公开(公告)号：US08221917B2

公开(公告)日：2012-07-17

申请号：US12591057

申请日：2009-11-05

申请人： Dai-Hoe Lee ,  Takaya Saito ,  Hyun-Ki Jung ,  Min-Hee Kim

发明人： Dai-Hoe Lee ,  Takaya Saito ,  Hyun-Ki Jung ,  Min-Hee Kim

IPC分类号： H01M4/52 ,  H01M4/50 ,  H01M4/48

CPC分类号： H01M4/48 ,  H01M4/02 ,  H01M4/483 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/60 ,  H01M4/62 ,  H01M10/0431

摘要： A positive active material composition for a rechargeable battery, a positive electrode including the same, and a rechargeable battery including the same, the positive active material composition including a positive active material and a surface-modified metal oxide.

摘要翻译： 用于可再充电电池的正极活性材料组合物，包含该正极活性材料组合物的正极和包含该正极活性材料组合物的正极活性材料组合物包括正极活性材料和表面改性的金属氧化物。

公开(公告)号：US20110281165A1

公开(公告)日：2011-11-17

申请号：US13191148

申请日：2011-07-26

申请人： Atsushi UEDA ,  Shoichiro WATANABE ,  Takeshi YAO ,  Takashi TAKEUCHI ,  Takayuki SHIRANE ,  Takaya SAITO ,  Hiromi NAGATA

发明人： Atsushi UEDA ,  Shoichiro WATANABE ,  Takeshi YAO ,  Takashi TAKEUCHI ,  Takayuki SHIRANE ,  Takaya SAITO ,  Hiromi NAGATA

IPC分类号： H01M4/131 ,  H01M4/52 ,  H01M4/50 ,  H01M10/052 ,  H01M4/134

CPC分类号： H01M10/0566 ,  H01M4/131 ,  H01M4/133 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/44 ,  H01M10/448 ,  H01M2010/4292

摘要： A non-aqueous electrolyte secondary battery includes a positive electrode that contains a lithium composite oxide as an active material. The cut-off voltage of charge is set to 4.25 to 4.5 V. In a region where the positive electrode and the negative electrode face each other, the Wp/Wn ratio R is in the range from 1.3 to 19 where Wp is the weight of the active material contained in the positive electrode per unit area and Wn is the weight of the active material contained in the negative electrode per unit area. This battery is excellent in safety, cycle characteristics, and storage characteristics even when the cut-off voltage of charge in a normal operating condition is set to 4.25 V or more.

摘要翻译： 非水电解质二次电池包括含有作为活性物质的锂复合氧化物的正极。 电荷截止电压设定为4.25〜4.5V。在正极和负极彼此面对的区域中，Wp / Wn比R在1.3〜19的范围内，Wp为 包含在每单位面积的正极中的活性物质，Wn是单位面积中负极中含有的活性物质的重量。 即使正常工作状态下的充电截止电压设定为4.25V以上，该电池的安全性，循环特性，存储特性也优异。

公开(公告)号：US20110104561A1

公开(公告)日：2011-05-05

申请号：US12713144

申请日：2010-02-25

申请人： Min-Hee Kim ,  Takaya Saito

发明人： Min-Hee Kim ,  Takaya Saito

IPC分类号： H01M2/02

CPC分类号： H01M2/1673 ,  H01M10/0431 ,  H01M10/052 ,  H01M10/0587 ,  H01M10/4235 ,  Y02T10/7011

摘要： A rechargeable battery includes an electrode assembly including a positive electrode including a positive current collector, a positive active material on the positive current collector in a positive coating region, and a positive uncoated region in which the positive active material is not on the positive current collector at a first side of the electrode assembly; a negative electrode including a negative current collector, a negative active material on the negative current collector in a negative coating region, a first negative uncoated region in which the negative active material is not on the negative current collector at the first side of the electrode assembly, and a second negative uncoated region in which the negative active material is not on the negative current collector at a second side of the electrode assembly opposite the first side; and a separator between the positive electrode and the negative electrode.

摘要翻译： 可充电电池包括电极组件，其包括正电极，其包括正极集电体，正极集电体上的正极活性材料在正极涂覆区域中，正极未涂覆区域，其中正极活性材料不在正极集电体上 在电极组件的第一侧; 包含负极集电体的负极，负极集电体中的负极活性物质，负极未涂覆区域，负极活性物质不在电极体的第一侧的负极集电体上 以及第二负的未涂覆区域，其中所述负极活性材料在所述电极组件的与所述第一侧相对的第二侧处不在所述负极集电体上; 以及正极和负极之间的隔板。

公开(公告)号：US20070054191A1

公开(公告)日：2007-03-08

申请号：US11513234

申请日：2006-08-31

申请人： Takayuki Shirane ,  Takashi Takeuchi ,  Takaya Saito ,  Atsushi Ueda

发明人： Takayuki Shirane ,  Takashi Takeuchi ,  Takaya Saito ,  Atsushi Ueda

IPC分类号： H01M4/52 ,  H01M4/50

CPC分类号： H01M4/525 ,  H01M4/364 ,  H01M4/505 ,  H01M10/44 ,  H01M2004/028

摘要： A non-aqueous electrolyte secondary battery including a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, a separator and a non-aqueous electrolyte, wherein the positive electrode active material includes a nickel-containing composite oxide represented by the following formula (1): Lid(NiaMnbCo1−a−b)1−cLcO2,where 0.1≦a≦0.5, 0.2≦b≦0.4, 0.003

摘要翻译： 一种非水电解质二次电池，包括含有正极活性物质的正极，含有负极活性物质的负极，隔膜和非水电解质，其中，所述正极活性物质包含含镍复合氧化物 由下式（1）表示：<？in-line-formula description =“In-line Formulas”end =“lead”？？？？？？？？？？？？ C 1 -C 12烷基，C 1 -C 12烷基，C 1 -C 6烷基， <？in-line-formula description =“In-line Formulas”end =“tail”？>其中0.1 <= a <= 0.5,0.2 <= b <= 0.4,0.003

公开(公告)号：US09023530B2

公开(公告)日：2015-05-05

申请号：US11371286

申请日：2006-03-09

申请人： Takaya Saito ,  Yasutaka Kogetsu ,  Takashi Takeuchi ,  Hidekazu Hiratsuka

发明人： Takaya Saito ,  Yasutaka Kogetsu ,  Takashi Takeuchi ,  Hidekazu Hiratsuka

IPC分类号： H01M4/13 ,  H01M4/58 ,  H01M4/00 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0587 ,  H01M4/02

CPC分类号： H01M4/131 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0587 ,  H01M2004/021 ,  H01M2004/028 ,  Y02E60/122

摘要： To improve high temperature storage characteristic of a non-aqueous electrolyte secondary battery suitable for high input/output application, the structure of a positive electrode active material is optimized. The non-aqueous electrolyte secondary battery includes a positive electrode; a negative electrode; a separator interposed between the positive and negative electrodes; and a non-aqueous electrolyte. The positive electrode active material includes secondary particles, each formed of an aggregate of primary particles. A value (VPr) defined by the formula: VPr=(1−C/D)/(A2×B3) is not less than 0.0005 and not greater than 0.04, where an average particle size of the primary particles is A μm, an average particle size of the positive electrode active material is B μm, a tap density of the positive electrode active material is C g/ml, and a true specific gravity of the positive electrode active material is D g/ml.

摘要翻译： 为了提高适用于高输入/输出应用的非水电解质二次电池的高温储存特性，优化了正极活性物质的结构。 非水电解质二次电池包括正极; 负极; 插入在正极和负极之间的隔膜; 和非水电解质。 正极活性物质包括由一次粒子的聚集体形成的二次粒子。 由VPr =（1-C / D）/（A2×B3）定义的值（VPr）不小于0.0005且不大于0.04，其中初级粒子的平均粒径为Aμm， 正极活性物质的平均粒径为Bμm，正极活性物质的振实密度为C g / ml，正极活性物质的真比例为D g / ml。

公开(公告)号：US08574752B2

公开(公告)日：2013-11-05

申请号：US12713144

申请日：2010-02-25

申请人： Min-Hee Kim ,  Takaya Saito

发明人： Min-Hee Kim ,  Takaya Saito

IPC分类号： H01M2/02 ,  H01M2/18

CPC分类号： H01M2/1673 ,  H01M10/0431 ,  H01M10/052 ,  H01M10/0587 ,  H01M10/4235 ,  Y02T10/7011

摘要： A rechargeable battery includes an electrode assembly including a positive electrode including a positive current collector, a positive active material on the positive current collector in a positive coating region, and a positive uncoated region in which the positive active material is not on the positive current collector at a first side of the electrode assembly; a negative electrode including a negative current collector, a negative active material on the negative current collector in a negative coating region, a first negative uncoated region in which the negative active material is not on the negative current collector at the first side of the electrode assembly, and a second negative uncoated region in which the negative active material is not on the negative current collector at a second side of the electrode assembly opposite the first side; and a separator between the positive electrode and the negative electrode.

摘要翻译： 可充电电池包括电极组件，其包括正电极，其包括正极集电体，正极集电体上的正极活性材料在正极涂覆区域中，正极未涂覆区域，其中正极活性材料不在正极集电体上 在电极组件的第一侧; 包含负极集电体的负极，负极集电体中的负极活性物质，负极未涂覆区域，负极活性物质不在电极体的第一侧的负极集电体上 以及第二负的未涂覆区域，其中所述负极活性材料在所述电极组件的与所述第一侧相对的第二侧处不在所述负极集电体上; 以及正极和负极之间的隔板。

公开(公告)号：US20080118837A1

公开(公告)日：2008-05-22

申请号：US11795801

申请日：2005-03-23

申请人： Takayuki Shirane ,  Takashi Takeuchi ,  Takaya Saito

发明人： Takayuki Shirane ,  Takashi Takeuchi ,  Takaya Saito

IPC分类号： H01M4/52 ,  H01M4/58

CPC分类号： H01M4/131 ,  H01M4/485 ,  H01M4/525 ,  H01M4/587 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/4235 ,  H01M2010/4292

摘要： Disclosed is a non-aqueous electrolyte secondary battery comprising a positive electrode containing a nickel-containing lithium composite oxide, a negative electrode containing graphite, and a non-aqueous electrolyte. The cut-off voltage of charge of this non-aqueous electrolyte secondary battery is 4.25 to 4.6 V. The negative electrode contains an additive that reacts with lithium at a potential higher than the potential of graphite. The ratio A/B of a positive electrode capacity A based on the weight of the nickel-containing lithium composite oxide and the cut-off voltage of charge relative to a weight B of the graphite contained in a portion of a negative electrode material mixture layer opposing to a positive electrode material mixture layer is 300 to 340 mAh/g, and the irreversible capacity C of the positive electrode and the irreversible capacity D of the negative electrode in the portion opposing to the positive electrode satisfies C≧D.

摘要翻译： 公开了一种非水电解质二次电池，其包含含有镍的锂复合氧化物的正极，含有石墨的负极和非水电解质。 该非水电解质二次电池的电荷截止电压为4.25〜4.6V。负极含有与石墨的电位高的电位与锂反应的添加剂。 基于含镍锂复合氧化物的重量的正极容量A的比A / B和电荷相对于负极材料混合层的一部分中所含的石墨的重量B的截止电压 与正极合剂层相对的面积为300〜340mAh / g，正极的不可逆容量C和负极的与正极相反的部分的不可逆容量D满足C> = D。

公开(公告)号：US20060204849A1

公开(公告)日：2006-09-14

申请号：US11371286

申请日：2006-03-09

申请人： Takaya Saito ,  Yasutaka Kogetsu ,  Takashi Takeuchi ,  Hidekazu Hiratsuka

发明人： Takaya Saito ,  Yasutaka Kogetsu ,  Takashi Takeuchi ,  Hidekazu Hiratsuka

IPC分类号： H01M4/48 ,  H01M4/52 ,  H01M4/50

CPC分类号： H01M4/131 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0587 ,  H01M2004/021 ,  H01M2004/028 ,  Y02E60/122

摘要： To improve high temperature storage characteristic of a non-aqueous electrolyte secondary battery suitable for high input/output application, the structure of a positive electrode active material is optimized. The non-aqueous electrolyte secondary battery includes a positive electrode; a negative electrode; a separator interposed between the positive and negative electrodes; and a non-aqueous electrolyte. The positive electrode active material includes secondary particles, each formed of an aggregate of primary particles. A value (VPr) defined by the formula: VPr=(1−C/D)/(A2×B3) is not less than 0.0005 and not greater than 0.04, where an average particle size of the primary particles is A μm, an average particle size of the positive electrode active material is B μm, a tap density of the positive electrode active material is C g/ml, and a true specific gravity of the positive electrode active material is D g/ml.

摘要翻译： 为了提高适用于高输入/输出应用的非水电解质二次电池的高温储存特性，优化了正极活性物质的结构。 非水电解质二次电池包括正极; 负极; 插入在正极和负极之间的隔膜; 和非水电解质。 正极活性物质包括由一次粒子的聚集体形成的二次粒子。 由以下公式定义的值（V Pr Pr Pr> Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 3）不小于0.0005且不大于0.04，其中一次颗粒的平均粒径为A mum，正极活性物质的平均粒径为B mum，振实密度为正 电极活性物质为C g / ml，正极活性物质的真比重为D g / ml。

公开(公告)号：US20090142663A1

公开(公告)日：2009-06-04

申请号：US11885456

申请日：2006-07-19

申请人： Takashi Takeuchi ,  Takaya Saito ,  Takayuki Shirane ,  Atsushi Ueda

发明人： Takashi Takeuchi ,  Takaya Saito ,  Takayuki Shirane ,  Atsushi Ueda

IPC分类号： H01M10/40

CPC分类号： H01M10/0567 ,  H01M4/505 ,  H01M4/525 ,  Y10T29/49108

摘要： A nonaqueous electrolyte secondary battery, comprising a positive electrode containing a transition metal-containing composite oxide as a positive electrode active material, a negative electrode containing a negative electrode active material allowing reversible insertion and extraction of lithium, a separator, and a nonaqueous electrolyte solution, wherein the nonaqueous electrolyte solution contains at least one additive (A) selected from the group consisting of ethylene sulfite, propylene sulfite, and propane sultone and at least one additive (B) selected from the group consisting of maleic anhydride, vinylene carbonate, vinylethylene carbonate, and LiBF4; and an end voltage of charge is 4.3 to 4.5 V.

摘要翻译： 一种非水电解质二次电池，包括含有过渡金属的复合氧化物作为正极活性物质的正极，含有允许锂的可逆插入和提取的负极活性物质的负极，隔膜和非水电解质溶液 其中所述非水电解质溶液含有至少一种选自亚硫酸亚乙酯，亚硫酸亚丙酯和丙磺​​酸内酯的添加剂（A）和至少一种选自马来酸酐，碳酸亚乙烯酯，乙烯基乙烯的添加剂（B） 碳酸盐和LiBF4; 电荷的终止电压为4.3〜4.5V。

公开(公告)号：US07410511B2

公开(公告)日：2008-08-12

申请号：US10636642

申请日：2003-08-08

申请人： Yoshiyuki Ozaki ,  Yasutaka Kogetsu ,  Takaya Saito ,  Hidekazu Hiratsuka

发明人： Yoshiyuki Ozaki ,  Yasutaka Kogetsu ,  Takaya Saito ,  Hidekazu Hiratsuka

IPC分类号： H01M6/14 ,  H01M4/52

CPC分类号： C01G53/42 ,  C01P2002/20 ,  C01P2002/52 ,  C01P2004/03 ,  C01P2004/32 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/0471 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/525 ,  Y10T29/49108

摘要： A positive electrode active material, which gives a non-aqueous electrolyte secondary battery capable of high input/output where resistance due to a battery reaction in a low temperature environment is suppressed, is produced by a method comprising: (a)providing a nickel hydroxide which is represented by the general formula Ni1−(x+y)CoxMy(OH)2, (b)heating the nickel hydroxide at a temperature not lower than 600° C. and not higher than 1000° C. to produce a nickel oxide which is represented by the general formula Ni1−(x+y)CoxMyO; and (c)mixing the nickel oxide and a lithium compound to obtain a mixture and heating the mixture at a temperature not lower than 700° C. and not higher than 850° C. to produce a lithium-containing composite oxide which is represented by the general formula LiNi1−(x+y)CoxMyO2, where 0.1≦x≦0.35 and 0.03≦y≦0.2 are satisfied and M is at least one selected from the group consisting of Al, Ti and Sn.

摘要翻译： 通过以下方法制造正极活性物质，该正极活性物质通过以下方法制备能够抑制由于电池反应在低温环境中引起的电阻而具有高输入/输出能力的非水电解质二次电池：（a）提供氢氧化镍 其由下列通式表示：Ni 1 - （x + y）2（x）y（x）y（OH）2＆lt; >，（b）在不低于600℃且不高于1000℃的温度下加热氢氧化镍以产生由通式Ni 1-（x + y）表示的氧化镍， Co x;;;;;;;;;;;;;;;;;;;;;;;;;;;;; 和（c）将氧化镍和锂化合物混合以获得混合物，并在不低于700℃且不高于850℃的温度下加热该混合物，以制备由下式表示的含锂复合氧化物： 通式为LiNi 1 - （x + y）2 O x O 2 O 2，其中0.1 <= x <= 0.35和0.03 <= y <= 0.2，M为选自Al，Ti和Sn中的至少一种。