CN205177973U - Bipolar battery - Google Patents
Bipolar battery Download PDFInfo
- Publication number
- CN205177973U CN205177973U CN201520891724.XU CN201520891724U CN205177973U CN 205177973 U CN205177973 U CN 205177973U CN 201520891724 U CN201520891724 U CN 201520891724U CN 205177973 U CN205177973 U CN 205177973U
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- CN
- China
- Prior art keywords
- bipolar
- battery
- lead plaster
- substrate
- bipolar battery
- 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.)
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- 239000011505 plaster Substances 0.000 claims abstract description 24
- 239000000758 substrate Substances 0.000 claims description 40
- 230000004888 barrier function Effects 0.000 claims description 8
- -1 Copper-Aluminum compound Chemical class 0.000 claims description 3
- 239000003792 electrolyte Substances 0.000 abstract description 8
- 230000003647 oxidation Effects 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 13
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011149 active material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 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
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a bipolar battery, including bipolar plate and diaphragm, bipolar plate's base plate both sides are provided with anodal lead plaster and negative pole lead plaster respectively, and the diaphragm sets up between adjacent anodal lead plaster and negative pole lead plaster, the base plate is bottom lock, open -top, middle for the columnar structure of cavity, and the inner wall of base plate sets up the negative pole lead plaster, and the outer wall sets up anodal lead plaster, and the equal nested within each other of every bipolar plate. The utility model discloses a bipolar battery, the bipolar plate battery only has a face to seal when using, has reduced sealed demand, has reduced the sealed degree of difficulty. In addition, after the electrolyte sank, because that the polycrystalline substance of base plate also can be used for is inside and outside electrically conductive, and the bottom area was bigger than present bipolar battery's bottom area, so electric conductive property is better, and the utilization ratio of electrolyte is higher, and the performance of battery is better, fine had avoided the leakage of electrolyte and the oxidation between the positive negative pole.
Description
Technical field
The utility model relates to battery apparatus technical field, more particularly, relates to a kind of bipolar battery.
Background technology
The two sides that bipolarity in bipolar battery refers to a substrate is respectively arranged with anode diachylon and cathode lead plaster and two polarity formed, compared with unipolarity, dividing plate negligible amounts in bipolar battery, lighter in weight, therefore it occupies larger use market.
Refer to Fig. 1, existing bipolar battery, it mainly comprises pole plate 11 and the dividing plate 12 of rectangular shape, and pole plate 11 comprises substrate 111, and the two sides of substrate 111 is respectively anode diachylon 112 and cathode lead plaster 113.When determining the battery of voltage in making, need multiple pole plate 11 to connect in a thickness direction, and separate with dividing plate 12 between each pole plate 11.Above-mentioned bipolar battery before use, needs to carry out the encapsulation process between pole plate 11 and dividing plate 12, to avoid leakage, and needs during sealing to seal from four faces.But sealing technique is comparatively complicated, when four faces are sealed, production efficiency will inevitably be affected; In addition, in use, electrolyte is easily accumulated in battery lower end to existing bipolar battery, make electrolytical utilance lower, affect the serviceability of battery, and when using, can there is Strong oxdiative in battery, easily corrode between both positive and negative polarity, also can cause electrolytical leakage.
In sum, how to provide a kind of bipolar battery, to improve its sealing property, reduce the corrosion between both positive and negative polarity, avoid leakage, and improve electrolytical utilance in battery, and then improve battery serviceability, be current those skilled in the art's problem demanding prompt solution.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of bipolar battery, to improve its sealing property, reduces the corrosion between both positive and negative polarity, avoids leakage, and improve electrolytical utilance in battery, and then improve battery serviceability.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of bipolar battery, comprise bipolar plates and barrier film, the substrate both sides of described bipolar plates are respectively arranged with anode diachylon and cathode lead plaster, and described barrier film is arranged between adjacent described anode diachylon and described cathode lead plaster; Described substrate is bottom lock, open top, the middle column structure for cavity, and the inwall of described substrate arranges described cathode lead plaster, and outer wall arranges described anode diachylon, and each described bipolar plates is nested mutually.
Preferably, each described substrate is plumbous matter substrate or Copper-Aluminum compound substrate.
Preferably, in described bipolar battery, bipolar plates described in three groups is at least set.
Preferably, the bottom of described substrate arranges circular arc chamfering.
Preferably, the cross section of described substrate is set to annular.
Preferably, the longitudinal section of described substrate is set to rectangle or inverted trapezoidal.
The bipolar battery that the utility model provides, substrate in its bipolar plates is set to bottom lock, open top, the middle column structure for cavity, the inner and outer wall of this substrate arranges cathode lead plaster and anode diachylon respectively, and is provided with barrier film between adjacent positive lead plaster and cathode lead plaster.After adopting the substrate of above-mentioned column structure, bipolar plates battery only has a face to need sealing in use, decreases sealing demand, reduces sealing difficulty.In addition, after electrolyte sinks, because the polycrystalline substance of substrate also may be used for inside and outside conduction, and bottom area is also large relative to the bottom area of existing bipolar battery, therefore electric conductivity is better, electrolytical utilance is higher, and the serviceability of battery is better, well avoids the oxidation between electrolytical leakage and both positive and negative polarity.To sum up, the sealing property of this bipolar battery is better, avoids leakage, and improves electrolytical utilance in battery, and then improve battery serviceability.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The structural representation of the bipolar battery that Fig. 1 provides for prior art;
The structural representation of the bipolar battery that Fig. 2 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 2, the bipolar battery that the utility model embodiment provides, comprise bipolar plates 21 and barrier film 22, substrate 211 both sides of bipolar plates 21 are respectively arranged with anode diachylon 213 and cathode lead plaster 212, and barrier film 22 is arranged between adjacent anode diachylon 213 and cathode lead plaster 212.In the present embodiment, substrate 211 is set to bottom lock, open top, the middle column structure for cavity, and the inwall of substrate 211 arranges cathode lead plaster 212, and outer wall arranges anode diachylon 213, and each bipolar plates 21 is nested mutually.
The substrate 211 of above-mentioned column structure only has a face to need to close, and remaining face is closed, and therefore in the use of bipolar battery, its closed performance is better, and seal operation is more easy.In addition, after each bipolar plates 21 is mutually nested, its periphery and bottom are also sealings, do not need additionally to carry out seal operation again.Due to this nested setting; bipolar battery active matter is made to define enclosed structure; when active mass expansion; from all directions to the certain binding force of active material, obstruction can be caused to its expansion, thus slackens the expansion of active matter; and then the coming off of lead plaster when avoiding expansion; to battery, there is certain protective effect, ensured the serviceability of battery, extended the service time of battery simultaneously.
Preferably, the substrate 211 in above-mentioned each bipolar plates 21 is all set to plumbous matter substrate or Copper-Aluminum compound substrate, and namely in bipolar battery, substrate 211 uses identical conductive material.Battery in use, there will be Strong oxdiative reaction, makes to corrode between both positive and negative polarity, thus cause electrolytical leakage, after the substrate 211 using identical material, the corrosive effect between both positive and negative polarity can be weakened to a certain extent, improve the useful life of battery.
In addition, preferably three groups of bipolar plates 21 can be at least set in bipolar battery, to improve the voltage of bipolar battery, ensure power supply effect.
As preferably, the bottom of aforesaid substrate 211 is set to circular arc chamfering, when electrolyte sinks, can slip down to the bottom of bipolar plates 21, avoid electrolyte to accumulate in the edge of bipolar plates 21 along circular arc chamfering.
Concrete, the cross section of aforesaid substrate 211 can be set to annular, and longitudinal section can be set to rectangle or inverted trapezoidal.Certainly, it is also feasible that cross section is set to all the other shapes, certainly preferentially will consider and facilitate the nested of bipolar plates 21, be not specifically limited herein.
The bipolar battery that the utility model embodiment provides, substrate 211 in its bipolar plates 21 is set to bottom lock, open top, the middle column structure for cavity, the inner and outer wall of this substrate 211 arranges cathode lead plaster 212 and anode diachylon 213 respectively, and is provided with barrier film 22 between adjacent positive lead plaster 213 and cathode lead plaster 212.After adopting the substrate 211 of above-mentioned column structure, bipolar plates battery only has a face to need sealing in use, decreases sealing demand, reduces sealing difficulty.In addition, after electrolyte sinks, because the polycrystalline substance of substrate 211 also may be used for inside and outside conduction, and bottom area is also large relative to the bottom area of existing bipolar battery, therefore electric conductivity is better, electrolytical utilance is higher, and the serviceability of battery is better, well avoids the oxidation between electrolytical leakage and both positive and negative polarity.To sum up, the sealing property of this bipolar battery is better, avoids leakage, and improves electrolytical utilance in battery, and then improve battery serviceability
Adopt the form of going forward one by one to be described in this specification between each embodiment, what each embodiment stressed is all the differences with other embodiments, the similar portion between each embodiment mutually see.
To the above-mentioned explanation of the disclosed embodiments, those skilled in the art are realized or uses the utility model.To be apparent for a person skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a bipolar battery, comprise bipolar plates (21) and barrier film (22), substrate (211) both sides of described bipolar plates (21) are respectively arranged with anode diachylon (213) and cathode lead plaster (212), and described barrier film (22) is arranged between adjacent described anode diachylon (213) and described cathode lead plaster (212); It is characterized in that, the column structure that described substrate (211) is bottom lock, open top, centre are cavity, the inwall of described substrate (211) arranges described cathode lead plaster (212), outer wall arranges described anode diachylon (213), and each described bipolar plates (21) is nested mutually.
2. bipolar battery according to claim 1, is characterized in that, each described substrate (211) is plumbous matter substrate or Copper-Aluminum compound substrate.
3. bipolar battery according to claim 2, is characterized in that, at least arranges bipolar plates (21) described in three groups in described bipolar battery.
4. the bipolar battery according to any one of claims 1 to 3, is characterized in that, the bottom of described substrate (211) arranges circular arc chamfering.
5. bipolar battery according to claim 4, is characterized in that, the cross section of described substrate (211) is set to annular.
6. bipolar battery according to claim 5, is characterized in that, the longitudinal section of described substrate (211) is set to rectangle or inverted trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520891724.XU CN205177973U (en) | 2015-11-10 | 2015-11-10 | Bipolar battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520891724.XU CN205177973U (en) | 2015-11-10 | 2015-11-10 | Bipolar battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205177973U true CN205177973U (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520891724.XU Active CN205177973U (en) | 2015-11-10 | 2015-11-10 | Bipolar battery |
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| CN (1) | CN205177973U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390753A (en) * | 2015-11-10 | 2016-03-09 | 山东圣阳电源股份有限公司 | Bipolar battery |
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2015
- 2015-11-10 CN CN201520891724.XU patent/CN205177973U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390753A (en) * | 2015-11-10 | 2016-03-09 | 山东圣阳电源股份有限公司 | Bipolar battery |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |