Positive electrode active material for non-aqueous electrolyte secondary cell
    3.
    发明授权
    Positive electrode active material for non-aqueous electrolyte secondary cell 有权
    用于非水电解质二次电池的正极活性材料

    公开(公告)号:US07794879B2

    公开(公告)日:2010-09-14

    申请号:US10599393

    申请日:2005-03-30

    IPC分类号: H01M4/52

    摘要: A positive electrode active material for a non-aqueous electrode secondary cell which comprises a composite oxide containing iron and sodium as main components, having a hexagonal crystal structure, and exhibiting a value obtained by dividing the intensity of a peak corresponding to an interplanar spacing of 2.20 Å by the intensity of a peak corresponding to an interplanar spacing of 5.36 Å of 2 or less in the X-ray diffraction analysis of said composite oxide; and a method for preparing the positive electrode active material wherein the above composite oxide is prepared by heating a metal compound mixture mainly containing a sodium compound and an iron compound in the temperature range of 400 to 900° C., which comprises heating the metal compound mixture in an inert atmosphere in the temperature range of less than 100° C. on the way of the rise in the temperature. The use of the above active material allows the manufacture of a cell which is free from the rapid reduction of the discharge voltage with the progress of discharge.

    摘要翻译: 一种非水电极二次电池用正极活性物质,其特征在于,包含含有铁和钠作为主要成分的复合氧化物,具有六方晶系结构,并且表现出通过将对应于晶面间距的峰的强度除以 在所述复合氧化物的X射线衍射分析中,对应于5.36的面间距为2以下的峰的强度为2.20埃; 以及制备正极活性物质的方法,其中通过在400-900℃的温度范围内加热主要含有钠化合物和铁化合物的金属化合物混合物来制备上述复合氧化物,其包括加热金属化合物 混合物在惰性气氛中在温度范围内小于100℃的温度升高。 使用上述活性物质允许制造电池,随着放电进行而不会迅速降低放电电压。

    Positive Electrode Active Material For Non-Aqueou Electrolyte Secondary Cell
    4.
    发明申请
    Positive Electrode Active Material For Non-Aqueou Electrolyte Secondary Cell 有权
    非电解电解质二次电池用正极活性物质

    公开(公告)号:US20070212605A1

    公开(公告)日:2007-09-13

    申请号:US10599393

    申请日:2005-03-30

    IPC分类号: H01M4/52 C01G49/02

    摘要: A positive electrode active material for a non-aqueous electrode secondary cell which comprises a composite oxide containing iron and sodium as main components, having a hexagonal crystal structure, and exhibiting a value obtained by dividing the intensity of a peak corresponding to an interplanar spacing of 2.20 Å by the intensity of a peak corresponding to an inierplanar spacing of 5.36 Å of 2 or less in the X-ray diffraction analysis of said composite oxide; and a method for preparing the positive electrode active material wherein the above composite oxide is prepared by heating a metal compound mixture mainly containing a sodium compound and an iron compound in the temperature range of 400 to 900° C., which comprises heating the metal compound mixture in an inert atmosphere in the temperature range of less than 100° C. on the way of the rise in the temperature. The use of the above active material allows the manufacture of a cell which is free from the rapid reduction of the discharge voltage with the progress of discharge.

    摘要翻译: 一种非水电极二次电池用正极活性物质,其特征在于,包含含有铁和钠作为主要成分的复合氧化物,具有六方晶系结构,并且表现出通过将对应于晶面间距的峰的强度除以 在所述复合氧化物的X射线衍射分析中,对应于5.36埃的平面间距的峰的强度为2或更小的2.20埃; 以及制备正极活性物质的方法,其中通过在400-900℃的温度范围内加热主要含有钠化合物和铁化合物的金属化合物混合物来制备上述复合氧化物,其包括加热金属化合物 混合物在惰性气氛中在温度范围内小于100℃的温度升高。 使用上述活性物质允许制造电池,随着放电进行而不会迅速降低放电电压。

    Electroactive material and use thereof
    8.
    发明申请
    Electroactive material and use thereof 有权
    电活性材料及其用途

    公开(公告)号:US20060194104A1

    公开(公告)日:2006-08-31

    申请号:US11413207

    申请日:2006-04-28

    IPC分类号: H01M4/58 C01B35/12

    摘要: An electroactive material and a method of manufacturing the same is provided, in which the primary component of the electroactive material is a metal boron oxide complex, and the electroactive material exhibits excellent charge/discharge characteristics. The electroactive material of the present invention is primarily composed of an amorphous metal complex represented by the general formula M2-2xB2xO3. M is one or two or more metal elements selected from the transition metal elements, e.g., Fe or V. In addition, x is 0

    摘要翻译: 提供电活性材料及其制造方法,其中电活性材料的主要组分是金属氧化硼复合物,并且电活性材料表现出优异的充电/放电特性。 本发明的电活性材料主要由通式为M 2〜2×2×O 3 N 3表示的非晶态金属络合物构成。 M是选自过渡金属元素例如Fe或V中的一种或两种以上的金属元素。另外,x是0