EP3055894A1 - Grid arrangement for a plate-shaped battery electrode of an electrochemical accumulator, and accumulator - Google Patents

Grid arrangement for a plate-shaped battery electrode of an electrochemical accumulator, and accumulator

Info

Publication number
EP3055894A1
EP3055894A1 EP14781560.9A EP14781560A EP3055894A1 EP 3055894 A1 EP3055894 A1 EP 3055894A1 EP 14781560 A EP14781560 A EP 14781560A EP 3055894 A1 EP3055894 A1 EP 3055894A1
Authority
EP
European Patent Office
Prior art keywords
grid
vertical
frame member
arrangement
grid arrangement
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Withdrawn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
EP14781560.9A
Other languages
German (de)
French (fr)
Inventor
Armin STAFFELDT
Ingo Koch
Bernd Ide
Ornwasa Traisigkhachol
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.)
Clarios Germany GmbH and Co KGaA
Original Assignee
Johnson Controls Autobatterie GmbH and Co KGaA
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 Johnson Controls Autobatterie GmbH and Co KGaA filed Critical Johnson Controls Autobatterie GmbH and Co KGaA
Publication of EP3055894A1 publication Critical patent/EP3055894A1/en
Withdrawn legal-status Critical Current

Links

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
    • H01M10/06—Lead-acid accumulators
    • 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
    • H01M4/72—Grids
    • 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
    • H01M4/72—Grids
    • H01M4/73—Grids for lead-acid accumulators, e.g. frame plates
    • 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
    • H01M4/72—Grids
    • H01M4/74—Meshes or woven material; Expanded metal
    • 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
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028—Positive electrodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the invention relates to a grid arrangement for a plate-shaped
  • the invention further relates to an accumulator according to
  • the invention relates to the field of electrochemical accumulators with plate-shaped battery electrodes, which are also referred to as electrode plates.
  • Such accumulators are manufactured in particular as lead-acid accumulators. Grid arrangements of such battery electrodes are z. B. in DE 10 2008 029 386 AI or WO 01/04977 AI described.
  • Grid arrangements are usually made of lead. Because of rising commodity prices and the goal of weight reduction of electrochemical accumulators, it is desirable to minimize the amount of lead used.
  • the invention is therefore based on the object, an optimized
  • a grid arrangement for a plate-shaped battery electrode of an electrochemical accumulator comprising a frame and a grid arranged thereon, wherein the frame has at least one upper frame element, on whose the grid a terminal lug of the battery electrode is arranged, and wherein the grid is at least formed of horizontal bars, which are substantially horizontally extending bars, and vertical bars, which are substantially vertically extending bars, wherein at least a portion of
  • Vertical bars are fan-shaped arranged at different angles to each other, comprising at least one, several or all of the following features a), b), c), d):
  • Terminal lug at a distance of less than 15%, in particular less than 10%, of the terminal lug width or cuts the terminal lug, b) a straight line passing through the center of gravity of the lattice arrangement and being parallel to the center axis of that vertical bar which is the shortest distance to the center of gravity the grid arrangement has cuts the upper one
  • Frame member at a location which is less than 15%, in particular less than 10%, of the length of the upper frame member away from a vertical center axis of the terminal lug,
  • the grid arrangement according to the invention is characterized in a simplified manner compared to known grid arrangements in that the arrangement of the vertical bars is pivoted or tilted overall more in the direction of the connecting lug. On the one hand, this enables the desired material saving of the raw material lead and, concomitantly, a weight saving, but in addition, despite the saving of raw material, an even improved electrical
  • Said changed spatial orientation of the vertical bars may be implemented according to one, several or all of the features a), b), c), d) of claim 1.
  • a straight line is determined for this purpose, which runs through the center of gravity of the grid arrangement.
  • the center of gravity of the grating arrangement is, as is customary in physics, the center of mass of the grating arrangement, including the terminal lug, understood.
  • the center of mass of a body is the weighted mean of the positions of its body
  • the grid arrangement is usually made relatively homogeneous from the lead material, so that then the center of mass coincides with the geometric center of gravity.
  • the said straight line, which runs through the center of gravity of the grating arrangement, is also a parallel to the
  • Focus of the grid arrangement has. Thus, the closest to the center of gravity must be determined. To the central axis of said line is a parallel.
  • the central axis is, so to speak, the longitudinal axis of the vertical rod, which runs exactly in the middle in the longitudinal direction, that is, substantially in the vertical direction, along the vertical rod.
  • the central axis can also be referred to as a bisector of the vertical rod. According to feature a), this straight can pass the terminal lug with a certain distance or cut the terminal lug. If the straight line passes the connecting lug, it has no intersection with the connecting lug.
  • the straight line defined in the same manner as explained above intersects the upper frame element at a specific location defined with respect to the vertical center axis of the terminal lug.
  • a vertical center axis in this case, an exactly vertical axis, which runs exactly in the middle of the terminal lug, understood.
  • the specification Normal position of the battery is usually taken in a horizontal arrangement of the bottom of the battery.
  • the fan-shaped arranged vertical bars have an angular difference between adjacent
  • the terminal lug is arranged asymmetrically on the upper frame member.
  • the terminal lug has a first vertical side, which is arranged on the side of the longer leg of the upper frame member, the straight line according to feature a) of claim 1 passes or cuts the terminal lug on its first vertical side and / or the point at which the straight line according to Feature b) of
  • the upper frame member intersects, lies in the region of the longer leg of the upper frame member.
  • the electrical conductivity as well as the material requirements and the weight of the grid arrangement are further optimized.
  • the said line is then, so to speak, on the side of the inner flag corner of the connecting lug, d. H. the corner facing the longer leg of the upper frame member.
  • the grid arrangement is a punched lead grid. According to an advantageous embodiment of the invention, the grid arrangement is a positive grid arrangement for a positive
  • the grid arrangement has at least the upper frame element.
  • the grid assembly may additionally include a lower frame member, left and right side frame members, the upper frame member being connected to the lower frame member via the left and right side frame members.
  • the grid is arranged inside the frame. As a result, a grid arrangement with an increased robustness is also provided in the lower areas.
  • the object mentioned in the introduction is also achieved according to claim 7 by an accumulator having a plurality of to one or more
  • Battery electrodes wherein one, several or all battery electrodes a
  • Figure 1 an accumulator and its components in an explosive
  • FIG. 2 shows a grid arrangement
  • FIG. 3 shows a grid arrangement provided with an active mass and the pockets of a grid arrangement provided with an active mass in a separator and a grid arrangement according to the invention in a plan view, another grid arrangement according to the invention in a plan view.
  • like reference characters will be corresponding to one another
  • the basic structure of a rechargeable battery 100 according to the invention will first of all be explained by way of example with reference to FIG.
  • the accumulator 100 can be used in particular as a lead-acid battery with liquid electrolyte, for. B. in the form of
  • the accumulator 100 has a housing 110 in which one or more plate blocks 107 are arranged.
  • the accumulator 100 has a number of times determined according to its cell number
  • Plate blocks 107 on.
  • the plate blocks 107 are each arranged in individual by intermediate walls of separate receiving chambers of the housing 110. Within the housing 110, the plate blocks 107 are interconnected with one another by internal connector elements, not shown in FIG Connected in series.
  • the positive plates of one end are interconnected with one another by internal connector elements, not shown in FIG Connected in series.
  • Plate block and the negative plates of the other end plate block are electrically connected to respective outer terminal poles 108, 109 which are located in a lid part 111 of the accumulator housing 110.
  • the connection poles 108, 109 provide the electrical energy of the accumulator 100 for electrical energy consumers.
  • the plate blocks 107 each have alternating positive and negative
  • the negative electrode plates are more negative
  • FIG. 1 shows by way of example still individual electrode plates, namely a negative electrode plate 105, which has a negative flat lead grid 102, and a positive electrode plate 104, which has a positive planar lead grid 101.
  • the positive shown in Figure 1 is a negative electrode plate 105, which has a negative flat lead grid 102, and a positive electrode plate 104, which has a positive planar lead grid 101. The positive shown in Figure 1
  • Electrode plate 104 and negative electrode plate 105 already have an active mass pasting. This covers the individual bars and recesses.
  • the positive and / or negative lead grid has a plurality of grid bars and a plurality of window-like slots formed between the grid bars.
  • the positive and / or negative lead grid 101, 102 may, for. B. produced by a stamping process, or by other methods such as casting and / or rolling.
  • the positive electrode plate 104 is additionally separated from the negative electrode plate 105 via a separator 106.
  • a separator 106 In particular, that can
  • Separator material 106 may be formed into a pocket shape, which receives the positive electrode plate 104 and separated from adjacent electrode plates.
  • the positive electrode plates 104 have respective terminal lugs 103 through which the electrode plates in the positive plate set 114 are connected to each other in a parallel circuit.
  • the negative electrode plates 105 have respective terminal lugs 103, via which the electrode plates in the negative plate set 115 are connected to each other in a parallel circuit.
  • the connection can be made by a connector 112, recognizable in FIG. 1, which is soldered or welded onto the terminal lugs 103.
  • the accumulator 100 according to FIG. 1 may in particular comprise one or more electrode plates according to the invention, eg. B. in the form of positive
  • the lead grid 101 has a plurality of grid bars 114, between which a plurality of window-like recesses 113 is present.
  • the lead grid 101 on the outer edge of one, several or all of the frame parts mentioned below
  • FIG. 3 shows the lead grid 101 of FIG. 2 after it has been at least partly covered with active mass, which is usually applied in pasty form. This process is also called pasting.
  • FIG. 4 shows the lead grid 103 provided with the active mass according to FIG. 3 when inserted into a pocket-shaped separator 106.
  • FIG. 5 shows a grid arrangement 101 designed according to the invention, which in turn has a frame with an upper frame element 120, a lower frame element 117, a right Side frame member 118 and a left side frame member 119 has. Within the area surrounded by the aforementioned frame elements is the grid 113. As can be seen, the one located on the upper frame element 120 is
  • Connection lug 103 asymmetrically slightly to the right of the center of the
  • a vertical central axis A intersects the connecting lug 103 in the center and runs exactly vertically.
  • the vertical center axis A also serves as a vertical reference axis.
  • the grid 113 is shown in more detail in FIG. 5 with further reference numbers.
  • the grid 113 has a plurality of horizontal bars, of which, by way of example, the horizontal bars 21 to 25 are provided with reference numerals.
  • the horizontal bars are substantially horizontal.
  • the vertical bars do not run exactly vertically, but fan-shaped at different angles to each other, wherein they radiate away from the upper frame member 120 away.
  • the vertical bars 9 to 20 marked with reference signs intersect both the upper one
  • Frame member as well as, at least in imaginary Verisru ng, the lower frame member 117. Further left and right of it arranged vertical bars, which are not provided with reference numerals, do not intersect the lower frame member 117, not even in an imaginary extension.
  • the sum of all angles of the vertical rods 9 to 20, d. H. the vertical bars cutting both the upper and the lower frame element of the grid arrangement or cutting at least in imaginary extension is greater than 7 °.
  • the angles are determined here with respect to the vertical reference axis A.
  • the result is a sum of all angles which corresponds approximately to the intersection angle of the central axis M with the vertical reference axis A. In other words, the inclination angle resulting from the summation over the vertical
  • Reference axis A is greater than 7 ° in magnitude.
  • the grating assembly of the present invention also has a value greater than 7 in terms of the sum of the angles of the leftmost vertical rod 9 and outermost right vertical rod 20 that would intersect, or at least intersect, both the upper and lower frame members of the grid assembly °, again with respect to the vertical reference axis A.
  • the terminal lug 103 has a first vertical side 2 which is arranged on the side of the longer leg 3 of the upper frame element 120.
  • An opposite second vertical side 4 is disposed on the side of the shorter leg 5 of the upper frame member 120.
  • the legs 3, 5 are each formed on the left and right of the terminal lug 103.
  • the center of gravity S is located.
  • the vertical bar 14 is the vertical bar closest to the center of gravity S, ie the one vertical bar which has the smallest distance to the center of gravity S.
  • the center axis M of the vertical rod 14 is also shown.
  • a straight line G is a parallel to the central axis M, which passes through the center of gravity S. This straight line G passes the terminal lug 103 on the first vertical side 2 with a distance D.
  • the straight line G, the terminal lug 103 also intersect, especially in the region of the first vertical side 2.
  • the intersection can also lie at other locations of the terminal lug 103, up to the first
  • a point 1 at which the straight line G intersects the upper frame member 120, less than 15%, in particular less than 10%, of the length L of the upper frame member 120 from the vertical center axis A of the terminal lug 103 is removed.
  • the length L of the upper frame member 120 which also corresponds to the width of the grid assembly 101 at the same time, is shown in FIG.
  • the width B of the Anschl ussfahne 103 is located.
  • FIG. 6 shows a further grid arrangement 101 according to the invention, which has a thinner construction than the embodiment according to FIG. 5.
  • the length L of the upper frame element is therefore smaller than in the embodiment according to FIG. 5.
  • the vertical bar 9 is again the extreme left vertical bar, and the vertical bar 20
  • Vertical bars are arranged further vertical bars, which are not provided with reference numerals, and also do not intersect the lower frame member 117 in extension.
  • FIG. 1 In the embodiment according to FIG. 1
  • Grid assembly 101 is closest to.
  • the straight line G is in its course in the left Part of Figure 6 partially poorly recognizable, because it runs partly at the edge of the vertical rod 14.
  • FIGS. 5 and 6 document the universal applicability of the present invention.

Abstract

The invention relates to a grid arrangement (101) for a plate-shaped battery electrode of an electrochemical accumulator, having a frame (117, 118, 119, 120) and a grid (113) which is arranged on the frame. The frame has at least one upper frame element (120), a connection lug (103) of the battery electrode being arranged on the upper frame element face facing away from the grid, and the grid is made at least of horizontal rods (21 to 25), which are grid rods that run in a substantially horizontal manner, and vertical rods (9 to 20), which are grid rods that run in a substantially vertical manner. At least some of the vertical rods are arranged at different angles relative to one another in the shape of a fan. The invention also relates to an accumulator.

Description

GITTERANORDNUNG FÜR EINE PLATTENFÖRMIGE BATTERIEELEKTRODE EINES ELEKTROCHEMISCHEN AKKUMULATORS SOWIE AKKUMULATOR  Grid arrangement for a plate-shaped battery electrode of an electrochemical accumulator and battery
Beschreibung description
Die Erfindung betrifft eine Gitteranordnung für eine plattenförmige The invention relates to a grid arrangement for a plate-shaped
Batterieelektrode eines elektrochemischen Akkumulators gemäß dem Oberbegriff des Anspruchs 1. Die Erfindung betrifft ferner einen Akkumulator gemäß Battery electrode of an electrochemical accumulator according to the preamble of claim 1. The invention further relates to an accumulator according to
Anspruch 7. Claim 7.
Allgemein betrifft die Erfindung das Gebiet elektrochemischer Akkumulatoren mit plattenförmigen Batterieelektroden, die auch als Elektrodenplatten bezeichnet werden. Solche Akkumulatoren werden insbesondere als Blei-Säure- Akkumulatoren gefertigt. Gitteranordnungen solcher Batterieelektroden sind z. B. in DE 10 2008 029 386 AI oder WO 01/04977 AI beschrieben. Solche In general, the invention relates to the field of electrochemical accumulators with plate-shaped battery electrodes, which are also referred to as electrode plates. Such accumulators are manufactured in particular as lead-acid accumulators. Grid arrangements of such battery electrodes are z. B. in DE 10 2008 029 386 AI or WO 01/04977 AI described. Such
Gitteranordnungen werden in der Regel aus Blei hergestellt. Wegen ansteigender Rohstoffpreise und an dem Ziel der Gewichtsreduzierung elektrochemischer Akkumulatoren ist es wünschenswert, die eingesetzte Bleimenge zu minimieren. Der Erfindung liegt daher die Aufgabe zu Grunde, eine optimierte  Grid arrangements are usually made of lead. Because of rising commodity prices and the goal of weight reduction of electrochemical accumulators, it is desirable to minimize the amount of lead used. The invention is therefore based on the object, an optimized
Gitteranordnung anzugeben, bei der die einzusetzende Bleimenge ohne  Specify grid arrangement in which the amount of lead to be used without
Verschlechterung der sonstigen Performance verringert werden kann. Deterioration of other performance can be reduced.
Diese Aufgabe wird gemäß Anspruch 1 gelöst durch eine Gitteranordnung für eine plattenförmige Batterieelektrode eines elektrochemischen Akkumulators, aufweisend einen Rahmen und ein daran angeordnetes Gitter, wobei der Rahmen wenigstens ein oberes Rahmenelement aufweist, an dessen dem Gitter abgewandter Seite eine Anschlussfahne der Batterieelektrode angeordnet ist, und wobei das Gitter wenigstens aus Horizontalstäben, die im Wesentlichen horizontal verlaufende Gitterstäbe sind, und Vertikalstäben, die im Wesentlichen vertikal verlaufende Gitterstäbe sind, gebildet ist, wobei zumindest ein Anteil der This object is achieved according to claim 1 by a grid arrangement for a plate-shaped battery electrode of an electrochemical accumulator, comprising a frame and a grid arranged thereon, wherein the frame has at least one upper frame element, on whose the grid a terminal lug of the battery electrode is arranged, and wherein the grid is at least formed of horizontal bars, which are substantially horizontally extending bars, and vertical bars, which are substantially vertically extending bars, wherein at least a portion of
Vertikalstäbe fächerförmig in unterschiedlichen Winkeln zueinander angeordnet ist, aufweisend wenigstens eines, mehrere oder alle der folgenden Merkmale a), b), c), d) : Vertical bars are fan-shaped arranged at different angles to each other, comprising at least one, several or all of the following features a), b), c), d):
a) eine Gerade, die durch den Schwerpunkt der Gitteranordnung verläuft und eine Parallele zur Mittelachse desjenigen Vertikalstabs ist, der den geringsten Abstand zum Schwerpunkt der Gitteranordnung hat, passiert die a) a straight line passing through the center of gravity of the grating assembly and being parallel to the central axis of that vertical rod which has the smallest distance from the center of gravity of the grating assembly passes through
Anschlussfahne mit einem Abstand von weniger als 15%, insbesondere weniger als 10%, der Anschlussfahnenbreite oder schneidet die Anschlussfahne, b) eine Gerade, die durch den Schwerpunkt der Gitteranordnung verläuft und eine Parallele zur Mittelachse desjenigen Vertikalstabs ist, der den geringsten Abstand zum Schwerpunkt der Gitteranordnung hat, schneidet das obere Terminal lug at a distance of less than 15%, in particular less than 10%, of the terminal lug width or cuts the terminal lug, b) a straight line passing through the center of gravity of the lattice arrangement and being parallel to the center axis of that vertical bar which is the shortest distance to the center of gravity the grid arrangement has cuts the upper one
Rahmenelement an einer Stelle, die weniger als 15%, insbesondere weniger als 10%, der Länge des oberen Rahmenelements von einer vertikalen Mittelachse der Anschlussfahne entfernt ist, Frame member at a location which is less than 15%, in particular less than 10%, of the length of the upper frame member away from a vertical center axis of the terminal lug,
c) die Summe aller Winkel derjenigen Vertikalstäbe, die sowohl das obere als auch ein unteres Rahmenelement der Gitteranordnung schneiden oder zumindest in gedachter Verlängerung schneiden würden, ist größer als 7°, wobei die Winkel bezüglich einer exakt vertikal verlaufenden Achse bestimmt werden, c) the sum of all the angles of those vertical bars which would intersect, or at least intersect, both the upper and a lower frame element of the grid arrangement is greater than 7 °, the angles being determined with respect to an exactly vertical axis,
d) die Summe der Winkel des äußersten linken und des äußersten rechten d) the sum of the angles of the extreme left and the extreme right
Vertikalstabs, die sowohl das obere als auch ein unteres Rahmenelement der Gitteranordnung schneiden oder zumindest in gedachter Verlängerung schneiden würden, ist größer als 7°, wobei die Winkel bezüglich einer exakt vertikal verlaufenden Achse bestimmt werden. Die erfindungsgemäße Gitteranordnung zeichnet sich vereinfacht gesagt gegenüber bekannten Gitteranordnungen dadurch aus, dass die Anordnung der Vertikalstäbe insgesamt mehr in Richtung der Anschlussfahne geschwenkt bzw. gekippt ist. Dies ermöglicht einerseits die gewünschte Materialeinsparung des Rohstoffs Blei und damit einhergehend eine Gewichtseinsparung, zusätzlich aber trotz Einsparung an Rohstoff eine sogar noch verbesserte elektrische  Vertical bars that would intersect, or at least intersect, both upper and lower frame members of the grid assembly would be greater than 7 °, with the angles determined relative to an exactly vertical axis. The grid arrangement according to the invention is characterized in a simplified manner compared to known grid arrangements in that the arrangement of the vertical bars is pivoted or tilted overall more in the direction of the connecting lug. On the one hand, this enables the desired material saving of the raw material lead and, concomitantly, a weight saving, but in addition, despite the saving of raw material, an even improved electrical
Leitfähigkeit. Mit der erfindungsgemäßen Gitteranordnung kann somit ein Akkumulator bereitgestellt werden, der leichter ist als bekannte Akkumulatoren und dennoch bessere elektrische Performance-Daten aufweist. Conductivity. With the grid arrangement according to the invention can thus be Accumulator be provided, which is lighter than known accumulators and yet has better electrical performance data.
Die genannte geänderte räumliche Orientierung der Vertikalstäbe kann gemäß einem, mehreren oder allen der Merkmale a), b), c), d) des Anspruchs 1 ausgeführt sein. Said changed spatial orientation of the vertical bars may be implemented according to one, several or all of the features a), b), c), d) of claim 1.
Gemäß Merkmal a) und b) wird hierzu eine Gerade bestimmt, die durch den Schwerpunkt der Gitteranordnung verläuft. Als Schwerpunkt der Gitteranordnung wird, wie in der Physik üblich, der Massenmittelpunkt der Gitteranordnung, einschließlich der Anschlussfahne, verstanden. Der Massenmittelpunkt eines Körpers ist das mit der Masse gewichtete Mittel der Positionen seiner According to feature a) and b), a straight line is determined for this purpose, which runs through the center of gravity of the grid arrangement. The center of gravity of the grating arrangement is, as is customary in physics, the center of mass of the grating arrangement, including the terminal lug, understood. The center of mass of a body is the weighted mean of the positions of its body
Massepunkte. Die Gitteranordnung ist in der Regel relativ homogen aus dem Bleimaterial hergestellt, so dass dann der Massenmittelpunkt auch mit dem geometrischen Schwerpunkt übereinstimmt. Die genannte Gerade, die durch den Schwerpunkt der Gitteranordnung verläuft, ist zudem eine Parallele zur Mass points. The grid arrangement is usually made relatively homogeneous from the lead material, so that then the center of mass coincides with the geometric center of gravity. The said straight line, which runs through the center of gravity of the grating arrangement, is also a parallel to the
Mittelachse desjenigen Vertikalstabs, der den geringsten Abstand zum Central axis of that vertical rod, the least distance to the
Schwerpunkt der Gitteranordnung hat. Es muss somit der am nächsten zum Schwerpunkt gelegene Vertikalstab bestimmt werden. Zu dessen Mittelachse ist die genannte Gerade eine Parallele. Die Mittelachse ist sozusagen die Längsachse des Vertikalstabs, die genau in der Mitte in Längsrichtung, also im Wesentlichen in vertikaler Richtung, entlang des Vertikalstabs verläuft. Insofern kann die Mittelachse auch als Halbierende des Vertikalstabs bezeichnet werden. Gemäß Merkmal a) kann diese Gerade die Anschlussfahne mit einem gewissen Abstand passieren oder die Anschlussfahne schneiden. Sofern die Gerade die Anschlussfahne passiert, weist sie keinen Schnittpunkt mit der Anschlussfahne auf. Gemäß Merkmal b) schneidet die in gleicher Weise wie zuvor erläutert definierte Gerade das obere Rahmenelement an einer bestimmten Stelle, die in Bezug zur vertikalen Mittelachse der Anschlussfahne definiert ist. Als vertikale Mittelachse wird in diesem Fall eine exakt vertikal verlaufende Achse, die genau in der Mitte der Anschlussfahne verläuft, verstanden. Focus of the grid arrangement has. Thus, the closest to the center of gravity must be determined. To the central axis of said line is a parallel. The central axis is, so to speak, the longitudinal axis of the vertical rod, which runs exactly in the middle in the longitudinal direction, that is, substantially in the vertical direction, along the vertical rod. In this respect, the central axis can also be referred to as a bisector of the vertical rod. According to feature a), this straight can pass the terminal lug with a certain distance or cut the terminal lug. If the straight line passes the connecting lug, it has no intersection with the connecting lug. According to feature b), the straight line defined in the same manner as explained above intersects the upper frame element at a specific location defined with respect to the vertical center axis of the terminal lug. As a vertical center axis in this case, an exactly vertical axis, which runs exactly in the middle of the terminal lug, understood.
Soweit Begriffe wie horizontal, vertikal, oberhalb, unterhalb bzw. waagerecht oder senkrecht verwendet werden, beziehen sich diese auf die Einbaulage der Batterieelektrode in einem elektrochemischen Akkumulator in As far as terms such as horizontal, vertical, above, below or used horizontally or vertically, these relate to the mounting position of the battery electrode in an electrochemical accumulator in
spezifikationsgemäßer Normallage des Akkumulators. Die spezifikationsgemäße Normallage des Akkumulators wird in der Regel bei einer horizontalen Anordnung des Bodens des Akkumulators eingenommen. according to specification normal position of the accumulator. The specification Normal position of the battery is usually taken in a horizontal arrangement of the bottom of the battery.
Soweit Winkel in Gradangaben (z. B. 7°) angegeben sind, beziehen sich diese Angaben auf ein Kreismaß von 360°. Insofar as angles are given in degrees (eg 7 °), this information refers to a circular dimension of 360 °.
Gemäß einer vorteilhaften Weiterbildung der Erfindung weisen die fächerförmig angeordneten Vertikalstäbe eine Winkeldifferenz zwischen benachbarten According to an advantageous embodiment of the invention, the fan-shaped arranged vertical bars have an angular difference between adjacent
Vertikalstäben von weniger als 5° auf. Dies erlaubt eine weitere Optimierung der Gitteranordnung hinsichtlich der elektrischen Performance sowie der Vertical bars of less than 5 °. This allows a further optimization of the grid arrangement with regard to the electrical performance and the
Materialmenge und damit des Gewichts. Amount of material and thus the weight.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist die Anschlussfahne unsymmetrisch an dem oberen Rahmenelement angeordnet. Die Anschlussfahne hat eine erste Vertikalseite, die auf der Seite des längeren Schenkels des oberen Rahmenelements angeordnet ist, wobei die Gerade gemäß Merkmal a) des Anspruchs 1 die Anschlussfahne an ihrer ersten Vertikalseite passiert oder schneidet und/oder die Stelle, an der die Gerade gemäß Merkmal b) des According to an advantageous embodiment of the invention, the terminal lug is arranged asymmetrically on the upper frame member. The terminal lug has a first vertical side, which is arranged on the side of the longer leg of the upper frame member, the straight line according to feature a) of claim 1 passes or cuts the terminal lug on its first vertical side and / or the point at which the straight line according to Feature b) of
Anspruchs 1 das obere Rahmenelement schneidet, im Bereich des längeren Schenkels des oberen Rahmenelements liegt. Hierdurch werden die elektrische Leitungsfähigkeit sowie der Materialbedarf und das Gewicht der Gitteranordnung weiter optimiert. Die genannte Gerade liegt dann sozusagen auf der Seite der inneren Fahnenecke der Anschlussfahne, d. h. der zum längeren Schenkel des oberen Rahmenelements weisenden Ecke. Claim 1, the upper frame member intersects, lies in the region of the longer leg of the upper frame member. As a result, the electrical conductivity as well as the material requirements and the weight of the grid arrangement are further optimized. The said line is then, so to speak, on the side of the inner flag corner of the connecting lug, d. H. the corner facing the longer leg of the upper frame member.
Gemäß einer vorteilhaften Weiterbildung der Erfindung ist die Gitteranordnung ein gestanztes Bleigitter. Gemäß einer vorteilhaften Weiterbildung der Erfindung ist die Gitteranordnung als positive Gitteranordnung für eine positive According to an advantageous embodiment of the invention, the grid arrangement is a punched lead grid. According to an advantageous embodiment of the invention, the grid arrangement is a positive grid arrangement for a positive
Batterieelektrode ausgebildet. Battery electrode formed.
Die Gitteranordnung weist wenigstens das obere Rahmenelement auf. Die Gitteranordnung kann zusätzlich ein unteres Rahmenelement, ein linkes und ein rechtes Seitenrahmenelement aufweisen, wobei das obere Rahmenelement über das linke und das rechte Seitenrahmenelement mit dem unteren Rahmenelement verbunden ist. Das Gitter ist dabei innerhalb des Rahmens angeordnet. Hierdurch wird eine Gitteranordnung mit einer erhöhten Robustheit auch in den unteren Bereichen bereitgestellt. Die Eingangs genannte Aufgabe wird außerdem gemäß Anspruch 7 gelöst durch einen Akkumulator mit einer Vielzahl von zu einem oder mehreren The grid arrangement has at least the upper frame element. The grid assembly may additionally include a lower frame member, left and right side frame members, the upper frame member being connected to the lower frame member via the left and right side frame members. The grid is arranged inside the frame. As a result, a grid arrangement with an increased robustness is also provided in the lower areas. The object mentioned in the introduction is also achieved according to claim 7 by an accumulator having a plurality of to one or more
Elektrodenplattenblöcken zusammengestellten plattenförmigen Electrode plate blocks assembled plate-shaped
Batterieelektroden, wobei eine, mehrere oder alle Batterieelektroden eine Battery electrodes, wherein one, several or all battery electrodes a
Gitteranordnung nach einem der vorhergehenden Ansprüche aufweisen. Grid arrangement according to one of the preceding claims.
Die Erfindung wird nachfolgend anhand von Ausführungsbeispielen unter The invention will be described below with reference to embodiments
Verwendung von Zeichnungen näher erläutert. Es zeigen Use of drawings explained in more detail. Show it
Figur 1 : einen Akkumulator sowie dessen Bauteile in einer explosionsartigen Figure 1: an accumulator and its components in an explosive
Darstellung und  Presentation and
Figur 2 eine Gitteranordnung und Figur 3 eine mit einer aktiven Masse versehene Gitteranordnung und das Eintaschen einer mit einer aktiven Masse versehenen Gitteranordnung in einem Separator und eine erfindungsgemäße Gitteranordnung in einer Draufsicht, eine weitere erfindungsgemäß Gitteranordnung in einer Draufsicht. In den Figuren werden gleiche Bezugszeichen für einander entsprechende FIG. 2 shows a grid arrangement and FIG. 3 shows a grid arrangement provided with an active mass and the pockets of a grid arrangement provided with an active mass in a separator and a grid arrangement according to the invention in a plan view, another grid arrangement according to the invention in a plan view. In the figures, like reference characters will be corresponding to one another
Elemente verwendet. Elements used.
Anhand der Figur 1 sei zunächst der prinzipielle Aufbau eines erfindungsgemäßen Akkumulators 100 beispielhaft erläutert. Der Akkumulator 100 kann insbesondere als Blei-Säure-Batterie mit flüssigem Elektrolyten, z. B. in Form von The basic structure of a rechargeable battery 100 according to the invention will first of all be explained by way of example with reference to FIG. The accumulator 100 can be used in particular as a lead-acid battery with liquid electrolyte, for. B. in the form of
Schwefelsäure, ausgebildet sein. Der Akkumulator 100 weist ein Gehäuse 110 auf, in dem einer oder mehrere Plattenblöcke 107 angeordnet sind . Der Akkumulator 100 weist eine entsprechend seiner Zellenzahl festgelegte Anzahl von  Sulfuric acid, be formed. The accumulator 100 has a housing 110 in which one or more plate blocks 107 are arranged. The accumulator 100 has a number of times determined according to its cell number
Plattenblöcken 107 auf. Die Plattenblöcke 107 sind jeweils in einzelnen durch Zwischenwände voneinander getrennten Aufnahmekammern des Gehäuses 110 angeordnet. Innerhalb des Gehäuses 110 sind die Plattenblöcke 107 durch in der Figur 1 nicht dargestellte interne Verbinderelemente untereinander zu einer Reihenschaltung verbunden. Die positiven Platten des einen endseitigen Plate blocks 107 on. The plate blocks 107 are each arranged in individual by intermediate walls of separate receiving chambers of the housing 110. Within the housing 110, the plate blocks 107 are interconnected with one another by internal connector elements, not shown in FIG Connected in series. The positive plates of one end
Plattenblocks und die negativen Platten des anderen endseitigen Plattenblocks sind mit jeweiligen äußeren Anschlusspolen 108, 109, die sich in einem Deckelteil 111 des Akkumulatorgehäuses 110 befinden, elektrisch verbunden. Durch die Anschlusspole 108, 109 wird die elektrische Energie des Akkumulators 100 für elektrische Energieverbraucher bereitgestellt. Plate block and the negative plates of the other end plate block are electrically connected to respective outer terminal poles 108, 109 which are located in a lid part 111 of the accumulator housing 110. The connection poles 108, 109 provide the electrical energy of the accumulator 100 for electrical energy consumers.
Die Plattenblöcke 107 weisen jeweils alternierend positive und negative The plate blocks 107 each have alternating positive and negative
Elektrodenplatten auf. Die negativen Elektrodenplatten sind als negativer On electrode plates. The negative electrode plates are more negative
Plattensatz 115 wiedergegeben, die positiven Elektrodenplatten als positiverPlate set 115 reproduced, the positive electrode plates as positive
Plattensatz 114. In der Figur 1 sind beispielhaft noch einzel ne Elektrodenplatten dargestellt, nämlich eine negative Elektrodenplatte 105, die ein negatives ebenes Bleigitter 102 aufweist, und eine positive Elektrodenplatte 104, die ein positives ebenes Bleigitter 101 aufweist. Die in Figur 1 dargestellte positive Plate set 114. FIG. 1 shows by way of example still individual electrode plates, namely a negative electrode plate 105, which has a negative flat lead grid 102, and a positive electrode plate 104, which has a positive planar lead grid 101. The positive shown in Figure 1
Elektrodenplatte 104 und die negative Elektrodenplatte 105 weist bereits eine Pastierung mit aktiver Masse auf. Diese deckt die einzelnen Gitterstäbe und Aussparungen ab. Das positive und/oder das negative Bleigitter weist eine Vielzahl von Gitterstäben und eine Vielzahl von zwischen den Gitterstäben gebildeten fensterartigen Aussparungen auf. Das positive und/oder das negative Bleigitter 101, 102 kann z. B. durch einen Stanzprozess hergestellt werden, oder durch andere Verfahren wie Gießen und/oder Walzen. Electrode plate 104 and negative electrode plate 105 already have an active mass pasting. This covers the individual bars and recesses. The positive and / or negative lead grid has a plurality of grid bars and a plurality of window-like slots formed between the grid bars. The positive and / or negative lead grid 101, 102 may, for. B. produced by a stamping process, or by other methods such as casting and / or rolling.
Die positive Elektrodenplatte 104 ist zusätzlich über ein Separatormaterial 106 von der negativen Elektrodenplatte 105 getrennt. Insbesondere kann das The positive electrode plate 104 is additionally separated from the negative electrode plate 105 via a separator 106. In particular, that can
Separatormaterial 106 zu einer Taschenform ausgebildet sein, die die positive Elektrodenplatte 104 aufnimmt und gegenüber benachbarten Elektrodenplatten separiert. Separator material 106 may be formed into a pocket shape, which receives the positive electrode plate 104 and separated from adjacent electrode plates.
Die positiven Elektrodenplatten 104 weisen jeweilige Anschlussfahnen 103 auf, über die die Elektrodenplatten in dem positiven Plattensatz 114 untereinander in einer Parallelschaltung verbunden sind. Die negativen Elektrodenplatten 105 weisen jeweilige Anschlussfahnen 103 auf, über die die Elektrodenplatten in dem negativen Plattensatz 115 untereinander in einer Parallelschaltung verbunden sind . Die Verbindung kann durch einen in Figur 1 erkennbaren Verbinder 112, der auf die Anschlussfahnen 103 gelötet oder geschweißt wird, erfolgen. Der Akkumulator 100 gemäß Figur 1 kann insbesondere eine oder mehrere erfindungsgemäße Elektrodenplatten aufweisen, z. B. in Form der positiven The positive electrode plates 104 have respective terminal lugs 103 through which the electrode plates in the positive plate set 114 are connected to each other in a parallel circuit. The negative electrode plates 105 have respective terminal lugs 103, via which the electrode plates in the negative plate set 115 are connected to each other in a parallel circuit. The connection can be made by a connector 112, recognizable in FIG. 1, which is soldered or welded onto the terminal lugs 103. The accumulator 100 according to FIG. 1 may in particular comprise one or more electrode plates according to the invention, eg. B. in the form of positive
Elektrodenplatten 104. Die Figur 2 zeigt beispielhaft ein positives Bleigitter 101 in einer Draufsicht. Electrode plates 104. Figure 2 shows an example of a positive lead grid 101 in a plan view.
Erkennbar ist, dass das Bleigitter 101 eine Vielzahl von Gitterstäben 114 aufweist, zwischen denen eine Vielzahl von fensterartigen Aussparungen 113 vorhanden ist. Zur besseren Handhabbarkeit und zur mechanischen Stabilisierung sowie zur Verbesserung der elektrischen Eigenschaften kann das Bleigitter 101 am äußeren Rand eines, mehrere oder alle der nachfolgend genannten Rahmenteile  It can be seen that the lead grid 101 has a plurality of grid bars 114, between which a plurality of window-like recesses 113 is present. For better handling and for mechanical stabilization as well as for improving the electrical properties, the lead grid 101 on the outer edge of one, several or all of the frame parts mentioned below
aufweisen : oberes Rahmenteil 115, linkes Seitenrahmenteil 119, unteres comprising: upper frame part 115, left side frame part 119, lower one
Rahmenteil 117, rechtes Seitenrahmenteil 118. Frame part 117, right side frame part 118.
Die Figur 3 zeigt das Bleigitter 101 aus Figur 2, nachdem es zumindest teilweise bereits mit aktiver Masse, die in der Regel in pastöser Form aufgebracht wird, bedeckt wurde. Dieser Vorgang wird auch als Pastieren bezeichnet. Die Figur 4 zeigt das mit der aktiven Masse versehene Bleigitter 103 gemäß Figur 3 beim Einsetzen in einen taschenförmigen Separator 106. Die Figur 5 zeigt eine erfindungsgemäß ausgebildete Gitteranordnung 101, die wiederum einen Rahmen mit einem oberen Rahmenelement 120, einem unteren Rahmenelement 117, einem rechten Seitenrahmenelement 118 und einem linken Seitenrahmenelement 119 aufweist. Innerhalb des von den zuvor genannten Rahmenelementen umgebenen Bereichs befindet sich das Gitter 113. Wie erkennbar ist, ist die am oberen Rahmenelement 120 angeordnete FIG. 3 shows the lead grid 101 of FIG. 2 after it has been at least partly covered with active mass, which is usually applied in pasty form. This process is also called pasting. FIG. 4 shows the lead grid 103 provided with the active mass according to FIG. 3 when inserted into a pocket-shaped separator 106. FIG. 5 shows a grid arrangement 101 designed according to the invention, which in turn has a frame with an upper frame element 120, a lower frame element 117, a right Side frame member 118 and a left side frame member 119 has. Within the area surrounded by the aforementioned frame elements is the grid 113. As can be seen, the one located on the upper frame element 120 is
Anschlussfahne 103 unsymmetrisch etwas rechts von der Mitte der Connection lug 103 asymmetrically slightly to the right of the center of the
Gitteranordnung am oberen Rahmenelement 120 angeordnet. Eine vertikale Mittelachse A schneidet die Anschlussfahne 103 mittig und verläuft exakt Vertikal . Die vertikale Mittelachse A dient dabei auch als vertikale Referenzachse. Grid arrangement arranged on the upper frame member 120. A vertical central axis A intersects the connecting lug 103 in the center and runs exactly vertically. The vertical center axis A also serves as a vertical reference axis.
Das Gitter 113 ist in der Figur 5 mit weiteren Bezugszeichen detaillierter angegeben. Das Gitter 113 weist eine Vielzahl von Horizontalstäben auf, von denen beispielhaft die Horizontalstäbe 21 bis 25 mit Bezugszeichen versehen sind . Die Horizontalstäbe verlaufen im Wesentlichen horizontal . Die The grid 113 is shown in more detail in FIG. 5 with further reference numbers. The grid 113 has a plurality of horizontal bars, of which, by way of example, the horizontal bars 21 to 25 are provided with reference numerals. The horizontal bars are substantially horizontal. The
Horizontalstäbe werden von Vertikalstäben gekreuzt, geschnitten oder tangiert. Von den Vertikalstäben sind beispielhaft die Vertikalstäbe 9 bis 20 mit Horizontal bars are crossed, cut or tangled by vertical bars. Of the vertical rods are exemplified by the vertical rods 9 to 20
Bezugszeichen versehen. Die Vertikalstäbe verlaufen nicht exakt vertikal, sondern fächerförmig in unterschiedlichen Winkeln zueinander, wobei sie sich strahlenartig vom oberen Rahmenelement 120 fort erstrecken. Die mit Bezugszeichen gekennzeichneten Vertikalstäbe 9 bis 20 schneiden sowohl das obere Provided with reference numerals. The vertical bars do not run exactly vertically, but fan-shaped at different angles to each other, wherein they radiate away from the upper frame member 120 away. The vertical bars 9 to 20 marked with reference signs intersect both the upper one
Rahmenelement als auch, zumindest in gedachter Verlängeru ng, das untere Rahmenelement 117. Weitere links und rechts davon angeordnete Vertikalstäbe, die nicht mit Bezugszeichen versehen sind, schneiden das untere Rahmenelement 117 nicht, auch nicht in gedachter Verlängerung . Frame member as well as, at least in imaginary Verlängeru ng, the lower frame member 117. Further left and right of it arranged vertical bars, which are not provided with reference numerals, do not intersect the lower frame member 117, not even in an imaginary extension.
Bei der erfindungsgemäßen Gitteranordnung ist vorgesehen, dass die Summe aller Winkel der Vertikalstäbe 9 bis 20, d . h. der sowohl das obere als auch das untere Rahmenelement der Gitteranordnung schneidenden oder zu mindest in gedachter Verlängerung schneidenden Vertikalstäbe, größer als 7° ist. Die Winkel werden hierbei bezüglich der vertikalen Referenzachse A bestimmt. Es ergibt sich eine Summe aller Winkel, die ungefähr dem Schnittwinkel der Mittelachse M mit der vertikalen Referenzachse A entspricht. Mit anderen Worten, der sich durch die Summenbildung ergebende Neigungswinkel gegenüber der vertikalen In the grid arrangement according to the invention it is provided that the sum of all angles of the vertical rods 9 to 20, d. H. the vertical bars cutting both the upper and the lower frame element of the grid arrangement or cutting at least in imaginary extension, is greater than 7 °. The angles are determined here with respect to the vertical reference axis A. The result is a sum of all angles which corresponds approximately to the intersection angle of the central axis M with the vertical reference axis A. In other words, the inclination angle resulting from the summation over the vertical
Referenzachse A ist betragsmäßig größer als 7°. Reference axis A is greater than 7 ° in magnitude.
In entsprechender Weise weist die erfindungsgemäße Gitteranordnung auch hinsichtlich der Summe der Winkel des äußersten linken Vertikalstabs 9 und des äußersten rechten Vertikalstabs 20, die sowohl das obere als auch das untere Rahmenelement der Gitteranordnung schneiden oder zumindest in gedachter Verlängerung schneiden würden, einen Wert größer als 7° auf, wiederum bezüglich der vertikal verlaufenden Referenzachse A. Similarly, the grating assembly of the present invention also has a value greater than 7 in terms of the sum of the angles of the leftmost vertical rod 9 and outermost right vertical rod 20 that would intersect, or at least intersect, both the upper and lower frame members of the grid assembly °, again with respect to the vertical reference axis A.
Die Anschlussfahne 103 weist eine erste Vertikalseite 2 auf, die auf der Seite des längeren Schenkels 3 des oberen Rahmenelements 120 angeordnet ist. Eine gegenüberliegende zweite Vertikalseite 4 ist auf der Seite des kürzeren Schenkels 5 des oberen Rahmenelements 120 angeordnet. Die Schenkel 3, 5 werden jeweils links und rechts von der Anschlussfahne 103 gebildet. The terminal lug 103 has a first vertical side 2 which is arranged on the side of the longer leg 3 of the upper frame element 120. An opposite second vertical side 4 is disposed on the side of the shorter leg 5 of the upper frame member 120. The legs 3, 5 are each formed on the left and right of the terminal lug 103.
In der Gitteranordnung gemäß Figur 5 ist der Schwerpunkt S eingezeichnet. Der Vertikalstab 14 ist der dem Schwerpunkt S nächst gelegene Vertikalstab, d. h. derjenige Vertikalstab, der den geringsten Abstand zum Schwerpunkt S hat. In Figur 5 ist ferner die Mittelachse M des Vertikalstabs 14 eingezeichnet. Weiter ist als Gerade G eine Parallele zur Mittelachse M eingezeichnet, die durch den Schwerpunkt S verläuft. Diese Gerade G passiert die Anschlussfahne 103 auf der ersten Vertikalseite 2 mit einem Abstand D. Bei der erfindungsgemäßen In the grid arrangement according to Figure 5, the center of gravity S is located. The vertical bar 14 is the vertical bar closest to the center of gravity S, ie the one vertical bar which has the smallest distance to the center of gravity S. In Figure 5, the center axis M of the vertical rod 14 is also shown. Next is shown as a straight line G is a parallel to the central axis M, which passes through the center of gravity S. This straight line G passes the terminal lug 103 on the first vertical side 2 with a distance D. In the inventive
Gitteranordnung kann die Gerade G die Anschlussfahne 103 auch schneiden, insbesondere im Bereich der ersten Vertikalseite 2. Der Schnittpunkt kann auch an anderen Stellen der Anschlussfahne 103 liegen, bis hin zur der ersten Grid arrangement, the straight line G, the terminal lug 103 also intersect, especially in the region of the first vertical side 2. The intersection can also lie at other locations of the terminal lug 103, up to the first
Vertikalseite 2 gegenüberliegenden zweiten Vertikalseite 4 der Anschlussfahne 103. Vertical side 2 opposite second vertical side 4 of the terminal lug 103rd
Bei der erfindungsgemäßen Gitteranordnung kann ferner vorgesehen sein, dass eine Stelle 1, an der die Gerade G das obere Rahmenelement 120 schneidet, weniger als 15 %, insbesondere weniger als 10 %, der Länge L des oberen Rahmenelements 120 von der vertikalen Mittelachse A der Anschlussfahne 103 entfernt ist. Die Länge L des oberen Rahmenelements 120, die auch zugleich der Breite der Gitteranordnung 101 entspricht, ist in der Figur 5 eingezeichnet. In the grid arrangement according to the invention may further be provided that a point 1 at which the straight line G intersects the upper frame member 120, less than 15%, in particular less than 10%, of the length L of the upper frame member 120 from the vertical center axis A of the terminal lug 103 is removed. The length L of the upper frame member 120, which also corresponds to the width of the grid assembly 101 at the same time, is shown in FIG.
Ebenso ist die Breite B der Anschl ussfahne 103 eingezeichnet. Similarly, the width B of the Anschl ussfahne 103 is located.
Die Figur 6 zeigt eine weitere erfindungsgemäße Gitteranordnung 101, die schmaler baut als die Ausführungsform gemäß Figur 5. Die Länge L des oberen Rahmenelements ist daher geringer als bei der Ausführungsform gemäß Figur 5. Wegen der geringeren Gesamtbreite weist die Gitteranordnung 101 gemäß Figur 6 eine geringere Anzahl an Vertikalstäben auf. Von den Vertikalstäben, die das obere und zumindest in gedachter Verlängerung auch das untere Rahmenelement 117 schneiden, sind nur die Vertikalstäbe 9, 10, 11, 14, 17, 18, 19, 20 FIG. 6 shows a further grid arrangement 101 according to the invention, which has a thinner construction than the embodiment according to FIG. 5. The length L of the upper frame element is therefore smaller than in the embodiment according to FIG. 5. Because of the smaller overall width, the grid arrangement 101 according to FIG Number of vertical bars on. Of the vertical bars which intersect the upper and at least in an imaginary extension also the lower frame member 117, only the vertical bars 9, 10, 11, 14, 17, 18, 19, 20 are
vorhanden. Von dieser Teilmenge an Vertikalstäben ist der Vertikalstab 9 wiederum der äußerste linke Vertikalstab, und der Vertikalstab 20 available. Of this subset of vertical bars, the vertical bar 9 is again the extreme left vertical bar, and the vertical bar 20
der äußerste rechte Vertikalstab. Links und rechts dieser Teilmenge an the far right vertical bar. Left and right of this subset
Vertikalstäben sind weitere Vertikalstäbe angeordnet, die nicht mit Bezugszeichen versehen sind, und die auch nicht in Verlängerung das untere Rahmenelement 117 schneiden. In der Ausführungsform gemäß Figur 6 ist wiederum der  Vertical bars are arranged further vertical bars, which are not provided with reference numerals, and also do not intersect the lower frame member 117 in extension. In the embodiment according to FIG
Vertikalstab 14 derjenige Vertikalstab, der dem Schwerpunkt S der Vertical rod 14 of that vertical rod, the center of gravity S of
Gitteranordnung 101 an nächsten liegt. Grid assembly 101 is closest to.
Im Übrigen entsprechen die Bezeichnungen der Figur 6 denen der Figur 5. Otherwise, the designations of FIG. 6 correspond to those of FIG. 5.
In der Figur 6 ist rechts neben der Gitteranordnung 101 zur besseren In the figure 6 is right next to the grid assembly 101 for the better
Erkennbarkeit noch einmal die Anordnung aus Schwerpunkt S, Mittelachse M und Gerade G sowie der Abstand D von der Anschlussfahne 103 separat Recognizability once again the arrangement of focus S, centerline M and straight line G and the distance D from the terminal lug 103 separately
eingezeichnet, ohne die Gitterstäbe. Die Gerade G ist in ihrem Verlauf im linken Teil der Figur 6 teilweise schlecht erkennbar, weil sie zum Teil am Rand Vertikalstabs 14 verläuft. drawn without the bars. The straight line G is in its course in the left Part of Figure 6 partially poorly recognizable, because it runs partly at the edge of the vertical rod 14.
Die Ausführungsformen gemäß den Figuren 5 und 6 dokumentieren die universelle Einsetzbarkeit der vorliegenden Erfindung. The embodiments according to FIGS. 5 and 6 document the universal applicability of the present invention.

Claims

GITTERANORDNUNG FÜR EINE PLATTENFÖRMIGE BATTERIEELEKTRODE EINES ELEKTROCHEMISCHEN AKKUMULATORS SOWIE AKKUMULATOR Patentansprüche Lattice arrangement for a plate-shaped battery electrode of an electrochemical accumulator and accumulator claims
1. Gitteranordnung (101, 102) für eine plattenförmige Batterieelektrode (104, 105) eines elektrochemischen Akkumulators (100), aufweisend einen Rahmen (117, 118, 119, 120) und ein daran angeordnetes Gitter (113), wobei der Rahmen (117, 118, 119, 120) wenigstens ein oberes A grating arrangement (101, 102) for a plate-shaped battery electrode (104, 105) of an electrochemical accumulator (100), comprising a frame (117, 118, 119, 120) and a grid (113) arranged thereon, wherein the frame (117 , 118, 119, 120) at least one upper one
Rahmenelement (120) aufweist, an dessen dem Gitter (113) abgewandter Seite eine Anschlussfahne (103) der Batterieelektrode (104, 105) angeordnet ist, und wobei das Gitter (113) wenigstens aus  Frame element (120), on whose side facing away from the grid (113) a terminal lug (103) of the battery electrode (104, 105) is arranged, and wherein the grid (113) at least
Horizontalstäben (21 bis 25), die im Wesentlichen horizontal verlaufende Gitterstäbe sind, und Vertikalstäben (9 bis 20), die im Wesentlichen vertikal verlaufende Gitterstäbe sind, gebildet ist, wobei zumindest ein Anteil der Vertikalstäbe (9 bis 20) fächerförmig in unterschiedlichen Winkeln zueinander angeordnet ist, gekennzeichnet durch wenigstens eines, mehrere oder alle der folgenden Merkmale a), b), c), d):  Horizontal bars (21 to 25), which are substantially horizontally extending bars, and vertical bars (9 to 20), which are substantially vertically extending bars, is formed, wherein at least a portion of the vertical bars (9 to 20) fan-shaped at different angles to each other is arranged, characterized by at least one, several or all of the following features a), b), c), d):
a) eine Gerade (G), die durch den Schwerpunkt der Gitteranordnung (101, 102) verläuft und eine Parallele zur Mittelachse (M) desjenigen Vertikalstabs (14) ist, der den geringsten Abstand zum Schwerpunkt (S) der Gitteranordnung (101, 102) hat, passiert die Anschlussfahne (103) mit einem Abstand (D) von weniger als 15%, insbesondere weniger als 10%, der Anschlussfahnenbreite (B) oder schneidet die Anschlussfahne (103),  a) a straight line (G) which passes through the center of gravity of the grating arrangement (101, 102) and is parallel to the central axis (M) of the vertical bar (14) which is the smallest distance from the center of gravity (S) of the grating arrangement (101, 102 ), the connection lug (103) passes at a distance (D) of less than 15%, in particular less than 10%, of the connection lug width (B) or intersects the connection lug (103),
b) eine Gerade (G), die durch den Schwerpunkt der Gitteranordnung (101, 102) verläuft und eine Parallele zur Mittelachse (M) desjenigen Vertikalstabs (14) ist, der den geringsten Abstand zum Schwerpunkt (S) der Gitteranordnung (101, 102) hat, schneidet das obere b) a straight line (G) passing through the center of gravity of the grating assembly (101, 102) and parallel to the central axis (M) of the one Vertical bar (14), which has the smallest distance to the center of gravity (S) of the grid assembly (101, 102) intersects the upper
Rahmenelement (120) an einer Stelle (1), die weniger als 15%, insbesondere weniger als 10%, der Länge (L) des oberen  Frame element (120) at a location (1), the less than 15%, in particular less than 10%, the length (L) of the upper
Rahmenelements (120) von einer vertikalen Mittelachse (A) der Anschlussfahne (103) entfernt ist,  Frame member (120) from a vertical center axis (A) of the terminal lug (103) is removed,
c) die Summe aller Winkel derjenigen Vertikalstäbe (9 bis 20), die sowohl das obere als auch ein unteres Rahmenelement (120) der  c) the sum of all the angles of those vertical bars (9 to 20) connecting both the upper and a lower frame element (120) of the
Gitteranordnung (101, 102) schneiden oder zumindest in gedachter Verlängerung schneiden würden, ist größer als 7°, wobei die Winkel bezüglich einer exakt vertikal verlaufenden Achse (A) bestimmt werden, d) die Summe der Winkel des äußersten linken und des äußersten rechten Vertikalstabs (10, 20), die sowohl das obere als auch ein unteres Rahmenelement (120) der Gitteranordnung (101, 102) schneiden oder zumindest in gedachter Verlängerung schneiden würden, ist größer als 7°, wobei die Winkel bezüglich einer exakt vertikal verlaufenden Achse (A) bestimmt werden.  Grid arrangement (101, 102) would cut or cut at least in imaginary extension, is greater than 7 °, wherein the angles are determined with respect to an exactly vertical axis (A), d) the sum of the angles of the extreme left and the rightmost vertical rod (10, 20) which would cut or at least cut in an imaginary extension both the upper and a lower frame element (120) of the grid arrangement (101, 102) is greater than 7 °, wherein the angles with respect to an exactly vertical axis ( A).
2. Gitteranordnung nach Anspruch 1, dadurch gekennzeichnet, dass die 2. Grid arrangement according to claim 1, characterized in that the
fächerförmig angeordneten Vertikalstäbe (9 bis 20) eine Winkeldifferenz zwischen benachbarten Vertikalstäben von weniger als 5° aufweisen.  fan-shaped arranged vertical rods (9 to 20) have an angular difference between adjacent vertical bars of less than 5 °.
3. Gitteranordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Anschlussfahne (103) unsymmetrisch an dem oberen Rahmenelement (120) angeordnet ist und eine erste Vertikalseite (2) hat, die auf der Seite des längeren Schenkels (3) des oberen 3. Grid arrangement according to one of the preceding claims, characterized in that the terminal lug (103) is arranged asymmetrically on the upper frame member (120) and has a first vertical side (2) on the side of the longer leg (3) of the upper
Rahmenelements (120) angeordnet ist, wobei die Gerade (G) gemäß Merkmal a) des Anspruchs 1 die Anschlussfahne (103) an ihrer ersten Vertikalseite (2) passiert oder schneidet und/oder die Stelle (1), an der die Gerade (G) gemäß Merkmal b) des Anspruchs 1 das obere Rahmenelement (120) schneidet, im Bereich des längeren Schenkels (3) des oberen Rahmenelements (120) liegt.  Frame element (120) is arranged, wherein the straight line (G) according to feature a) of claim 1, the connection lug (103) on its first vertical side (2) passes or cuts and / or the point (1) at which the straight line (G ) according to feature b) of claim 1, the upper frame member (120) intersects, in the region of the longer leg (3) of the upper frame member (120).
4. Gitteranordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Gitteranordnung (101, 102) ein gestanztes Bleigitter ist. 4. Grid arrangement according to one of the preceding claims, characterized in that the grid arrangement (101, 102) is a punched lead grid.
5. Gitteranordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Gitteranordnung (101, 102) als positive 5. Grid arrangement according to one of the preceding claims, characterized in that the grid arrangement (101, 102) as a positive
Gitteranordnung für eine positive Batterieelektrode (104, 105) ausgebildet ist.  Grating arrangement for a positive battery electrode (104, 105) is formed.
6. Gitteranordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Rahmen (117, 118, 119, 120) das obere 6. Grid arrangement according to one of the preceding claims, characterized in that the frame (117, 118, 119, 120), the upper
Rahmenelement (120), ein unteres Rahmenelement (117) und ein linkes und ein rechtes Seitenrahmenelement (118, 119) aufweist, wobei das obere Rahmenelement (120) über das linke und das rechte  Frame member (120), a lower frame member (117) and a left and a right side frame member (118, 119), wherein the upper frame member (120) on the left and the right
Seitenrahmenelement (118, 119) mit dem unteren Rahmenelement (117) verbunden ist, wobei das Gitter (113) innerhalb des Rahmens (117, 118, 119, 120) angeordnet ist.  Side frame member (118, 119) is connected to the lower frame member (117), wherein the grid (113) within the frame (117, 118, 119, 120) is arranged.
7. Akkumulator (100) mit einer Vielzahl von zu einem oder mehreren 7. accumulator (100) having a plurality of to one or more
Elektrodenplattenblöcken (107) zusammengestellten plattenförmigen Batterieelektroden (104, 105), wobei eine, mehrere oder alle  Electrode plate blocks (107) assembled plate-shaped battery electrodes (104, 105), wherein one, several or all
Batterieelektroden (104, 105) eine Gitteranordnung (101, 102) nach einem der vorhergehenden Ansprüche aufweisen.  Battery electrodes (104, 105) have a grid arrangement (101, 102) according to any one of the preceding claims.
EP14781560.9A 2013-10-08 2014-10-08 Grid arrangement for a plate-shaped battery electrode of an electrochemical accumulator, and accumulator Withdrawn EP3055894A1 (en)

Applications Claiming Priority (2)

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DE102013111109.2A DE102013111109A1 (en) 2013-10-08 2013-10-08 Grid arrangement for a plate-shaped battery electrode of an electrochemical accumulator and accumulator
PCT/EP2014/071556 WO2015052244A1 (en) 2013-10-08 2014-10-08 Grid arrangement for a plate-shaped battery electrode of an electrochemical accumulator, and accumulator

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US10170768B2 (en) 2019-01-01
KR20160068817A (en) 2016-06-15
CN105745775B (en) 2019-08-27
US20190088953A1 (en) 2019-03-21
US10840515B2 (en) 2020-11-17
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US20230231146A1 (en) 2023-07-20
BR112016007219A2 (en) 2017-08-01
DE102013111109A1 (en) 2015-04-09
US11611082B2 (en) 2023-03-21
CN105745775A (en) 2016-07-06
JP2016533024A (en) 2016-10-20

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