CN209675401U - A kind of grid for lead-acid storage batteries - Google Patents
A kind of grid for lead-acid storage batteries Download PDFInfo
- Publication number
- CN209675401U CN209675401U CN201920692290.9U CN201920692290U CN209675401U CN 209675401 U CN209675401 U CN 209675401U CN 201920692290 U CN201920692290 U CN 201920692290U CN 209675401 U CN209675401 U CN 209675401U
- Authority
- CN
- China
- Prior art keywords
- grid
- root item
- lead
- frame
- horizontal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002253 acid Substances 0.000 title claims abstract description 34
- 238000003860 storage Methods 0.000 title claims abstract description 24
- 238000005452 bending Methods 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 229910003460 diamond Inorganic materials 0.000 claims description 5
- 239000010432 diamond Substances 0.000 claims description 5
- 210000002435 tendon Anatomy 0.000 claims description 3
- 206010020880 Hypertrophy Diseases 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 claims description 2
- 239000011149 active material Substances 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 10
- 241001391944 Commicarpus scandens Species 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- YADSGOSSYOOKMP-UHFFFAOYSA-N lead dioxide Inorganic materials O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 235000003283 Pachira macrocarpa Nutrition 0.000 description 1
- 241001083492 Trapa Species 0.000 description 1
- 235000014364 Trapa natans Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 235000009165 saligot Nutrition 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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)
Abstract
The utility model discloses a kind of grid for lead-acid storage batteries, including tab, frame and several perpendicular root items and the horizontal root item being arranged in frame, the horizontal root item is the grid being horizontally installed in frame, its structure is W bending and straight line block integrated structure, the perpendicular root item is the rectilinear grid being disposed longitudinally in frame, horizontal root item joins in length and breadth with perpendicular root item, forms netted grid.Grid for lead-acid storage batteries provided by the utility model can increase the contact area of grid and active material, reduce the internal resistance of battery, improve the discharge performance of battery；And the internal stress that can be reduced grid in discharge process makes horizontal root item deformation not easy to break, extends the service life of grid.
Description
Technical field
The utility model relates to lead-acid accumulator correlative technology field, in particular to a kind of grid for lead-acid storage batteries.
Background technique
In lead-acid accumulator, when battery deep discharge, active material PbO2Molal volume will increase, occur pole plate expansion
So that deformation, and when charging, active material volume reduces, i.e. generation pole plate is shunk.Due to positive active material PbO2Electric conductivity
Can be poor, resistivity is high, and frequently with good mechanical property, corrosion resistance is strong, the grid that conducts electricity very well is as positive plate current-collector,
Paste active material PbO2Horizontal root item and perpendicular root surface coated in grid, in charge and discharge process, due to the support of grid,
It can prevent pole plate from causing falling off for active material because expanding and shrinking.The effect of grid: first is that the carrier as active material,
The attachment for keeping active material makes pole plate have certain shape；Second is that conduction electric current, is evenly distributed on electric current as much as possible
The each section of active material forms relatively uniform electric conductor.
Although grid does not participate in into stream reaction in lead-acid accumulator, the conduction master of electric current in battery charge and discharge process
It to be realized by grid, material, shape, overall dimensions and the structure design of grid directly affect the distribution of resistance of grid,
It is an important factor for influencing accumulator property, it may be said that the capacity of lead-acid accumulator and service life are heavily dependent on anode
The design of plate.It is more uniform that excellent anode plate grid design can not only be such that current distribution obtains, and has the smallest loss of voltage,
It is improved battery performance.
Grid structure more common at present mainly has radiation and rectangle, and the grid charge and discharge number of both structures is about
300 times or so, someone is on this basis, it is intended to reduce resistance by the change of shape, for example bevel(l)ing is trapezoidal or water chestnut
Shape, discharge time are improved；Also have and the horizontal root item of grid and the structure of perpendicular root item are made improvements, be set as triangle
Shape, discharge performance are also improved, but the limitation improved；Also there is the panel that grid is made to concaveconvex structure, set on panel
Meter circle or polygonal through hole, or honeycomb grid is made, discovery discharge time greatly improves, but also improves grid simultaneously
Cost, increase the technology difficulty of production.In the battery, grid almost occupies the 20-30% of battery cost, the weight of grid
Amount and area are bigger, and cost is higher, and structure is more complicated, and manufacture difficulty is bigger.How the connecing of grid and active material is improved
Contacting surface product, and the cost of grid is reduced, the service life of battery is improved, is the key that influence lead-acid accumulator further to develop.
As it can be seen that the prior art could be improved and improve.
Utility model content
Place in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide grid for lead-acid storage batteries,
Aim to solve the problem that grid contact area is small in the prior art, the defect that active material is easy to fall off and grid is at high cost.
In order to achieve the above object, the utility model takes following technical scheme:
A kind of grid for lead-acid storage batteries, including tab, frame and several perpendicular root items and the horizontal root being arranged in frame
Item, wherein the horizontal root item is the grid being horizontally installed in frame, and structure is W bending and straight line block integrated structure, institute
Stating perpendicular root item is the rectilinear grid being disposed longitudinally in frame, and horizontal root item joins in length and breadth with perpendicular root item, forms netted grid.
In the grid for lead-acid storage batteries, the W bending of the horizontal root item is open towards tab end.
In the grid for lead-acid storage batteries, the cross section of the horizontal root item and perpendicular root item is diamond structure.
In the grid for lead-acid storage batteries, the horizontal root item and perpendicular root item are thick further away from tab end close to tab end.
In the grid for lead-acid storage batteries, the horizontal root item and perpendicular root item are equipped with reinforcing rib, the more horizontal root item of reinforcing rib
It is thick with perpendicular root item.
In the grid for lead-acid storage batteries, the tab is set to the middle part of frame.
In the grid for lead-acid storage batteries, the more horizontal root item of the frame, perpendicular root item and reinforce hypertrophy of tendon and muscle.
The utility model has the advantages that
The utility model provides a kind of grid for lead-acid storage batteries, and the horizontal root item of the grid is that W bending and straight line are embedding
The structure that section combines, the bending structure can increase the contact area of grid and active material, reduce the internal resistance of battery, improve
The discharge performance of battery；Meanwhile W bending can be reduced the internal stress of grid in discharge process, make horizontal root item deformation not easy to break；
In addition, the reinforcing rib of setting can make grid stronger, and it is not easy to break, extend the service life of battery.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of grid for lead-acid storage batteries provided by the utility model.
Specific embodiment
The utility model provides a kind of grid for lead-acid storage batteries, to make the purpose of this utility model, technical solution and effect
Fruit is clearer, clear, and the utility model is further described as follows in conjunction with drawings and embodiments.It should be appreciated that this
Locate described specific embodiment only to explain the utility model, is not used to limit the utility model.
Referring to Fig. 1, the utility model provides a kind of grid for lead-acid storage batteries, the grid can be used for 2V, 6V,
12V fixed valve-regulated lead-acid battery or general valve-regulated lead-acid battery.The grid includes rectangular-shaped frame 1, setting
Tab 2 on frame and several horizontal root items 3 and the perpendicular root item 4 being arranged in frame, the tab 2 can be set in frame
1 middle part is close to both sides, and for different battery structures, the different grid in tab position is arranged.When tab 2 is arranged in centre
When, there is better electric conductivity, the centre of frame is arranged in tab by this specific embodiment,
In above structure, the horizontal root item 3 is several grids being parallel to each other being horizontally installed in frame, main to play branch
Support and the effect for keeping active material, the structure of horizontal root item are the form that W bending 3.1 is combined with 3.2 block of straight line, horizontal root item
The opening of W bending 3.1 is in same plane towards tab 2 and with tab, horizontal 3.2 part of root straight line respectively with perpendicular root item 4 and
Frame 1 connects, and the cross section of horizontal root item is diamond structure, and thickness is about the 1/3~2/3 of seal ring thickness.The horizontal root of bending structure
Item can increase the contact area of lead plaster active material, reduce falling off for active material, while reduce interior resistance, improve the property of battery
Energy；In addition, bending structure can be reduced in charge and discharge process, internal stress of the horizontal root item in dilation avoids frame by cross
The stress of root item and torsional deformation phenomenon；The opening of horizontal root W bending is towards tab, and the cross section of horizontal root item is diamond shape knot
Structure, such direction and structure and active material have preferable adhesive force, can be reduced falling off for active material.
The perpendicular root item 4 is several rectilinear grids being disposed longitudinally in frame, erects root item 4 and mainly plays electric action, often
Root erects root item 4 and joins with every horizontal root item 3, and perpendicular root item 4 and horizontal root item 3 are in same plane, form netted grid, specifically
Ground, the straightway of horizontal root item and perpendicular root item join, and the cross section of horizontal root item and perpendicular root item is diamond structure.
The horizontal root item 3 and perpendicular root item 4 serve not only as the carrier of active material, while the medium also as electric current transmitting,
In this configuration, the horizontal root item 3 and perpendicular root item 4 are thick further away from tab end close to 2 end of tab, that is, the horizontal root item being parallel to each other
In, the horizontal root sliver transvers section area close to tab end is big further away from the sectional area of the horizontal root item at tab end, and perpendicular root item is then extremely
Ear end is tapered to far from tab end, and such structure has preferable electric conductivity, and internal resistance is smaller, and charge-discharge performance is good,
Battery life is long.
In above structure, it is equipped with reinforcing rib (including 3.3 and 4.2 in Fig. 1) in the horizontal root item 3 and perpendicular root item 4, adds
Strengthening tendons can improve the stability of grid, and grid is avoided to be broken or burst in charge and discharge process.In specific implementation process, horizontal root item and
The quantity of the reinforcing rib of perpendicular root item is no less than 1, and the more horizontal root item of reinforcing rib and perpendicular root item are all thick, the more horizontal root item of sectional area and
The sectional area of perpendicular root item is all big, so that grid be made to have more firm structure, enhances the service life of grid.
In above structure, the frame 1 is the frame of entire grid, therefore the more horizontal root item 3 of thickness of frame, perpendicular root item 4
And reinforcing rib is thick, to prevent deforming in charge and discharge process.
In specific implementation process, entire grid is prepared by gravity casting, be integrally formed, due to frame 1, tab 2,
Horizontal root item 3, perpendicular root item 4 are in same plane, so die sinking is easy, production is simple.
In specific implementation process, by the grid of above structure by being dried with lead plaster coated plate, solidification, chemical conversion, then assemble
In lead-acid accumulator, that is, it can be used.
Performance test: according to national standard GB/T19638.1-2014 " the valve controlling sealed formula lead-acid accumulator of fixed " and GB/
T19639.1-2014 " general valve-regulated lead-acid battery " is tested, and 15 indexs reach national standard, wherein in pole
Under the conditions of plate weight is not increased, by the grid of above structure compared with rectangle rectilinear grid grid, battery life (high temperature
Floating charge electric life) by being greater than 260 days (rectangle rectilinear grid grid), it is increased to greater than 340 days, cycle-index (floating charging
Cyclic durability) by being greater than 300 times (rectangle rectilinear grid grid), it is increased to greater than 400 times.Obviously, the plate of above structure
Grid, by the change of structure, greatly improve the charge-discharge performance of battery, improve electricity in the not increased situation of quality
The service life in pond.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
It, which is conceived, is subject to equivalent substitution or change, and all these changes or replacement all should belong to the utility model the attached claims
Protection scope.
Claims (7)
1. a kind of grid for lead-acid storage batteries, including tab, frame and several perpendicular root items and the horizontal root item being arranged in frame,
It is characterized in that, the horizontal root item is the grid being horizontally installed in frame, structure is that W bending is tied in conjunction with straight line block
Structure, the perpendicular root item is the rectilinear grid being disposed longitudinally in frame, and horizontal root item joins in length and breadth with perpendicular root item, forms reticular lamina
Grid.
2. grid for lead-acid storage batteries according to claim 1, which is characterized in that the W bending opening court of the horizontal root item
To tab end.
3. grid for lead-acid storage batteries according to claim 1, which is characterized in that the horizontal root item and perpendicular root item it is transversal
Face is diamond structure.
4. grid for lead-acid storage batteries according to claim 1, which is characterized in that the horizontal root item and perpendicular root item lean on proximal pole
Ear end is thick further away from tab end.
5. grid for lead-acid storage batteries according to claim 1, which is characterized in that the horizontal root item and perpendicular root item are equipped with
Reinforcing rib, the more horizontal root item of reinforcing rib and perpendicular root item are thick.
6. grid for lead-acid storage batteries according to claim 1, which is characterized in that the tab is set in frame
Portion.
7. grid for lead-acid storage batteries according to claim 1, which is characterized in that the more horizontal root item of the frame, perpendicular root item
And reinforce hypertrophy of tendon and muscle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920692290.9U CN209675401U (en) | 2019-05-15 | 2019-05-15 | A kind of grid for lead-acid storage batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920692290.9U CN209675401U (en) | 2019-05-15 | 2019-05-15 | A kind of grid for lead-acid storage batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209675401U true CN209675401U (en) | 2019-11-22 |
Family
ID=68575083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920692290.9U Expired - Fee Related CN209675401U (en) | 2019-05-15 | 2019-05-15 | A kind of grid for lead-acid storage batteries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209675401U (en) |
-
2019
- 2019-05-15 CN CN201920692290.9U patent/CN209675401U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102881866B (en) | A kind of lead carbon battery negative plate containing lead graphene composite material | |
| CN102856533B (en) | Negative plate of lead-carbon battery | |
| CN108598609B (en) | Internal formation process of colloid power lead-acid storage battery | |
| CN104900851A (en) | Cathode for lead-carbon batteries, production method of cathode and battery made with cathode | |
| CN103943831A (en) | Electrode plate solidification technology for lead-acid battery | |
| CN103618067A (en) | Tubular negative plate of lead-carbon battery | |
| CN103762359A (en) | Positive lead plaster for lead-acid storage battery | |
| CN101350406B (en) | Tube-type fixed lead acid battery anode active substance for storing energy | |
| CN107069044A (en) | A kind of long service life head-acid accumulator | |
| CN104577056A (en) | Positive plate of lead-acid storage battery and manufacturing method of positive plate | |
| CN102130337A (en) | High-temperature cyclic type negative pole active substance of lead-acid battery | |
| CN105845898A (en) | Lead-carbon battery negative plate and preparation method therefor | |
| CN105406031A (en) | Negative electrode lead paste of lead-acid accumulator | |
| CN209675401U (en) | A kind of grid for lead-acid storage batteries | |
| CN201238063Y (en) | Lead-fiber lead-acid accumulator slab lattice | |
| CN107742697B (en) | Preparation method of external application type lead-carbon battery cathode | |
| CN205583037U (en) | Device for carrying out pre-lithiation on negative pole piece of lithium ion battery | |
| JP5505248B2 (en) | Lead acid battery | |
| CN202231099U (en) | Curved grid | |
| CN2667676Y (en) | Leaf vein shape positive pole plate grid without maintenance | |
| CN203607484U (en) | Tubular negative plate of lead-carbon battery | |
| CN213093250U (en) | Lithium ion battery with composite structure negative electrode | |
| CN202905863U (en) | Storage battery grid for preventing active substances from falling and storage battery | |
| CN209675402U (en) | A kind of long-life grid of no transverse rod strip | |
| CN203013848U (en) | Superbattery negative plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191122 Termination date: 20210515 |