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    • 2. 发明授权
    • Lithium secondary cell with high charge and discharge rate capability
    • 具有高充放电能力的锂二次电池
    • US07348101B2
    • 2008-03-25
    • US11052971
    • 2005-02-07
    • Antoni S. GozdzAndrew C. ChuYet Ming ChiangGilbert N. Riley
    • Antoni S. GozdzAndrew C. ChuYet Ming ChiangGilbert N. Riley
    • H01M4/58
    • H01M10/0525H01M4/13H01M4/133H01M4/136H01M4/5825H01M4/583H01M4/587H01M10/0587H01M2004/021H01M2010/4292
    • A high capacity, high charge rate lithium secondary cell includes a high capacity lithium-containing positive electrode in electronic contact with a positive electrode current collector, said current collector in electrical connection with an external circuit, a high capacity negative electrode in electronic contact with a negative electrode current collector, said current collector in electrical connection with an external circuit, a separator positioned between and in ionic contact with the cathode and the anode, and an electrolyte in ionic contact with the positive and negative electrodes, wherein the total area specific impedance for the cell and the relative area specific impedances for the positive and negative electrodes are such that, during charging at greater than or equal to 4C, the negative electrode potential is above the potential of metallic lithium. The current capacity per unit area of the positive and negative electrodes each are at least 3 mA-h/cm2, the total area specific impedance for the cell is less than about 20 Ω-cm2, and the positive electrode has an area specific impedance r1 and the negative electrode has an area specific impedance r2, and wherein the ratio of r1 to r2 is at least about 10.
    • 高容量高电荷率锂二次电池包括与正极集电体电接触的高容量含锂正极,所述集电体与外部电路电连接,与 负极集电器,所述集电器与外部电路电连接,位于阴极和阳极之间并与阴极和阳极离子接触的分离器,以及与正极和负极离子接触的电解质,其中总面积比阻抗 对于电池和正极和负极的相对面积比阻抗使得在大于或等于4C的充电期间,负极电位高于金属锂的电位。 正极和负极每单位面积的电流容量至少为3mA-h / cm 2,电池的总面积比阻抗小于约20Ω·cm〜 2,并且正电极具有面积比阻抗r 1,并且负极具有面积比阻抗r 2 2,并且其中r < SUB> 1 至r 2 2是至少约10。
    • 7. 发明授权
    • Method of manufacturing superconductors including isostatic pressing
    • 制造超导体的方法,包括等静压
    • US06218340B1
    • 2001-04-17
    • US08902207
    • 1997-07-29
    • Gilbert N. Riley
    • Gilbert N. Riley
    • H01L3924
    • H01L39/248Y10T29/49014
    • A modified powder-in-tube process produces a superconductor wire having a significantly greater current density than will a superconductor wire of the same nominal superconductor composition produced using conventional draw-swage-extrude-roll deformation. In the process disclosed, a superconductor precursor is placed within a ductile tube, the tube with the powder therein is then deformed into a cross-section substantially corresponding to that of the end product, and the deformed tube is then subject to a plurality of heat treatments to convert the precursor into the desired superconducting ceramic oxide phase. Before the last of the heat treatments, the tube is isostatically pressed to densify and texture the superconductor precursor oxide in the tube.
    • 改进的管内管道工艺产生的超导体线具有比使用常规拉伸 - 挤压 - 辊变形产生的相同标称超导体组合物的超导线更大的电流密度。 在所公开的方法中,将超导体前体放置在延性管内,然后将其中具有粉末的管变形为基本上对应于最终产品的横截面,然后使变形的管经受多个热 将前体转化成所需的超导陶瓷氧化物相的处理。 在最后一次热处理之前,等离子体压制管子以致密化并管理管中的超导体前体氧化物。