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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：KR1020130085798A
公开(公告)日：2013-07-30
申请号：KR1020120006875
申请日：2012-01-20
Applicant: 한국과학기술연구원
CPC classification number: H01M8/126 , C04B35/50 , C04B2235/3203 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3229 , C04B2235/3244 , C04B2235/3298 , C04B2235/44 , C04B2235/442 , C04B2235/443 , C04B2235/656 , C04B2235/77 , H01M2300/0074 , Y02E60/525 , Y02P70/56
Abstract: PURPOSE: Ceria composition is provided to enable low temperature sintering of ceria electrolyte for high temperature sensor or solid oxide fuel cell by adding lithium salt with a low melting point and/or volatility into a material in a ceria system or additionally adding bismuth oxide. CONSTITUTION: A ceria composition is composed of ceria or metal doped ceria, and lithium salt. The lithium salt occupies more than 0 weight% but less than 50 weight% among the ceria composition. The lithium salt is lithium carbonate, lithium hydroxide, or lithium nitride. The ceria composition additionally contains bismuth oxide. A sintering body is a sintering body of the ceria composition which comprises ceria or metal doped ceria, lithium carbonate, and bismuth oxide. The ceria composition contains lithium carbonate with more than 0 weight% but more or less than 5 weight% and bismuth oxide with more than 0 weight% but less than 10 weight% in the sintering body. A ceria complex electrolyte powder is a calcined body of the ceria composition. The ceria composition is composed of ceria or metal doped ceria, and lithium salt and the lithium salt occupies more than 0 weight% but less than 50 weight% in the calcined body.
Abstract translation: 目的：提供二氧化铈组合物，以通过将低熔点和/或挥发性的锂盐加入到二氧化铈体系中的材料中或另外添加氧化铋来实现用于高温传感器或固体氧化物燃料电池的二氧化铈电解质的低温烧结。 构成：二氧化铈组成由二氧化铈或金属掺杂的二氧化铈和锂盐组成。 锂盐在二氧化铈组合物中占据超过0重量％但小于50重量％。 锂盐是碳酸锂，氢氧化锂或氮化锂。 二氧化铈组合物另外含有氧化铋。 烧结体是氧化铈组合物的烧结体，其包含二氧化铈或金属掺杂的二氧化铈，碳酸锂和氧化铋。 二氧化铈组合物在烧结体中含有大于0重量％但多于或少于5重量％的碳酸锂和大于0重量％但小于10重量％的氧化铋。 二氧化铈复合电解质粉末是二氧化铈组合物的煅烧体。 二氧化铈组合物由二氧化铈或金属掺杂的二氧化铈组成，并且锂盐和锂盐在煅烧体中占据超过0重量％但小于50重量％。
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公开(公告)号：KR1020130080666A
公开(公告)日：2013-07-15
申请号：KR1020120001599
申请日：2012-01-05
Applicant: 한국과학기술연구원
CPC classification number: C01B3/02 , B60L11/18 , C01B2203/1005 , H01M8/0643 , H01M8/14 , Y02E60/50
Abstract: PURPOSE: A method for generating hydrogen, a device for the same, and a hydrogen using device comprising the same are provided to improve the efficiency of a hydrogen generating system using chemical hydride as fuel by accelerating dehydrogenation in the hydrogen generating system. CONSTITUTION: A method for generating hydrogen comprises the steps of: supplying solid chemical hydride and a dehydrogenation solvent to a dehydrogenation reactor (20) containing a solid catalyst; dehydrogenating the chemical hydride under the existence of the solid catalyst and the dehydrogenation solvent, and generating hydrogen; and collecting the dehydrogenation solvent from a dehydrogenation reactant product, and re-circulating the dehydrogenation solvent to the dehydrogenation reactor.
Abstract translation: 目的：提供一种生成氢气的方法及其装置，以及包含该氢气的装置的氢气使用装置，以通过在氢气产生系统中加速脱氢来提高使用化学氢化物作为燃料的氢气发生系统的效率。 构成：产生氢气的方法包括以下步骤：向含有固体催化剂的脱氢反应器（20）提供固体化学氢化物和脱氢溶剂; 在固体催化剂和脱氢溶剂的存在下使化学氢化物脱氢，并产生氢; 并从脱氢反应物产物中收集脱氢溶剂，并将脱氢溶剂重新循环到脱氢反应器中。
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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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公开(公告)号：KR1020130026274A
公开(公告)日：2013-03-13
申请号：KR1020110089781
申请日：2011-09-05
Applicant: 한국과학기술연구원
CPC classification number: H01M8/0491 , H01M8/04552 , Y02E60/50
Abstract: PURPOSE: An in-situ method of evaluating the degradation of a membrane-electrolyte assembly is provided to detect the cell deterioration state of a fuel cell in real time and to remarkably reduce the sensing and analyzing time. CONSTITUTION: An in-situ method of evaluating the degradation of a membrane-electrolyte assembly comprises a current supply apparatus constantly supplying current by being connected to two coupling plates of a fuel cell stack; a voltage measuring apparatus measuring a voltage between two separators selected from (n+1) separators in the fuel cell stack; and a physical property determining apparatus determining a constant current, the capacity of an electric double layer, roughness factor, and electrochemical active surface area from the current value of the current supply apparatus and the voltage between the separators. [Reference numerals] (AA) Stack real-time measuring device; (BB) Current generator; (CC) Membrane electrode assembly; (DD) Separator
Abstract translation: 目的：提供一种评估膜 - 电解质组件降解的现场方法，以实时检测燃料电池的电池劣化状态，显着降低感测和分析时间。 构成：评估膜 - 电解质组件的降解的原位方法包括通过连接到燃料电池堆的两个联接板来恒定地供应电流的电流供应装置; 测量在所述燃料电池堆中选自（n + 1）个分离器的两个分离器之间的电压的电压测量装置; 以及根据电流供给装置的当前值和分离器之间的电压确定恒定电流，双电层容量，粗糙度因子和电化学活性表面积的物理性质确定装置。 （标号）（AA）堆栈实时测量装置; （BB）电流发生器; （CC）膜电极组件; （DD）分离器
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Patent Agency Ranking
公开(公告)号：KR1020130026273A
公开(公告)日：2013-03-13
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: PURPOSE: A manufacturing method of a core-shell structure electrocatalyst is provided to selectively form a shell layer on a shell layer without chemical and thermal treatments. CONSTITUTION: A manufacturing method of a core-shell structure electrocatalyst comprises a step of reacting a support and one or more precursors of a core-forming metal in an ether solvent. A manufacturing method of a core-shell structure electrode catalyst comprises a step of reacting the support and precursors in the ether solvent to obtain a core-shell-supported support; a step of reducing the precursors using an ester-based reducing agent in a solution in which the core-nanoparticles are supported or dispersed.
Abstract translation: 目的：提供核 - 壳结构电催化剂的制造方法，以便在化学和热处理下在壳层上选择性地形成壳层。 构成：核 - 壳结构电催化剂的制造方法包括使支持体与成核金属的一种或多种前体在醚溶剂中反应的步骤。 核 - 壳结构电极催化剂的制造方法包括使载体和前体在醚溶剂中反应以获得核 - 壳负载的载体的步骤; 在其中负载或分散核 - 纳米颗粒的溶液中使用酯类还原剂还原前体的步骤。
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公开(公告)号：KR101172356B1
公开(公告)日：2012-08-09
申请号：KR1020100002597
申请日：2010-01-12
Applicant: 한국과학기술연구원
CPC classification number: Y02P70/56
Abstract: 담체에 담지된 촉매와 폴리벤지이미다졸의 제 1 혼합물을 제공하는 단계; 및 상기 혼합물에 폴리테트라플루오르에틸렌을 혼합하여 제 2 혼합물을 제조하는 단계;를 포함하는 폴리벤지이미다졸이 함유된 전극 제조 방법이 제공된다. 담체에 담지된 촉매 및 폴리벤지이미다졸을 먼저 혼합하여 혼합물을 제조한 것에 폴리테트라플루오르에틸렌을 혼합하여 전극을 제조함으로써, 삼상 계면의 활성을 높이고, 향상된 성능을 가지는 막전극접합체를 제조할 수 있다.
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公开(公告)号：KR101103707B1
公开(公告)日：2012-01-11
申请号：KR1020090075376
申请日：2009-08-14
Applicant: 한국과학기술연구원
Abstract: 연료전지 전극층에서의 패러데이 반응을 없애고 연료전지의 전위 중 전기이중층 반응만을 보이는 전위 조건에서 연료전지의 교류 임피던스와 나아가, 촉매/이오노머 계면 커패시턴스, 이오노머 네트워크의 이온 저항 등 전기화학적 특성을 용이하게 검출할 수 있다.
연료전지, 전극, 이온전도도, 이온저항, 교류임피던스, 복소 커패시턴스-
79.发明公开촉매 슬러리 조성물, 이를 사용한 연료전지용 막-전극 접합체의 제조방법 및 이로부터 제조된 연료전지용 막-전극 접합체 有权催化剂浆料组合物，用于制备用于其的燃料电池的膜电极组件的方法和用于制备其的燃料电池的膜电极组件
公开(公告)号：KR1020110114992A
公开(公告)日：2011-10-20
申请号：KR1020100034421
申请日：2010-04-14
Applicant: 한국과학기술연구원
CPC classification number: Y02P70/56 , H01M4/8663 , H01M4/8828 , H01M8/1004 , H01M8/1011 , H01M2008/1095 , Y02E60/521 , Y02E60/523
Abstract: 본 발명은 촉매; 변성 알콕시레이트 화합물을 유효성분으로 포함하는 분산제; 전도성 이오노머; 및 용매를 포함하는 연료전지용 막-전극 접합체(MEA)의 제조를 위한 촉매 슬러리 조성물, 이를 사용한 연료전지용 막-전극 접합체의 제조방법 및 이로부터 제조된 연료전지용 막-전극 접합체에 관한 것이다.
촉매 슬러리 조성물에 포함된 촉매 및 전도성 이오노머 입자의 분산성을 향상시킬 수 있고, 이러한 촉매 슬러리 조성물을 도포하는 코팅공정과 용매를 제거하는 건조공정을 거친 후에 경우 균일성이 매우 우수하고 촉매와 이오노머 입자 사이가 연속적으로 이어지지 않아, 데드 스페이스(dead space)라 불리는 큰 크랙이 없는 구조 배열을 가진 촉매층을 형성할 수 있고, 궁극적으로 기공구조를 적용한 막-전극 접합체의 경우 향상된 성능을 나타낼 수 있다.-
公开(公告)号：KR100960870B1
公开(公告)日：2010-06-04
申请号：KR1020080090965
申请日：2008-09-17
Applicant: 한국과학기술연구원
CPC classification number: H01M8/2435 , H01M4/9033 , H01M4/9066 , H01M8/1246 , H01M8/2404 , H01M8/2483 , Y02E60/525 , Y02P70/56
Abstract: 본 발명에서는, 복수의 채널을 구비하는 벌집형 SOFC의 단전지로서, 상기 단전지는 공기극이 형성된 공기극 채널과 연료극이 형성된 연료극 채널이 교대로 형성되는 채널들을 구비하고, 상기 공기극 채널 및 연료극 채널의 각각의 내부에는 집전체가 설치되어 있고, 상기 집전체가 설치된 상기 채널들에는 충전 재료가 충전되는 벌집형 SOFC의 단전지, 이를 이용한 스택 및 이들의 제조방법을 제공한다. 본 발명에 따르면, 고성능의 특히 휴대용 또는 소형 벌집형 SOFC에 있어서, 효과적이고 용이한 전기 집전이 가능할 뿐만 아니라, 적층과 밀봉이 용이하며, 연료를 채널 내부에서 직접 개질 하는 것이 가능하다.
벌집형, 고체산화물연료전지, 연료극, 공기극, 단전지, 스택, 집전, 비드
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