CN209087974U - A kind of battery insulating spacer with flame retarding function - Google Patents
A kind of battery insulating spacer with flame retarding function Download PDFInfo
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- CN209087974U CN209087974U CN201821343292.9U CN201821343292U CN209087974U CN 209087974 U CN209087974 U CN 209087974U CN 201821343292 U CN201821343292 U CN 201821343292U CN 209087974 U CN209087974 U CN 209087974U
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- flame
- battery
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- retardant layer
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a kind of battery insulating spacers with flame retarding function comprising an at least flame-retardant layer and the insulating layer being coated on outside each flame-retardant layer, wherein each flame-retardant layer is overlappingly arranged in the insulating layer.The utility model improves the safety of battery, and effective fire retardation can be played when internal temperature of battery steeply rises, battery is avoided and loses insulation protection.
Description
Technical field
The utility model relates to field of batteries, are in more detail related to a kind of battery insulating spacer with flame retarding function.
Background technique
Currently, lithium ion battery is in the power-supply system battery product that new energy dynamic field is most mainstream.It is a set of automobile-used dynamic
The lithium ion battery for including in power power-supply system at most can reach 8000, so on a large scale using to lithium-ion battery monomer
Security performance propose requirements at the higher level.Therefore, how to guarantee lithium ion battery situations such as being abnormal external short circuit, overcharging
When thermal runaway does not occur, and how to reduce single battery there is a situation where or thermal runaway will occur entire battery system is made
At adverse effect become key technology of the lithium ion battery in dynamic power system is applied in groups.
In the prior art, it will usually by modes such as BMS, PACK structure designs to the abuse of battery in external system
Carry out control and prevention.It in addition to this, equally also can be using the safe design for much preventing thermal runaway, example in lithium ion battery itself
Such as nut cap explosion-protection equipment, insulation spacer, high tempreture tape.
Wherein, insulation spacer in the prior art mostly uses resinous material.Although can be improved by resin material exhausted
The fusing point of edge gasket, but insulation spacer inside battery occur thermal runaway when still can melt, cause positive pole ear with
Insulation protection is lost between core, to generate the energy accumulating that internal short-circuit is further exacerbated by inside battery, eventually leads to battery
It explodes, causes damages to the safety of other batteries in system.
In conclusion this field needs the new battery insulating spacer of one kind to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of battery insulating spacers with flame retarding function, improve the peace of battery
Quan Xing can play effective fire retardation when internal temperature of battery steeply rises, avoid battery and lose insulation protection.
To achieve the goals above, the utility model provides a kind of battery insulating spacer with flame retarding function comprising:
An at least flame-retardant layer and the insulating layer being coated on outside each flame-retardant layer.
Preferably, each flame-retardant layer is overlappingly arranged in the insulating layer.
Preferred embodiment according to the present utility model, the material of the insulating layer are PET (polyethylene terephthalate
Ester), one of PP (polypropylene) or combination.
Preferably, the thickness of the insulating layer is between 0.3~0.5mm.
Preferred embodiment according to the present utility model, the material of the flame-retardant layer are Al (OH)3、Mg(OH)2、Sb2O3In
A kind of or combination.
Preferably, the thickness of the flame-retardant layer is between 0.1~0.2mm.
The above-mentioned and other purpose of the utility model, feature, advantage will in the following detailed description, attached drawing and
The attached claims further clarify.
Detailed description of the invention
Fig. 1 is the cross-sectional view of preferred embodiment according to the present utility model；
Fig. 2 is another cross-sectional view of preferred embodiment according to the present utility model；
Fig. 3 is the fire-retardant process schematic of preferred embodiment according to the present utility model；
Fig. 4 is another fire-retardant process schematic of preferred embodiment according to the present utility model；
In figure: insulating layer 10；Flame-retardant layer 20；Positive pole ear 30；Cathode pole piece 40.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to utility model, it should be noted that
Under the premise of not colliding, new reality can be formed between various embodiments described below or between each technical characteristic in any combination
Apply example.
It is described below for disclosing the utility model so that those skilled in the art can be realized the utility model.It retouches below
Preferred embodiment in stating is only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.It is retouched following
The basic principle of the utility model defined in stating can be applied to other embodiments, deformation scheme, improvement project, etc. Tongfangs
The other technologies scheme of case and the spirit and scope without departing from the utility model.
It will be understood by those skilled in the art that in the exposure of the utility model, term " longitudinal direction ", " transverse direction ", "upper",
The orientation or position of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
Above-mentioned term should not be understood as limiting the present invention.
It is understood that term " one " is interpreted as " at least one " or " one or more ", i.e., in one embodiment,
The quantity of one element can be one, and in a further embodiment, the quantity of the element can be it is multiple, term " one " is no
It can be interpreted as the limitation to quantity.
Referring to the Fig. 1 to Fig. 4 of attached drawing, the battery insulation with flame retarding function of preferred embodiment according to the present utility model
Gasket will be elucidated in following description, and the battery insulating spacer with flame retarding function improves the safety of battery
Property, effective fire retardation can be played when internal temperature of battery steeply rises, and avoided battery and lost insulation protection.
As shown in Figure 1 and Figure 2, the battery insulating spacer with flame retarding function includes 20 He of an at least flame-retardant layer
Insulating layer 10, wherein the insulating layer 10 is coated on outside each flame-retardant layer 20.
Preferably, each flame-retardant layer 20 is overlappingly arranged in the insulating layer 10, to reinforce flame retardant effect.The tool
Have flame retarding function battery insulating spacer be suitable for be arranged between different battery cells, different battery cells positive and negative anodes it
Between play the role of insulation and buffering.
It is noted that the quantity of the flame-retardant layer 20 battery with flame retarding function described in the utility model is exhausted
It is unrestricted in edge gasket, for example, it is attached Fig. 2 shows the flame-retardant layer 20 specific example in, with the flame-retardant layer 20
Quantity be three with example come illustrate and disclose described in the utility model with flame retarding function battery insulating spacer content and
Feature, but the quantity of the flame-retardant layer 20 is three and can not be considered as to the electricity described in the utility model with flame retarding function
The limitation of the content and range of pool insulation gasket.Optionally, the battery insulation with flame retarding function described in the utility model
In other possible examples of gasket, the quantity of the flame-retardant layer 20 also can be, but not limited to be implemented as 2,4,5 etc..
Specifically, the material of the insulating layer 10 is PET (polyethylene terephthalate), in PP (polypropylene)
One kind or combination.Preferably, when being only coated with one layer of flame-retardant layer 20 in the insulating layer 10, the insulating layer 10
Thickness is between 0.3~0.5mm.
It will be readily appreciated by those skilled in the art that the material of the insulating layer 10 has resistance described in the utility model
It is unrestricted in the battery insulating spacer of combustion function, for example, in the preferred embodiment, the material with the insulating layer 10 is
One of PET (polyethylene terephthalate), PP (polypropylene) or combination illustrate and disclose the utility model with example
The battery insulating spacer with flame retarding function content and feature, but the material of the insulating layer 10 is PET (poly- to benzene
Naphthalate), one of PP (polypropylene) or combination can not be considered as to having resistance described in the utility model
Fire the limitation of the content and range of the battery insulating spacer of function.Optionally, in other possible examples, the insulating layer 10
Material also may be implemented as other insulating materials, such as PC (polycarbonate) plate etc..
Further, the material of the flame-retardant layer 20 is Al (OH)3、Mg(OH)2、Sb2O3One of or combination.It is preferred that
Ground, the thickness of the flame-retardant layer 20 is between 0.1~0.2mm.
It will be readily appreciated by those skilled in the art that the material of the flame-retardant layer 20 has resistance described in the utility model
It is unrestricted in the battery insulating spacer of combustion function, for example, in the preferred embodiment, the material with the flame-retardant layer 20 is Al
(OH) 3, one of Mg (OH) 2, Sb2O3 or combination have flame retarding function with example to illustrate and disclose described in the utility model
Battery insulating spacer content and feature, but the material of the flame-retardant layer 20 is Al (OH) 3, Mg (OH) 2, one in Sb2O3
Kind or combination can not be considered as content and range to the battery insulating spacer described in the utility model with flame retarding function
Limitation.Optionally, in other possible examples, the material of the flame-retardant layer 20 also may be implemented as other fire-retardant materials
Material, such as red phosphorus, sulfate, hydration zinc borate etc..
It is noted that the flame-retardant layer 20 is coated on the structure design of the insulating layer 10, on the one hand maintain
The insulation performance of the battery insulating spacer entirety with flame retarding function, on the other hand, the insulating layer 10 can effectively hinder
Every preventing the flame-retardant layer 20 from reacting with the electrolyte in battery.
As shown in Fig. 2, when short circuit occurs for outside batteries, cell positive pole ear 30 starts to generate heat, the insulating layer 10
The constant temperature for the part being in contact with positive pole ear 30 increases；Further, as shown in Fig. 3, when temperature arrival is described absolutely
The fusing point of edge layer 10, the insulating layer 10 melt, the flame-retardant layer 20 and heat phase being coated on inside the insulating layer 10
Contact, the flame-retardant layer 20 absorb heat, play the role of inhibiting burning, thus prevent positive pole ear 30 and cathode pole piece 40 it
Between lose insulation protection, prevent battery that thermal runaway occurs.
It should be understood by those skilled in the art that foregoing description and the embodiments of the present invention shown in the drawings are only used as
It illustrates and is not intended to limit the utility model.The purpose of this utility model completely and effectively realizes.The function of the utility model
Energy and structural principle show and illustrate in embodiment, under without departing from the principle, the embodiments of the present invention
Can there are any deformation or modification.
Claims (5)
1. a kind of battery insulating spacer with flame retarding function characterized by comprising
An at least flame-retardant layer；With
The insulating layer being coated on outside each flame-retardant layer, wherein each flame-retardant layer is overlappingly arranged in the insulating layer.
2. the battery insulating spacer according to claim 1 with flame retarding function, which is characterized in that the material of the insulating layer
Matter is PET or PP.
3. the battery insulating spacer according to claim 1 with flame retarding function, which is characterized in that the thickness of the insulating layer
Degree is between 0.3~0.5mm.
4. the battery insulating spacer according to claim 1 with flame retarding function, which is characterized in that the material of the flame-retardant layer
Matter is Al (OH)3、Mg(OH)2、Sb2O3One of.
5. the battery insulating spacer according to claim 1 with flame retarding function, which is characterized in that the thickness of the flame-retardant layer
Degree is between 0.1~0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821343292.9U CN209087974U (en) | 2018-08-20 | 2018-08-20 | A kind of battery insulating spacer with flame retarding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821343292.9U CN209087974U (en) | 2018-08-20 | 2018-08-20 | A kind of battery insulating spacer with flame retarding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209087974U true CN209087974U (en) | 2019-07-09 |
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ID=67115040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821343292.9U Active CN209087974U (en) | 2018-08-20 | 2018-08-20 | A kind of battery insulating spacer with flame retarding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209087974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878760A (en) * | 2018-08-20 | 2018-11-23 | 安徽仁和光电科技有限公司 | A kind of battery insulating spacer with flame retarding function |
-
2018
- 2018-08-20 CN CN201821343292.9U patent/CN209087974U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878760A (en) * | 2018-08-20 | 2018-11-23 | 安徽仁和光电科技有限公司 | A kind of battery insulating spacer with flame retarding function |
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