Non-aqueous electrolytic secondary battery
    1.
    发明申请
    Non-aqueous electrolytic secondary battery 审中-公开
    非水电解二次电池

    公开(公告)号:US20070148548A1

    公开(公告)日:2007-06-28

    申请号:US11649322

    申请日:2007-01-02

    IPC分类号: H01M4/58

    摘要: A non-aqueous electrolyte secondary battery includes a positive electrode 11 made of graphite powder and a negative electrode 13 made of lithium metal or a lithium-intercalatable/deintercalatable material. The positive electrode 11 and the negative electrode 13 are faced to each other with an electrolyte, containing a lithium salt, interposed in between. The positive electrode 11 has a carbon-derived absorption peak which appears within a range of 3200 gauss to 3400 gauss in an electron spin resonance method in which measurement is performed using an X band. A relative ratio (ΔH40K/ΔH296K) of the full width of half maximum intensity ΔH40K of the peak measured at a temperature of 40 K to the full width of half maximum intensity ΔH296K of the peak measured at a temperature of 296 K is 2.1 or more. Accordingly, it is possible to provide the non-aqueous electrolyte secondary battery which prevents degradation of the capacity in charge/discharge cycles after performing high temperature floating charge.

    摘要翻译: 非水电解质二次电池包括由石墨粉末制成的正极11和由锂金属制成的负极13或可锂可插拔/可切换材料。 正电极11和负电极13彼此间隔着含有锂盐的电解质。 正电极11具有在电子自旋共振法中出现在3200高斯至3400高斯范围内的碳衍生的吸收峰,其中使用X波段进行测量。 在40℃的温度下测得的峰的全部最大强度的三分之一高度40H的相对比(ΔH40K /ΔH296K) K在296K的温度下测得的峰的半峰强度的全宽度ΔH296K 为2.1以上。 因此,可以提供在进行高温浮动充电之后防止充放电循环中的容量降低的非水电解质二次电池。

    Non-aqueous electrolyte secondary battery and process for producing positive electrode for use in non-aqueous electrolyte secondary battery
    2.
    发明授权
    Non-aqueous electrolyte secondary battery and process for producing positive electrode for use in non-aqueous electrolyte secondary battery 有权
    非水电解质二次电池以及用于非水电解质二次电池的正极的制造方法

    公开(公告)号:US07452633B2

    公开(公告)日:2008-11-18

    申请号:US11103420

    申请日:2005-04-11

    IPC分类号: H01M4/58

    摘要: A non-aqueous electrolyte secondary battery in which a positive electrode formed of a graphite powder and an negative electrode formed of a material capable of absorption/desorption of a lithium metal or lithium are placed to face each other in an electrolyte containing lithium salt. The positive electrode of this battery where a Lc (112) which is the size of crystallite in a c axis direction which is calculated from a (112) diffraction line of a graphite crystal and determined by a powder X-ray diffraction method which is from 4 nm to 30 nm, and a charge capacity at the first cycle which is calculated on the basis of a total weight of the graphite material of the positive electrode filled in the battery is 20 to 50 (mAh/g). Preferably, the graphite powder of the positive electrode has an ratio (A/B) which is the ratio of a specific surface area A determined by a nitrogen absorption (BET) method to a surface area B determined on the basis of an area average diameter of 20 or less.

    摘要翻译: 将含有由锂金属或锂吸收/解吸的材料形成的石墨粉末和负极构成的正极放置在含有锂盐的电解液中的非水电解质二次电池中。 该电池的正极,其中,根据石墨晶体的(112)衍射线计算出的在ac轴方向上的微晶尺寸的Lc(112),并且通过粉末X射线衍射法测定为4 nm至30nm,并且基于填充在电池中的正极的石墨材料的总重量计算的第一周期的充电容量为20〜50(mAh / g)。 优选地,正极的石墨粉末的比例(A / B)是由氮吸收(BET)法测定的比表面积A与基于面积平均直径 为20以下。

    Non-aqueous electrolyte secondary battery and process for producing positive electrode for use in non-aqueous electrolyte secondary battery
    3.
    发明申请
    Non-aqueous electrolyte secondary battery and process for producing positive electrode for use in non-aqueous electrolyte secondary battery 有权
    非水电解质二次电池以及用于非水电解质二次电池的正极的制造方法

    公开(公告)号:US20060292447A1

    公开(公告)日:2006-12-28

    申请号:US11103420

    申请日:2005-04-11

    IPC分类号: H01M4/58 H01M10/40

    摘要: A non-aqueous electrolyte secondary battery in which a positive electrode formed of a graphite powder and an negative electrode formed of a material capable of absorption/desorption of a lithium metal or lithium are placed to face each other in an electrolyte containing lithium salt. The positive electrode of this battery where a Lc (112) which is the size of crystallite in a c axis direction which is calculated from a (112) diffraction line of a graphite crystal and determined by a powder X-ray diffraction method which is from 4 nm to 30 nm, and a charge capacity at the first cycle which is calculated on the basis of a total weight of the graphite material of the positive electrode filled in the battery is 20 to 50 (mAh/g). Preferably, the graphite powder of the positive electrode has an ratio (A/B) which is the ratio of a specific surface area A determined by a nitrogen absorption (BET) method to a surface area B determined on the basis of an area average diameter of 20 or less.

    摘要翻译: 将含有由锂金属或锂吸收/解吸的材料形成的石墨粉末和负极构成的正极放置在含有锂盐的电解液中的非水电解质二次电池中。 该电池的正极,其中,根据石墨晶体的(112)衍射线计算出的在ac轴方向上的微晶尺寸的Lc(112),并且通过粉末X射线衍射法测定为4 nm至30nm,并且基于填充在电池中的正极的石墨材料的总重量计算的第一周期的充电容量为20〜50(mAh / g)。 优选地,正极的石墨粉末的比例(A / B)是由氮吸收(BET)法测定的比表面积A与基于面积平均直径 为20以下。

    Alkaline primary battery
    7.
    发明授权
    Alkaline primary battery 有权
    碱性一次电池

    公开(公告)号:US07344803B2

    公开(公告)日:2008-03-18

    申请号:US10469472

    申请日:2002-02-26

    IPC分类号: H01M4/32 H01M4/52 H01M4/58

    摘要: An alkaline primary cell which is improved in reduction of self-discharge and cell capacity under storage at a high temperature, has a prolonged life and makes use of nickel oxyhydroxide is provided inexpensively. β-Form nickel oxyhydroxide is contained in a positive electrode mixture as an active material, which contains cobalt and zinc as a substitutional element for solid solution, and has a total amount X+Y of molar ratios of cobalt atom X and zinc atom Y such that 2≦X+Y≦16, with a mixing ratio satisfying the relationship of Y≦3/2×X+1/2 and Y≧2/3×X −1/3, and where a diffraction peak obtained as a result of measurement of X-ray powder diffraction of nickel oxyhydroxide appears only in the vicinity of 18.5° within a range of 2θ=10°-30°.

    摘要翻译: 改善了在高温储存时自放电和电池容量降低的碱性电池具有延长的使用寿命并且廉价地提供使用氢氧化正镍。 β型羟基氧化镍作为活性物质的正极混合物中含有钴和锌作为固溶体的取代元素,并且具有钴原子X和锌原子Y的摩尔比的总量X + Y,例如 2 <= X + Y <= 16,混合比满足Y <= 3 / 2xX + 1/2和Y> = 2 / 3xX / 3/3的关系,其中得到的衍射峰 镍氢氧化镍的X射线粉末衍射的测量仅在2θ= 10°-30°的范围内仅在18.5°附近出现。