CN208336351U - A kind of new automobile lithium battery diaphragm - Google Patents
A kind of new automobile lithium battery diaphragm Download PDFInfo
- Publication number
- CN208336351U CN208336351U CN201820764278.XU CN201820764278U CN208336351U CN 208336351 U CN208336351 U CN 208336351U CN 201820764278 U CN201820764278 U CN 201820764278U CN 208336351 U CN208336351 U CN 208336351U
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- CN
- China
- Prior art keywords
- adhesively fixed
- seat
- micropore
- lithium battery
- diaphragm
- 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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- 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 kind of new automobile lithium battery diaphragms, including septum body, the both ends of the septum body are provided with the seat that is adhesively fixed, the side of the seat that is adhesively fixed is opened up there are two fixing groove, the inside of the fixing groove is filled with adhesive pad, the utility model is provided with lyophily film, ceramic membrane, perforated membrane, be adhesively fixed seat, fixing groove and adhesive pad, when being bonded diaphragm, ceramic membrane is adhered to the two sides of perforated membrane first, ceramic membrane has preferable insulating properties, the isolation performance of diaphragm can preferably be increased, then lyophily film is adhered to side of the ceramic membrane far from perforated membrane, so as to improve the lyophily and ability of diaphragm, convenient for preferably realizing that diaphragm hangs liquid, and it completes multimembrane multilayer and fixes, after film layer completes bonding, the ceramic membrane of perforated membrane two sides is respectively aligned to be adhesively fixed two fixing grooves of side, and lead to It crosses bonding agent and is adhered to film layer end face and be adhesively fixed on seat.
Description
Technical field
The utility model belongs to lithium battery diaphragm technical field, and in particular to a kind of new automobile lithium battery diaphragm.
Background technique
Lithium battery diaphragm is one of interior layer assembly crucial in the structure of lithium battery, and the performance of diaphragm determines the boundary of battery
Face structure, internal resistance etc. directly affect the characteristics such as capacity, circulation and the security performance of battery, and the diaphragm haveing excellent performance is to raising
The comprehensive performance of battery plays an important role, and the main function of diaphragm is to separate the positive and negative electrode of battery, prevents the two poles of the earth
Contact and it is short-circuit, additionally have the function of electrolyte ion capable of being made to pass through.
But it is bonded unstable between each film layer of the existing new automobile lithium battery diaphragm in market, it is easy to appear layering
The phenomenon that removing, and existing lithium battery diaphragm is not easy to install.
Utility model content
The purpose of this utility model is to provide a kind of new automobile lithium battery diaphragms, to solve existing each film layer bonding
It is unstable and be not easy to installation the problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of new automobile lithium battery diaphragm, including
Septum body, the both ends of the septum body are provided with the seat that is adhesively fixed, there are two the side of the seat that is adhesively fixed opens up
The inside of fixing groove, the fixing groove is filled with adhesive pad.
Preferably, the septum body is made of lyophily film, ceramic membrane and perforated membrane, the ceramic membrane be located at lyophily film and
Between perforated membrane, and ceramic membrane and lyophily film are respectively provided with there are two layer, and the perforated membrane is between two-layer ceramic film.
Preferably, the inside of the perforated membrane offers the first micropore and the second micropore, and first micropore is located at second
The side of micropore, and the first micropore and the second micropore are funnel-shaped structure, the diameter of first micropore and the second micropore compared with
Small one end is mutually butted.
Preferably, the seat that is adhesively fixed is connected with installation magnetic support far from the side of septum body, and the installation magnetic support is remote
Side insertion from the seat that is adhesively fixed is equipped with absorption magnetic sheet.
Preferably, tooth socket side is offered on the two sides outer wall of the septum body.
Preferably, the seat that is adhesively fixed offers sliding slot adjacent to the two sides of fixing groove, and the installation magnetic support is separate
The side of absorption magnetic sheet offers card slot, and sliding block is welded on the two sides inner wall inside the card slot, and the sliding block, which is located at, to be slided
The inside of slot.
The utility model compared with prior art, has the advantages that
(1) the utility model is provided with lyophily film, ceramic membrane, perforated membrane, the seat that is adhesively fixed, fixing groove and adhesive pad, glues
When connecing diaphragm, ceramic membrane is adhered to the two sides of perforated membrane first, ceramic membrane has preferable insulating properties, can preferably increase every
Then lyophily film is adhered to side of the ceramic membrane far from perforated membrane by the isolation performance of film, so as to improve the lyophily and energy of diaphragm
Power convenient for preferably realizing that diaphragm hangs liquid, and is completed multimembrane multilayer and is fixed, after film layer completes bonding, by the pottery of perforated membrane two sides
Porcelain film is respectively aligned to be adhesively fixed two fixing grooves of side, and film layer end face is adhered to the seat that is adhesively fixed by bonding agent
On, and the inside of fixing groove is filled with adhesive pad, the fixed stability of ceramic membrane is effectively ensured, by keeping the steady of ceramic membrane
Gu avoiding the occurrence of delamination to guarantee the stabilization of perforated membrane, the service life of diaphragm is improved.
(2) the utility model is provided with absorption magnetic sheet, installation magnetic support, card slot, sliding block and sliding slot, when installing diaphragm, first
The seat that will be adhesively fixed is laterally inserted into card slot far from the side of fixing groove, and guarantees that sliding block is located at the inside of sliding slot, is then pushed away
The dynamic seat that is adhesively fixed, until the seat that is adhesively fixed is caught in inside card slot completely, the small width in card slot of the width for the seat that is adhesively fixed,
And be adhesively fixed there is between table wall and card slot inner wall larger friction, the seat landing that is adhesively fixed is avoided, and it is separate to install magnetic support
The be adhesively fixed side of seat is equipped with absorption magnetic sheet, can be adsorbed in lithium battery by absorption magnetic sheet by magnetic support is installed, whole to tie
Structure mounting means is simple, convenient for the installation and removal of diaphragm.
Detailed description of the invention
Fig. 1 is the front view of the utility model;
Fig. 2 is enlarged drawing at the A of the utility model;
Fig. 3 is enlarged drawing at the B of the utility model.
In figure: 1- adsorbs magnetic sheet, 2- installation magnetic support, 3- tooth socket side, 4- septum body, 5- lyophily film, 6- ceramic membrane, 7- the
One micropore, 8- perforated membrane, 9- be adhesively fixed seat, the second micropore of 10-, 11- card slot, 12- sliding block, 13- sliding slot, 14- fixing groove,
15- adhesive pad.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides the following technical solutions: a kind of new automobile lithium battery diaphragm, including every
Membrane body 4, the both ends of septum body 4 are provided with the seat 9 that is adhesively fixed, and the side for the seat 9 that is adhesively fixed is opened up there are two fixing groove
14, the inside of fixing groove 14 is filled with adhesive pad 15 and is respectively aligned to the ceramic membrane 6 of 8 two sides of perforated membrane after film layer completes bonding
Be adhesively fixed two fixing grooves 14 of 9 side of seat, and is adhered to film layer end face by bonding agent and is adhesively fixed on seat 9, and solid
The inside of slot 14 is determined filled with adhesive pad 15, and the fixed stability of ceramic membrane 6 is effectively ensured, by keeping the firm of ceramic membrane 6,
To guarantee the stabilization of perforated membrane 8, delamination is avoided the occurrence of, the service life of diaphragm is improved.
In the utility model, it is preferred that septum body 4 is made of lyophily film 5, ceramic membrane 6 and perforated membrane 8, and ceramic membrane 6
Between lyophily film 5 and perforated membrane 8, and ceramic membrane 6 and lyophily film 5 are respectively provided with there are two layer, and perforated membrane 8 is located at two-layer ceramic film
Between 6, when being bonded diaphragm, ceramic membrane 6 is adhered to the two sides of perforated membrane 8 first, ceramic membrane 6 has preferable insulating properties, energy
The isolation performance for preferably increasing diaphragm, is then adhered to side of the ceramic membrane 6 far from perforated membrane 8 for lyophily film 5, so as to improve
The lyophily and ability of diaphragm, convenient for preferably realizing that diaphragm hangs liquid.
In the utility model, it is preferred that the inside of perforated membrane 8 offers the first micropore 7 and the second micropore 10, the first micropore
7 are located at the side of the second micropore 10, and the first micropore 7 and the second micropore 10 are funnel-shaped structure, and the first micropore 7 and second is micro-
The lesser one end of the diameter in hole 10 is mutually butted, and realizes that the extension liquid of perforated membrane 8 acts on by the first micropore 7 and the second micropore 10,
Simultaneously for realizing the conducting of ion.
In the utility model, it is preferred that the seat 9 that is adhesively fixed is connected with installation magnetic support 2, peace far from the side of septum body 4
Dress magnetic support 2 is equipped with absorption magnetic sheet 1 far from the side insertion for the seat 9 that is adhesively fixed, and absorption magnetic sheet 1 is adsorbed for that will install magnetic support 2
In in lithium battery, in order to the disassembly of diaphragm.
In the utility model, it is preferred that offer tooth socket side 3 on the two sides outer wall of septum body 4, tooth socket side 3 can increase
The surface area of macromesenterium ontology 4 improves the contact area with electrolyte, to improve the extension fluidity energy of diaphragm.
In the utility model, it is preferred that the seat 9 that is adhesively fixed offers sliding slot 13 adjacent to the two sides of fixing groove 14, peace
Dress magnetic support 2 offers card slot 11 far from the side of absorption magnetic sheet 1, is welded with sliding block 12 on the two sides inner wall inside card slot 11,
Sliding block 12 is located at the inside of sliding slot 13, and when installing diaphragm, the seat 9 that will be adhesively fixed first is inserted far from the side of fixing groove 14 from side
Enter in card slot 11, and guarantee that sliding block 12 is located at the inside of sliding slot 13, then push the seat 9 that is adhesively fixed, until the seat 9 that is adhesively fixed is complete
It is caught in inside card slot 11 entirely, the small width in card slot 11 of the width for the seat 9 that is adhesively fixed, and be adhesively fixed 9 table wall of seat and card slot
There is larger friction between 11 inner walls, avoid the landing of seat 9 that is adhesively fixed.
The working principle and process for using of the utility model: when bonding diaphragm, ceramic membrane 6 is adhered to perforated membrane 8 first
Two sides, ceramic membrane 6 have preferable insulating properties, can preferably increase the isolation performance of diaphragm, then be adhered to lyophily film 5
Side of the ceramic membrane 6 far from perforated membrane 8, so as to improve the lyophily and ability of diaphragm, convenient for preferably realizing that diaphragm hangs liquid, film layer
After completing bonding, the ceramic membrane 6 of 8 two sides of perforated membrane is respectively aligned to be adhesively fixed two fixing grooves 14 of 9 side of seat, and passes through
Film layer end face is adhered to and is adhesively fixed on seat 9 by bonding agent, and the inside of fixing groove 14 is filled with adhesive pad 15, and pottery is effectively ensured
The fixed stability of porcelain film 6, to guarantee the stabilization of perforated membrane 8, avoids the occurrence of layering stripping by keeping the firm of ceramic membrane 6
From, improve the service life of diaphragm, complete the installation that can carry out diaphragm after bonding process, when diaphragm is installed, first will bonding it is solid
Reservation 9 is laterally inserted into card slot 11 far from the side of fixing groove 14, and guarantees that sliding block 12 is located at the inside of sliding slot 13, is then pushed away
The dynamic seat 9 that is adhesively fixed, until the seat 9 that is adhesively fixed is caught in completely inside card slot 11, the width for the seat 9 that is adhesively fixed is small in card slot 11
Width, and be adhesively fixed between 9 table wall of seat and 11 inner wall of card slot there is larger friction, avoid being adhesively fixed the landing of seat 9, and pacifies
Dress magnetic support 2 is equipped with absorption magnetic sheet 1 far from the side for the seat 9 that is adhesively fixed, and can be adsorbed in by absorption magnetic sheet 1 by magnetic support 2 is installed
In lithium battery, in order to the installation and removal of diaphragm.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of new automobile lithium battery diaphragm, including septum body (4), it is characterised in that: the both ends of the septum body (4)
It is provided with the seat that is adhesively fixed (9), the side of the seat that is adhesively fixed (9) is opened up there are two fixing groove (14), the fixing groove
(14) inside is filled with adhesive pad (15).
2. a kind of new automobile lithium battery diaphragm according to claim 1, it is characterised in that: the septum body (4) by
Lyophily film (5), ceramic membrane (6) and perforated membrane (8) composition, the ceramic membrane (6) are located between lyophily film (5) and perforated membrane (8),
And ceramic membrane (6) and lyophily film (5) are respectively provided with there are two layer, the perforated membrane (8) is located between two-layer ceramic film (6).
3. a kind of new automobile lithium battery diaphragm according to claim 2, it is characterised in that: the perforated membrane (8) it is interior
Portion offers the first micropore (7) and the second micropore (10), and first micropore (7) is located at the side of the second micropore (10), and
One micropore (7) and the second micropore (10) are funnel-shaped structure, and the diameter of first micropore (7) and the second micropore (10) is smaller
One end be mutually butted.
4. according to benefit require 1 described in a kind of new automobile lithium battery diaphragm, it is characterised in that: the seat that is adhesively fixed (9) is remote
Side from septum body (4) is connected with installation magnetic support (2), and the side of installation magnetic support (2) far from the seat (9) that is adhesively fixed is embedding
Enter to be equipped with absorption magnetic sheet (1).
5. a kind of new automobile lithium battery diaphragm according to claim 4, it is characterised in that: the septum body (4)
Tooth socket side (3) are offered on the outer wall of two sides.
6. a kind of new automobile lithium battery diaphragm according to claim 4, it is characterised in that: the seat that is adhesively fixed (9)
It is offered sliding slot (13) adjacent to the two sides of fixing groove (14), installation magnetic support (2) is opened far from the side of absorption magnetic sheet (1)
It equipped with card slot (11), is welded with sliding block (12) on the internal two sides inner wall of the card slot (11), the sliding block (12), which is located at, to be slided
The inside of slot (13).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820764278.XU CN208336351U (en) | 2018-05-22 | 2018-05-22 | A kind of new automobile lithium battery diaphragm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820764278.XU CN208336351U (en) | 2018-05-22 | 2018-05-22 | A kind of new automobile lithium battery diaphragm |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208336351U true CN208336351U (en) | 2019-01-04 |
Family
ID=64774724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820764278.XU Expired - Fee Related CN208336351U (en) | 2018-05-22 | 2018-05-22 | A kind of new automobile lithium battery diaphragm |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208336351U (en) |
-
2018
- 2018-05-22 CN CN201820764278.XU patent/CN208336351U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20190522 |
|
CF01 | Termination of patent right due to non-payment of annual fee |