CN106450114A - Battery separator with embedded ribs - Google Patents
Battery separator with embedded ribs Download PDFInfo
- Publication number
- CN106450114A CN106450114A CN201611150412.9A CN201611150412A CN106450114A CN 106450114 A CN106450114 A CN 106450114A CN 201611150412 A CN201611150412 A CN 201611150412A CN 106450114 A CN106450114 A CN 106450114A
- Authority
- CN
- China
- Prior art keywords
- rib
- battery separator
- ribs
- clapboard body
- separator
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 43
- 239000004020 conductor Substances 0.000 claims abstract description 5
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910021389 graphene Inorganic materials 0.000 claims description 4
- 239000002253 acid Substances 0.000 abstract description 3
- 230000008093 supporting effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 210000003205 muscle Anatomy 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000013543 active substance Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/463—Separators, membranes or diaphragms characterised by their shape
-
- 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
Abstract
The invention discloses a battery separator with embedded ribs. The battery separator comprises a separator body and the ribs, the ribs are distributed on one surface of the separator body facing a positive electrode plate at intervals, the ribs include first ribs and second ribs, one surface of each first rib is integrally connected with the separator body, one surface of each second rib and the other surface opposite to the connecting surface of the first rib and the separator body are composited, materials of the first ribs are consistent with those of the separator body, and materials of the second ribs are conducting materials which are stable in the acid environments. The battery separator has the advantages that one layer of conducting materials are composited on traditional battery separator ribs, so that the ribs have electrical conductivity, the ribs with the structures have traditional supporting actions and can assist electrode plates to transmit current, the battery separator of the ribs with the structures can effectively prevent short circuit of a storage battery caused by mutual contact of the positive electrode plate and a negative electrode plate, and current transmission of the positive electrode plate of the storage battery is remarkably improved.
Description
Technical field
The present invention relates to battery manufacturing field, particularly to a kind of battery separator with inserted rib.
Background technology
Battery separator is placed on a kind of dividing plate made with diaphragm material in accumulator between positive plate and negative plate,
Play the effect separating positive plate and negative plate, and electric current can be made to pass through, can effectively prevent positive plate and bear
The accumulator short circuit problem that pole plate contacts with each other and causes.
The outside of battery separator is provided with rib, the design of rib can not only increase battery separator impact resistance and
Mechanical strength, and rib serves during battery separator use and supports between positive plate and negative plate enough
The effect in big space, so that there is enough electrolyte in the space around accumulator pole plate when carrying out chemical reaction, meets and stores
The needs of battery charging and discharging.At present, the rib on battery separator is made using with dividing plate identical material, due to manufacturing rib
Material be Ins. ulative material, the electric conductivity of therefore rib is poor, the poor-performing of the battery separator with this rib.
Content of the invention
Goal of the invention：For the problems referred to above, it is an object of the invention to provide a kind of battery separator with inserted rib,
Rib is made to be also equipped with good electric conductivity while playing a supporting role.
The above-mentioned technical purpose of the present invention is achieved through the following technical solutions：A kind of battery with inserted rib
Dividing plate, including clapboard body and rib, what described rib was spaced is distributed in the one side towards positive plate for the clapboard body, described rib
Including rib one and rib two, the one side of described rib one and clapboard body are integrally formed connection, the one side of described rib two and
Rib one is combined with the relative another side phase that clapboard body connects, and the material of described rib one is consistent with clapboard body material,
The material of described rib two is stable conductive material in sour environment.
By adopting technique scheme, because rib two has electric conductivity, therefore it is compound to the muscle of electrical insulating property
On bar one, the battery separator rib originally without conductive capability is made to have an electric conductivity, the existing certain height of this rib
There is certain conductive capability again, therefore use it in battery separator, playing the effect of support and can also be pole
Assosting effect is played in the electric current conveying of plate, improves the charge-discharge performance of accumulator, shortens the charging interval；Simultaneously as muscle
The material of bar two is stable material in sour environment, therefore has the stable performance of this inserted rib battery separator,
Long service life.
Further, described rib one and the mutually compound face of rib two are smooth plane.
By adopting technique scheme, the plane one side that mutually compound face is smooth is conducive to rib one and rib two
Making, the process simplification on the other hand making rib one and rib two-phase be combined, be conducive to industrialized production.
Further, described rib one is consistent with the width in the face that rib two-phase is combined.
By adopting technique scheme, because the battery separator with rib one adopts the side of polymer extrusion molding
Formula, when manufacturing the battery separator with inserted rib, using while polymer extrusion molding, by rib two from mould
In pass through, molding together with the battery separator with rib one, therefore, the width one in the face that rib one and rib two-phase are combined
Cause, be on the one hand conducive to the making another aspect of mould to be easy to production and processing.
Further, the width in the face that described rib one and rib two-phase are combined is 0.4-0.8mm.
By adopting technique scheme, the width of rib one and rib two is excessive, not only can make the making of battery separator
Cost increases and the resistance of battery separator can be made to become big, leads to the performance of battery separator to reduce, and rib one and rib two
Width narrow, then rib one and rib two are difficult to make.
Further, the material of described rib two is Graphene.
By adopting technique scheme, Graphene be nonmetallic materials although electrically conductive, but electric conductivity is poor,
And Graphene is expensive, making rib two with it can make the cost of rib increase.
Preferably, the material of described rib two is argent.
By adopting technique scheme, the stable chemical nature of argent, not with sulfuric acid reaction, it is difficult rotten by chemicals
Erosion, has extraordinary heat-conductivity conducting, and the material as rib two can significantly improve the electric conductivity of rib.
Preferably, the material of described rib two is metallic lead.
By adopting technique scheme, preferably, the corrosivity of resistance to sulphuric acid are good for the electric conductivity of metallic lead, and metallic lead
Cost is relatively low, suitable industrialized production.
Further, the total height of described rib one and rib two is 0.5-1.5mm.
By adopting technique scheme, the height of rib is closely related with the performance of battery separator, and rib height is higher,
The good impact resistance of battery separator, high mechanical strength, conduct electricity very well, but the excessive height of rib, not only make rib material
Consumption leads to greatly production cost too high, and the mechanical strength of cell septum case also no longer improves with the increase of rib height
Even it is also possible to can reduce；Rib is highly too low, and battery separator mechanical strength is low, the poor performance of battery separator.Therefore, by muscle
The height of bar is set to 0.5-1.5mm can be made the cost of manufacture of battery separator relatively low and can guarantee that battery separator has excellent property
Energy.
Further, the height of described rib one is 0.1-1.3mm, and the height of described rib two is 0.2-1.4mm.
By adopting technique scheme, the height of rib one is too low, on the one hand increased the difficulty of manufacture on the other hand
Can be compound on rib one to rib two and make troubles, then the height of rib two will mistake accordingly for the excessive height of rib one
Low, the manufacture difficulty of rib two becomes big, and the electric conductivity of rib is poor.
Beneficial effect：Compared with prior art, it is an advantage of the invention that traditional battery separator rib is combined last layer
Conductive material, makes rib have electric conductivity, the rib of this structure not only has traditional supporting role but also can be auxiliary
Pole plate is helped to carry out the conveying of electric current；Using the battery separator of the rib of this structure, can not only effectively prevent positive plate and
The accumulator short circuit problem that negative plate contacts with each other and causes, and the electric current conveying of battery positive voltage can be made to obtain significantly
Improve.
Brief description
Fig. 1 is the schematic diagram of the battery separator cross section along its length of embodiment 1；
Fig. 2 is the schematic diagram of the battery separator cross section along its length of embodiment 2；
Fig. 3 is the schematic diagram of the battery separator cross section along its length of embodiment 3；
Fig. 4 is the schematic diagram of the battery separator cross section along its length of embodiment 4；
Fig. 5 is the schematic diagram of the battery separator cross section along its length of embodiment 5；
Fig. 6 is the schematic diagram of the battery separator cross section along its length of embodiment 6；
In figure, 1, rib one；2nd, rib two；3rd, clapboard body.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment, it is further elucidated with the present invention it should be understood that these embodiments are merely to illustrate
The present invention rather than restriction the scope of the present invention, after having read the present invention, those skilled in the art are each to the present invention
The modification planting the equivalent form of value all falls within the application claims limited range.
Embodiment 1：A kind of battery separator with inserted rib, as shown in figure 1, include clapboard body and rib, muscle
What bar was spaced is distributed in the one side towards positive pole for the clapboard body, and rib includes rib one and rib two, and rib one is along septum plate length
The cross section in direction be trapezoidal, rib two along septum plate length direction cross section for drift angle be circular arc triangle, rib one
Be highly 0.1mm, the height of rib two is 1.4mm, the width of rib one and rib two is 0.4mm, the one side of rib one and
Clapboard body is integrally formed connection, and the relative another side phase that the one side of rib two connects with rib one and clapboard body is combined,
The face that rib one and rib two-phase are combined is smooth plane, and the material of rib one is consistent with clapboard body material, rib two
Material be stable metallic lead in sour environment or argent.
Embodiment 2：A kind of battery separator with inserted rib, as shown in Fig. 2 include clapboard body and rib, muscle
What bar was spaced is distributed in the one side towards positive pole for the clapboard body, and rib includes rib one and rib two, and rib one is along septum plate length
The cross section in direction is rectangle, and rib two is also rectangle along the cross section in septum plate length direction, and the height of rib one is
1.3mm, the height of rib two is 0.2mm, and the width of rib one and rib two is 0.8mm, and the one side of rib one and dividing plate are originally
Body by integral forming connects, and the relative another side phase that the one side of rib two connects with rib one and clapboard body is combined, rib one
The face being combined with rib two-phase is smooth plane, and the material of rib one is consistent with clapboard body material, the material of rib two
It is stable metallic lead in sour environment or argent.
Embodiment 3：A kind of battery separator with inserted rib, as shown in figure 3, include clapboard body and rib, muscle
What bar was spaced is distributed in the one side towards positive pole for the clapboard body, and rib includes rib one and rib two, and rib one is along septum plate length
The cross section in direction is trapezoidal, and rib two is rectangle along the cross section in septum plate length direction, and the height of rib one is 0.1mm,
The height of rib two is 0.4mm, and the width of rib one and rib two is 0.6mm, the one side of rib one and clapboard body one
Molding connects, and the relative another side phase that the one side of rib two connects with rib one and clapboard body is compound, rib one and rib
The face that two-phase is combined is smooth plane, and the material of rib one is consistent with clapboard body material, and the material of rib two is in acid
Stable metallic lead or argent in property environment.
Embodiment 4：A kind of battery separator with inserted rib, as shown in figure 4, include clapboard body and rib, muscle
What bar was spaced is distributed in the one side towards positive pole for the clapboard body, and rib includes rib one and rib two, rib one and rib two edge
The cross section in septum plate length direction is trapezoidal, and the height of rib one is 0.3mm, and the height of rib two is 0.2mm, rib one He
The width of rib two is 0.5mm, and the one side of rib one and clapboard body are integrally formed connection, the one side of rib two and rib one
The relative another side phase being connected with clapboard body is combined, and the face that rib one and rib two-phase are combined is smooth plane, muscle
The material of bar one is consistent with clapboard body material, and the material of rib two is stable metallic lead in sour environment or metal
Silver.
Embodiment 5：A kind of battery separator with inserted rib, as shown in figure 5, include clapboard body and rib, muscle
What bar was spaced is distributed in the one side towards positive pole for the clapboard body, and rib includes rib one and rib two, and rib one is along septum plate length
The cross section in direction is rectangle, and rib two is trapezoidal along the cross section in septum plate length direction, and the height of rib one is 0.3mm,
The height of rib two is 0.7mm, and the width of rib one and rib two is 0.7mm, the one side of rib one and battery separator one
Molding connects, and the relative another side phase that the one side of rib two connects with rib one and clapboard body is compound, rib one and rib
The face that two-phase is combined is smooth plane, and the material of rib one is consistent with clapboard body material, and the material of rib two is in acid
Stable metallic lead or argent in property environment.
Embodiment 6：A kind of battery separator with inserted rib, as shown in fig. 6, include clapboard body and rib, muscle
What bar was spaced is distributed in the one side towards positive pole for the clapboard body, and rib includes rib one and rib two, and rib one is along septum plate length
The cross section in direction is rectangle, and rib two is the triangle of circular arc along the cross section in septum plate length direction for drift angle, rib one
Height be 0.6mm, the height of rib two is 0.4mm, and the width of rib one and rib two is 0.4mm, the one side of rib one
It is integrally formed connection with clapboard body, the relative another side phase that the one side of rib two connects with rib one and clapboard body is multiple
The face that conjunction, rib one and rib two-phase are combined is smooth plane, and the material of rib one is consistent with clapboard body material, rib
Two material is stable metallic lead in sour environment or argent.
When the battery separator with inserted rib of embodiment 1-6 is assembled into battery, due on power battery cathode plate
Active substance loosely, be easy to come off by colliding with of sharp or hard object, therefore in order to protect negative plate
Integrity, battery separator carry rib side towards positive plate, need to there is no the side of rib towards negative plate, in case battery every
Rib on plate leads to coming off of active substance on pole plate to colliding with of negative plate.
In the battery, have that the battery separator rib of inserted rib is located one facing to positive plate, rib two with just
Pole plate directly contact, when charging, because rib two has electric conductivity, therefore using it for not only can in battery separator for battery
Play the effect of support and assosting effect can also be played for the electric current conveying of pole plate, improve the charge-discharge performance of accumulator,
Shorten the charging interval；Simultaneously as the material of rib two is stable material in sour environment, therefore there is this inlaying
The stable performance of formula rib battery separator, long service life.
Claims (9)
1. a kind of battery separator with inserted rib it is characterised in that：Including clapboard body and rib, described rib interval
Be distributed in the one side towards positive plate for the clapboard body, described rib includes rib one and rib two, the one side of described rib one
It is integrally formed connection, the relative another side phase that the one side of described rib two connects with rib one and clapboard body with clapboard body
Compound, the material of described rib one is consistent with clapboard body material, and the material of described rib two is stable in sour environment
Conductive material.
2. a kind of battery separator with inserted rib according to claim 1 it is characterised in that：Described rib one He
The mutually compound face of rib two is smooth plane.
3. a kind of battery separator with inserted rib according to claim 1 it is characterised in that：Described rib one He
The width in the face that rib two-phase is combined is consistent.
4. a kind of battery separator with inserted rib according to claim 3 it is characterised in that：Described rib one He
The width in the face that rib two-phase is combined is 0.4-0.8mm.
5. a kind of battery separator with inserted rib according to claim 1 it is characterised in that：Described rib two
Material is Graphene.
6. a kind of battery separator with inserted rib according to claim 1 it is characterised in that：Described rib two
Material is argent.
7. a kind of battery separator with inserted rib according to claim 1 it is characterised in that：Described rib two
Material is metallic lead.
8. a kind of battery separator with inserted rib according to claim 1 it is characterised in that：Described rib one He
The total height of rib two is 0.5-1.5mm.
9. a kind of battery separator with inserted rib according to claim 4 it is characterised in that：Described rib one
It is highly 0.1-1.3mm, the height of described rib two is 0.2-1.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611150412.9A CN106450114A (en) | 2016-12-14 | 2016-12-14 | Battery separator with embedded ribs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611150412.9A CN106450114A (en) | 2016-12-14 | 2016-12-14 | Battery separator with embedded ribs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106450114A true CN106450114A (en) | 2017-02-22 |
Family
ID=58217047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611150412.9A Pending CN106450114A (en) | 2016-12-14 | 2016-12-14 | Battery separator with embedded ribs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106450114A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007134109A (en) * | 2005-11-09 | 2007-05-31 | Matsushita Electric Ind Co Ltd | Lead-acid storage battery |
| US20080076028A1 (en) * | 2006-09-27 | 2008-03-27 | Eric Henri Miller | A battery separator for extending the cycle life of a battery |
| CN201490262U (en) * | 2009-05-08 | 2010-05-26 | 保定风帆美新蓄电池隔板制造有限公司 | Ultrahigh molecular weight polyethylene partition board for motorcycle lead-acid storage batteries |
| US20130244119A1 (en) * | 2012-03-16 | 2013-09-19 | Li-Tec Battery Gmbh | Graphene-containing separator for lithium ion batteries |
| CN204885260U (en) * | 2015-07-03 | 2015-12-16 | 陶器 | Battery separator with discontinuous rib of " eight " style of calligraphy |
| CN206293519U (en) * | 2016-12-14 | 2017-06-30 | 镇江泰舸电池隔膜科技有限公司 | A kind of battery separator with inserted rib |
-
2016
- 2016-12-14 CN CN201611150412.9A patent/CN106450114A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007134109A (en) * | 2005-11-09 | 2007-05-31 | Matsushita Electric Ind Co Ltd | Lead-acid storage battery |
| US20080076028A1 (en) * | 2006-09-27 | 2008-03-27 | Eric Henri Miller | A battery separator for extending the cycle life of a battery |
| CN201490262U (en) * | 2009-05-08 | 2010-05-26 | 保定风帆美新蓄电池隔板制造有限公司 | Ultrahigh molecular weight polyethylene partition board for motorcycle lead-acid storage batteries |
| US20130244119A1 (en) * | 2012-03-16 | 2013-09-19 | Li-Tec Battery Gmbh | Graphene-containing separator for lithium ion batteries |
| CN204885260U (en) * | 2015-07-03 | 2015-12-16 | 陶器 | Battery separator with discontinuous rib of " eight " style of calligraphy |
| CN206293519U (en) * | 2016-12-14 | 2017-06-30 | 镇江泰舸电池隔膜科技有限公司 | A kind of battery separator with inserted rib |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |
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| RJ01 | Rejection of invention patent application after publication |