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
  • H01M10/04—Construction or manufacture in general
  • H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
• • 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
  • H01M50/105—Pouches or flexible bags
• • 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
  • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
  • H01M50/117—Inorganic material
  • H01M50/119—Metals
• • 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
  • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
  • H01M50/121—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
  • H01M50/10—Primary casings; Jackets or wrappings
  • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
  • H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
  • H01M50/126—Primary casings; Jackets or wrappings characterised by the material having a layered structure comprising three or more layers
• • 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
  • H01M50/178—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for pouch or flexible bag cells
• • 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
  • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
  • H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
• • 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
  • H01M50/258—Modular batteries; Casings provided with means for assembling
• • 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
  • H01M50/552—Terminals characterised by their shape
  • H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
  • H01M50/557—Plate-shaped terminals
• • 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
• • 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
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T29/00—Metal working
  • Y10T29/49—Method of mechanical manufacture
  • Y10T29/49002—Electrical device making
  • Y10T29/49108—Electric battery cell making

Definitions

• the present invention relates to a galvanic cell, comprising a frame and a method for its production.
• a galvanic cell comprising a frame and a method for its production.
• flat and rectangular cells battery cells, capacitors, etc.
• electrochemically active content of a film-like packaging such as a thin
• individual galvanic cells are connected in series and / or in parallel and are often in an enclosure with associated electronics. Because of the often not very high mechanical strength of the welded in a foil pouch cells, these can often not be installed directly into the battery case, but must first be mechanically stabilized by suitable support structures.
• the object of the present invention is to facilitate the application and treatment of galvanic cells and to alleviate or, if possible, mitigate the problems associated with the sensitivity of their packaging film to solve. This object is achieved by a product or a method according to one of the independent claims.
• a frame is provided for a galvanic cell.
• the cell consists essentially of an electrode stack and a foil-like packaging from the at least two arresters are led out.
• the frame is designed so that it can be firmly connected to the packaging of the cell in the manufacture of the cell.
• a frame is firmly connected to the packaging when the packaging is closed.
• electrode stack is used to designate the electrochemically active contents of a galvanic cell of any type.
• packaging of a cell is understood as meaning the material which does not participate in the electrochemical reaction and which seals off the electrode stack from the environment.
• arresters Transport of electrical charge into the cell or from the cell can take place.
• a framework within the meaning of the present invention should be understood to mean any constructional device which is suitable for mechanically stabilizing the cell against environmental influences and which can be firmly connected to the packaging of the cell during the production of the cell.
• a frame is preferably a substantially frame-shaped device, the function of which is essentially to impart mechanical stability to a galvanic cell.
• FIG. 1 shows a front view of an embodiment of an integrated frame cell according to the invention
• Figure 2 is a view of the same embodiment from behind.
• Figure 5 shows an embodiment of the invention in which the frame is welded to the outwardly extended inside of the packaging film
• FIG 8 shows the structure of a cell block of galvanic cells according to an embodiment of the present invention.
• Figure 9 is a view of a galvanic cell according to an embodiment of the present invention with a frame with holes for a tie rod and arresters, which are partially bent around the frame and contacted frictionally;
• Fig. 10 is an exploded view of the cell shown in Fig. 9;
• Figure 11 is a view of a cell block of individual cells, wherein the tie rod has not been shown;
• Fig. 12 is a sectional view of the cell block shown in Fig. 11;
• FIG. 13 shows the view of a cell according to the invention according to another
• Fig. 14 is an exploded view of the cell shown in Fig. 13;
• Fig. 15 is a further exploded view of this cell
• 16 shows various sectional views through a galvanic cell according to an embodiment of the invention and a Thomas Operationssskizze.
• 17 is a sectional view through a cell according to an embodiment of the invention with an enlargement of the frame area;
• FIG. 18 shows a cell block made of cells according to FIG. 13;
• FIG. 19 is a sectional diagram for explaining the cutting guide in the production of the section shown in FIG. 20 and another
• FIG. 20 shows a sectional view through the cell block shown in FIG. 18 and FIG
• FIG. 21 shows an enlarged detail of the representation in FIG. 20.
• the invention is based on a galvanic cell, which consists essentially of an electrode stack with a foil-like packaging, from which at least two arresters are led out.
• a galvanic cell is stabilized according to the invention by a frame which is designed so that it can be firmly connected to the packaging of the cell in the manufacture of the cell.
• the galvanic cells are stabilized not only when installed in a battery by a connection then to be produced with a frame or a frame, but that the cell before installation in a cell block by the frame according to the invention is stabilized.
• the inventive method, according to which the frame is already connected when closing the package with the cell has the further advantage that the cell already in the further manufacturing process, ie in their filling, in the formation, the aging ("aging") or the so-called “Grading” is already protected against mechanical influences.
• cohesive processes such as, for example, bonding or similar processes are suitable for producing the frame connection of the cell according to the invention.
• the frame can also be connected by a hot pressing or heat sealing, which is preferably carried out by partial melting of a thermoplastic layer located between the joining partners with subsequent cooling under pressure, with the packaging film, which is often already provided with a corresponding coating suitable for this purpose ,
• thermoplastic melt layers of packaging materials eg.
• sealing with heating rod or heating ruler between sealing jaws also referred to as contact seals
• a preferably movable sealing jaw carries a heated rod.
• a preferably fixed lower sealing jaw is often equipped with a surface of elastic material to compensate for unevenness in the sealed seam. Sealing elements of this type are used in many commercially available machines for the production and closing of bags and in form, fill and seal machines.
• the heating rods In the case of very long sealing seams, the heating rods often have to be worked extremely accurately and without any deviation in order to ensure uniform pressure over the entire sealing surface. To achieve clean sealing seams, the films are often before using the sealing tool with the help of Stretching devices laid flat. Another possibility is the use of heating rods with saw-like sealing surface, but then there is a risk of hole formation.
• the sealing tool is closed over the film to be sealed, the welding is performed by a short burst. Compared to the hot-dip sticks, the time of exposure to heat is shorter and the excess heat is dissipated immediately.
• the sealing surface of the tool may still be covered by a thin, insulating film of heat-resistant material to prevent sticking of the sealed material.
• connection to the frame can be made on the inside of the packaging film, which is often coated with polypropylene.
• Fig. 5 shows such a connection of the frame with the inside of the packaging film.
• the frame with corresponding shaping elements, such as e.g. Noses or depressions to be provided which are arranged on, for example, two sides of the frame so that the corresponding mold elements can fit into each other and thus support the assembly of the cell block by promoting the proper alignment of the cells.
• corresponding shaping elements such as e.g. Noses or depressions to be provided which are arranged on, for example, two sides of the frame so that the corresponding mold elements can fit into each other and thus support the assembly of the cell block by promoting the proper alignment of the cells.
• the frames of the invention may be provided at suitable locations preferably with holes or other openings, can be introduced through the tie rods that hold the cell block together.
• Figures 1 to 4 show a preferred embodiment of the invention, in which the frame is preferably made of plastic and connected to the inside of the packaging film via a hot pressing.
• the connected to the frame half of the packaging film is in this embodiment over the other half circumferentially over, as shown in Fig. 5.
• Fig. 1 shows a three-dimensional view of a cell according to this embodiment with an integrated frame 102, with the
• FIG. 3 shows the same cell from the other side.
• reference numerals 201, 202 and 203 designate the trap, the frame and the package of the cell.
• FIG. 3 An exploded view of this cell with an integrated frame is shown in FIG. 3.
• a corresponding exploded view from the other side is shown in FIG. 4.
• the electrode stack 401 with the electrode bundles 404, 405 and the arresters 402, 403 attached thereto are enveloped and enclosed by the two parts 406, 407 of the film package and stabilized by the frame 408 ,
• FIG. 7 The basic structure of a typical packaging film for galvanic cells is shown in FIG. 7.
• An aluminum foil 702 is coated on one side with a polyamide 701 and on the other side with a polypropylene 703.
• Other films with other materials, layers or coatings are of course possible.
• FIG. 8 A preferred embodiment of a cell block of integrated frame galvanic cells according to the present invention is shown in Fig. 8.
• a complete cell block 801 is constructed by adding a cell block 802 under construction to further cells, e.g. the cell with frame provided with the reference numeral 803 is added.
• the cell 803 consists of the actual cell 804 with arresters 805, 806 which is frictionally connected to a frame 807.
• tie rods 808, 809, 810 and 811 are passed through corresponding holes in the frame.
• the frames are designed to be provided with structures such as tabs or grooves that provide centering or alignment of the cells facilitate, then the passage of the tie rods through the holes is greatly facilitated.
• the arresters are weight-saving wrapped around the frame or bent around, whereby a solid contact strip is unnecessary.
• Fig. 9 shows a detailed illustration of such a cell with arresters wrapped around the frames.
• the cell 901 has an arrester 904 wrapped around the frame 902.
• the frame is provided with a hole 903 for the passage of tie rods.
• Fig. 10 shows the same cell in an exploded view. Unlike shown in the figure, the arrester 1004 is bent around the frame only after attaching the frame 1002.
• Fig. 11 shows a cell block of galvanic cells of this embodiment.
• Fig. 12 is a sectional view of the cell block shown in Fig. 11; Attached to the cell head 1202 of a cell 1201 is an arrestor 1204, which is bent around the frame 1205 and electrically contacted with an arrester of the adjacent cell. The opposite arrester of the cell 1201 is not bent around the frame 1205 and therefore electrically insulated from the adjacent cell arrester 1206, which in turn electrically contacts a surge arrester of the next adjacent cell. In this way, it is possible to achieve a proper electrical shading of the arrester during cell block construction practically without further aids.
• the arresters 1304 of the cell 1301 are led out of the packaging parallel to the weld and contacted non-positively.
• the frame 1302 has a bore 1303 for the passage of a tie rod.
• An exploded view of this embodiment is shown in FIG. 14.
• the packaging of the cell 1401 has at its corners special surfaces 1405 suitable for hot pressing with the frame 1402.
• the arresters 1404 of the cell are in this case placed so that a proper contacting takes place automatically.
• the packaging corners of the cell can further with holes 1406 be provided for performing a tie rod, which are placed congruent with corresponding openings 1403 in the frame 1402.
• the electrode stack 1501 with deflectors 1502, 1503 is between an upper part 1506 of the package, a frame 1508 and a lower part 1507 of
• Packaging included. Upper part and lower part of the packaging are equipped with mold elements shown in Fig. 15, which support an automatic intended contact with the arrester.
• FIG. 16 shows three different cutting guides 16a, 16b and 16c through a galvanic cell shown in the lower part of FIG. 16a shows the section along the line 1907
• FIG. 16b shows the section along the line 1906
• FIG. 16c shows the section along the line 1905
• FIG. 16a shows the cell stack 1601 the cell heads 1602 and 1603
• Fig. 16b shows the aperture 1605 through the frame 1604
• Fig. 16c shows the section through the cell perpendicular to Fig. 16a.
• Fig. 17 shows an enlarged sectional view of the frame portion of this embodiment of the invention. Shown are the frame 1704 which is connected to both parts of the packaging film 702, 703 of the cell 701.
• Fig. 18 shows a cell stack of cells according to this embodiment of the invention.
• Fig. 20 shows a section through the cell block with the cut shown in the upper part of Fig. 19.
• FIG. 19 shows an enlargement of a section from this sectional view, in which it can be seen more clearly than in FIG. 20 that in this embodiment of the invention the space is used somewhat more efficiently.
• the arrester 2107 which electrically contacts the arrester 2108 of the adjacent cell, a nearly column-free structure of the cell block is made possible. Visible are the cell stack 2104, the underside of the package 2105, the top of the package 2106, the frame 2101 and 2103 with the opening 2102.

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

Priority Applications (5)

Applications Claiming Priority (2)

Publications (1)

Family

ID=42167305

Family Applications (1)

Country Status (8)

Cited By (1)

Families Citing this family (15)

Citations (4)

Family Cites Families (9)

• 2009
  • 2009-02-27 DE DE102009010794A patent/DE102009010794A1/de not_active Withdrawn
• 2010
  • 2010-03-01 CN CN201080009624XA patent/CN102334211A/zh active Pending
  • 2010-03-01 JP JP2011551446A patent/JP2012519349A/ja active Pending
  • 2010-03-01 KR KR1020117022491A patent/KR20120006984A/ko not_active Withdrawn
  • 2010-03-01 BR BRPI1007834A patent/BRPI1007834A2/pt not_active IP Right Cessation
  • 2010-03-01 EP EP10707466A patent/EP2401779A1/de not_active Withdrawn
  • 2010-03-01 US US13/203,252 patent/US20120135288A1/en not_active Abandoned
  • 2010-03-01 WO PCT/EP2010/001260 patent/WO2010097242A1/de not_active Ceased

Patent Citations (4)

Non-Patent Citations (1)

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