无机固体电解质由于其安全性能高、能量密度大等特点备受研究者的青睐。其中Garnet型锂离子无机固体电解质Li7 La3 Zr2 O12具有较高的离子导电率，较低的界面电阻，优良的稳定性能和电化学性能，在未来的全固态锂离子电池、锂空气电池等领域有着广阔的应用前景。主要从Li7 La3 Zr2 O12的晶体结构、制备工艺和掺杂改性等方面详细阐述无机固态电解质Li7 La3 Zr2 O12的研究进展。
Inorganic solid electrolytes have attracted considerable attention because of its high safety perfor-mance and energy density,among which Li7 La3 Zr2 O12 with garnet-structure exhibits high ionic conductivity,low in-terface resistance,excellent stability and electrochemical properties,as well as broad application prospects such as all-solid-state lithium-ion batteries and lithium-air batteries.In this review,the research progress of Li7 La3 Zr2 O12 is sur-veyed in terms of its crystal structures,preparation and doping modification technologies.
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