公开(公告)号：US20100239922A1

公开(公告)日：2010-09-23

申请号：US12638676

申请日：2009-12-15

Applicant: Chi-Seung LEE ,  Jin-Hwa LEE ,  Seong-Jin AN ,  Jun-Young PARK ,  Jun-Won SUH

Inventor： Chi-Seung LEE ,  Jin-Hwa LEE ,  Seong-Jin AN ,  Jun-Young PARK ,  Jun-Won SUH

IPC: H01M8/00 ,  H01M8/04

CPC classification number: H01M8/04126 ,  H01M8/04365 ,  H01M8/04738 ,  H01M8/04835

Abstract: A fuel cell system and a method for driving the fuel cell system are disclosed. In one aspect, the fuel cell system may include a fuel stack, a fuel supply unit, an oxidizer supply unit, a humidifying unit, and a controller configured to measure the temperature of unit cells within the fuel cell stack and configured to detect the lowest measured temperature. The fuel cell stack may include a membrane electrode assembly and a plurality of unit cells. The membrane electrode assembly may include a membrane, a cathode disposed at a first side of the membrane and an anode disposed at a second side of the membrane. In another aspect, a method of driving a fuel cell system may include sequentially supplying a humidified fuel and an oxidizer to a fuel cell stack, measuring the temperature of each of a plurality of unit cells in the fuel cell stack, detecting to detect a unit cell having the lowest temperature among the measured temperature of each of the plurality of unit cells and decreasing humidification temperature of the fuel to be lower than the lowest temperature.

Abstract translation: 公开了燃料电池系统和驱动燃料电池系统的方法。 在一个方面，燃料电池系统可以包括燃料电池堆，燃料供应单元，氧化剂供应单元，加湿单元和配置成测量燃料电池堆内单元电池的温度并被配置为检测最低 测量温度。 燃料电池堆可以包括膜电极组件和多个单元电池。 膜电极组件可以包括膜，设置在膜的第一侧的阴极和设置在膜的第二侧的阳极。 在另一方面，驱动燃料电池系统的方法可以包括将加湿燃料和氧化剂顺序地供应到燃料电池堆，测量燃料电池堆中的多个单元电池中的每一个的温度，检测以检测单元 在多个单元电池中的每一个的测量温度中具有最低温度的单元，并且将燃料的加湿温度降低到低于最低温度。

公开(公告)号：US08877394B2

公开(公告)日：2014-11-04

申请号：US12954589

申请日：2010-11-24

Applicant: Seong-Jin An ,  Chi-Seung Lee ,  Jin-Hwa Lee

Inventor： Seong-Jin An ,  Chi-Seung Lee ,  Jin-Hwa Lee

IPC: H01M8/06 ,  H01M8/04 ,  H01M8/24

CPC classification number: H01M8/04141 ,  H01M8/241 ,  H01M8/2483 ,  Y02E60/50

Abstract: 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.

Abstract translation: 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：US08691457B2

公开(公告)日：2014-04-08

申请号：US12654450

申请日：2009-12-18

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

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

IPC: H01M8/04

CPC classification number: H01M8/04552 ,  H01M8/04 ,  H01M8/04559 ,  H01M8/04953 ,  H01M2008/1095

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20100330449A1

公开(公告)日：2010-12-30

申请号：US12792021

申请日：2010-06-02

Applicant: Seong-Jin An ,  Chi-Seung Lee ,  Jun-Young Park ,  Jin-Hwa Lee ,  Jun-Won Suh

Inventor： Seong-Jin An ,  Chi-Seung Lee ,  Jun-Young Park ,  Jin-Hwa Lee ,  Jun-Won Suh

IPC: H01M8/04 ,  H01M8/24

CPC classification number: H01M8/242 ,  H01M8/0247 ,  H01M8/0258 ,  H01M8/0263 ,  H01M8/0267 ,  H01M8/0271 ,  H01M8/04014 ,  H01M8/2483 ,  H01M2008/1095

Abstract: A fuel cell system includes a fuel supply, an air supply, a plurality of unit cells being stacked, and a stack. The stack includes: a plurality of unit cells, each comprising separators and a membrane assembly (MEA) disposed between the separators; a fuel inlet configured to introduce a fuel to the unit cell; an unreacted fuel outlet configured to emit unreacted fuel from the stack; a fuel bypass path; a fuel distribution path configured to distribute the fuel to each of the unit cells; and an unreacted fuel inducing path configured to channel the unreacted fuel to the unreacted fuel outlet.

Abstract translation: 燃料电池系统包括燃料供应，空气供应，堆叠的多个单元电池和堆叠。 堆叠包括：多个单元电池，每个单元电池包括分离器和设置在分离器之间的膜组件（MEA）; 燃料入口，被配置为将燃料引入所述单元电池; 未反应的燃料出口构造成从所述堆中排出未反应的燃料; 燃料旁通路径; 燃料分配路径，被配置为将燃料分配到每个单元电池; 以及未反应的燃料引导路径，其构造成将未反应的燃料引导到未反应的燃料出口。

公开(公告)号：US20100136377A1

公开(公告)日：2010-06-03

申请号：US12541109

申请日：2009-08-13

Applicant: Jun-Young Park ,  Jin-Hwa Lee ,  Seong-Jin An ,  Chi-Seung Lee ,  Jun-Won Suh

Inventor： Jun-Young Park ,  Jin-Hwa Lee ,  Seong-Jin An ,  Chi-Seung Lee ,  Jun-Won Suh

IPC: H01M8/00 ,  H01M8/04 ,  H01M8/18

CPC classification number: H01M8/04753 ,  H01M8/04231 ,  H01M8/0488 ,  Y02E60/50

Abstract: A method of driving a fuel cell system according to embodiments of the present invention includes supplying a first amount of oxidizer (which is less than a normal amount of oxidizer) to a fuel cell stack while continuously supplying fuel to the fuel cell stack, supplying a second amount of oxidizer (which is more than the normal amount) to the fuel cell stack, and supplying a third amount of oxidizer (which is the normal amount of oxidizer supplied in a normal driving state) to the fuel cell stack.

Abstract translation: 根据本发明的实施例的驱动燃料电池系统的方法包括向燃料电池堆提供第一量的氧化剂（其小于正常量的氧化剂），同时向燃料电池堆连续供应燃料， 向燃料电池堆提供第二量的氧化剂（其大于正常量），并将第三量的氧化剂（其是在正常驱动状态下供应的正常量的氧化剂）供应到燃料电池堆。

公开(公告)号：US20080268316A1

公开(公告)日：2008-10-30

申请号：US12080987

申请日：2008-04-07

Applicant: Chan-Hee Park ,  Chi-seung Lee ,  Seong-Jin An ,  Dong-Uk Lee

Inventor： Chan-Hee Park ,  Chi-seung Lee ,  Seong-Jin An ,  Dong-Uk Lee

IPC: H01M8/10 ,  H01M2/08 ,  H01M8/00

CPC classification number: H01M8/1004 ,  H01M8/0247 ,  H01M8/0258 ,  H01M8/0263 ,  H01M8/0273 ,  H01M8/0276 ,  H01M8/241 ,  H01M8/242 ,  Y02P70/56 ,  Y10T29/4911

Abstract: A fuel cell stack and a manufacturing method thereof are disclosed. In one embodiment, the fuel cell stack includes: i) a membrane electrode assembly configured of an anode electrode, a cathode electrode, and a polymer electrolyte membrane positioned therebetween, ii) a first plate including a fuel flow channel facing the anode electrode and contacting the anode electrode and iii) a second plate including an oxidant flow channel facing the cathode electrode and contacting the cathode electrode, wherein the membrane electrode assembly, the first bipolar plate, and the second bipolar plate each includes a stack direction display parts, which are arranged in a line. At least one embodiment of the invention is capable of preventing an anode surface and a cathode surface of a part from being reversely stacked in manufacturing a stack type fuel cell.

Abstract translation: 公开了一种燃料电池堆及其制造方法。 在一个实施例中，燃料电池堆包括：i）由阳极电极，阴极电极和位于其间的聚合物电解质膜构成的膜电极组件，ii）包括面向阳极电极的燃料流动通道和接触的第一板 所述阳极电极和iii）第二板，其包括面向所述阴极的氧化剂流动通道并接触所述阴极电极，其中所述膜电极组件，所述第一双极板和所述第二双极板均包括堆叠方向显示部分， 排成一行。 本发明的至少一个实施例能够防止在制造堆叠型燃料电池时部件的阳极表面和阴极表面反向堆叠。

公开(公告)号：US09362579B2

公开(公告)日：2016-06-07

申请号：US13247338

申请日：2011-09-28

Applicant: Seong-Jin An ,  Jin-Hwa Lee ,  Chi-Seung Lee

Inventor： Seong-Jin An ,  Jin-Hwa Lee ,  Chi-Seung Lee

IPC: H01M8/04

CPC classification number: H01M8/0432 ,  H01M8/04559 ,  H01M8/04753 ,  Y02E60/50

Abstract: A fuel cell system and a method for driving a fuel cell system are disclosed. The fuel cell system includes a fuel cell stack with a plurality of unit cells, a temperature measurer configured for determining a temperature of the fuel cell stack, a cell voltage measurer configured for determining voltages of one or more of the plurality of unit cells, and a control unit configured for monitoring the unit cell voltages of the plurality of unit cells to detect a minimum unit cell voltage when a measured temperature of the fuel cell stack is below zero, and configured for controlling the load current so that the detected minimum unit cell voltage may be maintained at a predetermined threshold voltage.

Abstract translation: 公开了燃料电池系统和驱动燃料电池系统的方法。 燃料电池系统包括具有多个单电池的燃料电池堆，配置用于确定燃料电池堆的温度的温度测量器，被配置用于确定多个单电池中的一个或多个的电压的电池电压测量器，以及 控制单元，被配置为当所述燃料电池堆的测量温度低于零时，监视所述多个单元电池的单位电池电压以检测最小单位电池电压，并且被配置为用于控制所述负载电流，使得所检测到的最小单元电池 电压可以保持在预定的阈值电压。

公开(公告)号：US08785072B2

公开(公告)日：2014-07-22

申请号：US12981410

申请日：2010-12-29

Applicant: Jin-Hwa Lee ,  Chi-Seung Lee ,  Seong-Jin An ,  Sang-Il Han ,  Kah-Young Song

Inventor： Jin-Hwa Lee ,  Chi-Seung Lee ,  Seong-Jin An ,  Sang-Il Han ,  Kah-Young Song

IPC: H01M8/24

CPC classification number: H01M8/0204 ,  H01M8/04141 ,  H01M2008/1095 ,  Y02P70/56

Abstract: 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.

Abstract translation: 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：US20130004873A1

公开(公告)日：2013-01-03

申请号：US13247338

申请日：2011-09-28

Applicant: Seong-Jin AN ,  Jin-Hwa LEE ,  Chi-Seung LEE

Inventor： Seong-Jin AN ,  Jin-Hwa LEE ,  Chi-Seung LEE

IPC: H01M8/04

CPC classification number: H01M8/0432 ,  H01M8/04559 ,  H01M8/04753 ,  Y02E60/50

Abstract: A fuel cell system and a method for driving a fuel cell system are disclosed. The fuel cell system includes a fuel cell stack with a plurality of unit cells, a temperature measurer configured for determining a temperature of the fuel cell stack, a cell voltage measurer configured for determining voltages of one or more of the plurality of unit cells, and a control unit configured for monitoring the unit cell voltages of the plurality of unit cells to detect a minimum unit cell voltage when a measured temperature of the fuel cell stack is below zero, and configured for controlling the load current so that the detected minimum unit cell voltage may be maintained at a predetermined threshold voltage.

Abstract translation: 公开了燃料电池系统和驱动燃料电池系统的方法。 燃料电池系统包括具有多个单电池的燃料电池堆，配置用于确定燃料电池堆的温度的温度测量器，被配置用于确定多个单电池中的一个或多个的电压的电池电压测量器，以及 控制单元，被配置为当所述燃料电池堆的测量温度低于零时，监视所述多个单元电池的单位电池电压以检测最小单位电池电压，并且被配置为用于控制所述负载电流，使得所检测到的最小单元电池 电压可以保持在预定的阈值电压。

公开(公告)号：US20120028138A1

公开(公告)日：2012-02-02

申请号：US12975251

申请日：2010-12-21

Applicant: Chi-Seung Lee ,  Seong-Jin An ,  Jin-Hwa Lee

Inventor： Chi-Seung Lee ,  Seong-Jin An ,  Jin-Hwa Lee

IPC: H01M8/04 ,  H01M8/06

CPC classification number: H01M8/04552 ,  H01M8/04126 ,  H01M8/04753 ,  H01M8/04955 ,  H01M8/0612

Abstract: A fuel cell system includes a fuel cell stack that includes a plurality of unit cells, each including a membrane-electrode assembly including an electrolyte membrane, a cathode at one side of the electrolyte membrane, and an anode at an opposite side of the electrolyte membrane, and separators at respective sides of the membrane-electrode assembly, a fuel supply for supplying a fuel to the fuel cell stack, an oxidizing agent supply for supplying an oxidizing agent to the fuel cell stack, and a controller for controlling operation of the fuel supply and the oxidizing agent supply, for measuring a voltage of each of the unit cells, and for turning off a load coupled to the fuel cell stack after determining that the voltages of the unit cells reached a reference voltage.

Abstract translation: 燃料电池系统包括燃料电池堆，其包括多个单元电池，每个单元电池包括包括电解质膜的膜 - 电极组件，电解质膜一侧的阴极和电解质膜的相对侧的阳极 ，以及膜 - 电极组件的各侧的隔板，用于向燃料电池堆供应燃料的燃料供给，用于向燃料电池堆供应氧化剂的氧化剂供应和用于控制燃料的运行的控制器 供应和氧化剂供应，用于测量每个单元电池的电压，并且在确定单元电池的电压达到参考电压之后关闭耦合到燃料电池堆的负载。