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    • 4. 发明申请
    • Intercalation compounds for batteries and other devices
    • US20080099734A1
    • 2008-05-01
    • US11732139
    • 2007-04-02
    • Yet-Ming ChiangDonald R. SadowayYoung-Il JangBiying Huang
    • Yet-Ming ChiangDonald R. SadowayYoung-Il JangBiying Huang
    • C01F7/00C01G45/00C01D15/00H01B1/02
    • Solid battery components are provided. A block copolymeric electrolyte is non-crosslinked and non-glassy through the entire range of typical battery service temperatures, that is, through the entire range of at least from about 0° C. to about 70° C. The chains of which the copolymer is made each include at least one ionically-conductive block and at least one second block immiscible with the ionically-conductive block. The chains form an amorphous association and are arranged in an ordered nanostructure including a continuous matrix of amorphous ionically-conductive domains and amorphous second domains that are immiscible with the ionically-conductive domains. A compound is provided that has a formula of LixMyNzO2. M and N are each metal atoms or a main group elements, and x, y and z are each numbers from about 0 to about 1. y and z are chosen such that a formal charge on the MyNportion of the compound is (4−x). In certain embodiments, these compounds are used in the cathodes of rechargeable batteries. The present invention also includes methods of predicting the potential utility of metal dichalgogenide compounds for use in lithium intercalation compounds. It also provides methods for processing lithium intercalation oxides with the structure and compositional homogeneity necessary to realize the increased formation energies of said compounds. An article is made of a dimensionally-stable, interpenetrating microstructure of a first phase including a first component and a second phase, immiscible with the first phase, including a second component. The first and second phases define interphase boundaries between them, and at least one particle is positioned between a first phase and a second phase at an interphase boundary. When the first and second phases are electronically-conductive and ionically-conductive polymers, respectively, and the particles are ion host particles, the arrangement is an electrode of a battery.
    • 6. 发明申请
    • NOVEL NANOSCALE SOLUTION METHOD FOR SYNTHESIZING LITHIUM CATHODE ACTIVE MATERIALS
    • 用于合成锂离子活性材料的新型纳米溶液方法
    • US20110300442A1
    • 2011-12-08
    • US12792207
    • 2010-06-02
    • Biying Huang
    • Biying Huang
    • H01M4/131H01M4/60
    • H01M4/5825H01M10/052
    • The present invention relates to a solution based method for preparing an nano scale electroactive metal polyanion or a mixed metal polyanion comprising reacting metal sulfate—M(SO4)x and/or other soluble metal salts, here M could be iron, cobalt, manganese, nickel or mixtures thereof, with a solution of sodium hydroxide with addition of solution of ammonium hydroxide, in the presence of water, drying the nano-intermediate M(OH)2 or M1M2(OH)2 or M1M2M3(OH)2, or MO(OH) or M1M2O(OH) or M1M2M3O(OH), mixing the dried intermediate with a soluble lithium precursor and soluble PO4 containing precursor and a soluble polymer carbon, well mixed the mixture, and then removing said solvent at a temperature and for a time sufficient to remove the solvent and form an essentially dried mixture; and heating said mixture at a temperature and for a time sufficient to produce an electroactive metal polyanion or electroactive mixed metal polyanion. It is another object of the invention to provide electrochemically active materials produced by said methods. The electrochemically active materials so produced are useful in making electrodes and batteries.
    • 本发明涉及一种制备纳米级电活性金属聚阴离子或混合金属聚阴离子的基于溶液的方法,其包括使金属硫酸盐-M(SO 4)x和/或其它可溶性金属盐反应,这里M可以是铁,钴,锰, 镍或其混合物与氢氧化钠溶液加入氢氧化铵溶液,在水存在下,干燥纳米中间体M(OH)2或M1M2(OH)2或M1M2M3(OH)2或MO (OH)或M1M2O(OH)或M1M2M3O(OH),将干燥的中间体与可溶性锂前体和可溶的含PO4的前体和可溶性聚合物碳混合,将混合物充分混合,然后在一定温度下除去所述溶剂 足以除去溶剂并形成基本上干燥的混合物的时间; 并在足以产生电活性金属聚阴离子或电活性混合金属聚阴离子的温度和时间下加热所述混合物。 本发明的另一个目的是提供通过所述方法生产的电化学活性材料。 所生产的电化学活性材料可用于制造电极和电池。