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公开(公告)号：KR101047415B1
公开(公告)日：2011-07-08
申请号：KR1020080041741
申请日：2008-05-06
IPC: H01M8/10 , C08L101/12
CPC classification number: H01M4/928 , H01M4/8668 , H01M4/8828 , H01M4/90 , H01M4/92 , H01M8/1007
Abstract: 본 발명은 고분자 전해질 연료전지용 전극 바인더 용액 조성물에 관한 것으로서, 기존의 고분자 전해질 연료전지용 전극 바인더 용액과는 다르게 용매와 비용매로 이루어진 혼합용제를 도입한 것을 그 특징으로 한다.
본 발명의 고분자 전해질 연료전지용 전극 바인더 용액 조성물은 고분자 전해질 연료전지의 전극 촉매 층에서 촉매/바인더/연료가 이루는 삼상 계면 형성을 극대화하여 전극의 활성을 크게 개선시킬 수 있다.
고분자 전해질 연료전지, 전극 바인더, 비용매-
公开(公告)号：KR101063215B1
公开(公告)日：2011-09-07
申请号：KR1020080015338
申请日：2008-02-20
IPC: H01M8/10
CPC classification number: B01D69/12 , B01D67/0088 , B01D71/34 , B01D71/36 , B01D71/52 , B01D71/68 , B01D71/82 , C08J5/2275 , C08J2381/02 , H01M8/1025 , H01M8/1027 , H01M8/103 , H01M8/1032 , H01M8/1039 , H01M8/1044 , H01M8/1053 , H01M8/106 , H01M8/1067 , H01M8/1081 , H01M2300/0082 , Y02P70/56
Abstract: 본 발명은 수소이온 전도성 강화 복합막의 제조방법에 관한 것으로, 보다 상세하게는 수소 이온 전도성 물질로써 술폰화된 탄화수소계 고분자에 첨가제를 도입하고, 이것을 치수 안정성이 우수한 다공성 고분자에 함침시켜 완성시킨 강화 복합막 및 그 제조 방법에 관한 것이다.
제조한 강화 복합막은 고분자 전해질 막의 두께를 최소화함으로써 연료전지의 셀저항을 최소화하고 치수 안정성을 개선하여 연료전지의 계면 안정성 확보를 통해 장기 성능을 향상시킬 수 있다.
연료전지, 다공성 고분자, 첨가제, 강화 복합막, 함침-
公开(公告)号：KR1020090090079A
公开(公告)日：2009-08-25
申请号：KR1020080015338
申请日：2008-02-20
IPC: H01M8/10
CPC classification number: B01D69/12 , B01D67/0088 , B01D71/34 , B01D71/36 , B01D71/52 , B01D71/68 , B01D71/82 , C08J5/2275 , C08J2381/02 , H01M8/1025 , H01M8/1027 , H01M8/103 , H01M8/1032 , H01M8/1039 , H01M8/1044 , H01M8/1053 , H01M8/106 , H01M8/1067 , H01M8/1081 , H01M2300/0082 , Y02P70/56
Abstract: A reinforced composite membrane for a polymer electrolyte fuel cell is provided to minimize cell resistance of a fuel cell and to improve dimensional stability by minimizing the thickness of a polymer electrolyte membrane and to improve the performance of the fuel cell. A proton conductive reinforced composite membrane is such that a sulfonated hydrocarbon-based polymer composite material is impregnated into a porous polymer matrix. In the sulfonated hydrocarbon-based polymer composite material, an additive which is a polymer blend of single monomer or a mixture selected from the group consisting of vinylidene fluoride, hexafluoropropylene, trifluoroethylene and tetrafluoroethylene.
Abstract translation: 提供了一种用于聚合物电解质燃料电池的增强复合膜，以使燃料电池的电池电阻最小化，并且通过使聚合物电解质膜的厚度最小化并提高燃料电池的性能来提高尺寸稳定性。 质子传导性增强复合膜是将磺化烃基聚合物复合材料浸渍到多孔聚合物基体中。 在磺化烃基聚合物复合材料中，添加剂是单一单体或选自偏二氟乙烯，六氟丙烯，三氟乙烯和四氟乙烯的混合物的聚合物共混物。
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公开(公告)号：KR1020090116057A
公开(公告)日：2009-11-11
申请号：KR1020080041741
申请日：2008-05-06
IPC: H01M8/10 , C08L101/12
CPC classification number: H01M4/928 , H01M4/8668 , H01M4/8828 , H01M4/90 , H01M4/92 , H01M8/1007
Abstract: PURPOSE: An electrode-binder solution composition is provided to prevent agglomeration between a polymer dissolved in a solvent and a solvent catalyst by maximizing tertiary interface formation by formed a catalyst/binder/fuel. CONSTITUTION: An electrode-binder solution composition comprises 5~40 weight% of a sulfonated proton conducting hydrocarbon-based polymer and 60~95 weight% of a mixed solvent of solvent and non-solvent. The lfonated proton conducting hydrocarbon-based polymer has 10~80 mol% of degree of sulfonation. The solvent is one or two or more kinds of selected from N-methylpyrrolidone, dimethylformamide, dimethylacetamide, dimethylsulfoxide and ethanol. The nonsolvent is one or two or more kinds of selected from acetone, tetrahydrofuran, isopropylalcohol, acetic acid and methanol.
Abstract translation: 目的：提供电极 - 粘合剂溶液组合物，以通过形成催化剂/粘合剂/燃料来最大化三级界面形成来防止溶解在溶剂中的聚合物与溶剂催化剂之间的附聚。 构成：电极 - 粘合剂溶液组合物包含5〜40重量％的磺化质子传导烃基聚合物和60〜95重量％的溶剂和非溶剂的混合溶剂。 掺杂的质子传导烃基聚合物具有10〜80mol％的磺化度。 溶剂是选自N-甲基吡咯烷酮，二甲基甲酰胺，二甲基乙酰胺，二甲基亚砜和乙醇中的一种或两种以上。 非溶剂是选自丙酮，四氢呋喃，异丙醇，乙酸和甲醇中的一种或两种以上。
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公开(公告)号：KR1020070033538A
公开(公告)日：2007-03-27
申请号：KR1020050087814
申请日：2005-09-21
Applicant: 한국과학기술원
IPC: C07C313/04
Abstract: An interlocking membrane/electrode assembly based on cross-linkable polymers is provided to have good interfacial stability owing to excellent adhesion between a polymer electrolyte membrane and electrodes. The interlocking membrane/electrode assembly based on cross-linkable polymers is manufactured by the steps of: dissolving cross-linkable sulfonated polyethersulfone in a solvent to make a homogeneous solution, and then coating a glass substrate with the homogeneous solution to form an electrolyte membrane; mixing a cross-linkable sulfonated polyethersulfone as a binder of an electrode with a catalyst and a dispersing solvent to prepare a catalytic ink of an electrode, and then introducing the prepared catalytic ink into an electrode; and preparing MEA(membrane/ electrode assembly) using the prepared electrolyte membrane and the prepared electrode.
Abstract translation: 提供基于可交联聚合物的互锁膜/电极组件，由于聚合物电解质膜和电极之间的优异粘附性而具有良好的界面稳定性。 基于可交联聚合物的互锁膜/电极组件通过以下步骤制造：将可交联磺化聚醚砜溶解在溶剂中以制备均匀溶液，然后用均匀溶液涂布玻璃基板以形成电解质膜; 将可交联的磺化聚醚砜作为电极的粘合剂与催化剂和分散溶剂混合以制备电极的催化油墨，然后将制备的催化油墨引入电极中; 并使用制备的电解质膜和制备的电极制备MEA（膜/电极组件）。
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Patent Agency Ranking
公开(公告)号：KR1020060114580A
公开(公告)日：2006-11-07
申请号：KR1020050036848
申请日：2005-05-02
Applicant: 한국과학기술원
IPC: G02F1/1337
CPC classification number: G02F1/133711 , C09K19/56 , G02F1/133723 , G02F1/133788
Abstract: A liquid crystal alignment layer and a method for manufacturing the same are provided to induce the flexibility of a photo-reactive polymer, by reacting the photo-reactive polymer with a plasticizer. For forming a liquid crystal alignment layer, a photo-reactive polymer and a plasticizer are dissolved in an organic solvent. The plasticizer has a weight of 50 to 500 percents in comparison with the photo-reactive polymer. The mixture of the photo-reactive polymer and the plasticizer is coated on a glass substrate. The glass substrate having the coated mixture is thermally heated to obtain the liquid crystal alignment layer. An ultraviolet light is applies onto the obtained liquid crystal alignment layer.
Abstract translation: 提供液晶取向层及其制造方法，通过使光反应性聚合物与增塑剂反应来诱导光反应性聚合物的柔性。 为了形成液晶取向层，将光反应性聚合物和增塑剂溶解在有机溶剂中。 与光反应性聚合物相比，增塑剂的重量为50-500％。 将光反应性聚合物和增塑剂的混合物涂覆在玻璃基板上。 将具有涂布混合物的玻璃基板热加热，得到液晶取向层。 对获得的液晶取向层施加紫外线。
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公开(公告)号：KR1020050029941A
公开(公告)日：2005-03-29
申请号：KR1020030066220
申请日：2003-09-24
Applicant: 한국과학기술원
IPC: H01M8/02
CPC classification number: C08J5/225 , C08J2327/18 , H01M8/1009 , H01M8/1023 , H01M8/1025 , H01M8/1027 , H01M8/103 , H01M8/1039 , H01M8/1044 , H01M8/1072 , H01M8/1088 , Y02E60/523 , Y02P70/56
Abstract: Provided is a polymer electrolyte composition for a direct methanol fuel cell which is minimized in methanol crossover, is thin and is improved in mechanical properties and hydrogen ion conductivity. The polymer electrolyte composition comprises an ionomer A comprising a perfluorate-based main chain; and 0.01-99.99 wt% of a hydrocarbon-based ionomer B having a crosslinked main chain. Preferably the hydrocarbon-based ionomer B is obtained by crosslinking a mixture of a monomer containing an ionic group, a crosslinking agent, a monomer for controlling mechanical properties and an initiator. Preferably the ionic group of the monomer containing an ionic group is a sulfonic acid group or a carboxylic acid group; and the monomer for controlling mechanical properties is at least one selected from vinyl-based, acrylate-based and methacrylate-based monomers.
Abstract translation: 本发明提供一种直接甲醇燃料电池用聚合物电解质组合物，其在甲醇交联中最小化，薄且机械性能和氢离子传导性提高。 聚合物电解质组合物包含一种包含全氟化物的主链的离聚物A. 和0.01-99.99重量％的具有交联主链的烃基离聚物B. 优选地，烃基离聚物B通过交联含有离子基团的单体，交联剂，用于控制机械性能的单体和引发剂的混合物而获得。 优选地，含有离子基团的单体的离子基团是磺酸基团或羧酸基团; 并且用于控制机械性能的单体是选自乙烯基，丙烯酸酯和基于甲基丙烯酸酯的单体中的至少一种。
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公开(公告)号：KR100831067B1
公开(公告)日：2008-05-21
申请号：KR1020060062077
申请日：2006-07-03
Applicant: 한국과학기술원
IPC: G02F1/1337
Abstract: 본 발명은 액정 배향막을 제조하는 방법에 있어서, 배향막 재료가 형성된 기판 위에 소정 형상의 미세구조를 가진 금속몰드를 놓고 열 또는 압력을 가하여 처리하는 것을 포함한다. 특히 유기고분자화합물을 배향막 재료로 하여 형성된 기판 위에, 자외선에 변화하는 폴리머에 자외선을 경사지게 쪼여 미세구조의 전기도금으로 제작된 금속몰드를 이용하여 액정 배향막을 제조하는 방법을 포함한다. 구체적으로 폴리이미드계, 폴리아미드산이미드계, 폴리이미드실록산계, 폴리아미드이미드계의 유기고분자화합물 중에서 선택된 1종 이상을 유기용매에 용해시켜 기판 위에 도포하는 단계와, 소정 형상의 미세구조를 가진 금속몰드를 제조하는 단계 및 상기 금속몰드를 상기 유기고분자화합물이 도포된 기판 위에 놓고 열 또는 압력을 가하여 처리하는 단계를 포함한다.
본 발명에 의하면, 액정 배향막의 액정 정렬도(order parameter), 방위각상 앵커링 에너지(azimuthal anchoring energy), 선경사각(pretilt angle) 등을 높이는 효과를 얻을 수 있다.
액정 배향막, 금속몰드, 유기고분자화합물, 폴리이미드-
9.发明授权
公开(公告)号：KR100794382B1
公开(公告)日：2008-01-15
申请号：KR1020060067570
申请日：2006-07-19
Applicant: 한국과학기술원
CPC classification number: H01M4/8668 , H01M4/8807 , H01M4/8828 , H01M4/921 , H01M4/926 , H01M4/928 , H01M8/1004 , H01M8/1018 , H01M2008/1095 , Y02E60/521 , Y02P70/56
Abstract: A method for preparing an electrode binder for a polymer electrolyte fuel cell is provided to produce an inexpensive polymer binder having good compatibility with a polymer electrolyte membrane, high proton conductivity, and high diffusivity. A method for preparing an electrode binder for a polymer electrolyte fuel cell includes a step of introducing a polymer having compatibility into a hydrocarbon-based polymer having proton conductivity to prepare a mixed binder, wherein the hydrocarbon-based polymer is used as a matrix. A content of the polymer having compatibility with an electrode binder is 0.1-99.9wt% based on the hydrocarbon-based polymer having proton conductivity. The hydrocarbon-based polymer having proton conductivity has a number average molecular weight of 1,000-1,000,000 and a weight average molecular weight of 1,000-1,000,000.
Abstract translation: 提供一种制备用于聚合物电解质燃料电池的电极粘合剂的方法，以制备与聚合物电解质膜具有良好相容性，高质子传导性和高扩散性的便宜的聚合物粘合剂。 制备聚合物电解质燃料电池用电极粘合剂的方法包括将具有相溶性的聚合物引入具有质子传导性的烃类聚合物中以制备混合粘合剂的步骤，其中所述烃基聚合物用作基质。 基于具有质子传导性的烃类聚合物，与电极粘合剂相容的聚合物的含量为0.1-99.9重量％。 具有质子传导性的烃类聚合物的数均分子量为1,000〜1,000,000，重均分子量为1,000〜1,000,000。
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公开(公告)号：KR1020080002283A
公开(公告)日：2008-01-04
申请号：KR1020060061010
申请日：2006-06-30
Applicant: 한국과학기술원
IPC: H01M8/10
CPC classification number: Y02P70/56 , H01M8/1081 , H01M8/1011 , H01M8/1023 , H01M8/1027 , H01M8/1032 , H01M8/1039 , H01M8/1044 , Y02E60/523
Abstract: A method for producing a polymer electrolyte membrane for a fuel cell is provided to improve the proton conductivity of a polymer electrolyte membrane and to realize excellent compatibility with a binder for an electrode. A method for producing a polymer electrolyte membrane for a fuel cell comprises the steps of introducing a sulfonated hydrofluoride-based polymer to a sulfonated hydrocarbon-based polymer. The sulfonated hydrocarbon-based polymer has a number average molecular weight of 1,000-1,000,000 and a weight average molecular weight of 1,000-1,000,000 and the sulfonated hydrofluoride-based polymer has a number average molecular weight of 1,000-1,000,000 and a weight average molecular weight of 1,000-1,000,000. The polymer electrolyte membrane comprises 80-99.9 wt% of the sulfonated hydrocarbon-based polymer and 0.1-20 wt% of the sulfonated hydrofluoride polymer.
Abstract translation: 提供一种制造用于燃料电池的聚合物电解质膜的方法，以提高聚合物电解质膜的质子传导性并实现与用于电极的粘合剂的良好的相容性。 制造燃料电池用聚合物电解质膜的方法包括将磺化氢氟酸系聚合物引入到磺化烃系聚合物中的工序。 磺化烃系聚合物的数均分子量为1,000〜1,000,000，重均分子量为1,000〜1,000,000，磺化氢氟酸系聚合物的数均分子量为1,000〜1,000,000，重均分子量为 1,000-1,000,000。 聚合物电解质膜包含80-99.9重量％的磺化烃基聚合物和0.1-20重量％的磺化氢氟酸聚合物。
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