公开(公告)号：US20160141863A1

公开(公告)日：2016-05-19

申请号：US14838730

申请日：2015-08-28

Applicant: Hyundai Motor Company

Inventor： JuHan Kim ,  Young Bum Kum ,  Yong Sun Park ,  Soon Il Jeon ,  Nam Woo Lee ,  Sae Hoon Kim

IPC: H02H3/16 ,  H01M8/04 ,  H02H7/18

CPC classification number: H02H3/16 ,  H01M8/04686 ,  H01M8/04753 ,  H01M10/425 ,  H01M16/006 ,  H01M2250/20 ,  H02H11/005 ,  Y02T90/32

Abstract: A safety apparatus uses a fuel cell and a high voltage battery as a power source, and includes: a first voltage sensor that measures a voltage of a positive side of a voltage bus; a second voltage sensor that measures a voltage of a negative side of the voltage bus; and a controller that determines an electrical insulation between the positive side of the voltage bus and the electrical chassis based on the voltage of the positive side of the voltage bus and determines an electrical insulation between the negative side of the voltage bus and the electrical chassis based on the voltage of the negative side of the voltage bus.

Abstract translation: 安全装置使用燃料电池和高电压电池作为电源，包括：测量电压母线的正极侧的电压的第一电压传感器; 第二电压传感器，其测量所述电压总线的负侧的电压; 以及控制器，其基于所述电压总线的正极侧的电压来确定所述电压总线的正极侧与所述电气机箱之间的电绝缘，并且确定所述电压总线的负极侧和所述电气机架之间的电绝缘 对电压母线负极的电压。

公开(公告)号：US20130295481A1

公开(公告)日：2013-11-07

申请号：US13675192

申请日：2012-11-13

Applicant: HYUNDAI MOTOR COMPANY

Inventor： Duck Whan Kim ,  Young Bum Kum ,  Sae Hoon Kim ,  Jung Han Yu

IPC: H01M8/04

CPC classification number: H01M8/04007 ,  H01M8/04067 ,  H01M8/2485 ,  H01M2008/1095 ,  H01M2250/20 ,  Y02E60/50 ,  Y02P70/56 ,  Y02T90/32

Abstract: Disclosed is a manifold block for a fuel cell, which provides excellent electrical insulation for a coolant flow channel in an internal flow channel. More specifically, a manifold block for a fuel cell stack, includes a coolant interface formed of a polymer insulating material and coolant flow channels; and a reactant gas interface formed of a metal material and including reactant gas flow channels. In particular, the reactant and coolant interfaces are mounted to a stack module and, at the same time, are integrally bonded to each other.

Abstract translation: 公开了一种用于燃料电池的歧管块，其为内部流动通道中的冷却剂流动通道提供优异的电绝缘。 更具体地，用于燃料电池堆的歧管块包括由聚合物绝缘材料和冷却剂流动通道形成的冷却剂界面; 以及由金属材料形成并包括反应气流通道的反应气体界面。 特别地，反应物和冷却剂界面安装到堆叠模块，并且同时彼此一体地结合。

公开(公告)号：US12166251B2

公开(公告)日：2024-12-10

申请号：US16942001

申请日：2020-07-29

Applicant: Hyundai Motor Company ,  Kia Motors Corporation

Inventor： Jong Kil Oh ,  Sae Hoon Kim ,  Bo Ki Hong

IPC: H01M8/1053 ,  H01M8/1067 ,  H01M8/1081 ,  H01M8/10

Abstract: Disclosed are a method for manufacturing a polymer electrolyte membrane for fuel cells in which a plurality of porous reinforcement films and ionomer layers are continuously disposed or stacked, and a polymer electrolyte membrane for fuel cells manufactured thereby. The polymer electrolyte membrane for fuel cells includes the porous reinforcement films, thus having excellent mechanical stiffness and improved physical durability. Further, the polymer electrolyte membrane for fuel cells includes an ionomer layer including a catalyst for decomposing peroxide configured to block gas crossover and may thus minimize performance degradation due to gas crossover and prevent an electrical short, and the polymer electrolyte membrane for fuel cells makes it easy to adjust the position of the ionomer layer in the electrolyte membrane in the thickness direction and may thus effectively mitigate gas crossover.

公开(公告)号：US10209158B2

公开(公告)日：2019-02-19

申请号：US15187119

申请日：2016-06-20

Applicant: Hyundai Motor Company

Inventor： Sung Mun Cho ,  Kang Sik Jeon ,  Sae Hoon Kim

IPC: G01M3/32

Abstract: An apparatus and a method for detecting leakage in a hydrogen tank of a hydrogen fuel cell vehicle are provided. Particularly, leakage is detected due to failure of an airtight seal of a solenoid valve in a hydrogen tank based on a change of the sensing value of a high pressure sensor which represents a hydrogen tank pressure during a process of performing a wakeup operation at the time of key-off of a vehicle.

公开(公告)号：US09525184B2

公开(公告)日：2016-12-20

申请号：US13675192

申请日：2012-11-13

Applicant: Hyundai Motor Company

Inventor： Duck Whan Kim ,  Young Bum Kum ,  Sae Hoon Kim ,  Jung Han Yu

IPC: H01M8/04 ,  H01M8/24 ,  H01M8/10

CPC classification number: H01M8/04007 ,  H01M8/04067 ,  H01M8/2485 ,  H01M2008/1095 ,  H01M2250/20 ,  Y02E60/50 ,  Y02P70/56 ,  Y02T90/32

Abstract: Disclosed is a manifold block for a fuel cell, which provides excellent electrical insulation for a coolant flow channel in an internal flow channel. More specifically, a manifold block for a fuel cell stack, includes a coolant interface formed of a polymer insulating material and coolant flow channels; and a reactant gas interface formed of a metal material and including reactant gas flow channels. In particular, the reactant and coolant interfaces are mounted to a stack module and, at the same time, are integrally bonded to each other.

Abstract translation: 公开了一种用于燃料电池的歧管块，其为内部流动通道中的冷却剂流动通道提供优异的电绝缘。 更具体地，用于燃料电池堆的歧管块包括由聚合物绝缘材料和冷却剂流动通道形成的冷却剂界面; 以及由金属材料形成并包括反应气流通道的反应气体界面。 特别地，反应物和冷却剂界面安装到堆叠模块，并且同时彼此一体地结合。

公开(公告)号：US09423468B2

公开(公告)日：2016-08-23

申请号：US14134311

申请日：2013-12-19

Applicant: Hyundai Motor Company ,  Kangnam University Industry-Academia Cooperation Foundation

Inventor： Kwi Seong Jeong ,  Sae Hoon Kim ,  Uck-Soo Kim ,  Hyun-Seok Park ,  Young-Hyun Lee

IPC: H01M8/04 ,  G01R31/40 ,  G01R31/36

CPC classification number: G01R31/40 ,  G01R31/3606 ,  H01M8/0432 ,  H01M8/04559 ,  H01M8/04589 ,  H01M8/04679 ,  Y02E60/50

Abstract: A diagnostic system and method for a fuel cell stack that diagnoses the state and/or failure of the fuel cell stack. More specifically, the diagnostic control analyzer diagnoses and analyzes the state of the fuel cell stack by measuring the voltage and the current received from the fuel cell stack. To do this, an AC signal generator cogenerates a diagnostic AC signal according to the control upon receiving a control command form the analyzer, and an AC component driving element is then driven upon receiving the AC signal that is output from the AC signal generator in order to include a diagnostic AC component within the current of the fuel cell stack. In particular, the diagnostic control analyzer diagnoses the fuel cell stack based on a voltage and a current received from the fuel cell stack that includes the AC component via a load.

Abstract translation: 一种用于诊断燃料电池堆的状态和/或故障的燃料电池堆的诊断系统和方法。 更具体地，诊断控制分析器通过测量从燃料电池堆接收的电压和电流来诊断和分析燃料电池堆的状态。 为此，AC信号发生器在从分析器接收到控制命令时根据控制器共同生成诊断AC信号，然后在接收到从AC信号发生器输出的AC信号时依次驱动AC分量驱动元件 以在燃料电池堆的电流内包括诊断AC分量。 特别地，诊断控制分析器基于经由负载从包括AC分量的燃料电池堆接收的电压和电流来诊断燃料电池堆。

公开(公告)号：US09373860B2

公开(公告)日：2016-06-21

申请号：US14102693

申请日：2013-12-11

Applicant: Hyundai Motor Company ,  Hyundai Autron Co., Ltd.

Inventor： Kwi Seong Jeong ,  Sae Hoon Kim ,  Uck Soo Kim ,  Hyun-Seok Park ,  Young-hyun Lee

IPC: G01N27/416 ,  H01M8/04

CPC classification number: H01M8/04679 ,  H01M8/04492 ,  H01M8/04649 ,  Y02E60/50

Abstract: To diagnose a fault of a fuel cell stack, an alternating current having a first optimal frequency of a first frequency domain to diagnose a drop in cell voltage and an alternating current having a second optimal frequency of a second frequency domain to diagnose a cause of the drop in cell voltage are supplied to the fuel cell stack are provided. A distortion rate is then calculated based on voltage of the fuel cell stack according to the alternating current of the first optimal frequency, and the drop in cell voltage is diagnosed based on the calculated distortion rate. Also, impedance is calculated based on voltage and a current of the fuel cell stack according to the alternating current of the second optimal frequency and amount of water is calculated based on the calculated in the fuel cell stack, and the cause of the drop in cell voltage is diagnosed based on the calculated impedance and amount of water.

Abstract translation: 为了诊断燃料电池堆的故障，具有第一频域的第一最佳频率以诊断电池电压下降的交流电和具有第二频域的第二最佳频率的交流电流，以诊断电池电压的原因 提供电池电压下降到燃料电池堆。 然后根据第一最佳频率的交流电流，根据燃料电池堆的电压来计算变形率，并且基于所计算的失真率来诊断电池电压的下降。 此外，根据第二最佳频率的交流电流，根据燃料电池堆的电压和电流来计算阻抗，并且基于在燃料电池堆中计算的水量来计算水量，以及电池的下降的原因 基于计算的阻抗和水量来诊断电压。

公开(公告)号：US09257706B2

公开(公告)日：2016-02-09

申请号：US14605300

申请日：2015-01-26

Applicant: Hyundai Motor Company ,  Korea Advanced Institute of Science and Technology

Inventor： Dai Gil Lee ,  Ha Na Yu ,  Jun Woo Lim ,  Sae Hoon Kim ,  Jung Do Suh ,  Byung Ki Ahn

IPC: H01M8/02 ,  B32B38/00 ,  B32B37/00 ,  H01M8/10

CPC classification number: H01M8/0228 ,  B32B37/0053 ,  B32B38/0004 ,  B32B2305/076 ,  B32B2309/04 ,  B32B2309/105 ,  B32B2309/12 ,  B32B2313/04 ,  B32B2457/18 ,  H01M8/0213 ,  H01M8/0221 ,  H01M8/0226 ,  H01M8/0234 ,  H01M8/0239 ,  H01M8/0245 ,  H01M2008/1095 ,  Y02E60/50 ,  Y02P70/56 ,  Y10T156/108

Abstract: The present invention provides a method for manufacturing a composite separator for a polymer electrolyte membrane fuel cell. The method comprises: preparing a prepreg as a continuous carbon fiber-reinforced composite and a graphite foil; allowing the cut prepreg and graphite foil to pass through a stacking/compression roller to be compressed; allowing the prepreg in which the graphite foil is integrally stacked to be heated and pressed by a hot press such that hydrogen, air, and coolant flow fields are formed or to pass through a hot roller to be formed into a separator; removing unnecessary portions from the heated and pressed separator using a trim cutter; and post-curing the thus formed separator, wherein the graphite foil may be stacked on the prepreg as the continuous carbon fiber-reinforced composite such that a graphite layer is integrally formed with the prepreg.

Abstract translation: 本发明提供一种高分子电解质膜燃料电池用复合隔板的制造方法。 该方法包括：制备作为连续碳纤维增强复合材料和石墨箔的预浸料; 允许切片预浸料和石墨箔通过堆叠/压缩辊进行压缩; 允许通过热压机将石墨箔整体堆叠的预浸料加热和压制，使得形成氢气，空气和冷却剂流场，或者通过待形成的隔热膜的热辊; 使用修剪刀从加热和压制的分离器去除不需要的部分; 并对由此形成的隔板进行后固化，其中石墨箔可以作为连续碳纤维增强复合材料堆叠在预浸料上，使得石墨层与预浸料一体形成。

公开(公告)号：US09118044B2

公开(公告)日：2015-08-25

申请号：US13874844

申请日：2013-05-01

Applicant: Hyundai Motor Company ,  Kia Motors Corporation ,  Wooshin Industrial Co., Ltd.

Inventor： Duck Whan Kim ,  Sae Hoon Kim ,  Young Bum Kum ,  Young Tae Kim ,  Chang Jun Lee

IPC: B32B37/00 ,  H01M8/02 ,  B29C65/00 ,  B29C65/06 ,  H01M8/24 ,  B29L31/34

CPC classification number: H01M8/0297 ,  B29C65/0618 ,  B29C66/12443 ,  B29C66/54 ,  B29C66/543 ,  B29C66/723 ,  B29C66/8322 ,  B29C66/8742 ,  B29L2031/3468 ,  H01M8/2485 ,  Y02E60/50 ,  Y02P70/56

Abstract: A method for manufacturing a manifold for a fuel cell with a multilayer structure by injection-molding individual manifolds, each having welding projections and welding guides, and bonding the injection-molded individual manifolds by vibration welding includes arranging welding projections of an upper individual manifold and welding guides of a lower individual manifold to be engaged with each other while maintaining a uniform gap between each other to bond a plurality of individual manifolds in an up and down stacking structure, pressing the lower individual manifold upward, and applying vibration to the upper individual manifold in the left and right direction, thus bonding the upper and lower individual manifolds. Among the welding projections of the upper individual manifold, a non-horizontal welding projection whose longitudinal direction does not coincide with the vibration direction of the individual manifold has a variable height.

Abstract translation: 一种用于制造具有多层结构的燃料电池歧管的方法，其通过注射成型的各个歧管，每个歧管具有焊接突起和焊接引导件，并且通过振动焊接来接合注射成型的各歧管包括设置上个体歧管的焊接突起和 下部单独歧管的焊接引导件彼此接合，同时保持彼此之间的均匀间隙，以将上面和下部堆叠结构中的多个单独的歧管结合在一起，将下部单个歧管向上按压，并向上部个体施加振动 在左右方向上形成歧管，从而结合上部和下部各个歧管。 在上个体歧管的焊接突起中，纵向与单个歧管的振动方向不一致的非水平焊接突起具有可变的高度。

公开(公告)号：US20150140472A1

公开(公告)日：2015-05-21

申请号：US14605300

申请日：2015-01-26

Applicant: Hyundai Motor Company ,  Korea Advanced Institute of Science and Technology

Inventor： Dai Gil Lee ,  Ha Na Yu ,  Jun Woo Lim ,  Sae Hoon Kim ,  Jung Do Suh ,  Byung Ki Ahn

IPC: H01M8/02

CPC classification number: H01M8/0228 ,  B32B37/0053 ,  B32B38/0004 ,  B32B2305/076 ,  B32B2309/04 ,  B32B2309/105 ,  B32B2309/12 ,  B32B2313/04 ,  B32B2457/18 ,  H01M8/0213 ,  H01M8/0221 ,  H01M8/0226 ,  H01M8/0234 ,  H01M8/0239 ,  H01M8/0245 ,  H01M2008/1095 ,  Y02E60/50 ,  Y02P70/56 ,  Y10T156/108

Abstract: The present invention provides a composite separator for a polymer electrolyte membrane fuel cell (PEMFC) and a method for manufacturing the same, in which a graphite foil prepared by compressing expanded graphite is stacked on a carbon fiber-reinforced composite prepreg or a mixed solution prepared by mixing graphite flake and powder with a resin solvent is applied to the cured composite prepreg such that a graphite layer is integrally molded on the outermost end of the separator.For this purpose, the present invention provides a method for manufacturing a composite separator for a polymer electrolyte membrane fuel cell, the method including: preparing a prepreg as a continuous carbon fiber-reinforced composite and a graphite foil; allowing the cut prepreg and graphite foil to pass through a stacking/compression roller to be compressed; allowing the prepreg in which the graphite foil is integrally stacked to be heated and pressed by a hot press such that hydrogen, air, and coolant flow fields are formed or to pass through a hot roller to be formed into a separator; removing unnecessary portions from the heated and pressed separator using a trim cutter; and post-curing the thus formed separator, wherein the graphite foil may be stacked on the prepreg as the continuous carbon fiber-reinforced composite such that a graphite layer is integrally formed with the prepreg.

Abstract translation: 本发明提供了一种用于聚合物电解质膜燃料电池（PEMFC）的复合隔板及其制造方法，其中通过压缩膨胀石墨制备的石墨箔堆叠在碳纤维增强复合材料预浸料或制备的混合溶液 通过将石墨片和粉末与树脂溶剂混合施加到固化的复合预浸料上，使得石墨层一体地模制在隔板的最外端。 为此，本发明提供一种高分子电解质膜燃料电池用复合隔膜的制造方法，其特征在于，包括：将预浸料作为连续碳纤维增强复合体和石墨箔制备; 允许切片预浸料和石墨箔通过堆叠/压缩辊进行压缩; 允许通过热压机将石墨箔整体堆叠的预浸料加热和压制，使得形成氢气，空气和冷却剂流场，或者通过待形成的隔热膜的热辊; 使用修剪刀从加热和压制的分离器去除不需要的部分; 并对由此形成的隔板进行后固化，其中石墨箔可以作为连续碳纤维增强复合材料堆叠在预浸料上，使得石墨层与预浸料一体形成。