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    • 2. 发明申请
    • CATHODE ACTIVE MATERIAL AND LITHIUM ION SECONDARY BATTERY
    • 阴极活性材料和锂离子二次电池
    • US20070141469A1
    • 2007-06-21
    • US11613064
    • 2006-12-19
    • Takashi TokunagaYoshiaki ObanaHiroyuki Akashi
    • Takashi TokunagaYoshiaki ObanaHiroyuki Akashi
    • H01M4/52H01M4/50H01M4/62
    • H01M10/0525H01M4/131H01M4/505H01M4/525H01M4/622
    • A lithium ion secondary battery is provided. The battery includes a positive electrode having at least a cathode active material and a binder, a negative electrode, an electrolyte, and a separator which are arranged between the positive electrode and the negative electrode, and in which an open circuit voltage per unit cell in a full charging state lies within (4.25V≦voltage≦6.00V). The cathode active material includes either a lithium-cobalt composite oxide expressed by a general formula: LiaCo1-xMexO2-b(Me denotes metal elements of at least one, two or more kinds selected from V, Cu, Zr, Zn, Mg, Al, and Fe; 0.9≦a≦1.1; 0≦x≦0.3; and −0.1≦b≦0.1) or a lithium-cobalt-nickel-manganese oxide expressed by a general formula: LiaNi1-x-y-zCoxMnyMezO2-b(0.9≦a≦1.1; 0
    • 提供锂离子二次电池。 电池包括具有至少正极活性物质和粘合剂,负极,电解质和隔膜的正极,它们设置在正极和负极之间,其中每单位电池的开路电压 完全充电状态位于(4.25V <=电压<= 6.00V)内。 阴极活性材料包括由以下通式表示的锂 - 钴复合氧化物:由下列通式表示的锂 - 钴复合氧化物:Li 1 O x 2-b(Me表示选自V,Cu,Zr,Zn,Mg,Al和Fe中的至少一种,两种以上的金属元素; 0.9 <= a <= 1.1; 0 <= x <= 0.3;和-0.1 <= b <= 0.1)或由以下通式表示的锂 - 钴 - 镍 - 锰氧化物:Li&lt; 1&lt; 1-xyz&lt; / SUB (0.9 <= a <= 1.1; 0 x <0.4; 0
    • 3. 发明授权
    • Cathode active material and lithium ion secondary battery
    • 阴极活性物质和锂离子二次电池
    • US07759007B2
    • 2010-07-20
    • US11613064
    • 2006-12-19
    • Takashi TokunagaYoshiaki ObanaHiroyuki Akashi
    • Takashi TokunagaYoshiaki ObanaHiroyuki Akashi
    • H01M4/58
    • H01M10/0525H01M4/131H01M4/505H01M4/525H01M4/622
    • A lithium ion secondary battery is provided. The battery includes a positive electrode having at least a cathode active material and a binder, a negative electrode, an electrolyte, and a separator which are arranged between the positive electrode and the negative electrode, and in which an open circuit voltage per unit cell in a full charging state lies within (4.25V≦voltage≦6.00V). The cathode active material includes either a lithium-cobalt composite oxide expressed by a general formula: LiaCo1-xMexO2-b (Me denotes metal elements of at least one, two or more kinds selected from V, Cu, Zr, Zn, Mg, Al, and Fe; 0.9≦a≦1.1; 0≦x=0.3; and −0.1≦b≦0.1) or a lithium-cobalt-nickel-manganese oxide expressed by a general formula: LiaNi1-x-y-zCoxMnyMezO2-b (0.9≦a≦1.1; 0
    • 提供锂离子二次电池。 电池包括具有至少正极活性物质和粘合剂,负极,电解质和隔膜的正极,它们设置在正极和负极之间,其中每单位电池的开路电压 完全充电状态位于(4.25V和nlE;电压&nlE; 6.00V)之内。 阴极活性物质包括由通式:LiaCo1-xMexO2-b表示的锂 - 钴复合氧化物(Me表示选自V,Cu,Zr,Zn,Mg,Al中的至少一种,两种以上的金属元素 ,和Fe; 0.9&nlE; a&nlE; 1.1; 0&amp; nlE; x = 0.3;和-0.1&amp; nlE; b&nlE; 0.1)或由以下通式表示的锂钴镍锰氧化物:LiaNi1-xy-zCoxMnyMezO2-b 0.9&nlE; a&nlE; 1.1; 0
    • 7. 发明申请
    • Sintered Cermet and Cutting Tool
    • 烧结金属陶瓷和切削工具
    • US20110177934A1
    • 2011-07-21
    • US13120913
    • 2009-09-28
    • Takashi TokunagaHideyoshi Kinoshita
    • Takashi TokunagaHideyoshi Kinoshita
    • C04B35/582C04B35/56C04B35/58
    • C22C29/02B22F2005/001B22F2999/00C04B35/58007C04B35/58014C04B35/581C04B2235/3865C04B2235/3873C04B2235/3886C22C29/10C22C29/16B22F3/1028B22F2201/20B22F3/1017
    • A sintered cermet and a cutting tool are provided which have high toughness and high anti-chipping. The sintered cermet comprises a hard phase composed of one or more kinds selected from carbides, nitrides, and carbonitrides of one or more metals selected from metals belonging to Groups 4, 5, and 6 of the periodic table, each of which is composed mainly of Ti; and a binder phase composed mainly of Ni and Co. When the crystal lattice constant of the binder phase is measured by Pawley method, two kinds of binder phases having two kinds of crystal lattice constants 31 and 32 exist in the interior of the sintered cermet. Alternatively, two peaks belonging to the (220) plane of the hard phase, namely, a low-angle-side-peak and a high-angle-side peak are detected in the interior of the sintered cermet, and a modified part exists in the vicinity of the surface, in which three peaks belonging to the (220) plane of the hard phase, namely, the low-angle-side peak, an intermediate-position peak, and the high-angle-side peak are detected.
    • 提供了具有高韧性和高抗碎裂性的烧结金属陶瓷和切削工具。 烧结金属陶瓷包括由选自元素周期表第4,5和6族金属中的一种或多种金属的碳化物,氮化物和碳氮化物中的一种或多种组成的硬质相,其主要由 钛 以及主要由Ni和Co组成的粘结相。当通过Pawley方法测量粘结相的晶格常数时,在金属陶瓷烧结体的内部存在两种具有两种晶格常数31和32的粘结相。 或者,在金属陶瓷烧结体的内部检测属于硬相的(220)面的两个峰,即低角度侧峰值和高角度侧峰值,修正部分存在于 检测属于硬相的(220)面的三个峰即表面的附近,即低角度峰,中间位置峰和高角度侧峰。
    • 9. 发明申请
    • Cemented Carbide and Cutting Tool
    • 硬质合金和切削工具
    • US20090044415A1
    • 2009-02-19
    • US11909710
    • 2006-03-23
    • Asako FujinoTakashi Tokunaga
    • Asako FujinoTakashi Tokunaga
    • B26B27/00C04B35/56
    • C22C29/02B22F2005/001B22F2998/00C22C29/08
    • Disclosed is a cemented carbide comprising 5 to 10 mass % of cobalt and/or nickel, and 0 to 10 mass % of at least one selected from a carbide (except for tungsten carbide), a nitride and a carbonitride of at least one selected from the group consisting of metals of groups 4, 5 and 6 of the Periodic Table, the balanced amount of tungsten carbide, a hard phase comprising mainly tungsten carbide particles, and containing β particles of at least one selected from the carbide, the nitride and the carbonitride, and the hard phase being bonded through a binder phase comprising mainly cobalt and/or nickel, wherein a mean particle size of the tungsten carbide particles is 1 μm or less, and the cemented carbide having a sea-island structure in which plural binder-phase-aggregated portions composed mainly of cobalt and/or nickel are scattered in the proportion of 10 to 70 area % based on the total area on the surface of the cemented carbide. The cemented carbide is excellent in wear resistance and fracture resistance.
    • 公开了包含5〜10质量%的钴和/或镍,0〜10质量%的选自碳化物(碳化钨除外),氮化物和碳氮化物中的至少1种的碳化物, 由元素周期表第4,5和6族的金属组成的组,碳化钨的平衡量,主要包含碳化钨颗粒的硬质相,以及含有选自碳化物,氮化物和 碳氮化物,并且硬相通过主要包含钴和/或镍的粘结相粘合,其中碳化钨颗粒的平均粒度为1μm以下,并且具有海岛结构的硬质合金,其中多个粘合剂 主要由钴和/或镍组成的相位聚集部分以占硬质合金表面总面积的10-70面积%的比例散布。 硬质合金的耐磨性和耐断裂性优异。