METHOD FOR PREPARING Li4NbxTi5-xO12/C NANOCOMPOSITE AS AN ANODE MATERIAL FOR LI-ION BATTERIES
    1.
    发明申请
    METHOD FOR PREPARING Li4NbxTi5-xO12/C NANOCOMPOSITE AS AN ANODE MATERIAL FOR LI-ION BATTERIES 有权
    用于制备锂离子电池的Li4NbxTi5-xO12 / C纳米复合材料作为阳极材料的方法

    公开(公告)号:US20120305856A1

    公开(公告)日:2012-12-06

    申请号:US13485523

    申请日:2012-05-31

    IPC分类号: H01B1/04 B82Y40/00 B82Y30/00

    CPC分类号: H01M4/485 H01M10/0525

    摘要: A method for preparing a Li4NbxTi5-xO12/C nanocomposite as anode material for lithium-ion batteries is disclosed, which includes the following steps: (a) obtaining a mixture of a lithium salt, niobium pentaoxide, titanium dioxide (TiO2), and a carbon source in a selected stoichiometric ratio; (b) mixing the mixture in a dispersant to produce a slurry; (c) drying the slurry to produce a dried mixture; (d) treating the dried mixture under a protective atmosphere, according to a heating program to produce the Li4NbxTi5-xO12/C nanocomposite, wherein the heating program comprises: calcining the dried mixture at 600° C. for 2-6 hours, heating it at a rate of 2-20° C. per minute to 950-980° C., cooling it by natural cooling to 800-850° C., maintaining the temperature at 800-850° C. for 16 hours, and cooling it by natural cooling to room temperature.

    摘要翻译: 公开了一种制备Li4NbxTi5-xO12 / C纳米复合材料作为锂离子电池负极材料的方法,其包括以下步骤:(a)获得锂盐,五氧化铌,二氧化钛(TiO 2)和 选择化学计量比的碳源; (b)将混合物在分散剂中混合以产生浆料; (c)干燥浆料以产生干燥的混合物; (d)根据加热程序在保护气氛下处理干燥的混合物以制备Li4NbxTi5-xO12 / C纳米复合材料,其中加热程序包括:在600℃下煅烧干燥的混合物2-6小时,加热 以2-20℃/分钟的速率加热到950-980℃,通过自然冷却冷却至800-850℃,将温度保持在800-850℃16小时,并冷却 通过自然冷却至室温。

    Method for preparing Li4NbxTi5−xO12/C nanocomposite as an anode material for li-ion batteries
    2.
    发明授权
    Method for preparing Li4NbxTi5−xO12/C nanocomposite as an anode material for li-ion batteries 有权
    制备Li4NbxTi5-xO12 / C纳米复合材料作为锂离子电池负极材料的方法

    公开(公告)号:US08734675B2

    公开(公告)日:2014-05-27

    申请号:US13485523

    申请日:2012-05-31

    IPC分类号: H01M4/88

    CPC分类号: H01M4/485 H01M10/0525

    摘要: A method for preparing a Li4NbxTi5-xO12/C nanocomposite as anode material for lithium-ion batteries is disclosed, which includes the following steps: (a) obtaining a mixture of a lithium salt, niobium pentaoxide, titanium dioxide (TiO2), and a carbon source in a selected stoichiometric ratio; (b) mixing the mixture in a dispersant to produce a slurry; (c) drying the slurry to produce a dried mixture; (d) treating the dried mixture under a protective atmosphere, according to a heating program to produce the Li4NbxTi5-xO12/C nanocomposite, wherein the heating program comprises: calcining the dried mixture at 600° C. for 2-6 hours, heating it at a rate of 2-20° C. per minute to 950-980° C., cooling it by natural cooling to 800-850° C., maintaining the temperature at 800-850° C. for 16 hours, and cooling it by natural cooling to room temperature.

    摘要翻译: 公开了一种制备Li4NbxTi5-xO12 / C纳米复合材料作为锂离子电池负极材料的方法,其包括以下步骤:(a)获得锂盐,五氧化铌,二氧化钛(TiO 2)和 选择化学计量比的碳源; (b)将混合物在分散剂中混合以产生浆料; (c)干燥浆料以产生干燥的混合物; (d)根据加热程序在保护气氛下处理干燥的混合物以制备Li4NbxTi5-xO12 / C纳米复合材料,其中加热程序包括:在600℃下煅烧干燥的混合物2-6小时,加热 以2-20℃/分钟的速率加热到950-980℃,通过自然冷却冷却至800-850℃,将温度保持在800-850℃16小时,并冷却 通过自然冷却至室温。