公开(公告)号：US20240313243A1

公开(公告)日：2024-09-19

申请号：US18416624

申请日：2024-01-18

申请人： KABUSHIKI KAISHA TOSHIBA ,  TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION

发明人： Takahiro ONO ,  Masato YOSHINO ,  Kentaro MATSUNAGA ,  Norikazu OSADA

IPC分类号： H01M8/04746 ,  H01M8/026 ,  H01M8/12 ,  H01M8/1246 ,  H01M8/24

CPC分类号： H01M8/04746 ,  H01M8/026 ,  H01M8/1246 ,  H01M8/2459 ,  H01M2008/1293

摘要： According to one embodiment, an electrochemical cell 1 includes: an electrode layered body 10 having an electrolyte 10e having a first surface 10e1 and a second surface 10e2 positioned opposite to the first surface 10e1, a cathode 10c in contact with the first surface 10e1, and an anode 10a in contact with the second surface 10e2; and a gas-flow suppression part 20 that is positioned at least partially adjacent to a side surface of the electrode layered body 10, and is formed from a material different from those of the electrolyte 10e, the cathode 10c, and the anode 10a.

公开(公告)号：US12087978B2

公开(公告)日：2024-09-10

申请号：US17346516

申请日：2021-06-14

申请人： Hyundai Motor Company ,  Kia Corporation

发明人： Woo Chul Shin ,  Kyung Min Kim

IPC分类号： H01M8/026 ,  H01M8/0247

CPC分类号： H01M8/026 ,  H01M8/0247

摘要： A multiple perforation plate for fuel cell separators includes virtual flow path hole central lines spaced apart from each other at a constant interval in a length direction corresponding to a flow direction of reaction gas and formed in a width direction perpendicular to the flow direction of the reaction gas, a plurality of flow path holes formed at a constant interval on the flow path hole central lines in the width direction, and expansion parts formed at both sides of a middle point of each of the flow path holes in the width direction so as to have a greater width in the length direction than that of other points of each of the flow path holes.

公开(公告)号：US12046778B2

公开(公告)日：2024-07-23

申请号：US17048333

申请日：2019-04-16

申请人： Intelligent Energy Limited

发明人： Carl Christie ,  Christopher J. Gurney ,  Harry J. Karmazyn ,  Lydia Jowsey

IPC分类号： H01M8/0258 ,  H01M8/0254 ,  H01M8/026 ,  H01M8/0263 ,  H01M8/0267 ,  H01M8/04014

CPC分类号： H01M8/0258 ,  H01M8/0254 ,  H01M8/026 ,  H01M8/0263 ,  H01M8/0267 ,  H01M8/04014

摘要： Separator plates (108; 300; 400; 410) for fuel cell assemblies have a first edge (110, 310) and a second, opposing edge (111, 311). The fuel cell separator plates define a series of airflow channels (112, 113, 312, 313, 401, 411) extending longitudinally between the first and second edges. The airflow channels can be non-linear airflow channels formed from a linked series of bumps (320) opposite to corresponding recesses (321) in the facing channel walls. The linked series of bumps and recesses can run the entire channel length. The linked series of bumps and recesses can be formed as a sinusoidal wave having an amplitude and a frequency.

公开(公告)号：US11973251B2

公开(公告)日：2024-04-30

申请号：US17443907

申请日：2021-07-28

申请人： TOYOTA JIDOSHA KABUSHIKI KAISHA

发明人： Makoto Adachi ,  Naoki Takehiro ,  Masaaki Matsusue ,  Masayuki Ito ,  Hideo Nagaosa

IPC分类号： H01M8/1004 ,  H01M8/0258 ,  H01M8/026 ,  H01M8/1007 ,  H01M8/1053

CPC分类号： H01M8/1004 ,  H01M8/0258 ,  H01M8/026 ,  H01M8/1007 ,  H01M8/1053 ,  Y02E60/50

摘要： A fuel cell is provided with: a membrane electrode assembly (MEA); and a cathode-side separator assembled to the MEA, the cathode-side separator including first passages on a first surface of the cathode-side separator on a side closer to the MEA, and second passages on a second surface of the cathode-side separator on an opposite side, the first and second passages allowing oxidant gas to flow through the first and second passages, respectively. The first passages include first recessed portions on the first surface so as to extend from one end of the cathode-side separator to the other end, the second passages include second recessed portions on the second surface so as to extend from the one end to the other end and to be arranged alternately with the first recessed portions, and a penetration hole on a bottom face of the second recessed portion penetrating through the cathode-side separator.

公开(公告)号：US11929525B2

公开(公告)日：2024-03-12

申请号：US17680239

申请日：2022-02-24

申请人： HONDA MOTOR CO., LTD.

发明人： Toshinobu Mito ,  Yoshio Kajita ,  Kenta Watanabe ,  Shuhei Goto

IPC分类号： H01M8/0267 ,  H01M8/026 ,  H01M8/0265

CPC分类号： H01M8/0267 ,  H01M8/026 ,  H01M8/0265

摘要： A coolant flow field of a fuel cell stack includes a power-generation-portion-cooling flow path including a portion overlapping a power generation section of a membrane electrode assembly, a bypass flow path provided on outer peripheries of separators, a main supply flow path extending from a coolant supply passage through the bypass flow path and communicating with the power-generation-portion-cooling flow path, and a bubble release flow path extending from an upper portion of the coolant supply passage in the gravity direction toward the bypass flow path and communicating with the bypass flow path, wherein the bubble release flow path extends upward in the gravity direction above the coolant supply passage.

公开(公告)号：US11888186B2

公开(公告)日：2024-01-30

申请号：US17459217

申请日：2021-08-27

申请人： HYZON MOTORS INC.

发明人： Steve Goebel ,  Gary M. Robb

IPC分类号： H01M8/0254 ,  H01M8/0267 ,  H01M8/1006 ,  H01M8/0273 ,  H01M8/026

CPC分类号： H01M8/0254 ,  H01M8/026 ,  H01M8/0267 ,  H01M8/0273 ,  H01M8/1006

摘要： A bipolar plate assembly includes a first frame member, a second frame member, and a membrane electrode assembly. The first frame member has a first side and a second side. The first side has a first side protuberance. The second frame member includes a first side and a second side. The second side has a second side recess. The membrane electrode assembly has an anode plate and a cathode plate. A portion of the membrane electrode assembly is disposed between the first frame member and the second frame member. The portion of the membrane electrode assembly has a juxtaposition of the anode plate and the cathode plate. The first side protuberance of the first frame member deforms the portion of the membrane electrode assembly into the second side recess of the second frame member.

公开(公告)号：US20240030466A1

公开(公告)日：2024-01-25

申请号：US18023099

申请日：2021-09-01

申请人： TVS MOTOR COMPANY LIMITED

发明人： Devaki Krishnan ,  Kompella Venkata Naga Satya Harika ,  Pramila Rao Nileshwar ,  Jabez Dhinagar Samraj

IPC分类号： H01M8/026 ,  H01M8/04664 ,  H01M8/0297 ,  H01M8/0267 ,  H01M8/0206

CPC分类号： H01M8/026 ,  H01M8/04679 ,  H01M8/0297 ,  H01M8/0267 ,  H01M8/0206

摘要： The bipolar plate assembly includes a cathode flow field plate and an anode flow field plate. The cathode flow field plate has a first plurality of flow channels defined between the first plurality of ribs acting as pathway for oxidant, a second plurality of flow channels defined a second plurality of ribs acting as pathway for coolant. The anode flow field plate has a third plurality of flow channels defined between a third plurality of ribs acting as pathway for fuel, and a fourth plurality of flow channels defined between a fourth plurality of ribs acting as pathway for coolant. A first inlet manifold receives the oxidant, the coolant or both, and a second inlet manifold receives the fuel.

公开(公告)号：US20240006628A1

公开(公告)日：2024-01-04

申请号：US18342128

申请日：2023-06-27

申请人： CUMMINS INC. ,  HYDROGENICS CORPORATION

发明人： Udit SHRIVASTAVA ,  Salvatore RANIERI ,  Barathram JAYASANKAR ,  Ellsworth William BELL ,  Nathaniel Ian JOOS ,  Ashok KUMAR

IPC分类号： H01M8/026 ,  H01M8/04119

CPC分类号： H01M8/026 ,  H01M8/04156

摘要： A fuel cell system having a fuel cell includes an anode, a cathode, a membrane electrode assembly, a bipolar plate, and a microporous layer. The bipolar plate comprises an anode flow field.

公开(公告)号：US20240006627A1

公开(公告)日：2024-01-04

申请号：US18250854

申请日：2021-10-06

申请人： Robert Bosch GmbH

发明人： Alexander Eifert ,  Manuel Schneiter ,  Stefan Klenge ,  Ulrich Berner ,  Jan Hendrik Ohs ,  Veronika Schleper

IPC分类号： H01M8/026 ,  H01M8/04119 ,  H01M8/0265

CPC分类号： H01M8/026 ,  H01M8/04156 ,  H01M8/0265

摘要： The invention relates to a distributor plate (7) for an electrochemical cell (1), the distributor plate (7) having a structure comprising connecting portions (12) with surfaces (13), and main ducts (11) having floor surfaces (33).
The surfaces (13) and optionally on the floor surfaces (33) of the secondary ducts (15) are provided with a pattern (92) and
the distributor plate (7) has at least two regions (94) in which the patterns (92) on the surfaces (13) differ from one another. The invention further relates to a method for producing the distributor plate (7), an electrochemical cell (1), and a method for operating an electrochemical cell (1).

公开(公告)号：US20230402621A1

公开(公告)日：2023-12-14

申请号：US18245323

申请日：2022-02-11

申请人： AUDI AG

发明人： Oliver KEITSCH ,  Fabian LIPPL ,  Armin SIEBEL ,  Sebastian VOIGT

IPC分类号： H01M8/026 ,  H01M8/241 ,  H01M8/1004 ,  B60L50/72

CPC分类号： H01M8/026 ,  H01M8/241 ,  H01M8/1004 ,  B60L50/72 ,  H01M2008/1095

摘要： A bipolar plate for a fuel cell stack of a fuel cell system is described, having at least one main duct portion, which is designed for feeding a fluid (R1, R2, K); a plurality of inflow duct portions that branch off the main duct portion; a plurality of distribution duct portions fluidically connected to the inflow duct portions. The inflow duct portions are arranged along at least a part of the circumferential contour of the main duct portion such that each inflow duct portion, with regard to an imaginary orthogonal, in a respective connecting region of the inflow duct portion and main duct portion, to the circumferential contour at that location, is inclined with respect to this orthogonal such that, between the orthogonal and an inflow duct axis, an angle of incidence is formed, wherein, on the basis of the inclined arrangement of the inflow duct portions, a swirling flow for the fluid flowing in is able to be generated in the main duct portion.