WO2012019972A1 - Boîtier de batterie comprenant des éléments sensibles à l'accélération, batterie et véhicule à moteur comprenant une telle batterie - Google Patents

Boîtier de batterie comprenant des éléments sensibles à l'accélération, batterie et véhicule à moteur comprenant une telle batterie Download PDF

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Publication number
WO2012019972A1
WO2012019972A1 PCT/EP2011/063547 EP2011063547W WO2012019972A1 WO 2012019972 A1 WO2012019972 A1 WO 2012019972A1 EP 2011063547 W EP2011063547 W EP 2011063547W WO 2012019972 A1 WO2012019972 A1 WO 2012019972A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
acceleration
sensitive element
housing
battery housing
Prior art date
Application number
PCT/EP2011/063547
Other languages
German (de)
English (en)
Inventor
Martin Moehle
Hans-Peter Seebich
Guenter Schnepel
Romuald Fries
Alexander Reitzle
Ulrich Zimmermann
Udo Jauernig
Stephan Leuthner
Rainer Kern
Original Assignee
Robert Bosch Gmbh
Sb Limotive Company Ltd.
Sb Limotive Germany Gmbh
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, Sb Limotive Company Ltd., Sb Limotive Germany Gmbh filed Critical Robert Bosch Gmbh
Priority to EP11748331.3A priority Critical patent/EP2603942A1/fr
Publication of WO2012019972A1 publication Critical patent/WO2012019972A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/04—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses for indicating maximum value
    • G01P15/06—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses for indicating maximum value using members subjected to a permanent deformation
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/488—Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • 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
    • 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 case, a battery and a motor vehicle with battery.
  • the battery When transporting or handling a battery, for example, when installing it in a vehicle, the battery may be damaged if it is exposed to high accelerations. This can be done by a crash when dropping the battery. Such damage may affect the function of the battery and thus the safety of its use
  • Damage to the damaged batteries can not always be seen from the outside, unless the housing has been damaged, so that it is possible to install damaged batteries in vehicles.
  • Acceleration sensors are provided.
  • the acceleration sensors are part of a circuit which interrupts the power supply of the electronic device by the battery pack when exceeding a predetermined limit for acceleration.
  • means for recording the acceleration values may be present, so that the determined values can additionally be set in relation to time, wherein cumulative limit values for the decommissioning of the battery pack can be predetermined.
  • a battery housing preferably provided for a battery with lithium-ion battery cells, which is provided on its outside with at least one acceleration-sensitive element.
  • the acceleration-sensitive element changes its state upon the action of a defined release acceleration, wherein this state change can be perceived optically.
  • the battery case has more than one
  • acceleration-sensitive element which are each arranged at critical points of the battery case to advantageously detect all possible variants of damage safely.
  • Preferred areas for detecting the acceleration are the bottom, edges, corners and connections of the battery case.
  • the area of the battery housing that is covered by an acceleration-sensitive element can be configured arbitrarily, so also elongated shapes can be selected in addition to round or substantially round configurations, for example, to secure edges optimally.
  • the inventive design of a battery case or a battery with at least one acceleration-sensitive element can be safely and inexpensively avoided that, for example, by a fall damaged batteries in motor vehicles or in other areas are used.
  • the battery can be checked for its integrity by simple visual inspection. This change in state of the acceleration-sensitive element is preferably irreversible, so that the damage is made permanently visible and thus later errors can be ruled out.
  • acceleration-sensitive elements may be conventional
  • Acceleration recorder can be used either on the
  • Battery housing glued or permanently connected in any other suitable manner. These can also be formed by the battery case itself. Both embodiments can also be found in
  • the at least one acceleration-sensitive element is color-changeable and / or plastically deformable at the defined triggering acceleration.
  • the possible optical changes are dictated by design features of the acceleration-sensitive element.
  • acceleration-sensitive element to provide cavities with dyes that are destroyed when exceeding the limit value for the acceleration and discolor the material of the acceleration-sensitive element.
  • Another possibility is given in a transparent material, in which two components located in different cavities react with each other when destroying the cavities and form a visible from the outside dye.
  • the at least one acceleration-sensitive element can also be plastically deformed for visual inspection; the acceleration-sensitive element projects beyond the battery housing, preferably in the form of nubs or the like. If the battery falls, for example, the knobs are pressed in, signaling damage to the battery.
  • These elements may simply be hollow or have a honeycomb structure or the like inside.
  • the material used are suitable, plastically deformable plastics or metals.
  • the embodiments of the acceleration-sensitive elements can be combined with each other arbitrarily, wherein not all acceleration-sensitive elements must be activated by the identical triggering acceleration, so that particularly sensitive areas of the battery case can be particularly monitored.
  • a battery with a battery housing according to the invention usually has a number of connected between a positive battery terminal and a negative battery terminal in series battery cells, preferably
  • Lithium-ion battery cells are.
  • Another aspect of the invention relates to a motor vehicle with a
  • FIG. 1 shows a sectional detail view of a battery housing with an acceleration-sensitive element in the state before reaching a defined release acceleration
  • Figure 2 is a sectional detail view of the battery case of
  • Figure 3 is a sectional detail view of a battery case with an acceleration-sensitive element according to a second embodiment in the state before reaching a defined release acceleration
  • Figure 4 is a sectional detail view of a battery case with an acceleration-sensitive element according to the second embodiment of Figure 3 in the state after reaching a defined release acceleration.
  • FIG. 1 shows a battery housing 10 of a battery 1 1 is shown in a detailed view, wherein an acceleration-sensitive element 12 is located in the region of an edge 13 of the battery case 10. The state before exceeding a limit value for acceleration is displayed.
  • the movement-sensitive element 12 is configured hemispherical, with the curved side 14 of the movement-sensitive element 12 facing away from the battery housing 10. Inside the movement-sensitive element 12 are cavities 15 which, depending on the embodiment, can also be filled with a dye, not shown here.
  • the state after a tripping acceleration is exceeded is shown in FIG.
  • the acceleration-sensitive element 12 is plastically deformed, for example, by a fall of the battery 1 1 and thus indicates damage to the battery case 10 and / or the battery 1 1 at. Due to the plastic deformation of the acceleration-sensitive element 12, the cavities 15 are burst in the interior, wherein optionally a dye is released.
  • This acceleration-sensitive element 12 may, for example, have been produced by a foamed plastic.
  • acceleration-sensitive element 12 is shown in Figure 3 and 4, wherein Figure 3 shows the state before and Figure 4 shows the state after exceeding a
  • Threshold for the acceleration shows.
  • the acceleration-sensitive element 12 is designed as a hollow body corresponding to a fall is plastically deformed, wherein the acceleration-sensitive element 12 may be made of metal or plastic.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

L'invention concerne un boîtier (10), destiné à une batterie (11), sur la face extérieure duquel est disposé au moins un élément sensible à l'accélération (12), ainsi qu'une batterie et un véhicule à moteur équipé de cette batterie. L'état de l'élément/des éléments sensible(s) à l'accélération (12) change en fonction d'une valeur limite d'accélération prédéfinie, ce changement pouvant être observé optiquement. La batterie (11) comporte de préférence des éléments lithium ion.
PCT/EP2011/063547 2010-08-13 2011-08-05 Boîtier de batterie comprenant des éléments sensibles à l'accélération, batterie et véhicule à moteur comprenant une telle batterie WO2012019972A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11748331.3A EP2603942A1 (fr) 2010-08-13 2011-08-05 Boîtier de batterie comprenant des éléments sensibles à l'accélération, batterie et véhicule à moteur comprenant une telle batterie

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010039327A DE102010039327A1 (de) 2010-08-13 2010-08-13 Batteriegehäuse mit beschleunigungssensitiven Elementen, Batterie sowie Kraftfahrzeug mit Batterie
DE102010039327.4 2010-08-13

Publications (1)

Publication Number Publication Date
WO2012019972A1 true WO2012019972A1 (fr) 2012-02-16

Family

ID=44509311

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/063547 WO2012019972A1 (fr) 2010-08-13 2011-08-05 Boîtier de batterie comprenant des éléments sensibles à l'accélération, batterie et véhicule à moteur comprenant une telle batterie

Country Status (3)

Country Link
EP (1) EP2603942A1 (fr)
DE (1) DE102010039327A1 (fr)
WO (1) WO2012019972A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9821852B2 (en) 2016-02-03 2017-11-21 Ford Global Technologies Llc Pressurized air insert for side impacts
CN114243202A (zh) * 2021-11-13 2022-03-25 四川英能基科技有限公司 一种电极盖板、电极、锂电池及生产工艺

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2601440A (en) * 1949-12-28 1952-06-24 John P Kerrigan Impact indicator for containers
US20060250262A1 (en) * 2005-04-21 2006-11-09 Song Jung Y Apparatus and method of protecting battery packs
US20070194943A1 (en) * 2002-06-14 2007-08-23 3M Innovative Properties Company Shock indicator
US20080084180A1 (en) 2006-09-29 2008-04-10 Fujitsu Limited Battery pack and electronic device
WO2010073809A1 (fr) * 2008-12-24 2010-07-01 三菱重工業株式会社 Bloc-batterie

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3071973A (en) * 1959-09-08 1963-01-08 Helfand Bernard Peak recording instrument

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2601440A (en) * 1949-12-28 1952-06-24 John P Kerrigan Impact indicator for containers
US20070194943A1 (en) * 2002-06-14 2007-08-23 3M Innovative Properties Company Shock indicator
US20060250262A1 (en) * 2005-04-21 2006-11-09 Song Jung Y Apparatus and method of protecting battery packs
US20080084180A1 (en) 2006-09-29 2008-04-10 Fujitsu Limited Battery pack and electronic device
WO2010073809A1 (fr) * 2008-12-24 2010-07-01 三菱重工業株式会社 Bloc-batterie

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2603942A1

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9821852B2 (en) 2016-02-03 2017-11-21 Ford Global Technologies Llc Pressurized air insert for side impacts
CN114243202A (zh) * 2021-11-13 2022-03-25 四川英能基科技有限公司 一种电极盖板、电极、锂电池及生产工艺
CN114243202B (zh) * 2021-11-13 2023-12-01 成都新英能基科技有限公司 一种电极盖板、电极、锂电池及生产工艺

Also Published As

Publication number Publication date
DE102010039327A1 (de) 2012-02-16
EP2603942A1 (fr) 2013-06-19

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