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公开(公告)号：KR1020120059244A
公开(公告)日：2012-06-08
申请号：KR1020100120913
申请日：2010-11-30
Applicant: 한국과학기술연구원
CPC classification number: B82Y30/00 , B82Y40/00 , H01M4/8657 , H01M4/925 , Y02E60/50 , Y10S977/773 , Y10S977/775 , Y10S977/81
Abstract: PURPOSE: A manufacturing method of an electrode catalyst is provided to make uniform formation of core particle, and selective formation of shell layers, thereby capable of forming an electrode catalyst of core shell structure without chemical treatment or heat treatment. CONSTITUTION: A manufacturing method of a carrier, and an electrode catalyst for fuel cell comprising a core-shell structured catalyst carried in the carrier comprises: a step of carrying nano-sized core elements into the carrier by reacting the carrier and a metal for forming core in ether-based solvent; and a step of forming shell layer on the surface of the core element by reducing a metal for forming shell layer by an ester based reducing agent. The metal for forming core is one or more selected from palladium, copper, gold, and iridium, and the meal for forming shell layer is one or more selected from platinum, iridium and gold.
Abstract translation: 目的：提供电极催化剂的制造方法，使核心颗粒均匀地形成，并且选择性地形成壳层，从而能够在没有化学处理或热处理的情况下形成核壳结构的电极催化剂。 构成：载体的制造方法以及载体中载持的核壳结构化催化剂的燃料电池用电极催化剂，其特征在于，通过使载体与形成用金属反应而将纳米尺寸的芯体载体载置在载体中， 醚类溶剂中的核心; 以及通过用酯系还原剂还原形成壳层的金属，在芯体的表面上形成壳层的工序。 用于形成芯的金属是选自钯，铜，金和铱中的一种或多种，并且用于形成壳层的粉末是选自铂，铱和金中的一种或多种。
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公开(公告)号：KR1020110082724A
公开(公告)日：2011-07-20
申请号：KR1020100002597
申请日：2010-01-12
Applicant: 한국과학기술연구원
CPC classification number: Y02P70/56 , H01M4/8828 , H01M4/8882 , H01M4/92 , H01M4/926 , H01M8/1004 , H01M8/1027 , H01M8/103 , H01M2008/1095 , Y02E60/521
Abstract: PURPOSE: A method for manufacturing an electrode including polybenzimidazole with high activity of a triple phase boundary is provided to enhance the activity of a triple phase boundary that is an actual response location in a fuel cell and to manufacture a membrane electrode assembly having improved performance. CONSTITUTION: A method for manufacturing an electrode including polybenzimidazole comprises the steps of: providing a first mixture of polybenzimidazole and a catalyst supported in a carrier; and mixing polytetrafluoroethylene with the first mixture to prepare a second mixture. The first mixture production step is carried out by forming a dispersion by adding the catalyst supported in the carrier to the solution formed by dissolving polybenzimidazole in a solvent and removing the solvent from the dispersion.
Abstract translation: 目的：提供一种包括具有三相界限活性高的聚苯并咪唑的电极的制造方法，以增强作为燃料电池中的实际响应位置的三相边界的活性，并制造具有改进性能的膜电极组件。 构成：包括聚苯并咪唑的电极的制造方法包括以下步骤：提供聚苯并咪唑和负载在载体中的催化剂的第一混合物; 并将聚四氟乙烯与第一混合物混合以制备第二混合物。 第一混合物制备步骤通过将负载在载体中的催化剂加入到通过将聚苯并咪唑溶解在溶剂中形成的溶液中并从分散体中除去溶剂来形成分散体来进行。
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公开(公告)号：KR1020130099684A
公开(公告)日：2013-09-06
申请号：KR1020120021375
申请日：2012-02-29
Applicant: 한국과학기술연구원
Abstract: PURPOSE: A self humidifying method of a fuel cell device is provided to easily humidify a room without a humidifier; reduce the size of the fuel cell system without a separate cell for humidification; increase a fuel power density. CONSTITUTION: A self humidifying method of a fuel cell device in which more than one alkali anion exchange membrane fuel cell or a stack and more than one polymer electrolyte membrane fuel cell or the stack are arranged by turns comprises the following: a step of supplying hydrogen gas to the alkali anion exchange membrane fuel cell or the stack; a step of supplying the hydrogen gas which is emitted from the alkali anion exchange membrane fuel cell or the stack, and which is humidified with the water which is generated in the alkali anion exchange membrane fuel cell or the stack to the polymer electrolyte membrane fuel cell or the stack.
Abstract translation: 目的：提供燃料电池装置的自加湿方法，以便在没有加湿器的情况下容易地加湿房间; 减少燃料电池系统的尺寸，而不需要单独的电池进行加湿; 增加燃料功率密度。 构成：一种燃料电池装置的自加湿方法，其中多于一个碱金属阴离子交换膜燃料电池或堆叠以及多于一个的聚合物电解质膜燃料电池或电池堆的排列方式包括以下步骤： 气体到碱性阴离子交换膜燃料电池或堆叠; 从碱性阴离子交换膜燃料电池或堆叠排出的氢气供给到在碱性阴离子交换膜燃料电池或叠层中产生的水被加湿到高分子电解质膜燃料电池的工序 或堆栈。
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公开(公告)号：KR101220916B1
公开(公告)日：2013-01-14
申请号：KR1020100062142
申请日：2010-06-29
Applicant: 한국과학기술연구원
CPC classification number: H01M4/921 , H01M2008/1095 , Y02E60/50
Abstract: 산소환원반응의 활성과 안정성이 우수한 비-백금계 산소환원반응 활성 촉매인 팔라듐-이트륨 합금 촉매 및 그 제조 방법, 상기 촉매를 포함하는 연료전지가 제공된다. 해당 팔라듐-이트륨 촉매는 비-백금계로서 가격 측면에서 또한 우수하여 연료전지 특히 고분자 전해질 막 연료전지에 유용하게 사용될 수 있다.
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公开(公告)号：KR1020120006247A
公开(公告)日：2012-01-18
申请号：KR1020100066876
申请日：2010-07-12
Applicant: 한국과학기술연구원
CPC classification number: Y02P70/56 , B01J37/0018 , B01J23/468 , B01J37/16 , H01M4/926 , H01M8/02
Abstract: PURPOSE: A carbon supported platinum-iridium alloy catalyst and a method for synthesizing the same, an electrode fuel cell including the catalyst are provided to synthesize platinum-iridium alloy particles in a carbon support at a room temperature by supplying a stabilizer and a reducing agent in a colloidal solution containing a platinum precursor, an iridium precursor, and the carbon support. CONSTITUTION: A carbon supported platinum-iridium alloy catalyst is obtained by supplying a reducing agent in a colloidal solution containing a platinum precursor, an iridium precursor, and a carbon support. The colloidal solution contains a stabilizer. The synthesis of the carbon supported platinum-iridium alloy catalyst is implemented at a room temperature. The solvent of the colloidal solution is ethanol, methanol, or tetrahydrofuran. The stabilizer is an ammonium bromide-based compound represented by chemical formula 1. The pH value of the colloidal solution is between 1 and 11. The stabilizer is eliminated after the carbon supported platinum-iridium catalyst is obtained.
Abstract translation: 目的：提供碳负载的铂 - 铱合金催化剂及其合成方法，提供包含催化剂的电极燃料电池，通过供给稳定剂和还原剂，在室温下在碳载体中合成铂 - 铱合金颗粒 在含有铂前体，铱前体和碳载体的胶体溶液中。 构成：通过在含有铂前体，铱前体和碳载体的胶体溶液中供给还原剂，得到碳负载的铂 - 铱合金催化剂。 胶体溶液含有稳定剂。 碳负载的铂 - 铱合金催化剂的合成在室温下实施。 胶体溶液的溶剂是乙醇，甲醇或四氢呋喃。 稳定剂是由化学式1表示的溴化铵系化合物。胶体溶液的pH值为1〜11。在得到碳负载的铂 - 铱催化剂后，除去稳定剂。
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Patent Agency Ranking
公开(公告)号：KR1020110114231A
公开(公告)日：2011-10-19
申请号：KR1020100033762
申请日：2010-04-13
Applicant: 한국과학기술연구원
Abstract: 산소환원반응의 활성과 안정성이 현저히 향상된 백금 및 이트륨 합금 촉매 및 그 제조 방법, 상기 촉매를 포함하는 연료전지가 제공된다. 상기 촉매는 백금 및 이트륨 합금 중의 이트륨 조성이 원자 조성으로서 0%초과 41% 이하, 특히 30%이다. 해당 백금-이트륨 촉매는 연료전지 특히 고분자 전해질 막 연료전지에 유용하게 사용될 수 있다.
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公开(公告)号：KR1020140100612A
公开(公告)日：2014-08-18
申请号：KR1020130013013
申请日：2013-02-05
Applicant: 한국과학기술연구원
Abstract: The present invention relates to an electrode catalyst with an organic compound or molecules adsorbed, a fuel cell including the same, and a method for manufacturing the same. Using electrostatic potential of adsorbed molecules according to embodiments of the present invention results in a d-band electronic structure of catalyst metal like alloy catalyst without a tough alloying process.
Abstract translation: 本发明涉及具有吸附的有机化合物或分子的电极催化剂，包含该电极催化剂的燃料电池及其制造方法。 使用根据本发明实施方案的吸附分子的静电势导致催化剂金属如合金催化剂的d带电子结构，而没有坚韧的合金化过程。
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公开(公告)号：KR101304219B1
公开(公告)日：2013-09-06
申请号：KR1020110089780
申请日：2011-09-05
Applicant: 한국과학기술연구원
CPC classification number: H01M4/9041 , B82Y30/00 , B82Y40/00 , H01M4/921 , H01M4/926
Abstract: 본 발명은 코어-쉘 구조의 연료전지용 전극촉매의 제조에 있어서, 화학적 처리 또는 열처리 등의 후처리 공정 없이 각각 코어 및 쉘 층을 형성할 수 있으며, 나노 사이즈의 코어 입자가 균일하게 담지된 코어 담지체를 형성한 후 상기 담지체에 코어 입자 표면에만 선택적으로 쉘 층이 형성되도록 하는 제조방법; 촉매 담지량, 촉매 활성 및 전기화학적 특성이 우수한 코어-쉘 구조의 연료전지용 전극촉매 및 이를 포함하는 연료전지를 제공한다.
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公开(公告)号：KR1020130087248A
公开(公告)日：2013-08-06
申请号：KR1020120008419
申请日：2012-01-27
Applicant: 한국과학기술연구원
CPC classification number: Y02P70/56 , H01M4/921 , H01M4/8663 , H01M2008/1095 , Y02E60/521
Abstract: PURPOSE: A manufacturing method of an electrocatalyst is provided to have a narrow particle size distribution, a small alloy particle size, a high carrier dispersion amount and uniformity, and low agglomeration due to temperature. CONSTITUTION: A manufacturing method of an electrocatalyst comprises a step of obtaining a carbon solution; a step of obtaining a precursor solution; a step of obtaining a mixed solution by mixing the carbon solution and the precursor solution; a step of preparing a stabilizer solution; a step of obtaining a stabilizer mixed solution by adding the stabilizer solution into the mixed solution; a step of manufacturing a reductant solution; a step of conduct the reaction between the stabilizer mixed solution and the reductant solution; a step of manufacturing a catalyst by removing suspended materials and washing and drying residues; and a step of treating the catalyst with heat.
Abstract translation: 目的：提供电催化剂的制造方法，其具有窄的粒度分布，小的合金粒度，高的载体分散量和均匀性，以及由于温度引起的低聚集。 构成：电催化剂的制造方法包括获得碳溶液的步骤; 获得前体溶液的步骤; 通过混合碳溶液和前体溶液获得混合溶液的步骤; 制备稳定剂溶液的步骤; 通过将稳定剂溶液加入到混合溶液中获得稳定剂混合溶液的步骤; 制造还原剂溶液的步骤; 进行稳定剂混合溶液和还原剂溶液之间的反应的步骤; 通过去除悬浮物并洗涤和干燥残渣来制造催化剂的步骤; 以及用热处理催化剂的步骤。
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公开(公告)号：KR101251949B1
公开(公告)日：2013-04-08
申请号：KR1020110126751
申请日：2011-11-30
Applicant: 한국과학기술연구원
Abstract: PURPOSE: A measuring method of the acid resistance of a separator for a polymer electrolyte fuel cell is provided to quantitatively and qualitatively measure acid resistance without direct application to a unit cell. CONSTITUTION: A measuring method of acid resistance of a separator for a polymer electrolyte fuel comprises: a step of dipping a material for the fuel cell separator in an acid solution, and filtering the same; a step of using the acid solution as a base solution to measure the absorbance of a filtering solution; and a step of quantitively analyzing the acid resistance thereof by calculating the erupted amount of a resin from the material for the fuel cell separator. The measurement step of the absorbance measures UV-Vis spectrums. The acids solution is a phosphate solution.
Abstract translation: 目的：提供用于固体高分子型燃料电池的隔板的耐酸性的测定方法，以定量和定性地测量耐酸性，而不需要直接施加到单元电池。 构成：聚合物电解质燃料用隔膜的耐酸性测定方法包括：将用于燃料电池隔板的材料浸渍在酸溶液中并过滤的步骤; 使用酸溶液作为碱溶液来测量过滤溶液的吸光度的步骤; 以及通过从燃料电池隔板的材料计算树脂的喷出量来定量分析其耐酸性的步骤。 吸光度的测量步骤测量UV-Vis光谱。 酸溶液是磷酸盐溶液。
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