CN202977599U - Composite lead-acid storage battery grid and polar plate and battery thereof - Google Patents
Composite lead-acid storage battery grid and polar plate and battery thereof Download PDFInfo
- Publication number
- CN202977599U CN202977599U CN2012205611402U CN201220561140U CN202977599U CN 202977599 U CN202977599 U CN 202977599U CN 2012205611402 U CN2012205611402 U CN 2012205611402U CN 201220561140 U CN201220561140 U CN 201220561140U CN 202977599 U CN202977599 U CN 202977599U
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- grid
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- conducting polymer
- stereotype
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- 239000002253 acid Substances 0.000 title claims abstract description 27
- 239000002131 composite material Substances 0.000 title claims abstract description 24
- 238000003860 storage Methods 0.000 title claims abstract description 12
- 229920001940 conductive polymer Polymers 0.000 claims abstract description 45
- 239000002322 conducting polymer Substances 0.000 claims description 42
- 239000011149 active material Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 abstract description 13
- 238000009826 distribution Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 3
- 239000013543 active substance Substances 0.000 abstract 2
- 238000007599 discharging Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 229910000978 Pb alloy Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910001245 Sb alloy Inorganic materials 0.000 description 1
- 239000002140 antimony alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000002142 lead-calcium alloy Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
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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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Abstract
The utility model discloses a composite lead-acid storage battery grid which consists of a lead grid and a conductive polymer grid which are overlapped. The utility model also discloses a lead-acid storage battery polar plate which comprises a grid and an active substance material layer coated on the grid, and is characterized in that the grid is the lead-acid storage battery grid. The utility model also discloses a lead-acid storage battery which comprises a polar plate, wherein the polar plate comprises the lead-acid storage battery grid and the active substance material layer coated on the grid. The lead grid and the conductive polymer grid are compounded, so that the lead grid and the conductive polymer grid are effectively combined, and compared with the prior art, the composite lead-acid storage battery grid has the advantages that the current distribution and flow direction of the battery in the charging and discharging process are guaranteed, the lead consumption can be saved, the weight is light, the material cost is reduced, and the market competitiveness is improved.
Description
Technical field
The utility model relates to the manufacturing field of storage battery, relates in particular to a kind of lead acid accumulator composite grid and pole plate and battery.
Background technology
At present, lead accumulator is widely used in the fields such as automobile, train, tractor, motorcycle, electric motor car and communication, power station, electric power conveying, instrument and meter, ups power and aircraft, tank, naval vessels, radar system.Along with the raising day by day of world energy sources expanding economy and living standards of the people, in secondary power supply used, lead accumulator had occupied the market share more than 85%.
The critical piece of storage battery is pole plate, pole plate mostly is paste spread type, namely cover on grid and smear active material, through the roll squeezer roll-in, the dry kiln heating, make positive/negative plate after solidifying oven dry, wherein, grid is to be made of horizontal rib and lengthways of rod crisscross in certain thickness frame rib, lug and frame.
Grid is electric conductor and the supporting body of active material, plays an important role in storage battery.Also occupy 20%～30% ratio in the cost composition of storage battery.People never stopped the various researchs of grid.To the research of grid material at present basically take Pb base alloy as the basis.
Because grid adopts lead alloy; the accounting of weight in whole pole plate of grid is larger on the one hand; nearly reach 30%; because the lead material cost is high, affect the battery cost, when using on the other hand lead alloy as material; often can be because of the dip etching of electrolyte; cause internal resistance to raise, capacity loss, life termination.Thereby make between each battery production enterprise product performance whole difference and advantage not obvious, lack the market competitiveness, limited simultaneously the development of whole industry.
As the grid of nonactive parts, mainly have two large functions: support active matter and conduction current.In theory, if having these two kinds of functions and in electrolyte sulfuric acid stable material, all can be used as grid material.Mostly the researcher adds some other component in alloy, as Ca, Sn, Ba, Bi rare earth etc., in order to physical property, the chemical property that improves material.Another kind of research is take the Pb alloy as the basis, but take substitute materials such as plastics, inorganic material, organic material, synthetic materials as the basis, electroplates etc. after electrochemical treatments as grid.
Conducting polymer has higher conductivity, larger specific area, production cost is low, efficiency is high and its pliability is good, proportion is lighter, based on above advantage, conducting polymer materials can be applied to the preparation of lead acid accumulator plate grid.
In addition, the structural design of grid is very large on the electrical property impact of lead acid accumulator, the vertical square template grid that generally use as present Automobile Lead Acid Batteries, its structure housing is thicker, inside is rib thinner (its thickness be about housing 1/3 or 2/3) anyhow, and rib is that vertical property along the line evenly distributes mutually anyhow.The grid of this structure is unfavorable for the distribution of electric current in pole plate, because the sectional area of horizontal bar and perpendicular muscle is more or less the same, be unfavorable for that electric current confluxes to lug along perpendicular rib, simultaneously the upper CURRENT DISTRIBUTION of the identical vertical distance centered by lug is extremely unbalanced, thereby cause occurring on vertical equipotential line larger ohm voltage drop, make the internal resistance of pole plate increase, the loss electric energy.
The utility model content
The high problem of cost that weight for lead acid accumulator plate grid in prior art is large, lead loss large and cause, the utility model provide the lead acid accumulator composite grid of saving cost.
A kind of lead accumulator composite grid is made of mutual stacked stereotype grid and conducting polymer grid.
At present, using maximum grid materials is lead-antimony alloy and lead-calcium alloy, but these two kinds of alloys not only weight is large, and expensive.Conducting polymer has higher conductivity, larger specific area, production cost is low, efficiency is high and its pliability is good, proportion is lighter.Good fit by with stereotype grid and conducting polymer grid of the utility model both guaranteed distribution and the flow direction of battery electric current in charge and discharge process, can save lead loss again, reduced costs, and made simultaneously the overall weight of grid greatly alleviate.
Described stereotype grid and conducting polymer grid include frame and are distributed in the interior rib of frame; Be provided with clamping part corresponding to position between the rib of the rib of stereotype grid and conducting polymer grid.By clamping part, stereotype grid and conducting polymer grid closely are combined with each other, jointly complete the effect of supporting active material and conduction.
As preferably, the rib of described conducting polymer grid is provided with embedded hole, and the rib of described stereotype grid is provided be used to the embedding point that inserts described embedded hole, and described embedding point is a cylindrical bump.
As preferably, described embedded hole and embed interference fit between point prevents from embedding point and comes off from embedded hole, causes stereotype grid and conducting polymer grid to be separated, and affects the useful life of grid.
The top of described stereotype grid along the middle part with lug, the frame of described conducting polymer grid is with dodging accordingly breach with described lug position, lug is arranged on the top of stereotype grid along the middle part, reduced the current delivery path of pole plate each several part to lug, and then reduced Pressure Drop, strengthened conductive capability.
The place is stressed larger due to lug, for increasing the ability of the larger active force of lug place's opposing, can be at close lug place, more embedded hole is set respectively and embeds point on stereotype grid and rib that the conducting polymer grid matches, reinforce coordinating between stereotype grid and conducting polymer grid, prevented the disengaging between two grids that large pressure causes.
The rib of described stereotype grid distributes radially, all from extending near lower side and the left and right side of lug end to the rectangle frame muscle, the design of radial conducting matrix grain makes near the rib at lug place intensive, be beneficial to lug to gathering and the conduction of electric current, also reduced simultaneously the voltage drop in pole plate, made battery have the ability of high-multiplying power discharge.
The rib of described conducting polymer grid is crisscross latticed, the rib that wherein vertically distributes has corresponding trend with the rib of stereotype grid, corresponding with the rib position that distributes radially in the stereotype grid, and by embedded hole and coordinating that embedding is put, stereotype grid and conducting polymer grid are united two into one.
In described conducting polymer grid, the rib of cross direction profiles is arc, centered by lug, to outdiffusion.
The utility model also provides a kind of chloride plate, comprises grid and the active material layer that is coated on this grid, it is characterized in that, described grid is above-mentioned lead accumulator grid.
The utility model also provides a kind of lead accumulator, comprises pole plate, and described pole plate comprises above-mentioned lead accumulator grid and the active material layer that is coated on this grid.
The utility model is compound by stereotype grid and conducting polymer grid, realize effective combination of stereotype grid and conducting polymer grid, compared with prior art, distribution and the flow direction of battery electric current in charge and discharge process had both been guaranteed, can save lead loss again, lightweight, reduced material cost, improved the market competitiveness.
Description of drawings
Fig. 1 is the structural representation of the utility model lead acid accumulator composite grid;
Fig. 2 is the structural representation of conducting polymer grid in the utility model;
Fig. 3 is the structural representation of stereotype grid in the utility model.
Embodiment
As shown in Figure 1, a kind of lead acid accumulator composite grid is made of mutual stacked stereotype grid 1 and conducting polymer grid 2.
Show respectively the structural representation of conducting polymer grid and stereotype grid as Fig. 2 and Fig. 3, as can be seen from Figure, stereotype grid 1 and conducting polymer grid 2 include frame 3 and are distributed in rib 4 in frame; Be respectively equipped with the embedded hole that cooperatively interacts corresponding to position 5 on the rib 4 of stereotype grid 1 and the rib 4 of conducting polymer grid 2 and embed point 6, embedded hole 5 is arranged on the rib 4 of conducting polymer grid 2, embeds point 6 and is arranged on the rib 4 of stereotype grid 1.Be stacked together relative with conducting polymer grid 2 of stereotype grid 1, and put 6 and the grafting effect of embedded hole 5 by embedding, stereotype grid 1 and conducting polymer grid 2 are closely linked, become the composite grid of collection stereotype grid and conducting polymer grid dual-use function.Original lead alloy grid should support active material, bears again the transmission of electric current, after having increased conducting polymer, can reduce accordingly the quality of lead alloy, because the electric conductivity of conducting polymer is good, also can not affect the electric conductivity of grid integral body.
For closely cooperating between stereotype grid and conducting polymer grid, need take interference fit between embedded hole and embedding point, unlikely effect because of external force makes between two grids loosening, even breaks away from, and can have a strong impact on like this conductive effect, even scraps.
Because the effect of lug is carrying input and output current, so reduce the pole plate each several part to the current delivery path of lug as far as possible, reduce Pressure Drop, the position of lug 7 is arranged on the middle part on edge, frame muscle top, the frame of conducting polymer grid is with dodging accordingly breach 8 with the lug position, and this dodges breach is arc.
The rib of stereotype grid distributes radially; Anyhow the rib of existing grid is generally that vertical property along the line evenly distributes mutually.The grid of this structure is unfavorable for the distribution of electric current in pole plate, be unfavorable for that electric current confluxes to lug along perpendicular rib, simultaneously the upper CURRENT DISTRIBUTION of the identical vertical distance centered by lug is extremely unbalanced, thereby cause occurring on vertical equipotential line larger ohm voltage drop, make the internal resistance of pole plate increase, the loss electric energy.The utility model adopts the rib of radial distribution to make grid increase and improve at the aspects such as effect and Potential distribution of confluxing.
The rib of conducting polymer grid is crisscross latticed, the rib that wherein vertically distributes has corresponding trend with the rib of stereotype grid, and the position is corresponding, puts and the grafting of embedded hole coordinates stereotype grid and conducting polymer grid are combined with each other by embedding; In the conducting polymer grid, the rib of cross direction profiles is arc, due in the stereotype grid without horizontal rib, so the horizontal rib in this conducting polymer grid mainly plays a part to support active material, two grids cooperatively interact, and the effect of grid is given full play of.
Above-mentioned composite grid is applied on pole plate, to apply positive active material on this composite grid, through roll squeezer roll-in, dry kiln heating, make positive plate after solidifying, drying, apply negative electrode active material on this grid, through roll squeezer roll-in, dry kiln heating, make negative plate after solidifying, drying, has cost take the utility model composite grid as the basic pole plate of making low, lightweight, the characteristics of good conductivity.
Further extend, the pole plate of above-mentioned making is applied to lead acid accumulator, it is low, lightweight that same lead accumulator also has a cost, the characteristics of good conductivity.
Claims (10)
1. a lead acid accumulator composite grid, is characterized in that, is made of mutual stacked stereotype grid and conducting polymer grid.
2. lead acid accumulator composite grid as claimed in claim 1, is characterized in that, described stereotype grid and conducting polymer grid include frame and be distributed in the interior rib of frame; Be provided with clamping part corresponding to position between the rib of the rib of stereotype grid and conducting polymer grid.
3. lead acid accumulator composite grid as claimed in claim 2, is characterized in that, the rib of described conducting polymer grid is provided with embedded hole, and the rib of described stereotype grid is provided be used to the embedding point that inserts described embedded hole.
4. lead acid accumulator composite grid as claimed in claim 3, is characterized in that, interference fit between embedded hole and embedding point.
5. lead acid accumulator composite grid as claimed in claim 4, is characterized in that, with lug, the frame of described conducting polymer grid is with dodging accordingly breach with described lug position along the middle part on the top of described stereotype grid.
6. lead acid accumulator composite grid as claimed in claim 5, is characterized in that, the rib of described stereotype grid distributes radially.
7. lead acid accumulator composite grid as claimed in claim 6, is characterized in that, the rib of described conducting polymer grid is crisscross latticed, and the rib that wherein vertically distributes has corresponding trend with the rib of stereotype grid.
8. lead acid accumulator composite grid as claimed in claim 7, is characterized in that, in described conducting polymer grid, the rib of cross direction profiles is arc.
9. a polar plate of lead acid storage battery, comprise grid and the active material layer that is coated on this grid, it is characterized in that, described grid is the described lead accumulator composite grid of claim 1 ~ 8 any one.
10. a lead acid accumulator, comprise pole plate, it is characterized in that, described pole plate comprises the described lead accumulator composite grid of claim 1 ~ 8 any one and the active material layer that is coated on this composite grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205611402U CN202977599U (en) | 2012-10-29 | 2012-10-29 | Composite lead-acid storage battery grid and polar plate and battery thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205611402U CN202977599U (en) | 2012-10-29 | 2012-10-29 | Composite lead-acid storage battery grid and polar plate and battery thereof |
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| Publication Number | Publication Date |
|---|---|
| CN202977599U true CN202977599U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012205611402U Expired - Lifetime CN202977599U (en) | 2012-10-29 | 2012-10-29 | Composite lead-acid storage battery grid and polar plate and battery thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931415A (en) * | 2012-10-29 | 2013-02-13 | 天能电池集团有限公司 | Lead-acid battery composite plate grid, pole plate and battery |
| CN107591570A (en) * | 2017-09-05 | 2018-01-16 | 李开贵 | A kind of nanometer silica gel accumulator body |
| CN107611450A (en) * | 2017-08-30 | 2018-01-19 | 天能电池集团有限公司 | A kind of lead accumulator grid, pole plate and lead accumulator |
| CN113363503A (en) * | 2021-06-18 | 2021-09-07 | 超威电源集团有限公司 | Method for manufacturing lead storage battery grid |
-
2012
- 2012-10-29 CN CN2012205611402U patent/CN202977599U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931415A (en) * | 2012-10-29 | 2013-02-13 | 天能电池集团有限公司 | Lead-acid battery composite plate grid, pole plate and battery |
| CN102931415B (en) * | 2012-10-29 | 2015-05-13 | 天能电池集团有限公司 | Lead-acid battery composite plate grid, pole plate and battery |
| CN107611450A (en) * | 2017-08-30 | 2018-01-19 | 天能电池集团有限公司 | A kind of lead accumulator grid, pole plate and lead accumulator |
| CN107591570A (en) * | 2017-09-05 | 2018-01-16 | 李开贵 | A kind of nanometer silica gel accumulator body |
| CN113363503A (en) * | 2021-06-18 | 2021-09-07 | 超威电源集团有限公司 | Method for manufacturing lead storage battery grid |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 313100 Coal Mountain Industrial Park, Changxing County, Huzhou City, Zhejiang Province Patentee after: TIANNENG BATTERY GROUP Co.,Ltd. Address before: 313100 Coal Mountain Industrial Park, Changxing County, Huzhou City, Zhejiang Province Patentee before: TIANNENG BATTERY GROUP Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |