WO2023237150A1 - Dispositif de mise en contact pour un empilement de cellules électrochimiques et procédé de mise en contact - Google Patents

Dispositif de mise en contact pour un empilement de cellules électrochimiques et procédé de mise en contact Download PDF

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Publication number
WO2023237150A1
WO2023237150A1 PCT/DE2023/100396 DE2023100396W WO2023237150A1 WO 2023237150 A1 WO2023237150 A1 WO 2023237150A1 DE 2023100396 W DE2023100396 W DE 2023100396W WO 2023237150 A1 WO2023237150 A1 WO 2023237150A1
Authority
WO
WIPO (PCT)
Prior art keywords
contacting
strip
stack
electrochemical cells
contacting device
Prior art date
Application number
PCT/DE2023/100396
Other languages
German (de)
English (en)
Inventor
Andreas Nendel
Original Assignee
Schaeffler Technologies AG & Co. KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Publication of WO2023237150A1 publication Critical patent/WO2023237150A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465—Details of groupings of fuel cells
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/60—Constructional parts of cells
    • C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/70—Assemblies comprising two or more cells
    • C25B9/73—Assemblies comprising two or more cells of the filter-press type
    • C25B9/75—Assemblies comprising two or more cells of the filter-press type having bipolar electrodes
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/70—Assemblies comprising two or more cells
    • C25B9/73—Assemblies comprising two or more cells of the filter-press type
    • C25B9/77—Assemblies comprising two or more cells of the filter-press type having diaphragms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0297—Arrangements for joining electrodes, reservoir layers, heat exchange units or bipolar separators to each other
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
    • H01M8/04537—Electric variables
    • H01M8/04544—Voltage
    • H01M8/04552—Voltage of the individual fuel cell
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/02—Hydrogen or oxygen
    • C25B1/04—Hydrogen or oxygen by electrolysis of water
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
    • H01R13/2414—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means conductive elastomers

Definitions

  • the invention relates to a contacting device for plates within a stack of electrochemical cells, in particular fuel cells.
  • the invention further relates to a method for contacting at least one plate of a stack of electrochemical cells.
  • WO 2020/200 338 A1 discloses a battery cell macromodule housing for accommodating multiple battery cells in one housing.
  • the housing includes a housing shell in which there is an opening for receiving a board connection socket.
  • the connection socket is attached to an external area of a circuit board body.
  • the battery cell macromodule housing according to WO 2020/200 338 A1 should be particularly suitable for use in electrically powered vehicles.
  • DE 89 02 967 U1 describes a possible design of an electrical plug contact with a flat plug.
  • the electrical plug contact is designed as a stamped sheet metal part, with the flat plug being formed in two layers by an envelope of at least one edge strip of the stamped sheet metal part.
  • a spring arm base of the electrical plug contact according to DE 89 02 967 U1 is connected to the flat plug by a connecting web.
  • a detent spring tongue base part, which is formed by a flat strip, is held on the spring arm base.
  • KR 10 2005 004 8277 A suggests contacting via wires under an adhesive layer, which lead to a plug contact outside the adhesive layer.
  • EP 1 900 052 B1 discloses a bipolar plate which is composed of two half sheets, namely a so-called half cathodic bipolar plate and half anodic bipolar plate.
  • the half-sheets form hollow receptacles into which electrical connecting elements can be inserted for measuring purposes.
  • US 2008 /0 102 332 A1 shows a connector for measuring a cell voltage.
  • Another connector for measuring a cell voltage of a fuel cell is described in DE 10 2018 110 870 A1.
  • a connector is mounted in a diagonal direction relative to the external shape of the fuel cells.
  • the invention is based on the object of achieving progress in the contacting of electrochemical cells compared to the stated prior art, particularly in terms of manufacturing aspects, with particularly good utilization of space also being sought.
  • a contacting device provided for contacting at least one plate within a stack of electrochemical cells with the features of claim 1.
  • the object is also achieved by a method for contacting a plate of a stack of electrochemical cells according to claim 9.
  • the design and advantages of the invention explained with the contacting device also apply mutatis mutandis to the contacting method and vice versa.
  • the contacting device comprises a flexible contacting strip, which is designed to be pressed onto an end face of a conductive plate of the electrochemical stack Cells are provided, wherein the contacting strip lies in a plane aligned orthogonally to the plate and is located on a contact strip, to which at least one positioning wedge is also attached.
  • positioning wedges can be adjacent to both ends of the contacting strip. Variants are also possible in which there is only a positioning wedge at a single end of the contacting strip. In any case, the at least one positioning wedge is provided for positioning between two mutually parallel plates of the stack of electrochemical cells.
  • the plates of the electrochemical cells to be contacted can in particular be bipolar plates.
  • the end faces to be contacted can in particular be in the form of sheet metal edges that were created by a cutting process and do not have an exactly defined geometric shape. In short, we can speak of edges of rough bipolar plates.
  • the bipolar plates can be bent at their edges to increase the contact areas. In the case of bends, angular errors can also play a role, which can be compensated for with the help of the contacting device.
  • the flexible contacting strip hugs the edge of the bipolar plate or other electrically conductive plate over a large area compared to conceivable, comparably stiff contacting elements, also in the form of metallic contacting springs. Because no surface contact has to be made on the top and/or bottom of the plate, the contacting device takes up particularly little space.
  • the at least one plate within the stack of electrochemical cells is contacted as follows: - a stack of electrochemical cells, which comprises a large number of mutually parallel plates, is provided,
  • the contacting device according to the application is pressed onto an end face of at least one plate of the cell stack with the aid of an inherently rigid pressure rail, the contact pressure giving a force vector lying in the plane of the plate.
  • the contacting strip can in particular be a strip made of electrically conductive plastic.
  • the conductivity can be produced in a manner known per se by adding electrically conductive material.
  • contacting on an end face that is to say the end-side contacting, which is provided by the contacting strip
  • reference is made, for example, to WO 02/096607 A1 which concerns the treatment of end faces of plates, but does not deal with electrical properties explains.
  • the contact strip on which the contacting strip is located can in particular be designed as a flexible conductor track.
  • the entire arrangement of contacting strips and contact strips therefore has flexibility, which is essential for surface contacting.
  • the contacting strip in the form of the current-conducting, elastic plastic can be applied to the flexible conductor track provided as an intermediate product in a manner known per se.
  • a compressible band for example made of foam rubber, on the side of the contact strip facing away from the contacting strip.
  • the strength of this band can be greater than the wall thickness of the contacting strip.
  • the contacting strip provided for electrical contacting can adapt particularly well to shape defects in the plate stack at the edges of the plates.
  • numerous design variants are possible, with each of these variants assuming that a plurality of mutually parallel contacting strips are arranged on the contact strip:
  • foil contacts provided by the contacting strips can run over the entire cell stack, which is also referred to as a stack for short. This is particularly important when the stack has narrow tolerances, i.e. when there is a high level of geometric precision.
  • foil contacts which are provided by means of the plurality of contacting strips, to a few cells of the stack.
  • stepped recesses in the contacting strips are advantageous. This generally means that the two contacting strips arranged on the edges of the contact strip are inserted into a first outer or second outer contour of the contact strip, the contours mentioned being coordinated with one another according to the key-lock principle, so that several similar contact strips are underneath Maintaining distances can be placed together.
  • a contacting element has, for example, three to eight flexible contacting strips arranged parallel to one another, in particular four such strips.
  • the number of contacts can be determined depending on the manufacturing tolerance of the cells. The more precisely the geometry of the cells and thus of the entire stack is defined, the more plates of the stack can be contacted at the same time by a single band on which there are several strip-shaped contact areas. In extreme cases, all cells of a stack, for example 400 cells, can be contacted by a single, uninterrupted, flat, flexible object that replaces a large number of contact strips.
  • At least one electrical connecting element on the contact strip including grouped contacting strips, or on a component connected to the contact strip.
  • This element can be either for example, a plug or a more complex element of an electronic network.
  • the connecting element which is in particular integrated into a bus system, can be arranged on a fixed circuit board.
  • Flexible connections between individual, typically similar contacting devices can be designed, for example, as films laid in loops, with which tolerances in the normal direction of the mutually parallel plates to be contacted can be compensated. If the panels are aligned horizontally, tolerances in the vertical direction can be compensated for.
  • Positioning wedges With the help of the elements known as positioning wedges, the heights of the individual contacting strips adapt to the height of the plates, based on the arbitrary horizontal alignment of the electrically conductive plates to be contacted, in particular bipolar plates. Positioning wedges are also referred to when they do not have a strict wedge shape, but rather, for example, a rounded cross-sectional shape or a tooth shape, as long as the so-called positioning wedges allow sufficient adjustment of the contacting strips in relation to the plates for contacting.
  • the individual contacting devices are initially held resiliently at a distance from one another.
  • spring elements can be tensioned, for example, between plugs, each of which can be assigned to a contacting device.
  • the spring elements ensure that there are initially equal distances between the individual contacting devices.
  • the pressing of all contacting devices onto the entire stack of electrochemical cells can then be carried out in particular with a pressure rail attached to the cell stack, for example held at the ends of the stack.
  • the top and bottom contacting devices are first brought to the intended height. The remaining contacting devices in between are aligned with the help of the mentioned spring elements and the positioning wedges, so that no further manual adjustment work is required.
  • the advantage of the invention is, in particular, that contacting bipolar plates of a fuel cell stack is possible in a simple, space-saving manner without requiring notches, projections or similar contours of the plates to be electrically contacted.
  • the contacting device can be used in particular for measuring the cell voltage of fuel cells, that is, for cell monitoring.
  • FIG. 1 shows a section of a schematic sectional view of a stack of electrochemical cells and a contacting device attached thereto
  • FIG. 2 shows a section of the contacting device according to FIG. 1 in a top view
  • FIG. 3 shows the entire contacting device according to FIG. 2 in a schematic top view
  • FIG. 4 shows the arrangement according to FIG. 3 in a schematic sectional view
  • FIG. 5 shows an alternative embodiment of a contacting device in a view analogous to FIG. 3,
  • FIG. 6 shows the arrangement according to FIG. 5 in a view analogous to FIG. 4. Unless otherwise stated, the following explanations refer to all exemplary embodiments. Parts that correspond to one another or have the same effect in principle are marked with the same reference numerals in all figures.
  • a stack of electrochemical cells marked overall with the reference number 1 is a fuel cell stack. Electrical contacts to bipolar plates 3 of the fuel cell stack 1 are made using a contacting device 2.
  • the fuel cell stack 1 is also referred to as a stack for short.
  • the stack 1 could, for example, be part of an electrolysis system for producing hydrogen or a core component of a redox flow battery.
  • the plates 3, that is to say bipolar plates, are each composed of two half sheets 4, 5.
  • Individual electrochemical cells 6, that is to say fuel cells, comprise two half cells 7, 8 in a structure known per se, which are separated from one another by a proton-conducting membrane 9.
  • the biopolar plates 3 are always aligned horizontally. This does not provide any information about the actual arrangement of the bipolar plates 3 in space. Accordingly, directional information such as “top”, “bottom” or “side” only refers to the arrangements visible in the figures and does not represent a precedent for the actual orientation in space. In particular, a vertical orientation of the bipolar plates 3 is possible.
  • the contacting device 2 comprises at least one flexible contacting strip 10, which is intended to rest on an end face 11 of a bipolar plate 3.
  • the contacting strip 10 is made of an electrically conductive plastic and is located on a contact strip generally designated 12, which in the exemplary embodiments is a flexible conductor track.
  • Positioning wedges 13 are also held on the contact strip 12 and are firmly connected between two adjacent bipolar plates 3 or with the bipolar plates 3 Structures are to be used so that each contacting strip 10 comes into correct contact with the end face 11 of one of the bipolar plates 3.
  • the compressible band 14 On the side of the contact strip 12 facing away from the contacting strip 10 there is a compressible band 14 which can transmit compressive forces.
  • the compressible band 14 protrudes laterally beyond the contacting strips 10, so that it covers not only the contacting strips 10, but also the positioning wedges 13, which are located at both ends of the contacting strips 10.
  • the compressible band 14 is made of foam rubber and is significantly thicker than the contacting strip 10, which is also flexible.
  • four contacting strips 10 are arranged one above the other on the contact strip 12.
  • a pressure rail 15 is provided, which can be attached to the stack 1. With the pressure rail 15, a plurality of contacting devices 2 can be pressed onto the stack 1 at the same time. In extreme cases, all bipolar plates 3 of the stack 1 can be electrically contacted simultaneously by several contacting devices 2.
  • the contact strip 12 has an upper contour 21 with projections and recesses and a similarly designed lower contour 22.
  • the different contours 21, 22 fit together according to a key-lock principle, with recesses in each contour 21, 22 being significantly wider than associated projections of the corresponding contour 22, 21, so that gaps arise between contact strips 12 placed next to one another. There are also gaps in the horizontal direction between adjacent contact strips 12 attached to the stack 1. Due to the lack of a fixed connection between the individual contact strips 12, geometric imperfections in the stack 1 can be compensated for.
  • Fuel cell stacks electrochemical cell stacks

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Fuel Cell (AREA)

Abstract

L'invention concerne un dispositif de mise en contact (2) pour un empilement (1) de cellules électrochimiques (6), en particulier pour une pile à combustible, comprenant une bande de mise en contact (10) flexible. Cette bande de mise en contact (10) est destinée à être appuyée contre une face frontale (11) d'une plaque (3) conductrice de l'empilement (1) de cellules électrochimiques (6), la bande de mise en contact (10) se trouvant dans un plan perpendiculaire à la plaque (3) et étant située au niveau d'une bande d'appui (12), à laquelle est également fixée au moins une cale de positionnement (13) qui se trouve à l'une des deux extrémités de la bande de mise en contact (10), et la cale de positionnement (13) étant destinée à être positionnée entre deux plaques (3) parallèles de l'empilement (1) de cellules électrochimiques (6).
PCT/DE2023/100396 2022-06-07 2023-05-26 Dispositif de mise en contact pour un empilement de cellules électrochimiques et procédé de mise en contact WO2023237150A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022114215.9 2022-06-07
DE102022114215.9A DE102022114215B3 (de) 2022-06-07 2022-06-07 Kontaktiervorrichtung für einen Stapel elektrochemischer Zellen und Kontaktierungsverfahren

Publications (1)

Publication Number Publication Date
WO2023237150A1 true WO2023237150A1 (fr) 2023-12-14

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PCT/DE2023/100396 WO2023237150A1 (fr) 2022-06-07 2023-05-26 Dispositif de mise en contact pour un empilement de cellules électrochimiques et procédé de mise en contact

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DE (1) DE102022114215B3 (fr)
WO (1) WO2023237150A1 (fr)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1002435B (de) 1954-04-07 1957-02-14 Siemens Ag Auf elektrische Anschlussfahnen aufsteckbare Klammer fuer isolierte Leiter
DE8902967U1 (de) 1989-03-10 1990-07-12 Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal Elektrischer Steckkontakt mit einem Flachstecker
WO2002096607A1 (fr) 2001-05-31 2002-12-05 Hans Niedermayer Plaque comportant une face et moyens permettant de coller ladite face a la face d'une autre plaque
US20030215678A1 (en) * 2001-09-19 2003-11-20 Ballard Power Systems Inc. Electrical contacting device for a fuel cell
KR20050048277A (ko) 2003-11-19 2005-05-24 현대자동차주식회사 연료 전지 스택용 셀 전압 측정장치
US20080102332A1 (en) 2006-11-01 2008-05-01 Samsung Sdi Co., Ltd Device for measuring electrical output and fuel cell stack including the same
DE102007038153A1 (de) 2007-06-28 2009-01-08 Beone Hamburg Gmbh Leitgummi Messwertabgriff für Brennstoffzellen
DE112010005607T5 (de) * 2010-05-28 2013-03-21 Toyota Jidosha Kabushiki Kaisha Konnektor und Brennstoffzelle
DE102014225949A1 (de) * 2014-12-15 2016-06-16 Volkswagen Ag Elektrischer Steckverbinder mit Rasteinrichtung zur Kontaktierung eines Bipolarplattenstapels für eine Brennstoffzelle und Bipolarplattenstapel
WO2018193347A1 (fr) 2017-04-21 2018-10-25 Braun Gmbh Dispositif connecteur avec connecteur et procédé d'assemblage
EP1900052B1 (fr) 2005-06-28 2018-11-14 PSA Automobiles SA Plaque bipolaire pour pile a combustible comportant un logement pour connecteur de mesure
DE102018110870A1 (de) 2017-06-26 2018-12-27 Toyota Jidosha Kabushiki Kaisha Brennstoffzellenmodul, Herstellungsverfahren für ein Brennstoffzellenmodul und Steckverbinder
DE202018006251U1 (de) 2018-08-29 2019-10-14 Phoenix Contact Gmbh & Co. Kg Hermaphroditisches Kontaktelement
WO2020200338A1 (fr) 2019-04-05 2020-10-08 Scio Technology Gmbh Boîtier de macro-module d'éléments de batterie, dispositif de mise en contact pour un boîtier de macro-module d'éléments de batterie, couvercle de boîtier pour un dispositif de mise en contact pour un boîtier de macro-module d'éléments de batterie et un macro-module d'éléments de batterie

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1002435B (de) 1954-04-07 1957-02-14 Siemens Ag Auf elektrische Anschlussfahnen aufsteckbare Klammer fuer isolierte Leiter
DE8902967U1 (de) 1989-03-10 1990-07-12 Grote & Hartmann Gmbh & Co Kg, 5600 Wuppertal Elektrischer Steckkontakt mit einem Flachstecker
WO2002096607A1 (fr) 2001-05-31 2002-12-05 Hans Niedermayer Plaque comportant une face et moyens permettant de coller ladite face a la face d'une autre plaque
US20030215678A1 (en) * 2001-09-19 2003-11-20 Ballard Power Systems Inc. Electrical contacting device for a fuel cell
KR20050048277A (ko) 2003-11-19 2005-05-24 현대자동차주식회사 연료 전지 스택용 셀 전압 측정장치
EP1900052B1 (fr) 2005-06-28 2018-11-14 PSA Automobiles SA Plaque bipolaire pour pile a combustible comportant un logement pour connecteur de mesure
US20080102332A1 (en) 2006-11-01 2008-05-01 Samsung Sdi Co., Ltd Device for measuring electrical output and fuel cell stack including the same
DE102007038153A1 (de) 2007-06-28 2009-01-08 Beone Hamburg Gmbh Leitgummi Messwertabgriff für Brennstoffzellen
DE112010005607T5 (de) * 2010-05-28 2013-03-21 Toyota Jidosha Kabushiki Kaisha Konnektor und Brennstoffzelle
DE102014225949A1 (de) * 2014-12-15 2016-06-16 Volkswagen Ag Elektrischer Steckverbinder mit Rasteinrichtung zur Kontaktierung eines Bipolarplattenstapels für eine Brennstoffzelle und Bipolarplattenstapel
WO2018193347A1 (fr) 2017-04-21 2018-10-25 Braun Gmbh Dispositif connecteur avec connecteur et procédé d'assemblage
DE102018110870A1 (de) 2017-06-26 2018-12-27 Toyota Jidosha Kabushiki Kaisha Brennstoffzellenmodul, Herstellungsverfahren für ein Brennstoffzellenmodul und Steckverbinder
DE202018006251U1 (de) 2018-08-29 2019-10-14 Phoenix Contact Gmbh & Co. Kg Hermaphroditisches Kontaktelement
WO2020200338A1 (fr) 2019-04-05 2020-10-08 Scio Technology Gmbh Boîtier de macro-module d'éléments de batterie, dispositif de mise en contact pour un boîtier de macro-module d'éléments de batterie, couvercle de boîtier pour un dispositif de mise en contact pour un boîtier de macro-module d'éléments de batterie et un macro-module d'éléments de batterie

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