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公开(公告)号：US09356289B2
公开(公告)日：2016-05-31
申请号：US13884645
申请日：2010-11-12
申请人： Hiroki Nagai , Masahiro Morita , Takashi Iwao
发明人： Hiroki Nagai , Masahiro Morita , Takashi Iwao
IPC分类号： H01M4/485 , H01M4/13 , H01M4/505 , H01M4/525 , H01M10/052 , H01M4/131 , H01M10/0587 , H01M4/02
CPC分类号： H01M4/485 , H01M4/13 , H01M4/131 , H01M4/505 , H01M4/525 , H01M10/052 , H01M10/0587 , H01M2004/021 , Y02E60/122 , Y02T10/7011
摘要： A secondary battery 100 includes: a positive electrode mixture layer 223 containing a positive electrode active material 610 and an electrically conductive material 620; a positive electrode current collector 221 on which the positive electrode mixture layer 223 is coated; a negative electrode mixture layer 243 containing a negative electrode active material 710; and a negative electrode current collector 241 on which the negative electrode mixture layer 243 is coated, wherein a porosity A1 of the positive electrode mixture layer 223 satisfies 0.30≦A1 and, at the same time, a porosity A2 of the negative electrode mixture layer 243 satisfies 0.30≦A2.
摘要翻译： 二次电池100包括：含有正极活性物质610和导电材料620的正极合剂层223; 正极集电体221，其上涂覆有正极复合层223; 含有负极活性物质710的负极合剂层243; 负极集电体241，其上涂覆有负极复合层243，其中正极合剂层223的孔隙率A1满足0.30＆lt; nlE; A1，同时，负极混合物层的孔隙率A2 243满足0.30＆nlE; A2。
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公开(公告)号：US20150325838A1
公开(公告)日：2015-11-12
申请号：US14411257
申请日：2013-07-01
申请人： Takumi TAMAKI , Hiroki NAGAI , Tetsuya WASEDA
发明人： Takumi TAMAKI , Hiroki NAGAI , Tetsuya WASEDA
CPC分类号： H01M4/131 , B60L50/64 , H01M4/133 , H01M4/505 , H01M4/525 , H01M4/587 , H01M10/0525 , H01M2004/027 , H01M2004/028 , H01M2010/4292 , H01M2220/20 , Y02E60/122 , Y02T10/7011
摘要： A lithium secondary battery includes an electrode body containing a positive electrode and a negative electrode, a non-aqueous electrolytic solution, and a battery case in which the electrode body and the non-aqueous electrolytic solution are housed, wherein the positive electrode includes a positive electrode active material particle of a hollow structure having a shell portion formed of a lamellar lithium transition metal oxide and a hollow portion formed therein, the long diameter of a primary particle of the lithium transition metal oxide based on SEM observation is 1 μm or less, the thickness of the shell portion based on SEM observation is 2 μm or less, the negative electrode is provided with a negative electrode active material particle formed of a carbon material, and a krypton adsorption amount of the negative electrode active material particle is 3.5 m2/g or greater but 4 m2/g or less.
摘要翻译： 锂二次电池包括含有正极和负极的电极体，非水电解液和容纳电极体和非水电解液的电池壳体，其中正极包括正极 具有由层状锂过渡金属氧化物形成的壳体部分和形成在其中的中空部分的中空结构的电极活性物质颗粒，基于SEM观察的锂过渡金属氧化物的一次粒子的长径为1μm以下， 基于SEM观察的壳部的厚度为2μm以下，负极设置有由碳材料形成的负极活性物质粒子，负极活性物质粒子的氪吸附量为3.5m 2 / g以上，4m 2 / g以下。
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公开(公告)号：US09126845B2
公开(公告)日：2015-09-08
申请号：US14122213
申请日：2011-05-31
申请人： Hiroki Nagai
发明人： Hiroki Nagai
CPC分类号： C01D15/02 , C01G53/42 , C01G53/44 , C01P2002/54 , C01P2006/12 , C01P2006/40 , C01P2006/80 , H01M4/366 , H01M4/505 , H01M4/525 , H01M10/052 , Y02E60/122 , Y02P70/54
摘要： The present invention provides a lithium secondary battery having a great output power in a low SOC range and a positive electrode active material for use in the battery. The battery comprises a positive electrode, a negative electrode and a non-aqueous electrolyte. The positive electrode comprises a positive electrode active material in a form of secondary particles as aggregates of primary particles of a lithium transition metal oxide. The positive electrode active material comprises at least one species of Ni, Co and Mn, and further comprises W and Mg. The W is present, concentrated on surfaces of the primary particles while the Mg is present throughout the primary particles. The Mg content in the positive electrode active material is higher than 50 ppm relative, to the total amount of the active material based on the mass.
摘要翻译： 本发明提供一种在低SOC范围内输出功率大的锂二次电池和用于电池的正极活性物质。 电池包括正极，负极和非水电解质。 正极包括作为锂过渡金属氧化物的一次粒子的聚集体的二次粒子形式的正极活性物质。 正极活性物质包含至少一种Ni，Co和Mn，并且还包含W和Mg。 W存在，集中在初级颗粒的表面上，而Mg存在于整个初级颗粒中。 相对于基于质量的活性物质的总量，正极活性物质中的Mg含量高于50ppm。
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公开(公告)号：US09005804B2
公开(公告)日：2015-04-14
申请号：US13531171
申请日：2012-06-22
摘要： An electrode is provided with a metal terminal extending from a battery module main body, a bolt which has an expanded section configuring a retaining section at a rear end portion and penetrates the metal terminal upward, and an insulating body which insulates the metal terminal and the battery module case one from the other. The insulating body is provided with a drop preventing section which abuts at least a lower surface of the expanded section of the bolt and prevents the bolt from dropping from the metal terminal.
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公开(公告)号：US20150064529A1
公开(公告)日：2015-03-05
申请号：US14391540
申请日：2012-04-10
申请人： Hiroki Nagai , Hiroyuki Akita , Takumi Tamaki , Katsushi Saito , Masato Kamiya , Shinji Suzuki
发明人： Hiroki Nagai , Hiroyuki Akita , Takumi Tamaki , Katsushi Saito , Masato Kamiya , Shinji Suzuki
CPC分类号： H01M2/1653 , H01M2/166 , H01M2/1686 , H01M10/0431 , H01M10/0587 , H01M2010/4292 , H01M2220/20
摘要： Provided is a nonaqueous electrolyte secondary battery 10 which, in cases where separators 70 each having a heat-resistant layer 74 on only one face thereof are used, has an excellent thermal stability and thus a higher safety and reliability when the battery 10 reaches a high temperature. Such a nonaqueous electrolyte secondary battery 10 includes a positive electrode 30 in which a positive electrode active material layer 34 is provided on both faces of a positive electrode current collector 32, a negative electrode 50 in which a negative electrode active material layer 54 is provided on both faces of a negative electrode current collector 52, at least two separators 70 each having a heat-resistant layer 74 on one face of a base material 72, and an electrolyte. The nonaqueous electrolyte secondary battery has an electrode assembly 20 in which the positive electrode 30 and the negative electrode 50 are stacked on top of one another with the separators 70 interposed therebetween. The at least two separators 70 are disposed in such a way that, for each separator, the heat-resistant layer 74 is positioned on the same side with respect to the base material 72 in the stacking direction.
摘要翻译： 提供一种非水电解质二次电池10，其在使用仅在其一面具有耐热层74的隔板70的情况下，具有优异的热稳定性，并且因此当电池10达到高电平时具有更高的安全性和可靠性 温度。 这种非水电解质二次电池10包括在正极集电体32的两个面上设置有正极活性物质层34的正极30，在负极活性物质层54上设置有负极活性物质层54的负极50 负极集电体52的两面，在基材72的一个面上具有耐热层74的至少两个隔板70和电解质。 非水电解质二次电池具有电极组件20，其中正极30和负极50彼此重叠，隔着隔板70彼此叠置。 至少两个分离器70被设置成使得对于每个隔板，耐热层74在层叠方向上相对于基底材料72位于同一侧。
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公开(公告)号：US08945768B2
公开(公告)日：2015-02-03
申请号：US13807453
申请日：2011-05-06
申请人： Hiroki Nagai
发明人： Hiroki Nagai
CPC分类号： H01M4/505 , C01D15/02 , H01M4/131 , H01M4/366 , H01M4/525 , H01M4/5825 , H01M10/0525 , H01M2004/021 , H01M2220/20 , Y02E60/122 , Y02P70/54 , Y02T10/7011
摘要： A lithium-ion secondary battery 100 includes a positive electrode current collector 221 and a porous positive electrode active material layer 223 retained by the positive electrode current collector 221. The positive electrode active material layer 223 contains, for example, positive electrode active material particles 610, an electrically conductive material 620, and a binder 630. In this lithium-ion secondary battery 100, the positive electrode active material particles 610 have a shell portion 612 constituted by a lithium transition metal oxide, a hollow portion 614 formed inside the shell portion 612, and a through hole 616 penetrating the shell portion 612. In the lithium-ion secondary battery 100, in the positive electrode active material layer 223 on average, the hollow portion 614 accounts for 23% or higher of an apparent sectional area of the positive electrode active material particles 610. In addition, a thickness of the shell portion 612 in the positive electrode active material layer 223 on average is 2.2 μm or less.
摘要翻译： 锂离子二次电池100包括由正极集电体221保持的正极集电体221和多孔正极活性物质层223.正极活性物质层223例如包含正极活性物质粒子610 ，导电材料620和粘合剂630.在该锂离子二次电池100中，正极活性物质粒子610具有由锂过渡金属氧化物构成的壳部612，形成在壳部内的中空部614 612和穿透壳体部分612的通孔616.在锂离子二次电池100中，在正极活性物质层223中，中空部分614占23％以上的表观截面面积 正极活性物质粒子610.另外，正极活性物质中的壳部612的厚度 硬质层223平均为2.2μm以下。
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公开(公告)号：US20140335417A1
公开(公告)日：2014-11-13
申请号：US14362660
申请日：2012-12-04
申请人： Hiroki Nagai
发明人： Hiroki Nagai
CPC分类号： H01M4/366 , C01G53/44 , C01G53/50 , C01P2002/10 , C01P2006/40 , H01M4/131 , H01M4/485 , H01M4/505 , H01M4/525 , H01M10/0431 , H01M10/0525 , H01M10/0587 , H01M2004/021 , H01M2220/20 , Y02E60/122 , Y02P70/54 , Y02T10/7011
摘要： A lithium-ion secondary battery (100A) includes a positive electrode current collector (221A) and a positive electrode active material layer (223A) retained on the positive electrode current collector (221A). The positive electrode active material layer (223A) contains positive electrode active material particles, a conductive agent, and a binder. The positive electrode active material particles (610A) each include a shell portion (612) made of primary particles (800) of a layered lithium-transition metal oxide, a hollow portion (614) formed inside the shell portion (612), and a through-hole (616) penetrating through the shell portion (612). The primary particles (800) of the lithium-transition metal oxide have a major axis length of less than or equal to 0.8 μm in average of the positive electrode active material layer (223A).
摘要翻译： 锂离子二次电池（100A）包括保持在正极集电体（221A）上的正极集电体（221A）和正极活性物质层（223A）。 正极活性物质层（223A）含有正极活性物质粒子，导电剂和粘合剂。 正极活性物质粒子（610A）各自包含由层状锂过渡金属氧化物的一次粒子（800）构成的壳部（612），形成在壳部（612）内的中空部（614），以及 通孔（616）穿过壳体部分（612）。 锂 - 过渡金属氧化物的一次粒子（800）的正极活性物质层（223A）的长轴长度平均小于等于0.8μm。
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公开(公告)号：US08871382B2
公开(公告)日：2014-10-28
申请号：US12937740
申请日：2009-04-08
申请人： Masato Komatsuki , Hiroki Nagai , Yoichi Naruse , Hiroya Kondou , Kaoru Yugahara
发明人： Masato Komatsuki , Hiroki Nagai , Yoichi Naruse , Hiroya Kondou , Kaoru Yugahara
IPC分类号： H01M2/08 , H01M2/36 , H01M10/0525
CPC分类号： H01M2/362 , H01M2/367 , H01M10/0525 , Y02E60/12 , Y02T10/7011
摘要： A battery is equipped with a case (200) in which a fill opening (aperture) (201) is formed and a sealing cap (210), which closes the fill opening (201) formed in the case (200). The sealing cap (210) is formed of a thin plate that covers the fill opening (201) in the case (200), the circumferential edge (211) of the sealing cap (210) is bonded to the case (200), and the center (212) of the sealing cap (210) is bent from the circumferential edge (211) and bulges up toward the outside of the case (200). In addition, a chamfer (213) is applied at the bent corner of the sealing cap (210).
摘要翻译： 电池配备有形成有填充开口（孔）（201）的壳体（200）和闭合形成在壳体（200）中的填充开口（201）的密封帽（210）。 密封帽（210）由覆盖壳体（200）中的填充开口（201）的薄板形成，密封帽（210）的周向边缘（211）接合到壳体（200），并且 密封帽（210）的中心（212）从圆周边缘（211）弯曲并朝向壳体（200）的外侧向上凸出。 此外，在密封帽（210）的弯曲角部处施加倒角（213）。
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公开(公告)号：US20140127582A1
公开(公告)日：2014-05-08
申请号：US14122213
申请日：2011-05-31
申请人： Hiroki Nagai
发明人： Hiroki Nagai
CPC分类号： C01D15/02 , C01G53/42 , C01G53/44 , C01P2002/54 , C01P2006/12 , C01P2006/40 , C01P2006/80 , H01M4/366 , H01M4/505 , H01M4/525 , H01M10/052 , Y02E60/122 , Y02P70/54
摘要： The present invention provides a lithium secondary battery having a great output power in a low SOC range and a positive electrode active material for use in the battery The battery comprises a positive electrode, a negative electrode and a non-aqueous electrolyte. The positive electrode comprises a positive electrode active material in a form of secondary particles as aggregates of primary particles of a lithium transition metal oxide. The positive electrode active material comprises at least one species of Ni, Co and Mn, and further comprises W and Mg. The W is present, concentrated on surfaces of the primary particles while the Mg is present throughout the primary particles. The Mg content in the positive electrode active material is higher than 50 ppm relative, to the total amount of the active material based on the mass.
摘要翻译： 本发明提供一种在低SOC范围内具有大输出功率的锂二次电池和用于电池的正极活性材料。该电池包括正极，负极和非水电解质。 正极包括作为锂过渡金属氧化物的一次粒子的聚集体的二次粒子形式的正极活性物质。 正极活性物质包含至少一种Ni，Co和Mn，并且还包含W和Mg。 W存在，集中在初级颗粒的表面上，而Mg存在于整个初级颗粒中。 相对于基于质量的活性物质的总量，正极活性物质中的Mg含量高于50ppm。
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公开(公告)号：US20130336846A1
公开(公告)日：2013-12-19
申请号：US13823380
申请日：2011-09-15
申请人： Nobuaki Komatsu , Tomoko Ito , Hiroki Nagai , Shin-ichiro Nanjo
发明人： Nobuaki Komatsu , Tomoko Ito , Hiroki Nagai , Shin-ichiro Nanjo
CPC分类号： B01J23/04 , B01D39/2003 , B01D2239/0428 , B01J23/02 , B01J35/004 , B01J35/06 , B01J37/0018 , B01J37/06 , C03C15/00
摘要： Provided is an inexpensive material having a photocatalytic action. A photocatalyst is obtained by halogenation-treating glass fibers containing silicon dioxide in its components. Fused quartz, soda-lime glass, non-alkali glass, and borosilicate glass may be used for the glass. Hydrofluoric acid, hydrochloric acid and hydrobromic acid may be used for the halogen acid, and hydrofluoric acid is most desirable. The glass can be particulate, fibrous or sheet form material. The glass exhibits a photocatalytic action even with visible light other than ultraviolet light, and also water repellent effect. The glass according to the invention is capable of decomposing organic substances, and therefore, it is used for window glass in buildings or in transportation such as automobiles, when formed in a plate shape, and for a filter in an air intake/exhaust apparatus, when formed in fibrous shape.
摘要翻译： 提供了具有光催化作用的廉价材料。 通过在其组分中对包含二氧化硅的玻璃纤维进行卤化处理来获得光催化剂。 玻璃可以使用熔融石英，钠钙玻璃，无碱玻璃和硼硅酸盐玻璃。 氢氟酸，盐酸和氢溴酸可用于卤素酸，氢氟酸是最理想的。 玻璃可以是颗粒状，纤维状或片状材料。 即使使用紫外线以外的可见光，玻璃也呈现光催化作用，并且具有防水效果。 根据本发明的玻璃能够分解有机物质，因此它被用于建筑物中的窗玻璃或汽车等运输中，当形成为板状时，以及用于进气/排气装置中的过滤器， 当形成纤维状时。
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