公开(公告)号：US07429435B2

公开(公告)日：2008-09-30

申请号：US10394049

申请日：2003-03-24

申请人： Kenji Nakane ,  Hiroshi Inukai

发明人： Kenji Nakane ,  Hiroshi Inukai

IPC分类号： H01M4/58 ,  H01M6/00

CPC分类号： H01M4/505 ,  H01M4/0471 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028 ,  Y10T29/49108

摘要： There is provided a simple and easy method of preparation of a positive electrode active material for a non-aqueous secondary battery which comprises a compound comprising lithium, nickel and manganese and having a layered structure. Said method comprises firing a mixture of (1) at least one member selected from the group consisting of dinickel trioxide and boron compounds and (2) one or more metal compounds comprising lithium, nickel and manganese as their metal elements.

摘要翻译： 提供了一种制备用于非水二次电池的正极活性材料的简单和容易的方法，其包括包含锂，镍和锰并具有层状结构的化合物。 所述方法包括焙烧（1）选自三氧化二铁和硼化合物中的至少一种的混合物和（2）一种或多种包含锂，镍和锰的金属化合物作为它们的金属元素。

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：US08486159B2

公开(公告)日：2013-07-16

申请号：US12651578

申请日：2010-01-04

申请人： Ryoji Kanno ,  Masaaki Hirayama ,  Takayuki Kaneko ,  Yuichiro Imanari ,  Kenji Nakane

发明人： Ryoji Kanno ,  Masaaki Hirayama ,  Takayuki Kaneko ,  Yuichiro Imanari ,  Kenji Nakane

IPC分类号： H01M4/82 ,  H01M4/13

CPC分类号： H01M4/505 ,  C01G45/125 ,  C01G51/42 ,  C01G53/42 ,  C01P2002/72 ,  C01P2006/40 ,  H01M4/525 ,  H01M10/052 ,  Y10T29/49108

摘要： The object of the present invention is to provide a method for producing simply a positive electrode active material which can further increase charge-discharge capacity of secondary batteries when the positive electrode active material is used for positive electrode of secondary batteries, particularly non-aqueous electrolyte secondary batteries. A method for producing a positive electrode active material includes the step of heat-treating a lithium mixed metal oxide represented by the formula Li2MO3 in the presence of a hydride wherein M is at least one element selected from the group consisting of Ti, V, Mn, Fe, Co and Ni.

摘要翻译： 本发明的目的是提供一种简单地制造正极活性物质的方法，当正极活性物质用于二次电池的正极时，特别是非水电解质，可以进一步提高二次电池的充放电容量 二次电池 一种正极活性物质的制造方法，其特征在于，在氢化物存在下，对由式Li2MO3表示的锂复合金属氧化物进行热处理的步骤，其中M为选自Ti，V，Mn ，Fe，Co和Ni。

公开(公告)号：US20120244413A1

公开(公告)日：2012-09-27

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： H01M4/485 ,  H01M4/58 ,  H01M4/1315 ,  H01M2/16 ,  H01M4/505 ,  H01M4/525

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.

摘要翻译： 本发明提供锂复合金属氧化物，锂复合金属氧化物和非水电解质二次电池的制造方法。 该方法包括在选择的一种或多种不活泼的助焊剂的存在下煅烧一种或多种M的化合物的混合物的步骤，其中M是选自镍，钴和锰的一种或多种元素和锂化合物 由A的氟化物，A的氯化物，A的碳酸盐，A的硫酸盐，A的硝酸盐，A的磷酸盐，A的氢氧化物，A的钼酸盐和A的钨酸盐组成的组， 其中A是选自Na，K，Rb，Cs，Ca，Mg，Sr和Ba中的一种或多种元素。 所述锂复合金属氧化物含有镍，钴和锰，BET比表面积为3m 2 / g〜15m 2 / g，平均粒径为0.1μm以上且小于1μm以下， 直径由激光衍射散射法确定。

公开(公告)号：US07811478B2

公开(公告)日：2010-10-12

申请号：US12282049

申请日：2007-03-12

申请人： Takashi Yoshida ,  Kenji Nakane

发明人： Takashi Yoshida ,  Kenji Nakane

IPC分类号： H01B1/02 ,  H01B1/08 ,  H01M4/00

CPC分类号： H01M4/131 ,  H01M4/02 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M2004/021 ,  H01M2004/028

摘要： The present invention provides a positive-electrode active material powder, which comprises a granular material (A) capable of doping/dedoping lithium ions and a deposit (B) placed on the surface of the material in a granular or layered form (herein, the material (A) and the deposit (B) are not the same), the percentage of [volumetric sum of particles having a particle diameter of 1 μm or less]/[volumetric sum of entire particles] being 5% or less.

摘要翻译： 本发明提供一种正极活性物质粉末，其包含可以掺杂/去掺杂锂离子的颗粒材料（A）和以粒状或分层形式放置在材料表面上的沉积物（B） 材料（A）和沉积物（B）不相同），[粒径为1μm以下的颗粒的体积总和] / [整个颗粒的体积总和]的百分比为5％以下。

公开(公告)号：US20090008602A1

公开(公告)日：2009-01-08

申请号：US12282049

申请日：2007-03-12

申请人： Takashi Yoshida ,  Kenji Nakane

发明人： Takashi Yoshida ,  Kenji Nakane

IPC分类号： H01M4/88 ,  H01M4/00

CPC分类号： H01M4/131 ,  H01M4/02 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M2004/021 ,  H01M2004/028

摘要： The present invention provides a positive-electrode active material powder, which comprises a granular material (A) capable of doping/dedoping lithium ions and a deposit (B) placed on the surface of the material in a granular or layered form (herein, the material (A) and the deposit (B) are not the same), the percentage of [volumetric sum of particles having a particle diameter of 1 μm or less]/[volumetric sum of entire particles] being 5% or less.

摘要翻译： 本发明提供一种正极活性物质粉末，其包含可以掺杂/去掺杂锂离子的颗粒材料（A）和以粒状或分层形式放置在材料表面上的沉积物（B） 材料（A）和沉积物（B）不相同），[粒径为1μm或更小的颗粒的体积总和] / [整个颗粒的体积总和]的百分比为5％以下。

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：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：US5496513A

公开(公告)日：1996-03-05

申请号：US984199

申请日：1992-12-02

申请人： Kenji Nakane ,  Tetsu Umeda ,  Masahide Mohri

发明人： Kenji Nakane ,  Tetsu Umeda ,  Masahide Mohri

IPC分类号： C04B35/113 ,  C04B35/119 ,  C04B35/65 ,  B22F3/16

CPC分类号： C04B35/65 ,  C04B35/113 ,  C04B35/119

摘要： A method of preparing dense sintered bodies of beta alumina suitable for solid electrolytes, which comprises preparing a shaped body from a mixture containing an aluminum powder, a sodium compound, a structure stabilizer and a zirconia powder or from a mixture containing an aluminum powder, an alumina powder, a sodium compound, a structure stabilizer and a zirconia powder, and reaction-sintering the shaped body.

摘要翻译： 一种制备适用于固体电解质的β氧化铝的致密烧结体的方法，其包括由含有铝粉末，钠化合物，结构稳定剂和氧化锆粉末的混合物或从含有铝粉末， 氧化铝粉末，钠化合物，结构稳定剂和氧化锆粉末，并对成形体进行反应烧结。