公开(公告)号：US08101143B2

公开(公告)日：2012-01-24

申请号：US11529301

申请日：2006-09-29

申请人： Takeshi Kawasato ,  Megumi Uchida ,  Toshiaki Abe ,  Naoshi Saito ,  Manabu Suhara

发明人： Takeshi Kawasato ,  Megumi Uchida ,  Toshiaki Abe ,  Naoshi Saito ,  Manabu Suhara

IPC分类号： H01M4/58 ,  H01M4/50 ,  H01M4/52 ,  C01D15/00

CPC分类号： H01M4/525 ,  C01G45/1228 ,  C01G51/42 ,  C01G53/42 ,  C01P2002/52 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/1315 ,  H01M4/485 ,  H01M4/505 ,  H01M10/052

摘要： A process for producing a lithium-containing composite oxide for a positive electrode active material for use in a lithium secondary battery, the oxide having the formula LipNxMmOzFa (wherein N is at least one element selected from the group consisting of Co, Mn and Ni, M is at least one element selected from the group consisting of Al, alkaline earth metal elements and transition metal elements other than N, 0.9≦p≦1.2, 0.9≦x

摘要翻译： 一种锂二次电池用正极活性物质的含锂复合氧化物的制造方法，其特征在于，具有式LiNiMMOzFa（其中，N为选自Co，Mn，Ni， M是选自Al，碱土金属元素和除N之外的过渡金属元素中的至少一种元素，0.9和nlE; p

公开(公告)号：US20090017383A1

公开(公告)日：2009-01-15

申请号：US12175652

申请日：2008-07-18

申请人： Manabu SUHARA ,  Naoshi SAITOH ,  Kazushige HORICHI ,  Megumi UCHIDA

发明人： Manabu SUHARA ,  Naoshi SAITOH ,  Kazushige HORICHI ,  Megumi UCHIDA

IPC分类号： H01M4/40

CPC分类号： H01M4/1315 ,  C01G51/006 ,  C01G51/42 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2004/03 ,  C01P2004/32 ,  C01P2004/45 ,  C01P2004/51 ,  C01P2004/54 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/485 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0565 ,  H01M2004/021

摘要： A positive electrode active material for a lithium secondary battery containing a lithium-cobalt composite oxide, which has a large volume capacity density, has a high safety and is excellent in charge and discharge cyclic durability, and its production process, are provided.A lithium-cobalt composite oxide represented by the formula LipCoxMyOzFa (wherein M is a transition metal element other than Co or an alkaline earth metal element, 0.9≦p≦1.1, 0.980≦x≦1.000, 0≦y≦0.02, 1.9≦z≦2.1, x+y=1 and 0≦a≦0.02) and comprising a mixture containing substantially spherical hard first particles of lithium-cobalt composite oxide having such a sharp particle size distribution that the volume basis cumulative size D10 is at least 50% of the average particle size D50, and the volume basis cumulative size D90 is at most 150% of the average particle size D50, and second particles of lithium-cobalt composite oxide filling the space among the first particles, in a mass ratio of first particles/second particles of from 1/2 to 9/1, and process for producing the same.

摘要翻译： 提供了具有大体积容量密度的含有锂钴复合氧化物的锂二次电池用正极活性物质，其安全性高，充放电循环耐久性优异，其制造方法。 由式LipCoxMyOzFa表示的锂钴复合氧化物（其中M是除Co或碱土金属元素以外的过渡金属元素，0.9 <= p <= 1.1,0.980 <= x <= 1.000,0 <= y < = 0.02，1.9 <= z <= 2.1，x + y = 1，0 <= a <= 0.02），并且包含含有基本上球形的硬质的首先具有如此尖锐的粒度分布的锂 - 钴复合氧化物颗粒的混合物， 体积基础累积尺寸D10为平均粒径D50的至少50％，体积基础累积尺寸D90为平均粒径D50的150％以下，填充空间的第二粒子的锂钴复合氧化物 第一颗粒/第二颗粒的​​质量比为1/2至9/1的第一颗粒及其制备方法。

公开(公告)号：US20080241053A1

公开(公告)日：2008-10-02

申请号：US12081801

申请日：2008-04-22

申请人： Manabu Suhara ,  Takuya Mihara ,  Koichiro Ueda ,  Yukimitsu Wakasugi

发明人： Manabu Suhara ,  Takuya Mihara ,  Koichiro Ueda ,  Yukimitsu Wakasugi

IPC分类号： C01G53/04 ,  H01M4/52 ,  H01M4/50 ,  C01G45/00 ,  C01G51/04 ,  H01M4/58

CPC分类号： H01M4/505 ,  C01G45/1228 ,  C01G51/42 ,  C01G51/50 ,  C01G53/006 ,  C01G53/42 ,  C01G53/50 ,  C01P2002/52 ,  C01P2002/54 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2004/03 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/0435 ,  H01M4/525 ,  H01M10/052

摘要： Coagulated particles of nickel-cobalt-manganese hydroxide wherein primary particles are coagulated to form secondary particles are synthesized by allowing an aqueous solution of a nickel-cobalt-manganese salt, an aqueous solution of an alkali-metal hydroxide, and an ammonium-ion donor to react under specific conditions; and a lithium-nickel-cobalt-manganese-containing composite oxide represented by a general formula, LipNixMn1-x-yCoyO2-qFq (where 0.98≦p≦1.07, 0.3≦x≦0.5, 0.1≦y≦0.38, and 0≦q≦0.05), which is a positive electrode active material for a lithium secondary cell having a wide usable voltage range, a charge-discharge cycle durability, a high capacity and high safety, is obtained by dry-blending coagulated particles of nickel-cobalt-manganese composite oxyhydroxide formed by making an oxidant to act on the coagulated particles with a lithium salt, and firing the mixture in an oxygen-containing atmosphere.

摘要翻译： 通过使镍 - 钴 - 锰盐的水溶液，碱金属氢氧化物的水溶液和铵离子给体合成，其中一次粒子凝结形成二次粒子的镍 - 钴 - 氢氧化锰的凝结颗粒合成 在特定条件下反应; 和由以下通式表示的锂镍钴钴锰复合氧化物：Li x Mn x Mn 1-xy Co Co， 其中0.98 <= p <= 1.07,0.3 <= x <= 0.5,0.1 <= y < = 0.38，0 <= q <= 0.05），其是具有宽的可用电压范围，充放电循环耐久性，高容量和高安全性的锂二次电池用正极活性物质 通过使锂化合物通过使氧化剂作用于凝固的颗粒而形成的镍 - 钴 - 锰复合羟基氧化物的混合的混合颗粒，并在含氧气氛中烧结该混合物。

公开(公告)号：US20050214645A1

公开(公告)日：2005-09-29

申请号：US11136493

申请日：2005-05-25

申请人： Kazushige Horichi ,  Manabu Suhara ,  Naoshi Saito ,  Megumi Uchida

发明人： Kazushige Horichi ,  Manabu Suhara ,  Naoshi Saito ,  Megumi Uchida

IPC分类号： C01B11/24 ,  C01G51/00 ,  C01G51/04 ,  H01M4/02 ,  H01M4/131 ,  H01M4/1315 ,  H01M4/48 ,  H01M4/485 ,  H01M4/52 ,  H01M4/525 ,  H01M10/02 ,  H01M10/0525 ,  H01M10/36

CPC分类号： H01M10/0525 ,  C01G51/42 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/1315 ,  H01M4/485 ,  H01M4/525 ,  H01M2004/021

摘要： To provide a process for producing a lithium-cobalt composite oxide for a positive electrode of a lithium secondary battery, which has a large volume capacity density, high safety, high charge and discharge cycle durability, high press density and high productivity. A process for producing a lithium-cobalt composite oxide represented by the formula LipCoxMyOzFa (wherein M is a transition metal element other than Co, or an alkaline earth metal element, O.9≦p≦1.1, 0.980≦x≦1.000, 0≦y≦0.02, 1.9≦z≦2.1, x+y=1, and 0≦a≦0.02), characterized in that as a cobalt source, a mixture is used which comprises cobalt hydroxide in the form of substantially spherical secondary particles with an average particle size of from 8 to 20 μm formed by agglomeration of primary particles and tricobalt tetroxide in the form of secondary particles with an average particle size of from 2 to 10 μm formed by agglomeration of primary particles, in a cobalt atomic ratio of from 5:1 to 1:5, and firing is carried out at from 700 to 1,050° C.

摘要翻译： 为了提供具有大容量密度，高安全性，高充放电循环耐久性，高压力密度和高生产率的锂二次电池正极用锂钴复合氧化物的制造方法。 一种由下式表示的锂 - 钴复合氧化物的制备方法：其中R 1，R 2，R 2， （其中M是除Co以外的过渡金属元素或碱土金属元素，O.9 <= p <= 1.1,0.980 <= x <=1.000,0≤y <= 0.02，1.9 <= z <= 2.1，x + y = 1，0 <= a <= 0.02），其特征在于，作为钴源，使用包含基本上为球形的氢氧化钴的混合物 平均粒度为8〜20μm的二次粒子是通过一次粒子和四氧化四铁的结合而形成的，该二次粒子是以原子粒子聚集形成的平均粒径为2〜10μm的二次粒子，以钴原子 比例为5：1至1：5，焙烧时间为700至1050℃。

公开(公告)号：US06929883B2

公开(公告)日：2005-08-16

申请号：US10296205

申请日：2001-05-30

申请人： Manabu Suhara ,  Megumi Yukawa ,  Naoshi Saito ,  Takashi Kimura ,  Kazuo Sunahara

发明人： Manabu Suhara ,  Megumi Yukawa ,  Naoshi Saito ,  Takashi Kimura ,  Kazuo Sunahara

IPC分类号： C01G23/00 ,  C01G33/00 ,  C01G45/00 ,  C01G51/00 ,  C01G53/00 ,  H01M4/505 ,  H01M4/525 ,  H01M10/05 ,  H01M4/58 ,  H01M4/36 ,  H01M4/50 ,  H01M4/52

CPC分类号： H01M4/485 ,  C01G23/005 ,  C01G33/006 ,  C01G45/1228 ,  C01G51/50 ,  C01G53/50 ,  C01P2002/54 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/14 ,  C01P2006/16 ,  C01P2006/40 ,  H01M4/505 ,  H01M4/525 ,  H01M2004/021

摘要： The present invention provides a lithium-transition metal composite oxide having a large volume capacity density, high safety, excellent coating uniformity, excellent charge/discharge cycle durability and excellent low temperature characteristics, and suitable as a positive electrode active material for a lithium secondary cell.A lithium-transition metal composite oxide which is represented by the formula LixM1−yNyO2 (wherein 0.2≦x≦1.2, 0≦y≦0.7, M is a transition metal element, and N is a transition metal element other than M or an alkaline earth metal element), wherein in the distribution curve of the cumulative volume particle size of said lithium composite oxide, the inclination of the curve at a cumulative volume fraction of 20% and 80% are at most 9%/μm and at least 3%/μm, respectively, and the average particle size is from 3 to 20 μm.

摘要翻译： 本发明提供容量密度大，安全性高，涂布均匀性好，充放电循环耐久性优异，低温特性优异的锂 - 过渡金属复合氧化物，适用于锂二次电池用正极活性物质 。 由下式表示的锂 - 过渡金属复合氧化物：由下式表示：其中R 1，R 2，R 2， >（其中0.2 <= x <= 1.2,0 <= y <= 0.7，M是过渡金属元素，N是除M或​​碱土金属元素以外的过渡金属元素），其中在 所述锂复合氧化物的累积体积粒径，累积体积分数为20％和80％时的曲线倾斜度分别为9％以下，3％以下，平均粒径为 从3到20个妈妈。

公开(公告)号：US06352565B2

公开(公告)日：2002-03-05

申请号：US09947517

申请日：2001-09-07

申请人： Manabu Suhara ,  Kazuya Hiratsuka ,  Takeshi Kawasato ,  Katsuji Ikeda

发明人： Manabu Suhara ,  Kazuya Hiratsuka ,  Takeshi Kawasato ,  Katsuji Ikeda

IPC分类号： D21F1100

CPC分类号： H01G9/02 ,  Y10T29/417

摘要： An electric double layer capacitor having an element impregnated with a non-aqueous electrolyte, said element comprising positive and negative electrodes made of carbonaceous electrodes, and a separator interposed between the electrodes, wherein said separator is made of paper prepared to contain at least 50 wt % of fibers obtained by beating regenerated cellulose fibers.

公开(公告)号：US06349027B1

公开(公告)日：2002-02-19

申请号：US09253704

申请日：1999-02-22

申请人： Manabu Suhara ,  Kazuya Hiratsuka ,  Katsuji Ikeda ,  Takeshi Kawasato ,  Yoshiaki Higuchi ,  Takamichi Ishikawa ,  Satoru Kuroki ,  Sadao Kanetoku ,  Naoki Yoshida ,  Naruaki Tomita

发明人： Manabu Suhara ,  Kazuya Hiratsuka ,  Katsuji Ikeda ,  Takeshi Kawasato ,  Yoshiaki Higuchi ,  Takamichi Ishikawa ,  Satoru Kuroki ,  Sadao Kanetoku ,  Naoki Yoshida ,  Naruaki Tomita

IPC分类号： H01G9155

CPC分类号： H01G9/155 ,  H01G9/02 ,  H01G11/72 ,  Y02E60/13 ,  Y10T428/3154 ,  Y10T442/656

摘要： An electric double layer capacitor including a positive electrode assembly and a negative electrode assembly, each electrode assembly having a porous layer including a carbonaceous powder and a fluorine-containing polymer formed on at least one side of an aluminum foil current collector, the positive electrode and the negative electrode being disposed so that the porous layer of the positive electrode assembly and the porous layer of the negative electrode assembly face each other with a separator interposed therebetween to form an element, the element being impregnated with a non-aqueous electrolyte and accommodated in a sealed container, wherein the thickness of the porous layer is from 80 to 200 &mgr;m, the thickness of the aluminum foil current collector is from 20 to 80 &mgr;m, the thickness of the separator is from 30 to 170 &mgr;m, and the density of the porous layer is from 0.50 to 0.80 g/cm3.

摘要翻译： 一种包括正极组件和负极组件的双电层电容器，每个电极组件具有在铝箔集电体的至少一侧上形成的包含碳质粉末和含氟聚合物的多孔层，所述正极和 负极被配置成使得正极组件的多孔层和负极组件的多孔层彼此面对隔着隔板以形成元件，该元件浸渍有非水电解质并容纳在 密封容器，多孔层的厚度为80〜200μm，铝箔集电体的厚度为20〜80μm，隔板的厚度为30〜170μm，密度为 多孔层为0.50〜0.80g / cm 3。

公开(公告)号：US06072692A

公开(公告)日：2000-06-06

申请号：US168090

申请日：1998-10-08

申请人： Kazuya Hiratsuka ,  Takeshi Morimoto ,  Manabu Suhara ,  Takeshi Kawasato ,  Manabu Tsushima

发明人： Kazuya Hiratsuka ,  Takeshi Morimoto ,  Manabu Suhara ,  Takeshi Kawasato ,  Manabu Tsushima

IPC分类号： H01G9/00 ,  H01G9/155

CPC分类号： H01G9/155 ,  H01G11/72 ,  Y02E60/13 ,  Y10T29/417

摘要： An electric double layer capacitor including an electrode containing a carbonaceous material having a specific surface area of at least 500 m.sup.2 /g, and an organic electrolytic solution capable of forming an electric double layer at the interface with the electrode, wherein the electrode is bonded to a current collector via a carbon type conductive adhesive layer containing a conductive carbon material and a polyimide resin.

摘要翻译： 一种双电层电容器，包括含有比表面积至少为500m 2 / g的碳质材料的电极和能够在与电极的界面处形成双电层的有机电解液，其中电极结合到 通过含有导电性碳材料和聚酰亚胺树脂的碳类导电性粘合剂层的集电体。

公开(公告)号：US06038123A

公开(公告)日：2000-03-14

申请号：US78483

申请日：1998-05-14

申请人： Noriaki Shimodaira ,  Takeshi Kawasato ,  Kazuya Hiratsuka ,  Manabu Suhara ,  Manabu Tsushima

发明人： Noriaki Shimodaira ,  Takeshi Kawasato ,  Kazuya Hiratsuka ,  Manabu Suhara ,  Manabu Tsushima

IPC分类号： H01G9/00 ,  H01G9/155

CPC分类号： H01G9/155 ,  Y02E60/13

摘要： An electric double layer capacitor including an electrode containing carbon material as the main component, as a positive electrode and/or a negative electrode, and an electrolyte capable of forming an electric double layer at the interface with the electrode, wherein the carbon material is characterized in that in its Raman spectrum, the ratio of the peak intensity of G-band of an amorphous carbon component to the peak intensity of G-band of a graphite component is at least 0.7, and the ratio of the peak intensity of D-band of the graphite component to the peak intensity of G-band of the graphite component is at least 1.0.

摘要翻译： 包括以碳材料为主要成分的电极作为正电极和/或负极的电双层电容器和能够在与电极的界面处形成电双层的电解质，其中碳材料的特征在于 在其拉曼光谱中，无定形碳成分的G带的峰强度与石墨成分的G带的峰值强度的比例为0.7以上，D带的峰值强度的比例 的石墨成分的G带的峰值强度为1.0以上。

公开(公告)号：US5969936A

公开(公告)日：1999-10-19

申请号：US45905

申请日：1998-03-23

申请人： Takeshi Kawasato ,  Manabu Suhara ,  Kazuya Hiratsuka ,  Manabu Tsushima

发明人： Takeshi Kawasato ,  Manabu Suhara ,  Kazuya Hiratsuka ,  Manabu Tsushima

IPC分类号： H01G9/02 ,  H01G11/60

CPC分类号： H01G9/038 ,  H01G11/60 ,  Y02E60/13

摘要： An electric double layer capacitor including electrodes made of carbon material as the main component, and an electrolyte capable of forming an electric double layer at the interface with the electrodes, wherein the electrolyte includes an organic type mixed solvent containing propylene carbonate and an asymmetrical chain carbonic acid ester represented by the general formula R.sup.1 OC(.dbd.O)OR.sup.2, wherein R.sup.1 and R.sup.2 are mutually different monovalent organic groups, and a solute comprising a quaternary onium salt.

摘要翻译： 一种双电层电容器，包括以碳材料为主要成分的电极，以及能够在与电极的界面处形成电双层的电解质，其中电解质包括含有碳酸亚丙酯和不对称链碳酸的有机型混合溶剂 由通式R 1 OC（= O）OR 2表示的酸酯，其中R 1和R 2是相互不同的一价有机基团，以及包含季鎓盐的溶质。