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1.发明申请公开(公告)号：US20050142445A1
公开(公告)日：2005-06-30
申请号：US11068880
申请日：2005-03-02
IPC分类号： C01G51/00 , H01M4/52 , H01M4/525 , H01M10/052 , H01M10/0525 , H01M10/36 , H01M4/50 , C01G51/04
CPC分类号： H01M4/525 , B82Y30/00 , C01G51/42 , C01P2002/32 , C01P2002/52 , C01P2002/54 , C01P2002/60 , C01P2002/77 , C01P2002/88 , C01P2004/61 , C01P2004/62 , C01P2004/64 , C01P2006/12 , C01P2006/40 , C01P2006/80 , H01B1/02 , H01M4/485 , H01M10/052 , H01M10/0525 , Y10T428/2991
摘要： The present invention relates to cobalt oxide particles useful as a precursor of a cathode active material for a non-aqueous electrolyte secondary cell which is capable of showing a stable crystal structure by insertion reaction therein, and producing a non-aqueous electrolyte secondary cell having a high safety and especially a high heat stability, a process for producing the cobalt oxide particles, a cathode active material for a non-aqueous electrolyte secondary cell using the cobalt oxide particles, a process for producing the cathode active material, and a non-aqueous electrolyte secondary cell using the cathode active material.
摘要翻译： 本发明涉及可用作非水电解质二次电池用正极活性物质的前体的氧化钴颗粒，其能够通过其中的插入反应显示出稳定的晶体结构，并且制备具有 高安全性，特别是高热稳定性，制造氧化钴颗粒的方法，使用氧化钴颗粒的非水电解质二次电池用正极活性物质，正极活性物质的制造方法和非水性 使用正极活性物质的电解质二次电池。
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公开(公告)号：US6103213A
公开(公告)日：2000-08-15
申请号：US45542
申请日：1998-03-23
IPC分类号： C01G51/00 , H01M4/52 , H01M4/525 , H01M10/0525 , H01M10/36 , C01B13/14 , C01G49/00 , H01M6/14
CPC分类号： H01M10/0525 , B82Y30/00 , C01G51/04 , C01G51/42 , H01M4/525 , C01P2002/32 , C01P2002/72 , C01P2004/03 , C01P2004/51 , C01P2004/64 , C01P2006/10 , C01P2006/12
摘要： A process for producing lithium-cobalt oxide, comprises: mixing cobalt oxide having a BET specific surface area of 30 to 200 m.sup.2 /g or an average particle size of not more than 0.1 .mu.m, with a lithium compound; and calcining the obtained mixture at a temperature of 500 to 850.degree. C. Such a process for producing lithium-cobalt oxide particles is useful especially as a cathode active substance for lithium ion batteries, which particles can be produced by calcination in a short time, and have a narrow particle size distribution and a uniform small particle size.
摘要翻译： 一种生产锂钴氧化物的方法，包括：将具有30-200m 2 / g的BET比表面积或不大于0.1μm的平均粒径的氧化钴与锂化合物混合; 并在500〜850℃的温度下煅烧所得到的混合物。这种生产锂钴氧化物颗粒的方法特别用作锂离子电池用正极活性物质，该颗粒可以通过在短时间内煅烧来制备， 并且具有窄的粒度分布和均匀的小粒径。
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3.发明授权Process for producing acicular goethite particles and acicular magnetic iron oxide particles 失效制备针状针铁矿颗粒和针状磁性氧化铁颗粒的方法
公开(公告)号：US5399278A
公开(公告)日：1995-03-21
申请号：US22844
申请日：1993-02-25
申请人： Katsumi Yamashita , Tosiharu Harada , Haruki Kurokawa , Kazuhisa Inaba , Hideaki Sadamura , Tomohisa Moriya , Junichi Kawano
发明人： Katsumi Yamashita , Tosiharu Harada , Haruki Kurokawa , Kazuhisa Inaba , Hideaki Sadamura , Tomohisa Moriya , Junichi Kawano
CPC分类号： G11B5/70642 , B82Y30/00 , C01G49/06 , C01G49/08 , C01P2004/03 , C01P2004/10 , C01P2004/51 , C01P2004/54 , C01P2004/62 , C01P2004/64 , C01P2006/42
摘要： Disclosed herein are a process for producing acicular goethite particles comprising the steps of: blowing an oxygen-containing gas into a ferrous salt reaction solution containing colloidal ferrous hydroxide or iron-containing colloidal precipitates which is obtained by reacting an aqueous ferrous salt solution with less than one equivalent of an aqueous alkali hydroxide solution and/or an aqueous alkali carbonate solution based on Fe.sup.2 + in said aqueous ferrous salt solution so as to oxidize said colloidal ferrous hydroxide or iron-containing colloidal precipitates and to produce acicular goethite nucleus particles, adding to the resultant aqueous ferrous salt reaction solution containing said acicular goethite nucleus particles not less than one equivalent of an aqueous alkali carbonate solution based on Fe.sup.2 + in said aqueous ferrous salt reaction solution, and blowing an oxygen-containing gas into the mixed aqueous ferrous salt reaction solution so as to grow said goethite nucleus particles; and a process for producing acicular magnetic iron oxide particles by reducing the acicular goethite particles obtained in the above process to produce acicular magnetite particles, and if necessary, oxidizing the acicular magnetite particles to obtain acicular maghemite particles, and if necessary, modifying the acicular magnetite or maghemite particles with Co or Co and Fe.sup.2 +.
摘要翻译： 本文公开了一种制备针状针铁矿颗粒的方法，包括以下步骤：将含氧气体吹入含有胶态氢氧化亚铁或含铁胶体沉淀物的亚铁盐反应溶液中，该溶液通过使亚铁盐水溶液与小于 1当量碱金属氢氧化物水溶液和/或基于Fe2 +的碱金属碳酸盐水溶液，在所述含水亚铁盐水溶液中氧化所述胶态氢氧化亚铁或含铁胶体沉淀物，并生成针状针铁矿颗粒，加入到 得到含有所述针状针铁矿颗粒的所述含水亚铁盐反应溶液，其含量不低于所述含水亚铁盐反应溶液中基于Fe2 +的碱金属碳酸盐水溶液的1当量，并将含氧气体吹入混合的含水亚铁盐溶液中， 成长为针铁矿核心部分 粒子 以及通过将上述方法中得到的针状针铁矿粒子还原而制造针状磁性氧化铁粒子的方法，制造针状磁铁矿粒子，根据需要，根据需要氧化针状磁铁矿粒子，得到针状磁赤铁矿粒子，根据需要，对针状磁铁矿 或具有Co或Co和Fe2 +的磁赤铁矿颗粒。
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公开(公告)号：US10161057B2
公开(公告)日：2018-12-25
申请号：US14007732
申请日：2011-12-26
申请人： Hiroyasu Watanabe , Daisuke Morita , Manabu Yamamoto , Kazumichi Koga , Akihisa Kajiyama , Hiroaki Masukuni , Hideaki Sadamura , Ryuta Masaki , Kazutoshi Matsumoto
发明人： Hiroyasu Watanabe , Daisuke Morita , Manabu Yamamoto , Kazumichi Koga , Akihisa Kajiyama , Hiroaki Masukuni , Hideaki Sadamura , Ryuta Masaki , Kazutoshi Matsumoto
IPC分类号： H01M4/48 , H01M4/52 , H01M4/525 , C30B1/10 , C01G45/12 , C01G51/00 , C01G53/00 , H01M4/505 , C30B1/02
摘要： The present invention provides a precursor of positive electrode active substance particles for non-aqueous electrolyte secondary batteries which have a high discharge voltage and a high discharge capacity, hardly suffer from side reactions with an electrolyte solution, and are excellent in cycle characteristics, positive electrode active substance particles for non-aqueous electrolyte secondary batteries, and processes for producing these particles, and a non-aqueous electrolyte secondary battery. The present invention relates to positive electrode active substance particles for non-aqueous electrolyte secondary batteries having a spinel structure with a composition represented by the following chemical formula (1), in which the positive electrode active substance particles satisfy the following characteristic (A) and/or characteristic (B) when indexed with Fd−3m in X-ray diffraction thereof: (A) when indexed with Fd−3m in X-ray diffraction of the positive electrode active substance particles, a ratio of I(311) to I(111) [I(311)/I(111)] is in the range of 35 to 43%, and/or (B) when indexed with Fd−3m in X-ray diffraction of the positive electrode active substance particles, a gradient of a straight line determined by a least square method in a graph prepared by plotting sin θ in an abscissa thereof and B cos θ in an ordinate thereof wherein B is a full-width at half maximum with respect to each peak position 2θ (10 to 90°) is in the range of 3.0×10−4 to 20.0×10−4; and Li1+xMn2−y−zNiyMzO4 Chemical Formula (1) wherein x, y, z fall within the range of −0.05≤x≤0.15, 0.4≤y≤0.6 and 0≤z≤0.20, respectively; and M is at least one element selected from the group consisting of Mg, Al, Si, Ca, Ti, Co, Zn, Sb, Ba, W and Bi.
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公开(公告)号：US09764962B2
公开(公告)日：2017-09-19
申请号：US14111590
申请日：2012-04-12
CPC分类号： C01D15/02 , C01G53/42 , C01G53/50 , C01P2002/52 , C01P2004/04 , C01P2004/61 , C01P2006/12 , C01P2006/80 , H01M4/505 , H01M4/525
摘要： The present invention provides lithium composite compound particles having good high-temperature storage property and excellent cycle characteristics as an active substance for a non-aqueous electrolyte secondary battery, and a secondary battery using the lithium composite compound particles. The Li—Ni composite oxide particles for a non-aqueous electrolyte secondary battery according to the present invention have a BET specific surface area of 0.05 to 0.8 m2/g; an atomic ratio (Ma/Ni) of a concentration of an amphoteric metal to a concentration of Ni on an outermost surface of the respective Li—Ni composite oxide particles is 2 to 6; and the concentration of the amphoteric metal on the outermost surface of the respective Li—Ni composite oxide particles is higher than a concentration of the amphoteric metal at a position spaced by 50 nm from the outermost surface toward a center of the respective Li—Ni composite oxide particles.
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6.发明授权公开(公告)号：US07192539B2
公开(公告)日：2007-03-20
申请号：US11359394
申请日：2006-02-23
IPC分类号： H01B1/08
CPC分类号： H01M4/525 , B82Y30/00 , C01G51/42 , C01P2002/32 , C01P2002/52 , C01P2002/54 , C01P2002/60 , C01P2002/77 , C01P2002/88 , C01P2004/61 , C01P2004/62 , C01P2004/64 , C01P2006/12 , C01P2006/40 , C01P2006/80 , H01B1/02 , H01M4/485 , H01M10/052 , H01M10/0525 , Y10T428/2991
摘要： The present invention relates to cobalt oxide particles useful as a precursor of a cathode active material for a non-aqueous electrolyte secondary cell which is capable of showing a stable crystal structure by insertion reaction therein, and producing a non-aqueous electrolyte secondary cell having a high safety and especially a high heat stability, a process for producing the cobalt oxide particles, a cathode active material for a non-aqueous electrolyte secondary cell using the cobalt oxide particles, a process for producing the cathode active material, and a non-aqueous electrolyte secondary cell using the cathode active material.
摘要翻译： 本发明涉及可用作非水电解质二次电池用正极活性物质的前体的氧化钴颗粒，其能够通过其中的插入反应显示出稳定的晶体结构，并且制备具有 高安全性，特别是高热稳定性，制造氧化钴颗粒的方法，使用氧化钴颗粒的非水电解质二次电池用正极活性物质，正极活性物质的制造方法和非水性 使用正极活性物质的电解质二次电池。
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7.发明授权
公开(公告)号：US5648014A
公开(公告)日：1997-07-15
申请号：US569764
申请日：1995-12-08
申请人： Mitsuaki Hatatani , Osamu Okimoto , Toshitada Shigemura , Yoshifumi Fukuhara , Hideaki Sadamura
发明人： Mitsuaki Hatatani , Osamu Okimoto , Toshitada Shigemura , Yoshifumi Fukuhara , Hideaki Sadamura
CPC分类号： H01F1/112 , G11B5/70647 , G11B5/70689 , Y10T428/2991
摘要： Acicular magnetic iron oxide particles comprise:acicular magnetite particles having 10 to 24% by weight of ferrous as core particles;a magnetite coating which is formed on the surfaces of said acicular magnetite particles by epitaxial growth and which has maghemite at least in a part of the surface of said magnetite coating; anda cobalt-containing oxide layer which is formed on said magnetite coating and which contains cobalt of 1.5 to 2.5 wt % based on the total weight of said acicular magnetic iron oxide particles.
摘要翻译： 针状磁性氧化铁颗粒包括：具有10至24重量％的作为核心颗粒的亚铁的针状磁铁矿颗粒; 磁铁矿涂层，其通过外延生长形成在所述针状磁铁矿颗粒的表面上，并且至少在所述磁铁矿涂层的表面的一部分中具有磁赤铁矿; 以及形成在所述磁铁矿涂层上并含有基于所述针状磁性氧化铁颗粒的总重量为1.5至2.5重量％的钴的含钴氧化物层。
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8.发明申请LI-NI COMPOSITE OXIDE PARTICLES AND PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY 有权LI-NI复合氧化物颗粒及其制造方法和非水电解质二次电池公开(公告)号：US20140087262A1
公开(公告)日：2014-03-27
申请号：US14111590
申请日：2012-04-12
CPC分类号： C01D15/02 , C01G53/42 , C01G53/50 , C01P2002/52 , C01P2004/04 , C01P2004/61 , C01P2006/12 , C01P2006/80 , H01M4/505 , H01M4/525
摘要： The present invention provides lithium composite compound particles having good high-temperature storage property and excellent cycle characteristics as an active substance for a non-aqueous electrolyte secondary battery, and a secondary battery using the lithium composite compound particles. The Li—Ni composite oxide particles for a non-aqueous electrolyte secondary battery according to the present invention have a BET specific surface area of 0.05 to 0.8 m2/g; an atomic ratio (Ma/Ni) of a concentration of an amphoteric metal to a concentration of Ni on an outermost surface of the respective Li—Ni composite oxide particles is 2 to 6; and the concentration of the amphoteric metal on the outermost surface of the respective Li—Ni composite oxide particles is higher than a concentration of the amphoteric metal at a position spaced by 50 nm from the outermost surface toward a center of the respective Li—Ni composite oxide particles.
摘要翻译： 本发明提供了作为非水电解质二次电池的活性物质和使用该锂复合化合物粒子的二次电池，具有良好的高温保存性和优异的循环特性的锂复合化合物粒子。 本发明的非水电解质二次电池用Li-Ni复合氧化物粒子的BET比表面积为0.05〜0.8m 2 / g， Li-Ni复合氧化物粒子的最外表面的两性金属的浓度相对于Ni的浓度的原子比（Ma / Ni）为2〜6， 并且各Li-Ni复合氧化物粒子的最表面上的两性金属的浓度高于距离最外表面朝向Li-Ni复合物的中心间隔50nm的位置处的两性金属的浓度 氧化物颗粒。
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9.发明申请公开(公告)号：US20140045068A1
公开(公告)日：2014-02-13
申请号：US14007430
申请日：2012-03-22
CPC分类号： C01D15/02 , C01G53/50 , C01P2002/52 , C01P2002/72 , C01P2002/74 , H01M4/505 , H01M4/525 , Y02E60/122 , Y02P70/54
摘要： The present invention provides positive electrode active substance particles which are improved in charge/discharge capacities, cycle characteristics and thermal stability. The positive electrode active substance particles according to the present invention comprise a compound having at least a crystal system belonging to a space group of R-3m and a crystal system belonging to a space group of C2/m and having a specific peak intensity ratio, in which a content of Mn in the compound is controlled such that a molar ratio of Mn/(Ni+Co+Mn) therein is not less than 0.55; a content of boron in the compound is 0.01 to 1% by weight; a content of fluorine in the compound is 0.01 to 5% by weight; and a content of an element A (at least one element selected from the group consisting of Al, Mg, Ti, Zr, Ca, Fe, Zn, Mo and Bi) in the compound is 0.004 to 9% by weight, and can be produced by calcining a mixture comprising precursor particles comprising Mn and Ni and/or Co, a lithium compound, a boron compound, a fluorine compound and a compound of the element A.
摘要翻译： 本发明提供了充电/放电容量，循环特性和热稳定性提高的正极活性物质颗粒。 根据本发明的正极活性物质颗粒包含至少具有属于R-3m的空间群的晶体系的化合物和属于C2 / m的空间群并具有特定峰强度比的晶体系， 其中控制化合物中Mn含量使得其中Mn /（Ni + Co + Mn）的摩尔比不小于0.55; 化合物中的硼含量为0.01〜1重量％ 化合物中的氟含量为0.01〜5重量％ 化合物中的元素A（选自Al，Mg，Ti，Zr，Ca，Fe，Zn，Mo和Bi中的至少一种元素）的含量为0.004〜9重量％，可以为 通过煅烧包含Mn和Ni和/或Co的前体颗粒，锂化合物，硼化合物，氟化合物和元素A的化合物的混合物来制备。
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10.发明申请公开(公告)号：US20120217435A1
公开(公告)日：2012-08-30
申请号：US13497628
申请日：2010-09-28
申请人： Manabu Yamamoto , Daisuke Nishikawa , Kazutoshi Ishizaki , Kazuhiko Kikuya , Teruaki Santoki , Osamu Sasaki , Hideaki Sadamura
发明人： Manabu Yamamoto , Daisuke Nishikawa , Kazutoshi Ishizaki , Kazuhiko Kikuya , Teruaki Santoki , Osamu Sasaki , Hideaki Sadamura
CPC分类号： C01G51/50 , B82Y30/00 , C01G45/1228 , C01G51/42 , C01G53/42 , C01G53/50 , C01P2002/52 , C01P2002/72 , C01P2002/74 , C01P2002/76 , C01P2004/61 , C01P2004/62 , C01P2004/64 , C01P2006/12 , C01P2006/40 , C01P2006/80 , H01M4/505 , H01M4/525 , Y02E60/122 , Y02P70/54
摘要： The present invention relates to positive electrode active substance particles comprising a compound having at least a crystal system belonging to a space group of R−3m and a crystal system belonging to a space group of C2/m, and boron, wherein the compound is a composite oxide comprising at least Li, Mn, and Co and/or Ni; a relative intensity ratio [(a)/(b)] of a maximum diffraction peak intensity (a) observed at 2θ=20.8±1° in a powder X-ray diffraction pattern of the positive electrode active substance as measured using a Cu-Ka ray to a maximum diffraction peak intensity (b) observed at 2θ=18.6±1° in the powder X-ray diffraction pattern, is 0.02 to 0.5; a content of Mn in the positive electrode active substance particles is controlled such that a molar ratio of Mn/(Ni+Co+Mn) therein is not less than 0.55; and the positive electrode active substance particles comprise the boron in an amount of 0.001 to 3% by weight. The positive electrode active substance particles of the present invention are produced by calcining a mixture comprising precursor particles comprising Mn, and Ni and/or Co, a lithium compound and a boron compound at a temperature of 500 to 1500° C. The positive electrode active substance particles of the present invention can provide a secondary battery which can be improved in charge/discharge capacity and cycle characteristics.
摘要翻译： 本发明涉及包含至少具有属于R-3m的空间群的晶体系的化合物和属于C2 / m的空间群的晶体系的化合物和硼的正极活性物质颗粒，其中所述化合物为 至少包含Li，Mn和Co和/或Ni的复合氧化物; 在使用Cu测定的正极活性物质的粉末X射线衍射图中，在2θ观察到的最大衍射峰强度（a）的相对强度比[（a）/（b）] = 20.8±1° -Ka射线在粉末X射线衍射图中在2θ观察到的最大衍射峰强度（b）= 18.6±1°，为0.02〜0.5; 控制正极活性物质粒子中的Mn含量使得其中Mn /（Ni + Co + Mn）的摩尔比不小于0.55; 正极活性物质粒子含有0.001〜3重量％的硼。 本发明的正极活性物质颗粒是通过在500〜1500℃的温度下煅烧包含Mn，Ni和/或Co的前体颗粒，锂化合物和硼化合物的混合物来制造的。正极活性物质 本发明的物质颗粒可以提供可以提高充电/放电容量和循环特性的二次电池。
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