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    • 2. 发明授权
    • Electroluminescent device having a structured particle electron conductor
    • 具有结构化颗粒电子导体的电致发光器件
    • US5958573A
    • 1999-09-28
    • US796778
    • 1997-02-10
    • Mark SpitlerChristina Lampe-OnnerudPer Onnerud
    • Mark SpitlerChristina Lampe-OnnerudPer Onnerud
    • H01L51/50H01L51/52H05B33/26H05B33/00
    • H01L51/5092B82Y20/00B82Y30/00H01L51/5012H01L51/5048H05B33/26H01L2251/5369H01L51/5036Y10S428/917Y10T428/25Y10T428/258Y10T428/2991
    • An electroluminescent device is disclosed which has an electron conductor fabricated from a stable low electron affinity substance in combination with an emitting species and a hole conductor. The hole conductor and the electron conductor transport to opposed sides of the emitting species holes and electrons respectively that cause the emitting species to undergo a quantum change of state and generate light. In one embodiment the electron conductor is comprised of a plurality of structured particles, each in electrical communication with each other, where the plurality of structured particles are small enough so as their properties deviate from the bulk properties of the substance from which the structured particles are fabricated. In this embodiment the plurality of structured particles are also crystalline in nature. The plurality of structured particles are also in contact with an emitting species and act as an electron conductor. Another embodiment of the electroluminescent device uses more than one of plurality of structured particles, more than one emitting species and more than one hole conductor, such that each combination of one plurality of structured particles, emitting species, and hole conductor emits a different predetermined wavelength of light.
    • 公开了一种电致发光器件,其具有由稳定的低电子亲和物质与发射物质和空穴导体组合制成的电子导体。 空穴导体和电子导体分别传输到发射物质空穴和电子的相对侧,导致发光物质经历量子状态变化并产生光。 在一个实施例中,电子导体由多个结构化颗粒组成,每个结构化颗粒彼此电连通,其中多个结构化颗粒足够小,使得它们的性质偏离结构化颗粒所属物质的体积特性 制造。 在该实施例中,多个结构化颗粒本质上也是结晶的。 多个结构化颗粒也与发射物质接触并用作电子导体。 电致发光器件的另一实施例使用多于一种结构化颗粒,多于一种发射物质和多于一种空穴导体,使得多个结构化颗粒(发射物质)和空穴导体的每个组合发射不同的预定波长 的光。
    • 8. 发明授权
    • Gradient cathode material for lithium rechargeable batteries
    • 用于锂可充电电池的梯度阴极材料
    • US06921609B2
    • 2005-07-26
    • US10073674
    • 2002-02-11
    • Christina Lampe-OnnerudPer OnnerudJie ShiSharon DaltonTomoyoshi KoizumiAisaku Nagai
    • Christina Lampe-OnnerudPer OnnerudJie ShiSharon DaltonTomoyoshi KoizumiAisaku Nagai
    • C01G53/00C01G53/04H01M4/02H01M4/36H01M4/48H01M4/485H01M4/50H01M4/505H01M4/52H01M4/525H01M10/052H01M10/24H01M10/36H01M10/44
    • H01M4/525H01M4/0471H01M4/131H01M4/1391H01M4/366H01M10/052
    • A composition suitable for use as a cathode material of a lithium battery includes a core material having an empirical formula LixM′zNi1−yM″yO2. “x” is equal to or greater than about 0.1 and equal to or less than about 1.3. “y” is greater than about 0.0 and equal to or less than about 0.5. “z” is greater than about 0.0 and equal to or less than about 0.2. M′ is at least one member of the group consisting of sodium, potassium, nickel, calcium, magnesium and strontium. M″ is at least one member of the group consisting of cobalt, iron, manganese, chromium, vanadium, titanium, magnesium, silicon, boron, aluminum and gallium. A coating on the core has a greater ratio of cobalt to nickel than the core. The coating and, optionally, the core can be a material having an empirical formula Lix1Ax2Ni1−y1−z1Coy1Bz1Oa. “x1” is greater than about 0.1 a equal to or less than about 1.3. “x2,” “y1” and “z1” each is greater than about 0.0 and equal to or less than about 0.2. “a” is greater than 1.5 and less than about 2.1. “A” is at least one element selected from the group consisting of barium, magnesium, calcium and strontium. “B” is at least one element selected from the group consisting of boron, aluminum, gallium, manganese, titanium, vanadium and zirconium.
    • 适合用作锂电池的阴极材料的组合物包括具有经验式Li x 1 M'z Ni 1-y的核心材料 > M“O 2 。 “x”等于或大于约0.1且等于或小于约1.3。 “y”大于约0.0且等于或小于约0.5。 “z”大于约0.0且等于或小于约0.2。 M'是由钠,钾,镍,钙,镁和锶组成的组中的至少一个成员。 M“是由钴,铁,锰,铬,钒,钛,镁,硅,硼,铝和镓组成的组中的至少一个。 芯上的涂层具有比芯更大的钴与镍的比例。 涂层和任选的芯可以是具有经验式的材料,例如,N 1,X 2,Ni 1-y 1-z 1, > y1 z1 。 “x1”大于等于或小于约1.3的约0.1a. “x2”,“y1”和“z1”各自大于约0.0且等于或小于约0.2。 “a”大于1.5且小于约2.1。 “A”是选自钡,镁,钙和锶中的至少一种元素。 “B”是选自硼,铝,镓,锰,钛,钒和锆中的至少一种元素。
    • 10. 发明申请
    • Lithium-ion secondary battery
    • 锂离子二次电池
    • US20080008933A1
    • 2008-01-10
    • US11821102
    • 2007-06-21
    • Christina Lampe-Onnerud
    • Christina Lampe-Onnerud
    • H01M6/42H01M4/50H01M4/58H01M4/82
    • H01M4/525H01M4/364H01M4/485H01M4/505H01M4/5825H01M10/0525H01M10/4235H01M2004/028Y02E60/122Y10T29/49108
    • In one embodiment, an active cathode material comprises a mixture that includes: at least one of a lithium cobaltate and a lithium nickelate; and at least one of a manganate spinel represented by an empirical formula of Li(1+x1)(Mn1−y1A′y1)2−x1Oz1 and an olivine compound represented by an empirical formula of Li(1−x2)A″x2MPO4. In another embodiment, an active cathode material comprises a mixture that includes: a lithium nickelate selected from the group consisting of LiCoO2-coated LiNi0.8Co0.15Al0.05O2, and Li(Ni1/3Co1/3Mn1/3)O2; and a manganate spinel represented by an empirical formula of Li(1+x7)Mn2−y7Oz7. A lithium-ion battery and a battery pack each independently employ a cathode that includes an active cathode material as described above. A method of forming a lithium-ion battery includes the steps of forming an active cathode material as described above; forming a cathode electrode with the active cathode material; and forming an anode electrode in electrical contact with the cathode via an electrolyte. A system comprises a portable electronic device and a battery pack or lithium-ion battery as described above.
    • 在一个实施方案中,活性阴极材料包括混合物,其包括:钴酸锂和镍酸锂中的至少一种; 并且由Li(1 + x1)(Mn 1-y1 A'y1)的经验式表示的锰酸盐尖晶石中的至少一种, 以及由经验式Li(1-x2)A“x2”表示的橄榄石化合物, / SUB> MPO 4 。 在另一个实施方案中,活性阴极材料包括一种混合物,其包括:镍酸锂,其选自LiCoO 2涂覆的LiNi 0.8 Nb 0.15, 另一方面,Li(Ni 1/3)1/3 O 3 O 2,和/ 1/3)O 2; 和由Li(1 + x7)Mn 2-y7 O z7 N的经验式表示的锰酸盐尖晶石。 锂离子电池和电池组各自独立地使用包含如上所述的活性阴极材料的阴极。 形成锂离子电池的方法包括如上所述形成活性阴极材料的步骤; 用活性阴极材料形成阴极电极; 以及通过电解质形成与阴极电接触的阳极电极。 系统包括如上所述的便携式电子设备和电池组或锂离子电池。