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- W2945043781 abstract "Abstract Oscillatory pressure sintering (OPS) is a novel sintering technique which can promote the densification of ceramic samples due to a periodic fluctuant pressure applied during sintering. In this work, OPS was successfully adopted to prepare Li-garnet solid electrolytes (Li6.4La3Zr1.4Ta0.6O12) for the first time. Compared with the sample sintered by conventional hot-pressing (HP), the solid electrolytes sintered by OPS have higher density and finer grain structure, and consequent higher mechanical properties as well as higher Li+ ion conductivity. The results indicate that the LLZO electrolytes fabricated by OPS process have improved mechanical properties, 241 ± 20 MPa of bending strength, 2.89 ± 0.13 MPa m1/2 of fracture toughness and 8.69 ± 0.33 GPa of Vickers hardness. Meanwhile, the electrolytes possess high conductivity at room temperature of 4.43 × 10−4 S cm−1. High strength and high conductivity are attributed to the rapid densification and the inhibited grain growth induced by the oscillatory pressure." @default.
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- W2945043781 date "2019-10-01" @default.
- W2945043781 modified "2023-10-17" @default.
- W2945043781 title "Enhanced mechanical strength and ionic conductivity of LLZO solid electrolytes by oscillatory pressure sintering" @default.
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- W2945043781 doi "https://doi.org/10.1016/j.ceramint.2019.05.241" @default.
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