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    • 2. 发明申请
    • CARBONATE PRECURSORS FOR LITHIUM NICKEL MANGANESE COBALT OXIDE CATHODE MATERIAL AND THE METHOD OF MAKING SAME
    • 用于镍铬锰氧化物阴极材料的碳酸盐前体及其制备方法
    • WO2016055910A1
    • 2016-04-14
    • PCT/IB2015/057491
    • 2015-09-30
    • UMICOREUMICORE KOREA LTD
    • HU, JinHONG, HeonPyoPAULSEN, JensOH, JinDooNELIS, DaniëlROBERT, Eric
    • H01M4/525H01M4/505H01M4/485
    • H01M4/1391C01G53/006C01G53/44C01P2002/52C01P2002/54C01P2002/72C01P2004/32C01P2004/51C01P2004/61C01P2006/11C01P2006/12C01P2006/40H01M4/0471H01M4/485H01M4/505H01M4/525H01M10/052Y02T10/7011
    • A method for producing a M-carbonate precursor of a Li-M oxide cathode material in a continuous reactor, wherein M=NixMnyCozAn, A being a dopant, with x>0, y>0,0≤z≤0.35, 0≤n≤0.02 and x+y+z+n=1, the method comprising the steps of: -providing a feed solution comprising Ni-, Mn-, Co-and A-ions, and having a molar metal content M" feed, -providing an ionic solution comprising either one or both of a carbonate and a bicarbonate solution, the ionic solution further comprising either one or both of Na-and K-ions, -providing a slurry comprising seeds comprising M'-ions and having a molar metal content M' seeds, wherein M'=Nix'Mny'Coz'A'n', A' being a dopant, with 0≤x'≤1, 0≤y'≤1, 0≤z'≤1, 0≤n'≤1 and x'+y'+z'+n'=1, and wherein the molar ratio M' seeds/M" feed is between 0.001 and 0.1, -mixing the feed solution, the ionic solution and the slurry in the reactor, thereby obtaining a reactive liquid mixture, -precipitating a carbonate onto the seeds in the reactive liquid mixture, thereby obtaining a reacted liquid mixture and the M-carbonate precursor, and -separating the M-carbonate precursor from the reacted liquid mixture.
    • 一种在连续反应器中制备Li-M氧化物阴极材料的M-碳酸酯前体的方法,其中M = NixMnyCozAn,A为掺杂剂,x> 0,y>0,0≤z≤0.35,0≤n ≤0.02,x + y + z + n = 1,该方法包括以下步骤:提供包含Ni-,Mn-,Co-和A-离子并且具有摩尔金属含量M“进料的进料溶液, 提供包含碳酸盐和碳酸氢盐溶液中的一种或两种的离子溶液,所述离子溶液还包含Na-和K-离子中的一种或两种, - 提供包含包含M'离子并具有摩尔金属的种子的浆料 含量M'种子,其中M'= Nix'Mny'Coz'A'n',A'为掺杂剂,0≤x'≤1,0≤y'≤1,0≤z'≤1,0≤ n'≤1且x'+ y'+ z'+ n'= 1,其中M'种子/ M“进料的摩尔比为0.001至0.1,将进料溶液,离子溶液和浆料混合 反应器,从而获得反应性液体混合物,将碳酸盐沉淀在反应性液体混合物中的种子上 从而获得反应的液体混合物和M-碳酸酯前体,并将M-碳酸酯前体与反应的液体混合物分离。
    • 8. 发明申请
    • ECONOMICAL PROCESS FOR THE PRODUCTION OF SI BY REDUCTION OF SICL4 WITH LIQUID ZN
    • 通过减少SICL4与液氮生产SI的经济过程
    • WO2008145236A1
    • 2008-12-04
    • PCT/EP2008/003276
    • 2008-04-24
    • UMICOREROBERT, EricZIJLEMA, Tjakko
    • ROBERT, EricZIJLEMA, Tjakko
    • C01B33/033C01B33/037C30B29/06
    • C01B33/033C01B33/037
    • The invention relates to an economical process for manufacturing high purity silicon as a base material for the production of e.g. crystalline silicon solar cells. SiCl 4 is converted to Si metal by contacting gaseous SiCl 4 with liquid Zn, in a process comprising the steps of: - providing an initial quantity of molten Zn bath in a reactor; - blowing gaseous SiCl 4 into said molten bath Zn, thereby obtaining a Si-bearing metal phase and Zn-chloride; - separating the Zn-chloride from the Si-bearing metal phase; and - purifying the Si-bearing metal phase at a temperature above the boiling point of Zn, thereby vaporising Zn and obtaining Si metal; wherein the contacting and the separation steps are performed in a single reactor, and characterised in that the contacting step is performed by injecting SiCl 4 at a molar flow rate between 0.1 and 0.8 mol%/mol.min, and preferably between 0.4 and 0.8 mol%/mol.min of the initial Zn quantity, and with a maximum areal supply rate of 50 kg/min per m of bath surface. This process does not require complicated technologies and preserves the high purity of the SiCl 4 towards the end product, as the only reactant is Zn, which can be obtained in very high purity grades and continuously recycled.
    • 本发明涉及一种用于制造高纯度硅作为生产例如氧化硅的基材的经济方法。 晶体硅太阳能电池。 SiCl4通过使气态SiCl4与液态Zn接触而转化为Si金属,方法包括以下步骤: - 在反应器中提供初始量的熔融Zn浴; - 将气态SiCl 4吹入所述熔池Zn中,从而获得含Si的金属相和氯化锌; - 从含Si的金属相中分离出氯化锌; 并在高于Zn沸点的温度下纯化含Si金属相,从而汽化Zn并获得Si金属; 其中所述接触和分离步骤在单个反应器中进行,其特征在于,所述接触步骤通过以0.1至0.8mol%/ mol.min,优选0.4至0.8mol%的摩尔流速注入SiCl 4来进行, / mol.min的初始Zn量,最大面积供应速率为50kg / min / m浴表面。 该方法不需要复杂的技术,并且保持SiCl4向最终产物的高纯度,因为唯一的反应物是Zn,其可以以非常高纯度的等级获得并连续回收。