CN206098520U - Safe fire prevention lamination battery structure - Google Patents
Safe fire prevention lamination battery structure Download PDFInfo
- Publication number
- CN206098520U CN206098520U CN201621059198.1U CN201621059198U CN206098520U CN 206098520 U CN206098520 U CN 206098520U CN 201621059198 U CN201621059198 U CN 201621059198U CN 206098520 U CN206098520 U CN 206098520U
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- China
- Prior art keywords
- pole piece
- fire
- layer
- fire extinguishing
- partition
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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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- Primary Cells (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a safe fire prevention lamination battery structure, including a plurality of pole piece of distribution on cell ontology and utmost point ear, be provided with the spacer that to save electrolyte between the pole piece, the side of pole piece is provided with the layer of putting out a fire of inclining, the tip of pole piece is provided with the tip layer of putting out a fire, the side is put out a fire layer, tip and is put out a fire the in situ and put the fire extinguishing agent, this battery structure especially through the design of spacer, can prevent the middle high temperature that produces of pole piece lamination through reasonable construction improvement, melts the pole piece diaphragm, prevents that the big multiplying power charge -discharge of electric core from producing high temperature and leading to the short circuit of electric in -core portion, electric core catching fire accident.
Description
Technical field
This utility model is related to cell art, particularly a kind of fire safety laminated batteries structure.
Background technology
Lamination battery is extensively applied on electrokinetic cell and high-multiplying-power battery.When lamination battery core pole piece is in big electricity
Under the conditions of stream discharge and recharge, battery core pole piece is also easy to produce amount of heat, and temperature rises, especially when pole piece has bulky grain, meeting
Localized hyperthermia is produced, be melt through membrane for polymer, cause the short circuit of battery core pole piece, battery core catching fire.
The content of the invention
In order to overcome the deficiencies in the prior art, this utility model to provide a kind of fire safety laminated batteries structure.
This utility model solves the technical scheme that its technical problem adopted：
A kind of fire safety laminated batteries structure, it is described including several pole pieces and lug for being distributed on battery body
Being provided between pole piece can store the partition of electrolyte, and the side of the pole piece is provided with side fire extinguishing layer, the end of the pole piece
Portion is provided with end fire extinguishing layer, and the side fire extinguishing layer, end fire extinguishing layer are built-in with extinguishing chemical.
As a preference, partition hole is distributed with the partition.
Used as a preference, the side fire extinguishing layer, end fire extinguishing layer include being put out a fire made by low melting point polymer material
Outer layer and the organic solvent extinguishing chemical being filled in fire extinguishing outer layer.
Used as a preference, the pole piece is the laminated structure of multiple-layer stacked arrangement.
Used as a preference, if the partition is evenly distributed in the middle of dried layer pole piece, the thickness of the partition is 0.05
～2mm.
The beneficial effects of the utility model are：The battery structure passes through rational structural improvement, especially by partition
Design, can prevent from producing high temperature in the middle of pole piece laminating, melt pole piece barrier film, prevent battery core high rate charge-discharge from producing high temperature and lead
Send a telegraph core inner short circuit, battery core catching fire accident is put out a fire layer in addition by being arranged on pole piece upside fire extinguishing layer, end, can be with
Melt when battery core produces high temperature, inside filling extinguishing chemical is covered in pole piece, prevents battery core burning, is further ensured that battery core is used
Safety.
Description of the drawings
This utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is front view of the present utility model；
Fig. 2 is the left view of another embodiment in this utility model；
Fig. 3 is the partial enlarged drawing of Fig. 1；
Fig. 4 is the structural representation of diaphragm section in this utility model.
Specific embodiment
In order that the purpose of the application, technical scheme and advantage become more apparent, it is right below in conjunction with drawings and Examples
This utility model is further elaborated.For the thorough explanation present invention, some can be related in following description special
Determine details.And when without these specific details, of the invention then may still be capable of achieving, i.e., the technical staff in art uses
Herein these description and state to the others skilled in the art in art effectively introduce they work essence.This external demand
It is noted that below word " front side ", " rear side ", " left side ", " right side ", " upside ", " downside " used in description etc. refers to
Be direction in accompanying drawing, word " interior " and " outward " refer respectively to the direction towards or away from particular elements geometric center, phase
Pass technical staff should not be construed as beyond the application protection domain in simple to above-mentioned direction work, need not be creative adjustment
Technology.It should be appreciated that specific embodiment described herein is not used to limit real protection model only to explain the application
Enclose.And it is the purpose of the present invention of avoiding confusion, because the technology of well known manufacture method, circuit layout etc. has been easy to reason
Solve, therefore they are not described in detail.With reference to Fig. 1, Fig. 3, a kind of fire safety laminated batteries structure, including being distributed in battery
Several pole pieces 1 and lug 2 on body, being provided between the pole piece 1 can store the partition 3 of electrolyte, it is ensured that pole piece
Between it is conductive avoid simultaneously, high temperature melting barrier film is produced between multilamellar pole piece 1 causes battery core internal short-circuit catching fire.The pole piece 1
Side be provided with side fire extinguishing layer 4, the end of the pole piece 1 is provided with end fire extinguishing layer 5, side fire extinguishing layer 4, the end fire extinguishing
Layer 5 is built-in with extinguishing chemical.
Reference Fig. 1, Fig. 3, Fig. 4 of further embodiment, a kind of fire safety laminated batteries structure, wherein referred to herein
" embodiment " refers to special characteristic, structure or the characteristic that may be included in the implementation of the application at least one.In this specification
" in the embodiment " that middle different places occur not refers both to same embodiment, nor individually or selectively with other realities
Apply the mutually exclusive embodiment of example.Embodiment includes several pole pieces 1 and the lug 2 being distributed on battery body, wherein this reality
Apply example and concentrate on one end of battery body for unidirectional Double-pole lug pole piece laminating core strueture, i.e. lug 2.Set between the pole piece 1
Being equipped with can store the partition 3 of electrolyte, and the partition 3 of the present embodiment adopts insulating heat-conductive heat-resistant polymer layer, can be with resistance to height
More than 300 DEG C of temperature.The side of the pole piece 1 is provided with side fire extinguishing layer 4, and the end of the pole piece 1 is provided with end fire extinguishing layer 5,
Side fire extinguishing layer 4, the end fire extinguishing layer 5 is built-in with extinguishing chemical, and partition hole 6 is distributed with the partition 3, and partition hole 6 can make pole
Electrolyte can be stored between piece 1, it is ensured that conductive between pole piece 1.The pole piece 1 is the laminated structure of multiple-layer stacked arrangement.It is described every
If piece 3 is evenly distributed in the middle of dried layer pole piece 1, the thickness of the partition 3 is 0.05～2mm.
Reference Fig. 2 of further embodiment, a kind of fire safety laminated batteries structure, including being distributed on battery body
Several pole pieces 1 and lug 2, wherein the present embodiment go out full lug pole piece laminating core strueture, i.e. lug 2 and are distributed in electricity for two
The two ends of pond body, the wherein width of lug 2 are identical with the width of pole piece 1, it is ensured that laminated batteries high power charging-discharging, reduce pole
The temperature of ear 2, improves battery core safety.Being provided between the pole piece 1 can store the partition 3 of electrolyte, the side of the pole piece 1
Side fire extinguishing layer 4 is provided with, the end of the pole piece 1 is provided with end fire extinguishing layer 5, in side fire extinguishing layer 4, the end fire extinguishing layer 5
Extinguishing chemical is equipped with, side fire extinguishing layer 4, the end fire extinguishing layer 5 includes put out a fire made by low melting point polymer material outer layer and filling
Organic solvent extinguishing chemical in fire extinguishing outer layer.Wherein putting out a fire outer layer can be using 150 DEG C of insulation high polymer materials of fusing point, You Jirong
Agent extinguishing chemical can be carbon tetrachloride, and when battery core internal temperature is higher than 150 DEG C, fire extinguishing layer 4, end fire extinguishing layer 5 in side goes out
Fiery outer layer fusing rupture, the organic solvent extinguishing chemical in outer layer of putting out a fire is covered in rapidly battery core pole piece, prevents battery core on fire
Burning, plays a part of to prevent and reduce cells burst explosion danger, greatly improves safety.
According to above-mentioned principle, this utility model can also carry out appropriate change and modification to above-mentioned embodiment.Therefore,
This utility model is not limited to specific embodiment disclosed and described above, to some modifications and changes of the present utility model
Should also be as falling in scope of the claims of the present utility model.
Claims (5)
1. a kind of fire safety laminated batteries structure, including several pole pieces being distributed on battery body（1）And lug（2）,
It is characterized in that：The pole piece（1）Between be provided with the partition that can store electrolyte（3）, the pole piece（1）Side arrange
There is side fire extinguishing layer（4）, the pole piece（1）End be provided with end fire extinguishing layer（5）, the side fire extinguishing layer（4）, end fire extinguishing layer
（5）It is built-in with extinguishing chemical.
2. a kind of fire safety laminated batteries structure according to claim 1, it is characterised in that：The partition（3）Upper point
It is furnished with partition hole（6）.
3. a kind of fire safety laminated batteries structure according to claim 1, it is characterised in that：The side fire extinguishing layer（4）、
End fire extinguishing layer（5）Including putting out a fire made by low melting point polymer material, outer layer and the organic solvent being filled in fire extinguishing outer layer go out
Fiery agent.
4. a kind of fire safety laminated batteries structure according to claim 1 and 2, it is characterised in that：The pole piece（1）For
The laminated structure of multiple-layer stacked arrangement.
5. a kind of fire safety laminated batteries structure according to claim 4, it is characterised in that：The partition（3）Uniformly
If being distributed in dried layer pole piece（1）Centre, the partition（3）Thickness be 0.05～2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621059198.1U CN206098520U (en) | 2016-09-18 | 2016-09-18 | Safe fire prevention lamination battery structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621059198.1U CN206098520U (en) | 2016-09-18 | 2016-09-18 | Safe fire prevention lamination battery structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206098520U true CN206098520U (en) | 2017-04-12 |
Family
ID=58476770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621059198.1U Active CN206098520U (en) | 2016-09-18 | 2016-09-18 | Safe fire prevention lamination battery structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206098520U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109585724A (en) * | 2017-09-29 | 2019-04-05 | 郑州宇通客车股份有限公司 | Vehicle and its battery case, battery modules, battery, cell support core |
| CN111786011A (en) * | 2020-07-31 | 2020-10-16 | 蜂巢能源科技有限公司 | Lithium ion battery and preparation method and application thereof |
-
2016
- 2016-09-18 CN CN201621059198.1U patent/CN206098520U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109585724A (en) * | 2017-09-29 | 2019-04-05 | 郑州宇通客车股份有限公司 | Vehicle and its battery case, battery modules, battery, cell support core |
| CN111786011A (en) * | 2020-07-31 | 2020-10-16 | 蜂巢能源科技有限公司 | Lithium ion battery and preparation method and application thereof |
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| GR01 | Patent grant |