公开(公告)号：US20250116714A1

公开(公告)日：2025-04-10

申请号：US18833219

申请日：2023-02-06

Applicant: Stefan MUNTHE ,  Johan FLINK ,  Robin VELÉN ,  POWERCELL SWEDEN AB

Inventor： Stefan MUNTHE ,  Johan FLINK ,  Robin VELÉN

IPC: G01R31/385 ,  H01M8/04537

Abstract: Disclosed is an electric cell stack comprising a plurality of electric plates sandwiching insulation layers, wherein at least one of the plurality of electric plates a voltage monitoring element for monitoring a voltage of said electric plate is arranged, wherein said at least one electric plate at which the electric voltage monitoring element is arranged has at least one through hole, wherein at and/or in the through hole the voltage monitoring element is arranged.

公开(公告)号：US20210249669A1

公开(公告)日：2021-08-12

申请号：US17251246

申请日：2019-06-18

Applicant: Stefan MUNTHE ,  POWERCELL SWEDEN AB

Inventor： Stefan MUNTHE

IPC: H01M8/0297 ,  H01M8/241 ,  H01M8/2404 ,  H01M8/1004

Abstract: A membrane electrode assembly for a fuel cell stack includes at least a cathode, an anode and a membrane therebetween, wherein the membrane electrode assembly further has a basic shape which substantially resembles the shape of a bipolar plate of a fuel cell unit onto which the membrane electrode assembly is intended to be placed, wherein the membrane electrode assembly further includes at least one distinctive alignment projection, which protrudes from a circumference of the basic shape and wherein the distinctive alignment projection has a size and/or shape which is adapted to be contacted by an alignment tool for aligning the membrane electrode assembly in the fuel cell stack, as well as a fuel cell stack including such a membrane electrode assembly and an alignment tool or fuel cell stack housing for aligning and/or housing such a fuel cells stack.

公开(公告)号：US20250105312A1

公开(公告)日：2025-03-27

申请号：US18832846

申请日：2023-02-06

Applicant: Stefan MUNTHE ,  Johan FLINK ,  Robin VELÉN ,  POWERCELL SWEDEN AB

Inventor： Stefan MUNTHE ,  Johan FLINK ,  Robin VELÉN

IPC: H01M8/0256 ,  H01M8/1004 ,  H01M8/2465

Abstract: Disclosed is an electric cell stack comprising at least a plurality of electric plates and a plurality of insulating layers, wherein the stack of the plurality of electric plates and insulating layers are alternatingly stacked in such a way that the electric plates are separated by insulating layers, and the electric plates and/or the insulating layers are aligned to each other, wherein each electric plate has a first alignment through hole and a second alignment through hole, wherein at and/or in the alignment through holes inner alignment elements are provided for aligning the electric plates and the insulating layers, wherein each inner alignment element has a base plate and an adjusting portion protruding from the base plate, wherein the adjusting portion of one alignment element extends through at least a first electric plate, a first insulating layer, a second electric plate and a second insulating layer.

公开(公告)号：US20210249680A1

公开(公告)日：2021-08-12

申请号：US17251243

申请日：2019-06-18

Applicant: POWERCELL SWEDEN AB

Inventor： Stefan MUNTHE

IPC: H01M8/2404 ,  H01M8/249 ,  H01M8/0297 ,  H01M8/1004 ,  H01M8/0247

Abstract: A manufacturing arrangement for a fuel cell stack includes at least a first alignment station having a first alignment structure for receiving a bipolar plate and a second alignment structure for arranging a membrane electrode assembly at one side of the bipolar plate, preferably on top of the bipolar plate, in a predefined orientation for aligning the bipolar plate and the membrane electrode assembly, whereby a pre-assembled fuel cell unit is provided; a fastening station for fastening the membrane electrode assembly to the bipolar plate, whereby an assembled fuel cell unit is provided; and a second alignment station haying at least one third alignment structure for aligning the assembled fuel cell units for providing a fuel cell stack, as well as a method for manufacturing a fuel cell stack, and a fuel cell stack having been manufactured by such an arrangement and/or method.

公开(公告)号：US20200176792A1

公开(公告)日：2020-06-04

申请号：US16623451

申请日：2018-06-08

Applicant: POWERCELL SWEDEN AB

Inventor： Stefan MUNTHE ,  Mattias HOLMBERG

IPC: H01M8/04537 ,  H01M8/0258 ,  G01R31/3835 ,  G01R31/396 ,  H01R31/00

Abstract: An electric connector for fuel cell stack voltage monitoring includes at least two separate units, each unit including a plurality of pins, each pin being adapted to contact a plate of the fuel cell stack for monitoring a fuel cell stack voltage. The first pin of each unit is adapted to provide a measurement of a reference voltage.