characterization. The experimentally derived elastic modulus and hardness of LATP show similar trends, i.e. that the rotation angle between two prismatic type planes had no detectable influence, whereas when the rotation angle from basal plane to prismatic plane increased, elastic modulus and hardness value decrease conspicuously. Furthermore, to assess the fracture reliability of electrolytes, Li$_{1.5}$Al$_{0.5}$Ti$_{1.5}$P$_{3}$O$_{12}$ mixed with SiO$_{2}$ (LATP:Si) and a LLZO material were selected to investigate the macroscopic mechanical properties, concentrating on fracture strength and Weibull modulus. The Weibull moduli of LATP:Si and LLZO are in a similar range as for other ceramic materials, whereas the fractur [...] |
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| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/878123/files/Energie_Umwelt_500.pdf |y OpenAccess |
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