CN109888142A - A kind of cabinet and its preparation method of industrial applications lithium battery - Google Patents
A kind of cabinet and its preparation method of industrial applications lithium battery Download PDFInfo
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- CN109888142A CN109888142A CN201910167764.2A CN201910167764A CN109888142A CN 109888142 A CN109888142 A CN 109888142A CN 201910167764 A CN201910167764 A CN 201910167764A CN 109888142 A CN109888142 A CN 109888142A
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000011347 resin Substances 0.000 claims abstract description 63
- 229920005989 resin Polymers 0.000 claims abstract description 63
- 239000011162 core material Substances 0.000 claims abstract description 34
- 238000009413 insulation Methods 0.000 claims abstract description 33
- 238000000465 moulding Methods 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims abstract description 6
- 238000004321 preservation Methods 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 60
- 239000000835 fiber Substances 0.000 claims description 39
- 239000004744 fabric Substances 0.000 claims description 26
- 239000006260 foam Substances 0.000 claims description 20
- -1 phenolic aldehyde Chemical class 0.000 claims description 20
- 229920006231 aramid fiber Polymers 0.000 claims description 14
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 13
- 239000011496 polyurethane foam Substances 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 10
- 239000012792 core layer Substances 0.000 claims description 9
- 239000003365 glass fiber Substances 0.000 claims description 7
- 240000007182 Ochroma pyramidale Species 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 239000003063 flame retardant Substances 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000009954 braiding Methods 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 4
- 229920006327 polystyrene foam Polymers 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 3
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920001568 phenolic resin Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000005007 epoxy-phenolic resin Substances 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 238000009736 wetting Methods 0.000 claims description 2
- 239000004793 Polystyrene Substances 0.000 claims 1
- 229920002223 polystyrene Polymers 0.000 claims 1
- 239000011435 rock Substances 0.000 claims 1
- 230000004580 weight loss Effects 0.000 abstract description 3
- 230000008595 infiltration Effects 0.000 abstract description 2
- 238000001764 infiltration Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229920002748 Basalt fiber Polymers 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004964 aerogel Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012611 container material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
Present invention discloses a kind of cabinets of industrial applications lithium battery, upper housing and lower case including activity attaching or forming seal, and the wall surface feature structure of the cabinet is by rigid structural member from the outside to the core, heat insulation core material layer one composite molding.Its preparation method comprising steps of S1, by rigid structural member it is prefabricated as upper housing, lower case shell mould；S2, based on shell mould, inner surface be laid with heat insulation core material layer, then will deploy curing agent resin mixture liquor smear and sufficiently infiltration heat insulation core material layer；S3, the periostracum for being equipped with heat insulation core material layer is moved into vacuum bag, and corresponding resin system solidifies integrated molding under preset temperature and pressure.Using above scheme of the invention, the cabinet of the integrated molding can realize have both heat preservation, high bearing capacity and stability, the features such as weight loss effect is obvious；And material selection, moulding process, properties of product and the marketization application for embodying lithium battery cabinet are upper great perspective.
Description
Technical field
The present invention relates to lithium battery applications technical field, which is widely used in new-energy automobile, in electric component,
More particularly to a kind of mechanics that integrates is carried, is kept the temperature, fire-retardant and explosion-proof body structure and its manufacturing process.
Background technique
Lithium battery is widely used as environmentally protective new energy, other than being widely applied on new-energy automobile, in electricity
Standing, also constantly expansion, demand are rapidly promoted for energy storage, military project space flight etc..As the basis of lithium battery applications, match with lithium battery
The related hardware product of set is also evolving growth in estate planning, wherein more representative is lithium battery box
Body.No matter which kind of is applied, and the architectural characteristic of lithium battery itself determines that it not can be used directly in any physical product, it is necessary to
Solve the problems, such as that it connects, positions fixation and environment isolation etc..Currently, being got in types of applications to lithium battery security requirement
Come higher, causes to require the comprehensive performance of its cabinet also very high.
, battery case existing lithium battery cabinet, which summarizes to summarize through proximate analysis, substantially exists following several shortcomings: 1)
It is mainly used for storing and connect inside it battery pack, and shadow of the efficiency for charge-discharge of battery pack by the temperature inside the box stability
It rings, traditional battery case material does not have heat insulation effect based on the metals such as single aluminium, steel, causes heat loss, needs
The stability of heat management system control temperature is installed in battery case.2), traditional metal cabinet is strong to reach ideal structure
Degree is no longer satisfied the related needs of lightweight and specific energy density to protect the usual heavier mass of battery pack therein.3),
Commercially available part is to realize light-weighted lithium battery cabinet, mostly uses polypropylene combination glass fiber material to manufacture, sacrifices significantly in this way
Mechanics bearing capacity, especially when needing to carry and impact resistance is more demanding, such multiple material can not be already chosen for use as in cabinet
Lower case manufacture.
Summary of the invention
The purpose of the present invention is directed to the cabinet and its preparation method of a kind of industrial applications lithium battery, and it is simultaneous to solve such cabinet
Care for bearing structure intensity, heat preservation and light-weighted problem.
The present invention realizes that the technical solution of said one purpose is a kind of cabinet of industrial applications lithium battery, packet
Include the upper housing and lower case of activity attaching or forming seal, it is characterised in that: the wall surface of the cabinet is by from the outside to the core
Rigid structural member, heat insulation core material layer one composite molding.
Further, the heat insulation core material layer is the compound sandwich knot of resin fibre layer, intermediate core layer, resin fibre layer
Structure, the intermediate core layer are selected from one of aramid fiber phenolic aldehyde honeycomb, cork wood, PVC foam, PET foam, and wherein in aramid fiber phenolic aldehyde honeycomb
Filling is equipped with polyurethane, polyurethane foam, polystyrene foam, polypropylene foam, vacuum glass microballon.
Further, the resin fibre layer is that one layer or more fiber cloth infiltrates cured complex in resin,
Described in fiber cloth be at least the two-dimensional fabric of glass fibre, carbon fiber or basalt fibre, the resin is at least asphalt mixtures modified by epoxy resin
Rouge, phenolic resin or polyphenylene sulfide.
Further, the heat insulation core material layer is abnormity braiding and the internal three-dimensional Woven glass cloth for being filled with polyurethane foam
Cured hollow multiple material is sufficiently infiltrated in resin.
Further, the rigid structural member is at least aluminum shell mould or outer steel shell mould.
The present invention realizes that the technical solution of another above-mentioned purpose is, a kind of cabinet system of industrial applications lithium battery
Method, it is characterised in that comprising steps of
S1, by rigid structural member it is prefabricated as upper housing, lower case shell mould；
S2, based on shell mould, inner surface be laid with heat insulation core material layer, then will deploy curing agent resin mixture liquor smear
And sufficiently infiltrate heat insulation core material layer；
S3, the periostracum for being equipped with heat insulation core material layer is moved into vacuum bag, and corresponding resin system is under preset temperature and pressure
Solidification is integrally formed.
Further, the process that heat insulation core material layer is laid in step S2 is to carry out abnormity using glass fibre and be woven into three
Plate body, and the filled polyurethane foam into three dimensional panel block are tieed up, then three dimensional panel block is uniformly attached at outer housing inner surface.
Further, the process of heat insulation core material layer is laid in step S2 are as follows:
S21, one layer of resin fibre layer is first laid in outer shell inner surface；
S22, cork wood, PVC foam, PET foam or molding aramid fiber phenolic aldehyde honeycomb are selected, and inwardly middle filled polyurethane, polyurethane
Foam, polystyrene foam, one of polypropylene foam, vacuum glass microballon, corresponding resin system is under preset temperature and pressure
Carry out curing molding for the first time；
S23, aramid fiber phenolic aldehyde honeycomb surface after finished curing re-lay one layer of resin fibre layer, and secondary curing is shaped to one
Body.
Further, the laying process of the resin fibre layer is that position is laid with needed for first successively overlaying fiber cloth
It sets, then resin mixture liquor is coated uniformly in fiber cloth and reaches complete wetting；Or it is successively stacked in resin mixture liquor
The resin prepreg material sufficiently infiltrated is then transferred to required paving location by fiber cloth.
Further, silane coupling agent and the fire-retardant powder of nanoscale are added in the allocation process of the resin mixture liquor and are stirred
It mixes uniformly.
Using lithium battery cabinet of the invention and its preparation method, have substantive distinguishing features outstanding and significant progress: should
The cabinet of integrated molding can realize have both heat preservation, high bearing capacity and stability, the features such as weight loss effect is obvious；And it embodies
The material selection of lithium battery cabinet, moulding process, properties of product and marketization application are upper great perspective.
Detailed description of the invention
Fig. 1 is a kind of wall structure cross-sectional view of embodiment of lithium battery cabinet of the present invention.
Fig. 2 is the wall structure cross-sectional view of lithium battery cabinet another embodiment of the present invention.
Specific embodiment
Just attached drawing in conjunction with the embodiments below, the embodiment of the present invention is described in further detail, so that of the invention
Technical solution is more readily understood, grasps, to make relatively sharp define to protection scope of the present invention.
Designer of the present invention during designing and manufacturing, analyzes in long campaigns lithium battery applications and has studied current lithium
Battery case is needed for comprehensive performance is unable to satisfy current application, in conjunction with itself research and development to container material, wound
The cabinet and its preparation method of a kind of industrial applications lithium battery are newly proposed, the common such cabinet of Vehicles Collected from Market is overcome more or less to deposit
The problem of body weight is larger, bearing structure intensity is lower, temperature control is with high costs, cannot be considered in terms of optimization.
The lithium battery extensively, especially in the on-vehicle battery of new-energy automobile, carries lithium battery and leads in industrial application
The performance requirement of body will be higher.It pitches since vehicle is difficult to avoid that in the process of moving, front and back impact, thus the knot of cabinet
Structure intensity needs obtain reliable guarantee from outside to inside, and completely cut off ambient temperature.
In summary many-sided performance requirement, the present invention cabinet include activity attaching or forming seal upper housing and under
Shell, and wherein lower case is as arrying main body, from the point of view of structure feature is summarized: for by rigid structural member 1 from the outside to the core, guarantor
The integrated composite molding of warm core layer 2.The cabinet (especially lower case) will rely on rigid structural member and promote bearing capacity as a result,
And structural strength, the mechanics framework effect that resin fibre layer promotes cabinet is relied on, can transmit to a certain extent and be sustained rigidity
The external force of structural member is simultaneously fire-retardant, while will also rely on the thermal insulation property of heat insulation core material layer promotion cabinet.
In addition, in order to ensure the stability of heat insulation core material layer in the long-term use, avoiding lithium electric in illustrated embodiment
The damage that pond rubs to heat insulation core material layer.The cabinet further adds one layer of resin fibre layer and one on the inside of heat insulation core material layer
Bluk recombination molding.Thus the direct contact object of lithium battery will be structural strength is higher and performance is stable resin fibre layer.
The further refinement of above scheme, wherein rigid structural member 1 is at least aluminum shell mould or outer steel shell mould, preferably more
The aluminum shell mould of lightweight.Mechanics carrying effect is primarily served, while the mill that the hard object such as can prevent stone splashes to resin fibre layer
The destruction to heat insulation core material layer is undermined, and the rigid structural member can suitably carry out appropriate surface roughening treatment.Above-mentioned tree
Rouge fibrous layer is that one layer or more fiber cloth infiltrates cured complex in resin, and wherein fiber cloth is at least glass fibre, carbon
The two-dimensional fabric of fiber or basalt fibre, resin is at least epoxy resin, phenolic resin or polyphenylene sulfide, but is not limited to
The example above.In addition, in resin can also be added with the fillers such as silane coupling agent and the fire-retardant powder of nanoscale, so as to improve with
The binding performance of metal interface, and the effect of impregnation of modified resin and fiber cloth is good, and has flame-retarding characteristic.
Above-mentioned heat insulation core material layer 2 is resin fibre layer 21, intermediate core layer (aramid fiber phenolic aldehyde honeycomb, cork wood, PVC foam, PET
Foam) 22, the sandwich structure of resin fibre layer 23, wherein optionally filling is equipped with polyurethane, poly- ammonia in aramid fiber phenolic aldehyde honeycomb
Ester foam 3, polystyrene foam, polypropylene foam or vacuum glass microballon etc., the heat preservation and insulation needed for after molding
With the free controllability of material and packed density etc..The wall structure cross-sectional view of the molding rear box is as shown in Figure 1.
Above-mentioned heat insulation core material layer 2 is abnormity braiding and the internal three-dimensional Woven glass cloth 24 filled with polyurethane foam 3 is being set
Cured hollow multiple material is sufficiently infiltrated in rouge.Since the density of braiding is more subtle with respect to cellular material, inner stuffing side
Face is opposite to be limited to, and appropriateness filling can be completed using injection system.And filled three-dimensional Woven glass cloth still have compared with
Strong space compression ability, thus after resin sufficiently infiltrates and solidifies, surface will also assign certain structural strength.It can be straight
Lithium battery inner core is contacted, the wall structure cross-sectional view of the molding rear box is as shown in Figure 2
Furthermore from manufacturing method of the present invention to the cabinet also proposed innovation improve, summarize from the point of view of comprising steps of S1, will be rigid
Property structural member it is prefabricated as upper housing, lower case shell mould；S2, based on shell mould, inner surface be laid with heat insulation core material
The resin mixture liquor for deploying curing agent is then smeared and sufficiently infiltrates heat insulation core material layer by layer；S3, heat insulation core material layer will be equipped with
Periostracum move into vacuum bag, and corresponding resin system solidifies integrated molding under preset temperature and pressure.Certainly, in order to be promoted
The composite performance of the resin fibre layer adds silane coupling agent and the fire-retardant powder of nanoscale simultaneously in the allocation process of resin mixture liquor
It stirs evenly, if dry process embodiment briefly described below.
Cabinet wall surface cross-sectional view corresponding with illustrated embodiment, as shown in Figure 1 is corresponded to be laid in the step S2 of preparation method and be protected
The process of warm core layer are as follows: S21, be first laid with one layer of resin fibre layer in outer shell inner surface；S22, select cork wood, PVC foam,
PET foam or molding aramid fiber phenolic aldehyde honeycomb, and inwardly in be selectively filled with the thermal insulation materials such as polyurethane foam, corresponding resinite
It ties up to and carries out curing molding for the first time under preset temperature and pressure；S23, aramid fiber phenolic aldehyde honeycomb surface after finished curing re-lay
One layer of resin fibre layer, and secondary curing is molded as one.
Case study on implementation 1 selects aluminum shell body to serve as outer mold, successively by 100g/m2、200g/m2、200g/m2Three layers of glass
Fine cloth (i.e. fiberglass braided made of two-dimensional fabric) laying inside housings, then by curing agent and resin in mass ratio 1:
The resin mixture liquor of 4 5000mL being deployed into, is coated uniformly in glass-fiber-fabric, after whole fiber cloths sufficiently infiltrate, then in it
Portion laying density 48kg/m3, aramid fiber phenolic aldehyde honeycomb (inside fillable polyurethane foam) that the circumscribed circular diameter of honeycomb is 3.2mm
Afterwards, it is transferred in vacuum bag, controlling pressure in vacuum bag is 0.1MPa or so, puts into baking oven and is solidified that (it is solid that technique regards resin
Depending on change condition), glass-fiber-fabric is laid in the same way again after taking out, solidifies by solidification, completes integrally formed Battery case
Shell.
Case study on implementation 2, it is same that aluminum shell body is selected to serve as outer mold, by aluminum shell, resin prepreg material, aramid fiber phenolic aldehyde honeycomb
(the fillable polyurethane foam in inside), resin prepreg material are placed in mold together and carry out disposable molded curing, at this time pressure
It may not exceed 0.3MPa, curing process is depending on resin system.Unlike the embodiments above is the laying of the resin fibre layer
Technique is no longer coating type infiltration, but successively stacks fiber cloth in the resin mixture liquor of allotment curing agent, will then fill
The resin prepreg material of sub-dip profit is transferred to required paving location.This have the advantage that a vacuum hotpressing can be passed through
Complete entirety plastotype, saves process energy consumption.
Case study on implementation 3, cabinet wall surface cross-sectional view as shown in Figure 2 correspond to and are laid with heat insulation core material layer in the step S2 of preparation method
Process are as follows: using glass fibre carry out abnormity be woven into three dimensional panel block, and the filled polyurethane foam into three dimensional panel block,
Three dimensional panel block is uniformly attached at outer housing inner surface again.Obvious omission is individually laid with resin fibre layer, in production, directly
Hollow fabric (inside fillable polyurethane foam) is placed in aluminum shell, then coat it is formulated after resin mixture liquor,
Make both to reach the degree sufficiently infiltrated, then carries out a vacuum hotpressing curing molding again.Thus it equally can be realized aluminium
The fusion of resin and hollow multiple material solidifies and has both the performance of a variety of materials on the inside of outer housing.
The detailed description that diagram is to sum up combined for the embodiment of the present invention, so that the innovation essence of technical solution of the present invention obtains
To show, and has the plurality of advantages for breaking through current common cabinet characteristic: by multilayer material with sandwich formats integration
Molding cabinet can realize heat insulation effect identical with aerogel material, and thermal coefficient is up to 0.03W/mK；And it can carry
Mechanics of the battery modules of 300kg in dynamic 25G and static state 3G impacts；The water absorption rate of cabinet is only 0.4%, is far below national standard 1%；
After cabinet finished product loading battery pack is placed in shake table 72h, cabinet interlayer is without layering, it was demonstrated that composite material and metal material
Interface performance is excellent；Tank thickness only has 6mm, and compared with existing all-metal material Battery case, weight loss effect reaches 50%.It is comprehensive
On, material selection, moulding process, properties of product and the marketization of this battery case are using upper great perspective.
Claims (10)
1. a kind of cabinet of industrial applications lithium battery, upper housing and lower case including activity attaching or forming seal are special
Sign is: the wall surface of the cabinet is by rigid structural member from the outside to the core, heat insulation core material layer one composite molding.
2. the cabinet of industrial applications lithium battery according to claim 1, it is characterised in that: the heat insulation core material layer is resin
The compound sandwich structure of fibrous layer, intermediate core layer, resin fibre layer, the intermediate core layer be selected from aramid fiber phenolic aldehyde honeycomb, cork wood,
One of PVC foam, PET foam, and wherein filling is equipped with polyurethane, polyurethane foam, polystyrene bubble in aramid fiber phenolic aldehyde honeycomb
Foam, polypropylene foam, vacuum glass microballon.
3. the cabinet of industrial applications lithium battery according to claim 2, it is characterised in that: the resin fibre layer is one layer
The above fiber cloth infiltrates cured complex in resin, wherein the fiber cloth is at least glass fibre, carbon fiber or the Black Warrior
The two-dimensional fabric of rock fiber, the resin are at least epoxy resin, phenolic resin or polyphenylene sulfide.
4. the cabinet of industrial applications lithium battery according to claim 1, it is characterised in that: the heat insulation core material layer is abnormity
Braiding and the internal three-dimensional Woven glass cloth filled with polyurethane foam sufficiently infiltrate cured hollow multiple material in resin.
5. the cabinet of industrial applications lithium battery according to claim 1, it is characterised in that: the rigid structural member is at least
Aluminum shell mould or outer steel shell mould.
6. a kind of cabinet preparation method of industrial applications lithium battery, it is characterised in that comprising steps of
S1, by rigid structural member it is prefabricated as upper housing, lower case shell mould；
S2, based on shell mould, inner surface be laid with heat insulation core material layer, then will deploy curing agent resin mixture liquor smear
And sufficiently infiltrate heat insulation core material layer；
S3, the periostracum for being equipped with heat insulation core material layer is moved into vacuum bag, and corresponding resin system is under preset temperature and pressure
Solidification is integrally formed.
7. the cabinet preparation method of industrial applications lithium battery according to claim 6, it is characterised in that: be laid with heat preservation in step S2
The process of core layer is to carry out abnormity using glass fibre and be woven into three dimensional panel block, and fill poly- ammonia into three dimensional panel block
Ester foam, then three dimensional panel block is uniformly attached at outer housing inner surface.
8. the cabinet preparation method of industrial applications lithium battery according to claim 6, it is characterised in that: be laid with heat preservation in step S2
The process of core layer are as follows:
S21, one layer of resin fibre layer is first laid in outer shell inner surface；
S22, cork wood, PVC foam, PET foam or molding aramid fiber phenolic aldehyde honeycomb are selected, and inwardly middle filled polyurethane, polyurethane
Foam, polystyrene foam, one of polypropylene foam, vacuum glass microballon, corresponding resin system is under preset temperature and pressure
Carry out curing molding for the first time；
S23, aramid fiber phenolic aldehyde honeycomb surface after finished curing re-lay one layer of resin fibre layer, and secondary curing is shaped to one
Body.
9. the cabinet preparation method of industrial applications lithium battery according to claim 8, it is characterised in that: the resin fibre layer
Laying process is that fiber cloth is first successively overlayed to required paving location, resin mixture liquor is then coated uniformly on fiber cloth
In reach complete wetting；Or fiber cloth is successively stacked in resin mixture liquor, then the resin prepreg material sufficiently infiltrated is turned
Move to required paving location.
10. the cabinet preparation method of industrial applications lithium battery according to claim 6, it is characterised in that: the resin mixture liquor
Allocation process in add silane coupling agent and the fire-retardant powder of nanoscale and stir evenly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910167764.2A CN109888142A (en) | 2019-03-06 | 2019-03-06 | A kind of cabinet and its preparation method of industrial applications lithium battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910167764.2A CN109888142A (en) | 2019-03-06 | 2019-03-06 | A kind of cabinet and its preparation method of industrial applications lithium battery |
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| CN109888142A true CN109888142A (en) | 2019-06-14 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492035A (en) * | 2019-08-21 | 2019-11-22 | 中材科技（苏州）有限公司 | A kind of lower box and its preparation method of power battery |
| CN111192987A (en) * | 2020-01-06 | 2020-05-22 | 王晓华 | High temperature resistance lithium battery packaging shell |
| CN112873914A (en) * | 2020-12-29 | 2021-06-01 | 江苏华曼复合材料科技有限公司 | Method for manufacturing high top cover of truck and high top cover of truck |
| CN114055819A (en) * | 2021-11-16 | 2022-02-18 | 航天特种材料及工艺技术研究所 | Skin of packing box, preparation method and packing box |
| WO2022006609A3 (en) * | 2020-07-06 | 2022-04-14 | Fill Gesellschaft M.B.H. | Accumulator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08153523A (en) * | 1994-11-29 | 1996-06-11 | Matsushita Electric Ind Co Ltd | Thermal battery |
| CN201648829U (en) * | 2010-01-10 | 2010-11-24 | 常州同维佳业新材料科技有限公司 | Foam-filled stereoscopic reinforcing material |
| CN102655247A (en) * | 2011-03-01 | 2012-09-05 | 杭州普维光电技术有限公司 | Method and device for constant temperature operation of lithium battery |
| CN202925699U (en) * | 2012-07-27 | 2013-05-08 | 常州新保建材科技有限公司 | Reinforced thermal insulation board |
| CN103972437A (en) * | 2013-02-04 | 2014-08-06 | 北京中瑞蓝科电动汽车技术有限公司 | Electric automobile battery box and making method thereof |
| CN107681083A (en) * | 2017-10-27 | 2018-02-09 | 智车优行科技（上海）有限公司 | Modularization vehicle battery box and Vehicular battery bag |
-
2019
- 2019-03-06 CN CN201910167764.2A patent/CN109888142A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08153523A (en) * | 1994-11-29 | 1996-06-11 | Matsushita Electric Ind Co Ltd | Thermal battery |
| CN201648829U (en) * | 2010-01-10 | 2010-11-24 | 常州同维佳业新材料科技有限公司 | Foam-filled stereoscopic reinforcing material |
| CN102655247A (en) * | 2011-03-01 | 2012-09-05 | 杭州普维光电技术有限公司 | Method and device for constant temperature operation of lithium battery |
| CN202925699U (en) * | 2012-07-27 | 2013-05-08 | 常州新保建材科技有限公司 | Reinforced thermal insulation board |
| CN103972437A (en) * | 2013-02-04 | 2014-08-06 | 北京中瑞蓝科电动汽车技术有限公司 | Electric automobile battery box and making method thereof |
| CN107681083A (en) * | 2017-10-27 | 2018-02-09 | 智车优行科技（上海）有限公司 | Modularization vehicle battery box and Vehicular battery bag |
Non-Patent Citations (1)
| Title |
|---|
| 王建: "《大学生方程式赛车设计》", 31 August 2016, 北京理工大学出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492035A (en) * | 2019-08-21 | 2019-11-22 | 中材科技（苏州）有限公司 | A kind of lower box and its preparation method of power battery |
| CN111192987A (en) * | 2020-01-06 | 2020-05-22 | 王晓华 | High temperature resistance lithium battery packaging shell |
| WO2022006609A3 (en) * | 2020-07-06 | 2022-04-14 | Fill Gesellschaft M.B.H. | Accumulator |
| CN112873914A (en) * | 2020-12-29 | 2021-06-01 | 江苏华曼复合材料科技有限公司 | Method for manufacturing high top cover of truck and high top cover of truck |
| CN114055819A (en) * | 2021-11-16 | 2022-02-18 | 航天特种材料及工艺技术研究所 | Skin of packing box, preparation method and packing box |
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