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公开(公告)号：KR100431696B1
公开(公告)日：2004-05-17
申请号：KR1020020003925
申请日：2002-01-23
Applicant: 한국과학기술연구원
IPC: C23C10/34
Abstract: PURPOSE: A method and a system for coating metal corrosion preventing film on separator for MCFC using pack cementation are provided to easily control thickness of the metal corrosion preventing film and recycle the metal powder by separately supplying metal powder and metal halide powder and supplying high purity hydrogen. CONSTITUTION: In a system for coating a metal corrosion preventing film on stainless steel separator(10) for MCFC (molten carbonate fuel cell) using pack cementation, the system comprises reactor(7) in which metal powder(9) contacted separator for MCFC is installed; electric furnace(8) for heating the reactor; hydrogen storage tank(1) for supplying low purity hydrogen to the film separation unit; film separation unit(2) in which Pd series film(3) is coated to supply high purity hydrogen into the reactor; gas supply tube(11) connected to the inside of the reactor to supply high purity hydrogen into the reactor; and sublimator(5) which is positioned at the middle of hydrogen supply line on the outer part of the reactor, and in which metal halide(6) is contained, the system further comprises ball flow meter(4) for supplying the high purity hydrogen in a fixed flow rate, wherein the metal is aluminum or chromium, wherein the reactor is sealed by lid(13) and graphite gasket(14) so that external gas is not penetrated into the reactor, and wherein a space(12) is formed between the hydrogen supply tube and reactor so that hydrogen supplied is exhausted through the space.
Abstract translation: 目的：提供一种用于使用包装胶结作用在用于MCFC的隔膜上涂覆金属防腐蚀膜的方法和系统，以通过分开供应金属粉末和金属卤化物粉末并提供高纯度来容易地控制金属防腐蚀膜的厚度并回收金属粉末 氢。 本发明提供了一种用不锈钢分离器（10）在金属防腐蚀膜（MCFC）（熔融碳酸盐燃料电池）上进行包覆渗碳的系统，该系统包括金属粉末（9）与MCFC分离器接触的反应器（7） 安装; 用于加热反应器的电炉（8） 氢存储罐（1），用于向膜分离单元供应低纯度氢; 薄膜分离单元（2），其中涂覆Pd系列薄膜（3）以将高纯度氢供应到反应器中; 连接到反应器内部以将高纯度氢供应到反应器中的气体供应管（11） 和位于反应器外部的氢气供应管道中间且包含金属卤化物（6）的升华器（5），该系统还包括用于供应高纯度氢气的球形流量计（4） 其中所述金属是铝或铬，其中所述反应器由盖（13）和石墨垫片（14）密封，使得外部气体不渗透到所述反应器中，并且其中形成空间（12） 在氢气供应管和反应器之间，从而供应的氢气通过该空间排出。
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公开(公告)号：KR100429685B1
公开(公告)日：2004-05-03
申请号：KR1020010080124
申请日：2001-12-17
Applicant: 한국과학기술연구원
IPC: H01M8/02
CPC classification number: H01M8/026 , H01M8/0206 , H01M8/0228 , H01M8/0267 , H01M8/0271 , H01M8/2483 , Y02P70/56
Abstract: 본 발명은 소형 고분자 전해질 연료전지용에 사용되는 가스분배판 및 이를 이용한 분리판에 관한 것으로, 더욱 상세하게는 스텐레스스틸 등 금속을 모재로 하여 가스흐름 통로가 에칭된 소형 고분자 전해질 연료전지용 다공성 가스분배판 및 이를 포함하여 제작된 소형 고분자 전해질 연료전지용 분리판에 관한 것이다.
본 발명에 의한 소형 고분자 전해질 연료전지용 다공성 가스분배판을 포함하여 제조된 분리판은 기존의 그래파이트 분리판에 비해 박막화가 가능하고, 동시에 적정수준의 물리적 강도를 유지하여 외부 충격에 의한 파괴 염려가 없다. 또한, 본 발명에 의한 소형 고분자 전해질 연료전지용 분리판은 에칭에 의해 형성된 가스 채널의 규격이 균일하여 MEA와 접합시 접촉 저항이 감소되어 연료전지의 성능이 향상된다. 더욱이, 본 발명에 의한 소형 고분자 전해질 연료전지용 분리판은 스텐레스스틸 등 금속판을 모재로 사용하여 미세한 가스 채널을 형성시키므로, 에칭 가공시 비용과 노력을 절감시키고, 대량생산에도 용이하다. 따라서, 본 발명에 의한 소형 고분자 전해질 연료전지용 분리판을 사용하여 소형 고분자 전해질 연료전지를 구성할 경우 기존에 비해 출력 밀도, 신뢰성 및 경제성이 향상될 수 있다.Abstract translation: 公开了一种由金属材料制成的用于小型燃料电池的穿孔气体分配板，所述金属材料诸如通过蚀刻工艺在其上形成气体流路的不锈钢制成，以及使用所述气体分配板制造的隔板。 与常规石墨隔板相比，使用气体分配板制造的隔板可能更薄并且由于其更高的物理强度而不易受到外部施加的力的破坏。 另外，由于形成在气体分布板上的气体通道具有相同的尺寸，因此接触电阻降低，因此燃料电池的性能提高。 此外，由于隔板由诸如不锈钢的金属材料制成，所以当蚀刻隔板时成本和人力减少，并且因此可以大量生产隔板。 因此，包括隔板的紧凑型燃料电池在功率密度，可靠性和经济效率方面是有利的。
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公开(公告)号：KR1020040004802A
公开(公告)日：2004-01-16
申请号：KR1020020038838
申请日：2002-07-05
Applicant: 한국과학기술연구원
IPC: H01M8/02
Abstract: PURPOSE: A disk-like separator having the one-loop gas channel structure and a molten carbonate fuel cell stack using the separator are provided, to simplify the stack structure, to maintain the stack temperature to be constant, and to reduce the supply amount of carbon dioxide. CONSTITUTION: The disk-like separator comprises a connection part of a fuel supply pipe set at the outer side of a separator for supplying fuel; a fuel supply pipe connected to the center part of the separator to allow fuel to be flown from the center part of the separator to the circumference; a fuel electrode gas discharge hole set at the rim of the separator for discharging the fuel electrode ventilation gas passed the fuel electrode; an air electrode gas inflow hole set at the rim of the separator for flowing in the air burned by the reaction of the discharged fuel electrode ventilation gas and the air electrode gas supplied outside the stack; and a discharge path of an air electrode gas set at the center part of the separator for discharging the gas flown into the air electrode to the circumference direction. The separator has the one-loop gas channel structure which burns the discharge gas of a fuel gas at the outside and supplies the burned gas to the air electrode.
Abstract translation: 目的：提供一种具有单环气体通道结构的圆盘状分离器和使用该分离器的熔融碳酸盐燃料电池堆，以简化堆叠结构，使堆温度保持恒定，并减少供料量 二氧化碳。 构成：盘状分离器包括设置在用于供给燃料的分离器外侧的燃料供给管的连接部分; 燃料供给管，其连接到分离器的中心部分，以使燃料从分离器的中心部分流到圆周; 燃料电极气体排出孔，设置在隔板的边缘处，用于排出通过燃料电极的燃料极通气气体; 设置在隔板的边缘处的空气电极气体流入孔，用于在被排放的燃料电极通气气体和供应到堆叠之外的空气电极气体反应燃烧的空气中流动; 以及设置在分离器中心部分的空气电极气体的排出路径，用于将流入空气电极的气体排出到周向。 分离器具有单向气体通道结构，其在外部燃烧燃料气体的排出气体，并将燃烧气体供给到空气极。
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公开(公告)号：KR1020030070352A
公开(公告)日：2003-08-30
申请号：KR1020020009868
申请日：2002-02-25
Applicant: 한국과학기술연구원
IPC: H01M8/02
Abstract: PURPOSE: A separation plate for a fuel cell is provided, to allow the gas to flow uniformly and the components for a fuel cell to be fixed easily and to minimize the loss of the generated current. CONSTITUTION: The separation plate(11) has the gas path(12) which has the repeated zigzag-structured pattern and contains at least one linear bar. The linear bar is repeatedly arranged in the zigzag-structured gas path by a group comprising a plurality of the linear bars. Preferably a reference hole(13) is set for fixing the position of components when a fuel cell is engaged. Preferably an output line(14) for obtaining the current generated at the fuel cell is directly set to the separation plate for allowing the output path of the generated current to be the shortest path.
Abstract translation: 目的：提供一种用于燃料电池的分离板，以使气体均匀地流动，并使燃料电池的部件容易固定，并使发电电流的损失最小化。 构成：分离板（11）具有气体路径（12），其具有重复的锯齿形结构图案并且包含至少一个线性条。 线性条通过包括多个线性条的组重复地布置在之字形结构的气体路径中。 优选地，设置参考孔（13），用于在燃料电池接合时固定部件的位置。 优选地，用于获得在燃料电池处产生的电流的输出线（14）被直接设置到分离板，用于允许所产生的电流的输出路径是最短路径。
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公开(公告)号：KR1020030063676A
公开(公告)日：2003-07-31
申请号：KR1020020003925
申请日：2002-01-23
Applicant: 한국과학기술연구원
IPC: C23C10/34
CPC classification number: C23C10/50 , C22C33/0242 , C22C38/06 , C22C38/18 , C23C10/40
Abstract: PURPOSE: A method and a system for coating metal corrosion preventing film on separator for MCFC using pack cementation are provided to easily control thickness of the metal corrosion preventing film and recycle the metal powder by separately supplying metal powder and metal halide powder and supplying high purity hydrogen. CONSTITUTION: In a system for coating a metal corrosion preventing film on stainless steel separator(10) for MCFC (molten carbonate fuel cell) using pack cementation, the system comprises reactor(7) in which metal powder(9) contacted separator for MCFC is installed; electric furnace(8) for heating the reactor; hydrogen storage tank(1) for supplying low purity hydrogen to the film separation unit; film separation unit(2) in which Pd series film(3) is coated to supply high purity hydrogen into the reactor; gas supply tube(11) connected to the inside of the reactor to supply high purity hydrogen into the reactor; and sublimator(5) which is positioned at the middle of hydrogen supply line on the outer part of the reactor, and in which metal halide(6) is contained, the system further comprises ball flow meter(4) for supplying the high purity hydrogen in a fixed flow rate, wherein the metal is aluminum or chromium, wherein the reactor is sealed by lid(13) and graphite gasket(14) so that external gas is not penetrated into the reactor, and wherein a space(12) is formed between the hydrogen supply tube and reactor so that hydrogen supplied is exhausted through the space.
Abstract translation: 目的：提供一种用于在MCFC隔膜上涂覆金属防腐膜的方法和系统，用于包装胶结，以容易地控制金属防腐膜的厚度，并通过分别供应金属粉末和金属卤化物粉末并提供高纯度来再循环金属粉末 氢。 构成：在使用包装胶结剂的用于MCFC（熔融碳酸盐燃料电池）的不锈钢隔板（10）上涂覆金属防腐蚀膜的系统包括反应器（7），其中用于MCFC的金属粉末（9）接触分离器是 安装; 用于加热反应器的电炉（8） 用于向薄膜分离单元供给低纯度氢的储氢罐（1）; 膜分离单元（2），其中涂覆Pd系膜（3）以向反应器中提供高纯度氢; 气体供应管（11）连接到反应器内部以将高纯度氢气供应到反应器中; 和升华器（5），其位于反应器外部的氢供应管线的中间，并且其中包含金属卤化物（6），该系统还包括用于提供高纯度氢气的球流量计（4） 以固定的流速，其中所述金属是铝或铬，其中所述反应器由盖（13）和石墨垫片（14）密封，使得外部气体不被穿入反应器中，并且其中形成空间（12） 在氢气供应管和反应器之间，使得供应的氢气通过空间排出。
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Patent Agency Ranking
公开(公告)号：KR102254764B1
公开(公告)日：2021-05-24
申请号：KR1020190046329
申请日：2019-04-19
Applicant: 한국과학기술연구원
Abstract: 본발명은불소가도핑된주석산화물담지체및 이를포함하는연료전지용백금촉매와이들의제조방법에관한것이다. 본발명은주석산화물기반의담지체에전기방사공정을통해불소를도핑함으로써높은전기전도도와전기화학적내구성을가지므로, 기존의상용화된백금/탄소(Pt/C) 촉매에서탄소담지체가갖는열화문제를해결하면서도주석산화물담지체자체의한계점인도펀트나주석의전기화학적용출을최소화하여연료전지용촉매로서의성능이우수하다.
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公开(公告)号：KR101924490B1
公开(公告)日：2018-12-04
申请号：KR1020170078254
申请日：2017-06-21
Applicant: 한국과학기술연구원
Abstract: 본 발명은 음이온 교환막 막-전극 접합체를 이용한 전기화학적 암모니아 합성방법에 관한 것으로, 보다 상세하게는 애노드; 산화철이 코팅된 가스 확산층을 함유하는 캐소드; 및 음이온 교환막;을 포함하는 암모니아 합성용 음이온 교환막 막-전극 접합체를 이용한 암모니아 합성방법에 있어서, 상기 캐소드에 가습된 질소를 공급하는 단계; 상기 애노드에 수산화칼륨을 공급하는 단계; 및 상기 막-전극 접합체에 전압을 인가하는 단계;를 포함하는 것을 특징으로 하는 암모니아 합성방법을 통하여 암모니아의 생산 수율 및 합성속도를 향상시키는 기술에 관한 것이다.
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