CN106356588B - A kind of preparation method of battery thermal management system heat conductive silica gel composite phase-change material - Google Patents
A kind of preparation method of battery thermal management system heat conductive silica gel composite phase-change material Download PDFInfo
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- CN106356588B CN106356588B CN201510414903.9A CN201510414903A CN106356588B CN 106356588 B CN106356588 B CN 106356588B CN 201510414903 A CN201510414903 A CN 201510414903A CN 106356588 B CN106356588 B CN 106356588B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
- C09K5/063—Materials absorbing or liberating heat during crystallisation; Heat storage materials
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
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Abstract
The invention discloses a kind of battery thermal management system preparation methods of heat conductive silica gel composite phase-change material, it is characterised in that: is the composite material of a kind of heat conductive silica gel and composite phase-change material.Wherein, the heat conductive silica gel mass fraction accounts for 50% ~ 80%；The composite phase-change material mass fraction accounts for 20% ~ 50%；The phase transition temperature of the composite phase-change material is 35 DEG C ~ 55 DEG C.It is applied to the battery pack of battery thermal management system exploitation using composite material of the invention, not only has many advantages, such as structure simple, stable connection, water proof and dust proof, shockproof, heat dissipation also with battery and equal temperature function simultaneously, effective heat management sufficiently is carried out to the heat production of battery and connection sheet, control battery works in optimal operating temperature range.
Description
Technical field
The present invention relates to a kind of battery thermal management system preparation method of heat conductive silica gel composite phase-change material, especially one
Kind heat conductive silica gel composite phase-change material is applied to battery thermal management system, belongs to battery thermal management technical field.
Background technique
As power battery is in the fast development of the industries such as electric car, communication system, robot, the safety of power battery
Property, reliability, the performances such as service life are more and more aobvious in product development and application payes attention to.Due to the heat production characteristic of battery, will cause
Power battery at high temperature and temperature inconsistency, wherein the high temperature of battery, often will affect internal cell material irreversible reaction
Occur, cause battery performance sharp-decay, the high temperature of in particular up to certain limit will cause the danger such as burning, explosion of battery
Evil；Wherein battery temperature inconsistency easily causes the premature failure of long-term high-temperature battery in battery pack, so that it is whole to influence battery pack
The decline of body capacity or voltage leads to the premature failure of battery pack.
Along with the development of power battery, battery thermal management system derives, battery on the basis of battery management system
Heat management system lays particular emphasis on the passive heat radiation to each battery of battery pack, heating and supervisory function bit.Advanced battery thermal management
System becomes electric car, the main marketing methods of power battery and profit point.
Traditional battery thermal management system includes air cooling system, liquid-cooling system, semiconductor refrigeration system, wherein
Air cooling system effect is poor, and battery pack is not able to satisfy the test of IP67 water proof and dust proof；Liquid-cooling system systematic comparison is complicated, deposits
In the danger of liquid leakage；Semiconductor refrigeration system needs additional energy supplying system.
In conclusion based on power battery pack opposite heat tube reason system and dust-proof demand of paddling, the present invention is proposed based on electricity
The integral heat sink of pond group, totally enclosed type design and a kind of preparation method of heat conductive silica gel composite phase-change material of exploitation, using this
The composite material of invention is applied to the battery pack of battery thermal management system exploitation, not only simple, stable connection, waterproof with structure
The advantages that dust-proof, shockproof, while the also heat dissipation with battery and equal temperature function, sufficiently have to the heat production of battery and connection sheet
The heat management of effect, control battery work in optimal operating temperature range.
Summary of the invention
It is an object of the invention to power battery pack opposite heat tube reason system and dust-proof demands of paddling, and propose a kind of battery heat
The preparation method of management system heat conductive silica gel composite phase-change material.
Battery thermal management system heat conductive silica gel composite phase-change material, it is characterised in that be heat conductive silica gel and composite phase-change material
The composite material of material.Wherein, the heat conductive silica gel mass fraction accounts for 50% ~ 80%；The composite phase-change material mass fraction accounts for 20%
~50%；The phase transition temperature of the composite phase-change material is 35 DEG C ~ 55 DEG C.Preparation step is as follows.
The preparation of step (1) heat conductive silica gel.
Using the common bi-component organic silicon potting adhesive in market, added respectively in component A, component B a certain amount of micro-nano
Thermal conducting agent, stabilizer, delayed-action activator are prepared into component A1, component B1 respectively after mixing.When exclusive use, by component A1, group
Divide B1 to mix according to 1:1 ratio, add a small amount of catalyst, is uniformly mixed, vacuumizing and exhausting bubble, curing molding.
The preparation of step (2) composite phase-change material.
Phase-change material and thermal conducting agent, fire retardant is compound by a certain percentage, and micro-nanoization processing is carried out, it prepares micro-nano
Composite phase-change material.
The preparation of step (3) heat conductive silica gel composite phase-change material.
Component A1, component B1 first by step (1) preparation are uniformly mixed according to 1:1 ratio；Then it adds a certain amount of
The micro-nano composite phase-change material prepared in step (2) is uniformly mixed；A small amount of catalyst is finally added, is uniformly mixed, vacuumizes
Exhaust bubble, curing molding.
Thermal conducting agent as described in step (1) is aluminium oxide, magnesia, cannot be metal powder or metal nitride.
Micro-nano composite phase-change material described in step (2), wherein phase-change material mass fraction accounts for 60% ~ 100%；It is thermally conductive
Agent mass fraction accounts for 0 ~ 20%；Fire retardant mass fraction accounts for 0% ~ 20%.
Phase-change material described in step (2) is paraffin, and phase transition temperature is 35 DEG C ~ 55 DEG C；Thermal conducting agent is expanded graphite；It is fire-retardant
Agent is antimony oxide, magnesium hydroxide, one or more of in aluminium hydroxide, cannot be for containing N, S, P based flame retardant.
Catalyst described in step (1) and (3) is platinum catalyst.
It is applied to the battery pack of battery thermal management system exploitation using composite material of the invention, including battery case, thermally conductive
Layer of silica gel, heat conductive silica gel composite phase-change material layer, battery, connection sheet.
The feature that battery pack has: two layers of heat conduction silicone and heat conductive silica gel composite phase-change material layer form sandwich knot
Structure；The connection sheet of heat conduction silicone sealed cell, it is bonding with the top and bottom of battery case, there is heat dissipation, heat transmission function；Thermal conductive silicon
Glue composite phase-change material layer is laminboard layer, and sealed cell is bonding with the four sides of battery case, has heat accumulation, heat dissipation, heat transfer function
Energy.
The function that battery pack has: the simple, stable connection with structure；Water proof and dust proof, it is shockproof the advantages that；With battery
Heat dissipation and equal temperature function.
Detailed description of the invention
Fig. 1 battery pack overall diagram designed by the invention.
Fig. 2 battery pack exploded view designed by the invention.
Figure label: 1- battery case, 2- heat conduction silicone, 3- heat conductive silica gel composite phase-change material layer, 4- battery, 5- connection
Piece.
Specific embodiment
Embodiments of the present invention are specifically described with reference to the accompanying drawing.
It is applied to the battery pack of battery thermal management system exploitation using composite material of the invention, including battery case 1, thermally conductive
Layer of silica gel 2, heat conductive silica gel composite phase-change material layer 3, battery 4, connection sheet 5.Wherein heat conduction silicone 2 has upper layer and lower layer, complete
The connection sheet 5 of omniseal battery, it is bonding with the top and bottom of battery case 1 respectively, with a thickness of 0.2cm ~ 1cm, to connection sheet heat production
Carry out radiate, heat transfer effect；Heat conductive silica gel composite phase-change material layer 3 is laminboard layer, battery 4 is fully sealed, with battery case 1
Peripheric surface is bonding, with a thickness of 4cm ~ 6cm, carries out heat accumulation, heat dissipation, heat transfer effect to battery heat production；Heat conduction silicone with it is thermally conductive
Silica gel composite phase-change material layer sandwich structure consisting.
In the present embodiment, battery 4 is welded using connection sheet 5 first, is placed in battery case 1；Then modulating thermally conductive has
Machine silica gel, vacuumizing and exhausting bubble, injects in Battery case, guarantees the link plate 5 of heat-conducting organic silica gel covering battery bottom, solidification
Molding；Then configuration heat conductive silica gel composite phase-change material liquid, vacuumizing and exhausting bubble, injects in Battery case, guarantees thermal conductive silicon
Glue composite phase-change material liquid covers battery 4, curing molding；Organic silica gel is finally injected, guarantees heat-conducting organic silica gel covering electricity
The link plate 5 on pond top, curing molding seal the upper cover of battery case 1.
In the present embodiment, heat conduction silicone is by using the common bi-component organic silica gel in market, in component A, component B respectively
A certain amount of micro-nano thermal conducting agent, stabilizer, delayed-action activator are added, is prepared into component A1, component B1 respectively after mixing.It uses
When, component A1, component B1 are mixed according to 1:1 ratio, a small amount of platinum catalyst is added, is uniformly mixed, vacuumizing and exhausting bubble, Gu
The preparation of chemical conversion type.
Thermal conducting agent used is aluminium oxide, magnesia in above-mentioned heat conduction silicone.
In the present embodiment, heat conductive silica gel composite phase-change material layer is by the component A1 in above-mentioned heat conductive silica gel preparation process, group
B1 is divided to be uniformly mixed according to 1:1 ratio；Then a certain amount of micro-nano composite phase-change material is added, is uniformly mixed；Finally add
A small amount of catalyst is uniformly mixed, vacuumizing and exhausting bubble, curing molding preparation.
Above-mentioned heat conductive silica gel composite phase-change material layer, wherein heat conductive silica gel mass fraction accounts for 50% ~ 80%, composite phase-change material
Mass fraction accounts for 20% ~ 50%, and the phase transition temperature of composite phase-change material is 35 DEG C ~ 55 DEG C.
Above-mentioned composite phase-change material is compound by a certain percentage by phase-change material and thermal conducting agent, fire retardant, and carries out micro-nano
Change processing and prepares.
Above-mentioned composite phase-change material, wherein phase-change material mass fraction accounts for 60% ~ 100%；Thermal conducting agent mass fraction accounts for 0% ~
20%；Fire retardant mass fraction accounts for 0% ~ 20%.
Above-mentioned phase-change material is paraffin, and phase transition temperature is 35 DEG C ~ 55 DEG C；Thermal conducting agent is expanded graphite；Fire retardant is three oxygen
Change two antimony, magnesium hydroxide, one or more of in aluminium hydroxide, it cannot be for containing N, S, P based flame retardant.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation such as adjusts the formula rate of material, changes the wherein position of component, quantity or the shape for changing shell etc., others are appointed
How without departing from the spirit and principles of the present invention made changes, modifications, substitutions, combinations, simplifications, should be equivalent and set
Mode and technical solution are changed, is included within the scope of the present invention.
Claims (5)
1. a kind of battery thermal management system preparation method of heat conductive silica gel composite phase-change material, it is characterised in that heat conductive silica gel and
The composite material of composite phase-change material；Wherein, the heat conductive silica gel mass fraction accounts for 50%~80%；The composite phase-change material
Mass fraction accounts for 20%~50%；The phase transition temperature of the composite phase-change material is 35 DEG C~55 DEG C；Preparation step is as follows:
(1) preparation of heat conductive silica gel
Using the common bi-component organic silicon potting adhesive in market, added respectively in component A, component B a certain amount of micro-nano thermally conductive
Agent, stabilizer and delayed-action activator are prepared into component A1, component B1 respectively after mixing；
When exclusive use, component A1, component B1 are mixed according to 1:1 ratio, a small amount of catalyst is added, is uniformly mixed, vacuumizes
Exhaust bubble, curing molding；
(2) preparation of composite phase-change material
Phase-change material and thermal conducting agent and/or fire retardant is compound by a certain percentage, and micro-nanoization processing is carried out, it prepares micro-nano
Composite phase-change material；
(3) preparation of heat conductive silica gel composite phase-change material
Component A1, component B1 first by step (1) preparation are uniformly mixed according to 1:1 ratio；Then a certain amount of step is added
(2) the micro-nano composite phase-change material prepared in is uniformly mixed；A small amount of catalyst is finally added, is uniformly mixed, vacuumizing and exhausting
Bubble, curing molding.
2. the preparation method of a kind of battery thermal management system heat conductive silica gel composite phase-change material according to claim 1,
It is characterized in that thermal conducting agent described in step (1) is aluminium oxide or magnesia.
3. the preparation method of a kind of battery thermal management system heat conductive silica gel composite phase-change material according to claim 1,
It is characterized in that micro-nano composite phase-change material described in step (2), wherein phase-change material mass fraction accounts for 60%~100%；
Thermal conducting agent mass fraction accounts for 0%~20%；Fire retardant mass fraction accounts for 0%~20%.
4. according to claim 1 or a kind of 3 preparation methods of battery thermal management system heat conductive silica gel composite phase-change material,
It is characterized in that the phase-change material is paraffin, phase transition temperature is 35 DEG C~55 DEG C；Thermal conducting agent is expanded graphite；Fire retardant is three
Aoxidize two antimony, magnesium hydroxide, one or more of in aluminium hydroxide.
5. the preparation method of a kind of battery thermal management system heat conductive silica gel composite phase-change material according to claim 1,
It is characterized in that catalyst described in step (1) and (3) is platinum catalyst.
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017206560A1 (en) * | 2017-04-19 | 2018-10-25 | Robert Bosch Gmbh | Battery module and use of a propagation protection element |
| CN109722215A (en) * | 2017-10-27 | 2019-05-07 | 宁德时代新能源科技股份有限公司 | Heat absorption pouring sealant and battery thereof |
| CN107994297B (en) * | 2017-12-13 | 2020-07-31 | 深圳市海梁科技有限公司 | Intelligent heat dissipation material, battery heat dissipation explosion-proof device and manufacturing method thereof |
| CN108822414B (en) * | 2018-05-29 | 2021-01-15 | 零维(宁波)科技发展有限公司 | Heat-conducting rubber material for lithium ion battery and preparation method thereof |
| CN108736104A (en) * | 2018-08-02 | 2018-11-02 | 广东电网有限责任公司 | A kind of high temperature resistant battery |
| CN109786613A (en) * | 2019-02-28 | 2019-05-21 | 中国电力科学研究院有限公司 | A kind of battery case preventing thermal runaway |
| CN110317578A (en) * | 2019-07-03 | 2019-10-11 | 张立强 | Phase-change thermal storage silica gel, preparation method and applications |
| CN112574568B (en) * | 2019-09-30 | 2022-12-30 | 广州玖盈化工材料有限公司 | Phase-change temperature-control silicone rubber composition and preparation method thereof |
| CN111286307A (en) * | 2020-03-06 | 2020-06-16 | 平湖阿莱德实业有限公司 | Curable two-component heat-conducting heat-storing silicone gel |
| CN111725443A (en) * | 2020-07-01 | 2020-09-29 | 广东工业大学 | Preparation method of silica gel composite material and battery thermal management system |
| CN112078833A (en) * | 2020-07-27 | 2020-12-15 | 上海空间电源研究所 | Method for controlling temperature rise of high-power lithium battery for carrier rocket |
| CN114094230A (en) * | 2021-11-24 | 2022-02-25 | 宁德新能源科技有限公司 | Electrochemical device and electric equipment |
| CN116964842A (en) * | 2021-12-24 | 2023-10-27 | 宁德时代新能源科技股份有限公司 | Battery, power utilization device, preparation method of battery and manufacturing mold |
| CN115433539A (en) * | 2022-09-15 | 2022-12-06 | 矽时代材料科技股份有限公司 | Phase-change latent heat organic silicon pouring sealant and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101225293A (en) * | 2008-02-01 | 2008-07-23 | 南京凯汇工业科技有限公司 | Phase-change heat conductive material and preparation method thereof |
| CN102408877A (en) * | 2011-07-12 | 2012-04-11 | 北京化工大学 | Phase-transition composite material, preparation method and application thereof |
| CN103374333A (en) * | 2012-04-13 | 2013-10-30 | 南京德朔实业有限公司 | Composite phase change material |
| CN103756327A (en) * | 2013-11-07 | 2014-04-30 | 杭州硅畅科技有限公司 | Heat-conducting silicone rubber electronic casting glue and preparation method and application thereof |
| CN104059611A (en) * | 2013-03-19 | 2014-09-24 | 张曹 | Phase-change material packaging process and phase change heat storage product |
-
2015
- 2015-07-15 CN CN201510414903.9A patent/CN106356588B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101225293A (en) * | 2008-02-01 | 2008-07-23 | 南京凯汇工业科技有限公司 | Phase-change heat conductive material and preparation method thereof |
| CN102408877A (en) * | 2011-07-12 | 2012-04-11 | 北京化工大学 | Phase-transition composite material, preparation method and application thereof |
| CN103374333A (en) * | 2012-04-13 | 2013-10-30 | 南京德朔实业有限公司 | Composite phase change material |
| CN104059611A (en) * | 2013-03-19 | 2014-09-24 | 张曹 | Phase-change material packaging process and phase change heat storage product |
| CN103756327A (en) * | 2013-11-07 | 2014-04-30 | 杭州硅畅科技有限公司 | Heat-conducting silicone rubber electronic casting glue and preparation method and application thereof |
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