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№ CN122950590AInvention

Unknown

一种烧绿石型锂镧铌氧氟固态电解质及其制备方法

本发明公开了一种烧绿石型锂镧铌氧氟固态电解质的制备方法，其包括如下步骤：S1：按照目标产物化学计量配比称量锂源、镧源、铌源、氟源，添加复合分散剂，加入醇类溶剂湿法球磨混合，球磨浆料经干燥、研磨、筛分后，得到均匀前驱体粉末；S2：将其装入模具，干压成型后得到片状生坯；S3：采用内外双层刚玉坩埚烧结体系，内层坩埚放置片状生坯，内外坩埚之间夹层填充稀土氟氧化物填料；分段升温烧结，得到烧绿石型锂镧铌氧氟固态电解质。本发明的制备方法，不仅具有通过双层坩埚与稀土氟氧化物填料夹层协同抑制氟锂高温挥发、保障烧绿石骨架结构完整性的优势，而且所得固态电解质兼具高离子电导率、宽电化学窗口及优良界面稳定性等优异特点。

❖浙江智邦锂电新材料有限公司张永祥; 姚吉涛; 刘继恒Oct 20, 2026§ 2/10 ClaimsH01M 10/0562 (2010.01), H01M 10/052 (2010.01)3

№ CN122931069AInvention

Unknown

一种表面改性氧化物固态电解质及其制备方法和应用

本发明公开了一种表面改性氧化物固态电解质的制备方法，其包括以下步骤：S1：将氧化物固态电解质基体与双官能团离子液体改性化合物在催化剂存在下于惰性气氛中反应，得到表面接枝离子液体单体的中间体；S2：将步骤S1得到的中间体与乙二醇二乙烯基醚单体在引发剂存在下进行自由基共聚反应，使接枝的离子液体单体与乙二醇二乙烯基醚单体原位共聚形成聚合物包覆层，得到所述表面改性氧化物固态电解质。本发明的制备方法，不仅通过离子液体改性化合物与电解质表面残碱/羟基化学键合，消除界面副反应，而且通过原位共聚合成了聚离子液体/聚醚复合包覆层，兼具高离子电导率与柔性链段特性，显著降低了界面阻抗并抑制了锂枝晶生长。

❖浙江智邦锂电新材料有限公司张永祥; 姚吉涛; 刘继恒Oct 16, 2026§ 2/10 ClaimsH01M 10/058 (2010.01), H01M 10/056 (2010.01), H01M 10/052 (2010.01)21