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    • 3. 发明授权
    • Composite separator for polymer electrolyte membrane fuel cell and method for manufacturing the same
    • 聚合物电解质膜燃料电池用复合隔膜及其制造方法
    • US08956767B2
    • 2015-02-17
    • US12823855
    • 2010-06-25
    • Dai Gil LeeHa Na YuJun Woo LimSae Hoon KimJung Do SuhByung Ki Ahn
    • Dai Gil LeeHa Na YuJun Woo LimSae Hoon KimJung Do SuhByung Ki Ahn
    • H01M2/16H01M8/02B32B38/00B32B37/00H01M8/10
    • H01M8/0228B32B37/0053B32B38/0004B32B2305/076B32B2309/04B32B2309/105B32B2309/12B32B2313/04B32B2457/18H01M8/0213H01M8/0221H01M8/0226H01M8/0234H01M8/0239H01M8/0245H01M2008/1095Y02E60/50Y02P70/56Y10T156/108
    • The present invention provides a composite separator for a polymer electrolyte membrane fuel cell (PEMFC) and a method for manufacturing the same, in which a graphite foil prepared by compressing expanded graphite is stacked on a carbon fiber-reinforced composite prepreg or a mixed solution prepared by mixing graphite flake and powder with a resin solvent is applied to the cured composite prepreg such that a graphite layer is integrally molded on the outermost end of the separator.For this purpose, the present invention provides a method for manufacturing a composite separator for a polymer electrolyte membrane fuel cell, the method including: preparing a prepreg as a continuous carbon fiber-reinforced composite and a graphite foil; allowing the cut prepreg and graphite foil to pass through a stacking/compression roller to be compressed; allowing the prepreg in which the graphite foil is integrally stacked to be heated and pressed by a hot press such that hydrogen, air, and coolant flow fields are formed or to pass through a hot roller to be formed into a separator; removing unnecessary portions from the heated and pressed separator using a trim cutter; and post-curing the thus formed separator, wherein the graphite foil may be stacked on the prepreg as the continuous carbon fiber-reinforced composite such that a graphite layer is integrally formed with the prepreg.
    • 本发明提供了一种用于聚合物电解质膜燃料电池(PEMFC)的复合隔板及其制造方法,其中通过压缩膨胀石墨制备的石墨箔堆叠在碳纤维增强复合材料预浸料或制备的混合溶液 通过将石墨片和粉末与树脂溶剂混合施加到固化的复合预浸料上,使得石墨层一体地模制在隔板的最外端。 为此,本发明提供一种高分子电解质膜燃料电池用复合隔膜的制造方法,其特征在于,包括:将预浸料作为连续碳纤维增强复合体和石墨箔制备; 允许切片预浸料和石墨箔通过堆叠/压缩辊进行压缩; 允许通过热压机将石墨箔整体堆叠的预浸料加热和压制,使得形成氢气,空气和冷却剂流场,或者通过待形成的隔热膜的热辊; 使用修剪刀从加热和压制的分离器去除不需要的部分; 并对由此形成的隔板进行后固化,其中石墨箔可以作为连续碳纤维增强复合材料堆叠在预浸料上,使得石墨层与预浸料一体形成。
    • 4. 发明申请
    • CONTINUOUS CIRCULATION SAND FILTER AND CONTINUOUS CIRCULATION SAND FILTERING METHOD
    • 连续循环滤波器和连续循环滤波方法
    • US20140190908A1
    • 2014-07-10
    • US14240130
    • 2012-09-06
    • Youn-Kook KimYou-Mee NaHo-Chan JungHa-Na Yu
    • Youn-Kook KimYou-Mee NaHo-Chan JungHa-Na Yu
    • C02F1/00
    • C02F1/004B01D24/22B01D24/4689
    • Provided is a continuous circulation sand filter including a filtering barrel filled with a sand filtering layer, an inflow tube for introducing raw water into the filtering barrel, a treated water discharge part for discharging treated water purified by passing the raw water through the sand filtering layer from a lower end of the sand filtering layer to an upper end thereof, an air lift tube for transferring contaminated sand, located in the lower end of the sand filtering layer, from a lower part of the filtering barrel to an upper part thereof, a transfer water discharge filter contacting the air lift tube to discharge transfer water moved upward together with sand through the air lift tube and trap the sand and a foreign substance, a descent guide tube downwardly moving the sand and the foreign substance moved to the upper part of the filtering barrel through the air lift tube, and a foreign substance separation tube suctioning the downwardly moving foreign substance to remove the foreign substance from the downwardly moving sand, and discharging the foreign substance.
    • 提供一种连续循环砂过滤器,其包括填充有砂过滤层的过滤桶,用于将原水引入过滤筒的流入管,用于排出经过原水经过砂滤层净化的处理水的处理水排出部 从砂过滤层的下端到其上端,设置有用于将位于砂滤层的下端的污染砂从过滤筒的下部转移到其上部的空气提升管, 转移排水过滤器与空气提升管接触,排出与砂一起向上移动的输送水,并通过空气提升管捕获沙子和异物,下降导管向下移动沙子和异物移动到上部 过滤桶通过空气提升管,以及异物分离管抽吸向下移动的异物以除去 来自向下移动的沙子的异物,并排出异物。