DE102020100204B4 - Device for contacting a carrier plate attached via battery cells - Google Patents

Device for contacting a carrier plate attached via battery cells Download PDF

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Publication number
DE102020100204B4
DE102020100204B4 DE102020100204.1A DE102020100204A DE102020100204B4 DE 102020100204 B4 DE102020100204 B4 DE 102020100204B4 DE 102020100204 A DE102020100204 A DE 102020100204A DE 102020100204 B4 DE102020100204 B4 DE 102020100204B4
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Germany
Prior art keywords
carrier plate
line system
contacts
contacting
electrochemical cells
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Active
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DE102020100204.1A
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German (de)
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DE102020100204A1 (en
Inventor
Ingo Koch
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Froetek Vermoegensverwaltung GmbH
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Froetek Vermoegensverwaltung GmbH
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Priority to DE102020100204.1A priority Critical patent/DE102020100204B4/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/519—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/521—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the material
    • H01M50/522—Inorganic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/521—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the material
    • H01M50/524—Organic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/547—Terminals characterised by the disposition of the terminals on the cells
    • H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

Vorrichtung zum Kontaktieren einer Vielzahl von in einer insbesondere waagerechten Schicht angeordneten elektrochemischen Zellen mit einer über den Akkumulator befestigten kontakttragenden Trägerplatte, wobei die Kontakte der Trägerplatte mit den Kontakten kontaktiert sind, die auf der Oberseite der elektrochemischen Zellen angeordnet sind, und die Trägerplatte ein die Kontakte verbindendes Stromleitungssystem und ein Messleitungssystem aufweist, dadurch gekennzeichnet, dass die Leitungen des Messleitungssystems und/oder des Stromleitungssystems aus elektrisch leitfähigem Kunststoff oder einer niedrig schmelzenden Metalllegierung bestehen und auf die Trägerplatte aufgespritzt sind.Device for contacting a large number of electrochemical cells arranged in an in particular horizontal layer with a contact-carrying carrier plate fastened over the accumulator, the contacts of the carrier plate being contacted with the contacts which are arranged on the upper side of the electrochemical cells, and the carrier plate on the contacts connecting power line system and a measuring line system, characterized in that the lines of the measuring line system and/or the power line system consist of electrically conductive plastic or a metal alloy with a low melting point and are sprayed onto the carrier plate.

Description

Die Erfindung betrifft eine Vorrichtung zum Kontaktieren einer Vielzahl von in einer waagerechten Schicht angeordneten elektrochemischen Zellen mit einer über den Akkumulator befestigten kontakttragenden Trägerplatte, wobei die Kontakte der Trägerplatte mit den Kontakten kontaktiert sind, die auf der Oberseite der elektrochemischen Zellen angeordnet sind, und die Trägerplatte ein die Kontakte verbindendes Stromleitungssystem und ein Messleitungssystem aufweist.The invention relates to a device for contacting a plurality of electrochemical cells arranged in a horizontal layer with a contact-bearing carrier plate attached over the accumulator, the contacts of the carrier plate being in contact with the contacts which are arranged on top of the electrochemical cells and the carrier plate a power line system connecting the contacts and a measuring line system.

Aus der DE 10 2012 205 020 A1 und der DE 10 2012 221 751 A1 ist eine kontakttragende Trägerplatte bekannt, die über einer aufladbaren Batterie befestigt ist und die Kontakte der Batteriezellen miteinander verbindet und ferner ein Messleitungssystem aufweist. Die leitenden Verbindungen des Stromleitungssystems sind üblicherweise durch Metallbleche und die des Messleitungssystems durch Kabel durch aufwändige Arbeitsschritte erzeugt.From the DE 10 2012 205 020 A1 and the DE 10 2012 221 751 A1 a contact-carrying carrier plate is known which is fastened over a rechargeable battery and connects the contacts of the battery cells to one another and also has a measuring line system. The conductive connections of the power line system are usually created by metal sheets and those of the measuring line system by cables through complex work steps.

Aufgabe der Erfindung ist es, eine Vorrichtung der eingangs genannten Art so zu verbessern, dass es nicht erforderlich ist, Kabel und Leitungen durch zusätzliche Arbeitsschritte zu verlegen. Ferner entfällt die Gefahr, dass sich Kabelverbindungen lösen können und Falschverkabelungen entstehen.The object of the invention is to improve a device of the type mentioned at the outset in such a way that it is not necessary to lay cables and lines through additional work steps. Furthermore, there is no risk of cable connections coming loose and incorrect wiring occurring.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass die Leitungen des Messleitungssystems und/oder des Stromleitungssystems aus elektrisch leitfähigem Kunststoff oder einer niedrig schmelzenden Metalllegierung bestehen und auf die Trägerplatte aufgespritzt sind.This object is achieved according to the invention in that the lines of the measuring line system and/or the power line system are made of electrically conductive plastic or a metal alloy with a low melting point and are sprayed onto the carrier plate.

Durch einen solchen Aufbau der Trägerplatte entfallen die Arbeitsschritte des Verlegens und Befestigen von Kabeln und/oder Leitungen des Stromleitungssystems und des Messleitungssystems. Auch kann es nicht zu Falschverkabelungen kommen. Ferner sind die Kabel und/oder Leitungen so sicher auf der Trägerplatte befestigt, dass sie sich nicht lösen können.Such a construction of the carrier plate eliminates the work steps of laying and fastening cables and/or lines of the power line system and the measuring line system. Incorrect wiring cannot occur either. Furthermore, the cables and/or lines are fastened so securely on the carrier plate that they cannot become detached.

Besonders vorteilhaft ist die erfindungsgemäße Lehre bei Trägerplatten über Lithium-Ionen-Batteriezellen verwendbar.The teaching according to the invention can be used particularly advantageously in the case of carrier plates for lithium-ion battery cells.

Ausführungsbeispiele der Erfindung werden im Folgenden näher beschrieben.Exemplary embodiments of the invention are described in more detail below.

Die Erfindung betrifft ein Zellkontaktierungssystem mit einer waagerechten Trägerplatte aus Kunststoff, die über der waagerechten Oberseite einer aufladbaren Batterie bzw. eines Akkumulatormoduls abdeckend insbesondere lösbar befestigt wird. Die Batterie bzw. das Akkumulatormodul weist mehrere dicht nebeneinander angeordnete elektrochemische Zellen (insbesondere Lithium-Ionen-Batteriezellen) auf, die an ihrer Oberseite jeweils zwei Kontakte (Zellenterminals) aufweisen. Oberhalb jedes Zellenkontakts weist die Trägerplatte einen Kontaktbereich auf, der nach unten frei bzw. unbedeckt ist und mit dem jeweiligen Zellenkontakt kontaktiert.The invention relates to a cell contacting system with a horizontal carrier plate made of plastic, which is fastened, in particular detachably, to cover the horizontal upper side of a chargeable battery or an accumulator module. The battery or the accumulator module has a plurality of electrochemical cells (in particular lithium-ion battery cells) which are arranged closely next to one another and which each have two contacts (cell terminals) on their upper side. Above each cell contact, the carrier plate has a contact area which is free or uncovered at the bottom and makes contact with the respective cell contact.

Die Kontakte der Trägerplatte sind mit einer Stromanschlussstelle über elektrische Leitungen verbunden, die ein Stromleitungssystem bilden. Ferner weist die Trägerplatte ein Messleitungssystem auf mit elektrischen Signalleitungen, die mit dem Stromleitungssystem zur Messung elektrischer Größe wie z. B. Zellspannung oder mit auf der Trägerplatte befestigten Sensoren verbunden sind.The contacts of the carrier plate are connected to a power connection point via electrical lines that form a power line system. Furthermore, the support plate has a measuring line system with electrical signal lines that are connected to the power line system for measuring electrical variables such as e.g. B. cell voltage or attached to the support plate sensors.

Die auf der Trägerplatte befindlichen Leitungen des Stromleitungssystems und/oder des Messleitungssystems bestehen nicht aus auf der Trägerplatte montierten Kabeln oder Litzen, sondern aus länglichen Bereichen leitfähigem Kunststoff, der auf die Trägerplatte aufgespritzt ist. Als leitfähiger Kunststoff werden vorzugsweise folgende Kunststoffe verwendet: PP, TRES, EPDM zugesetzt: Ruß, Graphit oder metallische Fasern, Partikel.The lines of the power line system and/or the measuring line system located on the support plate do not consist of cables or stranded wires mounted on the support plate, but of elongated areas of conductive plastic that is sprayed onto the support plate. The following plastics are preferably used as conductive plastic: PP, TRES, EPDM Added: carbon black, graphite or metallic fibers, particles.

Alternativ können die aufgespritzten länglichen, elektrischen, leitfähigen Bereiche aus einer niedrig schmelzenden Metalllegierung bestehen, vorzugsweise aus Zinn und weiteren Bestandteilen wie Kupfer, Silber, Wismut.Alternatively, the elongated, electrically conductive areas sprayed on can consist of a metal alloy with a low melting point, preferably tin and other components such as copper, silver, bismuth.

Claims (2)

Vorrichtung zum Kontaktieren einer Vielzahl von in einer insbesondere waagerechten Schicht angeordneten elektrochemischen Zellen mit einer über den Akkumulator befestigten kontakttragenden Trägerplatte, wobei die Kontakte der Trägerplatte mit den Kontakten kontaktiert sind, die auf der Oberseite der elektrochemischen Zellen angeordnet sind, und die Trägerplatte ein die Kontakte verbindendes Stromleitungssystem und ein Messleitungssystem aufweist, dadurch gekennzeichnet, dass die Leitungen des Messleitungssystems und/oder des Stromleitungssystems aus elektrisch leitfähigem Kunststoff oder einer niedrig schmelzenden Metalllegierung bestehen und auf die Trägerplatte aufgespritzt sind.Device for contacting a large number of electrochemical cells arranged in an in particular horizontal layer with a contact-carrying carrier plate fastened over the accumulator, the contacts of the carrier plate being contacted with the contacts which are arranged on the upper side of the electrochemical cells, and the carrier plate on the contacts connecting power line system and a measuring line system, characterized in that the lines of the measuring line system and/or the power line system consist of electrically conductive plastic or a metal alloy with a low melting point and are sprayed onto the carrier plate. Vorrichtung nach Anspruch 1,dadurch gekennzeichnet, dass die elektrochemischen Zellen Lithium-Ionen-Batteriezellen sind.device after claim 1 , characterized in that the electrochemical cells are lithium-ion battery cells.
DE102020100204.1A 2020-01-08 2020-01-08 Device for contacting a carrier plate attached via battery cells Active DE102020100204B4 (en)

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DE102020100204.1A DE102020100204B4 (en) 2020-01-08 2020-01-08 Device for contacting a carrier plate attached via battery cells

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DE102020100204B4 true DE102020100204B4 (en) 2022-05-25

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DE102022111856A1 (en) 2022-05-11 2023-11-16 Webasto SE Method for contacting battery cells in a vehicle battery assembly, and vehicle battery assembly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012205020A1 (en) 2012-03-28 2013-10-02 Elringklinger Ag Cell contact system for electrochemical device i.e. accumulator, for providing highly loadable power supply for driving motor car, has bond conductor electric conductively connected with temperature sensor by bond connector
DE102012221751A1 (en) 2012-11-28 2014-05-28 Robert Bosch Gmbh Battery module with battery module cover and a method for making a battery module cover of a battery module
US20140370348A1 (en) 2011-12-19 2014-12-18 Robert Bosch Gmbh Electrical energy storage module and method for producing an electrical energy storage module
DE102013220044A1 (en) 2013-10-02 2015-04-02 Elringklinger Ag Cell contacting system for an electrochemical device and method of making a cell contacting system
US20170077487A1 (en) 2014-09-10 2017-03-16 Cellink Corporation Battery interconnects

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140370348A1 (en) 2011-12-19 2014-12-18 Robert Bosch Gmbh Electrical energy storage module and method for producing an electrical energy storage module
DE102012205020A1 (en) 2012-03-28 2013-10-02 Elringklinger Ag Cell contact system for electrochemical device i.e. accumulator, for providing highly loadable power supply for driving motor car, has bond conductor electric conductively connected with temperature sensor by bond connector
DE102012221751A1 (en) 2012-11-28 2014-05-28 Robert Bosch Gmbh Battery module with battery module cover and a method for making a battery module cover of a battery module
DE102013220044A1 (en) 2013-10-02 2015-04-02 Elringklinger Ag Cell contacting system for an electrochemical device and method of making a cell contacting system
US20170077487A1 (en) 2014-09-10 2017-03-16 Cellink Corporation Battery interconnects

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