WO2014072038A1 - Élément de carte de circuit imprimé et agencement de cellule - Google Patents

Élément de carte de circuit imprimé et agencement de cellule Download PDF

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Publication number
WO2014072038A1
WO2014072038A1 PCT/EP2013/003305 EP2013003305W WO2014072038A1 WO 2014072038 A1 WO2014072038 A1 WO 2014072038A1 EP 2013003305 W EP2013003305 W EP 2013003305W WO 2014072038 A1 WO2014072038 A1 WO 2014072038A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit board
board element
cell
printed circuit
cells
Prior art date
Application number
PCT/EP2013/003305
Other languages
German (de)
English (en)
Inventor
Rainer JÄCKLE
Robert Müller
Original Assignee
Schweizer Electronic Ag
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 Schweizer Electronic Ag filed Critical Schweizer Electronic Ag
Priority to DE201321000058 priority Critical patent/DE212013000058U1/de
Publication of WO2014072038A1 publication Critical patent/WO2014072038A1/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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6553—Terminals or leads
    • 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
    • H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
    • H01M50/51—Connection only in series
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • 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
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0272—Adaptations for fluid transport, e.g. channels, holes
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • 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
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0263—High current adaptations, e.g. printed high current conductors or using auxiliary non-printed means; Fine and coarse circuit patterns on one circuit board
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/06—Thermal details
    • H05K2201/064—Fluid cooling, e.g. by integral pipes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10037—Printed or non-printed battery
    • 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

Definitions

  • the present invention relates to a printed circuit board element and a cell assembly.
  • Cell arrangements are known from the prior art. They are used, for example, in the field of electromobility as power storage for electric motors of motor vehicles use.
  • the known cell arrangements consist of a plurality of galvanic cells, usually of so-called secondary cells, that is rechargeable "battery cells", the like by means of connector elements such as cables, metal bridges, brackets or the like. are conductively connected together in series. These connector elements are often called “bridges”.
  • the cells are generally arranged in a housing in which a cooling water guide is provided.
  • a control electronics is provided.
  • the invention is based on the basic idea of integrating the connector elements necessary for the cell connection as well as the cooling device necessary for heat dissipation with the control electronics into a printed circuit board element.
  • a printed circuit board element which has connecting elements made of conductive material.
  • the connection elements are designed to connect cell terminals of galvanic cells in order to produce a series connection of the galvanic cells.
  • a cooling fluid channel is provided, via which heat is dissipated during a current flow of cell current through the connection elements.
  • a cell arrangement according to the invention comprises at least two galvanic cells. Each cell has a positive pole (cell terminal) and a negative pole. With this cell connection, the galvanic cells are connected to the terminal elements of a printed circuit board element of the invention for generating a series circuit. A derivative of the heat generated during the current flow via a cooling fluid in the cooling fluid channel of the printed circuit board element.
  • a galvanic cell in the context of this application is any type of reusable, rechargeable Power storage. In particular, this means any type of battery cell.
  • FIG. 1 shows a perspective view of a flat cell which can be used within the scope of the invention.
  • FIG. 2 shows a highly schematic lateral sectional view through a cell arrangement according to the invention.
  • Figure 3 shows a schematic Thomasstar too the layer structure of a printed circuit board element according to the invention.
  • FIG. 4 shows a view of the connection elements of a printed circuit board element according to the invention.
  • FIG. 5 shows a perspective view of the connection elements of a further exemplary embodiment of a printed circuit board element according to the invention, with the course of the cooling fluid channels drawn in.
  • FIG. 1 shows a perspective schematic representation of a usable within the scope of the present invention, the galvanic cell 12 in the form of a so-called flat cell (Pouch Cell).
  • the illustrated cell 12 has a positive pole 14 and a negative pole 16, hereinafter referred to as cell terminals 14, 16, at an end located in the illustration above.
  • any type of galvanic cell and in particular accumulator cells are used, both in the technical / chemical and in the geometric sense.
  • galvanic cell and in particular accumulator cells are used, both in the technical / chemical and in the geometric sense.
  • flat cells, but also round cells or cells of other geometry can be used.
  • FIG. 2 shows a highly schematic side sectional view of a cell assembly according to the invention 10.
  • the cell assembly 10 includes a plurality of cells 12 (flat cells in the example shown).
  • the cells 12 are arranged parallel to each other with cell terminals 14, 16 at the top.
  • the Printed circuit board element 20 includes - in the illustration of the embodiment of Figure 2 from bottom to top - a (lower) connection layer Sl with connection elements, a (middle or inner) cooling layer S2 with cooling fluid channel and a (upper) circuit layer S3 with control electronics.
  • a light chip C is shown on the upper layer S3.
  • the cells 12 are connected by means of a plurality of cell terminals 14, 16 with the connection layer Sl the printed circuit board element 20.
  • the printed circuit board element 20 has a multiplicity of connecting elements, which are described below in particular with reference to FIG.
  • connection of the cell terminals to the terminal elements takes place, for example, by soldering or welding (for example in the case of flat cells) or by screwing (for example in the case of round cells) or in any other manner known to the person skilled in the art.
  • FIG. 3 shows in greater detail a possible layer structure of a printed circuit board element 20 according to the invention.
  • connection elements 24.1, 24.2 are shown in the lower layer Sl two connection elements 24.1, 24.2.
  • the connection elements may be planar sections of conductive material, in particular copper.
  • the connection elements are arranged in a carrier layer 30.
  • the carrier layer 30 consists of a conventional material familiar to the person skilled in the art, for example the FR4 well known in printed circuit board production.
  • the cooling layer S2 is formed, which comprises a cooling fluid channel 22 introduced into an insulating layer 28.
  • the insulating layer 28 is an electrically insulating material, but preferably has good thermal conductivity, for example. FR4 or prepreg.
  • the introduction of the cooling fluid channel 22 and its configuration can be done in principle known from the prior art manner.
  • the channel structure is basically constructed of one or more copper layers 38, and the inner wall of the channel may be provided, for example, with a layer of nickel 39.
  • the upper circuit layer S3 comprises - likewise in a manner known per se - a plurality of copper layers 42 and insulating layers 44 for forming an electronic circuit 26.
  • the circuit 26 defines a control electronics for the with the conductor
  • For connecting the circuit arrangement 26 with the cells 12 via the connection elements 24.1, 24.2 are provided through holes 40 which lead through the entire layer structure and establish a conductive connection between the circuit arrangement and the connection elements.
  • Figure 4 shows a plan view of the printed circuit board element 20 of Figure 3 from below, i. on the carrier layer 30 with the connection elements 24.1 to 24.9.
  • the connecting elements 24.1 to 24.9 are formed as flat, in the embodiment rectangular copper sections, which in terms of their function as connector elements for the cell connections and high-current conductors have a corresponding thickness of at least 400 ⁇ (see Figure 3).
  • Other shapes of the connection elements are of course possible and are at the discretion of the skilled person.
  • connection elements 24.1 to 24.9 are arranged in two staggered rows Rl, R2. Except for the first 24.1 and the last 24.9 element of the entire row, each connection element has a first connection field 34 for connection to a positive pole 14 of a cell and via a second connection field 36 for connection to a negative pole 16 of a cell.
  • the first and the last connection element each have only a first connection field 34 or a second connection field 36 and, moreover, serve for connection to an electric circuit (not shown).
  • the connection fields are produced, for example, by etching. They can be adapted in their shape to the shape of the male cell connections.
  • the connection elements are each offset from one another arranged so that they bridge as a connection of a positive pole of a cell with a negative pole of the following cell arranged parallel thereto, etc. accomplish. This arrangement results in the required series connection of the galvanic cells.
  • Figure 5 shows a similar view as Figure 4 of a similar arrangement of connecting elements (ten connecting elements instead of nine as in the embodiment of Figure 4), but in a see-through view, so that the course of the overlying cooling fluid channels 22.1 and 22.2 is visible ,
  • each of the two rows R1, R2 of connecting elements 24.1, 24.3, 24.5, 24.7, 24.9 and 24.2, 24.4, 24.6, 24.8, 24.10 each runs a serpentine coiled cooling fluid channel 22.1 and 22.2.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Structure Of Printed Boards (AREA)

Abstract

L'invention concerne un élément de carte de circuit imprimé (20) présentant au moins trois éléments de raccordement (24.1-24.9 ; 24.1-24.10) en matériau conducteur qui sont réalisés pour la connexion de raccords de cellule (14, 16) de cellules galvaniques (12) pour générer une commutation en série des cellules (12), et qui sont en outre réalisés de manière telle qu'une chaleur générée par la conduction de courant des cellules au travers des éléments de raccordement (24.1-24.9; 24.1- 24.10) peut être évacuée via un canal de fluide de refroidissement (22) à l'intérieur de l'élément de carte de circuit imprimé (20). L'invention concerne également un agencement de cellule (10) présentant un élément de carte de circuit imprimé (20) et au moins deux cellules galvaniques (12), qui présentent respectivement un raccord de cellule positif (14) et un raccord de cellule négatif (16), lesdites au moins deux cellules galvaniques (12) étant reliées avec leurs raccords de cellule (14, 16) aux éléments de raccordement (24.1-24.9; 24.1-24.10) de l'élément de carte de circuit imprimé (20) en vue de générer une commutation en série de manière telle qu'une conduction de courant de cellule a lieu via les éléments de raccordement (24.1-24.9; 24.1-24.10) et une évacuation de la chaleur qui se forme lors de la conduction de courant a lieu via un fluide de refroidissement dans le canal de fluide de refroidissement (22) de l'élément de carte de circuit imprimé (20).
PCT/EP2013/003305 2012-11-12 2013-11-04 Élément de carte de circuit imprimé et agencement de cellule WO2014072038A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE201321000058 DE212013000058U1 (de) 2012-11-12 2013-11-04 Leiterplattenelement und Zellenanordnung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012110832.3 2012-11-12
DE201210110832 DE102012110832A1 (de) 2012-11-12 2012-11-12 Leiterplattenelement und Zellenanordnung

Publications (1)

Publication Number Publication Date
WO2014072038A1 true WO2014072038A1 (fr) 2014-05-15

Family

ID=49709610

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/003305 WO2014072038A1 (fr) 2012-11-12 2013-11-04 Élément de carte de circuit imprimé et agencement de cellule

Country Status (2)

Country Link
DE (2) DE102012110832A1 (fr)
WO (1) WO2014072038A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10897812B2 (en) 2018-12-25 2021-01-19 AT&S (Chongqing) Company Limited Component carrier having a component shielding and method of manufacturing the same
CN113287221A (zh) * 2019-01-10 2021-08-20 佛吉亚排气系统有限公司 车辆电池

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014105123A1 (de) * 2014-04-10 2015-10-15 Conti Temic Microelectronic Gmbh Batteriesystem und Verfahren zum Betreiben eines Batteriesystems
CN116569386A (zh) * 2021-06-18 2023-08-08 鹏鼎控股(深圳)股份有限公司 电池组件、电池模组及电池组件的制作方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1804559A2 (fr) * 2005-12-28 2007-07-04 EL-ME Aktiengesellschaft Module de sécurité électronique
DE102008034699A1 (de) * 2008-07-26 2010-01-28 Daimler Ag Batterie mit mehreren Batteriezellen
DE102009035465A1 (de) * 2009-07-31 2011-02-03 Daimler Ag Batterie, insbesondere Fahrzeugbatterie
DE202010017772U1 (de) 2010-12-30 2012-10-22 Schweizer Electronic Ag Leiterplatte mit Kühlfluidkanal

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1804559A2 (fr) * 2005-12-28 2007-07-04 EL-ME Aktiengesellschaft Module de sécurité électronique
DE102008034699A1 (de) * 2008-07-26 2010-01-28 Daimler Ag Batterie mit mehreren Batteriezellen
DE102009035465A1 (de) * 2009-07-31 2011-02-03 Daimler Ag Batterie, insbesondere Fahrzeugbatterie
DE202010017772U1 (de) 2010-12-30 2012-10-22 Schweizer Electronic Ag Leiterplatte mit Kühlfluidkanal

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10897812B2 (en) 2018-12-25 2021-01-19 AT&S (Chongqing) Company Limited Component carrier having a component shielding and method of manufacturing the same
CN113287221A (zh) * 2019-01-10 2021-08-20 佛吉亚排气系统有限公司 车辆电池
US20220059886A1 (en) * 2019-01-10 2022-02-24 Faurecia Systemes D'chappement Vehicle electric battery

Also Published As

Publication number Publication date
DE102012110832A1 (de) 2014-05-15
DE212013000058U1 (de) 2014-09-10

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