WO2019145186A1 - Batterie et procédé de fabrication d'une batterie - Google Patents
Batterie et procédé de fabrication d'une batterie Download PDFInfo
- Publication number
- WO2019145186A1 WO2019145186A1 PCT/EP2019/050857 EP2019050857W WO2019145186A1 WO 2019145186 A1 WO2019145186 A1 WO 2019145186A1 EP 2019050857 W EP2019050857 W EP 2019050857W WO 2019145186 A1 WO2019145186 A1 WO 2019145186A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- battery
- connection terminal
- laminate material
- baterie
- bateriegehäusedeckel
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000002648 laminated material Substances 0.000 claims abstract description 92
- 239000005001 laminate film Substances 0.000 claims abstract description 11
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 37
- 239000004033 plastic Substances 0.000 claims description 29
- 239000010410 layer Substances 0.000 claims description 20
- 230000002209 hydrophobic effect Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 239000002356 single layer Substances 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 description 7
- 125000003277 amino group Chemical group 0.000 description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 6
- 239000003822 epoxy resin Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- 238000005304 joining Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000003075 superhydrophobic effect Effects 0.000 description 4
- 239000011256 inorganic filler Substances 0.000 description 3
- 229910003475 inorganic filler Inorganic materials 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000012777 electrically insulating material Substances 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000009782 nail-penetration test Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000005046 Chlorosilane Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical class Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- ARYZCSRUUPFYMY-UHFFFAOYSA-N methoxysilane Chemical compound CO[SiH3] ARYZCSRUUPFYMY-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 150000003009 phosphonic acids Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- -1 silazanes Chemical class 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/184—Sealing members characterised by their shape or structure
-
- 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
-
- 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
- H01M50/562—Terminals characterised by the 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
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
- H01M50/593—Spacers; Insulating 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
- H01M10/05—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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
- H01M50/176—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for prismatic or rectangular cells
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the invention relates to a battery, in particular lithium-ion battery, and a method for producing a battery, in particular a lithium-ion battery.
- Electrochemical layers e.g., in the form of a stack
- the rail is connected via a rivet to a connection terminal (i.e., a pole) of the battery.
- the rivet fixes a seal which seals the interior of the battery from the environment, and establishes an electrical connection between the rail and the connection terminal.
- Embodiments of the present invention may advantageously enable to demonstrate a battery that is technically simple and that has low electrical resistance between the electrochemical layers and the connector terminal.
- a battery in particular a lithium-ion battery, comprising two connection terminals, which form a positive pole and a negative pole of the battery, is proposed, wherein the connection terminals are electrically isolated from a battery housing cover of the battery, wherein between a first Connection terminal of the connection terminals and the
- Battery housing cover of the battery is an electrically insulating laminate material, in particular an electrically insulating laminate film, arranged for electrically insulating the first connection terminal of the battery housing cover.
- the battery is usually constructed in a technically simple manner.
- the battery housing or the battery housing cover is generally electrically neutral, so that there is a so-called “neutral cell”.
- the battery in a nail penetration test, which is required for batteries in the automotive sector, this is usually advantageous.
- the battery usually has a low resistance between the electrochemical layers and the connection terminal.
- Laminate material the interior of the battery or the battery case (also called cell case) of the battery sealed from the environment technically simple. As a result, usually leakage of electrolyte is prevented.
- the laminate material can usually be compressed with the battery case lid and the connection terminal, so that no air pockets are present, which could adversely affect the battery. Also, the battery points in
- connection terminal is usually technically easily fixed or attached to the battery housing cover.
- a method for manufacturing a battery in particular a lithium-ion battery, preferably a battery as described above, with two connection terminals, is proposed, wherein the connection terminals are electrically isolated from a battery case cover of the battery, the method following steps include: - Arranging a
- Laminate material in particular a laminate film, on a wing of at least one first connection terminal of the connection terminals; - Arrange the Bateriegephaseusedeckels on the laminate material of the first connection terminal such that between the Bateriegephaseusedeckel and the first connection terminal a predetermined distance is present; - pressing the Bateriegepatusedeckels, the first connection terminal and the laminate material; - filling the gap between the first connection terminal and the Bateriegephaseusedeckel with a liquid plastic; and simultaneously curing the laminate material and the liquid plastic.
- Connection terminal generally technically easily fixed to the Bateriegepusedeckel or fixed.
- the compression of the laminate material, the Bateriegepusedeckels and the connection terminal air inclusions, which could adversely affect the Baterie, between these elements are usually substantially excluded.
- the battery comprises a gasket for sealing a region between the battery housing cover and a wing of the battery
- the Bateriegepusedeckel on a recess for receiving at least a portion of the laminate material As a result, the volume efficiency of the battery can generally be further increased. This is in particular given by the fact that the laminate material is a non- energy storage medium of the battery is and the laminate material thereby claimed less space or space within the Bateriegeophuses. This means that, in general, with the same external dimensions of the battery case, there will be more volume within the battery case for elements that increase the capacity of the battery.
- a predetermined distance is provided between the first connection terminal and the battery housing cover such that a first surface of the laminate material is only partially covered by the battery housing cover.
- a hydrophobic layer in particular a hydrophobic monolayer, is arranged on a region of the first surface of the laminate material that is not covered by the battery housing cover. Due to the exposed area of the first surface of the laminate material, under unfavorable conditions, moisture may diffuse into the battery or the battery case. A larger area of the first surface, which is not covered by the Bateriegeophuse usually increases the reliability of the electrical insulation between the connection terminal and Bateriegeophusedeckel and allows larger
- the joining tolerances may e.g. caused by geometry, material and / or lamination process variations.
- the joining tolerances may e.g. caused by geometry, material and / or lamination process variations.
- a larger portion of the first surface, which is not covered by the Bateriegeophuse increases under unfavorable circumstances, the moisture diffusion from the environment in the Baterie or in the Bateriegephaseuse.
- the hydrophobic layer on the area of the first surface of the laminate material that is not covered by the battery housing cover the diffusion of moisture into the battery or into the battery housing is usually greatly reduced. This usually extends the life of the battery.
- the laminate material may have hydroxy groups and / or amine groups on the portion of the first surface of the laminate material not covered by the battery housing cover.
- the hydrophobic layer can be a fabric with a reactive group or groups which react with the hydroxy groups and / or amine groups, and a hydrophobic or superhydrophobic radical (eg, alkyl groups, perfluorinated groups) which produces a compound having the first surface.
- the substance may, for example, include a substance with CAS (Chemical Abstracts Service) Registry Numbers 999-97-3, 18162-84-0, 93804-29-6 and / or 102488-49-3.
- reactive groups may be generated on the region of the first surface not covered by the battery housing cover (in particular, if there are no or only few hydroxy groups and / or amine groups in the region of the first surface not covered by the battery housing cover) the laminate material) to facilitate bonding of the laminate material to the hydrophobic layer.
- a hardened liquid plastic is arranged between the first connection terminal and the battery housing cover. This is usually advantageous that technically simple, the position of the connection terminal and thus the distance of the connection terminal of the battery case or
- connection between connection terminal and battery housing even more reliably prevented. Also, the interior of the battery is usually very safe from the environment sealed.
- the battery housing cover is chamfered on at least one side facing the first connection terminal. This can be a
- Liquid plastic which is liquid before hardening and solid after curing, usually technically particularly easy in the area or distance between the battery housing cover and terminal terminal, in which the laminate material is not covered by the battery housing cover, are introduced. In addition, as a rule, this increases the insulation distance between the battery case lid and
- the battery housing cover in at least one region facing the first connection terminal, has a recess on an outer side for receiving a liquid plastic for enlarging one
- Creepage distance between the connection terminal and the battery case cover on the outside of the battery case cover is usually even easier in the art Area or distance between battery case lid and terminal terminal, in which the laminate material is not covered by the battery case cover, can be introduced.
- a creepage distance on the outside of the battery case or cover is increased in general, which must pass a current from the connection terminal to the battery case, since a part of the
- Outer surface of the battery case, namely the recess is filled with the liquid liquid before curing.
- the laminate material in particular the laminate film
- the first connection terminal which is filled with a hardened liquid plastic.
- Battery housing cover and the connection terminal are tolerable or can exist.
- the joining tolerances may e.g. caused by geometry, material and / or lamination process variations.
- Merging the liquid liquid that is liquid before hardening can be introduced into the first area between the laminate material and the connection terminal and into the second area between the battery housing cover and the connection terminal (and
- the second region being located further outward from the interior or interior of the battery housing.
- the laminate material in particular the laminate film, may comprise or be material based on epoxy (without inorganic fillers or with inorganic fillers), for example an epoxy resin, in particular an epoxy resin or SiO 2 or Al 2 O 3 epoxy resin.
- the laminate material may in particular be a solid.
- the laminate material can only be cured after being pressed together with the battery housing cover and the connection terminal.
- the laminate material may include the battery case lid and the wing of the
- the liquid plastic may comprise a liquid liquid plastic prior to curing, e.g. a liquid polymer, in particular an epoxy resin, include or be such.
- the liquid plastic may e.g. be introduced by means of a dispensing process in the area between the battery case lid and connection terminal.
- Liquid plastic is electrically non-conductive.
- the laminate material and the liquid plastic may be of the same class of material, thereby forming a robust bond between the two elements, since cohesive bonding between the two elements is achieved by the same crosslinking mechanism.
- Hardening can be performed at temperatures up to 180 ° C.
- Fig. 1 shows a cross-sectional view of a first embodiment of the
- FIG. 2 is a plan view of the battery of FIG. 1; FIG.
- Fig. 3 shows a cross-sectional view of a part of a second embodiment of the battery according to the invention
- Fig. 4 shows a cross-sectional view of a part of a third embodiment of the battery according to the invention.
- Fig. 5 shows a cross-sectional view of a part of a fourth embodiment of the battery according to the invention.
- Fig. 6 shows a cross-sectional view of a part of a fifth embodiment of the battery according to the invention
- Fig. 7 shows a cross-sectional view of a part of a sixth embodiment of the battery according to the invention.
- Fig. 1 shows a cross-sectional view of a first embodiment of the
- FIG. 1 shows the upper part of the battery 10.
- FIG. 2 shows a plan view of the battery 10 from FIG. 1.
- the battery 10 includes a battery case 15 disposed on an upper side of the battery
- Battery housing 15, a battery case cover 16 has.
- the battery 10 also includes a stack 40 in which electrochemical layers are arranged, which generate the voltage of the battery 10.
- the stack 40 is connected to two tabs 50, 55.
- One tab 50, 55 is connected to the negative layers and the other tab 50, 55 is connected to the positive layers of the electrochemical layers.
- the battery 10 has two connection terminals 30, 35 which are each electrically connected to one of the tabs 50, 55.
- a connection terminal 30, 35 forms the positive pole of the battery 10 and the other connection terminal 30, 35 forms the negative pole of the battery 10.
- the connection terminals 30, 35 protrude through a (usually
- connection terminals 30, 35 are thus accessible from the outside.
- the battery case 15 is electrically neutral. This means that the battery housing 15 is electrically connected to neither of the two connection terminals 30, 35. There is thus a so-called "neutral cell”.
- a predetermined distance 80, 85 is present between the battery housing cover 16 and the connection terminal 30, 35 (this distance runs in FIG. 1 in the horizontal direction or parallel to the upper surface of the battery housing cover
- connection terminal 30, 35 thus does not touch the battery housing cover 16.
- the respective connection terminal 30, 35 has a lower region or section, from whose surface or peripheral surface a wing 31, 36 protrudes like a collar, wherein the wing 31, 36 extends substantially parallel to the upper surface of the battery case 15. Through this wing 31,
- connection terminal 30, 35 has a substantially larger diameter in the horizontal direction (parallel to the upper surface of the
- a laminate material 60, 65 is formed between the wings 31, 36 of the respective connection terminal 30, 35 and an inside or the interior 12 facing side of the battery case cover 16 arranged.
- the laminate material 60, 65 is formed thin (e.g., about 100 pm).
- the laminate material 60, 65 is substantially parallel to the respective wings 31, 36 of the
- Connection terminals 30, 35 (and thus parallel to an outer surface of the battery case cover 16) and prevents electrical connection between the connection terminal 30, 35 and the battery case 15th
- the laminate material 60, 65 is arranged between the wings 31, 36 of the connection terminal 30, 35 and the battery case 15.
- the laminate material 60, 65 is flat against the connection terminal 30, 35.
- the laminate material 60, 65 projects laterally slightly beyond the wings 31, 36 of the connection terminal 30, 35. This means that the laminate material 60, 65 has a larger diameter in the horizontal direction than the wing 31, 36 of the connection terminal 30, 35.
- Laminate material 60, 65 are constructed substantially the same. However, it is possible that only one connection terminal 30, 35 is in contact with a corresponding laminate material 60, 65.
- the connection terminals 30, 35 may each consist of aluminum or an aluminum alloy or copper or a copper alloy.
- the laminate material 60, 65 consists of an electrically insulating material or a plurality of electrically insulating materials.
- the laminate material 60, 65 may, for example, comprise or consist of an epoxy-based material, eg an epoxy resin.
- the laminate material also serves to seal an interior of the battery from the environment In Fig. 1, a sealing ring as a seal 70, 75 is shown, which is arranged between the wings 31, 36 of the connection terminal 30, 35 and the battery case cover 16.
- the sealing ring is optional. It is possible that the sealing ring or the
- Seal 70, 75 is formed integrally with the laminate material 60, 65.
- the sealing ring seals the area between the laminate material 60, 65 and the battery case lid 16 so that no liquid (e.g., a liquid electrolyte in the interior space 12 of the battery 10 or the battery case 15) is discharged from the
- Battery housing 15 exits into the environment. In addition, an intrusion of
- the laminate materials 60, 65 in the plan view of FIG. 2 each have a rectangular shape with rounded corners (in the middle of the
- Laminate material 60, 65 has a recess).
- the seals 70, 75 and sealing rings each have a shape in plan view, which follows the shape of an outer periphery of a rectangle with rounded corners.
- the connection terminals 30, 35 each also have a rectangular shape with rounded corners in the plan view of FIG. 2.
- Fig. 3 shows a cross-sectional view of a part of a second embodiment of the battery 10 according to the invention. Fig. 3 shows only a portion of a
- connection terminals 30, 35 of the battery 10 the two connection terminals 30, 35 has.
- the second embodiment shown in Fig. 3 differs from the embodiment shown in Fig. 1 in that the battery case cover 16 has a recess 20 in which a part of the laminate material 60, 65 (and the optional seal 70, 75) is arranged.
- the recess 20 is so wide that the laminate material 60, 65 can be received substantially completely in the width in the recess 20 or recess.
- the recess 20 may be so deep (the depth is from top to bottom in FIG. 3) that the entire height of the laminate material 60, 65 is received in the recess 20.
- Fig. 4 shows a cross-sectional view of a part of a third embodiment of the battery 10 according to the invention. Fig. 4 shows only a portion of a
- Embodiment differs from the embodiment shown in Fig. 1 in that a part of the battery case cover 16, which faces the connection terminal 30, 35, is chamfered. This means that the battery case lid 16 in this area from the outside inwards or from top to bottom in FIG. 4 approaches the connection terminal 30, 35, ie the distance 80, 85 between
- Battery housing cover 16 and connection terminal 30, 35 drops when moving in Fig. 4 from top to bottom and thus the laminate material 60, 65 approaches.
- the liquid plastic 90, 95 can be introduced particularly easily into the region between the connection terminal 30, 35 and the battery housing cover 16.
- Fig. 5 shows a cross-sectional view of a part of a fourth embodiment of the battery 10 according to the invention.
- the fourth embodiment shown in Fig. 5 differs from the embodiment shown in Fig. 1 in that the battery case cover 16 in an area on its outside, the area the connection terminal 30, 35 facing, a depression or embossing or
- the recess extends to the area where the battery case lid 16 does not cover the laminate material 60, 65. in the
- the battery housing cover 16 In the region of the depression, the battery housing cover 16 has a smaller thickness (which runs from top to bottom in FIG. 5) than at the other points or regions.
- plastic 90, 95 in the area between the battery case cover 16 and connection terminal 30, 35 and the recess or recess with plastic 90, 95 is filled.
- Fig. 6 shows a cross-sectional view of a part of a fifth embodiment of the battery 10 according to the invention.
- the fifth embodiment shown in Fig. 6 differs from the embodiment shown in Fig. 1 in that between the laminate material 60, 65 and the connection terminal 30, 35 in a direction parallel to an outer surface of the battery case cover 16 and the laminate material 60, 65, a gap or a distance is present.
- the distance between the laminate material 60, 65 and the connection terminal 30, 35 may be smaller (in the horizontal direction in FIG. 6) than the distance of the battery case cover 16 from the connection terminal 30, 35.
- liquid plastic 90, 95 is introduced into the area between connection terminal 30, 35 and battery housing cover 16
- liquid plastic 90, 95 is simultaneously introduced into the area between laminate material 60, 65 and connection terminal 30, 35. Due to the predetermined distance between laminate material 60, 65 and connection terminal 30, 35, by Liquid plastic 90, 95 is filled, the emergence of an unplanned gap between laminate material 60, 65 and connection terminal 30, 35 by
- Fig. 7 shows a cross-sectional view of a part of a sixth embodiment of the battery 10 according to the invention.
- the sixth embodiment shown in Fig. 7 differs from the embodiment shown in Fig. 1 in that exposed on a before the introduction of plastic 90, 95 portion of
- the laminate material 60, 65 may first, in particular hydroxy and / or
- hydrophobic layer 67 On this uncovered area is a hydrophobic layer 67, in particular a monolayer or
- Monolayer also called monolayer layer
- a reactive group eg chlorosilanes, silazanes, phosphonic acids, carboxylates, methoxysilane
- hydrophobic or superhydrophobic Have residual eg, alkyl groups, perfluorinated groups.
- the hydrophobic layer 67 may include, for example, CAS (Chemical Abstracts Service) Registry Number 999-97-3, 18162-84-0, 93804-29-6, and / or 102488-49-3.
- the hydrophobic layer 67 can therefore in particular be CF 3 (CF 2 ) 9 CH 2 CH 2 SiCl 3 (where S1CI 3 is the reactive group) and / or CH 3 (CH 2 ) 6 CH 2 Si (CH 3 ) 2 CH 3 (wherein Si (CH 3 ) 2 0CH 3 represents the reactive group), CH 3 (CH 2 ) 6 CH 2 Si (CH 3 ) 2 Cl (wherein Si (CH 3 ) 2 Cl represents the reactive group) and / or (CH 3) 3 SiNHSi (CH 3) 3 (wherein SiNHSi the reactive group).
- the hydrophobic or superhydrophobic layer 67 may be applied to the laminate prior to curing of the laminate material 60, 65 (eg, by spraying or the like)
- Laminate material 60, 65 or not covered by the battery case cover 16 portion of the laminate material 60, 65 are applied.
- the laminate material 60, 65 initially has few or no hydroxyl and / or amine groups, corresponding reactive groups can be produced on the (exposed to the application of the plastic 90, 95) area of the laminate material 60, 65 by flaming or generating a plasma ,
- the space or exposed area of the laminate material 60, 65 is filled with liquid plastic 90, 95 and the liquid plastic 90, 95 hardened.
- the wings 31, 36 of the connection terminal 30, 35, the laminate material 60, 65 and the battery case cover 16 can be pressed.
- the laminate material 60, 65 may have a thickness of about 100 pm.
- Laminate material 60, 65 may be highly filled with inorganic fillers (eg, Si0 2 ), whereby the laminate material 60, 65 has high mechanical strength and media resistance.
- the coefficient of thermal expansion of the laminate material 60, 65 can be adapted to the coefficient of thermal expansion of the battery housing cover 16 or of the connection terminal 30, 35.
- wing 31, 36 of the respective connection terminal 30, 35 is arranged on an outer surface of the battery housing cover 16.
- the wing 31, 36 of the connection terminal 30, 35 may have a groove for receiving a part of the seal 70, 75 and for aligning the seal 70, 75.
- Hardening can be performed at temperatures up to 180 ° C.
- the battery 10 can be manufactured as follows. First, a laminate material 60, 65, in particular a laminate film, on a wing 31, 36 of the respective
- Connection terminals 30, 35 arranged.
- a battery case cover 16 is arranged on the laminate material 60, 65 of the respective connection element such that in each case between the battery case cover 16 and the respective
- connection terminal 30, 35 a predetermined distance is present.
- the battery housing cover 16 only partially covers the laminate material 60, 65 or an upper side of the laminate material 60, 65 of the connection terminal.
- the battery case cover 16, the connection terminals 30, 35 and the respective laminate material 60, 65 are pressed together.
- the distance between the respective connection terminal 30, 35 and the battery case cover 16 is filled with a liquid plastic 90, 95.
- Liquid plastic 90, 95 cured at the same time This can be done, for example, by heating in a heat oven.
- the second to sixth embodiments may be combined with each other, and the respective changes and modifications may be applied in common to the first embodiment.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
La présente invention concerne une batterie (10), en particulier une batterie lithium-ion, comprenant deux bornes de raccordement (30, 35), qui forment un pôle positif et un pôle négatif de la batterie (10), les bornes de raccordement (30, 35) étant isolées électriquement d'un couvercle de boîtier de batterie (16) de la batterie (10), entre une première borne de raccordement (30, 35) des bornes de raccordement (30, 35) et le couvercle de boîtier de batterie (16) de la batterie (10), un matériau stratifié (60, 65) électriquement isolant, en particulier une feuille stratifiée électriquement isolante, étant disposé pour isoler électriquement la première borne de raccordement (30, 35) du couvercle de boîtier de batterie (16).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018201281.4A DE102018201281A1 (de) | 2018-01-29 | 2018-01-29 | Batterie, insbesondere Lithium-Ionen-Batterie, und Verfahren zum Herstellen einer Batterie, insbesondere einer Lithium-Ionen-Batterie |
DE102018201281.4 | 2018-01-29 |
Publications (1)
Publication Number | Publication Date |
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WO2019145186A1 true WO2019145186A1 (fr) | 2019-08-01 |
Family
ID=65241207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2019/050857 WO2019145186A1 (fr) | 2018-01-29 | 2019-01-15 | Batterie et procédé de fabrication d'une batterie |
Country Status (2)
Country | Link |
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DE (1) | DE102018201281A1 (fr) |
WO (1) | WO2019145186A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021207478A1 (de) | 2021-07-14 | 2023-01-19 | Robert Bosch Gesellschaft mit beschränkter Haftung | Deckelbaugruppe eines Batteriezellengehäuses, Verfahren zu deren Herstellung und Verwendung einer solchen |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150188100A1 (en) * | 2013-12-26 | 2015-07-02 | Kabushiki Kaisha Toshiba | Nonaqueous electrolyte battery, battery pack and storage battery apparatus |
US20160336554A1 (en) * | 2014-01-29 | 2016-11-17 | Kabushiki Kaisha Toshiba | Battery and seal unit |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101116492B1 (ko) * | 2010-02-12 | 2012-02-27 | 에스비리모티브 주식회사 | 이차 전지 |
DE102014205580A1 (de) * | 2013-04-15 | 2014-10-16 | Robert Bosch Gmbh | Speicherzelle und Verfahren zur Herstellung der Speicherzelle |
-
2018
- 2018-01-29 DE DE102018201281.4A patent/DE102018201281A1/de not_active Withdrawn
-
2019
- 2019-01-15 WO PCT/EP2019/050857 patent/WO2019145186A1/fr active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150188100A1 (en) * | 2013-12-26 | 2015-07-02 | Kabushiki Kaisha Toshiba | Nonaqueous electrolyte battery, battery pack and storage battery apparatus |
US20160336554A1 (en) * | 2014-01-29 | 2016-11-17 | Kabushiki Kaisha Toshiba | Battery and seal unit |
Non-Patent Citations (1)
Title |
---|
CHEMICAL ABSTRACTS, Columbus, Ohio, US; abstract no. 999-97-3 |
Also Published As
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DE102018201281A1 (de) | 2019-08-01 |
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