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Lithium-containing oxide material with garnet structure and preparation method of lithium-containing oxide material
The invention belongs to the technical field of lithium ion solid electrolyte materials in all-solid-state lithium batteries, and discloses a lithium-containing oxide material with a garnet structure and a preparation method of the lithium-containing oxide material. The chemical formula of the lithium-containing oxide material is Li < 7-x + y > La < 3-y > A < y > Zr < 2-x > M < x > O < 12 >, wherein A is Ca, Sr or Ba; m is Nb or Ta; 0.3 < = x < = 0.7; 0 lt; y is less than or equal to 0.1, the crystal structure of the lithium-containing oxide material is a cubic phase, and the average particle size of the lithium-containing oxide powder material with the garnet structure is 250-1000nm; in addition, the invention also provides a preparation method of the fine-grained garnet type solid electrolyte powder with controllable particle size. The prepared lithium lanthanum zirconium oxide powder is high in purity, small in grain size, narrow in particle size distribution and good in thermal stability and chemical stability.
本发明属于全固态锂电池中锂离子固体电解质材料技术领域，公开了一种石榴石结构的含锂氧化物材料及其制备方法。所述含锂氧化物材料的化学式为Li7‑x+yLa3‑yAyZr2‑xMxO12，其中A＝Ca，Sr或Ba；M＝Nb或Ta；0.3≤x≤0.7；0
Lithium-containing oxide material with garnet structure and preparation method of lithium-containing oxide material
The invention belongs to the technical field of lithium ion solid electrolyte materials in all-solid-state lithium batteries, and discloses a lithium-containing oxide material with a garnet structure and a preparation method of the lithium-containing oxide material. The chemical formula of the lithium-containing oxide material is Li < 7-x + y > La < 3-y > A < y > Zr < 2-x > M < x > O < 12 >, wherein A is Ca, Sr or Ba; m is Nb or Ta; 0.3 < = x < = 0.7; 0 lt; y is less than or equal to 0.1, the crystal structure of the lithium-containing oxide material is a cubic phase, and the average particle size of the lithium-containing oxide powder material with the garnet structure is 250-1000nm; in addition, the invention also provides a preparation method of the fine-grained garnet type solid electrolyte powder with controllable particle size. The prepared lithium lanthanum zirconium oxide powder is high in purity, small in grain size, narrow in particle size distribution and good in thermal stability and chemical stability.
本发明属于全固态锂电池中锂离子固体电解质材料技术领域，公开了一种石榴石结构的含锂氧化物材料及其制备方法。所述含锂氧化物材料的化学式为Li7‑x+yLa3‑yAyZr2‑xMxO12，其中A＝Ca，Sr或Ba；M＝Nb或Ta；0.3≤x≤0.7；0
Lithium-containing oxide material with garnet structure and preparation method of lithium-containing oxide material
一种石榴石结构的含锂氧化物材料及其制备方法
LUO YALI (author) / DONG JIAXIN (author) / LIU JUNJIE (author) / WANG ZHAOQI (author) / WANG LIANG (author) / CHEN ZIANG (author)
2023-12-29
Patent
Electronic Resource
Chinese
Fluorine-containing garnet-structure lithium ion oxide ceramic
| European Patent Office | 2015