CN207765519U - A kind of lithium ion battery diaphragm - Google Patents
A kind of lithium ion battery diaphragm Download PDFInfo
- Publication number
- CN207765519U CN207765519U CN201820166840.9U CN201820166840U CN207765519U CN 207765519 U CN207765519 U CN 207765519U CN 201820166840 U CN201820166840 U CN 201820166840U CN 207765519 U CN207765519 U CN 207765519U
- Authority
- CN
- China
- Prior art keywords
- lithium
- ion battery
- lithium ion
- battery diaphragm
- 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.)
- Expired - Fee Related
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Classifications
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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 lithium ion battery diaphragms, including lithium electronic body shell, the upper surface of the lithium electronic body shell, which is fixedly connected by welding, lithium electronic metal cap, the inside of the lithium electronic body shell is enclosed with lithium electronics electrolyte, the outer surface of the lithium electronics electrolyte is wound with lithium electronics anode pole piece, the outer surface of the lithium electronics anode pole piece is wound with lithium ion battery diaphragm, being fixedly connected by welding on the inside of the lithium ion battery diaphragm has diaphragm rubber raised, the lateral ends of the lithium ion battery diaphragm glutinous be fixedly connected with battery diaphragm and lift sheet by the way that viscous glutinous agent is viscous, the side that the battery diaphragm lifts sheet is provided with diaphragm banding rubber strip；It is mounted on the battery diaphragm of lithium ion battery diaphragm one end by devising and lifts sheet convenient for tearing lithium ion battery diaphragm, existing lithium ion battery diaphragm is solved since its own is more frivolous, so that the problem of it is not easy to tear it from paper web when mounted.
Description
Technical field
The utility model belongs to technical field of lithium batteries, and in particular to a kind of lithium ion battery diaphragm.
Background technology
It by lithium metal or lithium alloy is negative material, using the battery of non-aqueous electrolytic solution that " lithium battery ", which is a kind of,.
Lithium metal battery in 1912 is proposed and is studied by Gilbert N. Lewis earliest.When the 1970s, M. S.
Whittingham is proposed and the lithium ion battery that begins one's study.Since the chemical characteristic of lithium metal is very active so that lithium metal
Processing is preserved, is used, very high to environmental requirement.So lithium battery is not applied for a long time.With the hair of science and technology
Exhibition, present lithium battery have become mainstream.Lithium battery is broadly divided into two classes：Lithium metal battery and lithium ion battery.Lithium from
Sub- battery does not contain the lithium of metallic state, and can charge.5th generation product lithium metal battery of rechargeable battery exists
It is born within 1996, safety, specific capacity, self-discharge rate and the ratio of performance to price are superior to lithium ion battery.Due to its own
High-tech requires limitation, and only the company of a few countries is producing this lithium metal battery now.Lithium battery earliest period is answered
In pacemaker.The advantages that self-discharge rate of lithium battery is extremely low, and discharge voltage is gentle so that be implanted into the pacemaker of human body
Can long-term operation and without recharging.Lithium battery generally has the nominal voltage higher than 3.0 volts, is more suitable for making integrated circuit electricity
Source.Manganese dioxide battery, is just widely used in calculator, in digital camera, wrist-watch.In order to develop the superior kind of performance,
People study a variety of materials, to produce unprecedented product.Sony successfully develops lithium-ion electric within 1992
Pond.Its functionization makes the weight and volume of the handheld electronic apparatus such as the mobile phone, notebook, calculator of people significantly
Reduce.
Existing lithium ion battery diaphragm is since its own is more frivolous, so that being not easy to tear it from paper web
Under, and if existing lithium ion battery diaphragm encounter the problem of battery expanded by heating may result in membrane ruptures when in use, be
This is it is proposed that a kind of lithium ion battery diaphragm.
Utility model content
The purpose of this utility model is to provide a kind of lithium ion battery diaphragms, existing to solve to propose in above-mentioned background technology
Some lithium ion battery diaphragms are since its own is more frivolous, so that be not easy to tear it from paper web, and it is existing
If lithium ion battery diaphragm encounters the problem of battery expanded by heating may result in membrane ruptures when in use.
To achieve the above object, the utility model provides the following technical solutions：A kind of lithium ion battery diaphragm, including lithium electricity
Handset body case, the upper surface of the lithium electronic body shell, which is fixedly connected by welding, lithium electronic metal cap, the lithium electricity
The inside of handset body case is enclosed with lithium electronics electrolyte, and the outer surface of the lithium electronics electrolyte is wound with lithium electronics anode pole
The outer surface of piece, the lithium electronics anode pole piece is wound with lithium ion battery diaphragm, and the inside of the lithium ion battery diaphragm is logical
It crosses to be welded and fixed and is connected with diaphragm rubber protrusion, the lateral ends of the lithium ion battery diaphragm are glued by viscous glutinous agent cemented to be connected surely
It is connected to battery diaphragm and lifts sheet, the side that the battery diaphragm lifts sheet is provided with diaphragm banding rubber strip, and diaphragm banding rubber
Adhesive tape is fixedly connected with lithium ion battery diaphragm by viscous viscous stick of glutinous agent, and the outer surface of the lithium ion battery diaphragm is wound with lithium
Electronics cathode pole piece.
Preferably, the battery diaphragm lifts width of the length equal to lithium ion battery diaphragm of sheet, and battery diaphragm lifts
The viscous glutinous agent of half is provided on the inside of sheet.
Preferably, the section shape of the diaphragm rubber protrusion is semicircle.
Preferably, the length of the diaphragm banding rubber strip is equal to the length of lithium ion battery diaphragm.
Preferably, the width of the lithium ion battery diaphragm is equal to the octuple of diaphragm banding rubber bandwidth.
Preferably, the surface area of the lithium electronics cathode pole piece, lithium ion battery diaphragm and lithium electronics anode pole piece is homogeneous
Deng.
Preferably, a diameter of one millimeter of the diaphragm rubber protrusion.
Compared with prior art, the utility model has the beneficial effects that：
(1) it is mounted on the battery diaphragm of lithium ion battery diaphragm one end by devising and lifts sheet convenient for tearing lithium electronics electricity
Pond diaphragm solves existing lithium ion battery diaphragm since its own is more frivolous, so that it is not easy to when mounted
The problem of it is torn from paper web.
(2) the diaphragm banding rubber strip of lithium ion battery diaphragm side is mounted on convenient for banding lithium electronics electricity by devising
Pond diaphragm may result in membrane ruptures if solving existing lithium ion battery diaphragm and encountering battery expanded by heating when in use
Problem.
(3) the diaphragm rubber protrusion of the lithium ion battery diaphragm other side is mounted on convenient for separating lithium electronics electricity by devising
Pond diaphragm and lithium electronics anode pole piece solve existing lithium ion battery diaphragm and are closely affixed with positive and negative anodes, to reduce
Its thermal diffusivity.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the lithium ion battery membrane portions structural schematic diagram of the utility model；
In figure：1- lithium electronics electrolyte, 2- lithium electronic metals cap, 3- lithium electronic bodies shell, 4- lithium ion batteries diaphragm,
5- lithium electronics cathode pole piece, 6- battery diaphragms lift sheet, 7- lithium electronics anode pole piece, 8- diaphragm rubbers protrusion, 9- diaphragm bandings
Rubber strip.
Specific implementation mode
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
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It please refers to Fig.1 and Fig. 2, the utility model provides a kind of technical solution：A kind of lithium ion battery diaphragm, including lithium electricity
Handset body case 3, the upper surface of lithium electronic body shell 3, which is fixedly connected by welding, lithium electronic metal cap 2, lithium electronic body
The inside of shell 3 is enclosed with lithium electronics electrolyte 1, and the outer surface of lithium electronics electrolyte 1 is wound with lithium electronics anode pole piece 7, lithium
The outer surface of electronics anode pole piece 7 is wound with lithium ion battery diaphragm 4, and the inside of lithium ion battery diaphragm 4 is by being welded and fixed
It is connected with diaphragm rubber protrusion 8, the lateral ends of lithium ion battery diaphragm 4 are fixedly connected with battery diaphragm by viscous viscous stick of glutinous agent
Sheet 6 is lifted, the side that battery diaphragm lifts sheet 6 is provided with diaphragm banding rubber strip 9, and diaphragm banding rubber strip 9 and lithium electronics
Battery diaphragm 4 is fixedly connected by viscous viscous stick of glutinous agent, and the outer surface of lithium ion battery diaphragm 4 is wound with lithium electronics cathode pole piece 5.
For the ease of tearing lithium ion battery diaphragm 4, in the present embodiment, it is preferred that battery diaphragm lifts the length etc. of sheet 6
In the width of lithium ion battery diaphragm 4, and battery diaphragm lifts the inside of sheet 6 and is provided with the viscous glutinous agent of half.
For the ease of isolation lithium ion battery diaphragm 4 and lithium electronics anode pole piece 7, in the present embodiment, it is preferred that diaphragm rubber
The section shape of glue protrusion 8 is semicircle.
For the ease of banding lithium ion battery diaphragm 4, in the present embodiment, it is preferred that the length etc. of diaphragm banding rubber strip 9
In the length of lithium ion battery diaphragm 4.
For the ease of making electrolyte ion pass through, in the present embodiment, it is preferred that the width of lithium ion battery diaphragm 4 is equal to
Eight times of 9 width of diaphragm banding rubber strip.
For the ease of battery normal use, in the present embodiment, it is preferred that lithium electronics cathode pole piece 5, lithium ion battery diaphragm
4 and the surface area of lithium electronics anode pole piece 7 be equal.
For the ease of separating lithium ion battery diaphragm 4 and lithium electronics anode pole piece 7, in the present embodiment, it is preferred that diaphragm rubber
A diameter of one millimeter of glue protrusion 8.
The operation principle and process for using of the utility model：The device is after installation is complete, need by lithium ion battery every
Film 4 tear from paper web installation when, since battery diaphragm lifts the presence of sheet 6, so that worker simply searches out very much
The fracture of lithium ion battery diaphragm 4, due to the presence of diaphragm banding rubber strip 9, in lithium battery expanded by heating, diaphragm banding rubber
Adhesive tape 9 gives the hoop power of lithium battery one end, is torn to reduce lithium ion battery diaphragm 4, and due to diaphragm rubber protrusion 8
Presence, there are certain gaps for lithium electronics anode pole piece 7 and lithium ion battery diaphragm 4, empty to give its certain heat dissipation
Between.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of lithium ion battery diaphragm, including lithium electronic body shell (3), it is characterised in that：The lithium electronic body shell
(3) upper surface, which is fixedly connected by welding, lithium electronic metal cap (2), the inside package of the lithium electronic body shell (3)
There are lithium electronics electrolyte (1), the outer surface of the lithium electronics electrolyte (1) to be wound with lithium electronics anode pole piece (7), the lithium electricity
The outer surface of sub- anode pole piece (7) is wound with lithium ion battery diaphragm (4), passes through on the inside of the lithium ion battery diaphragm (4)
It is welded and fixed and is connected with that diaphragm rubber is raised (8), the lateral ends of the lithium ion battery diaphragm (4) are glued cemented by viscous glutinous agent
Surely it being connected with battery diaphragm and lifts sheet (6), the side that the battery diaphragm lifts sheet (6) is provided with diaphragm banding rubber strip (9),
And diaphragm banding rubber strip (9) and lithium ion battery diaphragm (4) by viscous glutinous agent it is viscous it is glutinous be fixedly connected, the lithium ion battery every
The outer surface of film (4) is wound with lithium electronics cathode pole piece (5).
2. a kind of lithium ion battery diaphragm according to claim 1, it is characterised in that：The battery diaphragm lifts sheet (6)
Length be equal to the width of lithium ion battery diaphragm (4), and battery diaphragm lifts that half is provided on the inside of sheet (6) is viscous glutinous
Agent.
3. a kind of lithium ion battery diaphragm according to claim 1, it is characterised in that：The diaphragm rubber raised (8)
Section shape is semicircle.
4. a kind of lithium ion battery diaphragm according to claim 1, it is characterised in that：The diaphragm banding rubber strip (9)
Length be equal to lithium ion battery diaphragm (4) length.
5. a kind of lithium ion battery diaphragm according to claim 1, it is characterised in that：The lithium ion battery diaphragm (4)
Width be equal to the octuple of diaphragm banding rubber strip (9) width.
6. a kind of lithium ion battery diaphragm according to claim 1, it is characterised in that：The lithium electronics cathode pole piece (5),
The surface area of lithium ion battery diaphragm (4) and lithium electronics anode pole piece (7) is equal.
7. a kind of lithium ion battery diaphragm according to claim 1, it is characterised in that：The diaphragm rubber raised (8)
A diameter of one millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820166840.9U CN207765519U (en) | 2018-01-31 | 2018-01-31 | A kind of lithium ion battery diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820166840.9U CN207765519U (en) | 2018-01-31 | 2018-01-31 | A kind of lithium ion battery diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207765519U true CN207765519U (en) | 2018-08-24 |
Family
ID=63179783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820166840.9U Expired - Fee Related CN207765519U (en) | 2018-01-31 | 2018-01-31 | A kind of lithium ion battery diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207765519U (en) |
-
2018
- 2018-01-31 CN CN201820166840.9U patent/CN207765519U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180824 Termination date: 20200131 |