WO2013186083A1 - Élément de batterie à connecteur femelle, batterie et véhicule à moteur - Google Patents

Élément de batterie à connecteur femelle, batterie et véhicule à moteur Download PDF

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Publication number
WO2013186083A1
WO2013186083A1 PCT/EP2013/061463 EP2013061463W WO2013186083A1 WO 2013186083 A1 WO2013186083 A1 WO 2013186083A1 EP 2013061463 W EP2013061463 W EP 2013061463W WO 2013186083 A1 WO2013186083 A1 WO 2013186083A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery cell
film
battery
terminal
cavity
Prior art date
Application number
PCT/EP2013/061463
Other languages
German (de)
English (en)
Inventor
Wolfgang DUERNEGGER
Johannes BIEDERT
Original Assignee
Robert Bosch Gmbh
Samsung Sdi Co., Ltd.
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 Robert Bosch Gmbh, Samsung Sdi Co., Ltd. filed Critical Robert Bosch Gmbh
Publication of WO2013186083A1 publication Critical patent/WO2013186083A1/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
    • 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
    • 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
    • H01M50/571—Methods or arrangements for affording protection against corrosion; Selection of materials therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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 battery cell with a female
  • the present invention relates to a battery, which comprises a plurality of inventive
  • Battery cells includes. Furthermore, the invention relates to a motor vehicle with a battery according to the invention.
  • Lithium-ion battery cells Predestined for a wide range of applications is in particular the lithium-ion technology. It is characterized among other things by high energy densities and extremely low self-discharge.
  • Lithium-ion battery cells have at least one positive and one negative electrode (cathode and anode), the lithium-ion (Li +) reversible on (intercalation) or outsource (deintercalation) can.
  • Electrolyte component containing a so-called lithium-conducting salt necessary. Practical with all current lithium-ion battery cells, both in the
  • LiPF 6 Lithium-Leitsalz lithium hexa-fluorophosphate
  • This LiPF 6 is extremely reactive to moisture and hydrolysis takes place in several stages up to hydrogen fluoride (HF).
  • HF hydrogen fluoride
  • the prior art uses a housing with a metallic portion, wherein a metal foil or a metal sheet forms a barrier against the moisture.
  • Transition and contact resistance are currently welded metallic cell connectors with terminals of the battery cells.
  • this greatly restricts available material combinations on the other hand it is no longer possible, after the welding of the cell connectors with the terminals, to detach them again in a non-destructive way.
  • An upshift of an electrical voltage of the battery to its operating voltage is necessary before the battery is mechanically built up completely.
  • the protector is realized by a foil, in particular a metal foil.
  • the foil is wrapped around the terminal together with the connected battery terminal, so that they are covered.
  • a battery cell is provided with a terminal designed as a female connector available, the terminal a
  • the battery cell comprises a foil and the opening is through the foil
  • a terminal is a physical configuration of one of the poles of the battery cell.
  • the terminal is formed in the present case in the form of a female connector, so it forms a cavity, which is accessible via an opening from the outside.
  • the cavity may for example be cylindrical or in the form of a cuboid.
  • the invention is based on the knowledge that protected as a female connector terminal to protect against external influences by this is shielded by a film.
  • the film is arranged and designed to shield the opening or preferably the entire terminal from liquids, vapors and / or particles. This ensures dust and particle freedom in the terminal.
  • liquids and vapors are kept away from the terminal, which prevents oxidation (corrosion) of contact points inside the terminal.
  • the film is adapted to be severed upon initial insertion of a male connector into the terminal.
  • a connector can be made by the male connector penetrates the film.
  • the film has a predetermined structural
  • Battery cell housing disposed a socket which forms the cavity.
  • a passage of the terminal can be omitted by the battery cell housing.
  • the socket from the outside, for example, via a recess in
  • the film preferably comprises or consists of at least one electrically insulating layer.
  • the electrically insulating layer may preferably be a plastic layer. These embodiments ensure electrical insulation of the film and, in a suitable embodiment, in particular of the terminal, as a result of which contact protection during transport or during assembly processes is ensured. Further preferably, the film comprises or consists of a metal layer.
  • the film comprises or consists of a composite material.
  • a composite material can be realized by an electrically insulating layer of a plastic in combination with a metallic layer, whereby the advantages of these materials are combined in a film.
  • the plastic layer ensures insulation of the terminal, while the metallic layer is a barrier layer.
  • a composite film which has other layers in addition to the electrically insulating layer, which is electrically insulating layer preferably outside, in particular arranged on both sides on the further layer.
  • the film parts of the film comprising the electrically insulating layer, after dicing by first introduction of the male connector, on side surfaces of the cavity, so that adjacent to the cavity parts of the
  • Battery cell housing are covered so that the battery cell housing is electrically isolated from the male connector. After cutting the film through the male connector, the electric
  • Battery cell housing prevents.
  • the film is connected via a non-destructively releasable connection with the battery cell.
  • the film is positively and / or non-positively fixed in a receptacle and the receptacle connected to the battery cell via a non-destructively releasable connection. Due to the non-destructive releasable connections an unnoticed removal of the film or the film is excluded together with the recording, so that a manipulation or a prior use of the battery cell can be detected.
  • the terminal is encapsulated by the battery cell housing and the film or by the battery cell housing, the receptacle and the film from the environment outside the battery cell.
  • the battery cell housing forms together with the film, or the battery cell housing together with the film and the receptacle, a closed deck over the terminal.
  • the entire terminal is shielded by the film and the recording.
  • the non-detachable connection between the receptacle and the battery cell, in particular the battery cell housing is preferably for example by injecting the receptacle, for example made of plastic, to the battery cell and realized in particular to the battery cell housing. Injection of the recording also prevents infiltration of the film by moisture. If the receptacle, together with the film, is mounted on the battery cell, the film can not be detached from the receptacle in a non-destructive manner, thereby preventing unnoticed release of the film from the receptacle.
  • the battery cell is a lithium-ion battery cell (secondary cell).
  • a lithium-ion battery cell secondary cell.
  • Battery cells provided.
  • the battery cells are usually interconnected via parallel and / or series circuits.
  • a motor vehicle with a battery according to the invention is provided.
  • the battery is provided for feeding an electric drive system of the motor vehicle.
  • Figure 1 is a plan view of a battery cell with a terminal according to the invention
  • Figure 2 is a sectional view of a terminal according to the invention before and after first use
  • Figure 3 is a three-dimensional view of a terminal according to the invention before and after initial use.
  • Figures 1 to 3 show a plan view of a battery cell 10 according to the invention according to a preferred embodiment of the invention.
  • the battery cell 10 comprises a terminal 12, which is designed as a female connector, so that the terminal forms a cavity 14 with an outwardly leading opening 16.
  • the opening 16 thus connects the cavity 14 with the environment of the battery cell 10.
  • the opening 16 is of a film 18th
  • the recording 20 can with a
  • Battery cell housing 22 of the battery cell 10 usually with a lid (cap-plate) of the battery cell housing 22 is not non-destructively releasably connected. This can be done for example by injecting the receptacle 20 to the battery cell housing 22. As shown in FIG. 1, both terminals of the battery cell can be designed in this way.
  • FIG. 2 shows the construction of the terminal 12 in a sectional view.
  • the cavity 14 may be formed substantially by a bushing 24, which may be disposed within the battery cell housing 22.
  • the socket 24 may either be electrically conductively connected to the battery cell housing 22, or be electrically isolated therefrom by an electrical insulator (not shown).
  • the socket 24 is a recess in the
  • Battery cell housing 22 accessible from the outside.
  • the film 18 Upon initial insertion of a male connector into the female connector connector 12, the film 18 is severed.
  • the film 18 has a defined geometry, for example in the form of a predetermined structural breaking point, z. B. a linear structural material weakening.
  • a possible geometry can be seen in the left part of FIG. By this geometry, a defined shape of, resulting in the insertion of the male connector, film parts 26 is achieved. This can be prevented, for example, that completely separate individual film parts 26 of the other film parts 26 and affect a contact between the male and female connectors unpredictable.
  • the predetermined predetermined breaking point can also be used to cover parts of the battery cell housing 22 adjoining the cavity 14, ie to isolate it from the male connector. This can be seen in the right parts of FIGS. 2 and 3. The electrically insulating film parts 26 are clamped during insertion of the male connector between the male connector and the battery cell housing 22.
  • An insulation of the terminal 12 can be achieved in the embodiment shown, in addition to the film 18 and the receptacle 20 is formed of an electrically insulating material, such as a plastic.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

L'invention concerne un élément de batterie (10) comportant une borne (12) se présentant sous la forme d'un connecteur femelle, ladite borne (12) présentant une cavité (14) comportant une ouverture (16) orientée vers l'extérieur. L'invention est caractérisée en ce que l'élément de batterie (10) comporte une feuille (18) et en ce que l'ouverture (16) est fermée par la feuille (18). En outre, l'invention concerne une batterie comprenant une pluralité d'éléments de batterie selon l'invention, et un véhicule à moteur équipé de la batterie selon l'invention.
PCT/EP2013/061463 2012-06-13 2013-06-04 Élément de batterie à connecteur femelle, batterie et véhicule à moteur WO2013186083A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012209856.9 2012-06-13
DE102012209856A DE102012209856A1 (de) 2012-06-13 2012-06-13 Batteriezelle, Batterie und Kraftfahrzeug

Publications (1)

Publication Number Publication Date
WO2013186083A1 true WO2013186083A1 (fr) 2013-12-19

Family

ID=48576432

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/061463 WO2013186083A1 (fr) 2012-06-13 2013-06-04 Élément de batterie à connecteur femelle, batterie et véhicule à moteur

Country Status (2)

Country Link
DE (1) DE102012209856A1 (fr)
WO (1) WO2013186083A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014095167A3 (fr) * 2012-12-18 2014-08-21 Robert Bosch Gmbh Cellule de batterie présentant une borne réalisée sous forme de douille et connecteur de cellule correspondant

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014213672A1 (de) 2014-07-15 2016-01-21 Robert Bosch Gmbh Batteriezelle mit einer Steckverbindung
DE102014226167A1 (de) * 2014-12-17 2016-06-23 Robert Bosch Gmbh Batteriezelle mit einem als weiblicher Steckverbinder ausgebildeten Terminal
DE102015204111A1 (de) 2015-03-06 2016-09-08 Robert Bosch Gmbh Batteriezelle, Zellverbinder und Batteriemodul
DE102018114764B4 (de) * 2018-06-20 2020-02-20 Lisa Dräxlmaier GmbH Steckbarer modulverbinder, verbindungssystem und verfahren zum elektrisch leitenden verbinden von zumindest zwei batteriemodulen
DE102020213434A1 (de) 2020-10-26 2022-04-28 Robert Bosch Gesellschaft mit beschränkter Haftung Deckelbaugruppe eines Batteriezellengehäuses und Verwendung einer solchen

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1728319A (en) 1928-04-27 1929-09-17 Charles F Wilson Terminal protector
US5921809A (en) * 1997-05-29 1999-07-13 Battery Boy Llc Safety battery and jumper cables therefor
DE102010064315A1 (de) * 2010-01-05 2011-07-07 Hengelhaupt, Fritz, Dr., 06567 Elektrische Verbindung zwischen Elektroden von Lithium-Ionen-Batteriezellen und Verfahren zur Herstellung der Verbindung
DE102010064313A1 (de) * 2010-02-17 2011-08-18 Hengelhaupt, Fritz, Dr., 06567 Kapselungskappe zum Schutz der Batteriezellenverbindung in Lithium-Ionen-Batterien und Verfahren zur Herstellung einer Kapselung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1728319A (en) 1928-04-27 1929-09-17 Charles F Wilson Terminal protector
US5921809A (en) * 1997-05-29 1999-07-13 Battery Boy Llc Safety battery and jumper cables therefor
DE102010064315A1 (de) * 2010-01-05 2011-07-07 Hengelhaupt, Fritz, Dr., 06567 Elektrische Verbindung zwischen Elektroden von Lithium-Ionen-Batteriezellen und Verfahren zur Herstellung der Verbindung
DE102010064313A1 (de) * 2010-02-17 2011-08-18 Hengelhaupt, Fritz, Dr., 06567 Kapselungskappe zum Schutz der Batteriezellenverbindung in Lithium-Ionen-Batterien und Verfahren zur Herstellung einer Kapselung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014095167A3 (fr) * 2012-12-18 2014-08-21 Robert Bosch Gmbh Cellule de batterie présentant une borne réalisée sous forme de douille et connecteur de cellule correspondant

Also Published As

Publication number Publication date
DE102012209856A1 (de) 2013-12-19

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