公开(公告)号：US20080107954A1

公开(公告)日：2008-05-08

申请号：US11924542

申请日：2007-10-25

申请人： Dong-Uk Lee ,  Chi-Seung Lee ,  Chan-Hee Park

发明人： Dong-Uk Lee ,  Chi-Seung Lee ,  Chan-Hee Park

IPC分类号： H01M2/14

CPC分类号： H01M8/248

摘要： A fuel cell stack comprises: an electricity generating assembly including electricity generators based on a unit cell; a pair of pressing plates that respectively come in close contact with the outermost surfaces of the electricity generators so as to press the electricity generators; a plurality of connection rods connecting the pressing plates; a fastening member that is screwed to each of the connection rods so as to fasten the pressing plates; and a spacer that is disposed at each of the connection rods between the pressing plates so as to control a fastening pressure exerted by the fastening member.

摘要翻译： 燃料电池堆包括：发电组件，其包括基于单电池的发电机; 分别与发电机的最外表面紧密接触的一对按压板，以按压发电机; 连接所述按压板的多个连接杆; 紧固构件，其被拧紧到每个连接杆上以便紧固所述压板; 以及间隔件，其设置在所述按压板之间的每个连接杆处，以便控制由所述紧固构件施加的紧固压力。

公开(公告)号：US08945786B2

公开(公告)日：2015-02-03

申请号：US12926730

申请日：2010-12-07

申请人： Seong-Jin An ,  Chi-Seung Lee ,  Jin-Hwa Lee

发明人： Seong-Jin An ,  Chi-Seung Lee ,  Jin-Hwa Lee

IPC分类号： H01M8/04 ,  H01M8/02 ,  H01M8/10

CPC分类号： H01M8/241 ,  H01M8/0228 ,  H01M8/0258 ,  H01M8/0265 ,  H01M8/0267 ,  H01M8/2457 ,  H01M2008/1095 ,  Y02E60/50

摘要： A fuel cell stack and a fuel cell system, the fuel cell stack including a plurality of membrane electrode assemblies, the membrane electrode assemblies being configured to generate electrical energy by an electrochemical reaction of a fuel and an oxidizer; and a plurality of bipolar plates positioned adjacent to the membrane electrode assemblies and between the membrane electrode assemblies, the bipolar plates including a fuel channel at one side thereof and an oxidizer channel at a second, opposite side thereof, wherein the bipolar plates include a plurality of cooling channels penetrating therethrough, the cooling channels having a curvature along a length thereof.

摘要翻译： 燃料电池堆和燃料电池系统，所述燃料电池堆包括多个膜电极组件，所述膜电极组件被配置为通过燃料和氧化剂的电化学反应产生电能; 以及与所述膜电极组件相邻并且在所述膜电极组件之间定位的多个双极板，所述双极板在其一侧包括燃料通道和在其第二相对侧的氧化剂通道，其中所述双极板包括多个 的冷却通道穿过其中，冷却通道沿着其长度具有曲率。

公开(公告)号：US20110305968A1

公开(公告)日：2011-12-15

申请号：US12981410

申请日：2010-12-29

申请人： Jin-Hwa LEE ,  Chi-Seung Lee ,  Seong-Jin An ,  Sang-II Han ,  Kah-Young Song

发明人： Jin-Hwa LEE ,  Chi-Seung Lee ,  Seong-Jin An ,  Sang-II Han ,  Kah-Young Song

IPC分类号： H01M8/24

CPC分类号： H01M8/0204 ,  H01M8/04141 ,  H01M2008/1095 ,  Y02P70/56

摘要： A fuel cell stack includes: a plurality of membrane-electrode assemblies; first and second end plates respectively positioned outside outermost ones of the membrane-electrode assemblies; and a plurality of separators respectively positioned between the membrane-electrode assemblies and between the outermost ones of the membrane-electrode assemblies and the first and second end plates. The first end plate includes an oxidizing agent inlet, an oxidizing agent outlet, and a moisture supplying flow path connecting the oxidizing agent inlet and the oxidizing agent outlet. The moisture supplying flow path includes a first end portion adjacent to the oxidizing agent outlet and a second end portion adjacent to the oxidizing agent inlet, the first end portion being larger than the second end portion and being a different distance away from a surface of the first end plate facing away from the second end plate than the second end portion.

摘要翻译： 燃料电池堆包括：多个膜 - 电极组件; 分别位于最外面的膜 - 电极组件外的第一和第二端板; 以及分别位于膜 - 电极组件和最外层膜电极组件以及第一和第二端板之间的多个分离器。 第一端板包括氧化剂入口，氧化剂出口和连接氧化剂入口和氧化剂出口的供水流路。 供水流路包括与氧化剂出口相邻的第一端部和与氧化剂入口相邻的第二端部，第一端部部分大于第二端部部分，并且距离氧化剂出口的表面不同的距离 第一端板远离第二端板而不是第二端部。

公开(公告)号：US20110244342A1

公开(公告)日：2011-10-06

申请号：US12954589

申请日：2010-11-24

申请人： Seong-Jin An ,  Chi-Seung Lee ,  Jin-Hwa Lee

发明人： Seong-Jin An ,  Chi-Seung Lee ,  Jin-Hwa Lee

IPC分类号： H01M8/06

CPC分类号： H01M8/04141 ,  H01M8/241 ,  H01M8/2483 ,  Y02E60/50

摘要： The fuel cell system includes a fuel cell stack, a fuel supply supplying a fuel to the fuel cell stack, and an oxidizing agent supply supplying an oxidizing agent to the fuel cell stack. The fuel cell stack includes a first end plate, a moisture exchanger, an electrical generator, and a second end plate. The moisture exchanger includes a first area where a dried supply oxidizing agent flows, a second area where a humid emission fuel flows, and a third area where a humid emission oxidizing agent flows, and the first area exchanges moisture with the second and third areas using a moisture exchange layer.

摘要翻译： 燃料电池系统包括燃料电池堆，向燃料电池堆供应燃料的燃料供应和向燃料电池堆供应氧化剂的氧化剂供应。 燃料电池堆包括第一端板，湿气交换器，发电机和第二端板。 水分交换器包括干燥供应氧化剂流动的第一区域，潮湿排放燃料流动的第二区域和湿排放氧化剂流动的第三区域，并且第一区域与第二和第三区域交换水分，使用 水分交换层。

公开(公告)号：US20100159296A1

公开(公告)日：2010-06-24

申请号：US12654450

申请日：2009-12-18

申请人： Jun-Young Park ,  Jun-Won Suh ,  Chi-Seung Lee ,  Seong-Jin An ,  Jin-Hwa Lee ,  Hyun Kim

发明人： Jun-Young Park ,  Jun-Won Suh ,  Chi-Seung Lee ,  Seong-Jin An ,  Jin-Hwa Lee ,  Hyun Kim

IPC分类号： H01M8/00 ,  H01M8/04

CPC分类号： H01M8/04552 ,  H01M8/04 ,  H01M8/04559 ,  H01M8/04953 ,  H01M2008/1095

摘要： Disclosed are a fuel cell system, and a method of driving the system. The fuel cell system includes a fuel cell stack having a plurality of unit cells producing electricity, a switching unit connecting the plurality of unit cells to a discharge resistor, a switching controller synchronously operated when the voltage of the fuel cell stack reaches an open circuit voltage after power generation of the fuel cell stack is stopped. The switching controller generates select control signals to control the switching unit. The fuel cell system further includes a sensing unit measuring respective cell voltages of the plurality of unit cells and generating cell voltage sensing signals to control activation periods of the select control signals.

摘要翻译： 公开了一种燃料电池系统和驱动该系统的方法。 燃料电池系统包括具有产生电力的多个单元电池的燃料电池堆，将多个单元电池连接到放电电阻器的开关单元，当燃料电池堆的电压达到开路电压时同步操作的开关控制器 在燃料电池堆的发电停止之后。 开关控制器产生选择控制信号以控制开关单元。 燃料电池系统还包括感测单元，其测量多个单元电池的各个电池电压并产生单元电压感测信号以控制选择控制信号的激活周期。