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公开(公告)号：KR101303596B1
公开(公告)日：2013-09-11
申请号：KR1020110089781
申请日：2011-09-05
Applicant: 한국과학기술연구원
CPC classification number: H01M8/0491 , H01M8/04552 , Y02E60/50
Abstract: 본 발명은 연료전지의 셀 별 촉매층 열화의 실시간 측정 방법와 측정 장치에 관한 것으로서, 이를 통하여 스택의 분해 없이 실시간으로 연료전지의 셀 별 열화 상태를 감지할 수 있으며, 감지 및 분석 시간을 크게 줄일 수 있다는 장점이 있다.
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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：KR101303862B1
公开(公告)日：2013-09-04
申请号：KR1020120031552
申请日：2012-03-28
Applicant: 한국과학기술연구원
Abstract: PURPOSE: A device and a method for measuring the critical deposition of the carbon of a catalyst are provided to quantitatively measure the extent of the penetration of the carbon possible to adversely affect the performance and the durability of the catalyst utilized in a fuel cell on a real time basis. CONSTITUTION: A device for measuring the critical deposition of the carbon of a catalyst (1) includes an electric resistance measuring device and a weight measuring device (5). The electric resistance measuring device measures a change in electric resistance due to the carbon deposition in which carbon is deposited. The weight measuring device measures an increase in the weight of the catalyst, thereby measuring the deposition of the critical carbon of the catalyst.
Abstract translation: 目的：提供一种用于测量催化剂的碳的临界沉积的装置和方法，以定量测量碳渗透的程度，其可能不利地影响在燃料电池中使用的催化剂的性能和耐久性 实时基础。 构成：用于测量催化剂（1）的碳的临界沉积的装置包括电阻测量装置和重量测量装置（5）。 电阻测量装置测量由于沉积碳而产生的碳沉积导致的电阻变化。 重量测量装置测量催化剂重量的增加，从而测量催化剂的临界碳的沉积。
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公开(公告)号：KR1020130095565A
公开(公告)日：2013-08-28
申请号：KR1020120017115
申请日：2012-02-20
Applicant: 한국과학기술연구원
CPC classification number: H01M8/103 , C08G73/18 , C08G73/22 , C08L79/04 , H01M8/1048 , Y02E60/521 , Y02P70/56
Abstract: PURPOSE: A polyelectrolyte material is provided to have a high proton conductivity and an excellent mechanical strength even though the material is manufactured by being doped with phosphoric acid in-situ. CONSTITUTION: Polyelectrolyte includes poly(benzimidazole-co-benzoxazole). The content of polybenzoxazle in poly(benzimidazole-co-benzoxazole) is 5-30 mole%. Poly(benzimidazole-co-benzoxazole) is poly(benzimidazole-co-benzoxazole) represented by Chemical formula 1 or 2. In Chemical formulas 1 and 2, A is 80-90, and B is 20-10. A manufacturing method of the polyelectrolyte comprises a step of providing poly(benzimidazole-co-benzoxazole) by introducing a benzoxazole unit to polybenzimidazole.
Abstract translation: 目的：提供聚电解质材料以具有高质子传导性和优异的机械强度，即使该材料是通过原位掺磷酸制造的。 构成：聚电解质包括聚（苯并咪唑 - 共 - 苯并恶唑）。 聚（苯并咪唑 - 共 - 苯并恶唑）中聚苯并恶唑的含量为5-30％（摩尔）。 聚（苯并咪唑 - 共 - 苯并恶唑）是由化学式1或2表示的聚（苯并咪唑 - 共 - 苯并恶唑）。在化学式1和2中，A为80-90，B为20-10。 聚电解质的制造方法包括通过将苯并恶唑单元引入聚苯并咪唑来提供聚（苯并咪唑 - 共 - 苯并恶唑）的步骤。
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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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Patent Agency Ranking
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：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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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：KR1020120103171A
公开(公告)日：2012-09-19
申请号：KR1020110021277
申请日：2011-03-10
Applicant: 한국과학기술연구원
CPC classification number: C23C24/087 , H01M4/8657 , H01M4/8825 , H01M4/905 , H01M8/141 , H01M2008/147 , Y02E60/526 , Y02P70/56
Abstract: PURPOSE: An air electrode for molten carbonate fuel cell is provided to improve performance of a fuel cell while stably operating cells for long term by reducing polarization resistance of an air electrode through a quick oxygen-reduction reaction rate. CONSTITUTION: An air electrode for molten carbonate fuel cell comprises a porous nickel base electrode, and a metal particle coating the electrode. At least a part of the metal particle is attached to the surface of the nickel particle. The metal particle is one or more selected from a group consisting of silver, gold, copper, platinum, and cobalt. A manufacturing method of the air electrode comprises: a step of preparing coating liquid by dispersing the metal particle into a solvent; and a step of spreading the metal particle-coated liquid on the surface of the porous nickel base electrode.
Abstract translation: 目的：提供一种用于熔融碳酸盐燃料电池的空气电极，以通过快速氧还原反应速率降低空气电极的极化电阻，从而长期稳定地操作电池，从而提高燃料电池的性能。 构成：用于熔融碳酸盐燃料电池的空气电极包括多孔镍基电极和涂覆电极的金属颗粒。 金属颗粒的至少一部分附着到镍颗粒的表面。 金属颗粒是选自银，金，铜，铂和钴中的一种或多种。 空气电极的制造方法包括：通过将金属粒子分散在溶剂中来制备涂布液的步骤; 以及将金属颗粒涂布的液体铺展在多孔镍基电极的表面上的步骤。
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