EP2564460A1 - Élément d'accumulateur d'énergie - Google Patents

Élément d'accumulateur d'énergie

Info

Publication number
EP2564460A1
EP2564460A1 EP11714043A EP11714043A EP2564460A1 EP 2564460 A1 EP2564460 A1 EP 2564460A1 EP 11714043 A EP11714043 A EP 11714043A EP 11714043 A EP11714043 A EP 11714043A EP 2564460 A1 EP2564460 A1 EP 2564460A1
Authority
EP
European Patent Office
Prior art keywords
center
energy storage
side surfaces
extension
circumference
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP11714043A
Other languages
German (de)
English (en)
Inventor
Peter Birke
Michael Schiemann
Olaf BÖSE
Hans-Georg Schweiger
Michael Keller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Continental Automotive GmbH
Original Assignee
Continental Automotive 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 Continental Automotive GmbH filed Critical Continental Automotive GmbH
Publication of EP2564460A1 publication Critical patent/EP2564460A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/78—Cases; Housings; Encapsulations; Mountings
    • H01G11/82—Fixing or assembling a capacitive element in a housing, e.g. mounting electrodes, current collectors or terminals in containers or encapsulations
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/22—Electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/74—Terminals, e.g. extensions of current collectors
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/647—Prismatic or flat cells, e.g. pouch cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/651—Means for temperature control structurally associated with the cells characterised by parameters specified by a numeric value or mathematical formula, e.g. ratios, sizes or concentrations
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/552—Terminals characterised by their shape
    • H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
    • H01M50/557—Plate-shaped terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/562—Terminals characterised by the material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/402—Lighting for industrial, commercial, recreational or military use for working places
    • 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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
    • H01M50/50—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
    • 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
    • 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
    • Y02E60/13—Energy storage using capacitors
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the invention relates to an energy storage cell in particular ⁇ sondere can be used in motor vehicles of all kinds. Particularly suitable is the energy storage cell for hybrid or electric vehicles.
  • hybrid or electric vehicle refers to vehicles that are inherently driven in whole or in part by electrical energy.
  • Electric vehicles with hybrid drive, and hybrid vehicles overall Nannt have an internal combustion engine, an electric machine and one or more elektrochemi ⁇ cal / electrical energy storage.
  • Electric vehicles with fuel cells generally have at least one fuel cell for energy conversion, a tank for liquid or gaseous energy carriers, an electrochemical / electrical
  • the electric machine of the hybrid vehicle is usually designed as a starter / generator and / or electric drive.
  • a starter / generator it replaces the normally existing starter and alternator.
  • an additional Drehmo ⁇ ment that is, an acceleration torque to propel the vehicle toy are contributed by the electrical machine.
  • a generator it enables a recuperation of braking energy and onboard power supply.
  • hybrid In a pure electric vehicle, the drive power is provided solely by an electric machine.
  • vehicle types Two vehicle types, hybrid and electric vehicle, have in common that large amounts of electrical energy provided and must be transfe ⁇ riert.
  • hybrid controller The control of the energy flow via an electronic ⁇ nik, generally called hybrid controller. Among other things, it regulates whether and in what quantity the energy store should be taken or supplied with energy.
  • the energy extraction from the energy storage is generally used to represent drive power and to supply the vehicle electrical system.
  • the energy supply serves to charge the memory or to convert braking energy into electrical energy, i. regenerative braking.
  • the energy storage for hybrid applications can be recharged while driving.
  • the energy required for this is provided by the internal combustion engine.
  • Energy storage cells may be, for example, lead-acid batteries, double-layer capacitors, nickel-zinc, nickel-metal hydride and / or lithium-ion cells.
  • the lithium-ion cells are housed in most cases in a gas-tight metal housing.
  • This has a battery cell which is surrounded by a foil, typically an aluminum composite foil packaging.
  • energy storage cells For use in motor vehicles, energy storage cells should satisfy in particular three conditions. On the one hand, the current-carrying capacity of the entire cell, in particular via internal and external discharge electrodes, should be sufficiently high, since peak currents of over 400 A can occur, depending on the size of the vehicle and the power requirements. In addition, an efficient cooling / heat dissipation of Zel- le should be ensured and its addition to the cells compact ⁇ order, in particular to facilitate use in best ⁇ Henden standard installation spaces in motor vehicles for
  • Starter batteries (H7, H8) is an advantage.
  • Object of the present invention is to provide a Energyspei ⁇ cherzelle that meets the above conditions, ie on the one hand high current carrying capacity made possible and on the other hand is effectively coolable and compact to arrange ⁇ .
  • An energy storage cell has a cell body, which expands in an area flat surface. So such a flat cell body has a front surface and a rear surface, which can be viewed at ⁇ de than the extension area in de ⁇ the cell body NEN stretching area.
  • the obverse surface and the back surface of the cell body have ⁇ nor mally identical contours and shapes and are paral lel ⁇ superposed. Between the front side surface and the rear side surface side surfaces are arranged along the edges of the front side surface and the rear side surface.
  • Front surface, back surface and 39flä ⁇ Chen include the interior of the cell body.
  • the front surface and the back surface including that surface in which the cell body extends flat, are rectangular, with such a shape being considered rectangular having two mutually perpendicular pairs of parallel opposite edges, however Rounded corners of the rectangle or beveled.
  • the cell body that expands surface means here that the edge length of the front surface and the back surface is significantly greater than the distance between the front side For ⁇ ten Design from the rear side surface.
  • two edges extend each side surface along edges of the front surface side or stuntiva ⁇ surface.
  • the vertical edges of the corresponding side surfaces then have just the length of the width of the cell body.
  • the side surfaces in the region of the rounded edges follow the rounded or bevelled shape of the edges of the front surface or back surface. If reference is made in the following to the corresponding edges which are perpendicular to the front side surface and rear side surface, the center of the rounding or bevel is to be understood with regard to the position of these edges in the case of rounded edges.
  • the energy storage cell according to the invention has at least one first and at least one second discharge electrode, wherein normally one of the electrodes is a positive electrode and one of the electrodes is a negative electrode.
  • Inventive ⁇ according to the recording electrodes are arranged on a side surface of the cell body or on two opposite parallel side surfaces of the cell body.
  • the drain electrodes in a cross section parallel to the front surface or back surface of the cell body
  • the so-electrode body remotely through the corresponding side wall into the interior of the cell body extending therethrough to, preferably below, unless the Ab ⁇ lead electrodes, reference is made to the geometry, only that part of the elec- what is outside the cell body.
  • the first and second discharge electrodes are now arranged on the same side surface of the cell body.
  • the bleeder ⁇ electrodes are arranged symmetrically to a center of the corresponding side surface in the direction of the circumference of the cell body, which runs parallel to the edges of the front surface side and the back side surface.
  • the center of the side surface is therefore that point which bisects the corresponding edge along the front face and rear face pa ⁇ rallelen edges.
  • the pick-up electrodes in the embodiment are arranged with two disposed on a side surface of lead electrodes and configured such that a point of contact that side edge of the first and the second lead electrode, which is to be ⁇ facing the center, with the center of the respective side surface forms an angle ⁇ to a Center of the surface in which the cell body expands flat, ie the front side surface or the rear side surface of 10 ° ⁇ ⁇ 36 ° ⁇ includes.
  • an angle ⁇ which is the point of contact of the side edges of the first and the second derivative electrode, which faces away from the center of the side surface, encloses the center of the side surface around the center of the extension surface in which the cell body extends, 8 ° ⁇ ⁇ 45 °.
  • Such configured cells can also be well interconnected to a cell pack (battery) with efficient cooling.
  • a ratio of twice the distance between the point of contact of the center-facing edge with the corresponding end face and the point of contact of the center-facing edge with the corresponding side face (ie the width of the diverter electrode) to the length of the corresponding side face is between 1: 2 and 4 : 5, preferably 2: 3.
  • the width of the diverting electrode is selected parallel to that side surface on which they are arranged so that the ratio of twice the width to the length of the corresponding side surface along the edge of the Extent surface is between 1: 2 and 4: 5 and preferably 2: 3. It is essentially the numerical value of the ratio of importance. This is chosen so that good Stromtragfä ⁇ skills and high politiciansableit refineen be achieved.
  • the first and the second discharge electrode are arranged on opposite side surfaces of the cell body.
  • the discharge electrodes extend symmetrically to the center of the side surface on which they are arranged, wherein the center of the side surface is defined as described above.
  • the Ableitelektroden here are rectangular in a surface parallel to the extension surface of the cell body, wherein two Edges parallel to the corresponding side surface and two edges are perpendicular thereto.
  • the lead electrodes are now so arranged and designed that those Berüh ⁇ approximately points of the corresponding side surface of the vertical side edges of the lead electrodes with the corresponding side surface on the one hand and the middle of the respective sides ⁇ surface on the other hand to the center of the area of extent of the cell body including an angle ⁇ with ⁇ > 20 °, preferably ⁇ 30 °, more preferably ⁇ 40 ° and / or ⁇ 60 °, preferably ⁇ 50 °.
  • those edges of the discharge electrodes which face away from the corresponding side surface and thus are not arranged on the corresponding side surface and which, moreover, are not parallel to the circumference of the extension surface (ie normally perpendicular to the extension surface) close to the center of the corresponding sides ⁇ surface forms an angle ⁇ about the center of Trustreckungsflä ⁇ che of ⁇ > 25 °, preferably 35 ° ⁇ and / or ⁇ 55 °, preferably 45 ⁇ °.
  • an angle ß between those corners of the extension surface which those that limit the Ableitelektro ⁇ having side surfaces, and the center of the respective side surface 40 ° ⁇ ß selects preferably ⁇ 60 ° ge ⁇ .
  • ⁇ is 45 ° and / or ⁇ 55 °.
  • An energy storage cell may have inside the cell body a plurality of internal Abieitern, with which power can be derived from the energy storage cell.
  • Kgs ⁇ NEN all Abieiter a given polarity to the corresponding outer lead electrode of the same polarity to be connected. It is preferred in this case, if a
  • One of the diverter electrodes may be a positive diverter electrode comprising or made of aluminum.
  • the other Ableitelektrode may be a negative Ableitelektrode, the copper, preferably nickel-plated copper, or there ⁇ out.
  • the specific conductivities of aluminum and copper are in the ratio of approximately 1: 1.6. It is therefore preferred if the Ableitschreibn the Ableitelektroden for optimal heat dissipation and current dissipation are designed so that the aluminum Ableitelektrode a larger
  • the cross-sectional area of the aluminum-up electrode in Rich ⁇ tung be perpendicular to the current flow direction is greater than the corresponding cross-sectional area of the copper-lead electrode. It is particularly preferred if the corresponding
  • Cross-sectional areas of the aluminum discharge electrode to the copper discharge electrode in the ratio 1.6: 1 are.
  • the energy storage cell as described above a Dahl ⁇ number of inner Abieitern has, with the inner Abieiter a certain polarity are connected to the Ableitelektrode the corresponding polarity, then it is preferred if the sum of the weights, ie the masses of the inner Abieiter to the weight, ie to the mass of the corresponding outer Abieiters in the ratio 5: 1 to 15: 1, preferably in the Ver ⁇ ratio 10: 1 is. So there is said ratio between mass of aluminum or copper within the cell and mass of aluminum or copper outside of the cell.
  • the lead-out electrodes according to the embodiments of the present invention may advantageously be cuboid. So you have 12 edges that are perpendicular to each other ste ⁇ hen.
  • the cell body is approximately square in that area in which it extends flatly.
  • a ratio of a length of the cell body to a width of the cell body in this area is in the range between 0.85: 1 and 1: 1.15.
  • the cell length is measured at each ⁇ ner edge of the extension surface to which the Ab ⁇ lead electrodes are arranged, and the cell width to the edges perpendicular thereto.
  • the extension area of the cell may be selected such that a ratio of an angle ⁇ about the center of the extension area between those edges bounding the long side to an angle ⁇ about the midpoint between those edges bounding the wide side between 80 °: 100 ° and
  • the energy storage cells are designed such that they can be arranged, whose side surface, which is parallel to the extension surface in An ⁇ order of the energy storage cells in the housing, an edge length between 100 mm and 175 mm and for the other edge length 100 mm to 190 mm.
  • the available space for the installation of a starter battery space dimensions can be fully utilized.
  • the dimensions of the cell in that area in which the cell body extends that are for the shorter side ⁇ 100 mm, more preferably ⁇ 150, more preferably ⁇ 175 mm and for the longer side ⁇ 100 mm, special ⁇ DERS preferred ⁇ 140 mm, more preferably ⁇ 170, more preferably ⁇ 190 mm.
  • a plurality of energy storage cells according to the invention can be stacked to form an energy store and connected to one another. You can do this in a housing to be arranged as the starting vorste ⁇ described. They are preferably ⁇ way with parallel extension surfaces one above the other. In the following, the invention will be explained by way of example with reference to some figures.
  • FIG. 1 shows an example of an energy storage cell with two discharge electrodes arranged on one side surface
  • FIG. 1 shows the exact placement of the discharge electrodes in
  • FIG. 3 shows an embodiment of the invention with two discharge electrodes arranged on opposite side surfaces; and
  • FIG. 4 shows a collected discharge electrode.
  • FIG. 1 shows an energy storage cell according to the invention with a first discharge electrode 1 and a second discharge electrode.
  • Rode 2 which are arranged on one side 4 of a cell body 5.
  • the figure shows a view of an extension surface of the cell body 5, which is delimited by the side surfaces 4, which are perpendicular to the plane of the figure.
  • the energy storage cell extends in the plane sur fa ⁇ chig and is much further extended in the plane than perpendicular to it.
  • the cell body is thus plate-shaped Wesentli ⁇ chen.
  • the extent surface is approximately quadratic , wherein a ratio of the angle ⁇ between the edges bounding those side surfaces having the discharge electrodes 1, 2 and an angle ⁇ between the edges of the side surfaces perpendicular thereto is between 80 °: 100 ° and 100 °: 80 °, preferably between 90 °: 100 ° and 100 °: 90 °.
  • the ratio of the length Ver ⁇ that the recording electrodes 1, 2 having side surface Z L Z to the length B of the side faces perpendicular thereto, lies for example between 0.85: 1 and 1: 1.15.
  • FIG. 2 shows an energy storage cell corresponding to the energy storage cell shown in FIG. Like reference numerals correspond to the same or corresponding features.
  • the electrodes 1 and 2 are configured rectangular.
  • the electrodes 1, 2 are dimensioned and arranged such that a contact point 7 of an edge of the electrode 1, 2, 9 that side surface 4 to which the Ab ⁇ lead electrodes are disposed 1 and 2 the center, which faces, with the center 9 to a center 10 of the extension surface encloses an angle ⁇ which is between 10 ° and 36 °. Moreover, an angle ⁇ between a Be ⁇ ragitungstician 8 of the center 9 of the side surface 4 facing away edge of the Ableitelektroden 1 and 2 with the page ten and the center 9 of the side surface around the ⁇ center point 10 of the extension surface between 8 ° and 45 °.
  • FIG. 3 shows an embodiment of the invention
  • the diverting electrodes 1 and 2 are in turn made rectangular and arranged symmetrically around a center 9 of that side surface 4 on which they are arranged, so that a center of the diverting electrode coincides in the direction of its width with the center 9 of the side surface.
  • the Ableit ⁇ electrodes 1 and 2 are also dimensioned and arranged so that an angle ⁇ around the center 10 of the Er- extension surface between a point of contact of the vertical standing on the respective side edges with the corresponding side surface and the center 9 of ⁇ ent speaking Side surface is between 20 ° and 60 °.
  • the lengths of the side surfaces 4 in the examples shown in FIGS. 1, 2 and 3 may preferably be chosen such that the cells can be inserted into existing battery casings.
  • a short side surface 4 for example, be between 120 and 170 mm long and a long side surface between 100 and 200 mm.
  • the width of the discharge electrodes 1 and 2 may be selected such that twice the width of one of the discharge electrodes is 1/2 to 4/5, preferably 2/3 the length of the corresponding side surface ⁇ takes.
  • the width of the Ableitelektroden can be chosen so that it is 2/10 to 9/10, preferably 2/3 of the length of the corresponding side surfaces taking.
  • FIG. 4 shows a single discharge electrode 1, which can be arranged with a surface 12 on a side surface 4 of a cell body 5. Those edges 13a, 13b, 13c, 13d which are perpendicular to the side surface 4 are grasped here.
  • the discharge electrodes may comprise, for example, copper or consist thereof and / or comprise or consist of aluminum.
  • the energy storage cells may have a plurality of inner Abieitern, with which currents can be derived from the energy storage cell. Abieiter one polarity can then be electrically coupled to the corresponding Ableitelektrode same polarity.
  • the cross-sectional area of the lead electrode in the direction perpendicular corresponds ⁇ right to the current flow through the deriving the sum of the cross sectional areas of the inner Abieiter in the direction perpendicular to the direction of current flow through the respective inner Abieiter.
  • the thickness of the negative deflection electrode is 300 .mu.m.
  • the discharge electrode is made of nickel-plated copper. For 30 positive inner
  • the positive Ableitelektrode is preferably made of surface-treated aluminum, which allows better adhesion and better tightness with the battery case. For example, these values can fluctuate up and down by 50%. In this case, in particular the type of cooling of the cell can be taken into account. Through the described design an optimal dissipation of the unreacted in the cell performance with correspondingly good dissipation of heat is ensured, which enables optimum cooling of the Bacsys ⁇ tems. Good heat dissipation and cooling also prevents the formation of local "not spots" and, according to the Arrhenius law, has a life-prolonging effect on the overall system.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Secondary Cells (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Hybrid Cells (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

L'invention concerne un élément d'accumulateur d'énergie comprenant un corps d'élément (5) s'étendant à plat dans un plan d'extension, une première (1) et une deuxième (2) électrode collectrice, le corps d'élément (5) présentant quatre faces latérales (4) qui sont disposées le long d'un pourtour du plan d'extension et sont parallèles deux par deux. L'invention est caractérisée en ce que la première (1) et la deuxième électrode collectrice (2) sont disposées sur une des faces latérales (4) symétriquement, dans la direction du pourtour du plan d'extension, par rapport à un centre (9) de la face latérale (4) correspondante et un point de contact (7) d'un bord des électrodes collectrices (1, 2) orienté vers le centre (9) forme avec la face latérale (4) correspondante comprenant ledit centre (9) de la face latérale un angle λ autour du point central (10) du plan d'extension de 10° < λ < 36° et/ou en ce qu'un point de contact (8) d'un bord des électrodes collectrices (1, 2) opposé au centre forme avec la face latérale (4) correspondante comprenant ledit centre (9) un angle ß autour du point central (10) du plan d'extension de 8° < ß < 45°.
EP11714043A 2010-04-26 2011-04-13 Élément d'accumulateur d'énergie Withdrawn EP2564460A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010018289 DE102010018289A1 (de) 2010-04-26 2010-04-26 Energiespeicherzelle
PCT/EP2011/055776 WO2011134792A1 (fr) 2010-04-26 2011-04-13 Élément d'accumulateur d'énergie

Publications (1)

Publication Number Publication Date
EP2564460A1 true EP2564460A1 (fr) 2013-03-06

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EP11714043A Withdrawn EP2564460A1 (fr) 2010-04-26 2011-04-13 Élément d'accumulateur d'énergie

Country Status (6)

Country Link
US (1) US9105882B2 (fr)
EP (1) EP2564460A1 (fr)
KR (1) KR101873861B1 (fr)
CN (1) CN103069634B (fr)
DE (2) DE102010018289A1 (fr)
WO (1) WO2011134792A1 (fr)

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US9564275B2 (en) * 2012-03-09 2017-02-07 The Paper Battery Co. Supercapacitor structures

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Publication number Priority date Publication date Assignee Title
JP2000058026A (ja) * 1998-08-07 2000-02-25 Sony Corp 電 池
JP3698320B2 (ja) * 2002-06-03 2005-09-21 日産自動車株式会社 組電池
JP3758629B2 (ja) * 2002-09-26 2006-03-22 日産自動車株式会社 ラミネートシートおよびこれを用いたラミネート電池
US20080292950A1 (en) * 2007-05-24 2008-11-27 Sanyo Electric Co., Ltd. Battery module
JP5449695B2 (ja) 2007-05-24 2014-03-19 三洋電機株式会社 組電池
JP4905267B2 (ja) * 2007-06-21 2012-03-28 ソニー株式会社 正極合剤および非水電解質電池
JP5422179B2 (ja) * 2007-11-26 2014-02-19 パナソニック株式会社 非水電解質二次電池
JP2011505671A (ja) * 2007-11-30 2011-02-24 エイ １２３ システムズ，インク． 非対称な端子を有する電池セルデザイン
US8153290B2 (en) * 2008-10-28 2012-04-10 Tesla Motors, Inc. Heat dissipation for large battery packs

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Publication number Publication date
DE202010018323U1 (de) 2016-01-27
KR101873861B1 (ko) 2018-07-03
CN103069634B (zh) 2016-07-06
WO2011134792A1 (fr) 2011-11-03
CN103069634A (zh) 2013-04-24
KR20130093517A (ko) 2013-08-22
DE102010018289A1 (de) 2011-10-27
US20130095368A1 (en) 2013-04-18
US9105882B2 (en) 2015-08-11

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