CN116885401A - Stacked lead-acid battery - Google Patents
Stacked lead-acid battery Download PDFInfo
- Publication number
- CN116885401A CN116885401A CN202310915047.XA CN202310915047A CN116885401A CN 116885401 A CN116885401 A CN 116885401A CN 202310915047 A CN202310915047 A CN 202310915047A CN 116885401 A CN116885401 A CN 116885401A
- Authority
- CN
- China
- Prior art keywords
- positive electrode
- negative electrode
- negative
- positive
- plate
- 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.)
- Pending
Links
- 239000002253 acid Substances 0.000 title claims abstract description 16
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 9
- 239000003792 electrolyte Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 3
- YADSGOSSYOOKMP-UHFFFAOYSA-N dioxolead Chemical group O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
- H01M50/541—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges for 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
- H01M10/14—Assembling a group of electrodes or separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
Abstract
The application discloses a laminated lead-acid battery, which comprises a polar plate assembly, an anode busbar and a cathode busbar; the electrode plate assembly comprises a plurality of positive electrode plates and negative electrode plates which are horizontally arranged and vertically overlapped in an alternating mode, positive electrode lugs are arranged at one side end of each positive electrode plate, negative electrode lugs are arranged at the other side end of each negative electrode plate, and a diaphragm is arranged between each positive electrode plate and each negative electrode plate which are vertically adjacent; the positive electrode bus bars are connected with positive electrode lugs on one side of each positive electrode plate, and positive electrode posts are arranged on the positive electrode bus bars; the negative electrode bus bars are connected with negative electrode lugs on one side of each negative electrode plate, and negative electrode columns are arranged on the negative electrode bus bars. The application avoids the problems of rapid decay of the capacity of the storage battery and early termination of the service life caused by unbalanced charge and discharge of the upper part and the lower part of the battery.
Description
Technical Field
The application relates to the technical field of batteries, in particular to a laminated lead-acid battery.
Background
Lead acid batteries (VRLA), which are batteries in which the electrodes are made mainly of lead and its oxides and the electrolyte is a sulfuric acid solution. In the discharging state of the lead-acid battery, the main component of the positive electrode is lead dioxide, the main component of the negative electrode is lead, and in the charging state, the main components of the positive electrode and the negative electrode are lead sulfate. The polar plates of the traditional lead-acid battery are generally vertically arranged, so that the concentration of sulfuric acid at the lower part is high, the concentration of sulfuric acid at the upper part is low, the upper part and the lower part of the battery are unbalanced in charge and discharge, the capacity of the storage battery is finally quickly attenuated, and the service life of the storage battery is ended in advance.
Disclosure of Invention
Aiming at the defects in the prior art, the application provides a laminated lead-acid battery, which is used for avoiding the problems of rapid decay of the capacity of the battery and early end of service life caused by unbalanced charge and discharge of the upper part and the lower part of the battery.
The present application provides a stacked lead acid battery comprising:
the electrode plate assembly comprises a plurality of positive electrode plates and negative electrode plates which are horizontally arranged and are overlapped up and down alternately, wherein positive electrode lugs are arranged at one side end of each positive electrode plate, negative electrode lugs are arranged at the other side end of each negative electrode plate, and diaphragms are arranged between the upper and lower adjacent positive electrode plates and negative electrode plates;
the positive electrode bus bars are connected with positive electrode lugs on one side of each positive electrode plate, and positive electrode posts are arranged on the positive electrode bus bars;
the negative electrode bus bars are connected with the negative electrode lugs on one side of each negative plate, and negative electrode posts are arranged on the negative electrode bus bars.
Further, the positive electrode tab of each positive electrode plate and the negative electrode tab of each negative electrode plate are respectively located on two opposite sides.
Further, the upper end of the positive electrode busbar is provided with a positive electrode column mounting plate which is turned inwards by 90 degrees and is formed on the upper side of the polar plate assembly, and the positive electrode column is fixed on the positive electrode column mounting plate;
the upper end of the negative electrode busbar is provided with a negative electrode column mounting plate which is turned inwards by 90 degrees and is formed on the upper side of the polar plate assembly, and the negative electrode column is fixed on the negative electrode column mounting plate.
Further, two positive electrode posts are arranged on the positive electrode post mounting plate, and two negative electrode posts are arranged on the negative electrode post mounting plate.
Further, the battery pack also comprises a battery case, wherein the polar plate assembly, the positive electrode bus bar and the negative electrode bus bar are arranged in the battery case, and openings for the positive electrode column and the negative electrode column to pass through are formed in the top of the battery case.
Further, the top of the battery case is also provided with a liquid injection port.
The beneficial effects of the application are as follows:
according to the application, the horizontally arranged positive plate and negative plate are adopted, and electrolyte (concentrated sulfuric acid) is adsorbed in the diaphragm between the horizontal positive plate and the negative plate, so that the condition of unbalanced electrolyte concentration is avoided, the problems of rapid attenuation of the capacity of the storage battery and early service life termination caused by unbalanced charge and discharge of different parts of the battery are avoided, the positive plates are connected in parallel through the positive bus bar, the negative plates are connected in parallel through the negative bus bar, the maximum instant discharge current can be increased, and the instant discharge current can reach 50c.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is an internal cross-sectional view of an embodiment of the present application;
fig. 2 is a top view of an embodiment of the present application.
Reference numerals: 100-polar plate assembly; 110-positive plate; 111-positive electrode lugs; 120-negative plate; 121-negative electrode ear; 130-a membrane; 200-positive bus bar; 210-positive electrode post; 220-positive pole mounting plate; 300-negative bus bar; 310-negative electrode column; 320-a negative pole mounting plate; 400-battery case; 410-opening holes; 420-liquid injection port.
Detailed Description
Embodiments of the technical scheme of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present application, and thus are merely examples, and are not intended to limit the scope of the present application.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs.
As shown in fig. 1 and 2, an embodiment of the present application provides a stacked lead acid battery including a plate assembly 100, a positive bus bar 200, and a negative bus bar 300.
The electrode plate assembly 100 includes a plurality of positive electrode plates 110 and negative electrode plates 120 horizontally arranged and alternately overlapped up and down, each positive electrode plate 110 is provided with a positive electrode tab 111 at one side end, each negative electrode plate 120 is provided with a negative electrode tab 121 at the other side end, the positive electrode tab 111 of each positive electrode plate 110 and the negative electrode tab 121 of each negative electrode plate 120 may be located at adjacent sides or opposite sides, preferably at both sides, and a separator 130 is provided between each positive electrode plate 110 and negative electrode plate 120 adjacent up and down.
The positive electrode bus bar 200 is connected with the positive electrode lug 111 at one side of each positive electrode plate 110, and the positive electrode bus bar 200 is provided with a positive electrode column 210, preferably, the upper end of the positive electrode bus bar 200 is provided with a positive electrode column mounting plate 220 which is turned inwards by 90 degrees and is formed at the upper side of the electrode plate assembly 100, the positive electrode column 210 is fixed on the positive electrode column mounting plate 220, and the positive electrode column mounting plate 220 is specifically provided with two positive electrode columns 210.
The negative electrode bus bar 300 is connected with the negative electrode lugs 121 on one side of each negative electrode plate 120, and a negative electrode post 310 is arranged on the negative electrode bus bar 300, preferably, the upper end of the negative electrode bus bar 300 is provided with a negative electrode post mounting plate 320 which is turned inwards by 90 degrees to form on the upper side of the electrode plate assembly 100, the negative electrode post 310 is fixed on the negative electrode post mounting plate 320, and two negative electrode posts 310 are specifically arranged on the negative electrode post mounting plate 320.
The embodiment further includes a battery case 400, in which the electrode plate assembly 100, the positive electrode bus bar 200, and the negative electrode bus bar 300 are disposed in the battery case 400, and an opening 410 for the positive electrode post 210 and the negative electrode post 310 to pass through is disposed at the top of the battery case 400. The top of the battery case 400 is further provided with a liquid injection port 420, and an electrolyte (concentrated sulfuric acid) may be injected into the battery case 400 through the liquid injection port 420.
The application adopts the horizontally arranged positive plates 110 and negative plates 120, and electrolyte (concentrated sulfuric acid) is adsorbed in the diaphragm 130 between the horizontal positive plates 110 and negative plates 120, so that the condition of unbalanced concentration of the electrolyte does not occur, thereby avoiding the problems of rapid attenuation of the capacity of the storage battery and early termination of service life caused by unbalanced charge and discharge of different parts of the battery, and simultaneously, a plurality of positive plates 110 are connected in parallel through the positive electrode bus bar 200, and a plurality of negative plates 120 are connected in parallel through the negative electrode bus bar 300, so that the maximum instant discharge current can be increased, and the instant discharge current can reach 50c.
In the description of the present application, it is to be understood that the terminology used herein is for the purpose of description only and is not to be interpreted as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, the meaning of "plurality" is two or more unless specifically defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; may be an electrical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present application, numerous specific details are set forth. However, it is understood that embodiments of the application may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application, and are intended to be included within the scope of the appended claims and description.
Claims (6)
1. A stacked lead acid battery comprising:
the electrode plate assembly comprises a plurality of positive electrode plates and negative electrode plates which are horizontally arranged and are overlapped up and down alternately, wherein positive electrode lugs are arranged at one side end of each positive electrode plate, negative electrode lugs are arranged at the other side end of each negative electrode plate, and diaphragms are arranged between the upper and lower adjacent positive electrode plates and negative electrode plates;
the positive electrode bus bars are connected with positive electrode lugs on one side of each positive electrode plate, and positive electrode posts are arranged on the positive electrode bus bars;
the negative electrode bus bars are connected with the negative electrode lugs on one side of each negative plate, and negative electrode posts are arranged on the negative electrode bus bars.
2. The laminated lead-acid battery of claim 1, wherein,
the positive lugs of the positive plates and the negative lugs of the negative plates are respectively positioned on two opposite sides.
3. The laminated lead-acid battery of claim 1, wherein,
the upper end of the positive electrode busbar is provided with a positive electrode column mounting plate which is turned inwards by 90 degrees and is formed on the upper side of the polar plate assembly, and the positive electrode column is fixed on the positive electrode column mounting plate;
the upper end of the negative electrode busbar is provided with a negative electrode column mounting plate which is turned inwards by 90 degrees and is formed on the upper side of the polar plate assembly, and the negative electrode column is fixed on the negative electrode column mounting plate.
4. The laminated lead-acid battery of claim 3, wherein,
the positive pole is arranged on the positive pole mounting plate, and the negative pole is arranged on the negative pole mounting plate.
5. The laminated lead-acid battery of claim 3, wherein,
the battery pack is characterized by further comprising a battery case, wherein the polar plate assembly, the positive electrode bus bar and the negative electrode bus bar are all arranged in the battery case, and openings for the positive electrode column and the negative electrode column to penetrate out are formed in the top of the battery case.
6. The laminated lead-acid battery of claim 5, wherein,
the top of the battery shell is also provided with a liquid injection port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310915047.XA CN116885401A (en) | 2023-07-25 | 2023-07-25 | Stacked lead-acid battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310915047.XA CN116885401A (en) | 2023-07-25 | 2023-07-25 | Stacked lead-acid battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116885401A true CN116885401A (en) | 2023-10-13 |
Family
ID=88269703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310915047.XA Pending CN116885401A (en) | 2023-07-25 | 2023-07-25 | Stacked lead-acid battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116885401A (en) |
-
2023
- 2023-07-25 CN CN202310915047.XA patent/CN116885401A/en active Pending
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