公开(公告)号：US20090142646A1

公开(公告)日：2009-06-04

申请号：US12193188

申请日：2008-08-18

申请人： Sang-kyun KANG ,  Young-Seung Na ,  Kyoung-hwan Ohoi

发明人： Sang-kyun KANG ,  Young-Seung Na ,  Kyoung-hwan Ohoi

IPC分类号： H01M2/00

CPC分类号： H01M8/1011 ,  H01M8/023 ,  H01M8/0258 ,  H01M8/0265 ,  H01M8/242 ,  Y02E60/523

摘要： A direct methanol fuel cell (DMFC) that includes: an anode, a cathode, and a membrane disposed therebetween; a bipolar plate having a flow channel to supply a fluid to the anode; and a flow restrictor installed in the flow channel, to restrict the flow of the fluid.

摘要翻译： 一种直接甲醇燃料电池（DMFC），其包括：阳极，阴极和设置在其间的膜; 具有用于向阳极供应流体的流动通道的双极板; 以及安装在流路中的限流器，以限制流体的流动。

公开(公告)号：US08232021B2

公开(公告)日：2012-07-31

申请号：US12054242

申请日：2008-03-24

申请人： Jun-Won Suh ,  Young-Seung Na ,  Keun-Yong Lee ,  Sung-Won Jeong ,  Chan-Gyun Shin ,  Kyoung-Hwan Choi ,  Sang-Kyun Kang

发明人： Jun-Won Suh ,  Young-Seung Na ,  Keun-Yong Lee ,  Sung-Won Jeong ,  Chan-Gyun Shin ,  Kyoung-Hwan Choi ,  Sang-Kyun Kang

IPC分类号： H01M2/08 ,  H01M8/02

CPC分类号： H01M8/028 ,  H01M8/0258 ,  H01M8/0273 ,  H01M2008/1095

摘要： A fuel cell stack including an electricity generating unit for generating electrical energy by electrochemically reacting a fuel and an oxidizing agent, the electricity generating unit including: a first separator; a second separator; a membrane electrode assembly (MEA) between the first separator and the second separator, each of the first and second separators including a channel on a surface facing the MEA and a manifold in the surface facing the MEA, the manifold communicating with the channel; and a gasket, positioned at an outer circumference portion of an area where the MEA is positioned, for sealing a space between the first and second separators and for covering an open area of a channel extension area of at least one of the first and second separators where the manifold communicates with the channel.

摘要翻译： 一种燃料电池堆，包括用于通过使燃料和氧化剂电化学反应产生电能的发电单元，所述发电单元包括：第一分离器; 第二分离器 在所述第一分离器和所述第二分离器之间的膜电极组件（MEA），所述第一和第二分离器中的每一个包括在面向所述MEA的表面上的通道和面向所述MEA的表面中的歧管，所述歧管与所述通道连通; 以及位于所述MEA所在区域的外周部分处的密封件，用于密封所述第一和第二隔板之间的空间，并且用于覆盖所述第一和第二隔板中的至少一个的通道延伸区域的开放区域 歧管与通道连通。

公开(公告)号：US20090311562A1

公开(公告)日：2009-12-17

申请号：US12341139

申请日：2008-12-22

申请人： Jun-Ho Sauk ,  Young-Seung Na ,  Kyoung-Hwan Choi ,  Sang-Kyun Kang ,  Ji-Rae Kim

发明人： Jun-Ho Sauk ,  Young-Seung Na ,  Kyoung-Hwan Choi ,  Sang-Kyun Kang ,  Ji-Rae Kim

IPC分类号： H01M8/04 ,  H01M8/02

CPC分类号： H01M8/04776 ,  H01M8/04186 ,  H01M8/04201 ,  H01M8/04544

摘要： An activation method and system to selectively activate defective cells in a laminated fuel cell stack. The system includes a tank to store a polar solvent used to activate the cells; a body including a transfer unit to transfer the polar solvent to the fuel cell stack and a control unit to control the transfer unit; and a nozzle coupled to the body, to be inserted into an inlet manifold of the fuel cell stack. The nozzle has an opening positioned opposite to a channel inlet of at least one non-activated cell of the plurality of cells, to jet the polar solvent into only a channel of the non-activated cell, through the opening.

摘要翻译： 用于选择性地激活层叠燃料电池堆中的缺陷电池的激活方法和系统。 该系统包括储存用于活化细胞的极性溶剂的罐; 包括将极性溶剂转移到燃料电池堆的转印单元的主体和控制转印单元的控制单元; 以及联接到主体的喷嘴，以将其插入到燃料电池堆的入口歧管中。 喷嘴具有与多个电池中的至少一个非活化电池的通道入口相对的开口，以通过开口将极性溶剂喷射到非活化电池的通道中。

公开(公告)号：US20080299443A1

公开(公告)日：2008-12-04

申请号：US12054242

申请日：2008-03-24

申请人： Jun-Won Suh ,  Young-Seung Na ,  Keun-Yong Lee ,  Sung-Won Jeong ,  Chan-Gyun Shin ,  Kyoung-Hwan Choi ,  Sang-Kyun Kang

发明人： Jun-Won Suh ,  Young-Seung Na ,  Keun-Yong Lee ,  Sung-Won Jeong ,  Chan-Gyun Shin ,  Kyoung-Hwan Choi ,  Sang-Kyun Kang

IPC分类号： H01M8/02

CPC分类号： H01M8/028 ,  H01M8/0258 ,  H01M8/0273 ,  H01M2008/1095

摘要： A fuel cell stack including an electricity generating unit for generating electrical energy by electrochemically reacting a fuel and an oxidizing agent, the electricity generating unit including: a first separator; a second separator; a membrane electrode assembly (MEA) between the first separator and the second separator, each of the first and second separators including a channel on a surface facing the MEA and a manifold in the surface facing the MEA, the manifold communicating with the channel; and a gasket, positioned at an outer circumference portion of an area where the MEA is positioned, for sealing a space between the first and second separators and for covering an open area of a channel extension area of at least one of the first and second separators where the manifold communicates with the channel.

摘要翻译： 一种燃料电池堆，包括用于通过使燃料和氧化剂电化学反应产生电能的发电单元，所述发电单元包括：第一分离器; 第二分离器 在所述第一分离器和所述第二分离器之间的膜电极组件（MEA），所述第一和第二分离器中的每一个包括在面向所述MEA的表面上的通道和面向所述MEA的表面中的歧管，所述歧管与所述通道连通; 以及位于所述MEA所在区域的外周部分处的密封件，用于密封所述第一和第二隔板之间的空间，并且用于覆盖所述第一和第二隔板中的至少一个的通道延伸区域的开放区域 歧管与通道连通。

公开(公告)号：US07776483B2

公开(公告)日：2010-08-17

申请号：US12341139

申请日：2008-12-22

申请人： Jun-Ho Sauk ,  Young-Seung Na ,  Kyoung-Hwan Choi ,  Sang-Kyun Kang ,  Ji-Rae Kim

发明人： Jun-Ho Sauk ,  Young-Seung Na ,  Kyoung-Hwan Choi ,  Sang-Kyun Kang ,  Ji-Rae Kim

IPC分类号： H01M8/02 ,  H01M8/04

CPC分类号： H01M8/04776 ,  H01M8/04186 ,  H01M8/04201 ,  H01M8/04544

摘要： An activation method and system to selectively activate defective cells in a laminated fuel cell stack. The system includes a tank to store a polar solvent used to activate the cells; a body including a transfer unit to transfer the polar solvent to the fuel cell stack and a control unit to control the transfer unit; and a nozzle coupled to the body, to be inserted into an inlet manifold of the fuel cell stack. The nozzle has an opening positioned opposite to a channel inlet of at least one non-activated cell of the plurality of cells, to jet the polar solvent into only a channel of the non-activated cell, through the opening.

摘要翻译： 用于选择性地激活层叠燃料电池堆中的缺陷电池的激活方法和系统。 该系统包括储存用于活化细胞的极性溶剂的罐; 包括将极性溶剂转移到燃料电池堆的转印单元的主体和控制转印单元的控制单元; 以及联接到主体的喷嘴，以将其插入到燃料电池堆的入口歧管中。 喷嘴具有与多个电池中的至少一个非活化电池的通道入口相对的开口，以通过开口将极性溶剂喷射到非活化电池的通道中。

公开(公告)号：US08318371B2

公开(公告)日：2012-11-27

申请号：US12465878

申请日：2009-05-14

申请人： Young-Seung Na ,  Jun-Ho Sauk

发明人： Young-Seung Na ,  Jun-Ho Sauk

IPC分类号： H01M8/10

CPC分类号： H01M8/0263 ,  H01M8/1011 ,  H01M2008/1095 ,  Y02E60/523

摘要： A fuel cell separator capable of improving stack performance by reducing the deviation in cell performance and diminishing dead space, and a fuel cell stack using the same are disclosed. The fuel cell separator may include a base member, a first channel group disposed on a surface of the base member and a second channel group disposed on the surface of the base member. The first channel group may include at least one channel and the second channel group may include at least one channel. The first channel group and the second channel group may extend parallel to each other in a first region of the surface and independent from each other in a second region of the surface.

摘要翻译： 公开了能够通过减少电池性能的偏差和减少死区来提高电池堆叠性能的燃料电池隔板，以及使用该燃料电池隔板的燃料电池堆。 燃料电池分离器可以包括基底构件，设置在基底构件的表面上的第一通道组和设置在基底构件的表面上的第二通道组。 第一信道组可以包括至少一个信道，第二信道组可以包括至少一个信道。 第一通道组和第二通道组可以在表面的第一区域中彼此平行延伸并且在表面的第二区域中彼此独立地延伸。

公开(公告)号：US20100239936A1

公开(公告)日：2010-09-23

申请号：US12711122

申请日：2010-02-23

申请人： Jung-Kurn Park ,  Seong-Kee Yoon ,  Young-Seung Na

发明人： Jung-Kurn Park ,  Seong-Kee Yoon ,  Young-Seung Na

IPC分类号： H01M8/04

CPC分类号： H01M8/04186 ,  H01M8/04082 ,  H01M8/04089 ,  H01M8/04201 ,  H01M8/04746 ,  H01M8/1011 ,  H01M2008/1095 ,  Y02E60/523 ,  Y02P70/56

摘要： A fuel cell system, which can supply a stable flow rate of fuel to a fuel cell stack is disclosed. The fuel cell system may include a fuel cell stack for generating electricity by an electrochemical reaction of a fuel and an oxidizing agent, a fuel supply unit for supplying a fuel to the fuel cell stack, an oxidizing agent supply unit for supplying an oxidizing agent to the fuel cell stack, and a flow rate controller installed between the fuel cell stack and the fuel supply unit. The fuel cell system may include a feed pump for pressurizing the fuel, a first resistor connected to the front end of the feed pump to reduce flow rate and a second resistor connected to the rear end of the feed pump to reduce flow rate. A method of operating a fuel cell system is also disclosed. The method may include supplying fuel to a fuel cell stack from a fuel supply unit, reducing a flow rate by a first resistor, activating a feed pump, reducing a flow rate by a second resistor, and stopping the feed pump.

摘要翻译： 公开了能够向燃料电池堆提供稳定的燃料流量的燃料电池系统。 燃料电池系统可以包括用于通过燃料和氧化剂的电化学反应发电的燃料电池堆，用于向燃料电池堆供应燃料的燃料供应单元，用于向氧化剂供应氧化剂的氧化剂供应单元 燃料电池堆和安装在燃料电池堆和燃料供应单元之间的流量控制器。 燃料电池系统可以包括用于对燃料加压的进料泵，连接到进料泵的前端以降低流速的第一电阻器和连接到进料泵的后端以降低流速的第二电阻器。 还公开了一种操作燃料电池系统的方法。 该方法可以包括从燃料供应单元向燃料电池堆提供燃料，通过第一电阻器降低流量，启动进料泵，通过第二电阻器减少流量并停止进料泵。

公开(公告)号：US07842411B2

公开(公告)日：2010-11-30

申请号：US12213693

申请日：2008-06-23

申请人： Young-Seung Na ,  Jun-Won Suh ,  Kyoung-Hwan Choi

发明人： Young-Seung Na ,  Jun-Won Suh ,  Kyoung-Hwan Choi

IPC分类号： H01M2/14 ,  H01M2/18 ,  H01M8/00

CPC分类号： H01M8/0265

摘要： Disclosed is a separator for a fuel cell stack. The separator includes a plate having a first opening and a second opening on a surface thereof. A field or a channel is formed on the surface of the plate. The field has a first end and a second end. A field inlet is formed on the surface of the plate and connects the first end of the field to the first opening, and a field outlet is formed on the surface of the plate and connects the second end of the field to the second opening. An area of a cross-section of the field inlet, which is cut perpendicular to the surface of the plate, is smaller than an area of a cross-section of the field outlet, which is cut perpendicular to the surface of the plate.

摘要翻译： 公开了一种用于燃料电池堆的隔板。 分离器包括在其表面上具有第一开口和第二开口的板。 在板的表面上形成场或通道。 该领域具有第一端和第二端。 场板入口形成在板的表面上，并将场的第一端连接到第一开口，并且在板的表面上形成场出口，并将场的第二端连接到第二开口。 垂直于板的表面切割的入口的横截面的面积小于垂直于板的表面切割的场出口的横截面的面积。

公开(公告)号：US20090092873A1

公开(公告)日：2009-04-09

申请号：US12219217

申请日：2008-07-17

申请人： Sung-Won Jeong ,  Keun-Yong Lee ,  Young-Seung Na

发明人： Sung-Won Jeong ,  Keun-Yong Lee ,  Young-Seung Na

IPC分类号： H01M8/10 ,  H01M8/02

CPC分类号： H01M8/248 ,  H01M8/241 ,  H01M8/242 ,  H01M8/2483 ,  Y02P70/56

摘要： There are provided a coupling structure of a fuel cell stack capable of precisely and rapidly assembling a stack by a predetermined height. The fuel cell stack includes a membrane electrode assembly for generating electricity, separators disposed on both sides of the membrane electrode assembly, first and second end plates disposed on both sides an accumulated body of the membrane electrode assembly and the separators, and a coupling device penetrating the first end plate, the membrane electrode assembly, and the separators, and fastened into a fixing hole of the second end plate. The coupling device includes a head, a body, a thread, and a step formed at an interface between the body and the thread such that a cross-sectional area of the body is greater than a cross-sectional area of the thread, and stops the fixing when the step contacts the second end plate.

摘要翻译： 提供了能够精确且快速地将堆叠组装预定高度的燃料电池堆的联接结构。 燃料电池堆包括用于发电的膜电极组件，设置在膜电极组件两侧的隔板，设置在两侧的第一和第二端板，膜电极组件和隔板的聚集体，以及穿透 第一端板，膜电极组件和隔板，并且固定到第二端板的固定孔中。 联接装置包括头部，主体，螺纹和形成在主体和螺纹之间的界面处的台阶，使得主体的横截面面积大于螺纹的横截面面积，并且停止 当台阶接触第二端板时的固定。

公开(公告)号：US20110244351A1

公开(公告)日：2011-10-06

申请号：US13037217

申请日：2011-02-28

申请人： Jung-Kurn Park ,  Young-Seung Na ,  Hye-Jung Cho ,  Lei Hu

发明人： Jung-Kurn Park ,  Young-Seung Na ,  Hye-Jung Cho ,  Lei Hu

IPC分类号： H01M8/04

CPC分类号： H01M8/04589 ,  H01M8/0432 ,  H01M8/04626 ,  H01M8/04753 ,  H01M8/1011 ,  Y02E60/523

摘要： A method of operating a fuel cell includes: generating an electrical power in a fuel cell stack while no fuel is being supplied from a fuel tank; reducing an output voltage of the electrical power toward a target voltage to increase an output current of the electrical power; measuring a rate of increase of the output current; starting supply of fuel to the fuel cell stack when the rate of increase of the output current is below a threshold rate; and controlling a fuel concentration in the fuel cell stack to maintain the output current at a target current level.

摘要翻译： 操作燃料电池的方法包括：在不从燃料箱供给燃料的同时，在燃料电池堆中产生电力; 将电力的输出电压降低到目标电压以增加电力的输出电流; 测量输出电流的增加率; 当输出电流的增加速率低于阈值速率时，向燃料电池堆开始供应燃料; 以及控制燃料电池堆中的燃料浓度以将输出电流维持在目标电流水平。