Lithium secondary battery
    1.
    发明授权
    Lithium secondary battery 有权
    锂二次电池

    公开(公告)号:US07651815B2

    公开(公告)日:2010-01-26

    申请号:US10247511

    申请日:2002-09-20

    IPC分类号: H01M4/60 H01M6/16

    摘要: A lithium secondary battery comprising positive and negative electrodes both capable of occluding and releasing lithium ions, and a lithium ion conductive material which contains a compound of formula (1) exhibits improved characteristics including charge/discharge efficiency, low-temperature properties and cycle performance when (a) only one substituent group of R1, R2, R3 and R4 in formula (1) is alkyl, (b) the negative electrode-constituting material partially contains a carboxyl or hydroxyl group-bearing compound, and the lithium ion conductive material contains propylene carbonate, or (c) a positive electrode active material is a lithium-containing transition metal compound, a negative electrode active material is a carbonaceous material, and the lithium ion conductive material contains as a non-aqueous electrolysis solution a solvent mixture of propylene carbonate and ethylene carbonate in combination with a chain-like carbonate as a low-viscosity solvent

    摘要翻译: 包含能够吸留和释放锂离子的正极和负极的锂二次电池和含有式(1)化合物的锂离子传导性材料具有包括充放电效率,低温性能和循环性能在内的改善的特性, (a)式(1)中R1,R2,R3和R4只有一个取代基是烷基,(b)负极构成材料部分含羧基或含羟基化合物,锂离子导电材料含 碳酸丙烯酯,或(c)正极活性物质为含锂过渡金属化合物,负极活性物质为碳质材料,锂离子传导性材料含有作为非水电解液的丙烯的溶剂混合物 碳酸酯和碳酸亚乙酯与作为低粘度溶剂的链状碳酸酯组合

    Lithium secondary battery
    2.
    发明授权
    Lithium secondary battery 有权
    锂二次电池

    公开(公告)号:US07189478B2

    公开(公告)日:2007-03-13

    申请号:US10606749

    申请日:2003-06-27

    摘要: The invention aims to provide a lithium secondary battery exhibiting the improved function of self safety in an abnormal state without sacrificing battery characteristics. To attain the object, in a lithium secondary battery comprising a positive electrode (3a, 3b), a negative electrode (2a, 2b), an electrolytic solution, and a separator, a plurality of positive electrodes (3a, 3b) and negative electrodes (2a, 2b) are arranged to construct an electrode structure which includes an outermost layer of electrode on which a back coat layer (11) is formed.

    摘要翻译: 本发明的目的在于提供一种在不牺牲电池特性的情况下表现出异常状态下自身安全性改善的锂二次电池。 为了实现该目的,在包含正极(3a,3b),负极(2a,2b),电解液和隔膜的锂二次电池中,多个正极(3a, 3b)和负电极(2a,2b)被布置成构成电极结构,其包括形成有背涂层(11)的电极的最外层。

    Nonaqueous electrolyte solution and lithium ion secondary battery
    3.
    发明申请
    Nonaqueous electrolyte solution and lithium ion secondary battery 有权
    非水电解液和锂离子二次电池

    公开(公告)号:US20070015063A1

    公开(公告)日:2007-01-18

    申请号:US10558556

    申请日:2004-05-28

    IPC分类号: H01M10/40 H01M4/58

    摘要: A nonaqueous solvent in a nonaqueous electrolytic solution in a lithium-ion secondary battery 1 contains propylene carbonate (PC), a first compound expressed by formula (I), and a second compound expressed by formula (II). The content of PC in the nonaqueous solvent is at least 10 volume %. The content X [mass %] of the first compound and the content Y [mass %] of the second compound simultaneously satisfy the conditions represented by expressions (1) and (2) [2≦(X+Y)≦8 (1), 0.01≦(Y/X)≦0.30 (2)]. R1 to R6 in formula (I) indicate any of a hydrogen atom and hydrocarbon groups having a carbon number of 1 to 3, whereas R7 and R8 in formula (II) indicate any of a hydrogen atom and hydrocarbon groups having a carbon number of 1 to 3.

    摘要翻译: 锂离子二次电池1的非水电解液中的非水溶剂含有碳酸亚丙酯(PC),由式(I)表示的第一化合物和式(II)表示的第二化合物。 PC在非水溶剂中的含量为10体积%以上。 第一化合物的含量X [质量%]和第二化合物的含量Y [质量%]同时满足由式(1)和(2)表示的条件[2 <=(X + Y)<= 8( 1),0.01 <=(Y / X)<= 0.30(2)]。 式(I)中的R 1至R 6表示氢原子和碳原子数为1至3的烃基中的任一个,而R 7, 式(II)中的R S和R 8表示氢原子和碳数为1〜3的烃基中的任一个。

    Nonaqueous electrolytic solution and lithium-ion secondary battery
    4.
    发明授权
    Nonaqueous electrolytic solution and lithium-ion secondary battery 有权
    非水电解液和锂离子二次电池

    公开(公告)号:US07709155B2

    公开(公告)日:2010-05-04

    申请号:US10558556

    申请日:2004-05-28

    IPC分类号: H01M6/16 H01M4/58

    摘要: A nonaqueous solvent in a nonaqueous electrolytic solution in a lithium-ion secondary battery 1 contains propylene carbonate (PC), a first compound expressed by formula (I), and a second compound expressed by formula (II). The content of PC in the nonaqueous solvent is at least 10 volume %. The content X [mass %] of the first compound and the content Y [mass %] of the second compound simultaneously satisfy the conditions represented by expressions (1) and (2) [2≦(X+Y)≦8 (1), 0.01≦(Y/X)≦0.30 (2)]. R1 to R6 in formula (I) indicate any of a hydrogen atom and hydrocarbon groups having a carbon number of 1 to 3, whereas R7 and R8 in formula (II) indicate any of a hydrogen atom and hydrocarbon groups having a carbon number of 1 to 3.

    摘要翻译: 锂离子二次电池1的非水电解液中的非水溶剂含有碳酸亚丙酯(PC),由式(I)表示的第一化合物和式(II)表示的第二化合物。 PC在非水溶剂中的含量为10体积%以上。 第一化合物的含量X [质量%]和第二化合物的含量Y [质量%]同时满足由式(1)和(2)表示的条件[2&nlE;(X + Y)&nlE; 8 ),0.01&nlE;(Y / X)&nlE; 0.30(2)]。 式(I)中的R 1〜R 6表示碳数为1〜3的氢原子和烃基中的任一个,而式(II)中的R 7和R 8表示氢原子和碳数为1的烃基 到3。

    LITHIUM SECONDARY BATTERY
    5.
    发明申请
    LITHIUM SECONDARY BATTERY 有权
    锂二次电池

    公开(公告)号:US20080014497A1

    公开(公告)日:2008-01-17

    申请号:US11858142

    申请日:2007-09-20

    IPC分类号: H01M2/14

    摘要: A lithium secondary battery comprising positive and negative electrodes both capable of occluding and releasing lithium ions, and a lithium ion conductive material which contains a compound of formula (1) exhibits improved characteristics including charge/discharge efficiency, low-temperature properties and cycle performance when (a) only one substituent group of R1, R2, R3 and R4 in formula (1) is alkyl, (b) the negative electrode-constituting material partially contains a carboxyl or hydroxyl group-bearing compound, and the lithium ion conductive material contains propylene carbonate, or (c) a positive electrode active material is a lithium-containing transition metal compound, a negative electrode active material is a carbonaceous material, and the lithium ion conductive material contains as a non-aqueous electrolysis solution a solvent mixture of propylene carbonate and ethylene carbonate in combination with a chain-like carbonate as a low-viscosity solvent.

    摘要翻译: 包含能够吸留和释放锂离子的正极和负极的锂二次电池和含有式(1)化合物的锂离子传导性材料具有包括充放电效率,低温性能和循环性能在内的改善的特性, (a)式(1)中只有一个R 1,R 2,R 3,R 4和R 4的取代基 1)为烷基,(b)负极构成材料部分含有含羧基或含羟基的化合物,锂离子传导材料含有碳酸亚丙酯,或(c)正极活性物质为含锂过渡体 金属化合物,负极活性物质是碳质材料,锂离子传导性材料含有碳酸亚丙酯和碳酸亚乙酯与链状碳酸酯作为卤素的溶剂混合物的非水电解溶液 粘度溶剂。

    Lithium-ion secondary battery
    6.
    发明申请
    Lithium-ion secondary battery 审中-公开
    锂离子二次电池

    公开(公告)号:US20050186481A1

    公开(公告)日:2005-08-25

    申请号:US10990529

    申请日:2004-11-18

    摘要: A lithium-ion secondary battery 1 comprises an anode including a conductive anode active material containing layer containing an anode active material; a cathode including a conductive cathode active material containing layer containing a cathode active material; a nonaqueous electrolytic solution containing a lithium salt, propylene carbonate, and a linear carbonate; and a case accommodating the anode, cathode, and nonaqueous electrolytic solution in a closed state. The nonaqueous electrolytic solution further contains an additive satisfying the condition represented by expression (1): +0.9V≦(E2−E1)≦+2.5V, whereas the moisture content in the anode active material containing layer is regulated so as to satisfy the condition represented by expression (2): 40 ppm≦C1≦100 ppm. E1 is the standard electrode potential (V vs. SHE) of a redox pair Li/Li+, and E2 is the standard electrode potential (V vs. SHE) of a redox pair in the additive in expression (1); and Cl is the moisture content in 1 g of the material constituting the anode active material containing layer in expression (2).

    摘要翻译: 锂离子二次电池1包括:阳极,其包括含有负极活性物质的导电性负极活性物质含有层; 阴极,包括含有阴极活性物质的导电阴极活性物质含有层; 含有锂盐,碳酸亚丙酯和直链碳酸酯的非水电解液; 以及容纳阳极,阴极和非水电解液处于关闭状态的壳体。 非水电解液还含有满足式(1)表示的条件的添加剂:+ 0.9V <=(E2-E1)<= + 2.5V,而负极活性物质含有层中的含水量被调节为 满足由表达式(2)表示的条件:40ppm <= C1 <= 100ppm。 E1是氧化还原对Li / Li + SUP的标准电极电位(V对SHE),E2是表达式中添加剂中的氧化还原对的标准电极电位(V对SHE) (1); Cl为构成表达式(2)中的负极活性物质含有层的材料1g中的含水量。

    Lithium ion secondary battery
    8.
    发明申请
    Lithium ion secondary battery 有权
    锂离子二次电池

    公开(公告)号:US20070134556A1

    公开(公告)日:2007-06-14

    申请号:US11636581

    申请日:2006-12-11

    IPC分类号: H01M2/14 H01M4/66

    摘要: A lithium ion secondary battery, having a positive electrode, a negative electrode, and a separator provided between the positive electrode and the negative electrode, the positive electrode and the negative electrode each having a collector and an active material layer provided over the collector, and the relationship Ts≧4Tc being satisfied, where Ts is the puncture strength of the separator, and Tc is the puncture strength of the collector of the positive electrode and/or the negative electrode.

    摘要翻译: 在正极和负极之间具有正极,负极和隔板的锂离子二次电池,设置在集电体上的具有集电体和活性物质层的正极和负极,以及 满足Ts> = 4Tc的关系,其中Ts是隔板的穿刺强度,Tc是正极和/或负极的集电体的穿刺强度。

    Method of charging lithium ion secondary battery including a constant current, charging apparatus, and power supply apparatus
    9.
    发明授权
    Method of charging lithium ion secondary battery including a constant current, charging apparatus, and power supply apparatus 有权
    包括恒流的锂离子二次电池的充电方法,充电装置和电源装置

    公开(公告)号:US07583058B2

    公开(公告)日:2009-09-01

    申请号:US10986956

    申请日:2004-11-15

    IPC分类号: H02J7/00

    摘要: The method of charging a lithium ion secondary battery uses a lithium ion secondary battery comprising a positive electrode including a mixed metal oxide containing at least Li, Mn, and Ni as metal components as a positive electrode active material, a negative electrode, and a nonaqueous electrolytic solution containing a lithium salt; and includes a constant current charging step of carrying out constant current charging with a set charging current value I1 corresponding to a set value nC satisfying the condition represented by the expression of 2C≦nC≦60C, where C is a rated capacity value of the lithium ion secondary battery, and n is a number of 2 to 60.

    摘要翻译: 锂离子二次电池的充电方法使用包括含有至少含有Li,Mn和Ni的混合金属氧化物的正极作为金属成分的锂离子二次电池作为正极活性物质,负极和非水性 含有锂盐的电解液; 并且包括恒定电流充电步骤,该充电步骤以对应于设定值nC的设定充电电流值I1进行恒定电流充电,该设定值满足2C <= nC <= 60℃表示的条件,其中C是额定容量值 锂离子二次电池,n为2〜60的数。

    Lithium-ion secondary battery and method of charging lithium-ion secondary battery
    10.
    发明申请
    Lithium-ion secondary battery and method of charging lithium-ion secondary battery 有权
    锂离子二次电池及锂离子二次电池充电方法

    公开(公告)号:US20050233218A1

    公开(公告)日:2005-10-20

    申请号:US11066247

    申请日:2005-02-25

    摘要: A lithium-ion secondary battery device comprises a positive electrode collector having a surface formed with a positive electrode active material layer containing a positive electrode active material; a negative electrode collector having a surface formed with a negative electrode active material layer containing a negative electrode active material; an electrically insulating porous separator; and an electrolyte containing a lithium salt and being in contact with the positive electrode active material layer, negative electrode active material layer, and separator. The negative electrode active material is a carbon material having a graphite structure. The amount of the carbon material supported by the negative electrode active material layer is 2.0 to 4.0 mg/cm2. The graphite structure in an X-ray diffraction pattern of the carbon material exhibits a peak intensity P101 of (101) plane and a peak intensity P100 of (100) plane having a ratio (P101/P100) of 2.0 to 2.8 therebetween.

    摘要翻译: 锂离子二次电池装置包括正极集电体,其具有由含有正极活性物质的正极活性物质层形成的表面; 具有由含有负极活性物质的负极活性物质层形成的表面的负极集电体; 电绝缘多孔分离器; 以及包含锂盐并与正极活性物质层,负极活性物质层和隔膜接触的电解质。 负极活性物质是具有石墨结构的碳材料。 由负极活性物质层支撑的碳材料的量为2.0〜4.0mg / cm 2。 碳材料的X射线衍射图中的石墨结构表现出(101)面的峰强度P101和(100)面的峰值强度P100(P101 / P100)为2.0〜2.8。