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公开(公告)号:KR100776375B1
公开(公告)日:2007-11-15
申请号:KR1020060055559
申请日:2006-06-20
Applicant: 한국에너지기술연구원
Abstract: A method for preparing an anion exchange membrane is provided to obtain an anion exchange membrane for a fuel cell having improved ion conductivity and thermal stability. A method for preparing an anion exchange membrane comprises the steps of: dissolving at least one hydrocarbon-based polymer selected from the polyether-based plastic group consisting of polyether ether ketone, polyacetal, polyphenylene oxide, polysulfone, polyether sulfone and polyphenylene sulfide into a solvent, and adding a chloromethylation agent along with a catalyst thereto to perform chloromethylation; and adding a mixture of a diamine and tertiary monoamine to the chloromethylated polymer to perform amination and to obtain an aminated polymer, which, in turn, is subjected to casting into a film-like membrane.
Abstract translation: 提供了制备阴离子交换膜的方法,以获得具有改进的离子传导性和热稳定性的燃料电池的阴离子交换膜。 一种制备阴离子交换膜的方法,包括以下步骤:将选自聚醚醚酮,聚缩醛,聚苯醚,聚砜,聚醚砜,聚苯硫醚的聚醚类塑料基中的至少一种烃类聚合物溶解在溶剂中 ,并向其中加入氯甲基化试剂以进行氯甲基化; 并将二胺和叔单胺的混合物加入到氯甲基化的聚合物中进行胺化,得到胺化的聚合物,然后进一步将其浇铸成膜状膜。
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公开(公告)号:KR1020070076650A
公开(公告)日:2007-07-25
申请号:KR1020060005787
申请日:2006-01-19
Applicant: 한국에너지기술연구원
IPC: H01M8/02
CPC classification number: Y02P70/56 , H01M8/0276 , H01M8/0273 , H01M8/028 , H01M8/1004 , Y02E60/50
Abstract: A supporter-inserted gasket is provided to prevent a deviation of a gasket while a fuel cell is kept airtight, to reduce a production error of a multi-layer membrane-electrode assembly, and to save a production cost of a membrane-electrode assembly. The supporter-inserted gasket to be provided in a membrane-electrode assembly comprises a supporter(24) and a gasket(26) molded on the upper part of the supporter(24). The membrane-electrode assembly has the gasket which is configured to keep a fixed gap between a separator and a polymer membrane(20). The gasket is attached and fixed to the polymer membrane(20) by an adhesive member(22).
Abstract translation: 提供了一种插入垫片的垫片,以在燃料电池保持气密的同时防止垫圈的偏移,从而降低多层膜 - 电极组件的制造误差,并且节省了膜 - 电极组件的生产成本。 设置在膜 - 电极组件中的支撑体插入垫圈包括支撑件(24)和模制在支撑件(24)的上部上的垫圈(26)。 膜 - 电极组件具有垫圈,其被配置成在隔板和聚合物膜(20)之间保持固定的间隙。 垫圈通过粘合构件(22)附接并固定到聚合物膜(20)上。
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公开(公告)号:KR100763590B1
公开(公告)日:2007-10-04
申请号:KR1020060066469
申请日:2006-07-14
Applicant: 한국에너지기술연구원
IPC: H01M8/02
CPC classification number: Y02P70/56 , H01M8/0273 , H01M8/0258 , H01M8/028 , H01M8/0286 , Y02E60/50
Abstract: A sealing structure of a fuel cell is provided to prevent gaskets from being dislocated when a fuel cell is kept airtightly, facilitate the assembly of all components, and be suitable for improving the airtightness of a fuel cell after assembling. A sealing structure of a fuel cell includes a membrane-electrode assembly(104), and separators(106) that adhere to both surfaces of the membrane-electrode assembly to provide channels through which fuel and air flow. The membrane-electrode assembly comprises a polymer membrane(101), a fuel electrode(102) which adheres to one surface of the polymer membrane and is supplied with fuel to cause electrical oxidation, and an air electrode(103) which adheres to the other surface of the polymer membrane and is supplied with air to cause electrical reduction. The separator has grooves formed on an end part of the inner surface thereof. First gaskets(107a) adhere to end parts of both surfaces of the membrane-electrode assembly. A second gasket(107b) adheres to an end part of the inner surface of the separator and is formed of a material having the elastic modulus greater than that of a constitution material of the first gasket. The first gasket and the second gasket are formed opposite to each other. When the membrane-electrode assembly and the separators are fixed to each other, the first gasket and the second gasket are joined to each other.
Abstract translation: 提供燃料电池的密封结构,以防止当燃料电池保持气密时垫片脱位,便于组装所有部件,并且适合于在组装之后提高燃料电池的气密性。 燃料电池的密封结构包括膜 - 电极组件(104)和粘附到膜 - 电极组件的两个表面以提供燃料和空气流动的通道的隔板(106)。 膜 - 电极组件包括聚合物膜(101),粘附到聚合物膜的一个表面并且被供应燃料以引起电氧化的燃料电极(102),以及粘附到另一个的空气电极(103) 聚合物膜的表面并供给空气以引起电还原。 隔板具有形成在其内表面的端部上的槽。 第一垫圈(107a)粘附在膜 - 电极组件的两个表面的端部。 第二垫圈(107b)粘附到隔板的内表面的端部,并且由具有大于第一垫圈的构成材料的弹性模量的材料形成。 第一垫圈和第二垫圈彼此相对地形成。 当膜电极组件和分离器彼此固定时,第一垫圈和第二垫圈彼此接合。
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公开(公告)号:KR100746881B1
公开(公告)日:2007-08-07
申请号:KR1020060005787
申请日:2006-01-19
Applicant: 한국에너지기술연구원
IPC: H01M8/02
CPC classification number: Y02P70/56
Abstract: 본 발명은 연료전지의 기밀 유지 시 가스켓의 어긋남을 방지하고, 다층 막전극복합체(Multi-layer MEA)의 제작 오차를 줄이고, 막전극복합체(MEA)의 생산 비용을 절감할 수 있도록 하는 지지체 삽입형 가스켓 및 그 가스켓을 일체로 갖는 막전극복합체에 관한 것으로서, 막전극복합체에 구비되는 가스켓에 있어서, 지지체가 마련되고, 상기 지지체 상부에 가스켓이 성형되어 있는 것을 특징으로 한다.
막전극복합체, MEA, 가스켓, 지지체, 삽입, 일체, 접착-
公开(公告)号:KR100801658B1
公开(公告)日:2008-02-05
申请号:KR1020060090549
申请日:2006-09-19
Applicant: 한국에너지기술연구원
CPC classification number: Y02P70/56 , H01M8/04097 , F04F5/461 , H01M8/04201 , Y02E60/50
Abstract: A two-way variable nozzle ejector for a fuel cell is provided to improve the recycling efficiency of fuel by the variable respond to the change of the operation condition of a fuel cell. A two-way variable nozzle ejector comprises at least two nozzles for control the flux and flow rate on the channel of a suction chamber, and a needle for allowing the axis to be controlled respectively in the each nozzle, thereby allowing the cross-sectional area of the axis of the nozzle to be varied. Also the two-way variable nozzle ejector comprises a suction chamber(110) having a channel(113); a first nozzle(120); a first needle(130) for varying the axis cross-sectional area of the first needle; a second nozzle(140); and a second needle(150) for varying the axis cross-sectional area of the second needle.
Abstract translation: 提供一种用于燃料电池的双向可变喷嘴喷射器,以通过变化响应于燃料电池的操作条件的改变来提高燃料的再循环效率。 双向可变喷嘴喷射器包括用于控制吸入室的通道上的通量和流速的至少两个喷嘴和用于允许轴被分别控制在每个喷嘴中的针,从而允许横截面积 要改变喷嘴的轴线。 此外,双向可变喷嘴喷射器包括具有通道(113)的吸入室(110); 第一喷嘴(120); 第一针(130),用于改变第一针的轴线横截面积; 第二喷嘴(140); 以及用于改变第二针的轴线横截面积的第二针(150)。
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公开(公告)号:KR100645594B1
公开(公告)日:2006-11-15
申请号:KR1020060065331
申请日:2006-07-12
Applicant: 한국에너지기술연구원
Abstract: Provided are a unit cell or stack for evaluating the performance of a fuel cell which minimizes the partial temperature deviation of cells, and a method for evaluating the performance of a fuel cell by using the unit cell or stack. The unit cell(100) or stack is provided with a semiconductor thermoelement(200) which is attached at the side part of a unit cell or a stack. Also the unit cell or stack comprises a membrane electrode assembly which comprises a fuel electrode, an electrolyte layer and an air electrode; a separator; and a current collector(102), wherein a semiconductor thermoelement is attached to the current collector. Preferably the semiconductor thermoelement has a plate form, covers the side part of the unit cells and is made of an alloy comprising at two, three or four elements selected from Bi, Te, Se, Pb and Ge.
Abstract translation: 提供了用于评估使电池的部分温度偏差最小化的燃料电池的性能的单元电池或电池组以及通过使用该电池或电池组来评估燃料电池的性能的方法。 单元电池(100)或电池堆设置有附接在单元电池或电池堆的侧部的半导体热元件(200)。 单元电池或电池堆还包括膜电极组件,其包括燃料电极,电解质层和空气电极; 分离器; 和集电器(102),其中半导体热元件连接到集电器。 优选地,半导体热元件具有平板形式,覆盖单元电池的侧部并且由包含选自Bi,Te,Se,Pb和Ge中的两种,三种或四种元素的合金制成。
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公开(公告)号:KR100864072B1
公开(公告)日:2008-10-16
申请号:KR1020080002486
申请日:2008-01-09
Applicant: 한국에너지기술연구원
IPC: H01L21/20
Abstract: 본 발명은 물과 기체를 통과시키는 다수의 기공들을 포함한 다공질 실리콘 박막에서, 기공 입구 주위에 열변형 구조체를 설치하여 기공을 통과하는 물의 이동을 조절하는 것에 관한 것이다.
구체적으로 물과 접촉하는 면에서 친수성 물질로 코팅된 박막 표면으로부터 기공의 주위에 설치되는 열변형 구조체는 표면에서의 온도 변화에 따라 기공의 크기를 조절함으로써 모세관압에 의해 기공을 통과하는 물의 이동량을 조절할 수 있다.
실리콘 박막, 열변형율-
公开(公告)号:KR100823290B1
公开(公告)日:2008-04-17
申请号:KR1020070046895
申请日:2007-05-15
Applicant: 한국에너지기술연구원
Abstract: A central gas distributor for a fuel cell is provided to relieve the local lack of the supply of reaction gas effectively, thereby improving the performance of a fuel cell stack remarkably. A central gas distributor for a fuel cell comprises a central part(100) which guides the flow of the reaction gas supplied from the front part or the back part to the central side and separates it from the central part into left and right sides; and left and right parts(200) which guide the flow of the reaction gas introduced through the central part supplied from the front part to the front side and guide the flow of the reaction gas introduced through the central part supplied from the back part to the back side so as to form a flowing fraction of the reaction gas flow and to discharge it to left or right sides.
Abstract translation: 提供了用于燃料电池的中央气体分配器,以有效地减轻局部反应气体的供应,从而显着提高燃料电池堆的性能。 用于燃料电池的中央气体分配器包括:中心部分(100),其将从前部或后部供应的反应气体的流动引导到中心侧,并将其从中心部分分离成左侧和右侧; 以及左右部(200),其引导从前部供给的中央部引入的反应气体的流向前侧,并且将从后部供给的中心部引入的反应气体的流动引导到 从而形成反应气流的流动分数并将其排出到左侧或右侧。
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公开(公告)号:KR100801657B1
公开(公告)日:2008-02-05
申请号:KR1020060098963
申请日:2006-10-11
Applicant: 한국에너지기술연구원
CPC classification number: H01M4/861 , H01M8/04291 , H01M8/1009 , H01M2008/1095 , Y02E60/521
Abstract: A fuel cell is provided to improve electrical conductivity and water maintenance without the deterioration of gas permeability by using a coated gas diffusion layer. A fuel cell comprises a gas diffusion layer coated with a microlayer which comprises 25 wt% of a carbon nanotube or a carbon nanofiber and 75 wt% of carbon black. Preferably the gas diffusion layer comprises a gas diffusion material and a microlayer; and the gas diffusion material is any one selected from carbon paper, carbon cloth and expanded and sintered metal. Preferably the fuel cell uses a proton exchange membrane as an electrolyte membrane.
Abstract translation: 提供燃料电池以通过使用涂覆的气体扩散层来改善导电性和水的维持,而不会降低气体渗透性。 燃料电池包括涂覆有微层的气体扩散层,其包含25重量%的碳纳米管或碳纳米纤维和75重量%的炭黑。 优选地,气体扩散层包括气体扩散材料和微层; 气体扩散材料是选自碳纸,碳布和膨胀和烧结金属中的任何一种。 优选地,燃料电池使用质子交换膜作为电解质膜。
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公开(公告)号:KR100835703B1
公开(公告)日:2008-06-05
申请号:KR1020060110929
申请日:2006-11-10
Applicant: 한국에너지기술연구원
IPC: H01L21/20
Abstract: 본 발명은 물과 기체를 통과시키는 다수의 기공들을 포함한 다공질 실리콘 박막에서, 기공 입구 주위에 열변형 구조체를 설치하여 기공을 통과하는 물의 이동을 조절하는 것에 관한 것이다.
구체적으로 물과 접촉하는 면에서 친수성 물질로 코팅된 박막 표면으로부터 기공의 주위에 설치되는 열변형 구조체는 표면에서의 온도 변화에 따라 기공의 크기를 조절함으로써 모세관압 차이에 의해 기공을 통과하는 물의 이동량을 조절할 수 있다.
실리콘 박막, 열변형율
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