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    • 1. 发明申请
    • DIELECTRIC ELASTOMER COMPOSITES AND ACTUATORS USING THE SAME
    • 电介质弹性体复合材料和使用它的执行器
    • US20130049530A1
    • 2013-02-28
    • US13643774
    • 2010-08-24
    • Chong Min KooSoon Man HongSeung Sang HwangKyung Youl BaekSoon Jong KwakMyung Hee KimBo Ri KimHee La KwakKyung Ho MinYoun Duk Park
    • Chong Min KooSoon Man HongSeung Sang HwangKyung Youl BaekSoon Jong KwakMyung Hee KimBo Ri KimHee La KwakKyung Ho MinYoun Duk Park
    • H02N11/00B05D5/12B82Y99/00
    • H01L41/193H01L41/0986H01L41/45
    • The present invention relates to an actuator which is one of the energy conversion devices, and is characterized by improving the ability to convert electrical energy into mechanical energy by way of using a dielectric elastomer composite comprising a filler with an efficient dispersibility. In case of using a conventional resilient dielectric layer, there was a problem in that the operating voltage is high, while advantageously exhibiting a fast response and a high strain. The present invention can provide dielectric elastomer composite actuators that show excellent electromechanical conversion properties, by adding a dispersing agent such as a pyrene derivative or a polymeric compound having an amine end group when preparing the composite wherein carbon-based conductive fillers such as carbon blacks, single-walled carbon nanotubes (SWCNTs), double-walled carbon nanotubes (DWCNTs), multi-walled carbon nanotubes (MWCNTs) and graphenes, or high dielectric fillers such as copper phthalo-cyanine (CuPc), MOFs (metal organic frameworks) and barium titanate (BaTiO3) are comprised in a thermoplastic resilient dielectric layer to enhance the dispersibility of the fillers.
    • 本发明涉及作为能量转换装置之一的致动器,其特征在于,通过使用包含具有高分散性的填料的介电弹性体复合材料,提高将电能转换成机械能的能力。 在使用传统的弹性介电层的情况下,存在操作电压高的问题,同时有利地表现出快速响应和高应变。 通过在制备复合材料时,通过添加分散剂如芘衍生物或具有胺端基的聚合化合物,本发明可以提供显示出优异机电转化性能的介电弹性体复合致动器,其中碳基导电填料如炭黑, 单壁碳纳米管(SWCNT),双壁碳纳米管(DWCNT),多壁碳纳米管(MWCNT)和石墨烯,或高介电填料如铜酞菁(CuPc),MOFs(金属有机骨架)和 钛酸钡(BaTiO 3)包含在热塑性弹性介电层中以增强填料的分散性。
    • 7. 发明申请
    • Method to manufacture composite polymer electrolyte membranes coated with inorganic thin films for fuel cells
    • 制造涂覆有燃料电池无机薄膜的复合高分子电解质膜的方法
    • US20070231655A1
    • 2007-10-04
    • US11796469
    • 2007-04-27
    • Heung-Yong HaSoon Jong KwakDaejin KimJuno ShimIn-Hwan OhSeong-Ahn HongTae-Hoon LimSuk-Woo Nam
    • Heung-Yong HaSoon Jong KwakDaejin KimJuno ShimIn-Hwan OhSeong-Ahn HongTae-Hoon LimSuk-Woo Nam
    • H01M8/10
    • C08J5/2287C08J2327/18H01M4/881H01M8/04197H01M8/1023H01M8/1025H01M8/103H01M8/1039H01M8/1055H01M8/1069H01M2300/0094Y02E60/523Y02P70/56
    • The present invention relates to a method for manufacturing composite polymer electrolyte membranes coated with inorganic thin films for fuel cells using a plasma enhanced chemical vapor deposition (PECVD) method or a reactive sputtering method, so as to reduce the crossover of methanol through polymer electrolyte membranes for fuel cells and enhance the performance of the fuel cells. The manufacturing method of composite polymer electrolyte membranes coated with inorganic thin films for fuel cells according to the present invention is characterized to obtain composite membranes by coating the surface of commercial composite polymer electrolyte membranes for fuel cells with inorganic thin films using a PECVD method or a reactive sputtering method. The inorganic materials to form the inorganic thin films are chosen one or more from the group comprising silicon oxide (SiO2), titanium oxide (TiO2), zirconium oxide (ZrO2), zirconium phosphate (Zr(HPO4)2), zeolite, silicalite, and aluminum oxide (Al2O3). The present invention, by coating the polymer electrolyte membranes for fuel cells with inorganic thin films via a PECVD method or a reactive sputtering method, reduces the methanol crossover sizably without seriously reducing the ionic conductivity of polymer electrolyte membranes, thereby, when applied to fuel cells, realizes a high performance of fuel cells.
    • 本发明涉及使用等离子体增强化学气相沉积(PECVD)法或反应溅射法制造涂覆有燃料电池的无机薄膜的复合聚合物电解质膜的方法,从而减少甲醇通过聚合物电解质膜的交叉 用于燃料电池并增强燃料电池的性能。 根据本发明的用于燃料电池的无机薄膜的复合高分子电解质膜的制造方法的特征在于,通过使用PECVD法或无机薄膜将无机薄膜涂覆用于燃料电池的市售复合高分子电解质膜的表面,来获得复合膜 反应溅射法。 形成无机薄膜的无机材料选自一种或多种,​​其中包括氧化硅(SiO 2),氧化钛(TiO 2),氧化锆(ZrO 2) 磷酸锆(Zr(HPO 4)2)),沸石,硅沸石和氧化铝(Al 2 O 3) SUB> O 3 3)。 本发明通过PECVD法或反应溅射法通过用无机薄膜涂覆燃料电池用聚合物电解质膜,可以在不严重降低聚合物电解质膜的离子电导率的情况下,相应地降低甲醇交换,从而当应用于燃料电池 实现燃料电池的高性能化。