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公开(公告)号：US08715860B2
公开(公告)日：2014-05-06
申请号：US10568420
申请日：2005-02-14
CPC分类号： H01M4/70 , H01M4/136 , H01M4/5825 , H01M4/625 , H01M4/661 , H01M10/052 , H01M10/44 , Y02T10/7011
摘要： A non-aqueous battery with improved volume energy density and enhanced load characteristics is made available even when using olivine-type lithium phosphate as a positive electrode active material.The non-aqueous electrolyte battery of the present invention is provided with a positive electrode (1) containing lithium iron phosphate as a positive electrode active material, a negative electrode (2), and a non-aqueous electrolyte (4). In the positive electrode (1), a positive electrode active material-containing layer that is made of the positive electrode active material, a conductive agent, and a binder agent is formed on a positive electrode current collector. The positive electrode current collector has a thickness of less than 20 μm and its surface that is in contact with the positive electrode active material-containing layer has a mean surface roughness Ra of greater than 0.026.
摘要翻译： 即使使用橄榄石型磷酸锂作为正极活性物质，也可以获得体积能量密度提高和负荷特性提高的非水电池。 本发明的非水电解质电池设有含有磷酸铁锂作为正极活性物质的正极（1），负极（2）和非水电解质（4）。 在正极（1）中，在正极集电体上形成由正极活性物质，导电剂和粘合剂构成的含正极活性物质的层。 正极集电体的厚度小于20μm，与正极活性物质含有层接触的表面的平均表面粗糙度Ra大于0.026。
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2.发明申请METHOD FOR MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, POSITIVE ELECTRODE ACTIVE MATERIAL, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY BY USING THE SAME 审中-公开用于非电解电解质二次电池，正极电极活性材料和非电解电解质二次电池制造正极电极活性材料的方法公开(公告)号：US20120077088A1
公开(公告)日：2012-03-29
申请号：US13245370
申请日：2011-09-26
申请人： Kazunori Donoue , Denis Yau Wai Yu
发明人： Kazunori Donoue , Denis Yau Wai Yu
摘要： A method for manufacturing a positive electrode active material for a nonaqueous electrolyte secondary battery including the steps of mixing a lithium source and a tetravalent manganese source and reacting the lithium source and the manganese source at a temperature lower than 600° C. while tetravalent manganese is reduced, so as to produce a lithium manganese compound oxide, wherein the positive electrode active material is formed from the lithium manganese compound oxide where the lithium manganese compound oxide is represented by a general formula LixMnO2 (x≧1) and which has a crystal structure of a space group C2/m.
摘要翻译： 一种非水电解质二次电池用正极活性物质的制造方法，其特征在于，包括以下步骤：将锂源和四价锰源混合，并在低于600℃的温度下使锂源和锰源反应，同时四价锰为 还原，从而制备锂锰复合氧化物，其中正极活性材料由锂锰复合氧化物形成，其中锂锰复合氧化物由通式LixMnO 2（x≥1）表示，并且具有晶体结构 的空间组C2 / m。
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公开(公告)号：US20060222953A1
公开(公告)日：2006-10-05
申请号：US10568805
申请日：2004-08-11
申请人： Takao Inoue , Kumiko Kanai , Kazunori Donoue , Masahisa Fujimoto
发明人： Takao Inoue , Kumiko Kanai , Kazunori Donoue , Masahisa Fujimoto
IPC分类号： H01M4/62
CPC分类号： H01M4/624 , H01M4/131 , H01M4/623 , H01M10/052
摘要： A nonaqueous electrolyte battery wherein the per-volume capacity of positive electrode active material layer can be increased over that exhibited in the use of carbon as a conducting material. This nonaqueous electrolyte battery comprises positive electrode (1) containing a positive electrode active material layer, negative electrode (2) containing a negative electrode active material layer, nonaqueous electrolyte (5) and a conducting material contained in the positive electrode active material layer and constituted of at least one non-carbon material selected from the group consisting of nitrides, carbides and borides, which conducting material is in the form of particles of 0.2 to 5 μm average diameter easily dispersed in the positive electrode active material layer.
摘要翻译： 一种非水电解质电池，其中正极活性物质层的每体积容量可以比使用碳作为导电材料时显示的容量增加。 该非水电解质电池包括含有正极活性物质层的正极（1），含有负极活性物质层的负极（2），非水电解质（5）和包含在正极活性物质层中的导电材料， 的至少一种选自氮化物，碳化物和硼化物的非碳材料，其导电材料是平均直径为0.2至5μm的颗粒形式，容易分散在正极活性物质层中。
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公开(公告)号：US20130004827A1
公开(公告)日：2013-01-03
申请号：US13535982
申请日：2012-06-28
申请人： Shinya Miyazaki , Kazunori Donoue , Hitoshi Maeda
发明人： Shinya Miyazaki , Kazunori Donoue , Hitoshi Maeda
CPC分类号： H01M10/0525 , H01M2/0217 , H01M2/1653 , H01M2/166 , H01M2/1686 , H01M10/0585
摘要： Provided is a nonaqueous electrolyte secondary battery. The stacked electrode assembly contains positive electrode plates in which no positive electrode active material layer is formed on at least one side of the positive electrode substrate and negative electrode plates in which no negative electrode active material layer is formed on at least one side of the negative electrode substrate. Such positive electrode surfaces where no positive electrode active material layer is formed are opposed, with a separator interposed, to such negative electrode surfaces where no negative electrode active material layer is formed. The separator interposed between the positive electrode active material layers and negative electrode active material layers has a layer containing ceramic. The separator interposed between the surfaces where no positive electrode active material layer is formed and the surfaces where no negative electrode active material layer is formed has no layer containing ceramic.
摘要翻译： 提供一种非水电解质二次电池。 叠层电极组件包括在正极基板的至少一侧上没有形成正极活性物质层的正极板和在负极板的至少一侧上不形成负极活性物质层的负极板 电极基板。 在其中没有形成正极活性物质层的这种正电极表面与隔膜插入到不形成负极活性物质层的这些负极表面上。 介于正极活性物质层和负极活性物质层之间的隔膜具有含陶瓷层。 插入在不形成正极活性物质层的表面之间的隔膜与不形成负极活性物质层的表面不具有含陶瓷。
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公开(公告)号：US20120196172A1
公开(公告)日：2012-08-02
申请号：US13361308
申请日：2012-01-30
CPC分类号： H01M4/13 , H01M2/1673 , H01M2/18 , H01M2/34 , H01M4/139 , H01M4/661 , H01M4/667 , H01M4/70 , H01M10/0413 , H01M10/0436 , H01M10/0486 , H01M10/0525 , H01M10/0585 , H01M10/4235 , H01M2200/00 , Y10T29/49115
摘要： A stack type battery has a positive electrode plate (1) having a positive electrode active material layer (1a) formed on at least one side of a current collector made of a metal plate and a positive electrode current collector lead (11) provided in a portion thereof, the positive electrode plate (1) and the positive electrode current collector lead (11) facing a negative electrode plate across a separator (3a). A protective layer (13) made of a material having a lower electron conductivity than the metal of the current collector and being non-insulative is formed at a portion of the positive electrode plate (1) between the positive electrode current collector lead (11) and the separator (3a). The positive, electrode current collector lead (11) and the separator (3a) are joined to each other by the protective layer (13).
摘要翻译： 堆叠型电池具有正极板（1），其正极活性物质层（1a）形成在由金属板制成的集电体的至少一侧和设置在金属板的正极集电体引线（11）中， 部分，正极板（1）和正极集电体引线（11）跨越隔板（3a）面对负极板。 在正极集电体引线（11）之间的正极板（1）的一部分形成有由比集电体的金属低的电子导电性而不是绝缘的材料制成的保护层（13） 和分离器（3a）。 正电极集电体引线（11）和隔板（3a）通过保护层（13）彼此接合。
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公开(公告)号：US20070184352A1
公开(公告)日：2007-08-09
申请号：US11702519
申请日：2007-02-06
CPC分类号： H01M4/136 , H01M4/366 , H01M4/5825 , H01M4/587 , H01M10/0525 , H01M10/0567 , H01M2004/021
摘要： Using a non-aqueous electrolyte secondary battery containing lithium iron phosphate as a positive electrode active material and graphite as a negative electrode active material, a low-cost, high energy density battery is provided that exhibits good performance at high rate current and good cycle performance even at high temperature. The non-aqueous electrolyte secondary battery has a positive electrode having a positive electrode current collector and a positive electrode active material-containing layer formed on a surface of the positive electrode current collector, the positive electrode active material-containing layer containing a conductive agent and a positive electrode active material including lithium iron phosphate, a negative electrode containing a carbon material, and a non-aqueous electrolyte. The non-aqueous electrolyte contains vinylene carbonate.
摘要翻译： 使用含有磷酸铁锂作为正极活性物质的非水电解质二次电池和石墨作为负极活性物质，提供了低成本，高能量密度的电池，其在高速率电流下表现出良好的性能和良好的循环性能 即使在高温下。 非水电解质二次电池具有在正极集电体的表面上形成有正极集电体和正极活性物质含有层的正极，含有导电剂的正极活性物质含有层和 包含磷酸铁锂的正极活性物质，含有碳材料的负极和非水电解质。 非水电解质含有碳酸亚乙烯酯。
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公开(公告)号：US08568928B2
公开(公告)日：2013-10-29
申请号：US11976088
申请日：2007-10-19
IPC分类号： H01M4/13
CPC分类号： H01M4/5825 , H01M4/136 , H01M4/1397 , H01M4/625 , H01M10/0525 , H01M10/0587
摘要： A non-aqueous electrolyte secondary battery has a positive electrode (1), a negative electrode (2), and a non-aqueous electrolyte. The positive electrode has a positive electrode mixture layer containing a positive electrode active material, a binder agent, and a conductive agent. The positive electrode active material in the positive electrode mixture layer contains an olivine-type lithium-containing metal phosphate represented by the general formula LixMPO4, where M is at least one element selected from the group consisting of Co, Ni, Mn, and Fe, and x is 0
摘要翻译： 非水电解质二次电池具有正极（1），负极（2）和非水电解质。 正极具有包含正极活性物质，粘合剂和导电剂的正极合剂层。 正极合剂层中的正极活性物质含有由通式LixMPO4表示的橄榄石型含锂金属磷酸盐，其中M为选自Co，Ni，Mn和Fe中的至少一种元素， x为0
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公开(公告)号：US20080299463A1
公开(公告)日：2008-12-04
申请号：US11814234
申请日：2006-01-10
IPC分类号： H01M6/16
CPC分类号： H01M10/0569 , H01M4/136 , H01M4/5825 , H01M4/623 , H01M4/625 , H01M10/052 , H01M2300/0025
摘要： A nonaqueous electrolyte secondary battery that even at high-rate discharge wherein discharge is carried out at relatively large current, can attain an increase of discharge capacity. There is provided a nonaqueous electrolyte secondary battery comprising positive electrode (2), the positive electrode (2) including a collector and, superimposed thereon, a mixture layer containing a positive electrode active material in which lithium iron phosphate (LiFePO4) is contained, a conductive agent and a binder, the mixture layer exhibiting a mixture packing density after electrode formation of ≧1.7 g/cm3, and further comprising nonaqueous electrolyte (5) containing a solvent in which ethylene carbonate and a linear ether such as 1,2-dimethoxyethane are contained.
摘要翻译： 即使在相对大的电流下进行放电的高速率放电的非水电解质二次电池也能够实现放电容量的增加。 提供一种非水电解质二次电池，其包括正极（2），所述正极（2）包括集电体，并且叠加在其上，包含含有磷酸铁锂（LiFePO 4）的正极活性物质的混合层， 导电剂和粘合剂，所述混合物层在电极形成之后表现出混合物填充密度> = 1.7g / cm 3，并且还包含含有其中碳酸亚乙酯和直链醚如1,2-二氯乙烷的溶剂的非水电解质（5） 二甲氧基乙烷。
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公开(公告)号：US20070065725A1
公开(公告)日：2007-03-22
申请号：US10576260
申请日：2004-09-15
IPC分类号： H01M4/62
CPC分类号： H01M10/052 , H01M4/131 , H01M4/133 , H01M4/134 , H01M4/624 , H01M4/625 , H01M10/0525 , H01M2004/028
摘要： A nonaqueous electrolyte battery wherein the capacity per volume of positive electrode active material layer can be larger than in the use of carbon black only as a conductive material. This nonaqueous electrolyte battery comprises positive electrode (1) having a positive electrode active material layer, negative electrode (2) having a negative electrode active material layer, nonaqueous electrolyte (5) and a conductive material incorporated in the positive electrode active material layer, the conductive material containing carbon black of 1 to less than 800 m2/g specific surface area and at least one material selected from the group consisting of nitrides, carbides and borides.
摘要翻译： 非水电解质电池，其中正极活性物质层的体积容量可以比仅使用炭黑作为导电材料大。 这种非水电解质电池包括具有正极活性物质层的正极（1），具有负极活性物质层的负极（2），非水电解质（5）和掺入到正极活性物质层中的导电材料， 含有1至小于800m 2 / g比表面积的炭黑的导电材料和选自氮化物，碳化物和硼化物的至少一种材料。
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公开(公告)号：US20050136327A1
公开(公告)日：2005-06-23
申请号：US10999997
申请日：2004-12-01
IPC分类号： H01M10/05 , H01M4/38 , H01M4/62 , H01M6/16 , H01M10/052 , H01M10/0567 , H01M10/0568 , H01M10/0569 , H01M4/58 , H01M10/40
CPC分类号： H01M4/581 , H01M4/405 , H01M4/5815 , H01M10/0525 , H01M10/0569 , H01M2300/0022 , H01M2300/0025 , H01M2300/0037 , H01M2300/0091
摘要： A positive electrode has a positive-electrode active material obtained from a mixture of elemental sulfur, a conductive agent and a binder. A negative electrode is composed of a carbon material such as graphite, lithium alloy, or the like that can store lithium and release it. A nonaqueous electrolyte contains a first solvent composed of at least one compound selected from the group consisting of cyclic ethers and chain ethers, and a second solvent composed of a room temperature molten salt having a melting point not higher than 60° C. in a volume ratio in the range of 0.1:99.9 to 40:60, and also contains saturated lithium polysulfide.
摘要翻译： 正极具有由元素硫，导电剂和粘合剂的混合物得到的正极活性物质。 负极由能够存储锂并释放锂的碳材料如石墨，锂合金等构成。 非水电解质含有由至少一种选自环醚和链醚的化合物构成的第一溶剂和由体积不超过60℃的室温熔融盐构成的第二溶剂， 比例在0.1:99.9至40:60的范围内，并且还含有饱和的多硫化锂。
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