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    • 20. 发明申请
    • SILANATED SILICA-CERAMIC MATERIALS, ORGANIC-MODIFIED METAL-OXIDE-COATED CERAMIC MATERIALS AND METHODS OF MAKING AND USING
    • 硅酸盐陶瓷材料,有机改性金属氧化物涂层陶瓷材料及其制造和使用方法
    • WO2018071322A1
    • 2018-04-19
    • PCT/US2017/055707
    • 2017-10-09
    • TEMPLE UNIVERSITY-OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION
    • WUNDER, StephanieZDILLA, MikeCHINNAM, Parameswara, Rao
    • H01M2/14H01M2/16H01M8/0202H01M8/0215H01M8/0228H01M10/052
    • The invention provides a novel ceramic - metal oxide - polymer composite material. A functionalized metal oxide nanolayer coating can be bonded between LICGCs and polymers/oligomers, which protects the LICGC from corrosion, has a low interfacial resistance to Li + migration, and can be a SIC. Hybrid ceramic-polymer electrolytes were formed by engineering the interface between a LICGC and a polymer, polyethylene oxide (PEO), by sputter coating a 200 nm thick SiO 2 layer onto a lithium ion conducting glass ceramic (LICGC) and silanating the SiO 2 with a functionalized PEG in the presence of LiTFSI. A low interfacial resistance (R interfacial ) was measured, the same as that obtained for a SiO 2 interface soaked with liquid tetraglyme/LiTFSI. The pegylated SiO 2 interface (unlike the tetraglyme/LiTFSI interface) protected the LICGC from corrosion by Li 0 metal. The (PEG-LiTFSI)-SiO 2 -LICGC could be bonded with polyethylene oxide/LiTFSI. This procedure provides a general method to bond other LICGCs to PEO-based polymers, and to incorporate other functionalities such as single ion conductivity into the interface via the incorporation of coupling agents with pendant anions.
    • 本发明提供了一种新型的陶瓷 - 金属氧化物 - 聚合物复合材料。 功能化的金属氧化物纳米层涂层可以结合在LICGC和聚合物/低聚物之间,其保护LICGC免受腐蚀,具有低于Li +迁移的界面阻力,并且可以是SIC。 通过在锂离子传导玻璃陶瓷(LICGC)上溅射涂覆200nm厚的SiO 2层,通过改造LICGC和聚合物即聚环氧乙烷(PEO)之间的界面来形成杂化陶瓷 - 聚合物电解质 )和在LiTFSI存在下用官能化PEG将SiO 2硅烷化。 测量了低界面电阻(R界面),与用液体四甘醇二甲醚/ LiTFSI浸泡的SiO 2界面所获得的界面电阻相同。 聚乙二醇化的SiO 2界面(与四甘醇二甲醚/ LiTFSI界面不同)保护LICGC免受Li 0 0金属的腐蚀。 (PEG-LiTFSI)-SiO 2 2 -LICGC可以与聚环氧乙烷/ LiTFSI结合。 该程序提供了将其他LICGC与PEO基聚合物结合的一般方法,并通过将偶联剂与侧链阴离子结合而将其它官能团如单离子电导率纳入界面。