Non-aqueous electrolyte lithium secondary battery
    2.
    发明授权
    Non-aqueous electrolyte lithium secondary battery 失效
    非水电解质锂二次电池

    公开(公告)号:US5631105A

    公开(公告)日:1997-05-20

    申请号:US651365

    申请日:1996-05-22

    摘要: A non-aqueous electrolyte secondary battery having a low manufacturing cost and a high energy density and being excellent in the high rate charge/discharge characteristic and in the characteristics in operation at high temperature provided by an improvement on its positive electrode active material is disclosed. The positive electrode active material comprises a specific compound wherein a part of nickel or lithium in LiNiO.sub.2 is substituted with another element in a specified range. The element for the substitution comprises Mg, Ca, Sr, Ba, Al Cr, B and Co which may be employed solely or in combination.

    摘要翻译: 公开了一种具有低制造成本和高能量密度并且通过改善其正极活性材料提供的高速率充放电特性和高温操作特性优异的非水电解质二次电池。 正极活性物质包含其中LiNiO 2中的一部分镍或锂被特定范围内的另一元素取代的特定化合物。 用于取代的元素包括可以单独使用或组合使用的Mg,Ca,Sr,Ba,AlCr,B和Co。

    Nonaqueous electrolyte secondary battery
    5.
    发明授权
    Nonaqueous electrolyte secondary battery 失效
    非水电解质二次电池

    公开(公告)号:US5939224A

    公开(公告)日:1999-08-17

    申请号:US864941

    申请日:1997-05-29

    IPC分类号: H01M4/58

    CPC分类号: H01M10/05 H01M4/583

    摘要: The invention provides a nonaqueous electrolyte secondary battery which employs, as a negative electrode active material, a carbide containing an alkali metal in a charged stage. The carbide used is an ionic bond type carbide, a covalent bond type carbide, or an intermetallic compound type carbide. The ionic bond type carbide is exemplified as Na.sub.2 C.sub.2, K.sub.2 C.sub.2, Cu.sub.2 C.sub.2, VC.sub.2, and the like. The covalent bond type carbide is exemplified as Cr.sub.4 C, and the like. The intermetallic compound type carbide is exemplified as Mn.sub.3 C, Mn.sub.23 C.sub.6, Mn.sub.7 C.sub.3, Fe.sub.2 C, FeC, Ni.sub.3 C, and the like. A highly reliable nonaqueous electrolyte secondary battery with a high energy density and excellent cycle life characteristics can be obtained.

    摘要翻译: 本发明提供一种非水电解质二次电池,其在带电阶段中使用含有碱金属的碳化物作为负极活性物质。 所使用的碳化物是离子键型碳化物,共价键型碳化物或金属间化合物型碳化物。 离子键型碳化物示例为Na 2 C 2,K 2 C 2,Cu 2 C 2,VC 2等。 共价键式碳化物例如为Cr 4 C等。 作为Mn3C,Mn23C6,Mn7C3,Fe2C,FeC,Ni3C等,可列举出金属间化合物型碳化物。 可以获得具有高能量密度和优异的循环寿命特性的高度可靠的非水电解质二次电池。

    Non-aqueous electrolyte secondary battery
    6.
    发明授权
    Non-aqueous electrolyte secondary battery 失效
    非水电解质二次电池

    公开(公告)号:US6150053A

    公开(公告)日:2000-11-21

    申请号:US86844

    申请日:1998-05-29

    摘要: A non-aqueous electrolyte secondary battery is disclosed, which hardly causes deterioration of its properties at high temperatures. The battery has a chargeable and dischargeable cathode, a chargeable and dischargeable anode, and a non-aqueous electrolyte and includes a substance which produces water with an increase in temperature in any one of the cathode, the anode, the non-aqueous electrolyte, other elements, and voids in the battery. Examples of the substance which produces water include hydroxides and compounds having water of crystallization.

    摘要翻译: 公开了一种非水电解质二次电池,其在高温下几乎不引起其性能的劣化。 电池具有可充放电的阴极,可充电和可放电的阳极和非水电解质,并且包括在阴极,阳极,非水电解质,其它任何一个中产生水的温度升高的物质 元件和电池中的空隙。 产生水的物质的实例包括氢氧化物和具有结晶水的化合物。

    Process for producing a negative electrode for a storage battery with a
non-aqueous electrolyte
    9.
    发明授权
    Process for producing a negative electrode for a storage battery with a non-aqueous electrolyte 失效
    用于制造具有非水电解质的蓄电池用负极的方法

    公开(公告)号:US5580538A

    公开(公告)日:1996-12-03

    申请号:US306248

    申请日:1994-09-14

    摘要: A process of making a negative electrode for a storage battery including a positive electrode capable of being reversibly charged and discharged, a nonaqueous electrolyte containing lithium salt, and a negative electrode is provided. The negative electrode is made of an inorganic carbon material which has an improved surface having a specific surface area sufficiently large enough to store the largest possible amount of lithium ions therein to provide the largest possible charge and discharge capacitances for the storage battery. The electrode is made by adding an acid to an inorganic carbon containing material to form a mixture, heating the mixture for at least 10 hours to obtain a carbon material having a specific surface area of more than 8.0 m.sup.2 /g and forming the electrode using the carbon material.

    摘要翻译: 提供了一种制造用于蓄电池的负极的方法,该蓄电池包括能够被可逆地充电和排出的正极,含有锂盐的非水电解质和负极。 该负极由无机碳材料制成,该无机碳材料的表面积比表面积足够大,足以在其中存储最大量的锂离子,从而为蓄电池提供最大可能的充放电电容。 该电极是通过向含有无机碳的材料中加入酸形成混合物而制成的,将混合物加热至少10小时,得到比表面积大于8.0m 2 / g的碳材料,并使用 碳材料。