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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：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：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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Patent Agency Ranking
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-
127.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：KR1020100034259A
公开(公告)日：2010-04-01
申请号：KR1020080093297
申请日：2008-09-23
Applicant: 한국과학기술연구원
CPC classification number: H01M8/1004 , H01M8/0284 , H01M2008/1095 , H01M2300/0082 , Y02P70/56
Abstract: PURPOSE: A membrane-electrode assembly is provided to prevent the damage of an electrolyte film caused by excessive junction in the manufacture of fuel unit cell and stack, and to improve performance of a fuel cell by minimizing constant resistances with an electrolyte film and a gas diffusion layer. CONSTITUTION: A membrane-electrode assembly comprises an electrolyte membrane(1); catalyst layers(2a,2b) equipped at both sides of the electrolyte membrane; gas diffusion layers(3a,3b) equipped on the catalyst layer; gaskets contacting the sides of the gas diffusion layer and catalyst layer; and a reinforcing gasket(5) which is installed between a gasket(4a) and another gasket(4b) and has 70~95% thickness of the electrolyte film.
Abstract translation: 目的：提供膜 - 电极组件，以防止在制造燃料电池和电池堆时由过度接合引起的电解质膜的损坏，并且通过使电解质膜和气体的恒定电阻最小化来改善燃料电池的性能 扩散层。 构成：膜 - 电极组件包括电解质膜（1）; 设置在电解质膜两侧的催化剂层（2a，2b） 装在催化剂层上的气体扩散层（3a，3b） 接触气体扩散层和催化剂层的侧面的垫圈; 以及安装在垫片（4a）和另一垫圈（4b）之间并具有70〜95％厚度的电解质膜的加强垫片（5）。
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公开(公告)号：KR1020210008692A
公开(公告)日：2021-01-25
申请号：KR1020190085149
申请日：2019-07-15
Applicant: 한국과학기술연구원
Abstract: 본발명은연료전지촉매및 그제조방법에관한것으로, 본발명의연료전지촉매는폴리도파민이코팅된담지체를포함하는촉매를사용하여촉매층을형성할시 발생하는촉매입자간응집문제를해결하여고밀도, 고분산의촉매층을갖는막-전극접합체를제조할수 있다. 또한, 본발명의연료전지촉매의제조방법은폴리도파민이코팅된담지체를포함하는촉매와고체상의할로젠화물을단순열처리하는 solid to solid 건식합성법으로합성에필요한용매가필요하지않고, 합성이후용매를사용하는워싱과정과시료획득을위한추출과정이필요하지않아단시간내에연료전지촉매를제조할수 있다.
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公开(公告)号：KR1020210001626A
公开(公告)日：2021-01-06
申请号：KR1020190077989
申请日：2019-06-28
Applicant: 한국과학기술연구원 , 전북대학교산학협력단 , 재단법인 멀티스케일 에너지시스템 연구단
Abstract: 본발명은도축된가축의혈액을이용한연료전지용촉매의제조방법에관한것으로, 가축의혈액의정제, 수열합성을거치는매우간단한공정을통해상용백금촉매에비하여높은산소환원반응활성을보이고, 매우우수한내구성을갖는연료전지용촉매를제조할수 있다. 또한, 인공첨가물없이순수하게가축의혈액만을활용하여촉매를제조하며, 폐자원인가축의혈액을재활용하여처리비용을줄이고, 고가의백금촉매를대체할수 있는우수한성능의촉매를제조할수 있다는점에서매우경제적이다.
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