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A solid-solution-doped LLZO inorganic oxide solid electrolyte is prepared from the following preparation raw materials in percentage by mass: 49 to 54% of lanthanum trioxide (La2O3), 29 to 33% of lithium hydroxide (LiOH), 12 to 14% of zirconium dioxide (ZrO2) and 2 to 4% of tetraethoxysilane, and can further comprise one or more of 0%-8% of aluminum oxide (Al2O3), 0%-8% of niobium oxide (Nb2O5) and 0%-8% of tantalum oxide (Ta2O5). The inorganic oxide solid electrolyte has the advantages of high compactness and high ionic conductivity. The organic oxide solid electrolyte prepared by the methodcan be used for preparing an all-solid-state power ion battery with high discharge capacity, and the obtained all-solid-state battery has excellent performance, high power density, high energy densityand good safety. The obtained all-solid-state battery can replace a traditional lithium ion battery, is particularly suitable for electric transport vehicles, electric power storage and the like, andhas a good application prospect.
一种掺杂固溶物的LLZO无机氧化物固态电解质，其制备原料按质量百分比计包含：三氧化二镧(LaO)49％‑54％、氢氧化锂(LiOH)29％‑33％、二氧化锆(ZrO)12％‑14％、正硅酸乙酯2％‑4％。还可进一步包含以下的一种或多种：氧化铝(AlO)0％‑8％、氧化铌(NbO)0％‑8％、氧化钽(TaO)0％‑8％。该无机氧化物固态电解质具有致密性高、离子传导性高的优点。采用本发明制备的机氧化物固态电解质，可提供放电容量高的全固体动力离子电池制备用，所得的全固体电池具备优异性能，其功率密度高，能量密度大，安全性好。所得的全固体电池可取代传统锂离子电池，特别适合电动运输汽车、电力存储等用途，应用前景好。
A solid-solution-doped LLZO inorganic oxide solid electrolyte is prepared from the following preparation raw materials in percentage by mass: 49 to 54% of lanthanum trioxide (La2O3), 29 to 33% of lithium hydroxide (LiOH), 12 to 14% of zirconium dioxide (ZrO2) and 2 to 4% of tetraethoxysilane, and can further comprise one or more of 0%-8% of aluminum oxide (Al2O3), 0%-8% of niobium oxide (Nb2O5) and 0%-8% of tantalum oxide (Ta2O5). The inorganic oxide solid electrolyte has the advantages of high compactness and high ionic conductivity. The organic oxide solid electrolyte prepared by the methodcan be used for preparing an all-solid-state power ion battery with high discharge capacity, and the obtained all-solid-state battery has excellent performance, high power density, high energy densityand good safety. The obtained all-solid-state battery can replace a traditional lithium ion battery, is particularly suitable for electric transport vehicles, electric power storage and the like, andhas a good application prospect.
一种掺杂固溶物的LLZO无机氧化物固态电解质，其制备原料按质量百分比计包含：三氧化二镧(LaO)49％‑54％、氢氧化锂(LiOH)29％‑33％、二氧化锆(ZrO)12％‑14％、正硅酸乙酯2％‑4％。还可进一步包含以下的一种或多种：氧化铝(AlO)0％‑8％、氧化铌(NbO)0％‑8％、氧化钽(TaO)0％‑8％。该无机氧化物固态电解质具有致密性高、离子传导性高的优点。采用本发明制备的机氧化物固态电解质，可提供放电容量高的全固体动力离子电池制备用，所得的全固体电池具备优异性能，其功率密度高，能量密度大，安全性好。所得的全固体电池可取代传统锂离子电池，特别适合电动运输汽车、电力存储等用途，应用前景好。
Solid-solution-doped LLZO inorganic oxide solid electrolyte and preparation method thereof
掺杂固溶物的LLZO无机氧化物固态电解质及制备方法
2020-05-08
Patent
Electronic Resource
Chinese
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