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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：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：KR102223655B1
公开(公告)日：2021-03-05
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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Patent Agency Ranking
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公开(公告)号：KR101913124B1
公开(公告)日：2018-12-28
申请号：KR1020170010891
申请日：2017-01-24
Applicant: 한국과학기술연구원
IPC: H01M8/1004 , H01M8/1053 , H01M8/1065 , H01M8/0258 , H01M8/1007 , H01M8/2457 , H01M8/1018
Abstract: 막 전극 접합체는, 양이온 교환막 전극 접합체 및 음이온 교환막 전극 접합체를 포함한다. 상기 양이온 교환막 전극 접합체는 양이온 교환막, 상기 양이온 교환막 상부에 배치되는 제1 캐소드 전극, 상기 양이온 교환막 하부에 배치되는 제1 애노드 전극을 포함한다. 상기 음이온 교환막 전극 접합체는 음이온 교환막, 상기 음이온 교환막 상부에 배치되는 제2 캐소드 전극, 상기 음이온 교환막 하부에 배치되는 제2 애노드 전극을 포함한다. 상기 양이온 교환막 및 음이온 교환막은 부분적으로 접촉하며, 상기 제1 캐소드 전극, 제1 애노드 전극, 제2 캐소드 전극 및 제2 애노드 전극은 서로 접촉하지 않는다.
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公开(公告)号：KR101884642B1
公开(公告)日：2018-08-30
申请号：KR1020160150459
申请日：2016-11-11
Applicant: 한국과학기술연구원
CPC classification number: Y02E60/528
Abstract: 기판, 상기기판상에전기도금된산화이리듐층 및상기산화이리듐층에형성된팔라듐(Pd) 또는백금(Pt) 또는백금및 루테늄혼합물(Pt-Ru) 층을포함하는재생연료전지특히, 일체형재생연료전지(URFC) 용산소전극, 이를포함하는재생연료전지특히, 일체형재생연료전지및 상기전극의제조방법을제공한다. 해당산소전극은귀금속특히, 백금로딩량을낮추면서도우수한셀 성능을나타낼수 있다.
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公开(公告)号：KR101833755B1
公开(公告)日：2018-03-02
申请号：KR1020160145129
申请日：2016-11-02
Applicant: 한국과학기술연구원
CPC classification number: Y02E60/366 , B01J31/12 , B01J37/0009 , C25B1/00 , C25B1/04
Abstract: 이산화탄소의전기화학적전환촉매로서두 개의중심전이금속(M)에유기리간드인디하이드록시테레프탈릭산이배위결합된 [Mdhtp(dhtp=디하이드록시테레프탈레이트)] 구조를가지는금속유기골격체이고, 중심전이금속(M)이 Co, Ni, Zn 중선택되는하나이상인이산화탄소의전기화학적전환촉매및 그제조방법, 이를이용한이산화탄소전환장치및 방법을제공한다. 이에따르면, 이산화탄소의전기화학적전환(환원) 효율이우수하고또한일산화탄소선택도가우수하여합성가스를생성할수 있다. 또한, 촉매의지속성이우수하다.
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70.发明公开이온 가교 결합을 공유 가교 결합으로 변환하여 공유 가교 결합 막을 제조하는 방법 및 이를 통하여 제조된 공유 결합 막 审中-实审通过将离子交联转化成共价交联结构来制备共价交联膜的方法以及生产共价键合膜的方法
公开(公告)号：KR1020170106790A
公开(公告)日：2017-09-22
申请号：KR1020160030359
申请日：2016-03-14
Applicant: 한국과학기술연구원
CPC classification number: Y02E60/528 , Y02P70/56
Abstract: 전자풍부방향족환(electron rich aromatic rings)을포함하는 PBI 유도체등과같은아미노그룹을가지는폴리머와술폰화된폴리에테르술폰등과같은술폰화된폴리머를블랜드하여이온가교결합된막을제조하거나, 술폰화된 PBI 유도체로이온가교결합막을제조하고, 이를열 경화하여공유가교결합된막을제조한다. 이와같이열 경화된공유가교결합막은, 열경화되지않는이온가교결합막과대비하여, 향상된인장강도등의기계적특성을나타낼수 있다.
Abstract translation: 具有氨基的聚合物如含富电子芳香环等的PBI衍生物和磺化聚合物如磺化聚醚砜等混合以制备离子交联膜或磺化PBI 离子交联膜由衍生物制备并热固化以制备共价交联的膜。 因此，与未热固化的离子交联膜相比，热固性共价交联膜可表现出机械性能，例如改善的拉伸强度。
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