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公开(公告)号：KR101118202B1
公开(公告)日：2012-03-28
申请号：KR1020090093953
申请日：2009-10-01
Applicant: 한국과학기술연구원
CPC classification number: Y02P70/56
Abstract: 본 발명은 술폰화 탄화수소계 고분자 및 술폰화 폴리벤즈이미다졸계 고분자의 블렌드(blend)를 포함하는 고분자 전해질막, 이의 제조방법, 상기 고분자 전해질막을 포함하는 막-전극 접합체 및 연료전지에 관한 것이다.
본 발명에 따르면, 술폰화 탄화수소계 고분자와 블렌드된 술폰화 폴리벤즈이미다졸계 고분자를 통해, 술폰화 탄화수소계 고분자를 포함하는 전해질막의 물성 및 치수안정성을 향상시킬 수 있으며, 궁극적으로 상기 고분자 전해질막을 포함하는 연료전지의 경우, 성능을 효율적으로 향상시킬 수 있다.
고분자 전해질막, 술폰화 폴리벤즈이미다졸-
62.发明授权
公开(公告)号：KR101098411B1
公开(公告)日：2011-12-26
申请号：KR1020090040407
申请日：2009-05-08
Applicant: 한국과학기술연구원
CPC classification number: Y02P70/56
Abstract: 본발명은 (a) 촉매층이형성된지지막을촉매층이전해질막을대향하도록전해질막의일면또는양면에위치시키고촉매층을전해질막으로전사하는단계; (b) 상기단계(a)를거친지지막, 촉매층, 전해질막을액체질소에담그는단계; 및 (c) 지지막을제거하는단계;를포함하는연료전지용막-전극접합체의제조방법, 이로부터제조된막-전극접합체및 이를포함한연료전지에관한것이다. 본발명의제조방법에따르면, 별도의처리없이지지막을제거하는종래의막-전극접합체제조방법에비하여, 높은촉매전사율을나타내는막-전극접합체및 이를포함한연료전지를제공할수 있다.
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公开(公告)号：KR101084020B1
公开(公告)日：2011-11-16
申请号：KR1020100046364
申请日：2010-05-18
Applicant: 한국과학기술연구원
IPC: H01L29/82 , G11C11/16 , H01L27/105
CPC classification number: H01L29/66984 , G11C11/161 , G11C11/1675 , G11C11/18 , Y10S257/902
Abstract: PURPOSE: A spin transistor using a dual charge supply layer structure is provided to efficiently control the precession of a spin injected to a channel layer by increasing the potential gradient of a channel. CONSTITUTION: A top cladding layer(2') and a bottom cladding layer(2) are formed with a dual cladding layer composed of an undoped InGaAs layer and an InAlAs layer. A second charge supply layer(4') is arranged on the top cladding layer. An InAs channel layer(1) forms a quantum well by an energy barrier of the top cladding layer and the bottom cladding layer. A buffer layer(5) reduces lattice mismatch between a semi-insulation InP substrate(9) and a first charge supply layer(4). An InAs capping layer(8) prevents the oxidation and denaturalization of a semiconductor.
Abstract translation: 目的：提供使用双电荷供应层结构的自旋晶体管，以通过增加通道的电位梯度来有效地控制注入到沟道层的自旋的进动。 构成：由未掺杂的InGaAs层和InAlAs层构成的双层包层形成上覆层（2'）和下覆层（2）。 第二电荷供给层（4'）布置在顶部包层上。 InAs沟道层（1）通过顶部覆层和底部包层的能量势垒形成量子阱。 缓冲层（5）减少半绝缘InP衬底（9）和第一电荷供应层（4）之间的晶格失配。 InAs覆盖层（8）防止半导体的氧化和变性。
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公开(公告)号：KR1020110036343A
公开(公告)日：2011-04-07
申请号：KR1020090093953
申请日：2009-10-01
Applicant: 한국과학기술연구원
Abstract: PURPOSE: A polymer electrolyte membrane for a fuel cell is provided to improve physical properties and dimensional stability through a sulfonated hydrocarbon polymer and a sulfonated polybenzimidazole polymer. CONSTITUTION: A method for manufacturing a polymer electrolyte membrane for a fuel cell comprises the steps of: (i) respectively synthesizing a sulfonated hydrocarbon polymer and a sulfonated polybenzimidazole polymer; (ii) dissolving the sulfonated hydrocarbon polymer and sulfonated polybenzimidazole polymer in a solvent to prepare a film containing the sulfonated hydrocarbon polymer and sulfonated polybenzimidazole polymer; (iii) drying the film and evaporating a solvent; and (iv) performing acid treatment of the film to prepare a proton electrolyte membrane.
Abstract translation: 目的：提供一种用于燃料电池的聚合物电解质膜，以通过磺化烃聚合物和磺化聚苯并咪唑聚合物改善物理性能和尺寸稳定性。 构成：制造燃料电池用聚合物电解质膜的方法包括以下步骤：（i）分别合成磺化烃聚合物和磺化聚苯并咪唑聚合物; （ii）将磺化烃聚合物和磺化聚苯并咪唑聚合物溶解在溶剂中以制备含有磺化烃聚合物和磺化聚苯并咪唑聚合物的膜; （iii）干燥膜并蒸发溶剂; 和（iv）对膜进行酸处理以制备质子电解质膜。
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公开(公告)号：KR1020110017748A
公开(公告)日：2011-02-22
申请号：KR1020090075376
申请日：2009-08-14
Applicant: 한국과학기술연구원
CPC classification number: H01M8/04641 , G01R27/02 , H01M8/04992 , Y02E60/50
Abstract: PURPOSE: A method for measuring electrochemical properties of an electrode of a fuel cell is provided to easily detect electrochemical properties in an operation condition of various relative humidity without non-linear data fitting. CONSTITUTION: A method for measuring electrochemical properties of an electrode of a fuel cell comprises the steps of: supplying non-reactive materials to the cathode or anode which is a measurement target electrode of a fuel cell and also supplying a material capable of operating an electrode of an opposite side as a reference electrode to an anode or cathode which is an electrode of an opposite side; and varying alternating frequency at a potential showing an electric dual layer reaction and measuring alternating current impedence of the fuel cell.
Abstract translation: 目的：提供一种用于测量燃料电池电极的电化学性能的方法，用于在不需要非线性数据拟合的情况下，在各种相对湿度的操作条件下容易地检测电化学性质。 构成：用于测量燃料电池的电极的电化学性质的方法包括以下步骤：向作为燃料电池的测量目标电极的阴极或阳极提供非反应性材料，并且还提供能够操作电极的材料 作为作为相对侧的电极的阳极或阴极的作为参考电极的相反侧; 并且以表示电双层反应的电位变化的交变频率并测量燃料电池的交流阻抗。
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Patent Agency Ranking
公开(公告)号：KR1020100121308A
公开(公告)日：2010-11-17
申请号：KR1020090040398
申请日：2009-05-08
Applicant: 한국과학기술연구원
CPC classification number: H01M4/8814 , H01M4/8668 , H01M4/8828 , H01M4/8882 , H01M4/8896 , H01M4/92 , H01M4/926 , H01M8/1004 , H01M8/1023 , H01M8/1025 , H01M8/1027 , H01M8/103 , H01M8/1032 , H01M8/1048 , H01M8/106 , Y02P70/56
Abstract: PURPOSE: A manufacturing method of a membrane-electrode assembly, a membrane-electrode assembly manufactured therefrom, and a fuel cell including thereof are provided to remarkably improve the porosity, and to enhance the power density of the fuel cell. CONSTITUTION: A manufacturing method of a membrane-electrode assembly comprises the following steps: producing catalytic ink slurry with a catalyst, an ion-conductive polymer, and a solvent; spreading the catalytic ink slurry to a supporting film, and vacuum drying the slurry; and transferring the supporting film to one or both sides of an electrolyte film, to form a catalyst layer on the electrolyte film.
Abstract translation: 目的：提供一种膜 - 电极组件的制造方法，由其制造的膜 - 电极组件和包括其的燃料电池，以显着提高孔隙率并提高燃料电池的功率密度。 构成：膜 - 电极组件的制造方法包括以下步骤：用催化剂，离子导电聚合物和溶剂制备催化墨浆; 将催化墨浆铺展到支撑膜上，真空干燥浆料; 并将支撑膜转移到电解质膜的一侧或两侧，以在电解质膜上形成催化剂层。
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67.发明公开농도 센서를 사용하지 않는 액체형 연료 전지의 연료 농도제어 방법 및 장치, 이를 이용한 액체형 연료 전지 장치 有权用于控制液体燃料电池的燃料浓度的传感器方法和装置，使用其的液体燃料电池装置
公开(公告)号：KR1020090022521A
公开(公告)日：2009-03-04
申请号：KR1020070087931
申请日：2007-08-30
Applicant: 한국과학기술연구원
IPC: H01M8/04
Abstract: A method for controlling the fuel concentration of s liquid fuel cell is provided to save the electricity used on system operation by making a simple and compact fuel cell system by using a sensor. A method for controlling the fuel concentration of s liquid fuel cell comprises a step of measuring the fuel consumption or consumption velocity of a liquid type fuel battery while changing the operation condition, and determining the fuel consumption or consumption velocity of the fuel; and a step of controlling the fuel concentration of a liquid type fuel battery by controlling the fuel supply amount or the feed rate supplied to the fuel battery corresponding to the fuel consumption or consumption velocity of the fuel.
Abstract translation: 提供一种用于控制液体燃料电池的燃料浓度的方法，以通过使用传感器制造简单紧凑的燃料电池系统来节省系统运行中使用的电力。 用于控制液体燃料电池的燃料浓度的方法包括在改变操作条件的同时测量液体型燃料电池的燃料消耗或消耗速度以及确定燃料的燃料消耗或消耗速度的步骤; 以及通过控制与燃料的燃料消耗或消耗速度对应地供给到燃料电池的燃料供给量或进给速度来控制液体型燃料电池的燃料浓度的步骤。
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68.发明公开용융탄산염 연료전지의 냉각용 분리판, 이를 포함하는용융탄산염 연료전지 및 상기 냉각용 분리판을 이용한용융탄산염 연료전지의 냉각 방법 失效用于冷却MCFC的分离器，包括其的MCFC以及使用分离器冷却MCFC的MCFC的冷却方法
公开(公告)号：KR1020080086701A
公开(公告)日：2008-09-26
申请号：KR1020070028709
申请日：2007-03-23
Applicant: 한국과학기술연구원
CPC classification number: H01M8/0267 , H01M8/0258 , H01M8/04014 , H01M8/244 , H01M2008/147 , Y02E60/526
Abstract: A bipolar plate for cooling a molten carbonate fuel cell is provided to accomplish effective cooling of a stack while not causing generation of thermal stress or a drop in the efficiency in a cost-efficient manner. A bipolar plate for cooling a molten carbonate fuel cell comprises a cooling gas flow path therein, wherein the cooling gas is an anode cooling gas or cathode cooling gas having a lower temperature than a conventional anode gas(g1) or conventional cathode gas(g2) supplied to the anode(A) or cathode(C) of the molten carbonate fuel cell. The bipolar plate takes the form of an internal manifold. The bipolar plate further comprises an introduction duct through which the cooling gas is guided into the bipolar plate.
Abstract translation: 提供了一种用于冷却熔融碳酸盐燃料电池的双极板，以有效地冷却堆叠，而不会以成本有效的方式产生热应力或效率下降。 用于冷却熔融碳酸盐燃料电池的双极板包括其中的冷却气体流动通道，其中冷却气体是具有比常规阳极气体（g1）或常规阴极气体（g2）低的温度的阳极冷却气体或阴极冷却气体， 供应到熔融碳酸盐燃料电池的阳极（A）或阴极（C）。 双极板采用内部歧管的形式。 双极板还包括导入管，冷却气体通过该导入管被引导到双极板。
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公开(公告)号：KR1020070117340A
公开(公告)日：2007-12-12
申请号：KR1020060051485
申请日：2006-06-08
Applicant: 한국과학기술연구원
IPC: H01M4/86
CPC classification number: H01M8/1004 , H01M4/8605 , H01M4/8652 , H01M8/1016 , H01M2300/0091
Abstract: A membrane electrode assembly for a fuel cell is provided to improve the quality of a fuel cell even under a non-humidified condition or high temperature condition, thereby simplifying water control occurring in a humidified condition or avoiding a need for a humidifier. A membrane electrode assembly for a fuel cell comprises an inorganic hygroscopic material in the assembly. The inorganic hygroscopic material is TEOX(tetraethyl orthosilicate), zirconium propoxide or titanium t-butoxide. The inorganic hygroscopic material is used in an amount of 0.01g-0.1g. The membrane electrode assembly comprises the inorganic hygroscopic material on either or both of the membrane side and electrode side.
Abstract translation: 提供了一种用于燃料电池的膜电极组件，以便即使在非加湿条件或高温条件下也能提高燃料电池的质量，从而简化了在加湿状态下发生的水分控制或避免了加湿器的需要。 用于燃料电池的膜电极组件包括组件中的无机吸湿材料。 无机吸湿材料是TEOX（原硅酸四乙酯），丙醇锆或叔丁醇钛。 无机吸湿材料的使用量为0.01g-0.1g。 膜电极组件包括在膜侧和电极侧中的任一个或两者上的无机吸湿材料。
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公开(公告)号：KR100783047B1
公开(公告)日：2007-12-07
申请号：KR1020060104568
申请日：2006-10-26
Applicant: 한국과학기술연구원
IPC: H01M12/08
CPC classification number: H01M16/006 , H01M8/04559 , H01M8/0494 , H01M8/04947 , H01M8/04955 , Y02E60/50
Abstract: A portable fuel cell device, and a method for driving the portable fuel cell device are provided to minimize the loss of the produced energy by reducing the concentration of fuel and maximizing the use of a secondary battery when the operation of a fuel cell is stopped. A portable fuel cell device comprises a fuel cell(10) which comprises a unit cell or a stack of unit cells; a secondary battery(31) which can be charged and discharged; and a power control device which supplies the power received from the fuel cell to application equipment(40), is connected with the secondary battery to supply or be supplied power, supplies power for operating the fuel cell, contains a DC-DC converter, measures the voltage of the fuel cell, and controls the supply of power based on the measured voltage, wherein the power control device is supplied with power from the fuel cell from the stabilization state where the voltage measured at the fuel cell is constant after the drive of the fuel cell.
Abstract translation: 提供一种便携式燃料电池装置以及用于驱动便携式燃料电池装置的方法，以便在停止燃料电池的操作时，通过降低燃料浓度和最大化二次电池的使用来最小化所产生的能量的损失。 便携式燃料电池装置包括燃料电池（10），其包括单电池或单元电池堆; 能够进行充放电的二次电池（31）; 并且将从燃料电池接收的电力供给到应用设备（40）的电力控制装置与二次电池连接以供应或供电，供应用于操作燃料电池的电力，包含DC-DC转换器，措施 燃料电池的电压，并且基于测量的电压来控制电力供应，其中功率控制装置从燃料电池从稳定状态被供电，其中在燃料电池测量的电压在驱动之后是恒定的 燃料电池。
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