公开(公告)号：US07498101B2

公开(公告)日：2009-03-03

申请号：US11564619

申请日：2006-11-29

申请人： Akira Yamaguchi ,  Shinji Hatake ,  Masayuki Nagamine ,  Atsuo Omaru

发明人： Akira Yamaguchi ,  Shinji Hatake ,  Masayuki Nagamine ,  Atsuo Omaru

IPC分类号： H01M4/62

CPC分类号： H01M4/133 ,  H01M4/13 ,  H01M4/131 ,  H01M4/525 ,  H01M4/587 ,  H01M4/625 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2004/021 ,  H01M2004/027

摘要： A nonaqueous electrolyte secondary battery is provided with a positive electrode including a positive-electrode active material, a negative electrode including a negative-electrode active material, and a nonaqueous electrolyte solution. The negative electrode further includes carbon fibers and carbon flakes. The synergistic effects of the improved retention of the electrolyte solution by the carbon fibers and the improved conductivity between the active material particles by the carbon flakes facilitate doping/undoping of lithium in a high-load current mode and increase the capacity of the battery in the high-load current mode.

摘要翻译： 非水电解质二次电池设置有正极，其包括正极活性物质，负极包括负极活性物质和非水电解质溶液。 负极还包括碳纤维和碳薄片。 通过碳纤维改善电解质溶液的保留性和通过碳薄片改善活性材料颗粒之间的导电性的协同效应有助于在高负载电流模式下锂的掺杂/去掺杂，并增加电池在 高负载电流模式。

公开(公告)号：US07261976B2

公开(公告)日：2007-08-28

申请号：US10439807

申请日：2003-05-16

申请人： Satoshi Mizutani ,  Hiroshi Inoue ,  Takatomo Nishino ,  Atsuo Omaru

发明人： Satoshi Mizutani ,  Hiroshi Inoue ,  Takatomo Nishino ,  Atsuo Omaru

IPC分类号： H01M4/58 ,  H01M4/82

CPC分类号： H01M4/133 ,  H01M4/0404 ,  H01M4/0452 ,  H01M4/134 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/364 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0585 ,  H01M2004/021 ,  Y10T29/49115

摘要： The battery comprises a positive electrode which has a positive electrode active material compound layer containing a positive electrode active material formed on a positive electrode current collector; a negative electrode which has at least one negative electrode thin film layer and at least one negative electrode active material compound layer, on a negative electrode current collector, and a non-aqueous electrolyte containing an electrolyte salt. The negative electrode thin film layer contains at least one Group 14 element, and is formed by a thin-film formation technology, and the negative electrode active material compound layer contains a binder and a negative electrode active material, which contains at least any one of Sn, Si, Sn compound, Si compound and carbonaceous material. With this negative electrode, the negative electrode thin film layer containing a high-capacity Group 14 element raises the battery capacity, and the negative electrode active material compound layer provides excellent charge/discharge cycle characteristics while suppressing degradation of the negative electrode even under repetitive charge/discharge.

摘要翻译： 该电池包括正电极，该正极具有包含在正极集电体上形成的正极活性物质的正极活性物质化合物层; 在负极集电体上具有至少一个负极薄膜层和至少一个负极活性物质化合物层的负极和含有电解质盐的非水电解质。 负极薄膜层含有至少一个第14族元素，通过薄膜形成技术形成，负极活性物质化合物层含有粘合剂和负极活性物质，其含有至少任一种 Sn，Si，Sn化合物，Si化合物和碳质材料。 对于该负极，含有高容量组14元素的负极薄膜层提高了电池容量，负极活性物质化合物层即使在重复充电的同时也能够抑制负极的劣化的同时提供优异的充放电循环特性 /卸货。

公开(公告)号：US20050208385A1

公开(公告)日：2005-09-22

申请号：US11111401

申请日：2005-04-21

申请人： Takao Nirasawa ,  Hidetoshi Ito ,  Atsuo Omaru

发明人： Takao Nirasawa ,  Hidetoshi Ito ,  Atsuo Omaru

IPC分类号： C01B31/02 ,  H01M4/02 ,  H01M4/36 ,  H01M4/40 ,  H01M4/587 ,  H01M6/16 ,  H01M10/05 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/40

CPC分类号： H01M10/0567 ,  H01M10/0525 ,  H01M2300/0025

摘要： A nonaqueous electrolyte secondary battery includes a positive electrode having a positive electrode active material, a negative electrode containing a negative electrode active material capable of being doped/undoped with lithium, and a nonaqueous electrolyte. The nonaqueous electrolyte contains at least one of thiols, thiophenes, thioanisoles, thiazoles, thioacetates, aromatic sulfones, and the derivatives thereof. The capacity of the battery is not significantly degraded after cycling and its cycle life is significantly long.

公开(公告)号：US20050191551A1

公开(公告)日：2005-09-01

申请号：US11113771

申请日：2005-04-25

申请人： Hisashi Tsujimoto ,  Yoshikatsu Yamamoto ,  Junji Kuyama ,  Masayuki Nagamine ,  Atsuo Omaru ,  Hiroaki Tanizaki

发明人： Hisashi Tsujimoto ,  Yoshikatsu Yamamoto ,  Junji Kuyama ,  Masayuki Nagamine ,  Atsuo Omaru ,  Hiroaki Tanizaki

IPC分类号： H01M4/02 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/36 ,  H01M4/38 ,  H01M4/50 ,  H01M4/505 ,  H01M4/52 ,  H01M4/525 ,  H01M4/58 ,  H01M4/587 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0587 ,  H01M10/36

CPC分类号： H01M4/505 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/364 ,  H01M4/386 ,  H01M4/525 ,  H01M4/587 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0587 ,  H01M2004/028

摘要： Disclosed is a non-aqueous electrolyte secondary battery having an excellent preservation characteristic at a high temperature and charging/discharging cycle characteristic. A rolled body in which a strip-shape positive electrode and negative electrode are rolled with a separator in-between is provided inside a battery can. The positive electrode contains LixMn2-yMayO4 (where, Ma is at least one element selected from the group consisting of metal elements other than Mn, and B) and LiNi1-zMbzO2 (where, Mb is at least one element selected from the group consisting of metal elements other than Ni, and B). By replacing part of Mn and Ni with other elements, the crystal structure can be stabilized. Thereby, the capacity retention ratio after preservation at a high temperature, and a heavy load discharging power under a high electric potential cutoff can be improved. The mean particle size of particles of the above-mentioned oxides are preferable to be 30 μm and below so that an excellent charging/discharging cycle characteristic can be obtained.

摘要翻译： 公开了一种在高温和充放电循环特性方面具有优异的保存特性的非水电解质二次电池。 在电池壳内部设置有带状正极和负极在其间分离的卷状卷绕体。 正极含有Li x Mn 2 O y O y O 4（其中，Ma是至少一个 选自除Mn以外的金属元素的元素，以及B）和LiNi 1-z Mb z O 2 N（其中，Mb 是选自Ni之外的金属元素和B）中的至少一种元素。 通过用其他元素代替Mn和Ni的一部分，可以稳定晶体结构。 由此，能够提高高电位保存后的容量保持率和高电位切断下的重负荷放电功率。 上述氧化物的粒子的平均粒径优选为30μm以下，因此可以得到良好的充放电循环特性。

公开(公告)号：US06884543B2

公开(公告)日：2005-04-26

申请号：US09822926

申请日：2001-03-30

申请人： Hisashi Tsujimoto ,  Yoshikatsu Yamamoto ,  Junji Kuyama ,  Masayuki Nagamine ,  Atsuo Omaru ,  Hiroaki Tanizaki

发明人： Hisashi Tsujimoto ,  Yoshikatsu Yamamoto ,  Junji Kuyama ,  Masayuki Nagamine ,  Atsuo Omaru ,  Hiroaki Tanizaki

IPC分类号： C01G49/00 ,  C01G53/00 ,  H01M2/02 ,  H01M4/02 ,  H01M4/36 ,  H01M4/38 ,  H01M4/40 ,  H01M4/505 ,  H01M4/525 ,  H01M6/10 ,  H01M10/04 ,  H01M10/05 ,  H01M10/052 ,  H01M10/38 ,  H01M4/50 ,  H01M4/52

CPC分类号： H01M2/023 ,  H01M2/0222 ,  H01M4/02 ,  H01M4/366 ,  H01M4/38 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M6/10 ,  H01M10/0525 ,  H01M10/0587 ,  H01M2004/028

摘要： Disclosed is a non-aqueous electrolyte secondary battery having an excellent preservation characteristic at a high temperature and charging/discharging cycle characteristic. A rolled body in which a strip-shape positive electrode and negative electrode are rolled with a separator in-between is provided inside a battery can. The positive electrode contains LixMn2-yMayO4 (where, Ma is at least one element selected from the group consisting of metal elements other than Mn, and B) and LiNi1-zMbzO2 (where, Mb is at least one element selected from the group consisting of metal elements other than Ni, and B). By replacing part of Mn and Ni with other elements, the crystal structure can be stabilized. Thereby, the capacity retention ratio after preservation at a high temperature, and a heavy load discharging power under a high electric potential cutoff can be improved. The mean particle size of particles of the above-mentioned oxides are preferable to be 30 μm and below so that an excellent charging/discharging cycle characteristic can be obtained.

公开(公告)号：US06806003B1

公开(公告)日：2004-10-19

申请号：US09675422

申请日：2000-09-29

申请人： Akira Yamaguchi ,  Shinji Hatake ,  Atsuo Omaru ,  Masayuki Nagamine

发明人： Akira Yamaguchi ,  Shinji Hatake ,  Atsuo Omaru ,  Masayuki Nagamine

IPC分类号： H01M462

CPC分类号： H01M4/133 ,  H01M4/13 ,  H01M4/131 ,  H01M4/525 ,  H01M4/587 ,  H01M4/625 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2004/021 ,  H01M2004/027

摘要： A nonaqueous electrolyte secondary battery is provided with a positive electrode including a positive-electrode active material, a negative electrode including a negative-electrode active material, and a nonaqueous electrolyte solution. The negative electrode further includes carbon fibers and carbon flakes. The synergistic effects of the improved retention of the electrolyte solution by the carbon fibers and the improved conductivity between the active material particles by the carbon flakes facilitate doping/undoping of lithium in a high-load current mode and increase the capacity of the battery in the high-load current mode.

公开(公告)号：US06686094B2

公开(公告)日：2004-02-03

申请号：US09043634

申请日：1998-07-24

申请人： Atsuo Omaru ,  Naoyuki Nakajima ,  Masayuki Nagamine

发明人： Atsuo Omaru ,  Naoyuki Nakajima ,  Masayuki Nagamine

IPC分类号： H01M462

CPC分类号： H01M10/0525 ,  H01M2/348 ,  H01M4/131 ,  H01M4/133 ,  H01M4/485 ,  H01M4/525 ,  H01M4/587 ,  H01M4/625 ,  H01M6/10 ,  H01M6/164 ,  H01M10/0587 ,  H01M2300/0025

摘要： In a non-aqueous electrolyte secondary battery including an anode and a cathode consisting of material capable of doping/undoping of lithium, and non-aqueous electrolytic solution in which electrolyte is dissolved in a non-aqueous solvent, flaky graphite having high crystallinity and high electron conductivity is added as conductive agent into the anode and the cathode. Further, granulated carbon and carbon black having specific material property is added as conductive agent in addition to the flaky graphite. Thus, non-aqueous electrolyte secondary battery having long cycle life time and high reliability can be obtained.

摘要翻译： 在包括由锂掺杂/脱掺杂的材料构成的阳极和阴极的非水电解质二次电池以及其中电解质溶解在非水溶剂中的非水电解液中，具有高结晶性和高结晶性的片状石墨 将电子传导性作为导电剂添加到阳极和阴极中。 此外，除了片状石墨之外，还加入具有特定材料特性的造粒碳和炭黑作为导电剂。 因此，可以获得具有长循环寿命和高可靠性的非水电解质二次电池。

公开(公告)号：US06679925B1

公开(公告)日：2004-01-20

申请号：US09715737

申请日：2000-11-17

申请人： Hiroaki Tanizaki ,  Hiroshi Imoto ,  Atsuo Omaru

发明人： Hiroaki Tanizaki ,  Hiroshi Imoto ,  Atsuo Omaru

IPC分类号： H01M458

CPC分类号： H01M4/0416 ,  H01M4/04 ,  H01M4/0404 ,  H01M4/043 ,  H01M4/383 ,  H01M4/386 ,  H01M4/40 ,  H01M4/58 ,  H01M10/0525 ,  H01M2004/027 ,  Y10T29/49108

摘要： A method of manufacturing a negative material and a secondary battery in which a belt-shaped positive electrode and a belt-shaped negative electrode are wound together with a separator in between them to form a wound electrode body. The wound electrode battery is then inserted inside a battery can. Preferably, the negative electrode is produced with crushed silicon or a silicon compound in an oxygen partial pressure atmosphere within a value from higher than 10 Pa to lower than an oxygen partial pressure of air.

摘要翻译： 一种制造负极材料和二次电池的方法，其中带状正电极和带状负电极在隔板之间缠绕在一起，以形成缠绕电极体。 然后将卷绕的电极电池插入电池罐内。 优选地，在氧分压气氛中，将破碎的硅或硅化合物制成的负极在高于10Pa至低于空气的氧分压的范围内。

公开(公告)号：US06677080B2

公开(公告)日：2004-01-13

申请号：US09925669

申请日：2001-08-09

申请人： Hiroaki Tanizaki ,  Atsuo Omaru

发明人： Hiroaki Tanizaki ,  Atsuo Omaru

IPC分类号： H01M432

CPC分类号： H01M10/0525 ,  H01M4/131 ,  H01M4/364 ,  H01M4/505 ,  H01M4/525 ,  H01M4/661 ,  H01M10/0567 ,  H01M10/0587 ,  H01M2004/021

摘要： The present invention provides a non-aqueous electrolyte secondary cell including: a lithium-nickel composite oxide as a cathode active material and a material having a specific surface in the range from 0.05 m2/g to 2 m2/g as an anode active material. When A is assumed to be the weight of the lithium-nickel composite oxide and B is assumed to be the weight of the cathode active material other than the lithium-nickel composite oxide, the mixture ratio R expressed A/(A+B) is in the range from 0.2 to 1. This combination of the cathode active material and the anode active material enables to obtain an improved anti-over discharge characteristic even when an anode current collector contains Cu.

摘要翻译： 本发明提供一种非水电解质二次电池，其包括：作为正极活性物质的锂镍复合氧化物和比表面积为0.05m 2 / g〜2m 2 / g的材料 作为负极活性物质。 假设A为锂镍复合氧化物的重量，B为B以外的正极活性物质的重量，则表示为A /（A + B）的混合比R为 在0.2至1的范围内。阴极活性材料和负极活性材料的这种组合使得即使当阳极集流体包含Cu时，也能够获得改进的防过放电特性。

公开(公告)号：US06423452B1

公开(公告)日：2002-07-23

申请号：US09215459

申请日：1998-12-17

申请人： Akinori Kita ,  Naoko Inagaki ,  Atsuo Omaru ,  Akio Takahashi

发明人： Akinori Kita ,  Naoko Inagaki ,  Atsuo Omaru ,  Akio Takahashi

IPC分类号： H01M614

CPC分类号： H01M10/0567 ,  H01M4/587 ,  H01M6/10 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/4235 ,  H01M10/446 ,  Y10T29/49108

摘要： A nonaqueous electrolytic secondary battery includes a negative electrode, a positive electrode, and a nonaqueous electrolytic solution including an electrolytic salt dissolved in a nonaqueous solvent. A polymer is added to the nonaqueous electrolytic solution. Also, a method of making a nonaqueous electrolytic secondary battery includes the steps of placing a negative electrode, a positive electrode, and a nonaqueous electrolytic solution including an electrolytic salt dissolved in a nonaqueous solvent, in a battery housing to assemble a battery; and charging and discharging the battery under overcharge conditions or applying a pulse voltage to the battery.

摘要翻译： 非水电解质二次电池包括负极，正极和包含溶解在非水溶剂中的电解质盐的非水电解液。 向非水电解液中加入聚合物。 此外，制造非水电解二次电池的方法包括将负极，正极和包含溶解在非水溶剂中的电解质盐的非水电解液放置在电池壳体中以组装电池的步骤; 并在过充电条件下对电池充电和放电，或向电池施加脉冲电压。