CN111668497A - Lead wire mesh-shaped storage battery bipolar plate and storage battery thereof - Google Patents
Lead wire mesh-shaped storage battery bipolar plate and storage battery thereof Download PDFInfo
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- CN111668497A CN111668497A CN202010712833.6A CN202010712833A CN111668497A CN 111668497 A CN111668497 A CN 111668497A CN 202010712833 A CN202010712833 A CN 202010712833A CN 111668497 A CN111668497 A CN 111668497A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/72—Grids
- H01M4/73—Grids for lead-acid accumulators, e.g. frame plates
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/72—Grids
- H01M4/74—Meshes or woven material; Expanded metal
- H01M4/745—Expanded metal
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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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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to a polar plate of a lead-acid storage battery, in particular to a lead wire mesh-shaped storage battery bipolar plate and a storage battery thereof. It includes bipolar grid, positive limit grid and negative pole limit grid, and bipolar grid presss from both sides between positive limit grid and negative pole limit grid, its characterized in that: lead wires are uniformly arranged on two surfaces of the bipolar grid to form a lead wire mesh, and the lead wires penetrate through the middle of the grid and are exposed out of the two surfaces of the grid; one side of the positive side grid is uniformly provided with lead wires to form a lead wire mesh, and the other side of the positive side grid is inserted with a positive lead wire lead; one side of the negative side grid is uniformly provided with lead wires to form a lead wire mesh, and the other side of the negative side grid is inserted with a negative lead wire lead; and active substances are coated in the space between the lead wire and the end face of each grid. The invention improves the specific energy of the lead-acid storage battery, shortens the charging time and creates the possibility for the lead-acid storage battery to be applied to the field of electric automobiles.
Description
Technical Field
The invention relates to a polar plate of a lead-acid storage battery, in particular to a lead wire mesh-shaped storage battery bipolar plate and a storage battery thereof.
Background
The conventional lead-acid storage battery generally uses a thin lead plate or a lead alloy plate as a grid plate, and a paste-like active material is coated on the grid plate. The lead plate is used as a current collector, the lead plate is provided with transverse ribs and vertical ribs to form a grid plate, and one side of the lead plate is provided with a pole lug which is used for guiding current through the pole lug. The grid plates are coated with positive paste or negative paste, a plurality of grid plates form a cluster, and a lead-acid storage battery is formed by a plurality of groups of positive plates and negative plates. The lead-acid storage battery with the structure restricts the application field of the battery, in particular to the field of electric automobiles, because the battery has heavy weight, low specific energy and slow charging. Therefore, the invention provides a bipolar lead-acid storage battery which is beneficial to overcoming the defects of the traditional lead-acid storage battery.
Disclosure of Invention
The invention aims to provide a lead wire mesh-shaped storage battery bipolar plate and a storage battery thereof, aiming at the defects of the conventional lead-acid storage battery. The lead-acid storage battery has the advantages of improving the specific energy of the lead-acid storage battery, shortening the charging time and creating the possibility of applying the lead-acid storage battery to the field of electric automobiles.
The technical scheme of the lead wire mesh-shaped battery bipolar plate is realized as follows: it includes bipolar grid, positive limit grid and negative pole limit grid, and bipolar grid presss from both sides between positive limit grid and negative pole limit grid, its characterized in that: lead wires are uniformly arranged on two surfaces of the bipolar grid to form a lead wire mesh, and the lead wires penetrate through the middle of the grid and are exposed out of the two surfaces of the grid; one side of the positive side grid is uniformly provided with lead wires to form a lead wire mesh, and the other side of the positive side grid is inserted with a positive lead wire lead; one side of the negative side grid is uniformly provided with lead wires to form a lead wire mesh, and the other side of the negative side grid is inserted with a negative lead wire lead; and active substances are coated in the space between the lead wire and the end face of each grid. The grid is made of insulating acid-resistant material.
The better technical scheme of the invention is as follows: and an electrolyte injection channel is arranged on the bipolar grid. One side of the bipolar grid is coated and filled with positive active substances, the other side of the bipolar grid is coated and filled with negative active substances, a positive lead wire on one side of the positive side grid is connected with a positive pole, the other side of the positive side grid is coated and filled with positive active substances, a negative lead wire on one side of the negative side grid is connected with a negative pole, and the other side of the negative side grid is coated and filled with negative active substances. The bipolar plate grid comprises a positive electrode surface and a negative electrode surface, wherein the positive electrode surface is provided with a groove or a boss, and the negative electrode surface is provided with a corresponding boss or a corresponding groove. The positive electrode surface of the bipolar plate grid is provided with a gluing cylinder or a gluing round hole, and the negative electrode surface of the bipolar plate grid is provided with a corresponding gluing round hole or a gluing cylinder. Thus, the bipolar plate grid can be firmly fixed.
The invention also provides a lead-acid storage battery, which consists of the bipolar plate, the edge positive plate, the edge negative plate and the partition plate, wherein the bipolar plate is clamped between the edge positive plate and the edge negative plate, the partition plates are respectively arranged between the bipolar plate and the edge positive plate, and between the bipolar plate and the edge negative plate, and electrolyte is injected between the two adjacent polar plates. The bipolar plate comprises a bipolar plate grid, a positive plate grid and a negative plate grid, wherein the bipolar plate grid is clamped between the positive plate grid and the negative plate grid, and the bipolar plate is characterized in that: lead wires are uniformly arranged on two surfaces of the bipolar grid to form a lead wire mesh, and the lead wires penetrate through the middle of the grid and are exposed out of the two surfaces of the grid; one side of the positive side grid is uniformly provided with lead wires to form a lead wire mesh, and the other side of the positive side grid is inserted with a positive lead wire lead; one side of the negative side grid is uniformly provided with lead wires to form a lead wire mesh, and the other side of the negative side grid is inserted with a negative lead wire lead; and active substances are coated in the space between the lead wire and the end face of each grid. The grid is made of insulating acid-resistant material. And the positive pole plate and the negative pole plate are provided with a positive pole cover plate and a negative pole cover plate, and a positive pole column and a negative pole column are respectively led out of the positive pole cover plate and the negative pole cover plate. And the side negative plate is provided with a liquid injection port. And an electrolyte injection channel is arranged on the bipolar grid. One side of the bipolar grid is coated and filled with positive active substances, the other side of the bipolar grid is coated and filled with negative active substances, a positive lead wire on one side of the positive side grid is connected with a positive pole, the other side of the positive side grid is coated and filled with positive active substances, a negative lead wire on one side of the negative side grid is connected with a negative pole, and the other side of the negative side grid is coated and filled with negative active substances. The bipolar plate grid comprises a positive electrode surface and a negative electrode surface, wherein a groove or a boss is arranged on the positive electrode surface, a corresponding boss or a corresponding groove is arranged on the negative electrode surface, a gluing cylinder or a gluing round hole is arranged on the positive electrode surface, and a corresponding gluing round hole or a gluing cylinder is arranged on the negative electrode surface.
Compared with the traditional lead-acid storage battery, the lead-acid storage battery has the advantages that more active substances can be coated and filled on the grid with the same thickness, so that the battery capacity is larger under the condition of the same volume. Also because of this, the thickness of the active material can be designed to be thinner, thereby remarkably improving the utilization rate of the active material, and thus remarkably improving the specific energy of the battery. The lead-acid storage battery adopts the lead wire mesh, so that the lead-acid storage battery is lighter in weight, and the battery capacity is larger under the condition of the same volume and weight.
Drawings
Fig. 1 is a schematic structural view of a bipolar plate of the present invention.
Fig. 2 is a schematic view of the lead-acid battery of the present invention.
Fig. 3 is a schematic plan view of the lead-acid battery of the present invention.
Fig. 4 is a schematic front view of a bipolar plate according to the present invention.
Figure 5 is a back side view of a bipolar plate according to the present invention.
Fig. 6 is a schematic diagram of the bipolar grid structure of the present invention.
Detailed Description
The present invention is further illustrated by the following examples, which are intended to be purely exemplary and are not intended to limit the scope of the invention, as various equivalent modifications of the invention will occur to those skilled in the art upon reading the present disclosure and fall within the scope of the appended claims.
As shown in fig. 1, the bipolar plate of the invention comprises a bipolar plate grid 1, a positive side plate grid 2 and a negative side plate grid 3, wherein the bipolar plate grid 1 is clamped between the positive side plate grid 1 and the negative side plate grid 3, lead wires 4 are uniformly arranged on two sides of the bipolar plate grid 1 to form a lead wire mesh, and the lead wires 4 penetrate through the middle of the plate grids and are exposed on two sides of the plate grids; as shown in fig. 4 and 5, lead wires 4 are uniformly arranged on one surface of the positive-electrode-side grid 2 to form a lead wire mesh, and a positive lead wire lead 14 is inserted on the other surface; one side of the negative side grid 3 is uniformly provided with lead wires 4 to form a lead wire mesh, and the other side is inserted with a negative lead wire lead 15; one side of the bipolar grid 2 is coated and filled with a positive active substance 5, the other side of the bipolar grid is coated and filled with a negative active substance 6, and a positive lead wire lead 14 on one side of the positive side grid is connected with a positive pole 7. One side of the negative side grid 3 is coated and filled with a positive active substance 5, the other side is coated and filled with a negative active substance 6, a negative lead wire 15 on one side of the negative side grid 3 is connected with a negative pole 8, and the bipolar grid 1 is provided with an electrolyte injection channel 13. The grid is made of insulating acid-resistant material. The polar plate is called grid before coating active substance (lead plaster), the bipolar grid and positive and negative side grids are all made of parts made of plastic plate (any non-metal insulating acid-proof material) and lead wire.
As shown in fig. 6, a preferred embodiment of the bipolar plate of the present invention is: the bipolar plate grid comprises a positive electrode surface 16 and a negative electrode surface 17, wherein the positive electrode surface 16 is provided with a gluing step 18 and a partition plate step 19, and the negative electrode surface 17 is provided with a gluing groove 20. The glue step 18 and the glue groove 20 are engaged, and the spacer step 19 is used to fix the spacer 9. The positive electrode surface of the bipolar plate grid is provided with a gluing cylinder 23 or a gluing circular hole 24, and the negative electrode surface is provided with a corresponding gluing circular hole 24 or a gluing cylinder 23. Therefore, the bipolar grid can be firmly fixed, and the strength of the bipolar grid is enhanced.
As shown in fig. 2 and fig. 3, the invention also provides a lead-acid storage battery, which comprises the bipolar plate 1.1, the edge positive plate 2.1, the edge negative plate 3.1 and the partition plate 9, wherein the bipolar plate 1.1 is clamped between the edge positive plate 2.1 and the edge negative plate 3.1, the partition plate 9 is arranged between the bipolar plate 1.1 and the edge positive plate 2.1, and between the bipolar plate 1.1 and the edge negative plate 3.1, and the electrolyte is injected between the two adjacent plates.
The lead-acid storage battery of the invention has the better implementation modes that: and the edge positive plate 2.1 and the edge negative plate 3.1 are provided with a positive cover plate 10 and a negative cover plate 11, and a positive pole post 7 and a negative pole post 8 are respectively led out of the positive cover plate and the negative cover plate. The side negative plate 2.1 is provided with a liquid injection port 12.
The bipolar plate 1.1 comprises a bipolar plate grid 1, a positive side plate grid 2 and a negative side plate grid 3, wherein the bipolar plate grid 1 is clamped between the positive side plate grid 1 and the negative side plate grid 3, lead wires 4 are uniformly arranged on two sides of the bipolar plate grid 1 to form a lead wire mesh, and the lead wires 4 penetrate through the middle of the plate grid and are exposed out of two sides of the plate grid; as shown in fig. 4 and 5, lead wires 4 are uniformly arranged on one surface of the positive-electrode-side grid 2 to form a lead wire mesh, and a positive lead wire lead 14 is inserted on the other surface; one side of the negative side grid 3 is uniformly provided with lead wires 4 to form a lead wire mesh, and the other side is inserted with a negative lead wire lead 15; one side of the bipolar grid 2 is coated and filled with a positive active substance 5, the other side of the bipolar grid is coated and filled with a negative active substance 6, and a positive lead wire lead 14 on one side of the positive side grid is connected with a positive pole 7. One side of the negative side grid 3 is coated and filled with a positive active substance 5, the other side is coated and filled with a negative active substance 6, a negative lead wire 15 on one side of the negative side grid 3 is connected with a negative pole 8, and the bipolar grid 1 is provided with an electrolyte injection channel 13. The grid is made of insulating acid-resistant material.
The bipolar plate grid comprises a positive electrode surface 16 and a negative electrode surface 17, wherein the positive electrode surface 16 is provided with a gluing step 18 and a partition plate step 19, and the negative electrode surface 17 is provided with a gluing groove 20. The glue step 18 and the glue groove 20 are engaged, and the spacer step 19 is used to fix the spacer 9. The positive electrode surface of the bipolar plate grid is provided with a gluing cylinder 23 or a gluing circular hole 24, and the negative electrode surface is provided with a corresponding gluing circular hole 24 or a gluing cylinder 23. Therefore, the bipolar grid can be firmly fixed, and the strength of the bipolar grid is enhanced.
Compared with the traditional lead-acid storage battery, the lead-acid storage battery has the advantages that more active substances can be coated and filled on the grid with the same thickness, so that the battery capacity is larger under the condition of the same volume. Also because of this, the thickness of the active material can be designed to be thinner, thereby remarkably improving the utilization rate of the active material, and thus remarkably improving the specific energy of the battery.
The current of the battery is transmitted by all the lead wires on the grid, and the current of the traditional battery is transmitted by the grid through the lugs and the bus bar, so that compared with the traditional battery, the charging and discharging current of the battery can be greatly improved, the charging time can be shortened by high-current charging, and the application field of the battery can be improved by high-current discharging.
The above embodiments are only used for illustrating the design idea and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention accordingly, and the protection scope of the present invention is not limited to the above embodiments. Therefore, all equivalent changes and modifications made in accordance with the principles and concepts disclosed herein are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a netted battery bipolar plate of lead wire, it includes bipolar grid, positive limit grid and negative pole limit grid, and bipolar grid presss from both sides between positive limit grid and negative pole limit grid, its characterized in that: lead wires are uniformly arranged on two surfaces of the bipolar grid to form a lead wire mesh, and the lead wires penetrate through the middle of the grid and are exposed out of the two surfaces of the grid; one side of the positive side grid is uniformly provided with lead wires to form a lead wire mesh, and the other side of the positive side grid is inserted with a positive lead wire lead; one side of the negative side grid is uniformly provided with lead wires to form a lead wire mesh, and the other side of the negative side grid is inserted with a negative lead wire lead; and active substances are coated in the space between the lead wire and the end face of each grid.
2. A lead wire mesh battery bipolar plate according to claim 1, wherein: and an electrolyte injection channel is arranged on the bipolar grid.
3. A lead wire mesh battery bipolar plate according to claim 1 or 2, characterized in that: one side of the bipolar grid is coated and filled with positive active substances, the other side of the bipolar grid is coated and filled with negative active substances, a positive lead wire on one side of the positive side grid is connected with a positive pole, the other side of the positive side grid is coated and filled with positive active substances, a negative lead wire on one side of the negative side grid is connected with a negative pole, and the other side of the negative side grid is coated and filled with negative active substances.
4. A lead wire mesh battery bipolar plate according to claim 1 or 2, characterized in that: the bipolar plate grid comprises a positive electrode surface and a negative electrode surface, wherein the positive electrode surface is provided with a groove or a boss, and the negative electrode surface is provided with a corresponding boss or a corresponding groove.
5. A lead wire mesh battery bipolar plate according to claim 1 or 2, characterized in that: the positive electrode surface of the bipolar plate grid is provided with a gluing cylinder or a gluing round hole, and the negative electrode surface of the bipolar plate grid is provided with a corresponding gluing round hole or a gluing cylinder.
6. A lead-acid storage battery, which comprises the bipolar plate, the edge positive plate, the edge negative plate and the partition plate of claim 1, wherein the bipolar plate is clamped between the edge positive plate and the edge negative plate, the partition plates are arranged between the bipolar plate and the edge positive plate and between the bipolar plate and the edge negative plate, and electrolyte is injected between the two adjacent polar plates.
7. A lead-acid battery according to claim 6, wherein: and the positive pole plate and the negative pole plate are provided with a positive pole cover plate and a negative pole cover plate, and a positive pole column and a negative pole column are respectively led out of the positive pole cover plate and the negative pole cover plate.
8. A lead-acid battery according to claim 6, wherein: and an electrolyte injection channel is arranged on the bipolar grid.
9. A lead-acid battery according to claim 6, wherein: one side of the bipolar grid is coated and filled with positive active substances, the other side of the bipolar grid is coated and filled with negative active substances, a positive lead wire on one side of the positive side grid is connected with a positive pole, the other side of the positive side grid is coated and filled with positive active substances, a negative lead wire on one side of the negative side grid is connected with a negative pole, and the other side of the negative side grid is coated and filled with negative active substances.
10. A lead-acid battery according to claim 6, wherein: the bipolar plate grid comprises a positive electrode surface and a negative electrode surface, wherein a groove or a boss is arranged on the positive electrode surface, a corresponding boss or a corresponding groove is arranged on the negative electrode surface, a gluing cylinder or a gluing round hole is arranged on the positive electrode surface, and a corresponding gluing round hole or a gluing cylinder is arranged on the negative electrode surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010712833.6A CN111668497A (en) | 2020-07-22 | 2020-07-22 | Lead wire mesh-shaped storage battery bipolar plate and storage battery thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010712833.6A CN111668497A (en) | 2020-07-22 | 2020-07-22 | Lead wire mesh-shaped storage battery bipolar plate and storage battery thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111668497A true CN111668497A (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010712833.6A Pending CN111668497A (en) | 2020-07-22 | 2020-07-22 | Lead wire mesh-shaped storage battery bipolar plate and storage battery thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054200A (en) * | 2021-03-11 | 2021-06-29 | 史鹏飞 | Bipolar grid for lead-acid storage battery formed by compounding frame and lead wire |
| CN113964328A (en) * | 2021-11-25 | 2022-01-21 | 超威电源集团有限公司 | Composite grid set, lead-acid storage battery and manufacturing method of lead-acid storage battery |
-
2020
- 2020-07-22 CN CN202010712833.6A patent/CN111668497A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113054200A (en) * | 2021-03-11 | 2021-06-29 | 史鹏飞 | Bipolar grid for lead-acid storage battery formed by compounding frame and lead wire |
| CN113054200B (en) * | 2021-03-11 | 2022-09-27 | 史鹏飞 | Bipolar grid for lead-acid storage battery formed by compounding frame and lead wire |
| CN113964328A (en) * | 2021-11-25 | 2022-01-21 | 超威电源集团有限公司 | Composite grid set, lead-acid storage battery and manufacturing method of lead-acid storage battery |
| CN113964328B (en) * | 2021-11-25 | 2023-03-31 | 超威电源集团有限公司 | Composite grid set, lead-acid storage battery and manufacturing method of lead-acid storage battery |
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