公开(公告)号：KR1020030070725A

公开(公告)日：2003-09-02

申请号：KR1020020010246

申请日：2002-02-26

Applicant: 한국과학기술연구원

Inventor： 홍성안 ,  오인환 ,  임태훈 ,  남석우 ,  하흥용 ,  윤성필 ,  한종희 ,  이광수

IPC: H01M4/86

Abstract: PURPOSE: A fuel electrode for a molten carbonate fuel cell and a molten carbonate fuel cell containing the electrode are provided, to inhibit the deterioration of the performance of fuel cell due to the cracking of an electrolyte matrix and the increase of polarization of fuel cell and to lower the manufacturing cost. CONSTITUTION: The fuel electrode is prepared by mixing at least one reinforcing powder selected from the group consisting of a Ni-containing metal mixture, a Ni-containing alloy and a Ni-containing metal compound for improving the resistance against sintering and compression molding during the operation of a fuel electrode, and a pure Ni or Cu powder for improving the sintering property. Preferably the content of the reinforcing powder is 30-70 vol%.

Abstract translation: 目的：提供一种用于熔融碳酸盐燃料电池的燃料电极和包含该电极的熔融碳酸盐燃料电池，以抑制由于电解质基质的破裂和燃料电池的极化增加引起的燃料电池的性能的劣化，以及 降低制造成本。 构成：燃料电极通过混合至少一种选自由含Ni金属混合物，含Ni合金和含Ni金属化合物组成的组的增强粉末来制备，以提高耐烧结和压缩成型的能力 燃料电极的操作，以及用于提高烧结性能的纯Ni或Cu粉末。 优选地，增强粉末的含量为30-70体积％。

公开(公告)号：KR1020030070447A

公开(公告)日：2003-08-30

申请号：KR1020020009991

申请日：2002-02-25

Applicant: 한국과학기술연구원

Inventor： 오인환 ,  신석재 ,  하흥용 ,  홍성안 ,  임태훈 ,  남석우 ,  윤성필 ,  한종희 ,  김영천 ,  이광수

IPC: H01M8/04

Abstract: PURPOSE: A gas supply apparatus for the operation of a fuel cell is provided, to allow the apparatus to be operated under a high pressure, the humidification state of the gas supplied to a fuel cell to be controlled easily and the water necessary for the humidification to be supplemented even during operation. CONSTITUTION: The gas supply apparatus supplies the reaction gas to a fuel cell after humidifying the reaction gas supplied from a gas source in a humidifier, wherein the humidifier comprises a container(30) receiving the reaction gas and humidifying it by using water; a humidifier gas supply pipe(13) whose one side is inserted into the container to supply the reaction gas to be humidified; a water supply pipe(33) supplying the water to be used for humidifying the reaction gas to the container; and a fuel cell gas supply pipe(15) connected with the container to supply the humidified reaction gas to a fuel cell. Preferably a detachable jacket-shaped container heater(35) is set at the outer circumference of the container for humidifying the reaction gas by heating; and a water supplement valve(34) is set at the water supply pipe.

Abstract translation: 目的：提供一种用于操作燃料电池的气体供应装置，以使设备能够在高压下操作，供给燃料电池的气体的加湿状态容易控制，加湿所需的水 即使在操作期间也要补充。 构成：在加湿从加湿器中的气源供给的反应气体之后，气体供给装置向燃料电池供给反应气体，其中，加湿器包括容纳反应气体的容器（30），并通过使用水对其进行加湿; 加湿器供气管（13），其一侧插入容器中以供应待加湿的反应气体; 向所述容器供给用于将所述反应气体加湿的水的供水管道（33） 以及与容器连接以将加湿的反应气体供给到燃料电池的燃料电池气体供给管（15）。 优选地，在容器的外周设置可拆卸的夹套形容器加热器（35），用于通过加热来加湿反应气体; 并且在供水管上设置补水阀（34）。

公开(公告)号：KR1020030049805A

公开(公告)日：2003-06-25

申请号：KR1020010080124

申请日：2001-12-17

Applicant: 한국과학기술연구원

Inventor： 홍성안 ,  오인환 ,  임태훈 ,  남석우 ,  하흥용 ,  윤성필 ,  한종희 ,  김영천 ,  최형준

IPC: H01M8/02

CPC classification number: H01M8/026 ,  H01M8/0206 ,  H01M8/0228 ,  H01M8/0267 ,  H01M8/0271 ,  H01M8/2483 ,  Y02P70/56

Abstract: PURPOSE: A porous gas distribution plate for a small fuel cell which can be formed in the shape of a sheet maintaining suitable physical strength is provided. A metal separation plate comprising the gas distribution plate is also provided. CONSTITUTION: The porous gas distribution plate for a small fuel cell comprises a metal plate through which a number of holes(130) having a diameter less than 2 mm are formed by etching. One side of the metal plate is flat while fine gas channels(120) having a depth less than 0.6 mm and a width less than 2 mm are formed on the other side with separating by a constant distance less than 2 mm. The small fuel cell comprising the separation plate formed from the gas distribution plate has improved output density, confidence and low manufacturing costs.

Abstract translation: 目的：提供一种小型燃料电池用多孔气体分配板，该多孔气体分配板可以形成为保持适当物理强度的薄片形状。 还提供了包括气体分配板的金属分离板。 构成：用于小型燃料电池的多孔气体分配板包括金属板，通过蚀刻形成有多个直径小于2mm的孔（130）。 金属板的一侧是平坦的，而在另一侧上形成深度小于0.6mm且宽度小于2mm的精细气体通道（120），其间隔小于2mm的恒定距离。 包括由气体分配板形成的分离板的小型燃料电池具有改进的输出密度，置信度和低制造成本。

公开(公告)号：KR1020030036964A

公开(公告)日：2003-05-12

申请号：KR1020010067917

申请日：2001-11-01

Applicant: 한국과학기술연구원

Inventor： 홍성안 ,  오인환 ,  임태훈 ,  남석우 ,  하흥용 ,  윤성필 ,  한종희 ,  강범석

IPC: H01M4/86

CPC classification number: H01M4/8885 ,  H01M4/8621 ,  H01M4/8657 ,  H01M2004/8684 ,  H01M2008/147 ,  Y02E60/526

Abstract: PURPOSE: Provided is an anode which has the inner surface of pore coated with porous ceramic film, shows improved wettability to electrolyte, and prevents the consumption of electrolyte, and thus can stably retain an excellent capability of battery when the battery works for a long time. CONSTITUTION: The anode for molten carbonate fuel cell comprising an anode, an electrolyte and a cathode, is characterized in that the anode has pore side coated with porous ceramic film. The anode consists of any one selected from the group consisting of pure Ni, Ni-containing metal mixture, Ni-containing alloy, and Ni-containing metal compound. The porous ceramic film is formed from any sol selected from the group Al oxide, Ce oxide, Zr oxide, Al hydroxide, Ce-hydroxide, and Zr hydroxide. The porous ceramic film is formed by sol gel process comprising the steps of impregnating the anode with ceramic sol and drying the anode.

Abstract translation: 目的：提供具有多孔陶瓷膜的内表面的阳极，显示出对电解质的润湿性的改善，并且防止电解质的消耗，因此当电池长时间工作时，可以稳定地保持电池的优异性能 。 构成：包含阳极，电解质和阴极的熔融碳酸盐燃料电池的阳极的特征在于阳极具有多孔陶瓷膜的孔侧。 阳极由选自纯Ni，含Ni金属混合物，含Ni合金和含Ni金属化合物组成的组中的任一种构成。 多孔陶瓷膜由选自Al氧化物，Ce氧化物，Zr氧化物，Al氢氧化物，Ce-氢氧化物和Zr氢氧化物的任何溶胶形成。 多孔陶瓷膜是通过溶胶凝胶法形成的，其包括用陶瓷溶胶浸渍阳极并干燥阳极的步骤。

公开(公告)号：KR1020030026430A

公开(公告)日：2003-04-03

申请号：KR1020010059248

申请日：2001-09-25

Applicant: 한국과학기술연구원

Inventor： 오인환 ,  하흥용 ,  조장호 ,  홍성안 ,  임태훈 ,  남석우

IPC: H01M4/96

Abstract: PURPOSE: Provided are an easy and fast process for producing an electrode for a fuel cell having high catalyst utilization rate and performance and performance reproducibility, and the electrode produced by using the process. CONSTITUTION: The process for producing the electrode for the fuel cell contains the steps of: forming a carbon layer(12) on a support(13) for the electrode by screen printing, wherein the carbon layer(12) uses a carbon slurry produced by using carbon powder having a particle size of 10-2000nm, teflon suspension as an adhesive agent, glycerol as a thickener, and a solvent such as water, isopropyl alcohol, or ethanol; forming a catalyst layer(11) on the carbon layer(12) by screen printing, wherein the catalyst layer(11) uses a catalyst slurry produced by using a catalyst having a particle size of 10-2000nm, an ionomer as an adhesive agent, glycerol as a thickener, and a solvent such as water, isopropyl alcohol, or ethanol.

Abstract translation: 目的：提供一种用于生产具有高催化剂利用率，性能和性能再现性的燃料电池用电极以及使用该方法制造的电极的简单且快速的方法。 构成：用于制造燃料电池用电极的方法包括以下步骤：通过丝网印刷在电极用支撑体（13）上形成碳层（12），其中，碳层（12）使用由 使用粒径为10-2000nm的碳粉，聚四氟乙烯悬浮液作为粘合剂，甘油作为增稠剂，溶剂如水，异丙醇或乙醇; 通过丝网印刷在碳层（12）上形成催化剂层（11），其中催化剂层（11）使用通过使用粒径为10-2000nm的催化剂，离聚物作为粘合剂制备的催化剂浆料， 甘油作为增稠剂，和溶剂如水，异丙醇或乙醇。

公开(公告)号：KR1020010074336A

公开(公告)日：2001-08-04

申请号：KR1020000003353

申请日：2000-01-25

Applicant: 한국과학기술연구원

Inventor： 임태훈 ,  하흥용 ,  남석우 ,  오인환 ,  홍성안 ,  문형대 ,  이호인

IPC: H01M8/14

CPC classification number: H01M8/0625 ,  H01M2008/147 ,  H01M2300/0051 ,  Y02E60/526

Abstract: PURPOSE: A direct interior-modified melt carbonate fuel cell is provided, which is provided with a carbonate blocking membrane to increase the lifetime and to improve the efficiency without the increase of internal resistance and the consumption of carbonate. CONSTITUTION: The melt carbonate fuel cell comprises a carbonate blocking membrane which is made of nickel or nickel-containing alloy and blocks the delivery of the hydroxide vapor converted from the carbonate vapor or the carbonates into a catalyst, between a fuel electrode and an interior-modified catalyst layer. Preferably the carbonate blocking membrane contains pores whose mean pore size is 0.01-10 micrometers, by the degree of 30-90 %, and has the thickness of 0.1-1 mm. The carbonate blocking membrane is prepared by coating nickel or nickel-containing alloy on the surface of porous inorganic carrier selected from the group consisting of Al2O3, SiO2, TiO2 and ZrO2.

Abstract translation: 目的：提供直接内部改性的熔融碳酸盐燃料电池，其具有碳酸盐阻挡膜以增加寿命并提高效率，而不增加内阻和碳酸盐的消耗。 构成：熔融碳酸盐燃料电池包括碳酸盐阻挡膜，其由含镍或含镍合金制成，并且阻断从碳酸盐蒸气或碳酸盐转化为催化剂的氢氧化物蒸汽在燃料电极和内部 - 改性催化剂层。 优选地，碳酸盐封闭膜含有平均孔径为0.01-10微米的孔，为30-90％，厚度为0.1-1mm。 通过在选自Al2O3，SiO2，TiO2和ZrO2的多孔无机载体的表面上涂覆含镍或含镍合金来制备碳酸盐封闭膜。

公开(公告)号：KR1020010045255A

公开(公告)日：2001-06-05

申请号：KR1019990048478

申请日：1999-11-04

Applicant: 한국과학기술연구원

Inventor： 홍성안 ,  오인환 ,  임태훈 ,  남석우 ,  하흥용 ,  강범석

IPC: H01M8/14

CPC classification number: Y02E60/526

Abstract: PURPOSE: Provided are a process for producing a Li/Na electrolyte green sheet for a molten carbonate fuel cell(MCFC) and a method for pretreating and operating the MCFC containing the Li/Na electrolyte. CONSTITUTION: The Li/Na electrolyte green sheet is produced by the process comprising the steps of: ball-milling 100pts.wt. of a carbonate mixture powder comprising Li2CO3 and Na2CO3, 10-20pts.wt. of a binder, 10-20pts.wt. of a plasticizer, 1-2pts.wt. of a dispersing agent, 1-2pts.wt. of an antifoaming agent, and 50-100pts.wt. of ethanol solvent to prepare powdery slurry; tape-casting the powdery slurry; drying at a temperature of 40-90 deg.C. The method for pretreating and operating the MCFC containing the Li/Na electrolyte includes the steps of: supplying air at an ordinary temperature-300 deg.C, a mixture gas containing carbon dioxide and 5M of hydrogen at 300-650 deg.C, and a mixture gas comprising the hydrogen, the carbon dioxide, and steam after the temperature reaches 650 deg.C to an anode of the MCFC; supplying the air at an ordinary temperature-450 deg.C, inert gas or a mixture gas containing the inert gas and less than 10M of the hydrogen at 450-650 deg.C, and a mixture gas comprising the air and the carbon dioxide after the temperature reaches 650 deg.C to a cathode of the MCFC.

Abstract translation: 目的：提供一种用于生产熔融碳酸盐燃料电池（MCFC）的Li / Na电解质生片的方法以及用于对含有Li / Na电解质的MCFC进行预处理和操作的方法。 构成：Li / Na电解质生片通过包括以下步骤的方法生产：球磨100pts.wt。 的包含Li 2 CO 3和Na 2 CO 3的碳酸盐混合物粉末，10-20pts.wt。 的粘合剂，10-20pts.wt。 的增塑剂，1-2pts.wt。 的分散剂，1-2pts.wt。 的消泡剂，和50-100pts.wt。 的乙醇溶剂制备粉状浆料; 流延粉末浆料; 在40-90℃的温度下干燥。 用于预处理和操作含有Li / Na电解质的MCFC的方法包括以下步骤：在300-650℃的常温-30℃下，将含有二氧化碳和5M氢气的混合气体供应空气，以及 在与MCFC的阳极温度达到650摄氏度之后，包括氢，二氧化碳和蒸汽的混合气体; 在450-650摄氏度的常温450℃，惰性气体或含有惰性气体和小于10M的氢气的混合气体中提供空气，以及包含空气和二氧化碳的混合气体 温度达到650摄氏度到MCFC的阴极。

公开(公告)号：KR1020010038320A

公开(公告)日：2001-05-15

申请号：KR1019990046261

申请日：1999-10-25

Applicant: 한국과학기술연구원

Inventor： 홍성안 ,  오인환 ,  임태훈 ,  남석우 ,  하흥용 ,  강범석 ,  이광수

IPC: H01M8/02

CPC classification number: Y02P70/56

Abstract: PURPOSE: A ceramic fiber-reinforced matrix for a molten carbonate fuel cell and a method for manufacturing the same are provided which restrains cracks of matrix due to the thermal cycling that can be generated during the long term running of the molten carbonate fuel cell and the resulting deterioration of the cell. CONSTITUTION: The method for manufacturing the fiber-reinforced matrix for a molten carbonate fuel cell comprises the steps of preparing a slurry by ball milling the mixture after mixing LiAlO2 powder, dispersant, antifoaming agent and solvent; adding binder, plasticizer and ceramic fiber to the prepared slurry, mixing the materials, and ball milling the mixture; degassing the ball milled slurry; and drying after molding the degassed slurry in a tape casting process, wherein the LiAlO2 powder is selected from the group consisting of γ-LiAlO2, β-LiAlO2 and α-Al2O3, the LiAlO2 powder is a mixture of LiAlO2 HSA (high surface area) having a size of 5 microns or less and LiAlO2 LSA (low surface area) having a size of 10 microns or less, and the LSA is 10 to 30 weight parts based on the 100 weight parts of fiber and powder, wherein the ceramic fiber is selected from the group consisting of α-Al2O3, γ-LiAlO2, β-LiAlO2, α-LiAlO2, LiZrO3, Y2O3 stabilized ZrO3, LiTaO3, LiNbO3 and CeO2, and used in an amount of 5 to 20 weight parts based on 100 weight parts of powder and fiber, and wherein 10 to 40 weight parts of binder, 10 to 40 weight parts of plasticizer, 1 to 5 weight parts of antifoaming agent, 1 to 2 weight parts of dispersant and 150 to 250 weight parts of solvent are used based on 100 weight parts of powder and fiber.

Abstract translation: 目的：提供一种用于熔融碳酸盐燃料电池的陶瓷纤维增强基体及其制造方法，其抑制由于在熔融碳酸盐燃料电池的长期运行期间可能产生的热循环，从而抑制基体的裂纹 导致电池劣化。 构成：用于制造熔融碳酸盐燃料电池的纤维增强基质的方法包括以下步骤：在混合LiAlO 2粉末，分散剂，消泡剂和溶剂之后通过球磨该混合物制备浆料; 向制备的浆料中加入粘合剂，增塑剂和陶瓷纤维，混合材料，并对混合物进行球磨; 对球磨浆进行脱气; 并在成型后将脱气后的浆料干燥，其中LiAlO 2粉末选自γ-LiAlO 2，β-LiAlO 2和α-Al 2 O 3，LiAlO 2粉末是LiAlO 2 HSA（高表面积） 具有5微米或更小的尺寸和尺寸为10微米或更小的LiAlO 2 LSA（低表面积），并且LSA基于100重量份纤维和粉末为10至30重量份，其中陶瓷纤维为 选自α-Al 2 O 3，γ-LiAlO 2，β-LiAlO 2，α-LiAlO 2，LiZrO 3，Y 2 O 3稳定的ZrO 3，LiTaO 3，LiNbO 3和CeO 2，并且以基于100重量份的5至20重量份 的粉末和纤维，并且其中使用10至40重量份的粘合剂，10至40重量份的增塑剂，1至5重量份的消泡剂，1至2重量份的分散剂和150至250重量份的溶剂 在100重量份的粉末和纤维上。

公开(公告)号：KR100286425B1

公开(公告)日：2001-03-15

申请号：KR1019990002155

申请日：1999-01-23

Applicant: 한국과학기술연구원

Inventor： 임태훈 ,  하흥용 ,  남석우 ,  오인환 ,  홍성안 ,  문형대 ,  이호인

IPC: H01M8/06

CPC classification number: Y02P70/56

Abstract: 1) 기공크기가 50Å∼400Å인다공성무기담체, 및 2) 상기다공성무기담체안에분산되어있는촉매활성물질로 이루어지는, 연료전지내에공급되는탄화수소및 알코올을수소로전환시키기위한용융탄산염연료전지용개질촉매로서, 상기촉매활성물질은주촉매물질인니켈과조촉매물질의조합으로이루어지고, 상기조촉매물질은 Pt, Pd, Ir, Ru 및 Rh로이루어지는 Pt계귀금속및 LaO, CeO, MgO, PrO, NdO, SmO및 GdO으로이루어지는란탄계산화물로이루어지는군으로부터선택된 1종이상의물질인연료전지용개질촉매, 및그의제조방법으로서상기촉매활성물질중주촉매물질인니켈의금속염수용액을다공성무기담체에함침및 건조시킨후, 이를산화침전제의용액에담그어니켈금속염을산화시킨후 건조시키므로써, 촉매전구체를제조하는단계, 제조된촉매전구체에조촉매물질로서 Pt계귀금속의금속염수용액또는란탄계산화물의금속염수용액또는이들금속염수용액의혼합물을함침및 건조시키는단계를포함하는용융탄산염연료전지용개질촉매의제조방법이개시되어있다. 본발명에따른촉매는금속니켈과담체와의강한결합으로인해니켈의소결속도가감소하며, 첨가된귀금속조촉매에의한니켈의환원도증가에의해수소선택도가증가하며, 첨가된란탄계조촉매로인해탄소생성이감소된다. 따라서, 본발명에따른촉매는탄산염증기또는수산화물증기와의접촉으로인한피독에대해큰 저항성을갖는다.

公开(公告)号：KR100120018B1

公开(公告)日：1997-10-27

申请号：KR1019940017484

申请日：1994-07-20

Applicant: 한국과학기술연구원

Inventor： 임태훈 ,  이중기 ,  홍성안 ,  오인환 ,  남석우 ,  우주만

IPC: C01B31/04

Abstract: Process for coating nitride or silicone oxide on a graphite laboratory vessel for a high temperature by a chemical vapor deposition is described. Thus, the process is composed of i)building a graphite in a shape they want, ii)coating the formed graphite by using SiH4/H2 gas at 250-400 deg.C at 1-10 Torr in a low pressure chemical vapor deposition reactor to give silicon oxide film or by using SiH4/H2/NH3 gas at 300-400 deg.C in 0.1-0.5 Torr at 50-100 W of electric power in a plasma enhanced chemical vapor deposition reactor to give silicon nitride film, iii)heat processing in nitrogen or oxygen atmosphere at 600-900 deg.C for 1 hr.

Abstract translation: 描述了通过化学气相沉积在石墨实验室容器上涂覆高温的氮化物或氧化硅的方法。 因此，该方法由以下组成：i）以所需形状构造石墨，ii）在低压化学气相沉积反应器中在1-10托的250-400℃下使用SiH4 / H2气体涂覆形成的石墨 在等离子体增强化学气相沉积反应器中，在50〜100W的功率下，在0.3-4.0摄氏度下使用SiH4 / H2 / NH3气体，在0.1-0.5乇下，得到氮化硅膜，iii） 在氮气或氧气氛中在600-900℃下加热处理1小时。