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Rare earth oxide doped modified Ga-LLZO solid electrolyte and preparation method thereof
The invention provides a rare earth oxide doped and modified Ga-LLZO solid electrolyte and a preparation method thereof, and relates to the technical field of lithium batteries, the rare earth oxide doped and modified Ga-LLZO solid electrolyte has a cubic structure, and the molecular formula of the rare earth oxide doped and modified Ga-LLZO solid electrolyte is Li (6.25 + x) Ga (0.25) La3Zr (2-x) MxO12, M is a rare earth element, and x is greater than or equal to 0 and less than or equal to 0.2. Compared with the prior art, the garnet type Ga-LLZO solid electrolyte has the advantages that based on the doping effect of each site of the solid electrolyte LLZO, the garnet type Ga-LLZO electrolyte is modified through a rare earth oxide doping means, so that the LLZO solid electrolyte with high conductivity and high quality is obtained.
本发明提供了一种稀土氧化物掺杂改性Ga‑LLZO固体电解质及其制备方法，涉及锂电池技术领域，所述稀土氧化物掺杂改性Ga‑LLZO固体电解质具有立方结构，且所述稀土氧化物掺杂改性Ga‑LLZO固体电解质的分子式为Li6.25+xGa0.25La3Zr2‑xMxO12，其中，M为稀土元素，且0≤x≤0.2。与现有技术比较，本发明基于固态电解质LLZO各个位点的掺杂效果，通过稀土氧化物掺杂的手段改性石榴石型Ga‑LLZO电解质以获取电导率高且质量高的LLZO固态电解质。
Rare earth oxide doped modified Ga-LLZO solid electrolyte and preparation method thereof
The invention provides a rare earth oxide doped and modified Ga-LLZO solid electrolyte and a preparation method thereof, and relates to the technical field of lithium batteries, the rare earth oxide doped and modified Ga-LLZO solid electrolyte has a cubic structure, and the molecular formula of the rare earth oxide doped and modified Ga-LLZO solid electrolyte is Li (6.25 + x) Ga (0.25) La3Zr (2-x) MxO12, M is a rare earth element, and x is greater than or equal to 0 and less than or equal to 0.2. Compared with the prior art, the garnet type Ga-LLZO solid electrolyte has the advantages that based on the doping effect of each site of the solid electrolyte LLZO, the garnet type Ga-LLZO electrolyte is modified through a rare earth oxide doping means, so that the LLZO solid electrolyte with high conductivity and high quality is obtained.
本发明提供了一种稀土氧化物掺杂改性Ga‑LLZO固体电解质及其制备方法，涉及锂电池技术领域，所述稀土氧化物掺杂改性Ga‑LLZO固体电解质具有立方结构，且所述稀土氧化物掺杂改性Ga‑LLZO固体电解质的分子式为Li6.25+xGa0.25La3Zr2‑xMxO12，其中，M为稀土元素，且0≤x≤0.2。与现有技术比较，本发明基于固态电解质LLZO各个位点的掺杂效果，通过稀土氧化物掺杂的手段改性石榴石型Ga‑LLZO电解质以获取电导率高且质量高的LLZO固态电解质。
Rare earth oxide doped modified Ga-LLZO solid electrolyte and preparation method thereof
一种稀土氧化物掺杂改性Ga-LLZO固体电解质及其制备方法
LIN TIESONG (Autor:in) / LU FUGANG (Autor:in) / LIN PANPAN (Autor:in) / LIU ZHANGUO (Autor:in) / HE PENG (Autor:in)
25.03.2022
Patent
Elektronische Ressource
Chinesisch
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