公开(公告)号：US20150010829A1

公开(公告)日：2015-01-08

申请号：US14274675

申请日：2014-05-09

Applicant: Electronics and Telecommunications Research Institute

Inventor： Dong Ok SHIN ,  Young-Gi LEE ,  Kwang Man KIM ,  Kunyoung KANG

IPC: H01M10/0562

CPC classification number: H01M10/0562 ,  C01G25/006 ,  C01G33/006 ,  C01G35/006 ,  C01P2002/52 ,  C01P2006/40 ,  H01M2300/0071

Abstract: An oxide-based solid electrolyte according to the present invention may be Lix-yLa3M2O12-y. The oxide-based solid electrolyte may further include a doping element. A method of preparing an oxide-based solid electrolyte according to the concept of the present invention may include preparing a precursor solution which includes a lanthanide complex and a metal complex, preparing an intermediate by a hydrothermal reaction that is performed on the precursor solution, adding a lithium compound and a dopant precursor to the intermediate to prepare a mixture, and crystallizing the mixture. The oxide-based solid electrolyte prepared according to the present invention may exhibit high ionic conductivity.

Abstract translation: 根据本发明的基于氧化物的固体电解质可以是Lix-yLa3M2O12-y。 基于氧化物的固体电解质可以进一步包括掺杂元素。 根据本发明的概念制备氧化物基固体电解质的方法可以包括制备包含镧系元素络合物和金属络合物的前体溶液，通过在前体溶液上进行的水热反应制备中间体，加入 将锂化合物和掺杂剂前体加入中间体以制备混合物，并使混合物结晶。 根据本发明制备的基于氧化物的固体电解质可以表现出高离子电导率。