公开(公告)号：US6103420A

公开(公告)日：2000-08-15

申请号：US841776

申请日：1997-05-05

申请人： Kenji Nakane ,  Yasunori Nishida ,  Kenichiro Kami ,  Tomoari Satoh

发明人： Kenji Nakane ,  Yasunori Nishida ,  Kenichiro Kami ,  Tomoari Satoh

IPC分类号： C01G53/00 ,  H01M4/1391 ,  H01M4/48 ,  H01M4/485 ,  H01M4/52 ,  H01M4/525 ,  H01M4/54 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/36

CPC分类号： H01M10/052 ,  C01G53/42 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/525 ,  H01M4/54 ,  C01P2002/52 ,  C01P2002/54 ,  C01P2004/20 ,  C01P2006/10 ,  C01P2006/40 ,  H01M10/0525 ,  H01M4/0404 ,  Y02P70/54

摘要： The invention provides a cathode for a lithium secondary battery including lithiated nickel dioxide with a large discharge capacity as an active material and having a high density so that a larger amount of the active material can be charged in a battery container with a limited volume, a production method for the same and a lithium secondary battery utilizing the cathode. The cathode for a lithium secondary battery includes lithiated nickel dioxide as an active material, and the lithiated nickel dioxide is produced by firing a mixture of a lithium compound and a nickel compound at a temperature ranging between 350.degree. C. and 800.degree. C. The supernatant obtained by dispersing 5 g of the lithiated nickel dioxide in 100 cm.sup.3 of water in a glass vessel for 5 minutes and allowing the resultant solution to stand for 30 seconds has pH of 12.00 or less. The production method includes the steps of obtaining the lithiated nickel dioxide as above and treating or milling the lithiated nickel dioxide in an atmosphere including carbon dioxide.

摘要翻译： 本发明提供了一种锂二次电池的阴极，其包括具有大放电容量的锂化二氧化镍作为活性材料并且具有高密度，使得可以将更多量的活性材料充入具有有限体积的电池容器中， 其制造方法和利用阴极的锂二次电池。 锂二次电池的阴极包括锂化二氧化镍作为活性物质，锂化二氧化镍通过在350℃〜800℃的温度范围内煅烧锂化合物和镍化合物的混合物来制造。 通过将5g锂化二氧化镍分散在玻璃容器中的100cm 3水中5分钟并使所得溶液静置30秒而获得的上清液的pH为12.00以下。 制备方法包括如下步骤：获得如上所述的锂化二氧化镍，并在包括二氧化碳的气氛中处理或研磨锂化二氧化镍。

公开(公告)号：US5824284A

公开(公告)日：1998-10-20

申请号：US827497

申请日：1997-03-28

申请人： Tomoari Satoh ,  Kenji Nakane ,  Yasunori Nishida

发明人： Tomoari Satoh ,  Kenji Nakane ,  Yasunori Nishida

IPC分类号： C01G53/00 ,  H01M4/52 ,  H01M4/525 ,  H01M10/052 ,  H01M10/36 ,  H01M4/32

CPC分类号： H01M10/052 ,  C01G53/42 ,  H01M4/525 ,  C01P2002/30 ,  C01P2002/52 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/40 ,  Y02P70/54

摘要： The invention provides a cathode material for lithium secondary battery containing lithiated nickel dioxide having excellent charge/discharge characteristics and a process for producing the lithiated nickel dioxide, and a lithium secondary battery. That is, the cathode material for lithium secondary battery contains lithiated nickel dioxide having .alpha.-NaFeO.sub.2 structure and shows a coulomb efficiency of 80% or higher at the first charging and discharging, and the process for producing lithiated nickel dioxide comprises dispersing a nickel compound in a lithium nitrate solution, then evaporating the solvent to obtain a mixture of lithium nitrate and the nickel compound and firing the mixture in an atmosphere containing oxygen.

摘要翻译： 本发明提供了一种锂二次电池用阴极材料，其具有充电/放电特性优异的锂化二氧化镍和锂二次电池的制造方法以及锂二次电池。 也就是说，锂二次电池用阴极材料含有具有α-NaFeO 2结构的锂化二氧化镍，并且在第一次充放电时显示出库仑效率为80％以上，并且锂化二氧化镍的制造方法包括将镍化合物 硝酸锂溶液，然后蒸发溶剂，得到硝酸锂和镍化合物的混合物，并在含氧气氛中焙烧该混合物。

公开(公告)号：US5595842A

公开(公告)日：1997-01-21

申请号：US438654

申请日：1995-05-09

申请人： Kenji Nakane ,  Yasunori Nishida ,  Chikashi Akamatsu ,  Tomoari Satoh ,  Kazuyuki Tanino ,  Taketsugu Yamamoto

发明人： Kenji Nakane ,  Yasunori Nishida ,  Chikashi Akamatsu ,  Tomoari Satoh ,  Kazuyuki Tanino ,  Taketsugu Yamamoto

IPC分类号： H01M4/52 ,  H01M4/525 ,  H01M10/052 ,  H01M10/36

CPC分类号： H01M10/052 ,  H01M4/525 ,  Y02T10/7011

摘要： A lithium secondary battery that includes a cathode containing, as an active material, a material that can be doped/undoped with lithium ions; an anode containing, as an active material, a lithium metal, a lithium alloy or a material that can be doped/undoped with lithium ions; and a liquid or solid electrolyte. In this lithium secondary battery, the active material used in the cathode is lithiated nickel dioxide containing gallium. As a result, the lithium secondary battery attains excellent cycle and overcharge resistance characteristics and has a high energy density.

摘要翻译： 一种锂二次电池，其包括含有可掺杂/未掺杂锂离子的材料作为活性材料的阴极; 含有作为活性物质的锂金属，锂合金或可掺杂/未掺杂锂离子的材料的阳极; 和液体或固体电解质。 在该锂二次电池中，阴极中使用的活性物质是含有镓的锂化二氧化镍。 结果，锂二次电池具有优异的循环和过充电电阻特性并且具有高的能量密度。

公开(公告)号：US06270927B1

公开(公告)日：2001-08-07

申请号：US09019726

申请日：1998-02-06

申请人： Kenji Nakane ,  Yasunori Nishida ,  Takeshi Miyai ,  Tomoari Satoh

发明人： Kenji Nakane ,  Yasunori Nishida ,  Takeshi Miyai ,  Tomoari Satoh

IPC分类号： H01M458

CPC分类号： H01M4/525 ,  C01G19/00 ,  C01G53/42 ,  C01P2002/54 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2006/40 ,  H01M4/485 ,  H01M2004/021

摘要： Provided is a lithium secondary battery of a high energy density using a cathode active material having an excellent cycle characteristic in charging/discharging at a high capacity and a small irreversible capacity. The lithium secondary battery comprising: a cathode including a material that can be doped/undoped with lithium ions as an active material; an anode including a lithium metal, a lithium alloy, or a material that can be doped/undoped with lithium ions as an active material; and a liquid or solid electrolyte, wherein lithiated nickel dioxide containing tin is used as the cathode active material, and said lithiated nickel dioxide has a peak near 2&thgr;=34.4° and does not have a peak near 2&thgr;=22.5° in the X-ray diffraction pattern by CuK&agr; rays, or the intensity ratio of the peak near 2&thgr;=22.5° to the peak near 2&thgr;=34.4° is 1.2 or less.

摘要翻译： 本发明提供一种利用正极活性物质的能量密度高的锂二次电池，其在高容量充放电时具有优异的循环特性和小的不可逆容量。 锂二次电池包括：阴极，其包括可以掺杂/未掺杂有锂离子作为活性材料的材料; 包括锂金属，锂合金或可以掺杂/未掺杂有锂离子作为活性材料的材料的阳极; 和液体或固体电解质，其中使用含锂的二氧化锡含锡作为阴极活性材料，并且所述锂化二氧化镍在2θ= 34.4°附近具有峰值，并且在X射线中没有接近2θ= 22.5°的峰值 或者靠近2θ= 22.5°的峰值与2θ= 34.4°附近的峰值的强度比为1.2以下。

公开(公告)号：US5677086A

公开(公告)日：1997-10-14

申请号：US675288

申请日：1996-07-01

申请人： Tomoari Satoh ,  Kenji Nakane ,  Yasunori Nishida

发明人： Tomoari Satoh ,  Kenji Nakane ,  Yasunori Nishida

IPC分类号： C01G53/00 ,  H01M4/52 ,  H01M4/525 ,  H01M10/052 ,  H01M10/36

CPC分类号： H01M10/052 ,  C01G53/42 ,  H01M4/525 ,  C01P2002/30 ,  C01P2002/52 ,  C01P2004/61 ,  C01P2006/12 ,  C01P2006/40 ,  Y02P70/54

摘要： The invention provides a cathode material for lithium secondary battery containing lithiated nickel dioxide having excellent charge/discharge characteristics and a process for producing the lithiated nickel dioxide, and a lithium secondary battery. That is, the cathode material for lithium secondary battery contains lithiated nickel dioxide having .alpha.-NaFeO.sub.2 structure and shows a coulomb efficiency of 85% or higher at the first charging and discharging, and the process for producing lithiated nickel dioxide comprises dispersing a nickel compound in a lithium nitrate solution, then evaporating the solvent to obtain a mixture of lithium nitrate and the nickel compound and firing the mixture in an atmosphere containing oxygen.

摘要翻译： 本发明提供了一种锂二次电池用阴极材料，其具有充电/放电特性优异的锂化二氧化镍和锂二次电池的制造方法以及锂二次电池。 也就是说，锂二次电池用阴极材料含有具有α-NaFeO 2结构的锂化二氧化镍，并且在第一次充放电时显示出库仑效率为85％以上，并且锂化二氧化镍的制造方法包括将镍化合物 硝酸锂溶液，然后蒸发溶剂，得到硝酸锂和镍化合物的混合物，并在含氧气氛中焙烧该混合物。

公开(公告)号：US6153332A

公开(公告)日：2000-11-28

申请号：US25318

申请日：1998-02-18

申请人： Yasunori Nishida ,  Kenichiro Kami ,  Kenji Nakane

发明人： Yasunori Nishida ,  Kenichiro Kami ,  Kenji Nakane

IPC分类号： H01M4/62 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/18

CPC分类号： H01M4/621 ,  H01M10/052 ,  H01M10/0525 ,  H01M4/04

摘要： A lithium secundary battery cathode composition comprising a cathode active material, a conductive substance and a binder, wherein the binder comprises a fluororesin and a polyolefin resin, and the amount of the fluororesin in the composition is 1 to 10% by weight and the amount of the polyolefin resin in the composition is 0.1 to 2% by weight.The cathode using the cathode composition of the present invention has an excellent binding property with a current collector, and the lithium secondary battery of the present invention has a high energy density and improved safety against an external heating, and the industrial value is very high.

摘要翻译： 包含阴极活性材料，导电物质和粘合剂的锂锂电池阴极组合物，其中所述粘合剂包含氟树脂和聚烯烃树脂，并且所述组合物中氟树脂的量为1-10重量％ 组合物中的聚烯烃树脂为0.1〜2重量％。 使用本发明的阴极组合物的阴极与集电体的结合性优异，本发明的锂二次电池具有高的能量密度和对外部加热提高的安全性，工业价值非常高。

公开(公告)号：US06180282B2

公开(公告)日：2001-01-30

申请号：US09019048

申请日：1998-02-05

申请人： Yasunori Nishida ,  Kenichiro Kami ,  Kenji Nakane ,  Hitoshi Miura

发明人： Yasunori Nishida ,  Kenichiro Kami ,  Kenji Nakane ,  Hitoshi Miura

IPC分类号： H01M216

CPC分类号： H01M4/13 ,  H01M4/139 ,  H01M4/62 ,  H01M10/052

摘要： A cathode for a lithium secondary battery wherein the surface of the cathode of which a composition containing a cathode active material, a conductive substance and a binder is supported on a current collector, is coated with at least one ion-permeable resin selected from resins having a temperature of deflection under load (measured at 18.6 kg/cm2 load according to JIS K 7207) not lower than 100 ° C., provide a lithium secondary battery with high energy density having improved safety.

摘要翻译： 一种用于锂二次电池的阴极，其中阴极的表面包含阴极活性材料，导电物质和粘合剂的组合物负载在集电器上，涂覆有至少一种离子可渗透树脂，其选自具有 负载下的挠曲温度（根据JIS K 7207测量为18.6kg / cm2负载）不低于100℃，提供了具有高能量密度的锂二次电池，具有改进的安全性。

公开(公告)号：US06730435B1

公开(公告)日：2004-05-04

申请号：US09690758

申请日：2000-10-18

申请人： Kenji Nakane ,  Yasunori Nishida ,  Hiroshi Ogawa ,  Yoshihiro Kawakami

发明人： Kenji Nakane ,  Yasunori Nishida ,  Hiroshi Ogawa ,  Yoshihiro Kawakami

IPC分类号： H01M438

CPC分类号： H01M4/131 ,  H01M4/02 ,  H01M4/0471 ,  H01M4/366 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M2004/021 ,  H01M2004/028 ,  Y10T29/49108

摘要： Provided is an active material for a non-aqueous secondary battery having improved safety while maintaining the capacity and the cycle characteristic, a process for producing the same, and a non-aqueous secondary battery using the same. The active material can be doped/undoped with an alkali metal ion; the active material is a compound particle comprising three or more of constituting elements, and contains an element A selected from Li, Na, K, Mg, Ca, Sr, Ba, B, Al, Ga, In, Si, Zr, Sn, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Ag and Zn as one of the constituting elements; the particle has a region where the concentration of element A is decreasing continuously in the direction of from the particle surface to the particle core; and the ratio (d/D) of the mean width (d) of this region towards the depth direction to the mean radius (D) of the particle is 0.001

摘要翻译： 本发明提供一种在维持容量和循环特性的同时提高安全性的非水二次电池用活性物质，其制造方法以及使用其的非水二次电池。 活性材料可以用碱金属离子掺杂/未掺杂; 活性物质是包含3种以上构成元素的复合粒子，含有选自Li，Na，K，Mg，Ca，Sr，Ba，B，Al，Ga，In，Si，Zr，Sn， Ti，V，Cr，Mn，Fe，Co，Ni，Cu，Ag和Zn作为构成要素之一; 颗粒具有其中元素A的浓度在从颗粒表面到颗粒芯的方向上连续减小的区域; 并且该区域的平均宽度（d）与颗粒的平均半径（D）的比值（d / D）为0.001

公开(公告)号：US20100255374A1

公开(公告)日：2010-10-07

申请号：US12745856

申请日：2008-12-04

申请人： Akiyoshi Nemoto ,  Kazuyuki Tanino ,  Kenji Nakane

发明人： Akiyoshi Nemoto ,  Kazuyuki Tanino ,  Kenji Nakane

IPC分类号： H01M4/525

CPC分类号： H01M4/505 ,  H01M2/1653 ,  H01M2/1686 ,  H01M4/131 ,  H01M4/525 ,  H01M6/164 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2004/021 ,  H01M2004/028 ,  H01M2300/0025 ,  H01M2300/0034 ,  H01M2300/0037

摘要： A nonaqueous electrolyte secondary battery comprising a positive electrode containing a granular positive electrode active material composed of a mixed metal oxide and an M3-containing compound (M3 represents one or more elements selected from the group consisting of Group 3B elements in the periodic table, and the M3-containing compound is different from said mixed metal oxide) placed in the form of particles or a layer on the surface of the mixed metal oxide, wherein the positive electrode active material has M1 (M1 represents one or more elements selected from the group consisting of alkali metal elements), M2 (M2 represents one or more elements selected from the group consisting of Mn, Fe, Co and Ni), M3 (M3 has the same meaning as that described above) and O on its surface, and when the molar ratio (M3/M2) of the number of M3 atoms (mol) to the number of M2 atoms (mol) on the surface of the positive electrode active material is represented by A and the BET specific surface area of the positive electrode active material is represented by S (m2/g), A and S satisfy the following formula (1): A/S≧1  (1), a negative electrode, a separator, and a nonaqueous electrolyte.

摘要翻译： 一种非水电解质二次电池，其包含含有由混合金属氧化物构成的粒状正极活性物质和含M3化合物的正极（M3表示选自周期表中的3B族元素的一种或多种元素，以及 含有M3的化合物不同于所述混合金属氧化物），其中所述正极活性物质具有M1（M1表示选自组中的一种或多种元素 由碱金属元素组成），M2（M2表示选自Mn，Fe，Co和Ni中的一种或多种元素），M3（M3具有与上述相同的含义）和O表面，当 正极活性物质表面的M3原子数（mol）与M2原子数（mol）的摩尔比（M3 / M2）由A表示，BET比表面积 正极活性物质由S（m2 / g）表示，A和S满足下式（1）：A /S≥1（1），负极，隔膜和非水电解质。

公开(公告)号：US09822015B2

公开(公告)日：2017-11-21

申请号：US13513885

申请日：2010-12-02

申请人： Satoshi Shimano ,  Kenji Nakane ,  Cedric Pitteloud ,  Kenji Takamori ,  Yuichiro Imanari

发明人： Satoshi Shimano ,  Kenji Nakane ,  Cedric Pitteloud ,  Kenji Takamori ,  Yuichiro Imanari

IPC分类号： H01M4/525 ,  H01M4/52 ,  H01M4/485 ,  H01M4/48 ,  C01G1/02 ,  H01M4/505 ,  C01G45/12 ,  C01G51/00 ,  C01G53/00

CPC分类号： C01G1/02 ,  C01G45/1228 ,  C01G51/50 ,  C01G53/50 ,  C01P2002/54 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/505 ,  H01M4/525

摘要： The present invention provides a method of producing a lithium mixed metal oxide, a lithium mixed metal oxide and a nonaqueous electrolyte secondary battery. The method includes a step of calcining a mixture of one or more compounds of M wherein M is one or more elements selected from the group consisting of nickel, cobalt and manganese, and a lithium compound, in the presence of one or more inactive fluxes selected from the group consisting of a fluoride of A, a chloride of A, a carbonate of A, a sulfate of A, a nitrate of A, a phosphate of A, a hydroxide of A, a molybdate of A and a tungstate of A, wherein A is one or more elements selected from the group consisting of Na, K, Rb, Cs, Ca, Mg, Sr and Ba. The lithium mixed metal oxide contains nickel, cobalt and manganese, has a BET specific surface area of from 3 m2/g to 15 m2/g, and has an average particle diameter within a range of 0.1 μm or more to less than 1 μm, the diameter determined by a laser diffraction scattering method.