CN217934140U - Valve-regulated lead-acid storage battery pole group - Google Patents
Valve-regulated lead-acid storage battery pole group Download PDFInfo
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- CN217934140U CN217934140U CN202220820997.5U CN202220820997U CN217934140U CN 217934140 U CN217934140 U CN 217934140U CN 202220820997 U CN202220820997 U CN 202220820997U CN 217934140 U CN217934140 U CN 217934140U
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a valve-regulated lead acid battery utmost point crowd, including a plurality of positive plates, a plurality of negative plate and a plurality of baffle, the arrangement order of positive plate, negative plate and baffle has following two kinds of orders: the first sequence: separator, positive plate, separator, negative plate, separator, positive plate, 8230, positive plate, separator; the second sequence is: negative plate, separator, positive plate, separator, negative plate, separator, positive plate \8230, 8230, negative plate; the positive plate is arranged at one end of the side of the positive plate, and the negative plate is arranged at one end, far away from the positive plate, of the side of the negative plate. In order to improve the serious problem that reaches the lead plaster low-usage of electrolyte layering, the utility model provides a valve regulated lead acid battery utmost point crowd under the condition that does not change battery overall dimension and mounted position, through the structure of improving utmost point crowd and battery to reach the purpose that promotes the battery performance.
Description
Technical Field
The utility model belongs to the technical field of the battery and specifically relates to indicate a valve regulated lead acid battery utmost point crowd.
Background
With the accelerated development of lithium ion batteries, the impact force on lead-acid storage batteries is larger and larger, and although the lead-acid storage batteries are also continuously optimized and improved, the lead paste utilization rate is low, the electrolyte layering is serious, the specific energy of the batteries is low, and the like, so that the promotion and breakthrough of the lead-acid storage battery industry are hindered.
As shown in fig. 1, the existing electrode group has the structural characteristics that the production is convenient based on a perfect matching facility, the number of transverse ribs for supporting on a grid is large, the number of vertical ribs for conducting is small, positive and negative busbars are arranged on the upper parts, an external power supply is connected with a positive pole column and a negative pole column, current is provided for the electrode group through the positive busbar and the negative busbar connected with the positive pole column and the negative pole column, the current flows to an adjacent positive plate at two ends of a separator and an adjacent negative plate at two ends of the separator, and active substances on the electrode plates react under the action of the current and electrolyte, so that positive and negative pressure difference is formed, and a battery generates electric energy; as shown in fig. 2 to fig. 4, since the height/width ratio of the electrode plate of the conventional electrode plate is large, the resistance is continuously increased from the electrode tab to the diagonal position which is the farthest distance from the electrode tab, the current loss flowing to each position is increased, the current is relatively reduced, the charging energy consumption of the battery is increased, and the grid corrosion is accelerated; the cycle of charging and discharging of the battery is repeated, the utilization rate of the lead paste at the bottom is reduced, and the electrolyte is seriously layered up and down due to the continuous deposition of high-density sulfuric acid at the bottom, so that the cycle life of the battery is shortened finally.
SUMMERY OF THE UTILITY MODEL
The utility model provides a valve-regulated lead-acid storage battery pole group, which aims to overcome the problem of low utilization rate of lead plaster in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a valve-regulated lead acid battery utmost point crowd, includes a plurality of positive plates, a plurality of negative plate and a plurality of baffle, the permutation order of positive plate, negative plate and baffle has following two kinds of orders: the first sequence: separator, positive plate, separator, negative plate, separator, positive plate, \8230, \8230, positive plate and separator; the second sequence is: negative plate, separator, positive plate, separator, negative plate, separator, positive plate \8230, 8230, negative plate; the positive electrode lug is arranged at one end of the side of the positive electrode plate, and the negative electrode lug is arranged at one end, far away from the positive electrode lug, of the side of the negative electrode plate. In order to improve the serious problem that reaches the lead plaster utilization ratio low of electrolyte layering, the utility model provides a valve-regulated lead acid battery utmost point crowd under the condition that does not change battery overall dimension and mounted position, through the structure of improving utmost point crowd and battery to reach the purpose that promotes the battery performance. The utility model arranges the pole ear at the side of the polar plate, compared with the pole ear above the polar plate, the height/width ratio of the grid is obviously reduced, the conductive vertical ribs on the grid are obviously increased, the current loss of the current flowing to the polar plate is reduced, and the charging energy consumption is reduced; the current flowing through the bottom of the battery cell is increased, the utilization rate of the lead paste at the bottom is increased, the uniformity of the utilization rates of the upper lead paste and the lower lead paste is improved, the high-density sulfuric acid at the bottom can be consumed more quickly, the deposition speed of the high-density sulfuric acid at the bottom of the battery is slowed down, and therefore the phenomenon that the electrolyte at the upper part and the lower part of the battery is seriously layered is improved; the lead plaster utilization rate of the bottom of the battery cell is improved, so that the specific energy of the battery is improved, the cycle life of the battery is prolonged, less lead plaster is used when the current performance requirement is met, and the production cost can be reduced; the eccentric lug structure can reduce cast welding lead consumption and avoid the occurrence of the risk of glue climbing of the partition plate; . Under the unchangeable circumstances of assurance battery appearance, though set up in the side of polar plate, cause the effective width of utmost point crowd to reduce, the remaining space above the top polar plate is very big for the effective height of utmost point crowd can grow, and the face area of polar plate can remain unchanged in the final utmost point crowd, can not lead to the battery performance to descend because of changing the structure.
As the utility model discloses a preferred scheme, the utmost point crowd still includes the busbar, the busbar includes positive busbar and negative busbar, and the anodal ear of a plurality of positive plates is connected through positive busbar, and the negative pole ear of a plurality of negative plates is connected through negative busbar. The utility model discloses a positive busbar and negative busbar are used for conduction current.
As the utility model discloses a preferred scheme, a battery contains a plurality of utmost point crowd, the positive busbar of the utmost point crowd of battery one end is connected with the positive post, the negative busbar of the utmost point crowd of the battery other end is connected with the negative pole post. An external power supply is connected with the positive pole column and the negative pole column, and then the positive bus bar and the negative bus bar which are connected with the positive pole column and the negative pole column provide current for the pole group, the current flows to the positive pole plates adjacent to the two ends of the partition board and the negative pole plates adjacent to the two ends of the partition board, and active substances on the pole plates react under the action of the current and electrolyte, so that positive and negative pressure difference is formed, and the battery generates electric energy; the current flows through each part of the pole group, so that the current loss is small, the electrolyte sedimentation at the bottom of the battery is reduced, and the serious electrolyte layering condition is improved; the utilization rate of the bottom lead paste is greatly improved, the specific energy of the battery is improved, the consistency of the utilization rate of the pole group lead paste is improved, and the cycle life of the valve-regulated lead-acid storage battery is prolonged.
As a preferred embodiment of the present invention, the length of the partition board is greater than the length of the positive plate and the negative plate, and the width of the partition board is greater than the width of the positive plate and the negative plate. The length and width of the separator are larger than those of the positive plate and the negative plate, so that the positive plate and the negative plate are not in contact with short circuit.
As the preferred scheme of the utility model, PP baffle or PE baffle or AGM baffle are chooseed for use to the baffle. Other composite separators may also be used.
As the utility model discloses a preferred scheme, utmost point crowd still includes the lug, the lug includes positive lug and burden lug, positive lug and positive post welding, burden lug and negative pole post welding. The positive and negative poles are welded with the positive and negative connection sheets together, so that the battery can be communicated with an external power supply or a load.
As the preferred scheme of the utility model, anodal post and negative pole post and mould shell structure phase-match.
Therefore, the utility model discloses following beneficial effect has: the utility model arranges the pole ear at the side of the polar plate, compared with the pole ear above the polar plate, the height/width ratio of the grid is obviously reduced, the conductive vertical ribs on the grid are obviously increased, the current loss of the current flowing to all positions of the polar plate is reduced, and the charging energy consumption is reduced; the current flowing through the bottom of the battery cell is increased, the utilization rate of the lead paste at the bottom is increased, the uniformity of the utilization rates of the upper lead paste and the lower lead paste is improved, the high-density sulfuric acid at the bottom can be consumed more quickly, the deposition speed of the high-density sulfuric acid at the bottom of the battery is slowed down, and therefore the phenomenon that the electrolyte at the upper part and the lower part of the battery is seriously layered is improved; the lead plaster utilization rate of the bottom of the battery cell is improved, so that the specific energy of the battery is improved, the cycle life of the battery is prolonged, less lead plaster is used when the current performance requirement is met, and the production cost can be reduced; the eccentric lug structure can reduce cast welding lead consumption and avoid the occurrence of the risk of glue climbing of the partition plate; under the unchangeable circumstances of assurance battery appearance, though set up in the side of polar plate, cause the effective width of utmost point crowd to reduce, the remaining space above the top polar plate is very big for the effective height of utmost point crowd can grow, and the face area of polar plate can remain unchanged in the final utmost point crowd, can not lead to the battery performance to descend because of changing the structure.
Drawings
FIG. 1 is a schematic perspective view of a conventional lead acid battery electrode pack comprising positive and negative electrode plates and separator paper;
FIG. 2 is a front view of a conventional lead acid battery plate;
FIG. 3 is a front view of a conventional lead acid battery pole group;
FIG. 4 is a top view of a conventional lead acid battery pole pack;
FIG. 5 is a schematic perspective view of a valve regulated lead acid battery electrode cluster comprising positive and negative electrode plates and a separator according to the present invention;
FIG. 6 is an enlarged view at A of a pole group of the valve regulated lead acid battery of FIG. 5;
fig. 7 is a front view of a valve regulated lead acid battery plate of the present invention;
fig. 8 is a front view of the arrangement of a plurality of electrode groups in the battery of the present invention;
fig. 9 is a plan view of the arrangement of a plurality of pole groups in the battery of the present invention.
In the figure: 201. a positive plate; 202. a partition plate; 203. a negative plate; 211. a positive tab; 213. a negative tab; 214. a positive bus bar; 224. a negative bus bar; 308. a positive post; 309. and a negative pole.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
As shown in fig. 5 and 6, a valve-regulated lead-acid battery electrode group includes a plurality of positive electrode plates 201, a plurality of negative electrode plates 203, and a plurality of separators 202, and the positive electrode plates 201, the negative electrode plates 203, and the separators 202 are arranged in the following two orders: the first sequence: separator 202, positive electrode plate 201, separator 202, negative electrode plate 203, separator 202, positive electrode plate 201, \8230 \ 8230;, positive electrode plate 201, separator 202; the second sequence is: negative plate 203, separator 202, positive plate 201, separator 202, negative plate 203, separator 202, positive plate 201 \8230;, negative plate 203; a positive tab 211 is arranged at one end of the side of the positive plate 201, and a negative tab 213 is arranged at one end of the side of the negative plate 203 far away from the positive tab 211; as shown in fig. 8 and 9, a battery includes a plurality of electrode groups, each of which further includes a bus bar including a positive bus bar 214 and a negative bus bar 224, positive tabs 211 of a plurality of positive electrode plates 201 are connected by the positive bus bar 214, and negative tabs 213 of a plurality of negative electrode plates 203 are connected by the negative bus bar 224; the positive bus bar 214 of the first pole group is connected with a positive pole post 308, and the negative bus bar 224 of the last pole group is connected with a negative pole post 309; the length of the separator 202 is greater than the length of the positive electrode plate 201 and the negative electrode plate 203; the width of the separator 202 is larger than the width of the positive electrode plate 201 and the negative electrode plate 203; the separator 202 is a PP separator, a PE separator or an AGM separator; the pole group further comprises a wiring lug which comprises a positive wiring lug and a negative wiring lug, wherein the positive wiring lug is welded with the positive pole 308, and the negative wiring lug is welded with the negative pole 309.
In order to improve the serious problem that reaches the lead plaster low-usage of electrolyte layering, the utility model provides a valve regulated lead acid battery utmost point crowd under the condition that does not change battery overall dimension and mounted position, through the structure of improving utmost point crowd and battery to reach the purpose that promotes the battery performance. As shown in fig. 7, the utility model discloses set up utmost point ear in the side of polar plate, compare with utmost point ear in the polar plate top, as shown in fig. 2, the grid height/width ratio example obviously diminishes, and the electrically conductive vertical rib on the grid obviously becomes many, has reduced the current loss that the electric current flows to the polar plate everywhere, and the charging energy consumption reduces; the current flowing through the bottom of the battery cell is increased, the utilization rate of the lead paste at the bottom is increased, the uniformity of the utilization rates of the upper lead paste and the lower lead paste is improved, the high-density sulfuric acid at the bottom can be consumed more quickly, the deposition speed of the high-density sulfuric acid at the bottom of the battery is slowed down, and therefore the phenomenon that the electrolyte at the upper part and the lower part of the battery is seriously layered is improved; the lead plaster utilization rate of the bottom of the battery cell is improved, so that the specific energy of the battery is improved, the cycle life of the battery is prolonged, less lead plaster is used when the current performance requirement is met, and the production cost can be reduced; the eccentric lug structure can reduce cast welding lead consumption and avoid the occurrence of glue climbing risk of the separator 202; . Under the unchangeable condition of assurance battery appearance, though set up in the side of polar plate, cause the effective width of utmost point crowd to reduce, the remaining space above the top polar plate is very big for the effective height of utmost point crowd can the grow, and the face area of polar plate can remain unchanged in the final utmost point crowd, can not lead to battery performance to descend because of changing the structure.
In the embodiment, the pole group of the valve-regulated lead-acid storage battery comprises more than one positive plate 201, more than one negative plate 203, more than one separator 202 and more than one busbar, as well as a positive lug 211 on the positive plate 201 and a negative lug 213 on the negative plate 203; a separator 202 is arranged between the adjacent positive plate 201 and negative plate 203, and a positive lug 211 and a negative lug 213 are respectively arranged at two ends of the separator 202 to prevent the positive and negative plates from directly contacting and short-circuiting; the busbar has included positive busbar 214 and negative busbar 224, and the same adjacent positive ear 211 in end of baffle 202 is connected through positive busbar 214, and the same adjacent negative ear 213 in end of baffle 202 is connected through negative busbar 224 to single utmost point crowd has been made, and positive, negative busbar is used for switched on current. As shown in fig. 8, the positive bus bar 214 at one end of the cell is connected to a positive post 308 and the negative bus bar 224 at the other end is connected to a negative post 309. An external power supply is connected with the positive pole column 308 and the negative pole column 309, the positive bus bar 214 and the negative bus bar 224 which are connected with the positive pole column 308 and the negative pole column 309 provide current for the pole group, the current flows to the 4 positive plates 201 adjacent to the two ends of the separator 202 and the negative plates 203 adjacent to the two ends of the separator 202, and active substances on the plates react under the action of the current and electrolyte, so that positive and negative pressure difference is formed, and the battery generates electric energy. The current flows through each part of the pole group, so that the current loss is small, the electrolyte sedimentation at the bottom of the battery is reduced, and the serious electrolyte layering condition is improved; the utilization rate of the bottom lead paste is greatly improved, the specific energy of the battery is improved, the consistency of the utilization rate of the pole group lead paste is improved, and the cycle life of the valve-regulated lead-acid storage battery is prolonged. The separator 202 may be: PP separators, PE separators, AGM separators or other composite separators. The separator 202 has a larger area than the positive electrode plate 201 and the negative electrode plate 203 so that the positive and negative electrode plates do not contact a short circuit. The positive post 308, the negative post 309 and the plastic housing structure are matched with each other. The positive and negative poles are welded with the lug plate or the threaded terminal, so that the battery can be communicated with an external power supply or a load.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a valve-regulated lead acid battery utmost point crowd, characterized by includes a plurality of positive plates, a plurality of negative plates and a plurality of baffle, the sequence of arrangement of positive plates, negative plates and baffle has following two kinds of orders:
the first sequence: separator, positive plate, separator, negative plate, separator, positive plate, \8230, \8230, positive plate and separator;
the second sequence is: negative plate, separator, positive plate, separator, negative plate, separator, positive plate \8230, 8230, negative plate;
the positive electrode lug is arranged at one end of the side of the positive electrode plate, and the negative electrode lug is arranged at one end, far away from the positive electrode lug, of the side of the negative electrode plate.
2. The valve-regulated lead-acid battery pole group of claim 1, further comprising a bus bar, wherein the bus bar comprises a positive bus bar and a negative bus bar, wherein the positive tabs of the plurality of positive plates are connected by the positive bus bar, and the negative tabs of the plurality of negative plates are connected by the negative bus bar.
3. The valve-regulated lead-acid battery pole group according to claim 2, wherein a battery comprises a plurality of pole groups, wherein the positive bus bar of the pole group at one end of the battery is connected with a positive pole post, and the negative bus bar of the pole group at the other end of the battery is connected with a negative pole post.
4. A valve-regulated lead acid battery electrode assembly according to claim 1, 2 or 3, wherein the separator has a length greater than the length of the positive and negative plates and a width greater than the width of the positive and negative plates.
5. A valve regulated lead acid battery electrode assembly according to claim 1, 2 or 3 wherein said separator is selected from the group consisting of PP, PE or AGM.
6. The valve-regulated lead-acid battery pole group according to claim 3, further comprising a lug, wherein the lug comprises a positive lug and a negative lug, the positive lug is welded with the positive pole, and the negative lug is welded with the negative pole.
7. The valve-regulated lead-acid battery pole group according to claim 3 or 6, wherein the positive pole and the negative pole are matched with a plastic shell structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220820997.5U CN217934140U (en) | 2022-04-11 | 2022-04-11 | Valve-regulated lead-acid storage battery pole group |
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| CN202220820997.5U CN217934140U (en) | 2022-04-11 | 2022-04-11 | Valve-regulated lead-acid storage battery pole group |
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| CN217934140U true CN217934140U (en) | 2022-11-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114725531A (en) * | 2022-04-08 | 2022-07-08 | 超威电源集团有限公司 | Valve-regulated lead-acid storage battery pole group and manufacturing method thereof |
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- 2022-04-11 CN CN202220820997.5U patent/CN217934140U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114725531A (en) * | 2022-04-08 | 2022-07-08 | 超威电源集团有限公司 | Valve-regulated lead-acid storage battery pole group and manufacturing method thereof |
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