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21.发明授权
公开(公告)号：KR100967626B1
公开(公告)日：2010-07-05
申请号：KR1020080058795
申请日：2008-06-23
Applicant: 한국에너지기술연구원
CPC classification number: Y02P20/542 , Y02P70/56
Abstract: 본 발명은, 술폰화된 탄화수소계열 고분자에 이온성 액체를 혼합 조성하여 특정온도 이상의 고온, 특정 상대습도 미만의 환경에서도 보다 높은 이온전도도로 작동가능 한 전해질 막을 얻을 수 있도록 함으로써, 이를 이용하여 제조된 연료전지를 운전할 때 연료전지 시스템의 간소화 및 보다 수월한 가스 확산층의 물관리에 의해 연료전지 시스템의 성능을 향상시킬 수 있는 고온 저가습 조건에서 운전 가능한 이온성 액체를 함유하는 연료전지용 고분자 복합막 및 그 제조방법에 관한 것이다.
이를 위해 본 발명은, 탄화수소계열 고분자를 술폰화하여 매트릭스로 이용하고, 이 고분자 매트릭스에 이온성 액체를 함유하여 조성된 것을 특징으로 하는 고온 저가습 조건에서 운전 가능한 이온성 액체를 함유하는 연료전지용 고분자 복합막을 제공한다.
상기 복합막을 제조하기 위해 본 발명은, (a) 술폰화된 탄화수소계열 고분자를 용매에 용해시켜 고분자 용액을 형성하는 단계와; (b) 상기 고분자용액에 이온성 액체를 첨가하는 단계와; (c) 상기 이온성 액체와 고분자 용액의 혼합물을 기계적으로 교반하는 단계와; (d) 상기 교반된 결과물을 막 형태로 캐스팅한 다음 1차 건조하는 단계; 및 (e) 상기 1차 건조 후, 진공 조건에서 2차 건조하는 단계를 수행한다.
연료전지, 고분자, 전해질 막, 이온성 액체-
22.发明公开술폰산 함유 지방족 액상 단량체-아크릴아미드 무수 가교 고분자 전해질 복합막의 제조방법 및 이를 이용한 고분자전해질 연료전지 无效用含有磺酸 - 丙烯酰胺的无水脂肪族单体和使用其的聚合物电解质燃料电池交联的复合膜的制备方法
公开(公告)号：KR1020090113175A
公开(公告)日：2009-10-29
申请号：KR1020090001640
申请日：2009-01-08
Applicant: 한국에너지기술연구원
Abstract: PURPOSE: A method for preparing composite membranes crosslinked with anhydrous aliphatic monomer containing sulfonic acid-acrylamide is provided to ensure excellent ion conductivity and high durability and to reduce manufacturing cost. CONSTITUTION: A method for preparing composite membranes crosslinked with anhydrous aliphatic monomer containing sulfonic acid-acrylamide comprises a step of forming a membrane by synthesizing polyelectrolyte on a porous polymer support. The polyelectrolyte is cross-linked with sulfonic acid-aliphatic liquid monomer and an acrylamide-based cross-linking agent.
Abstract translation: 目的：提供一种制备与含有磺酸 - 丙烯酰胺的无水脂族单体交联的复合膜的方法，以确保优异的离子传导性和高耐久性，并降低制造成本。 构成：制备用含有磺酸 - 丙烯酰胺的无水脂肪族单体交联的复合膜的方法包括通过在多孔聚合物载体上合成聚电解质来形成膜的步骤。 聚电解质与磺酸 - 脂族液体单体和基于丙烯酰胺的交联剂交联。
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公开(公告)号：KR1020090069353A
公开(公告)日：2009-07-01
申请号：KR1020070136992
申请日：2007-12-26
Applicant: 한국에너지기술연구원
IPC: H01M8/10
CPC classification number: Y02E60/523 , Y02P70/56
Abstract: A polymer electrolyte composite membrane for a fuel cell is provided to realize simple manufacturing process and reduced manufacturing costs while having excellent hydrogen ion conductivity by using PTFE and PE which are a porous support together with a vinylpyrrolidone monomer. A method for manufacturing a polymer electrolyte composite membrane containing a styrene-vinylpyrrolidone copolymer comprises the steps of: (i) impregnating a porous supporter in a mixed solution consisting of styrene, vinylpyrrolidone, cross-linking agent and initiator; (ii) heat-polymerizing the impregnated porous supporter in an oven; (iii) introducing a sulfonic acid group by sulfonating the polymerized styrene-vinylpyrrolidone copolymer composite film; and (iv) substituting the sulfonated composite film for a hydrogen ion form.
Abstract translation: 提供一种用于燃料电池的聚合物电解质复合膜，以通过使用作为多孔载体的PTFE和PE与乙烯基吡咯烷酮单体一起具有优异的氢离子传导性，实现简单的制造工艺并降低制造成本。 含有苯乙烯 - 乙烯基吡咯烷酮共聚物的聚合物电解质复合膜的制造方法包括以下步骤：（i）在由苯乙烯，乙烯基吡咯烷酮，交联剂和引发剂组成的混合溶液中浸渍多孔载体; （ii）在烘箱中使浸渍的多孔支持体热聚合; （iii）通过磺化聚合的苯乙烯 - 乙烯基吡咯烷酮共聚物复合膜引入磺酸基团; 和（iv）用磺化复合膜代替氢离子形式。
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24.发明公开이온성 액체를 함유하는 폴리머 전해질과 이오노머바인더를 포함하는 막-전극접합체, 이의 제조방법 및 이를포함하는 연료전지 有权包含基于离子液体浸渍聚合物的原子导电电解质和离子体粘合剂的膜 - 电极组件，其制造方法和使用其的燃料电池
公开(公告)号：KR1020090034627A
公开(公告)日：2009-04-08
申请号：KR1020070099972
申请日：2007-10-04
Applicant: 한국에너지기술연구원
CPC classification number: Y02P70/56 , H01M4/881 , H01M4/8663 , H01M4/8668 , H01M4/8896 , H01M4/92 , H01M8/1004 , H01M2008/1095 , Y02E60/521
Abstract: An membrane-electrode assembly is provided to be thermally stable at the temperature of 230-320 °C, to be used in the humidification environment and to maximize the performance of a proton exchange membrane fuel cell. A method for preparing a membrane-electrode assembly comprises the steps of: (i) manufacturing a polymer copolymer containing the ionic liquid; (ii) manufacturing an electrolyte membrane and ionomer binder by using an ionic liquid-containing polymer copolymer; (iii) manufacturing catalytic slurry and electrode; and (iv) heat-compressing the electrolyte membrane and a gas diffusing material coated with the electrode. The polymer copolymer is a polyvinylidene fluoride-hexafluoropropylene copolymer containing 2,3-dimethyl-1-octylimidazolium trifluoromethane sulfonate used as a proton conductor.
Abstract translation: 膜 - 电极组件设置为在230-320℃的温度下是热稳定的，以在加湿环境中使用，并使质子交换膜燃料电池的性能最大化。 一种制备膜 - 电极组件的方法包括以下步骤：（i）制备含有离子液体的聚合物共聚物; （ii）通过使用含离子液体的聚合物共聚物制造电解质膜和离聚物粘合剂; （iii）制造催化浆料和电极; 和（iv）热压电解质膜和涂覆有电极的气体扩散材料。 聚合物共聚物是含有用作质子导体的2,3-二甲基-1-辛基咪唑三氟甲磺酸酯的聚偏二氟乙烯 - 六氟丙烯共聚物。
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公开(公告)号：KR100835703B1
公开(公告)日：2008-06-05
申请号：KR1020060110929
申请日：2006-11-10
Applicant: 한국에너지기술연구원
IPC: H01L21/20
Abstract: 본 발명은 물과 기체를 통과시키는 다수의 기공들을 포함한 다공질 실리콘 박막에서, 기공 입구 주위에 열변형 구조체를 설치하여 기공을 통과하는 물의 이동을 조절하는 것에 관한 것이다.
구체적으로 물과 접촉하는 면에서 친수성 물질로 코팅된 박막 표면으로부터 기공의 주위에 설치되는 열변형 구조체는 표면에서의 온도 변화에 따라 기공의 크기를 조절함으로써 모세관압 차이에 의해 기공을 통과하는 물의 이동량을 조절할 수 있다.
실리콘 박막, 열변형율-
Patent Agency Ranking
公开(公告)号：KR1020080042774A
公开(公告)日：2008-05-15
申请号：KR1020080002486
申请日：2008-01-09
Applicant: 한국에너지기술연구원
IPC: H01L21/20
Abstract: A method of manufacturing a porous silicon thin film by controlling the movement of fluid according to temperature is provided to simultaneous introduce and discharge water and air through a pore by adjusting size of the pore according to the temperature of a surface of the thin film. A method of manufacturing a porous silicon thin film comprises the following steps of: forming a photo resist of a ring-shaped pattern on a surface of a silicon wafer; removing an upper photo resist by performing a DIRE process; forming a photo resist having a hole-shaped pattern on a bottom surface of the silicon wafer; forming a plurality of pores penetrating through the silicon wafer; removing the photo resist formed on bottom surface of the silicon wafer; coating an upper surface of the silicon wafer with a thermal transformation member; and removing the coated thermal transformation member through an exposure process while remaining only a ring-shaped thermal transformation structure around the pores.
Abstract translation: 提供通过根据温度控制流体的移动来制造多孔硅薄膜的方法，以通过根据薄膜表面的温度调节孔的尺寸来同时引入和排出水和空气通过孔。 制造多孔硅薄膜的方法包括以下步骤：在硅晶片的表面上形成环状图案的光致抗蚀剂; 通过执行DIRE处理去除上部光刻胶; 在所述硅晶片的底面上形成具有孔状图案的光致抗蚀剂; 形成贯穿硅晶片的多个孔; 去除形成在硅晶片的底表面上的光致抗蚀剂; 用热转印部件涂覆硅晶片的上表面; 并且通过曝光过程去除涂覆的热转化构件，同时在孔附近仅保留环形热转变结构。
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公开(公告)号：KR1020080042455A
公开(公告)日：2008-05-15
申请号：KR1020060110929
申请日：2006-11-10
Applicant: 한국에너지기술연구원
IPC: H01L21/20
CPC classification number: H01L21/02203 , H01L21/02164 , H01L21/02532 , H01L21/324
Abstract: A porous silicon thin film capable of controlling fluid movement by temperature is provided to control the movement speed and an amount of water by using a structure made of a material having high thermal strain installed around of pores. A porous thin film includes a plurality of pores(1). A region for passing gas is coated with a non-aqueous material. A region for passing water is coated with an aqueous material. A structure made of a material having high thermal strain is installed around of the pores. The structure is installed into a certain depth of the pore from an entrance of the pore. The porous thin film is a silicon material(3). The silicon material is one of single crystalline silicon, poly crystal silicon, and epi silicon. The aqueous material is SiO2. The non-aqueous material is silen. The material having high thermal strain is one of SU-8, PDMS(polydimethylsiloxane), and PMMA(polymethyl methacrylate).
Abstract translation: 提供能够通过温度控制流体移动的多孔硅薄膜，以通过使用由安装在孔周围的具有高热应变的材料制成的结构来控制移动速度和水量。 多孔薄膜包括多个孔（1）。 通过气体的区域涂覆有非水性材料。 通过水的区域涂覆有水性材料。 由具有高热应变的材料制成的结构安装在孔的周围。 该结构从孔的入口安装到孔的一定深度。 多孔薄膜是硅材料（3）。 硅材料是单晶硅，多晶硅和外延硅之一。 水性材料为SiO 2。 非水性材料是硅胶。 具有高热应变性的材料是SU-8，PDMS（聚二甲基硅氧烷）和PMMA（聚甲基丙烯酸甲酯）之一。
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30.发明公开
公开(公告)号：KR1020110035124A
公开(公告)日：2011-04-06
申请号：KR1020090092691
申请日：2009-09-29
Applicant: 한국에너지기술연구원
CPC classification number: Y02E60/523 , Y02P70/56
Abstract: PURPOSE: A method for preparing a composite membrane crosslinked with anhydrous liquid monomer acrylamide containing sulfonic acids is provided to obtain a polymer electrolyte composite membrane with excellent hydrogen ion conductivity and mechanical property. CONSTITUTION: A method for preparing a composite membrane crosslinked with anhydrous liquid monomer acrylamide containing sulfonic acids comprises the steps of: impregnating a porous polymer support pre-processed by surfactants to become hydrophilic in a mixed solution containing sulfonic acid-containing anhydrous liquid monomer and bisacrylamide-based cross-linking agent; and photocrosslinking the porous polymer support by low ultraviolet energy irradiation of 150 mJ/cm^2 or less.
Abstract translation: 目的：提供一种制备与含有磺酸的无水液体单体丙烯酰胺交联的复合膜的方法，以获得具有优异氢离子传导性和机械性能的聚合物电解质复合膜。 构成：制备用含磺酸的无水液体单体丙烯酰胺交联的复合膜的方法包括以下步骤：将含有含磺酸的无水液体单体和双丙烯酰胺的混合溶液中的表面活性剂预处理的多孔聚合物载体浸渍成亲水性 的交联剂; 并通过150mJ / cm 2以下的低紫外线能量照射使多孔聚合物载体光致交联。
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