JPS5996676A - Multi-cell type storage battery - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to multi-cell storage batteries, particularly those having virtually no movable electrolyte, i.e. those in which the electrolyte is in the form of a gel, or in which almost all of the electrolyte is in the form of electrodes and separators. - Concerning reconsolidated trapezoidal batteries that are absorbed in the evening. The present invention primarily relates to batteries of this type in the lead-acid type. A reconsolidated trapezoidal battery is a battery in which all of the electrolyte is absorbed into the electrode plates and separators, and the scum generated inside during use or charging is not released into the atmosphere but is recycled within the storage battery. It is something that is combined.

A conventional lead-acid battery consists of a plurality of single cells each having an upright plate-like lug and having mutually positive and negative charges 'fi,'j:'. Although the single cells are electrically connected, they are insulated from the electrolyte by a single cell partition wall, which is integral with the container and sealed with a lid. The electrode plates of each polarity are interconnected by respective plate straps, and the electrode straps of opposite polarity of adjacent single cells are connected by inter-cell connectors. Although the steps of forming plate straps and forming cell-to-cell connectors are often combined, the steps are nevertheless time consuming and expensive and require significant amounts of lead or lead alloys. This current path through the plate struts and the cell-to-cell connectors is relatively long, so that the battery has a considerable internal resistance. Furthermore, the grids that serve to retain the active material of the plates, and thus the plates themselves, are made relatively thick so as to exhibit considerable rigidity since the plates must withstand the forces to which they are subjected during assembly of the battery. The thickness of the plate means that it contains more lead than is required for electrochemistry, and that it uses considerably less active material than the theoretical maximum.

It is highly desirable to reduce the amount of lead or lead alloys used in plates, plate straps, and cell-to-cell connectors, and to eliminate the forming steps of plate straps and cell-to-cell connectors altogether if possible. This is desirable. Also,
It is also desirable to reduce the internal resistance of the storage battery by shortening the current path between single cells as much as possible, thereby increasing the maximum output current and, in the case of an automobile storage battery, increasing the crank rotational force.

207084 for UK patent application filed by the applicant. ! 1
The problem is that every other electrode of the two end single cells is a monopolar plate, while all other electrodes are half of bipolar plates, and the J plate is the one between the single cells that separates the two single cells. A recombinant multi-cell storage unit connected to the other half in an adjacent single cell by a bridge piece over one side of the bulkhead? li
z f is disclosed. Therefore, each electrode is integrally connected with the opposite negative electrode of the adjacent single cell by a bridge piece and the two are thus connected to separate plate straps (there is no need to form a lid between the single cells, and in addition, the single cell 1h). The current path is of minimal length, so the accumulator has a very low internal resistance.

Although the battery disclosed in this earlier application, Subara, is very advantageous in terms of its low internal resistance and the elimination of the formation process of plate straps and inter-cell connectors, it Assembly is a little complicated because the assembly process of sequentially inserting it into the container is manual.

It is therefore an object of the present invention to provide a multi-cell accumulator, in particular of the recombinant type, which has all the advantages of the accumulators disclosed in the above-mentioned specification, but which is very easy to assemble and has advantageous electrical and electrochemical properties. This is the purpose of

According to a first feature of the invention, each single cell has positive and negative battery plates separated by a separator material.
A multi-cell storage battery consisting of layers, each plate (or plate) lying on a common plane with the plate of the other cell, and each adjacent pair of single cells having opposing surfaces, but not all of the opposing surfaces are parallel. Preferably all the seat plates are located adjacent to the imaginary center line of each common plane, some on one side and others on the opposite side. The plates in each common plane are preferably two They are arranged in columns, one on either side of each center line.

In a preferred embodiment, there are bridge strips all extending across the centerline to connect pairs of oppositely polarized plates;
The plate pair connected to the plate pair and the accompanying bridge piece form the entire plate bipolar pair. The bridging piece is coplanar with the plates to which it connects, so that each plate, with the exception of each alternating plate in the two electrically end single cells, preferably has a polarity. Half of the plate bipolar pair, located on either side of each center line for plates of opposite polarity.

The center line of all common planes preferably lies in another common plane perpendicular to said common plane. The battery preferably consists of two rows of single cells arranged parallel to a center line, each common plane preferably having one row of positive plates on one side of the respective center line and one row of negative plates on the other side. There is one column.

According to another feature of the invention, the unique V storage battery, which has virtually no movable liquid dispersion, has two rows of storage cells arranged on both sides in a sealed container, and between the single cells. Connections extend between both columns.

According to another feature of the invention, the multi-cell storage battery includes a plurality of single cells connected in electrical VC series, the quasi-cells being arranged in two rows, with adjacent single cells in each row being spaced apart from each other. Electrically insulated, each cell has mutually positive and negative plates separated by a separator material, with every other polarization of each of the two-end cells connected to a unipolar plate. The remaining plates are each one of the bipolar plates connected to the other half of another single cell, and both halves of the plates of each bipolar pair are located on the y1 plane and are integrally formed. Connected by bridge pieces. In a preferred embodiment, adjacent pairs of single cells in each row are separated by single cell spacing walls in the y-plane, and the single cell spacing walls separating each plate plate from each adjacent single cell extend in the y-perpendicular direction. There is.

That is, in a storage battery according to this aspect of the invention, preferably having four or more single cells, two spaced rows of single cells are arranged, and the plates within the single cells are horizontal. , that is, in fact, the plates extend parallel to the lid, rather than perpendicular to the lid as in conventional ones. Preferably, the rows are straight and parallel to each other, although they may be generally arcuate.

Preferably, the plates are all rectangular, but this is not critical and may be any desired shape. However, it is highly preferred that the area and therefore the shape of all plates be the same.

The accumulator may be of the electrolyte-filled type (in which case the sepano may be of the conventional type, ie microporous PVC).

In this structure, great care must be taken to ensure that the single cells are electrochemically sealed together. This is somewhat problematic since the storage battery according to the invention has two rows of single cells connected in series by bridge pieces.

Adjacent single cells that are not directly connected by bridge pieces may be separated by providing a 14-wall wall between the single cells, preferably with the bottom of the container integral with the two side walls.

These should preferably extend half way across the width of the container if the bridge pieces extend entirely between two rows of single cells, and should be used as dividing walls from both sides of the container. are necessarily staggered from one another; for example, the two are offset by a half pitch, and must be sealed in the battery lid. The single cells that are not directly connected, i.e. the two rows of single cells, are sealed by molding a partition between each other and the bridge piece at that location by injecting a suitable material, e.g. epoxy resin, into the container. need to be stopped. Alternatively, grooves are then provided in the inter-cell integral partitions for receiving integral bridging pieces which are then sealed with, for example, epoxy resin or hot melt adhesive.

In both cases, the single cell partition wall will also be sealed in the battery lid.

However, the invention is even more applicable to storage batteries that are virtually free of mobile electrolyte, ie of the recombination type. In this latter case, the electrolyte is present in only a small amount within the single cell, i.e. there is virtually no unabsorbed free electrolyte, and the separator is made of compressible fibrous absorbent, preferably microfine glass. It is a fibrous material.

In this case, it is highly preferable that adjacent but not directly connected unit cells be separated by a unit cell spacing wall. This is because there is a risk that the separator material of the adjacent single cell may come into contact with that of the adjacent single cell and create an ionic leakage path between the single cells.These single cell partition walls do not need to be fixed within the container;
It may therefore be formed of a plastic bag material into which each single cell is placed, or it may be made of, for example, a hot melt adhesive cast therein. However, in a preferred embodiment of the invention in which all bridge pieces extend between two rows of single cells, the container is rectangular with one or more partitions integral with each side wall. In cross-section, the single-cell partitions extend only to the y-center of the container and are staggered with the partitions on the opposite side of the container.

In any case, it is not necessary for the single cells to be completely sealed between each other in this construction, and therefore the single cell spacing walls are effectively There is no need for sealing in the lid as there is believed to be little risk of ionic leakage current generation.

It is highly desirable for adjacent but not directly connected unit cells to be separated by a unit cell separation wall that is integral with the container or consists of a plastic bag in which the unit cell elements are placed. , because if there is no left side, the separator material between adjacent electrode plates will come into contact with the separator material of adjacent single cells, creating an ionic leakage path between single cells.
The unit cell spacing walls between adjacent unit cells that are directly connected by an inter-unit cell connector that separates the unit cells are such that the interval between them is sufficiently large to form two rows of separator materials. - is unnecessary as there is no risk of contact. Due to the fact that there is no free or mobile electrolyte in the battery, which is necessary for the conduction of ionic leakage currents between single cells, the presence of gaps between single cells is sufficient to prevent leakage currents between them. It is thought that. In this case, it was thought that the surface of the inter-single-cell connector made up of the bridge pieces would develop bits over time and become porous, potentially creating an inter-single-cell leakage current path. It is currently believed that this is not a problem in practice and that cell-to-cell connectors constructed with bridging strips may preferably pass through air gaps between pairs of cells without bulkheads or intercell seals. However, if there is a problem, this can be reduced by tilting the halves of each bipolar plate at a small angle with respect to each other.

This can be done by tilting each single cell row upwardly towards the center of the container so that the plates are positioned in an arched configuration. This increases the length of the bridge piece and therefore the length of the inter-cell leakage path. In this specification, the terms "is in the same plane" and "is in the common plane" are to be construed as such, and one or both halves of the bipolar plate may be It can be rotated about an axis parallel to one or both width directions. Most importantly, it should be noted that each half of the bipolar pair of plates extends approximately parallel to the direction of extension of the attached bridge piece.

Alternatively, however, the directly connected single cell pairs may be magnetochemically isolated from each other by an electrolyte impermeable barrier which subsequently together with the bridge piece constitutes an electrochemical seal. .

A barrier of this type can be formed by casting a liquid resin or plastic material, which later solidifies, into the space between two rows of single cells.

Apart from the two electrically end electrical cells, each electrical cell is electrically connected to two adjacent electrical cells. If each single cell is electrically connected to two single cells of the other single cell row, the two rows are preferably staggered in their longitudinal direction.

This is advantageous with respect to the physical arrangement of the cell-to-cell connectors, allowing all electrodes in the valley planes within each row to be of single polarity, facilitating the application of active material. When the two rows of single cells are not staggered, the plates in the same plane in the same row must have different polarities, which may result in the use of universally active materials or the different polarities of the plates in the same row. It is necessary to apply the active substances separately.

When the container is rectangular as in the past and the bridge pieces extend parallel to the end wall of the container and the two rows of single cells are staggered, one end of one row of single cells and one end of the other row of single cells A small amount of wasted space is inevitably created at the other end. This cavity can accommodate a battery terminal post, or it can be left open or filled with a backing piece of foamed plastic, for example. In another construction, the bridge piece extends perpendicularly to the direction in which the single cell rows extend and forms an acute angle to this direction. This can reduce the waste space inside the rectangular container.

Protective members, such as separator material, can be attached to the side surfaces of each single cell, that is, the cut surfaces, and can be engaged with the free ends of each electrode plate to act as a barrier to the growth of lead and completely prevent internal short circuits in the battery. The bridge piece may be entirely formed with a hole that divides it into two side-by-side parts; the effect of this hole will be explained later.

Each bipolar pair of plates may be connected by one bridge piece or by two or more spaced apart bridge pieces. In this latter variant, the two halves of the bipolar pair of plates are held together more aggressively, and the single cell they create can potentially end up being two single cells in contact, thus forming a battery. Relative movement or rotation that could cause an internal short circuit is prevented.

Other features and details of the invention will become apparent from the illustrative examples of embodiment with reference to the accompanying drawings, in which: FIG.

Referring first to Figures 1 to 6, the battery has a rectangular cross-section container (2), such as polypropylene, with six single cell partitions (4) on its longitudinal sides. Each bulkhead (
4) reaches only y to the longitudinal centerline of the container, and the partitions on one side of the container are staggered with those on the other side by a distance equal to V, which is half the distance between adjacent partitions. A partition divides the interior of the container into two rows of six equally sized chambers, one end of which is a cavity (6) and the other end of the other row a similar cavity.

Each cell bounded by a single-cell septum has alternating horizontal positive and negative plates interposed with a compressible fibrous absorbent separator material, in this case formed from microfine glass fiber sheets. The laminate is laminated into a flat shape.

Every other plate of the two terminal single cells, namely the leftmost single cell of the upper row and the rightmost single cell of the lower row as seen in FIGS. 2 and 6, has a lug (8) projecting therefrom. It forms a unipolar plate. This lug (8) is therefore located in two vertical stacks, which are respectively connected to the positive and negative terminal posts α0, which are located in the cavity (6) and extend through the battery lid. It stands out. The remaining plates of the two-terminated single cell and all the plates of the other single cells are connected by integral bridge pieces (b) each forming one of the bipolar pairs of plates and extending perpendicularly to the longitudinal direction of the single cell line. Connected to another half of the single cell in the opposite single cell line.

Each single cell has four perpendicular g-plane surfaces, at least two of which are spaced apart from and opposite to corresponding parallel surfaces of adjacent single cells. Some of the opposing surfaces extend perpendicularly to the longitudinal direction of the battery, and the remaining faces extend parallel to the longitudinal direction of the battery at an angle thereto.

Each single cell contains an insufficient amount of electrolyte to saturate the electrodes and separator material, such that gases released during charging of the battery recombine within the battery. The container is sealed by a lid (not shown) which has a single safety vent which allows each unit cell to be vented and to absorb the gas at a rate greater than that which is recombined. If there is a release, it can be vented. The lid, or a pad (not shown) underneath the lid, engages the top of the single cell elements to dampen these vibrations and reduce the volume of space in which potentially explosive gas mixtures can accumulate. As can be seen in Figure 2, there is a considerable gap between each vehicle cell and the adjacent side wall of the container to allow easy introduction of the electrolyte into the storage tank and to allow the initial formation of the VC/or storage battery. This makes it possible to store excess electrolyte when carrying out this process.

In a variant embodiment not shown, the bridge piece (2) extends at an acute angle in the direction in which the middle cell rows extend. Although this will reduce the volume of the air tail (6), it cannot be completely eliminated when the container is defined by a rectangular I\r surface.

This storage battery is made by the method described below with reference to FIGS. 4-6. One of them is shown in Figure 4.
An elongated or continuous electric grid member, i.e., a grid row (e)
is formed having two successive grids of lead or sill metal, each having an ear (26). Each grid column is the center line (40)i
7il: is y-symmetric. The ears are connected together at spaced intervals by bridge pieces marked C. The grid rows may be cast in a conventional casting machine, but in this embodiment a long plate of lead or lead alloy is continuously stretched in a stretcher with the central unstretched section intact and then bridged from the unstretched section. The rectangular sections are removed to form openings separated by the strips (2 marks). The grids (22+ and 2) are then each paced with a positive or negative active substance, or both are injected with the same universal active substance. The positive electrode grid (24) grid structure is preferably smaller than the negative electrode grid (24), but the positive electrode grid (24) is smaller in size than the negative electrode grid (24). This is because the material requires a larger physical support than the negative oil material.The grid mesh preferably has a cross section that decreases as it moves away from one layer of the trench or bridge piece. Improves the electrical performance of storage batteries.

A plurality of pasted grid rows, which may now be referred to as plate rows, are combined with fine glass interposed between adjacent pairs of elongated grids (241) to form a composite laminate structure as schematically illustrated in FIG. The fiber separator material Cυ is covered with elongated strips of fiber separator material Cυ. The plate rows are staggered by a half pitch so that the bridge strips of each outer row are near the center of the aperture created by the bridge strips of each adjacent pole row.

After the formation of the laminated package, a plurality of cuts G2) are made on each side of it over its entire height and within the central cavity defined by the bridge piece (28). make. The cuts on each side of the stack are spaced apart by a distance equal to the spacing of the bridge pieces of the plate row, and the cuts on both sides are staggered longitudinally by half pitches. The laminate structure is therefore a series of two rows of stacks of separate plates of alternating polarity, with each plate connected to a plate of opposite polarity in the plate stack in the other line by an integral bridge piece. separated into separate lines. This cut may be made with any suitable kerf that does not deform the cut end of the plate to the extent that it contacts an adjacent plate in the M layer, and this can be easily done with a high speed band saw. It is clear that

The two lines of plate stacks are interconnected by a plurality of bridge strips located within the stack, with the bridge strips in each stack alternately connecting the positive plates in one stack of one line to the stack in the other line. The negative electrode plate of one line is connected to the positive electrode plate of the other line. A particular laminate of bridge pieces is cut at its midpoint, e.g. with a high-speed band saw.
Separate the e10i structure into storage battery elements. It should be noted that the stack of bridge pieces to be cut is selected depending on the number of single cells that the battery should have, and in the case of a six single cell 12 volt battery, the sixth bridge piece stack is cut. Note that each battery element therefore has a stack of cut bridge pieces at both ends thereof, which are connected to the battery terminals in the finished battery.

This connection operation can be carried out by any conventional method, but in this embodiment, the connection operation is performed by placing the laminated structure in a clamp for cutting.
Each of the two stacks of cut bridge pieces forms a mold around the clamped one, e.g. a two-part comb.
) Connect them to each other by @ mold or by placing them in a mold and pouring all the molten lead or molten lead alloy into it.

% storage battery element is placed in a storage battery container with an integral single cell partition as shown in FIGS. 1 to 5, for example, by lowering the storage container onto the storage battery element with the storage battery element supported on the bottom plate of an open clamp. Alternatively, each stack of plates is individually placed in a plastic bag and the battery element is then placed in a battery container without fixed single cell partitions. In an assembled accumulator, each plate stack forms one unit cell, and each electrode of the two end single cells, i.e. the single cells at the electrical ends of the series connected single cells, has its bridge piece already The one that is cut forms a monopolar plate and is connected to the terminals of the battery, while the remaining plate forms one half of a bipolar pair of plates, the other half of which is in a separate single cell line. Please note that.

an electrolyte is then added into each single cell in any suitable manner either before or after placing the battery element into the battery container, but in an amount insufficient to saturate the electrodes and separator material; Next, a lid is sealed on the storage battery container to complete the storage battery. The lid, or overlapping pad, exerts pressure on the entire unit cell to compress the plates and separators into intimate contact, which is believed to be necessary for adequate recombination action. The formation of plate straps and cell-to-cell connectors is unnecessary because each plate forming one half of a bipolar pair of plates is connected to another half by a bridge piece that constitutes a cell-to-cell connector. Therefore, only a terminal post is needed to connect the two stacks of cut bridge pieces, and the nuclear terminal post may protrude through the lid or connect to each terminal protruding from the capacitor lid. good.

In the method described above, the battery is assembled from an electrode member consisting of two elongated stretched grids connected to each other by means of spaced apart free bridge pieces. Leave a stretched land,
It can then be made very easily by removing parts from this part. Since this method is very uneconomical in terms of materials, in another assembly method, not shown, each electrode element consists of an elongated metal strip stretched over its entire area.

The central portions removed from these strips are either very short compared to the case with a central unstretched land (the remaining bridge pieces have a length between 1/4 and 1/2 the pitch of the bridge pieces). Although this bridge piece itself has the shape of a stretched grid, its electrical action has been found to be completely sufficient. Note that the removed portion in 2 is quite small because it is stretched and not empty.

In the embodiments described above, the electrode elements, i.e. the grid rows, and the plates of the completed battery are made of stretched metal, so that in this case the grid cannot be identified as being in the electrode element, and the individual plates are separated after pasting before cutting. It should be noted that rather than being directly identifiable, cuts are provided to separate the pasted electrode members into individual plate stacks that can be identified. However, in an alternative embodiment described below with reference to FIGS. 7-8, the plates are cut from a pasted interconnected grid casting, which grids are separated into two rows. It consists of identifiable plate lines, with the plates of each line being joined together by temporary links.

Referring now to FIG. 7, the battery grid rows are flat strips of lead or lead alloy mesh continuously cast in a casting machine of the general type described in U.S. Pat. No. 4,5A9.067. The short cast mesh formed is shown in FIG. The casting has the shape of grid rows arranged in two spaced apart parallel lines located on either side of the center line or line of symmetry (also called 4G).The grid αη of one line is for forming on the negative electrode plate. The grid of the other line for formation on the positive electrode plate is alternated with 0 fathom and half a pitch.

These two lines are separated by a gap (li), but each negative electrode grid has a bridge piece or lug (
It is integrally connected to the positive electrode grid via two barrels. The pitch of the lag @ is therefore equal to the pitch of the grid of both lines. Although the grids of each line are separated, they are connected by integral, partial holes, which provide some stability to the cast long strips, but may be cut during battery assembly. Ru. Each grid is provided with bars αη extending in the longitudinal direction of the column, but the -C positive grids are located closer together compared to the negative grids. The negative grid also has bars extending transversely in the longitudinal direction of the rows, while the positive grid has bars located radially from the lugs (2119). It has been widened near the connection point with (to).

Overall, the bars of the positive grid are wider than those of the negative grid, and the thickness of a typical automotive battery grid is approximately 111 IIl! or less. After casting,
Pasting is done on the strips, ie on the application of the active substance to the grid. That is, positive and negative active substances are applied to both the positive and negative grid lines, respectively, in any conventional manner.

The battery is assembled from such pasted grid rows by forming a laminated structure and then making cuts in a manner similar to that described above.

However, in this embodiment, the laminate structure is not continuous and each grid row is cut to the desired length before forming the laminate structure, eliminating the need to cut the bridge strip laminate.

In one particular method of assembling the battery, 144 interconnected grids of the shape shown in FIG. It is placed on a grid or row of plates and, if desired, is loosely fixed to this.

Cut this strip from the appropriate link 0Q, the bridge piece (c), and the separator material on the link.
Cut into columns. A 24-layer stacked structure is created, in which every other plate row is used to achieve the desired placement of alternating polarity plates.
Note that it is necessary to rotate i is o'.

A total of four cuts are necessary and sufficient to separate the stacked structure into individual unit battery packs, each cutting a partial link (6) in each of the 24 layers. The monopolar plates of the two end-cells, i.e. the single cells at one end of one row and the other end of the other row, have bridge pieces cut before the formation of the laminate structure, so that other It should be noted that apart from the sequence, it is terminated.

The resulting stacked structure is similar to that shown schematically on the right side of FIG. As in the previous embodiment, the laminated structure has a multilayer thickness, and the precise number of layers is related to the desired current capacity of the storage battery. First of the laminated structure. The 3rd, 51st, etc. layers have a negative electrode plate on one side, and the 2nd... In the 41st, etc. layer, the negative plate is on the opposite side of the stack.

As seen in FIG. 7, each bridge piece is separated into two by a central gap 0Q extending parallel to its longitudinal direction, ie at right angles to the longitudinal direction of the row. During the separation of the continuously cast strips into individual grid rows, each sixth bridge piece is also cut, which is done by making two cuts leading into the gap 0Q, resulting in two long lengths. Make a terminal connection section, shown as 1G in FIG. 7, of the full length but half the width.

After creating a laminated structure from individual plate rows, link (6)
This is then clamped to facilitate separation into individual single cell packs. The connector ←→ is located as two vertical stacks and a tapered terminal post V) is formed around such a stack, preferably by pouring molten lead into a mold provided around the stack. The cross-sectional area of the terminal post (b) increases at its output end to be equal to the sum of the cross-sectional areas of each of the bridge pieces (example laminations), which of course form the internal connector with the finished battery. ing.

The terminal pole has a length of 4 to reduce the internal resistance of the storage battery.
Position it near the inner surface of the grid.

The cut structure is then placed in one piece in a container (2) seen in FIG. 8, of similar construction to that shown in FIG. Connect the side terminal connector shaft on the container before or after the terminal post 6
Connect by resistance welding or other method. The battery is then electrochemically formed and the container is sealed with a lid.

In the variant structure of the 12 volt automotive battery shown schematically in FIGS. 9 and 10, only one cell-to-cell connector formed by a stack of bridging pieces (6) extends between two rows of cells. The remaining four connectors of this type extend in the longitudinal direction of the row, with two connectors in each row. This eliminates the need for a staggered arrangement of two rows of single cells, thus resulting in a total of six single cells having a substantially rectangular planar shape. Furthermore, the polarity of the plates within each row within each flat plate array is equal to 1. Unlike the previous embodiment, there is alternating polarity within each column.

Pairs of single cells that are directly connected by cell-to-cell connectors are kept separated only by the bridge piece that forms the cell-to-cell connector, but pairs of single cells that are adjacent but not directly connected For example, the two left-hand single cells of the upper and lower rows of single cells as seen in FIGS. 9 and 10 are separated by a single-cell separation wall that is integral with the container (2).

Such batteries are assembled by casting a plurality of grid rows of the two types shown in FIGS. 9 and 10, respectively, where the grids have integral bridge pieces and integral temporary links (2) shown in dotted lines. connected with. The rows of grids can then be pasted all together with a universal active material, or alternatively, each grid can be pasted individually with an active material specific to the polarity to be taken in the finished battery. Next, the laminated structure t
Two types of electrode plate rows are alternately arranged, and each electrode plate is constructed in a state in which adjacent electrode plates aligned with each other are separated by a separator material strip. Then, a partial sunk αek cut is made, while leaving the bridge piece (6) intact to make 6 cuts in the laminated structure.

The battery is then finished as described above in connection with the previous embodiment.

The term "accumulator of a type having virtually no mobile electrolyte" does not exclude the possibility that small amounts of free electrolyte may be present for at least a significant amount of time. That is, after electrochemical formation, there may be a small amount of free electrolyte in the recombination battery, but this is easily electrolyzed once the battery is placed in service and placed in full recombination mode. It disappears and disappears. Similarly, over-discharging a recombination battery creates a small amount of free water, which is reabsorbed by recharging the battery.

This battery makes very economical use of all lead since all of the lead used during casting is contained within the finished battery, with the exception of a small amount of lead forming some interconnecting links.

Due to the "horizontal" nature of the plates in the finished battery and the fact that they are held horizontally at all times during assembly of the battery, the plates are electrical It may be designed with chemical efficiency primarily in mind. This allows the plates to be made considerably thinner relative to conventional batteries, resulting in better utilization of the active material and a lower amount of metallic lead within the battery. The above facts, combined with the fact that the inter-cell connections are integral and necessarily have a minimum theoretical length, make the peak undercurrent that a battery can generate very high; In this case, a lightweight storage battery must have the capacity to provide a given crank rotational force determined by the peak current.

[Brief explanation of drawings]

FIG. 1 is a perspective view of a recombined 12 volt automotive lead-acid battery with the lid removed for clarity, and FIG. 2 is a top view of the battery of FIG. 1 showing only the top layer of the plates. , FIG. 6 is a view similar to FIG. 2 showing only the plate layer below the top layer, and FIG. 4 is a view similar to FIG. FIG. 8 is a plan view of a single cast electrode member or grid row used in the assembly of an alternating structure of a battery; FIG.
Figures 9 and 10 are similar to Figure 9, and Figures 9 and 10 are the second diagram showing a modification/example of a storage battery using cast plate arrays, respectively.
FIG. 6 is a diagram similar to FIG. 2... Container 4... Single cell partition wall 6... Vacant room
8... Lug 10.57... Terminal post 11, 14,
22゜24... Grid 12... Single bridge piece 16... Gap 15... Temporary link 17,1
8.19... Bar 20... Grid column 21.
...Grid frame 26...Ear 28...Bridge piece
60... Sebanuta material strip 62... Cutting section 40.
... Center line (line of symmetry) 46 ... Center gap 48 ...
Terminal connection part 58... Side terminal connector agent Patent attorney Sanro Kimura, 9, 1. Indication of the case Japanese Patent Application No. 58-201140 No. 2, Title of invention: Multi-cell storage battery 4, Agent 6, Supplement 1 G sentence, 1 image Contents of ``Scope of Claims'' in Clause 7, Supplement 1 G (1) Attached claims (after amendment) that amend the % claims in the attached sheet (after amendment)
It is made up of a stack of storage battery plates, each plate is in a common plane with the plates in other single cells, and if adjacent single cell pairs (have their respective opposing surfaces, Multi-cell storage batteries where all of the same surfaces are not parallel. (2) All four poles or those that are close to the temporary center line in each common plane and those that are on one side with respect to the center line are on the other side. Trusted %:!'+Storage battery according to claim 1. (3) The number of electrode plates in each common plane is 2 and 11.
2. A single battery according to claim 2, wherein one battery is located on each side of the center line. (4) Claims 1 to 3 include a bridge piece that connects a pair of plates of opposite polarity, and this type of connected plate and the attached bridge piece form a bipolar plate pair. The storage battery according to any one of the items up to item 6. (5) The storage battery according to claim 4, in which the bridge piece is integral with the electrode plate to which it is connected: X: on the same plane. ((j) The storage battery according to claim @4 or 5, in which all the bridge pieces extend across each center line. (7) The center line of the all-passing plane lies in the common plane. A storage battery according to any one of the preceding claims in which each apex lies in another common plane at right angles. (8) The single cells are electrically connected in series, each plate having an electrical end 2 single cells, each half of a plate bipolar pair consisting of plates of opposite polarity, with the exception of each alternating pole of two single cells in each central line of 1 Nil K. The storage battery according to any one of claims 2 to 8, which has two rows of single cells parallel to the center line. flol Within each common plane The positive electrode plate is on the 1st side of the center line,
The storage battery according to any one of claims 2 to 9, which has a negative electrode plate on the other side. 0υ A storage battery consisting of two rows of single cells arranged on both sides in a sealed container, with all intercell connections extending between the rows, and virtually free of movable electrolyte. αz Contains a plurality of single cells electrically connected in series, each single cell is arranged in two rows, adjacent single cells in each row are electrically insulated from each other, and each single cell is electrically insulated from each other. The cell consists of alternating positive and negative plates separated by separator material, with every other plate in each of the end 2 single cells being a single orange plate and all remaining plates being separate plates. A multi-cell storage battery in which one half of the plate bipolar pair is connected to the other half in the cell, and both halves of each plate bipolar pair are connected by an integral bridge piece in a single plane. (13 Pairs of adjacent single cells in each row are bounded by a single-cell spacer wall in the y-plane, and each plate is isolated from each adjacent single cell to each single-cell spacer wall that borders it.) The storage battery according to claim 12, which is at right angles. The storage battery according to claim 1. The storage battery according to claim 1. --"-""-1iuD- battery.

Claims (9)

[Claims] (1) Each single cell consists of a stack of positive and negative battery plates separated by a forest of separators, each plate being in a y-common plane with the plates in other single cells. A multicell storage battery in which adjacent pairs of single cells each have opposing surfaces, but the opposing surfaces are not all parallel. (2) A storage battery according to claim 1, in which all the electrode plates are located close to the temporary center line in each common plane, and those on one side of the center line are located on the other side. . (3) There are two rows of electrode plates in each common plane, one of which is
3. A storage battery according to claim 2, with one on each side of the center line. (4) including a bridge piece connecting a pair of plates of opposite polarity;
4. A storage battery according to any one of claims 1 to 3, wherein such connected plates and associated bridge pieces form a bipolar plate pair. (5) The storage battery according to claim 4, wherein the bridge piece and the electrode plate to which it is connected are on the same plane. (6) A storage battery according to claim 4 or 5, in which all bridge pieces extend across each center line. (7) The storage battery according to any one of the preceding claims, wherein the center line of all the common planes lies in another common plane perpendicular to the common plane. (8) The single cells are electrically connected in series, each plate electrically consisting of plates of opposite polarity on each side of each center line, except for each alternating pole of the two single cells at the ends. The storage battery according to any one of claims 2 to 7, which is half of a bipolar pair of plates. (9) The storage battery according to any one of claims 2 to 8, having two rows of single cells parallel to the center line. αQ The storage battery according to any one of claims 2 to 9, wherein the positive electrode plate is on one side of the center line and the negative electrode plate is on the other side of the center line in each common plane. ◇η Consists of two rows of single cells lined up on both sides inside a sealed container, and the inter-vehicle cell connection extends between both rows. A storage battery that contains virtually no moving electrolyte. (b) It includes a plurality of single cells electrically connected in series, each single cell is arranged in two rows, adjacent single cells in each row are electrochemically insulated from each other, and each single cell is arranged in two rows. The cell consists of alternating positive and negative plates separated by a separator material;
Every other plate in each of the end 2 single cells is a monopolar plate, and every remaining plate is one half of a bipolar pair of plates connected to the other half in another single cell, and each Both halves of the bipolar pair of plates are y
Multi-cell accumulators located in a single plane and connected by integral bridge pieces. (c) Adjacent pairs of single cells in each column are bounded by single-cell spacing walls in the y-plane, and each electrode plate has a g 13. A storage battery according to claim 12, which is arranged at right angles.