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公开(公告)号：KR1020100009079A
公开(公告)日：2010-01-27
申请号：KR1020080069773
申请日：2008-07-17
Applicant: 현대자동차주식회사
CPC classification number: H01M8/021 , H01M8/0213 , H01M8/0228 , H01M2008/1095 , H01M2250/20 , Y02T90/32
Abstract: PURPOSE: A metal bipolar plate for a fuel cell is provided to ensure excellent water drain function and heat sink capability while having excellent electric conductivity and corrosion resistance by forming a carbon coating layer on the surface of a stainless steel base material. CONSTITUTION: A metal bipolar plate for a fuel cell comprises a stainless steel base material(11) for a metal bipolar plate for a fuel cell, and a carbon coating layer(12) containing 25~35 at.% fluorine formed on the surface of the stainless steel base material. The thickness of the carbon coating layer is of 0.5~2 micron and the hardness thereof is 16~19 GPa.
Abstract translation: 目的：提供一种用于燃料电池的金属双极板，通过在不锈钢基材的表面上形成碳涂层，确保优异的排水功能和散热能力，同时具有优异的导电性和耐腐蚀性。 构成：用于燃料电池的金属双极板包括用于燃料电池的金属双极板的不锈钢基材（11）和包含25〜35原子％氟的碳涂层（12），其形成在 不锈钢基材。 碳涂层的厚度为0.5〜2微米，硬度为16〜19GPa。
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公开(公告)号：KR1020090130453A
公开(公告)日：2009-12-24
申请号：KR1020080056107
申请日：2008-06-16
Applicant: 현대자동차주식회사 , 한양대학교 산학협력단
CPC classification number: H01M8/0217 , H01M8/0228 , H01M8/0267 , H01M8/04253 , H01M8/04268 , Y02P70/56
Abstract: PURPOSE: A fuel cell bipolar plate is provided to secure enough calorific value necessary in a cold temperature performance of a fuel cell stack for vehicles, to reduce cold starting time of a fuel cell vehicle, and to improve acid resistance of a fuel cell system. CONSTITUTION: A method for preparing a fuel cell bipolar plate comprises the steps of: manufacturing a NTC composite transition metal oxide(80) which is a variable resistance heating element with a negative temperature property reducing electrical resistance in a wide temperature range; manufacturing a CTR composite transition metal oxide which is a variable resistance heating element with a negative temperature property reducing electrical resistance by the change of crystal structure at a specific temperature or more; filming the surface of a bipolar plates(10a,10b) with the NTC composite transition metal oxide or the CTR composite transition metal oxide; heat-treating the separator treated with a film; and measuring the change of electrical resistance according to various temperature change.
Abstract translation: 目的：提供燃料电池双极板，以确保车辆燃料电池堆的冷温性能所需的足够的热值，以减少燃料电池车辆的冷起动时间，并提高燃料电池系统的耐酸性。 构成：制备燃料电池双极板的方法包括以下步骤：制备作为可变电阻加热元件的NTC复合过渡金属氧化物（80），其具有在宽温度范围内降低电阻的负温度特性; 制造CTR复合过渡金属氧化物，其是具有负温度特性的可变电阻加热元件，通过特定温度以上的晶体结构的变化降低电阻; 用NTC复合过渡金属氧化物或CTR复合过渡金属氧化物成膜双极板（10a，10b）的表面; 对用膜处理的隔膜进行热处理; 并根据各种温度变化测量电阻的变化。
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公开(公告)号：KR1020090006973A
公开(公告)日：2009-01-16
申请号：KR1020070070488
申请日：2007-07-13
CPC classification number: H01M8/0273 , H01M8/0284 , Y02E60/50
Abstract: A metal separator gasket for a fuel cell is provided to enhance the molding accuracy of a gasket, to prevent the short circuit of the cells of a metal separation plate stack and to realize the insulation with a stack case. A metal separator gasket for a fuel cell has a structure of adhering a rubber gasket(10) applied to the metal separation plate stack to maintain the sealing, while surrounding the outside border reaction surface / cooling surface of a metal separation plate(11), wherein the exposed part(13) of each surface is repetitively shown up without surrounding the reaction surface / cooling surface along the border.
Abstract translation: 提供了一种用于燃料电池的金属分离器垫片，以提高垫圈的成型精度，以防止金属隔板堆叠单元的短路并且实现与堆叠壳体的绝缘。 用于燃料电池的金属分离器垫圈具有粘附施加到金属分离板叠层上的橡胶垫圈（10）以保持密封同时围绕金属分离板（11）的外边界反应表面/冷却表面的结构， 其中每个表面的暴露部分（13）重复显示，而不围绕边界的反应表面/冷却表面。
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公开(公告)号：KR100846932B1
公开(公告)日：2008-07-17
申请号：KR1020060091782
申请日：2006-09-21
Applicant: 현대자동차주식회사
IPC: H01M2/14
CPC classification number: B29C39/025 , H01M8/0213 , H01M8/0221 , H01M8/0226 , H01M2008/1095 , H01M2250/20 , Y02P70/56 , Y02T90/32
Abstract: 본 발명은 예비 성형체를 이용해 제작된 연료전지용 분리판 및 예비 성형체를 이용한 연료전지용 분리판의 2단계 제조 방법에 관한 것으로, 단위전지의 양단에 결합되어 상기 단위전지를 지지하는 연료전지용 분리판의 제조 방법에 있어서, 상기 분리판은, 완성될 상기 분리판의 형상과 유사한 미완성의 예비 성형체를 만드는 예비 성형 단계; 및 상기 예비 성형체를 성형하여 상기 분리판을 제작하는 주 성형 단계를 거쳐 제조되는 것을 특징으로 한다. 이에 팽창 흑연과 판상 흑연 및 페놀 수지 또는 팽창 흑연과 탄소 섬유 및 페놀 수지를 이상적으로 혼합한 복합 소재를 이용하여 예비 성형 및 주 성형의 2단계로 분리판을 제조함으로써 주 성형 시간이 단축되어 대량 생산에 유리한 연료전지용 분리판을 제조할 수 있는 장점이 있다.
연료전지, 분리판, 팽창 흑연, 보강재, 예비 성형체, 예비 성형, 주 성형-
公开(公告)号：KR1020080026780A
公开(公告)日：2008-03-26
申请号：KR1020060091782
申请日：2006-09-21
Applicant: 현대자동차주식회사
IPC: H01M2/14
CPC classification number: B29C39/025 , H01M8/0213 , H01M8/0221 , H01M8/0226 , H01M2008/1095 , H01M2250/20 , Y02P70/56 , Y02T90/32
Abstract: A two-step process for producing a bipolar plate for a fuel cell using a preform is provided to reduce the time during which a high-pressure press is used, and to reduce the weight of the resultant bipolar plate, while maintaining the quality. A two-step process for producing a bipolar plate coupled to both ends of unit cells for supporting the unit cells, comprises the steps of: (A) a forming a non-finished preform(17) having a shape similar to the shape of a bipolar plate to be finished; and (B) molding the preform to provide the bipolar plate. In step (A), a first side mold(21) is mounted to both sides of a first lower mold; a mixture of expanded graphite, plate-like graphite and a phenolic resin, or a mixture of expanded graphite, carbon fibers and a phenolic resin is filled into the inner part of the first lower mold and the first side mold; a spreader is reciprocated to uniformly disperse the mixture to the same level as the height of the first side mold; an additional mold is installed at the top of the first side mold to control the filling level of the mixture; and a first upper mold is installed at the top of the mixture to provide the preform.
Abstract translation: 提供使用预成型体制造用于燃料电池的双极板的两步法，以减少使用高压压机的时间，并且在保持质量的同时减小所得双极板的重量。 用于制造耦合到用于支撑单元电池的单元电池的两端的双极板的两步工艺包括以下步骤：（A）形成具有类似于形状的形状的未完成的预制件（17） 双极板要完成; 和（B）模制预成型件以提供双极板。 在步骤（A）中，第一侧模具（21）安装在第一下模具的两侧; 膨胀石墨，板状石墨和酚醛树脂的混合物，或膨胀石墨，碳纤维和酚醛树脂的混合物填充到第一下模具和第一侧模具的内部; 往复运动的撒布机将混合物均匀地分散到与第一侧模的高度相同的高度; 在第一侧模具的顶部安装另外的模具以控制混合物的填充水平; 并且第一上模安装在混合物的顶部以提供预制件。
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Patent Agency Ranking
公开(公告)号：KR101846633B1
公开(公告)日：2018-04-09
申请号：KR1020150176846
申请日：2015-12-11
Applicant: 현대자동차주식회사
Abstract: 가스켓제작공정상에동반되는버(burr) 발생을억제할수 있는가스켓구조를갖는연료전지스택이개시된다. 상기연료전지스택은, 가스켓; 및상기가스켓이배치된양면을가지며, 상기가스켓이배치된영역의주변에상기양면중 일면에서타면방향으로돌출되어상기일면에형성된오목부와상기타면에형성된돌출부를각각갖는복수의요철부가형성된금속분리판을포함한다.
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公开(公告)号：KR101836648B1
公开(公告)日：2018-03-09
申请号：KR1020160071409
申请日：2016-06-09
Applicant: 현대자동차주식회사
IPC: H01M8/0258 , H01M8/0265 , H01M8/1018
CPC classification number: H01M8/0258 , H01M4/94 , H01M8/0247 , H01M8/0256 , H01M8/1004 , H01M2250/10 , H01M2250/20 , H01M2250/30 , Y02B90/14 , Y02B90/18 , Y02E60/521 , Y02T90/32
Abstract: 복수개의유로들; 및상기유로들의일측벽과타측벽에반응가스가막전극접합체(MEA: Membrane Electrode Assembly)를포함하는연료전지반응면으로유출입할수 있도록형성된입구홀과출구홀;을포함하며, 상기입구홀의크기는상기출구홀의크기보다큰 것을특징으로하는연료전지분리판이소개된다.
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公开(公告)号：KR101755920B1
公开(公告)日：2017-07-07
申请号：KR1020150173841
申请日：2015-12-08
Applicant: 현대자동차주식회사
CPC classification number: H01M8/0245 , B05D1/18 , B05D1/265 , H01M8/0234 , H01M8/0239 , Y02P70/56
Abstract: 본발명은기체확산층을구성하는거대기공층및 미세기공층의기공크기가감소되는것을방지함과함께발수성능을향상시킬수 있도록한 연료전지용기체확산층과, 이를제조하기위한장치및 방법에관한것이다. 즉, 본발명은기체확산층을구성하는거대기공층및 미세기공층에발수제를코팅할때, 섬유형발수제로코팅하거나, 또는일정한패턴형태을갖는발수제로코팅함으로써, 거대기공층및 미세기공층의기공크기가감소되는것을방지할수 있고, 발수성능을향상시킬수 있도록한 연료전지용기체확산층과, 이를제조하기위한장치및 방법을제공하고자한 것이다.
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公开(公告)号：KR101755465B1
公开(公告)日：2017-07-07
申请号：KR1020150160340
申请日：2015-11-16
Applicant: 현대자동차주식회사 , 우니베르지테트 추 쾰른
IPC: H01M8/02
CPC classification number: H01M8/0228 , C23C16/32 , C23C16/50 , H01M8/0215 , H01M2250/20 , Y02T90/32
Abstract: 본발명의일 실시예에의한연료전지용분리판의코팅탄화금속프리커서를기화시켜프리커서가스를제조하는단계, 프리커서가스를포함하는탄화금속코팅층형성가스를반응챔버내로도입시키는단계; 및반응챔버에전압을가하여프리커서가스를플라즈마상태로변화시켜모재의편면또는양면에탄화금속코팅층을형성하는단계를포함한다. 이때, 탄화금속프리커서는치환또는비치환된시클로펜타디에닐기를갖는화합물을포함할수 있다.
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公开(公告)号：KR101745065B1
公开(公告)日：2017-06-08
申请号：KR1020140183249
申请日：2014-12-18
Applicant: 현대자동차주식회사
CPC classification number: H01M8/026 , H01M8/0254
Abstract: 본발명은연료전지용다공체유로구조에관한것으로, 웨이브파형단면을이루도록 GDL과접하는다수개의랜드부와수밀을유지하도록하는평판과접하는다수개의채널부가반복형성되고, 반응기체가통과하는유로홀이규칙적으로형성된유로판을포함하는연료전지용다공체유로구조에있어서, 유로홀은랜드부또는채널부중 적어도어느하나의일부분을포함하도록천공됨으로써, 유로홀을통과한반응기체가상하방향난류와좌우방향난류를동시에형성하게되므로, GDL을향한반응기체의유동발달이향상되는효과가있는연료전지용다공체유로구조를제공한다.
Abstract translation: 本发明涉及一种燃料电池的多孔流路结构，并且所述波波形实现与板接触的横截面，用于保持多个接地部，并与GDL加入水紧密接触的反复形成的多个通道，所述通道孔用于穿过常规的反应气体 在流场板的燃料电池的多孔流路结构，其包括形成通路孔接合区或信道bujung至少一个是穿孔的，以包括一部分，已经穿过通孔的垂直紊流和水平方向上的湍流通过所述反应气体 由于在同一时间，以形成，并且提供一种用于燃料电池的多孔结构的流路与提高反应气体的朝向GDL展开流的效果。
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