WO2014037168A1 - Cellule de stockage d'énergie électrique, module de stockage d'énergie électrique et procédé de production d'une cellule de stockage d'énergie électrique - Google Patents

Cellule de stockage d'énergie électrique, module de stockage d'énergie électrique et procédé de production d'une cellule de stockage d'énergie électrique Download PDF

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Publication number
WO2014037168A1
WO2014037168A1 PCT/EP2013/066184 EP2013066184W WO2014037168A1 WO 2014037168 A1 WO2014037168 A1 WO 2014037168A1 EP 2013066184 W EP2013066184 W EP 2013066184W WO 2014037168 A1 WO2014037168 A1 WO 2014037168A1
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WO
WIPO (PCT)
Prior art keywords
energy storage
sections
storage cell
cell
arrester
Prior art date
Application number
PCT/EP2013/066184
Other languages
German (de)
English (en)
Inventor
Martin Kessler
Andy Tiefenbach
Original Assignee
Robert Bosch 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 filed Critical Robert Bosch Gmbh
Priority to CN201380046092.0A priority Critical patent/CN104584274B/zh
Publication of WO2014037168A1 publication Critical patent/WO2014037168A1/fr

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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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
    • 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
    • H01M10/0436—Small-sized flat cells or batteries for portable equipment
    • 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
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
    • 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
    • H01M10/058—Construction or manufacture
    • H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
    • 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
    • H01M10/24—Alkaline accumulators
    • H01M10/28—Construction or manufacture
    • H01M10/281—Large cells or batteries with stacks of 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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/70—Carriers or collectors characterised by shape or form
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/42—Grouping of primary cells into batteries
    • H01M6/46—Grouping of primary cells into batteries of flat 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

  • Electric energy storage cell electrical energy storage module and method for producing an electrical energy storage cell
  • the invention relates to an electrical energy storage cell, an electrical
  • Energy storage cells designed to optimize the ohmic internal resistance and the specific energy and power density of the energy storage cells.
  • memory cells are connected in series or in parallel with each other to battery modules to set desired output parameters such as total voltage, voltage range, energy content or power density.
  • the document DE 10 2010 035 1 14 A1 discloses, for example, a battery unit with a multiplicity of cell units, each of which has accumulator cells which are electrically coupled via busbars.
  • Document EP 2 413 414 A2 discloses a battery cell with stacked anode and cathode foils in a foil housing which are connected via cathode and anode conductors to pole terminals of the battery cell. If currents with increasing alternating component are removed from such energy storage cells, the influence of the distributed inductance of the frequency increases depending on frequency
  • the inductive losses of an energy storage cell are composed of the individual components of the loss contributions of the electrodes, the Polverscnies and the arrangement of the electrodes in the housing. In addition, at
  • Energy storage cells may typically include one or more cell wraps integrated into their own or common housings. Usual forms of
  • Energy storage cells are cylindrical cells, pouch cells or flat cells. In this case, the energy storage cells on distributed inductors, which are due to the cell-internal interconnection, the Ableitergeometrie and the Polan say. If the energy storage cells are used for example in battery systems with integrated converter, so-called BDIs, these inductive components of the
  • the present invention provides in one aspect an electrical
  • Energy storage cell comprising a plurality of flat anode foils, which have a first storage portion and a first arrester portion, and a plurality of flat cathode foils, which have a second storage portion and a second arrester portion, wherein the anode foils and the cathode foils are stacked plane-parallel to each other, so that each first and second memory sections alternately overlap and form a memory cell stack, wherein the first
  • Memory cell stack protrude, wherein the first arrester sections are folded relative to the first memory sections in each case about a first fold line and aligned parallel along the first side surface of the memory cell stack, and wherein the second arrester sections opposite the second memory sections in each case by a second Folded fold line and aligned in parallel along the second side surface of the storage cell stack.
  • the present invention according to another aspect provides an electrical
  • Energy storage module with at least two energy storage cells according to the invention, the Zellpolanischen are coupled to module pole terminals of the energy storage module.
  • the present invention provides a method of manufacturing an electrical energy storage cell, comprising the steps of alternately disposing a plurality of sheet-like anode foils comprising a first
  • Memory portion and a first arrester portion and a plurality of flat cathode foils having a second memory portion and a second arrester portion, wherein the anode foils and the cathode foils are stacked plane-parallel to each other, so that the first and second memory portions each overlap alternately and form a memory cell stack, folding the first arrester sections, which extend beyond a first side surface of the memory cell stack by a first overhang length, opposite the first memory sections about a first fold line and parallel alignment of the first arrester sections along the first side surface of the memory cell stack, and folding the second arrester sections which around one second overhang length protrude beyond a second, the first side surface opposite side surface of the storage cell stack, compared to the first storage sections to a second fold line and parallel alignment of the second arrester sections along the second side surface of the storage cell stack.
  • the energy storage cells of the electrical energy storage module are arranged in a suitable manner such that the number of contact transitions between the individual interconnected energy storage cells and housing parts minimized and the lead-out of the electrode leads is optimized from the electrically active region.
  • anode and cathode foils are stacked alternately overlapping one another in an energy storage region, so that in each case arrester regions on opposite sides of the resulting foil stack Anoden- or cathode foils form a suitably dimensioned supernatant.
  • the protruding film areas can then be taken together and over
  • a significant advantage is that the energy loss can be significantly reduced, especially in the removal of high frequency alternating current from the energy storage cell.
  • BDI battery direct inverter
  • Energy storage cells is improved by the delay of the energy or
  • Load output of the energy storage cells is minimized after load changes.
  • otherwise possibly compensating components such as, for example, buffer capacitors, which can reduce the space requirement and the manufacturing costs of components which insert energy storage cells.
  • the electromagnetic compatibility can be improved because the emitted electromagnetic fields can be reduced and interference on adjacent electronic components can be reduced. Furthermore, ohmic losses, for example, due to the skin effect, largely reduced, which is advantageously associated with increased efficiency and lower heat generation.
  • the filling of the cell housing can be optimized because of the
  • the volume of the dead spaces can be minimized.
  • the first and second arrester sections may comprise first and second cell pole terminals of the first and second arrester sections
  • the first and second arrester sections may each comprise first and second cell pole sections at the opposite sides of the anode foils and cathode foils, the first cell pole sections folded against the first arrester sections respectively around a third fold line and parallel along be aligned with a third side surface of the memory cell stack, and the second Zellpolabroughe opposite the second Ableiterabroughen each folded around a fourth fold line and aligned in parallel along the third side surface of the memory cell stack.
  • the first and second cell pole sections may include first and second cell pole terminals of the energy storage cell at the third side surface of the cell
  • Training storage cell stack This allows the junction of the pole terminals on a side surface of the memory cell stack, so that the area enclosed by the pole terminals as small as possible and the connection inductance is thus as small as possible.
  • the first and second arrester sections may each comprise first and second cell pole sections at the opposite sides of the anode foils and cathode foils, the first cell pole sections folded against the first arrester sections respectively around a third fold line and parallel along be aligned with the first or second side surface of the memory cell stack, and the second Zellpolabterrorisme opposite the second Ableiterabterrorismen each folded around a fourth fold line and aligned in parallel along the first or second side surface of the memory cell stack.
  • Zellpolabitese first and second Zellpolan give the energy storage cell at the first or second side surface of the memory cell stack form. This allows the junction of the pole terminals on a side surface of the memory cell stack, so that the area enclosed by the pole terminals as low as possible and the
  • the energy storage cell can be aligned with cell pole connections pointing upwards, so that the first and second memory sections of the anode foils or Cathode films in the storage cell stack stand upright, that is, vertical to the
  • the third and fourth fold lines can run parallel to the first and second fold lines.
  • the third and fourth fold lines may be perpendicular to the first and second fold lines. This can be done in a flexible way different
  • Memory cell stack to be installed in an energy storage module or a cell housing.
  • the first and second cell pole sections may each have a width that is smaller than the width of the first and second arrester sections.
  • the energy storage cell may further comprise a plurality of Separator harshen, which are arranged plane-parallel in the memory cell stack between one of the anode foils and one of the cathode foils.
  • Fig. 1 is a schematic representation of a precursor for producing a
  • FIG. 2 shows a schematic representation of an intermediate stage for producing an electrical energy storage cell according to the first embodiment of the invention
  • FIG. 3 is a schematic representation of an electrical energy storage cell according to the first embodiment of the invention; a schematic representation of a precursor for producing an electrical energy storage cell according to a second embodiment of the invention; a schematic representation of an intermediate stage for producing an electrical energy storage cell according to the second embodiment of the invention; a schematic representation of an electrical energy storage cell according to the second embodiment of the invention; a schematic representation of a precursor for producing an electrical energy storage cell according to a third embodiment of the invention; a schematic representation of an intermediate stage for producing an electrical energy storage cell according to the third embodiment of the invention; a schematic representation of an electrical energy storage cell according to the third embodiment of the invention; a schematic representation of an electrical energy storage cell according to the third embodiment of the invention; a schematic representation of a precursor for producing an electrical energy storage cell according to a fourth embodiment of the invention; a schematic representation of an electrical energy storage cell according to the fourth embodiment of the invention; a schematic representation of an energy storage module with electrical energy storage cell according to a fifth embodiment of the invention; a schematic representation of a method
  • Electric energy storage cells in the sense of the present invention include all devices which store electrical energy over a predefined period of time and can deliver it again over a further period of time.
  • Energy storage cells in the context of the present invention encompass all types of secondary and primary energy stores, in particular electrically capacitive, electrochemical
  • Electrical energy storage cells can be, for example, lithium-ion cells, lithium-polymer cells, nickel-metal hydride cells, ultracapacitors, supercapacitors, power capacitors, BatCaps, batteries based on lead, zinc, sodium, lithium, magnesium, sulfur or other metals, Elements or alloys, or include similar systems.
  • the functionality of the electrical energy storage cells encompassed by the invention can be based on intercalation electrodes,
  • Reaction electrodes or alloy electrodes in combination with aqueous, aprotic or polymeric electrolytes are based.
  • the construction of electrical energy storage cells in the sense of the present invention can be both different outer structures, such as
  • Electrode assemblies such as wound, stacked, folded or other structures include.
  • Electrode foils in the sense of the present invention may consist of various electrically conductive, for example metallic materials such as copper, aluminum,
  • Electrode foils in particular anode foils and / or cathode foils in the sense of the present invention, can be coated and / or produced with a large active surface area.
  • the electrode films can be designed to lie flat and plane-parallel to one another.
  • the electrode foils can be flexible or flexible and can be folded or folded at predetermined folding or folding lines such that first planar regions of the electrode foils span a plane that is at an angle to second planar regions of the electrode foils.
  • the electrode films may have different dimensions, for example, the thickness of electrode elements may have orders of magnitude of a few ⁇ to several mm.
  • the electrode elements may be folded, stacked or wound, and it may be provided to form insulation or separation layers between the electrode films which galvanically separate the electrode films from one another and can separate the electrolyte into individual regions within the cell housing. It may also be possible to build up the electrode foils in bipolar form.
  • the planar shape of the electrode films can be square, rectangular, round, elliptical or any other design.
  • Electric energy storage modules comprise components which have one or more electrical energy storage cells in a housing, wherein the electrical energy storage cells are suitably electrically coupled to one another in order to ensure a serial or parallel connection of the energy storage cells.
  • Electrical energy storage modules can have module connections to which an output voltage dependent on the internal connection of the electrical energy storage cells of the electrical energy storage module can be tapped off.
  • Housing according to the present invention comprise all components which have a recess for receiving one or more electrical energy storage cells and the electrically conductive interconnection elements of the electrical energy storage cells, and which can mechanically and / or electrically shield the recorded energy storage cells and elements from the outside world.
  • Housing can be electrically conductive materials, not electrically or only poorly conductive Materials or combinations of sub-areas of such materials, such as plastics, metals, alloys of metals.
  • the shape and size of the housing can be adapted to the recorded energy storage cells and elements.
  • the energy storage cell 10 comprises a multiplicity of planar anode foils 1 a which have a first storage section 2 and a first arrester section 2 a, as well as a multiplicity of planar ones
  • Cathode foils 1 b which a second memory section 2 and a second
  • Ableiterabêt 2b have.
  • the first memory section 2 is the right-side surface area of the anode foils 1 a
  • the second memory section 2 is the left-side area area of the cathode foils 1 b.
  • the anode foils 1 a and cathode foils 1 b are each stacked plane-parallel to each other, so that the first and second memory sections 2 each overlap alternately and form a memory cell stack 4.
  • the anode foils 1 a and cathode foils 1 b may, for example, have a rectangular, square, parallelogram-shaped, trapezoidal or strip-shaped form.
  • the number of anode foils 1 a and 1 b cathode foils is shown in Fig. 1 with three, but their number is not limited in principle.
  • the number of anode foils 1a and cathode foils 1b may be the same in each case, so that pairs of anode foils 1a and cathode foils 1b may be formed in the memory cell stack 4.
  • the pairs of anode foils 1a and cathode foils 1b can each be separated by a layer of a separator layer 3, which are arranged plane-parallel in the memory cell stack 4 between one of the anode foils 1a and one of the cathode foils 1b.
  • the anode foils 1 a and cathode foils 1 b can be galvanically separated from one another within the energy storage cell 10 by the separator layers 3.
  • the separator layers 3 are used in particular to separate the electrolyte into segments, so that a certain electrical potential difference within this
  • Segements in the electrolyte is not exceeded. These may, for example, have thin layers of electrically non-conductive or only slightly conductive materials.
  • the anode foils 1 a and cathode foils 1 b may, for example, be flat layers of electrically conductive material, which are meshed with one another in a comb-like structure. It should be understood that there is a plethora of possibilities to arrange the anode foils 1 a and cathode foils 1 b in a memory cell stack 4, and that the selection of an arrangement from the memory technology used, the Boundary conditions with respect to the outer shape of the energy storage cell 10 and / or to be achieved electrical characteristics of the energy storage cell 10 may be dependent. For example, it may be advantageous to design the storage cell stack 4 in such a way that the inner volume of the energy storage cell 10 is maximally utilized.
  • the first and second arrester sections 2a, 2b are in each case those sections which are overlapped by first and second overhang lengths via a first side surface 4a of the storage cell stack 4 (shown on the left in FIG. 1) or via a second (shown on the right in FIG. 1), the first side surface 4a opposite side surface 4b of the
  • Memory cell stack 4 protrude.
  • the first arrester sections 2 a can be folded relative to the first memory sections 2 in each case around a first fold line or fold axis E and aligned parallel along the first side face 4 a of the storage cell stack 4.
  • the second arrester sections 2b may be folded relative to the second storage sections 2, respectively, about a second fold line C and aligned parallel along the second side face 4b of the storage cell stack 4.
  • the folding steps are indicated schematically in FIG. 1 by E1 or C1.
  • the first and second arrester sections 2a, 2b can be superimposed and connected to each other at the ends projecting beyond the storage cell stack 4, for example via gluing, welding, soldering or similar joining techniques.
  • the length of the supernatants can, depending on the position of the anode foils 1 a or cathode foils 1 b in the
  • Memory cell stack 4 are adapted so that after folding the first and second Ableiterabête 2 a, 2 b, the projecting supernatant shown in Fig. 2 each terminates flush.
  • Faltgeometrie can continue to minimize the distance between the side surfaces 4a and 4b of the storage cell stack 4 to the side surfaces of a not shown in Figs. 1 to 3 cell housing.
  • a plurality of storage cell stacks 4 can also be stacked on top of one another and along the side surfaces 4a, 4b of the resulting total stack are easily connected to each other electrically.
  • the first and second arrester sections 2a, 2b may have first and second cell pole sections 6a and 6b, respectively, on the sides of the anode foils 1a and cathode foils 1b opposite the first and second memory sections 2, respectively.
  • These cell pole portions 6a and 6b may protrude beyond a plane formed by a third side surface 4c of the storage cell stack 4, and folded along third fold lines - the fold line F for the first cell pole portions 6a and the fold line D for the second cell pole portions 6b - onto the third side surface 4c of the storage cell stack 4 are folded.
  • Fig. 3 shows a schematic representation of a fully folded electrical
  • Memory cell stack 4 are aligned.
  • the first and second cell pole sections 2a, 2b are dimensioned so that, when folded in accordance with the folding operations F1 or D1 illustrated in FIG. 2, the cell pole sections 2a and 2b do not overlap
  • the first and second cell pole sections 2 a, 2 b respectively form first and second cell pole terminals 5 a and 5 b of the energy storage cell 10 on the third side surface 4 c of the storage cell stack 4.
  • the cell pole connections 5a and 5b can each be led out of a (not explicitly shown) cell housing of the energy storage cell 10 in order to minimize the distance between the storage cell stack 4 and the cell housing.
  • the separate contact elements can be configured, for example, as areal connection pads which minimize the overall height of the energy storage cell 10 and keep the contact between the first and second cell pole sections 2a, 2b and the contact elements as low-impedance or low-inductance as possible.
  • the cell pole connections 5a, 5b are implemented in such a way that at least one of the cell pole connections 5a, 5b is electrically insulated from the cell housing. In this case, for example, a metallic cell housing or a cell housing made of an insulating material such as plastic may be used.
  • the energy storage cell 10 For example, it may be enclosed by a prismatic cell housing. However, it will be understood that any other shape for the cell housing is also possible, and that this shape may be, for example, the dimensions of the enclosed ones
  • Energy storage cell 10 may be dependent.
  • the energy storage cell 10 in Fig. 3 has Zellpolan Why 5a, 5b, which lie in a plane with the planes of the anode foils 1a and 1 b cathode foils, that is, the third side surface 4c is plane-parallel to the surface area of the anode foils 1a and cathode foils 1 b.
  • the cell pole terminals 5a, 5b of the energy storage cell 10 face upward, the respective pairs of electrode sheets of the storage cell stack 4 are not upright.
  • FIGS. 14 and 15 differs from the representations of the pre-and intermediate stages in FIGS. 1 to 3 substantially in that the cathode foils 1 b in a folding movement C2 about the folding axis C not only along the second side surface 4 b of the storage cell stack 4, but also folded around a fourth side surface 4d.
  • the anode foils 1a are folded along the first side surface 4a in a folding movement E2 about the folding axis E, so that the protruding first and second cell pole sections 6a and 6b are perpendicular to the first side surface 4a.
  • FIG. 4 shows a schematic representation of a further precursor for the production of an electrical energy storage cell 10.
  • FIGS. 5 and 6 then show, analogously to FIGS. 2 and 3, an intermediate stage and a completely folded energy storage cell 10 Energy storage cell 10 to the illustrated in FIGS. 1 to 3 energy storage cell 10 is that the first and second
  • Zellpolabroughe 2c, 2d of the anode foils 1 a and cathode foils 1 b have a width which is in each case smaller than the width of the first and second arrester sections 2a and 2b.
  • the ableitabrough solutionen end portions of the anode foils 1a and cathode foils 1b each have L-shaped recesses, so that Tapered cell pole sections 2c and 2d are attached to the first and second arrester sections 2a and 2b.
  • These cell pole sections 2c and 2d, respectively, can be rotated by 90 ° with respect to the cell pole connection geometry in FIG. 3 in the folds F1 or D1, as shown in FIG. 6, that is to say the cell pole connections 5a, 5b face each other in a separation line which is opposite to the cell pole connections 5a, 5b corresponding separating line is rotated in Fig. 6 by 90 °.
  • FIG. 7 shows a schematic representation of a further preliminary stage for the production of an electrical energy storage cell 10.
  • FIGS. 8 and 9 then show an intermediate stage and a completely folded energy storage cell 10 analogous to FIGS. 5 and 6.
  • the essential difference of the energy storage cell 10 to the energy storage cell 10 illustrated in FIGS. 4 to 6 is that the cell pole sections 2 c and 2 d protrude in the manner of a tab over the plane defined by the front side surface 4 d of the storage cell stack 4. Consequently, the third fold line B to which the
  • Zellpolabitese 2c and 2d are folded in the folding operations B1 and B2 are not parallel to the first and second fold lines C and E as in the Faltgeometrien of Fig. 1 to 3 or 4 to 6, but is perpendicular to the first and second fold lines C and E.
  • the cell pole terminals 5a, 5b are formed on the side surface 4d, and when the energy storage cell 10 is rotated by 90 ° so that the cell pole terminals 5a, 5b face upward on the side surface 4d, the anode foils 1a and 11b are formed.
  • the two directions of rotation may be in the same direction, so that the first arrester portions 2c cover the first side surface 4a and the second arrester portions 2d cover the second side surface 4b.
  • the cell pole sections 2c and 2d are then viewed from different sides of the
  • Memory cell stack 4 folded against each other on the side surface 4d.
  • FIG. 10 shows a schematic representation of a further precursor for the production of an electrical energy storage cell 10.
  • FIG. 1 1 shows a completely folded energy storage cell 10 analogous to FIGS. 2, 5 and 8, respectively.
  • the essential difference of the energy storage cell 10 to the energy storage cell 10 illustrated in FIGS. 1 to 3 is that the anode foils 1a and cathode foils 1b have no cell pole sections. Instead, the first and second arrester sections 2a, 2b serve directly as first and second Zellpolan say 5a, 5b of the energy storage cell 10 at the first and second side surfaces 4a, 4b of the storage cell stack 4th
  • FIG. 12 shows a schematic representation of an electrical energy storage module 20, which has an arrangement of electrical energy storage cells 10.
  • Arrangement of electrical energy storage cells 10 may for example
  • Energy storage cells 10 for the electric energy storage module 20 is also possible.
  • the electrical energy storage module 20 has, for example, a module housing 21, shown in transparent form, from which module pole connections 22a, 22b are brought out of the module housing 21 at the end cell-pole connections 5a, 5b.
  • the module pole terminals 22a, 22b may be, for example, flat contact elements, of which at least one is electrically insulated from the module housing 21.
  • FIGS. 1 to 12 show only exemplary embodiments of energy storage modules 20 and energy storage cells 10. Variations and
  • Design criteria are designed. In general, it is advantageous to keep the distances between current-carrying elements of both polarities as low as possible in order to minimize the active surface area enclosed by these elements. This means that the inductive impedance of the current-carrying elements inside the energy storage cells 10 can be minimized. Moreover, it is advantageous to design the current-carrying elements as large as possible in order to distribute the current density as homogeneously as possible. Is an ideal area, close fitting to the active areas of the electrode elements Polutton mich only under certain conditions possible, such as safety requirements or technical constraints, so it is at least to pay attention to the merger of the current-carrying
  • Energy storage cells 10 with the housing to minimize by suitable internal module interconnection of the energy storage cells. This reduces the ohmic line resistances, which in turn, both in DC operation and in the AC operation results in a minimization of Ohmic losses, especially due to the skin effect.
  • the illustrated energy storage modules 20 and energy storage cells 10 can be used in systems in which alternating currents of high frequency are taken from the energy storage cells 10, for example in battery direct converters with drive frequencies above approximately 100 Hz.
  • alternating currents of high frequency are taken from the energy storage cells 10, for example in battery direct converters with drive frequencies above approximately 100 Hz.
  • inductive losses can occur be minimized due to the high AC frequency.
  • the response of the energy storage cells 10 improves in the short-term range, which significantly improves the dynamics and reliability of the systems.
  • FIG. 13 shows a schematic representation of a method 30 for producing an electrical energy storage cell 10, in particular one of the energy storage cells 10 shown schematically in FIGS. 1 to 11.
  • a first step 31 an alternating arrangement of a multiplicity of planar anode foils 1 a takes place. which have a first storage section 2 and a first arrester section 2a, and a multiplicity of flat cathode films 1b, which have a second storage section 2 and a second discharge section 2b.
  • the anode foils 1 a and the cathode foils 1 b are stacked so that they are plane-parallel to each other that the first and second memory sections 2 each overlap alternately and form a memory cell stack 4.
  • a second step 32 the first arrester sections 2 a fold, which project beyond a first side surface 4 a of the storage cell stack 4 by a first overhang length, opposite the first memory sections 2 around a first fold line E and a parallel alignment of the first arrester sections 2 a along the first side surface 4a of the memory cell stack 4.
  • a folding 33 of the second arrester sections 2b which protrude by a second overhang length over a second, the first side surface 4a opposite side surface 4b of the memory cell stack 4, opposite the first memory sections 2 to a second fold line C and a parallel alignment of the second arrester sections 2b along the second

Abstract

L'invention concerne une cellule de stockage d'énergie électrique (10) comprenant une pluralité d'anodes en feuille planes (1a) présentant une première section de stockage (2) et une première section de déviation (2a), et une pluralité de cathodes en feuille planes (1b) présentant une deuxième section de stockage (2) et une deuxième section de déviation (2b), les anodes en feuille (1a) et les cathodes en feuille (1b) étant empilées de manière plane et parallèle de manière que les premières et deuxièmes sections de stockage (2) se chevauchent respectivement en alternance de manière à former un empilement de cellule de stockage (4), les premières sections de déviation (2a) faisant saillie d'une première longueur en porte-à-faux par rapport à une première face latérale (4a) de l'empilement de cellule de stockage (4) et les deuxième sections de déviation (2b) faisant saillie d'une deuxième longueur en porte-à-faux par rapport à une deuxième face latérale (4b) de l'empilement de cellule de stockage (4) opposée à ladite première face latérale (4a), les premières sections de déviation (2a) étant pliées respectivement au niveau d'une première ligne de pliage (E) par rapport aux premières sections de stockage (2) et orientées parallèlement aux premières faces latérales (4a) de l'empilement de cellule de stockage (4), et les deuxièmes sections de déviation (2b) étant pliées respectivement au niveau d'une deuxième ligne de pliage (C) par rapport aux deuxièmes sections de stockage (2) et orientées parallèlement aux deuxièmes faces latérales (4b) de l'empilement de cellule de stockage (4).
PCT/EP2013/066184 2012-09-05 2013-08-01 Cellule de stockage d'énergie électrique, module de stockage d'énergie électrique et procédé de production d'une cellule de stockage d'énergie électrique WO2014037168A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201380046092.0A CN104584274B (zh) 2012-09-05 2013-08-01 电能存储电池、电能存储模块以及用于制造电能存储电池的方法

Applications Claiming Priority (2)

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DE102012215750.6A DE102012215750A1 (de) 2012-09-05 2012-09-05 Elektrische Energiespeicherzelle, elektrisches Energiespeichermodul und Verfahren zum Herstellen einer elektrischen Energiespeicherzelle
DE102012215750.6 2012-09-05

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WO2014037168A1 true WO2014037168A1 (fr) 2014-03-13

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DE (1) DE102012215750A1 (fr)
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105164846A (zh) * 2014-03-26 2015-12-16 日本麦可罗尼克斯股份有限公司 堆叠型二次电池
EP3065203A1 (fr) * 2015-03-06 2016-09-07 Samsung SDI Co., Ltd. Batterie rechargeable
DE102015216771A1 (de) 2015-09-02 2017-03-02 Robert Bosch Gmbh Kondensator, insbesondere Zwischenkreiskondensator für ein Mehrphasensystem

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017213377A1 (de) * 2017-08-02 2019-02-07 Robert Bosch Gmbh Batteriezelle mit separatorseitig und/oder stirnseitig kontaktiertem Anodenschichtüberstand und/oder Kathodenschichtüberstand
JP7041048B2 (ja) * 2018-12-13 2022-03-23 本田技研工業株式会社 積層型電池および積層型電池の製造方法
DE102021111378A1 (de) 2021-05-03 2022-11-03 Bayerische Motoren Werke Aktiengesellschaft Elektrodenstapel für eine Batteriezelle, Batteriezelle und Verfahren zur Herstellung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409304A (en) * 1981-02-27 1983-10-11 Compagnie Generale Des Etablissements Michelin Electrochemical device comprising at least two cells connected in electrical series
JP2002141055A (ja) * 2000-11-06 2002-05-17 Mitsubishi Chemicals Corp 平板積層型電池
US20020146620A1 (en) * 2001-04-06 2002-10-10 Ntk Powerdex, Inc. Method of joining current collectors in a multi-layer cell
JP2003338275A (ja) * 2002-05-21 2003-11-28 Nissan Motor Co Ltd 二次電池モジュール
US20110117418A1 (en) * 2007-08-06 2011-05-19 Daimler Ag Individual Cell for a Battery and Method for the Production Thereof
US20120121965A1 (en) * 2010-11-17 2012-05-17 Sony Corporation Secondary battery, battery unit, and battery module

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5537111B2 (ja) 2009-09-30 2014-07-02 株式会社東芝 二次電池装置
DE102010032414A1 (de) 2010-07-27 2012-02-02 Ads-Tec Gmbh Pouchzelle mit Ableitern

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409304A (en) * 1981-02-27 1983-10-11 Compagnie Generale Des Etablissements Michelin Electrochemical device comprising at least two cells connected in electrical series
JP2002141055A (ja) * 2000-11-06 2002-05-17 Mitsubishi Chemicals Corp 平板積層型電池
US20020146620A1 (en) * 2001-04-06 2002-10-10 Ntk Powerdex, Inc. Method of joining current collectors in a multi-layer cell
JP2003338275A (ja) * 2002-05-21 2003-11-28 Nissan Motor Co Ltd 二次電池モジュール
US20110117418A1 (en) * 2007-08-06 2011-05-19 Daimler Ag Individual Cell for a Battery and Method for the Production Thereof
US20120121965A1 (en) * 2010-11-17 2012-05-17 Sony Corporation Secondary battery, battery unit, and battery module

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105164846A (zh) * 2014-03-26 2015-12-16 日本麦可罗尼克斯股份有限公司 堆叠型二次电池
EP3065203A1 (fr) * 2015-03-06 2016-09-07 Samsung SDI Co., Ltd. Batterie rechargeable
CN105938913A (zh) * 2015-03-06 2016-09-14 三星Sdi株式会社 可再充电电池
KR20160107972A (ko) * 2015-03-06 2016-09-19 삼성에스디아이 주식회사 이차 전지
US9570733B2 (en) 2015-03-06 2017-02-14 Samsung Sdi Co., Ltd. Rechargeable battery
KR102361704B1 (ko) * 2015-03-06 2022-02-09 삼성에스디아이 주식회사 이차 전지
DE102015216771A1 (de) 2015-09-02 2017-03-02 Robert Bosch Gmbh Kondensator, insbesondere Zwischenkreiskondensator für ein Mehrphasensystem
US10079094B2 (en) 2015-09-02 2018-09-18 Robert Bosch Gmbh Capacitor, in particular an intermediate circuit capacitor for a multi-phase system

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CN104584274A (zh) 2015-04-29
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