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    Positive electrode active material for lithium secondary battery and use thereof
    1.
    发明授权
    Positive electrode active material for lithium secondary battery and use thereof 有权
    锂二次电池用正极活性物质及其用途

    公开(公告)号：US08986570B2

    公开(公告)日：2015-03-24

    申请号：US13514624

    申请日：2009-12-14

    申请人： Hiroki Nagai ,  Hidekazu Hiratsuka

    发明人： Hiroki Nagai ,  Hidekazu Hiratsuka

    IPC分类号： H01M4/88 ,  H01M4/505 ,  H01M4/525

    CPC分类号： H01M4/505 ,  H01M4/525 ,  Y02E60/122 ,  Y02P70/54

    摘要： The present invention discloses a method for producing a positive electrode active material for a lithium secondary battery constituted by a lithium-nickel-cobalt-manganese complex oxide with a lamellar structure, the method including: (1) a step of preparing a starting source material for producing the complex oxide including a lithium supply source, a nickel supply source, a cobalt supply source, and a manganese supply source; (2) a step of pre-firing the starting source material by heating at a pre-firing temperature that has been set to a temperature lower than 800° C. and higher than a melting temperature of the lithium supply source; and (3) a step of firing the pre-fired material obtained in the pre-firing step by raising a temperature to a temperature range higher than the pre-firing temperature.

    摘要翻译： 本发明公开了一种由具有层状结构的锂镍钴锰复合氧化物构成的锂二次电池用正极活性物质的制造方法，该方法包括：（1）制备起始原料的步骤 用于生产包括锂供应源，镍供应源，钴供应源和锰供应源的复合氧化物; （2）通过在设定为低于800℃且高于锂供应源的熔融温度的预焙烧温度下进行加热来预焙烧起始原料的步骤; 和（3）通过将温度升高到比预烧温度高的温度范围，烧制在预烧制步骤中获得的预烧材料的步骤。

    Method of evaluating positive electrode active material
    2.
    发明授权
    Method of evaluating positive electrode active material 有权
    正极活性物质的评价方法

    公开(公告)号：US08765007B2

    公开(公告)日：2014-07-01

    申请号：US13521241

    申请日：2010-01-15

    申请人： Hiroki Nagai ,  Hidekazu Hiratsuka

    发明人： Hiroki Nagai ,  Hidekazu Hiratsuka

    IPC分类号： H01M4/02 ,  H01M4/13

    CPC分类号： H01M4/13 ,  H01M4/139 ,  H01M2004/021 ,  H01M2004/028 ,  H01M2010/4292

    摘要： A method of evaluating a positive electrode active material has a density ratio-determining step of determining a ratio of an apparent density Da of the positive electrode active material to a theoretical density Db of the positive electrode active material. For example, when the positive electrode active material contains no closed space in the positive electrode active material, such as closed pores of the positive electrode active material, the ratio (Da/Db) of the apparent density Da of the positive electrode active material to the theoretical density Db of the positive electrode active material will be a value close to 1; however, the more the closed space such as the closed pores exists in the positive electrode active material, the smaller the ratio (Da/Db). Thus, the ratio (Da/Db) can serve as an indicator for measuring the degree of density of the positive electrode active material.

    摘要翻译： 正极活性物质的评价方法具有确定正极活性物质的表观密度Da与正极活性物质的理论密度Db的比的密度比判定步骤。 例如，在正极活性物质在正极活性物质的闭孔等正极活性物质中不含有封闭空间的情况下，正极活性物质的表观密度Da的比（Da / Db） 正极活性物质的理论密度Db为接近1的值; 然而，正极活性物质中存在闭孔的封闭空间越多，比率（Da / Db）越小。 因此，比率（Da / Db）可以用作测量正极活性物质的密度的指标。

    METHOD OF EVALUATING POSITIVE ELECTRODE ACTIVE MATERIAL
    3.
    发明申请
    METHOD OF EVALUATING POSITIVE ELECTRODE ACTIVE MATERIAL 有权
    评价活性电极活性材料的方法

    公开(公告)号：US20130047721A1

    公开(公告)日：2013-02-28

    申请号：US13521241

    申请日：2010-01-15

    申请人： Hiroki Nagai ,  Hidekazu Hiratsuka

    发明人： Hiroki Nagai ,  Hidekazu Hiratsuka

    IPC分类号： G01N9/00

    CPC分类号： H01M4/13 ,  H01M4/139 ,  H01M2004/021 ,  H01M2004/028 ,  H01M2010/4292

    摘要： A method of evaluating a positive electrode active material has a density ratio-determining step of determining a ratio of an apparent density Da of the positive electrode active material to a theoretical density Db of the positive electrode active material. For example, when the positive electrode active material contains no closed space in the positive electrode active material, such as closed pores of the positive electrode active material, the ratio (Da/Db) of the apparent density Da of the positive electrode active material to the theoretical density Db of the positive electrode active material will be a value close to 1; however, the more the closed space such as the closed pores exists in the positive electrode active material, the smaller the ratio (Da/Db). Thus, the ratio (Da/Db) can serve as an indicator for measuring the degree of density of the positive electrode active material.

    摘要翻译： 正极活性物质的评价方法具有确定正极活性物质的表观密度Da与正极活性物质的理论密度Db的比的密度比判定步骤。 例如，在正极活性物质在正极活性物质的闭孔等正极活性物质中不含有封闭空间的情况下，正极活性物质的表观密度Da的比（Da / Db） 正极活性物质的理论密度Db为接近1的值; 然而，正极活性物质中存在闭孔的封闭空间越多，比率（Da / Db）越小。 因此，比率（Da / Db）可以用作测量正极活性物质的密度的指标。

    POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND USE THEREOF
    5.
    发明申请
    POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND USE THEREOF 有权
    用于锂二次电池的正极电极活性材料及其用途

    公开(公告)号：US20120248388A1

    公开(公告)日：2012-10-04

    申请号：US13514624

    申请日：2009-12-14

    申请人： Hiroki Nagai ,  Hidekazu Hiratsuka

    发明人： Hiroki Nagai ,  Hidekazu Hiratsuka

    IPC分类号： H01B1/08

    CPC分类号： H01M4/505 ,  H01M4/525 ,  Y02E60/122 ,  Y02P70/54

    摘要： The present invention discloses a method for producing a positive electrode active material for a lithium secondary battery constituted by a lithium-nickel-cobalt-manganese complex oxide with a lamellar structure, the method including: (1) a step of preparing a starting source material for producing the complex oxide including a lithium supply source, a nickel supply source, a cobalt supply source, and a manganese supply source; (2) a step of pre-firing the starting source material by heating at a pre-firing temperature that has been set to a temperature lower than 800° C. and higher than a melting temperature of the lithium supply source; and (3) a step of firing the pre-fired material obtained in the pre-firing step by raising a temperature to a temperature range higher than the pre-firing temperature.

    摘要翻译： 本发明公开了一种由具有层状结构的锂镍钴锰复合氧化物构成的锂二次电池用正极活性物质的制造方法，该方法包括：（1）制备起始原料的步骤 用于生产包括锂供应源，镍供应源，钴供应源和锰供应源的复合氧化物; （2）通过在设定为低于800℃且高于锂供应源的熔融温度的预焙烧温度下进行加热来预焙烧起始原料的步骤; 和（3）通过将温度升高到比预烧温度高的温度范围，烧制在预烧制步骤中获得的预烧材料的步骤。

    Alkaline battery
    7.
    发明授权
    Alkaline battery 失效
    碱性电池

    公开(公告)号：US07771873B2

    公开(公告)日：2010-08-10

    申请号：US11440160

    申请日：2006-05-25

    申请人： Jun Nunome ,  Yuji Mototani ,  Hidekazu Hiratsuka ,  Shigeru Hanaoka

    发明人： Jun Nunome ,  Yuji Mototani ,  Hidekazu Hiratsuka ,  Shigeru Hanaoka

    IPC分类号： H01M4/50

    CPC分类号： H01M4/50 ,  H01M6/08

    摘要： In an alkaline battery including a cathode mixture including gamma-manganese dioxide and lambda-manganese dioxide, an anode, and an alkaline electrolyte, the weight ratio of the lambda-manganese dioxide to the gamma-manganese dioxide is set to 0.5/100 to 4.5/100, and the average particle size of the lambda-manganese dioxide is set to 3 to 10 μm. An alkaline battery excellent in high-load discharge performance without decline in low-load discharge performance is provided.

    摘要翻译： 在包括γ-二氧化锰和二氧化锰，阴极和碱性电解质的阴极混合物的碱性电池中，将λ-二氧化锰与γ-二氧化锰的重量比设定为0.5 / 100〜4.5 / 100，λ-二氧化锰的平均粒径为3〜10μm。 提供了一种具有优异的高负载放电性能而不降低低负载放电性能的碱性电池。

    Production method of positive electrode active material for non-aqueous electrolyte secondary battery and positive electrode active material
    9.
    发明授权
    Production method of positive electrode active material for non-aqueous electrolyte secondary battery and positive electrode active material 有权
    非水电解质二次电池用正极活性物质和正极活性物质的制造方法

    公开(公告)号：US07410511B2

    公开(公告)日：2008-08-12

    申请号：US10636642

    申请日：2003-08-08

    申请人： Yoshiyuki Ozaki ,  Yasutaka Kogetsu ,  Takaya Saito ,  Hidekazu Hiratsuka

    发明人： Yoshiyuki Ozaki ,  Yasutaka Kogetsu ,  Takaya Saito ,  Hidekazu Hiratsuka

    IPC分类号： H01M6/14 ,  H01M4/52

    CPC分类号： C01G53/42 ,  C01P2002/20 ,  C01P2002/52 ,  C01P2004/03 ,  C01P2004/32 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/0471 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/525 ,  Y10T29/49108

    摘要： A positive electrode active material, which gives a non-aqueous electrolyte secondary battery capable of high input/output where resistance due to a battery reaction in a low temperature environment is suppressed, is produced by a method comprising: (a)providing a nickel hydroxide which is represented by the general formula Ni1−(x+y)CoxMy(OH)2, (b)heating the nickel hydroxide at a temperature not lower than 600° C. and not higher than 1000° C. to produce a nickel oxide which is represented by the general formula Ni1−(x+y)CoxMyO; and (c)mixing the nickel oxide and a lithium compound to obtain a mixture and heating the mixture at a temperature not lower than 700° C. and not higher than 850° C. to produce a lithium-containing composite oxide which is represented by the general formula LiNi1−(x+y)CoxMyO2, where 0.1≦x≦0.35 and 0.03≦y≦0.2 are satisfied and M is at least one selected from the group consisting of Al, Ti and Sn.

    摘要翻译： 通过以下方法制造正极活性物质，该正极活性物质通过以下方法制备能够抑制由于电池反应在低温环境中引起的电阻而具有高输入/输出能力的非水电解质二次电池：（a）提供氢氧化镍 其由下列通式表示：Ni 1 - （x + y）2（x）y（x）y（OH）2＆lt; >，（b）在不低于600℃且不高于1000℃的温度下加热氢氧化镍以产生由通式Ni 1-（x + y）表示的氧化镍， Co x;;;;;;;;;;;;;;;;;;;;;;;;;;;;; 和（c）将氧化镍和锂化合物混合以获得混合物，并在不低于700℃且不高于850℃的温度下加热该混合物，以制备由下式表示的含锂复合氧化物： 通式为LiNi 1 - （x + y）2 O x O 2 O 2，其中0.1 <= x <= 0.35和0.03 <= y <= 0.2，M为选自Al，Ti和Sn中的至少一种。