CN219591430U - Negative plate of power type lead-acid storage battery - Google Patents
Negative plate of power type lead-acid storage battery Download PDFInfo
- Publication number
- CN219591430U CN219591430U CN202320715915.5U CN202320715915U CN219591430U CN 219591430 U CN219591430 U CN 219591430U CN 202320715915 U CN202320715915 U CN 202320715915U CN 219591430 U CN219591430 U CN 219591430U
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- China
- Prior art keywords
- plate
- negative
- grid plate
- curved side
- grid
- Prior art date
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- 239000002253 acid Substances 0.000 title claims abstract description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 5
- 239000013543 active substance Substances 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000011149 active material Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000978 Pb alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000010926 waste battery Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Cell Electrode Carriers And Collectors (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a negative plate of a power lead-acid storage battery, which comprises a negative plate group, a plate collecting column and a negative plate column, wherein the negative plate group consists of a plurality of single plates, each single plate comprises a first curved side plate and a second curved side plate, and a curved active layer is arranged between the first curved side plate and the second curved side plate; according to the utility model, the single grid plate in the negative grid plate group is designed to be in a bent shape, and when the positive grid plate group is also in a bent shape, the positive grid plate group is embedded into the negative grid plate group, so that the contact area between the positive grid plate group and the negative grid plate group can be increased; and secondly, the transverse ribs and the vertical ribs in the single grid plate form a plurality of small squares, active substances are filled in the small squares, and after the positive grid plate group contacts with the negative grid plate group, the small squares form a small space with smaller gaps, so that the active substances are effectively reduced to fall off easily, and the service life of the storage battery is prolonged.
Description
Technical Field
The utility model relates to the technical field of lead storage batteries, in particular to a negative plate of a power type lead storage battery.
Background
With the development of new energy industry, electrochemical energy storage and conversion technology is widely used. Among them, the secondary lead-acid battery is the battery with the largest production and market at present because of the characteristics of safety and reliability, low price and almost total recycling of waste batteries. The grid is a main component of the lead-acid storage battery, is a current collecting framework of an electrode, has the functions of conducting and collecting current and uniformly distributing the current, and simultaneously has the function of supporting active substances, thus being a carrier of the active substances. The positive electrode active material in the lead-acid storage battery has poor conductivity and high resistivity, the alloy grid has low resistivity and high conductivity, and the negative electrode active material has higher resistivity, so that the internal resistance of the battery can be greatly reduced by coating the active material on the grid.
The single grid plate adopted by the traditional lead-acid storage battery is a straight single grid plate, and after the positive grid plate group and the negative grid plate group are embedded, the contact area of the straight single grid plate of the positive and negative poles reaches the limit. Secondly, when the lead-acid storage battery is charged and discharged, the density of the active material can be changed, namely, the densities of the active material before and after conversion are different, so that the molar volume of the active material can be increased when the lead-acid storage battery is discharged, the polar plate is expanded to deform, and when the lead-acid storage battery is charged, the volume of the active material is reduced, namely, the polar plate is contracted, so that the active material is easy to fall off, and the service life of the storage battery is influenced.
Disclosure of Invention
In view of the above, the present utility model aims to provide a negative plate of a power type lead-acid storage battery.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a power lead acid battery negative plate, includes negative pole grid tray group, fixed mounting is in the grid tray of negative pole grid tray group one side gathers the post, welded mounting is in the negative pole post that grid tray gathered post one side, the negative pole grid tray group comprises a plurality of single grid trays, single grid tray includes first curved side grid tray and the curved side grid tray of second, sets up curved active layer between first curved side grid tray and the curved side grid tray of second, set up both ends are provided with fixed strip and lower fixed strip respectively about first curved side grid tray and the curved side grid tray of second.
Preferably, the first curved side grid plate comprises two side frame ribs, a plurality of transverse ribs and vertical ribs are arranged between the two side frame ribs, and the connection parts of the side frame ribs and the transverse ribs are fixed through fixing blocks.
Preferably, the transverse ribs and the vertical ribs are integrally cast and punched by adopting aluminum-based materials.
Preferably, the first curved side fence and the second curved side fence have the same structure.
Preferably, the side edges of the first curved side grating plate and the second curved side grating plate are fixed to each other by a connecting rod.
Preferably, the curved active layer is activated carbon cloth.
The utility model has the technical effects that: by designing the single grid plate in the negative grid plate group to be in a bent shape, when the positive grid plate group is also in a bent shape, the positive grid plate group is embedded into the negative grid plate group, so that the contact area between the positive grid plate group and the negative grid plate group can be increased; and secondly, the transverse ribs and the vertical ribs in the single grid plate form a plurality of small squares, active substances are filled in the small squares, and after the positive grid plate group contacts with the negative grid plate group, the small squares form a small space with smaller gaps, so that the active substances are effectively reduced to fall off easily, and the service life of the storage battery is prolonged.
Drawings
FIG. 1 is a block diagram of a negative plate of a power lead-acid battery of the present utility model;
FIG. 2 is a block diagram of the single grid of FIG. 1;
fig. 3 is a perspective view of the single louver of fig. 1.
Detailed Description
The following detailed description of the utility model is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the utility model.
In this embodiment, it should be understood that the directions or positional relationships indicated by the terms "middle", "upper", "lower", "top", "right", "left", "upper", "back", "middle", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.
In this embodiment, if not specifically described, the members may be connected or fixed by bolts, pins, or the like, which are commonly used in the prior art, and therefore, the details thereof will not be described in this embodiment.
The negative plate of the power lead-acid storage battery, as shown in figure 1, comprises a negative plate group 1, a plate collecting column 2 fixedly arranged on one side of the negative plate group 1, and a negative plate column 3 welded and arranged on one side of the plate collecting column 2, wherein the negative plate group 1 consists of a plurality of single plates 4; the grid plate summarizing column 2 and the cathode column 3 are all made of aluminum base materials.
As shown in fig. 2, the single louver 4 includes a first curved side louver 41 and a second curved side louver 42, a curved active layer 43 disposed between the first curved side louver 41 and the second curved side louver 42, and upper and lower fixing bars 44 and 45 disposed at upper and lower ends of the first curved side louver 41 and the second curved side louver 42, respectively. The upper fixing strip 44 is made of aluminum base material, and the top is provided with a lug connected with the grid plate gathering column 2. The lower fixing strip 45 and the two side frame ribs 411 are made of polycarbonate high polymer. The lead consumption and the weight of the grid are reduced, and the strength of the lower frame rib and the two side frame ribs is ensured.
As shown in fig. 3, the first curved side grid 41 includes two side frame ribs 411, a plurality of transverse ribs 412 and vertical ribs 413 disposed between the two side frame ribs 411, and the two side frame ribs 411, the transverse ribs 412 and the vertical ribs 413 may form a plurality of small squares. The connection between the side frame rib 411 and the cross rib 4123 is fixed by a fixing block 414. The transverse ribs 412 and the vertical ribs 413 are integrally cast and punched by aluminum base materials. The integrally formed grid has higher strength and is not easy to deform. The aluminum plate grid material has low price, low density and high strength, and the quality of the grid can be further reduced by plating lead alloy and the like on aluminum-based grids with different forms; meanwhile, the aluminum-based material is relatively active, and is easy to corrode when used in a positive plate, so that the aluminum-based material is more suitable for being used as a negative plate of a lead-acid battery. The first curved side fence 41 and the second curved side fence 42 have the same structure. The side edges of the first curved side fence 41 and the second curved side fence 42 are fixed to each other by a connecting rod 101. The curved active layer 43 is activated carbon cloth; the activated carbon cloth is made by taking high-quality powdery activated carbon as an adsorption material and adopting a high-molecular bonding material to carry the high-quality powdery activated carbon on a non-woven matrix.
The manufacturing principle is as follows: the first step, the activated carbon cloth is filled between the first curved side grating 41 and the second curved side grating 42, and then the lower fixing strip 45 is installed at the bottoms of the first curved side grating 41 and the second curved side grating 42; second, welding the upper fixing strip 44 on top of the first curved side fence 41 and the second curved side fence 42; thirdly, filling active substance lead (Pb) in the small square formed by the two side frame ribs 411, the transverse ribs 412 and the vertical ribs 413; and forming a negative electrode single grid plate, and welding a plurality of single grid plates 4 with the grid plate summarizing columns 2 to form a negative electrode plate of the storage battery.
The utility model has the technical effects that: by designing the single grid plate in the negative grid plate group to be in a bent shape, when the positive grid plate group is also in a bent shape, the positive grid plate group is embedded into the negative grid plate group, so that the contact area between the positive grid plate group and the negative grid plate group can be increased; and secondly, the transverse ribs and the vertical ribs in the single grid plate form a plurality of small squares, active substances are filled in the small squares, and after the positive grid plate group contacts with the negative grid plate group, the small squares form a small space with smaller gaps, so that the active substances are effectively reduced to fall off easily, and the service life of the storage battery is prolonged.
Of course, the above is only a typical example of the utility model, and other embodiments of the utility model are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the utility model claimed.
Claims (6)
1. The utility model provides a power type lead acid battery negative plate, includes negative pole grid tray group, fixed mounting is in the grid tray of negative pole grid tray group one side gathers the post, welded mounting is in the negative pole post that grid tray gathers post one side, negative pole grid tray group comprises a plurality of single grid plates, its characterized in that: the single grid plate comprises a first curved side grid plate and a second curved side grid plate, a curved active layer is arranged between the first curved side grid plate and the second curved side grid plate, and upper fixing strips and lower fixing strips are respectively arranged at the upper end and the lower end of the first curved side grid plate and the lower end of the second curved side grid plate.
2. The negative plate of a power lead acid battery as claimed in claim 1, wherein: the first curved side grid plate comprises two side frame ribs, a plurality of transverse ribs and vertical ribs are arranged between the two side frame ribs, and the connection parts of the side frame ribs and the transverse ribs are fixed through fixing blocks.
3. A negative plate for a power lead acid battery as claimed in claim 2, wherein: the transverse ribs and the vertical ribs are integrally cast and punched by adopting aluminum-based materials.
4. A negative plate for a power lead acid battery as claimed in claim 3, wherein: the first curved side grid plate and the second curved side grid plate have the same structure.
5. The negative plate of a power lead-acid battery as claimed in claim 4, wherein: the side edges of the first curved side grid plate and the second curved side grid plate are mutually fixed through connecting rods.
6. The negative plate of a power lead acid battery as claimed in claim 1, wherein: the curved active layer is activated carbon cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320715915.5U CN219591430U (en) | 2023-03-31 | 2023-03-31 | Negative plate of power type lead-acid storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320715915.5U CN219591430U (en) | 2023-03-31 | 2023-03-31 | Negative plate of power type lead-acid storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219591430U true CN219591430U (en) | 2023-08-25 |
Family
ID=87693806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320715915.5U Active CN219591430U (en) | 2023-03-31 | 2023-03-31 | Negative plate of power type lead-acid storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219591430U (en) |
-
2023
- 2023-03-31 CN CN202320715915.5U patent/CN219591430U/en active Active
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