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    • 1. 发明公开
    • 나노 구조를 가진 금속-카본 복합체 및 그의 제조방법
    • 具有氢存储潜力的纳米结构的金属碳复合物及其制备方法
    • KR1020040090377A
    • 2004-10-22
    • KR1020030058480
    • 2003-08-23
    • 한국과학기술원경원엔터프라이즈 주식회사
    • 우성일최원춘
    • B82B3/00B82Y40/00
    • C01B32/90B82Y40/00C01B32/935C01P2004/64
    • PURPOSE: A metal-carbon complex having a nanostructure and a preparation method thereof are provided to improve the efficiency and the potential of hydrogen storage, thereby helping to save the natural energy resources and solve the environmental problem, without additional changes on a conventional device. Further, depending on the metal used thereto, the complex can be used to various catalyst reactions and as electric materials. CONSTITUTION: The metal-carbon complex having a nanostructure is prepared by: preparing a nanosized mold, wherein the nanosized mold is silica oxides, alumina oxides or mixtures thereof; firing the mold; impregnating the mold with a metal by using a metal precursor; adding thereto a carbon precursor and mixing it homogeneously; reacting the mixture; carbonizing the reacted mixture; and removing the nanosized mold from the carbonized mixture.
    • 目的:提供具有纳米结构的金属 - 碳络合物及其制备方法,以提高储氢的效率和潜力,从而有助于节省自然能源并解决环境问题,而不需要对常规装置进行额外的改变。 此外,根据其使用的金属,络合物可以用于各种催化剂反应和电气材料。 构成:具有纳米结构的金属 - 碳络合物通过以下步骤制备:制备纳米尺寸的模具,其中所述纳米尺寸的模具是氧化硅,氧化铝或其混合物; 点燃模具; 通过使用金属前体用金属浸渍模具; 加入碳前体并均匀混合; 使混合物反应; 碳化反应混合物; 并从碳化混合物中除去纳米尺寸的模具。
    • 3. 发明公开
    • 연료전지의 전극용 촉매
    • 燃料电池用催化剂
    • KR1020040007854A
    • 2004-01-28
    • KR1020020040449
    • 2002-07-11
    • 한국과학기술원
    • 우성일최원춘
    • H01M4/88
    • PURPOSE: Provided is a catalyst for fuel cell electrode, which exhibits excellent properties in methanol oxidation and oxygen reduction compared to the conventional catalyst, and can be prepared at low cost due to reduction of the use of precious metals, by using a system comprised of at least four metal components. CONSTITUTION: The catalyst for fuel cell electrode comprises at least 4 metal components selected from the group consisting of platinum, ruthenium, molybdenum, tungsten, gold, iron, selenium, cobalt, and nickel; optionally inorganic supports such as carbon supports.
    • 目的:提供了一种燃料电池电极的催化剂,与常规催化剂相比,在甲醇氧化和氧还原方面表现出优异的性能,并且可以由于贵金属的使用减少而以低成本制备,通过使用由 至少四个金属部件。 构成:燃料电池用电极的催化剂含有选自铂,钌,钼,钨,金,铁,硒,钴和镍中的至少4种金属成分。 任选的无机载体如碳载体。
    • 5. 发明公开
    • 연료전지용 촉매의 제조방법 및 연료전지용 촉매
    • 生产燃料电池催化剂的方法
    • KR1020040063010A
    • 2004-07-12
    • KR1020030000406
    • 2003-01-04
    • 한국과학기술원
    • 우성일최원춘
    • H01M4/90B82Y30/00
    • PURPOSE: Provided is a process for producing a catalyst for a fuel cell excellent in an oxidation-reduction activated electric density, which can reduce process and a using amount of a metal for the catalyst. CONSTITUTION: The process for producing the catalyst for the fuel cell comprises the steps of: soaking a metal precursor for the catalyst in a silicon oxide nano mold; adding a carbon precursor continuously to mix uniformly; reacting the mixture at 100-160deg.C and carbonizing at 800-1000deg.C. The nano mold is silica, alumina, or a mixture thereof and the metal precursor for the catalyst is selected from the group consisting of platinum, ruthenium, iridium, osmium, rhodium, molybdenum, tungsten, gold, iron, and selenium.
    • 目的:提供一种氧化还原活性电密度优异的燃料电池用催化剂的制造方法,能够降低催化剂的金属的使用量和使用量。 构成:用于生产燃料电池用催化剂的方法包括以下步骤:将催化剂的金属前体浸渍在氧化硅纳米模具中; 连续加入碳前体以均匀混合; 将混合物在100-160℃下反应并在800-1000℃碳化。 纳米模具是二氧化硅,氧化铝或其混合物,催化剂的金属前体选自铂,钌,铱,锇,铑,钼,钨,金,铁和硒。
    • 6. 发明公开
    • 직접 연료전지용 고분자 전해질의 제조방법
    • 用于直接燃料电池的聚合物电极的制备方法
    • KR1020030075773A
    • 2003-09-26
    • KR1020020015140
    • 2002-03-20
    • 한국과학기술원
    • 홍원희우성일김여진최원춘
    • H01M8/10
    • PURPOSE: A method for preparing a polymer electrode for a direct fuel cell is provided, to reduce the permeability of fuel without deterioration of the conductivity of hydrogen ion. CONSTITUTION: The method comprises the steps of swelling a polymer electrode in a solvent; combining a precursor of metal to be plugged with a polymer electrode having a cation exchange functional group by cation exchange; and plugging a metal cluster into the electrolyte membrane by chemically reducing the metal precursor. Preferably the polymer electrolyte is at least one selected from the group consisting of a perfluorosulfonate-based polymer, sulfonated polysulfone, sulfonated polybenzimidazole and sulfonated polyether ether ketone. Preferably the metal is at least one selected from the metals of groups 3 to 15, and more preferably the metal is at least one selected from the group consisting of Pd, Pt, Ti, Sn and W. Preferably the solvent is an aliphatic alcohol or water.
    • 目的:提供一种制备用于直接燃料电池的聚合物电极的方法,以降低燃料的渗透性而不会降低氢离子的导电性。 方法:该方法包括在溶剂中溶胀聚合物电极的步骤; 通过阳离子交换将要堵塞的金属前体与具有阳离子交换官能团的聚合物电极组合; 并通过化学还原金属前体将金属簇插入电解质膜。 优选地,聚合物电解质是选自由全氟磺酸盐基聚合物,磺化聚砜,磺化聚苯并咪唑和磺化聚醚醚酮组成的组中的至少一种。 优选地,金属是选自组3至15的金属中的至少一种,更优选金属是选自Pd,Pt,Ti,Sn和W中的至少一种。优选地,溶剂是脂族醇或 水。