CN220086305U - Battery structure with current collector - Google Patents
Battery structure with current collector Download PDFInfo
- Publication number
- CN220086305U CN220086305U CN202321418894.7U CN202321418894U CN220086305U CN 220086305 U CN220086305 U CN 220086305U CN 202321418894 U CN202321418894 U CN 202321418894U CN 220086305 U CN220086305 U CN 220086305U
- Authority
- CN
- China
- Prior art keywords
- current collector
- anticorrosive coating
- corrosion layer
- battery
- corrosion
- 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.)
- Active
Links
- 238000005260 corrosion Methods 0.000 claims abstract description 44
- 229920001973 fluoroelastomer Polymers 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims description 50
- 238000000576 coating method Methods 0.000 claims description 50
- 239000000463 material Substances 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 2
- 239000003792 electrolyte Substances 0.000 abstract description 16
- 238000005452 bending Methods 0.000 abstract description 8
- 239000013013 elastic material Substances 0.000 abstract description 8
- 230000007797 corrosion Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model discloses a battery structure with a current collector, and relates to the technical field of storage batteries. According to the utility model, through the arrangement of the first anti-corrosion layer, the second anti-corrosion layer, the buffer post and the gap, the first anti-corrosion layer and the second anti-corrosion layer are made of fluororubber, belong to elastic materials and can withstand corrosion of electrolyte, the current collector main body is wrapped by the first anti-corrosion layer and the second anti-corrosion layer so as to prevent the electrolyte from corroding the current collector main body, a plurality of arch structures are formed between the first anti-corrosion layer and the second anti-corrosion layer through the buffer post, the anti-corrosion effect is good, the bending resistance is increased, the deformation of the current collector main body is reduced, and the current collector main body can keep corrosion even if the current collector main body is deformed.
Description
Technical Field
The utility model relates to the technical field of storage batteries, in particular to a battery structure with a current collector.
Background
The current collector is mainly used in the battery, is an important part in the storage battery, and mainly collects the current generated by the active substances of the battery so as to form larger current to be output outwards, and is usually made of foil-shaped materials such as copper foil, aluminum foil and the like.
The current collector is in order to avoid electrolyte to corrode the current collector in the during operation, can generally coat anticorrosive coating on the surface of the current collector, for example, the compound current collector with the application number of 202122114619.3, although the technical scheme avoids electrolyte to corrode the current collector through coating anticorrosive coating, after the storage battery is used for a long time, the storage battery is expanded due to reasons such as overcharge and discharge, too low temperature during charging, broken shell and the like, the internal pressure of the storage battery is large after the expansion of the storage battery, the body type of the current collector is thinner, the pressure increase of the storage battery easily leads to the bending deformation of the current collector, the structural bending easily leads to the cracking of a surface anticorrosive coating film and then leads to the corrosion of the current collector by the electrolyte, and further the consumption of the service life of the storage battery is accelerated.
Disclosure of Invention
Based on the above, the utility model aims to provide a battery structure with a current collector, so as to solve the technical problem that the current collector is deformed to crack an anti-corrosion coating due to the increase of the internal pressure of the expansion of a storage battery.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a battery structure with current collector, includes battery body and current collector body, be provided with first anticorrosive coating on the current collector body, and be connected with the second anticorrosive coating on the first anticorrosive coating, all be connected with the buffer column on first anticorrosive coating and the second anticorrosive coating, and be provided with the cavity between first anticorrosive coating and the second anticorrosive coating.
Through adopting above-mentioned technical scheme, first anticorrosive coating and second anticorrosive coating are fluororubber, belong to elastic material and can stand the corruption of electrolyte, wrap up the mass flow body main part through first anticorrosive coating and second anticorrosive coating and then avoid electrolyte to corrode the mass flow body main part, make simultaneously through the buffer post and form a plurality of arches between first anticorrosive coating and the second anticorrosive coating, and then increase the compressive capacity of mass flow body main part and reduce the bending phenomenon emergence of mass flow body main part, and because first anticorrosive coating and second anticorrosive coating belong to elastic material can follow the mass flow body main part and warp together, even too big mass flow body deformation of pressure also can guarantee the antiseptic effect.
Further, the battery body is respectively connected with a positive terminal and a negative terminal, the battery body is respectively connected with a positive plate, a negative plate and a separator, the current collector body is connected to the tops of the positive plate and the negative plate, and the current collector body is connected with a pole.
By adopting the above technical scheme, the battery body is responsible for the oxidation and reduction reactions of the electrolyte and the metal, and when the positive plate and the negative plate are put into the electrolyte, the oxidation and reduction reactions respectively occur in the electrode depending on the electron affinity of the electrode metal.
Further, a plurality of buffer columns are arranged, and the buffer columns are distributed in a staggered mode.
Through adopting above-mentioned technical scheme, increase the compressive capacity of first anticorrosive coating and second anticorrosive coating through a plurality of buffer columns, reduce the influence that the battery main part internal pressure produced to the mass flow body, and then reduce the mass flow body deformation.
Further, the section of the buffer column is semicircular, and the buffer columns are fixedly connected with the first anti-corrosion layer and the second anti-corrosion layer respectively.
Through adopting above-mentioned technical scheme, make through the buffer post form a plurality of arch structures between first anticorrosive coating and the second anticorrosive coating, and then increase the compressive capacity of current collector main part and reduce the crooked phenomenon of current collector main part and take place.
Furthermore, the first anti-corrosion layer, the second anti-corrosion layer and the buffer post are all made of fluororubber materials.
Through adopting above-mentioned technical scheme, first anticorrosive coating and second anticorrosive coating are fluororubber, belong to elastic material and can stand the corruption of electrolyte, wrap up the mass flow body through first anticorrosive coating and second anticorrosive coating and then avoid the corruption of electrolyte mass flow body.
Further, the positive plate, the negative plate and the separator are all provided with a plurality of positive plates, the negative plate and the separator which are equally distributed at equal intervals.
By adopting the above technical scheme, the positive electrode plate and the negative electrode plate are immersed in the same electrolyte solution, one of them will obtain electrons, and the other will release electrons, and the current is increased by the arrangement of the plurality of positive electrode plates and the plurality of negative electrode plates.
Further, the current collector main body and the pole are both provided with two, and the two current collector main bodies are respectively connected with the plurality of positive plates and the plurality of negative plates.
Through adopting above-mentioned technical scheme, positive terminal and negative terminal are connected with two posts respectively, collect the electric current after the electric current when two mass flow body, pass through the post with the electric current transmission, and then make positive terminal and negative terminal and positive plate and negative plate circuit UNICOM.
In summary, the utility model has the following advantages:
according to the utility model, through the arrangement of the first anti-corrosion layer, the second anti-corrosion layer, the buffer post and the gap, the first anti-corrosion layer and the second anti-corrosion layer are made of fluororubber, belong to elastic materials and can withstand corrosion of electrolyte, the current collector main body is wrapped by the first anti-corrosion layer and the second anti-corrosion layer so as to avoid corrosion of the current collector main body by the electrolyte, and meanwhile, a plurality of arch structures are formed between the first anti-corrosion layer and the second anti-corrosion layer through the buffer post, so that the compression resistance of the current collector main body is increased, the bending phenomenon of the current collector main body is reduced, and the first anti-corrosion layer and the second anti-corrosion layer can be deformed together with the current collector main body due to the fact that the first anti-corrosion layer and the second anti-corrosion layer belong to elastic materials, the anti-corrosion effect is good, and meanwhile, the bending resistance is increased so that the current collector main body is deformed, and the anti-corrosion can be kept even if the current collector main body is deformed.
Drawings
Fig. 1 is a schematic view of a current collector body structure according to the present utility model;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A in accordance with the present utility model;
FIG. 3 is a schematic view of a battery structure according to the present utility model;
fig. 4 is a schematic view showing a structure of a battery according to the present utility model in a top-down view.
In the figure: 1. a battery main body; 2. a positive electrode terminal; 3. a negative electrode terminal; 4. a current collector body; 5. a pole; 6. a positive plate; 7. a negative plate; 8. a partition plate; 9. a first corrosion protection layer; 10. a second anti-corrosion layer; 11. a buffer column; 12. a cavity.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.
The utility model provides a battery structure with current collector, as shown in fig. 1-4, including battery body 1 and current collector body 4, current collector body 4 outside parcel has first anticorrosive coating 9, and first anticorrosive coating 9 outside parcel has and is connected with second anticorrosive coating 10, avoid electrolyte and current collector body 4 contact to play anticorrosive effect, be connected with buffer column 11 between first anticorrosive coating 9 and the second anticorrosive coating 10, and be provided with cavity 12 between first anticorrosive coating 9, second anticorrosive coating 10 and the buffer column 11, anticorrosive effect is better, increase bending resistance simultaneously reduces current collector body deformation, and even current collector body deformation also can keep anticorrosive.
Referring to fig. 1 and 2, in the above embodiment, the positive electrode terminal 2 and the negative electrode terminal 3 are respectively connected to one side of the top of the battery body 1 from front to back, and the negative electrode plate 7, the separator 8 and the positive electrode plate 6 are respectively connected to the inside of the battery body 1 from left to right, and the current collector body 4 is connected to the tops of the positive electrode plate 6 and the negative electrode plate 7, the current collector body 4 is provided with two, and the two current collector bodies 4 are respectively connected to the plurality of positive electrode plates 6 and the negative electrode plate 7, the positive electrode plate 6, the negative electrode plate 7 and the separator 8 are all provided with a plurality of, and the plurality of positive electrode plates 6, the negative electrode plate 7 and the separator 8 are equally spaced, and the tops of the two current collector bodies 4 are respectively connected to the two electrode posts 5, thereby facilitating the storage of electric energy and the output of electric energy.
Referring to fig. 3 and fig. 4, in the above embodiment, the buffer columns 11 are provided with a plurality of buffer columns 11, and the plurality of buffer columns 11 are distributed in a staggered manner, the section of the buffer column 11 is semicircular, and the plurality of buffer columns 11 are fixedly connected with the first anti-corrosion layer 9 and the second anti-corrosion layer 10 respectively in an integrated forming manner, and the first anti-corrosion layer 9, the second anti-corrosion layer 10 and the buffer columns 11 are all made of fluororubber materials, so that the anti-corrosion effect is better.
The implementation principle of the embodiment is as follows: first, first anticorrosive coating 9 and second anticorrosive coating 10 are fluororubber, belong to the elastic material and can stand the corruption of electrolyte, wrap up current collector main part 4 and then avoid electrolyte to corrode current collector main part 4 through first anticorrosive coating 9 and second anticorrosive coating 10, make simultaneously through buffer post 11 and form a plurality of arches between first anticorrosive coating 9 and the second anticorrosive coating 10, and then increase the compressive capacity of current collector main part 4 in order to reduce current collector main part 4 bending phenomenon and take place, and because first anticorrosive coating 9 and second anticorrosive coating 10 belong to the elastic material can follow current collector main part 4 together to warp, and not fracture, even pressure is too big to lead to current collector main part 4 to warp also can guarantee the anticorrosive effect.
Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.
Claims (7)
1. A battery structure with a current collector, comprising a battery body (1) and a current collector body (4), characterized in that: be provided with first anticorrosive coating (9) on collector main part (4), and be connected with second anticorrosive coating (10) on first anticorrosive coating (9), all be connected with buffer post (11) on first anticorrosive coating (9) and second anticorrosive coating (10), and be provided with cavity (12) between first anticorrosive coating (9) and second anticorrosive coating (10).
2. The battery structure with a current collector according to claim 1, wherein: the battery is characterized in that the battery body (1) is respectively connected with a positive terminal (2) and a negative terminal (3), the battery body (1) is respectively connected with a positive plate (6), a negative plate (7) and a partition plate (8), the current collector body (4) is connected to the tops of the positive plate (6) and the negative plate (7), and the current collector body (4) is connected with a pole column (5).
3. The battery structure with a current collector according to claim 1, wherein: the buffer columns (11) are arranged in a plurality, and the buffer columns (11) are distributed in a staggered mode.
4. A battery structure with a current collector as claimed in claim 3, wherein: the section of each buffer column (11) is semicircular, and the buffer columns (11) are fixedly connected with the first anti-corrosion layer (9) and the second anti-corrosion layer (10) respectively.
5. The battery structure with a current collector according to claim 4, wherein: the first anti-corrosion layer (9), the second anti-corrosion layer (10) and the buffer column (11) are made of fluororubber materials.
6. The battery structure with a current collector according to claim 2, wherein: the positive plates (6), the negative plates (7) and the separators (8) are all arranged in a plurality, and the positive plates (6), the negative plates (7) and the separators (8) are distributed at equal distances.
7. The battery structure with current collector according to claim 6, wherein:
the two current collector bodies (4) and the two electrode posts (5) are respectively arranged, and the two current collector bodies (4) are respectively connected with the positive electrode plates (6) and the negative electrode plates (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321418894.7U CN220086305U (en) | 2023-06-06 | 2023-06-06 | Battery structure with current collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321418894.7U CN220086305U (en) | 2023-06-06 | 2023-06-06 | Battery structure with current collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220086305U true CN220086305U (en) | 2023-11-24 |
Family
ID=88825855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321418894.7U Active CN220086305U (en) | 2023-06-06 | 2023-06-06 | Battery structure with current collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220086305U (en) |
-
2023
- 2023-06-06 CN CN202321418894.7U patent/CN220086305U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5016306B2 (en) | Lead acid battery | |
| US20210104795A1 (en) | Secondary battery and battery unit | |
| CN209401755U (en) | Electrode assembly, secondary cell and battery modules | |
| CN113826247A (en) | Volume expansion adaptable anodeless solid-state battery | |
| CN109841910B (en) | Liquid metal battery | |
| JP7296016B2 (en) | Lead alloy foil, positive electrode for lead-acid battery, lead-acid battery, and power storage system | |
| US20100062335A1 (en) | Bipolar battery | |
| CN220086305U (en) | Battery structure with current collector | |
| CN208240790U (en) | A kind of battery pole piece, Battery Pole Core and battery | |
| CN215184061U (en) | Current collector-free battery core and energy storage device | |
| CN215869580U (en) | Cylinder lithium cell structure | |
| CN115692718A (en) | Aqueous battery | |
| CN102340036A (en) | High-capacity lithium ion battery | |
| CN110474104B (en) | Winding type battery cell and battery using same | |
| JP2021163676A (en) | Liquid type lead-acid battery | |
| JP4747391B2 (en) | Cylindrical secondary battery | |
| CN112038686A (en) | Lithium ion battery with potential difference double cathodes | |
| CN2614389Y (en) | Winding type valve control sealed lead-acid accumulator | |
| JP5073403B2 (en) | Lead-acid battery grid and lead-acid battery using the grid | |
| CN218333913U (en) | Battery cell and battery | |
| CN220628028U (en) | Soft package lithium ion battery shell structure | |
| CN217062221U (en) | Battery cell and battery | |
| US20240055671A1 (en) | Bipolar Lead-Acid Storage Battery And Method For Manufacturing Bipolar Lead-Acid Storage Battery | |
| CN220774468U (en) | Lithium battery cell winding structure | |
| CN217933933U (en) | Non-deformable's positive plate and secondary battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |