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    • 16. 发明授权
    • Multiply stacked electrochemical cell and method for preparing the same
    • 叠层电化学电池及其制备方法
    • US06726733B2
    • 2004-04-27
    • US09958295
    • 2001-10-05
    • Hyang-Mok LeeSoon-Ho AhnKyung-Joon KimJae-Hyun Lee
    • Hyang-Mok LeeSoon-Ho AhnKyung-Joon KimJae-Hyun Lee
    • H01M600
    • H01M10/0583H01M2/0275H01M2/1653H01M2/1686H01M2/18H01M10/0413H01M10/0436H01M10/0459H01M10/0468H01M10/0525H01M10/0565Y10T29/49112
    • The present invention relates to an electrochemical element, specifically an electrochemical element with improved energy density comprising stacked electrochemical cells. In order to achieve such objects, the present invention provides an electrochemical element comprising electrochemical cells which are multiply stacked, said electrochemical cells formed by stacking full cells or bicells having a cathode, a separator layer, and an anode sequentially as a basic unit, and a separator film interposed between each stacked cell wherein, said separator film has a unit length which is determined to wrap the electrochemical cells, and folds outward every unit length to fold each electrochemical cell in a Z-shape starting from the electrochemical cell of a first spot to the electrochemical cell of the last spot continuously while the remaining separator film wraps an outer portion of the stacked cell and a method for manufacturing the same.
    • 本发明涉及一种电化学元件,具体地说是具有改善的能量密度的电化学元件,其包括层叠的电化学电池。为了实现这样的目的,本发明提供一种电化学元件,其包含多层堆叠的电化学电池,所述电化学电池通过堆叠形成 具有阴极,隔离层和阳极的全电池或双电池依次作为基本单元,以及夹在每个层叠电池之间的隔膜,其中所述隔离膜具有确定包裹电化学电池的单位长度,并且折叠 向外每单位长度,将每个电化学电池以Z形开始,从第一点的电化学电池连续地连续到最后一个点的电化学电池,而剩余的分隔膜包裹堆叠电池的外部部分和制造方法 一样。
    • 19. 发明授权
    • Highly reversible lithium intercalating electrode active material, preparation method thereof, electrode and secondary battery comprising the same
    • 高度可逆的锂嵌入电极活性材料,其制备方法,电极和包含该锂的二次电池
    • US08067116B2
    • 2011-11-29
    • US12310602
    • 2007-08-23
    • Ki-Tae KimMin-Gyu KimJae-Phil ChoSoon-Ho AhnSeo-Jae Lee
    • Ki-Tae KimMin-Gyu KimJae-Phil ChoSoon-Ho AhnSeo-Jae Lee
    • H01M4/136H01M4/58H01B1/02C01B25/37
    • H01M4/58H01M4/1397H01M10/052
    • Disclosed are an electrode active material, having a composition of SnPx (0.9≦x≦0.98), an electrode comprising the same, and a lithium secondary battery comprising the electrode. Also disclosed is a method for preparing an electrode active material having a composition of SnPx (0.9≦x≦0.98), the method comprising the steps of: preparing a mixed solution of a Sn precursor, trioctyl phosphine (TOP) and trioctyl phosphine oxide (TOPO); and heating the solution. The application of the teardrop-shaped single-crystal SnP0-94 particles as an anode active material for lithium secondary batteries can provide an anode having very excellent cycling properties because the active material has a reversible capacity, which is about two times as large as that of a carbon anode, along with a very low irreversible capacity, and it is structurally very stable against Li ion intercalation/deintercalation in a charge/discharge process, indicating little or no change in the volume thereof.
    • 公开了具有SnPx(0.9& NlE; x< lE; 0.98)组成的电极活性材料,包括该电极活性材料的电极和包含该电极的锂二次电池。 还公开了一种制备具有SnP x(0.9& NlE; x≦̸ 0.98)组成的电极活性材料的方法,该方法包括以下步骤:制备Sn前体,三辛基膦(TOP)和三辛基氧化膦 (TOPO); 并加热溶液。 作为锂二次电池的负极活性物质的泪珠状单晶SnP0-94颗粒的应用可以提供具有非常优异的循环性能的阳极,因为活性材料的可逆容量大约是可逆容量的两倍 的碳阳极,以及非常低的不可逆容量,并且在充电/放电过程中对Li离子插层/脱嵌结构非常稳定,表明其体积几乎没有变化或没有变化。