Process for producing lithium-containing composite oxide for positive electrode for lithium secondary battery
    23.
    发明申请
    Process for producing lithium-containing composite oxide for positive electrode for lithium secondary battery 有权
    锂二次电池用正极用锂复合氧化物的制造方法

    公开(公告)号:US20060210879A1

    公开(公告)日:2006-09-21

    申请号:US11365617

    申请日:2006-03-02

    摘要: A lithium-containing composite oxide for a positive electrode for a lithium secondary battery is prepared by formulating a powder mixture by impregnating an N element source powder having an average particle size (D50) ranging from 2 to 20 μm with an aqueous solution of a carboxylic acid having a total of two or more carboxylic acid groups or carboxylic acid groups and hydroxyl groups in its molecule, and optionally, containing an M element, or its salt, and then drying the material obtained; and firing the N element powder material in admixture with a lithium source, optionally, an M element source and a fluorine source, at a temperature ranging from 700° C. to 1050° C. in an oxygen-containing atmosphere, thereby obtaining a lithium-containing composite oxide having the formula LipNxMyOzFa, wherein N is at least one element selected from the group consisting of Co, Mn and Ni, M is at least one element selected from the group consisting of Sn, Zn, Al, alkaline earth metal elements, and transition metal elements other than N, 0.9≦p≦1.1, 0.97≦x≦1.00, 0

    摘要翻译: 通过将平均粒度(D50)为2〜20μm的N元素源粉末与羧酸的水溶液浸渍,配制粉末混合物,制备锂二次电池用正极用锂复合氧化物 在其分子中具有总共两个以上的羧酸基团或羧酸基团和羟基的酸,并且任选地含有M元素或其盐,然后干燥获得的材料; 在含氧气氛中,在700℃〜1050℃的温度下,将N元素粉末材料与可选择的M元素源和氟源的锂源混合,从而得到锂 含有式的复合氧化物,其具有下式:其中R 1,R 2,R 3, SUB>,其中N是选自Co,Mn和Ni中的至少一种元素,M是选自Sn,Zn,Al,碱土金属元素和过渡金属元素中的至少一种元素,其他 比N = 0.9 <= p <= 1.1,0.97 <= x <= 1.00,0

    Process for producing lithium-containing composite oxide for positive electrode for lithium secondary battery
    26.
    发明授权
    Process for producing lithium-containing composite oxide for positive electrode for lithium secondary battery 有权
    锂二次电池用正极用锂复合氧化物的制造方法

    公开(公告)号:US07481991B2

    公开(公告)日:2009-01-27

    申请号:US11365617

    申请日:2006-03-02

    IPC分类号: C01D1/02 H01M4/50 H01M4/52

    摘要: A process to produce a positive electrode active material for a lithium secondary battery, having a large volume capacity density and high safety, uniform coating properties, charge and discharge cyclic durability and low temperature characteristics even at a high charge voltage is disclosed.The positive electrode active material is a lithium-containing composite oxide represented by the formula LipNxMyOzFa, wherein N is at least one element selected from the group consisting of Co, Mn and Ni, M is at least one element selected from the group consisting of Sn, Zn, Al, alkaline earth metal elements, and transition metal elements other than the N element, O.9≦p≦l.1, 0.97≦x≦l.00, 0≦y≦0.03, 1.9≦z≦2.1, x+y=1 and 0≦a≦0.02. The N element source powder having an average particle size of from 2 to 20 μm, is impregnated with the M element salt aqueous solution, and the prepared dry powder comprising the N element, M element, a lithium source and optionally a fluorine source is fired at from 700 to 1 ,050° C. in an oxygen-containing atmosphere.

    摘要翻译: 公开了一种生产锂二次电池用正极活性物质的方法,其即使在高充电电压下也具有体积容量密度大,安全性高,涂布性能均匀,充放电循环耐久性和低温特性。 正极活性物质是由式LiNxMyOzFa表示的含锂复合氧化物,其中N是选自Co,Mn和Ni中的至少一种元素,M是选自Sn中的至少一种元素 ,Zn,Al,碱土金属元素和除N元素以外的过渡金属元素,O.9 <= p <=1.1,0.97≤x≤1.00,0≤y≤0.03, 1.9 <= z <= 2.1,x + y = 1,0 <= a <= 0.02。 用M元素盐水溶液浸渍平均粒径为2〜20μm的N元素源粉末,烧成含有N元素,M元素,锂源和任选的氟源的干燥粉末 在含氧气氛中700至1050℃。

    POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD FOR PRODUCING SAME
    27.
    发明申请
    POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD FOR PRODUCING SAME 审中-公开
    用于锂二次电池的正极电极活性材料及其制造方法

    公开(公告)号:US20070117014A1

    公开(公告)日:2007-05-24

    申请号:US11625060

    申请日:2007-01-19

    摘要: It is to provide a cathode active material for a lithium ion secondary battery, which has high safety, a high discharge voltage, a large capacity and excellent cyclic durability, and a process for producing it. A cathode active material for a lithium secondary battery, characterized by comprising a particulate lithium cobalt composite oxide represented by the formula LiaCobAlcMgdAeOfFg  (1) (wherein A is Ti, Nb or Ta, O.90≦a≦1.10, 0.97≦b≦1.00, 0.000l≦c≦0.02, 0.000l≦d≦0.02, 0.000l≦e≦0.01, 1.98≦f≦2.02, 0≦g≦0.02, and 0.0003≦c+d+e≦0.03).

    摘要翻译: 提供一种具有高安全性,高放电电压,大容量,优异的循环耐久性的锂离子二次电池用正极活性物质及其制造方法。 一种用于锂二次电池的正极活性材料,其特征在于包括由式<?in-line-formula description =“In-line Formulas”end =“lead”→> Li表示的颗粒状锂钴复合氧化物 >>>> F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F (1)<?in-line-formula description =“In-line Formulas”end =“tail”?>(其中A是Ti,Nb或Ta,O.90 <= a < = 1.10,0.97 <= b <= 1.00,0.0001 <= c <= 0.02,0.000l <= d <= 0.02,0.000l <= e <= 0.01,1.98 <= f <= 2.02,0 <= g <= 0.02,并且0.0003 <= c + d + e <= 0.03)。

    Electric double layer capacitor
    29.
    发明授权
    Electric double layer capacitor 失效
    双电层电容器

    公开(公告)号:US5953204A

    公开(公告)日:1999-09-14

    申请号:US574314

    申请日:1995-12-18

    摘要: An electric double layer capacitor is provided that includes a positive electrode having a currect collector combined with a polarizable electrode material composed mainly of activated carbon, a negative electrode having a current collector of porous metal incapable of forming an alloy with lithium, combined with a carbonaceous material having lithium ions occluded by a chemical method or an electrochemical method to a carbon material capable of occluding and releasing a lithium ions, and a nonaqueous electrolyte containing a lithium salt. The negative electrode is supported on a current collector of porous metal having a thickness of 0.1 to 1 mm and a porosity of 5 to 80%.

    摘要翻译: 提供一种双电层电容器,其包括正极,其具有与主要由活性炭组成的可极化电极材料组合的卷曲收集器,具有不能与锂形成合金的多孔金属的集电体的负极,与碳质合金 将锂离子通过化学方法或电化学方法吸留到能够吸留和释放锂离子的碳材料的材料,以及含有锂盐的非水电解质。 负极被负载在多孔金属的集电体上,厚度为0.1〜1mm,孔隙率为5〜80%。

    Method for manufacturing large-capacity electric double-layer capacitor
    30.
    发明授权
    Method for manufacturing large-capacity electric double-layer capacitor 失效
    制造大容量双电层电容器的方法

    公开(公告)号:US06379402B1

    公开(公告)日:2002-04-30

    申请号:US09554323

    申请日:2000-05-12

    IPC分类号: H01L900

    摘要: This relates to a process for producing an electric double layer capacitor having a low resistance and a large capacitance of at least 10F, and it is an object to provide a process for producing a large capacitance electric double layer capacitor showing little self-discharge, little deterioration with time of the capacitance or little deformation of the cell. The above object is accomplished by forming an element by disposing a positive electrode and a negative electrode made mainly of a carbon material having a specific surface area of at least 500 m2/g to face each other with a separator interposed, impregnating it with a non-aqueous electrolyte, applying a voltage of from 1 to 1.5 times the rated voltage in a non-sealed state, further maintaining the element under reduced pressure and sealing a container accommodating the element.

    摘要翻译: 这涉及一种具有低电阻和大电容至少为10°F的双电层电容器的制造方法,其目的是提供一种生产大容量双电层电容器的方法,该电容器几乎没有自放电 随着电容的时间变小或电池变形小。 上述目的是通过将主要由具有至少500m 2 / g比表面积的碳材料制成的正极和负极隔着隔板相互隔开来形成元件来实现的, - 在非密封状态下施加1至1.5倍额定电压的电压,进一步将元件保持在减压下并密封容纳元件的容器。