阅读说明：本技术 一种微波快速烧结制备llzo固体电解质的方法 (Method for preparing LLZO solid electrolyte by microwave rapid sintering ) 是由 王泰林 庞庆乐 沈建兴 张雷 于 2020-06-23 设计创作，主要内容包括：本发明涉及一种通过微波快速烧结制备LLZO(Li<Sub>7</Sub>La<Sub>3</Sub>Zr<Sub>2</Sub>O<Sub>12</Sub>)固体电解质的方法,该方法利用传统固相法,通过压制成型和新型微波烧结法,制备出一种LLZO固体电解质陶瓷材料。该材料具有典型的立方相石榴石结构,具有较高的离子电导率,此外该电解质材料还展现出了机械强度高,工作温度范围广的优点,是一种优秀的锂离子电池固体电解质材料。(The invention relates to a method for preparing LLZO (Li) by microwave rapid sintering 7 La 3 Zr 2 O 12 ) Solid electricityThe method of the electrolyte utilizes the traditional solid phase method, and prepares the LLZO solid electrolyte ceramic material through compression molding and a novel microwave sintering method. The material has a typical cubic phase garnet structure and higher ionic conductivity, and in addition, the electrolyte material also has the advantages of high mechanical strength and wide working temperature range, and is an excellent solid electrolyte material for the lithium ion battery.)

1. The electrolyte material for lithium ion battery is characterized in that the electrolyte material is Li₇La₃Zr₂O₁₂A ceramic material.

2. The electrolyte material of claim 1, wherein Li is used as the electrolyte material of a lithium ion battery₇La₃Zr₂O₁₂Solid electrolytes are used in lithium ion batteries.

3. The lithium ion battery electrolyte material of claim 1, wherein the Li comprises Li₇La₃Zr₂O₁₂The solid electrolyte is cubic.

4. The lithium ion battery electrolyte material of claim 1, wherein the Li comprises Li₇La₃Zr₂O₁₂The solid electrolyte is obtained by pressing and molding and then performing a microwave sintering process.

5. The lithium ion battery electrolyte material of claim 1, wherein the Li comprises Li₇La₃Zr₂O₁₂The lithium supplement amount of the lithium carbonate in the solid electrolyte principle mixture ratio is 10-20%.

6. The lithium ion battery electrolyte material of claim 3, wherein the Li is selected from the group consisting of Li, and Li₇La₃Zr₂O₁₂The sintering temperature of the cubic phase of the solid electrolyte is 1150-1120 ℃, and the temperature is kept for 1-4 h.

7. The lithium ion battery electrolyte material of claim 4, wherein the Li is selected from the group consisting of Li, and Li₇La₃Zr₂O₁₂The pressure of the solid electrolyte compression molding is 8 MPa, and the pressure maintaining time is 1 min.