Particulate positive electrode active material for a lithium secondary cell
    71.
    发明授权
    Particulate positive electrode active material for a lithium secondary cell 有权
    用于锂二次电池的微粒正极活性材料

    公开(公告)号:US07018741B2

    公开(公告)日:2006-03-28

    申请号:US10916391

    申请日:2004-08-12

    IPC分类号: H01M4/58

    摘要: A particulate positive electrode active material for a lithium secondary cell which satisfies high charge and discharge cyclic durability, high safety, high temperature storage properties, a high discharge average voltage, large current discharge properties, a high weight capacity density, a high volume capacity density, etc. in a well-balanced manner is provided. A particulate positive electrode active material for a lithium secondary cell, which is represented by the formula LipCoxMyOzFa (wherein M is at least one element selected from Groups 2 to 8, 13 and 14 of the Periodic Table, 0.9≦p≦1.1, 0.980≦x≦0.9999, 0.0001≦y≦0.02, 1.9≦z≦2.1, 0.9≦x+y≦1 and 0.0001≦a≦0.02), wherein fluorine atoms and element M are unevenly distributed on the particle surface, the atomic ratio of fluorine atoms to cobalt atoms (a/x) is from 0.0001 to 0.02, and in powder X-ray diffraction using CuKα-ray, the half value width of the angle of diffraction on (110) plane is from 0.06 to 0.13°, and the half value width of the angle of diffraction on (003) plane is from 0.05 to 0.12°.

    摘要翻译: 一种满足高充放电循环耐久性,高安全性,高温保存性,高放电平均电压,大电流放电特性,高重量容量密度,高体积容量密度的锂二次电池用微粒正极活性物质 等等。 一种用于锂二次电池的颗粒状正极活性物质,其由下式表示:其中R 1,R 2,R 2, (其中M是选自周期表第2至8,13和14族中的至少一种元素,0.9 <= p <= 1.1,0.980 <= x <= 0.9999,0.0001 <= y <= 0.02,1.9 <= z <= 2.1,0.9 <= x + y <= 1和0.0001 <= a <= 0.02),其中氟原子和元素M不均匀地分布在颗粒表面 ,氟原子与钴原子的原子比(a / x)为0.0001〜0.02,在使用CuKα射线的粉末X射线衍射中,(110)面的衍射角的半值宽度为0.06 至0.13°,(003)面上的衍射角的半值宽度为0.05〜0.12°。

    Positive electrode active material powder for lithium secondary battery
    73.
    发明申请
    Positive electrode active material powder for lithium secondary battery 有权
    锂二次电池用正极活性物质粉末

    公开(公告)号:US20050271944A1

    公开(公告)日:2005-12-08

    申请号:US11150451

    申请日:2005-06-13

    摘要: To provide a lithium-nickel-cobalt-manganese composite oxide powder for a positive electrode of a lithium secondary battery, which has a large volume capacity density and high safety and is excellent in the charge and discharge cyclic durability. A positive electrode active material powder for a lithium secondary battery characterized by comprising a first granular powder having a compression breaking strength of at least 50 MPa and a second granular powder having a compression breaking strength of less than 40 MPa, formed by agglomeration of many fine particles of a lithium composite oxide represented by the formula LipNixCoyMnzMqO2-aFa (wherein M is a transition metal element other than Ni, Co and Mn, Al or an alkaline earth metal element, 0.9≦p≦1.1, 0.2≦x≦0.8, 0≦x≦0.4, 0≦z≦0.5, y+z>0, 0≦q≦0.05, 1.9≦2−a≦2.1, x+y+z+q=1, and 0≦a≦0.02) to have an average particle size D50 of from 3 to 15 μm, in a weight ratio of the first granular powder/the second granular powder being from 50/50 to 90/10.

    摘要翻译: 为了提供一种锂二次电池的正极用锂镍钴锰复合氧化物粉末,其具有大容量密度和高安全性,并且充放电循环耐久性优异。 一种锂二次电池用正极活性物质粉末,其特征在于,具有压缩断裂强度为50MPa以上的第一粒状粉末和压缩断裂强度小于40MPa的第二粒状粉末,其特征在于, 由下式表示的锂复合氧化物的颗粒:由下式表示的锂复合氧化物颗粒:Mn x Mn x Mn (其中M是不同于Ni,Co和Mn,Al或碱土金属元素的过渡金属元素,0.9 <= p <= 1.1,0.2 <= x <= 0.8,0 <= x <= 0.4,0 <= z <= 0.5,y + z> 0,0 <= q <= 0.05,1.9 <= 2- a = 2.1,x + y + z + q = 1,0 <= a <= 0.02),平均粒径D50为3〜15μm,以第1粒状粉末/ 粒状粉末为50/50至90/10。

    Electric double-layer capacitor
    75.
    发明授权
    Electric double-layer capacitor 失效
    双电层电容器

    公开(公告)号:US06898067B1

    公开(公告)日:2005-05-24

    申请号:US09674279

    申请日:1999-09-13

    CPC分类号: H01G9/155 H01G9/02 Y02E60/13

    摘要: An electric double layer capacitor which has a low internal resistance and a large capacitance per unit volume and which is excellent in the voltage retention property, is provided.In a non-aqueous type electric double layer capacitor having a separator disposed between a positive electrode and a negative electrode made of carbonaceous electrodes, the separator comprises a sheet having a thickness of from 10 to 100 μm and a porosity of from 50 to 90% and a netted spacer having a thickness of from 10 to 100 mm, a numerical aperture of from 30 to 85% and an opening of from 50 to 350 mesh, laminated one on the other.

    摘要翻译: 提供了具有低内阻和每单位体积的大电容并且具有优异的电压保持性能的双电层电容器。 在具有设置在由碳质电极制成的正极和负极之间的隔膜的非水电双电层电容器中,隔板包括厚度为10至100μm,孔隙率为50至90%的片, 以及厚度为10〜100mm,数值孔径为30〜85%,开口为50〜350目的网状间隔件,层叠。

    Particulate positive electrode active material for a lithium secondary cell
    77.
    发明申请
    Particulate positive electrode active material for a lithium secondary cell 有权
    用于锂二次电池的微粒正极活性材料

    公开(公告)号:US20050019662A1

    公开(公告)日:2005-01-27

    申请号:US10916391

    申请日:2004-08-12

    摘要: A particulate positive electrode active material for a lithium secondary cell which satisfies high charge and discharge cyclic durability, high safety, high temperature storage properties, a high discharge average voltage, large current discharge properties, a high weight capacity density, a high volume capacity density, etc. in a well-balanced manner is provided. A particulate positive electrode active material for a lithium secondary cell, which is represented by the formula LipCoxMyOzFa (wherein M is at least one element selected from Groups 2 to 8, 13 and 14 of the Periodic Table, 0.9≦p≦1.1, 0.980≦x≦0.9999, 0.0001≦y≦0.02, 1.9≦z≦2.1, 0.9≦x+y≦1 and 0.0001≦a≦0.02), wherein fluorine atoms and element M are unevenly distributed on the particle surface, the atomic ratio of fluorine atoms to cobalt atoms (a/x) is from 0.0001 to 0.02, and in powder X-ray diffraction using CuKα-ray, the half value width of the angle of diffraction on (110) plane is from 0.06 to 0.13°, and the half value width of the angle of diffraction on (003) plane is from 0.05 to 0.12°.

    摘要翻译: 一种满足高充放电循环耐久性,高安全性,高温保存性,高放电平均电压,大电流放电特性,高重量容量密度,高体积容量密度的锂二次电池用微粒正极活性物质 等等。 一种用于锂二次电池的颗粒状正极活性物质,其由式LipCoxMyOzFa(其中M是选自周期表第2至8,13和14族中的至少一种元素,0.9 <= p <= 1.1, 0.980 <= x <= 0.9999,0.0001 <= y <= 0.02,1.9 <= z <= 2.1,0.9 <= x + y <= 1和0.0001 <= a <= 0.02),其中氟原子和元素M 不均匀分布在粒子表面,氟原子与钴原子的原子比(a / x)为0.0001〜0.02,在使用CuKalpha射线的粉末X射线衍射中,衍射角的半值宽度( 110)面为0.06〜0.13°,(003)面的衍射角的半值宽度为0.05〜0.12°。

    Electric double layer capacitor
    79.
    发明授权
    Electric double layer capacitor 失效
    双电层电容器

    公开(公告)号:US06728095B2

    公开(公告)日:2004-04-27

    申请号:US10024377

    申请日:2001-12-21

    IPC分类号: H01G9155

    摘要: An electric double layer capacitor including a positive electrode assembly and a negative electrode assembly, each electrode assembly having a porous layer including a carbonaceous powder and a fluorine-containing polymer formed on at least one side of an aluminum foil current collector, the positive electrode and the negative electrode being disposed so that the porous layer of the positive electrode assembly and the porous layer of the negative electrode assembly face each other with a separator interposed therebetween to form an element, the element being impregnated with a non-aqueous electrolyte and accommodated in a sealed container, wherein the thickness of the porous layer is from 80 to 200 &mgr;m, the thickness of the aluminum foil current collector is from 20 to 80 &mgr;m, the thickness of the separator is from 30 to 170 &mgr;m, and the density of the porous layer is from 0.50 to 0.80 g/cm3, wherein the capacitor has such a structure that a plurality of the positive electrode assemblies and the negative electrode assemblies are alternately laminated with a separator interposed therebetween, or strip positive electrode assemblies and negative electrode assemblies are wound with a separator interposed therebetween.

    摘要翻译: 一种包括正极组件和负极组件的双电层电容器,每个电极组件具有在铝箔集电体的至少一侧上形成的包含碳质粉末和含氟聚合物的多孔层,所述正极和 负极被配置成使得正极组件的多孔层和负极组件的多孔层彼此面对隔着隔板以形成元件,该元件浸渍有非水电解质并容纳在 密封容器,多孔层的厚度为80〜200μm,铝箔集电体的厚度为20〜80μm,隔板的厚度为30〜170μm,密度为 多孔层为0.50〜0.80g / cm 3,电容器具有多个正极组件 并且将负极组件交替地层叠有分离器,或者带状正极组件和负极组件之间夹有隔膜。