CN109256500A - The encapsulating method of battery - Google Patents
The encapsulating method of battery Download PDFInfo
- Publication number
- CN109256500A CN109256500A CN201810996364.8A CN201810996364A CN109256500A CN 109256500 A CN109256500 A CN 109256500A CN 201810996364 A CN201810996364 A CN 201810996364A CN 109256500 A CN109256500 A CN 109256500A
- Authority
- CN
- China
- Prior art keywords
- heat carrier
- battery case
- battery
- paraffin
- pressure cell
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000012188 paraffin wax Substances 0.000 claims abstract description 33
- 229920005989 resin Polymers 0.000 claims abstract description 28
- 239000011347 resin Substances 0.000 claims abstract description 28
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 28
- 238000005485 electric heating Methods 0.000 claims abstract description 23
- 239000012530 fluid Substances 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 5
- 229920001568 phenolic resin Polymers 0.000 claims description 5
- 239000005011 phenolic resin Substances 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 6
- 239000000565 sealant Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/183—Sealing members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/147—Lids or covers
- H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
-
- 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
Abstract
The invention belongs to battery technology fields, specifically disclose a kind of encapsulating method of battery, and specific implementation process is as follows, and polar plate group is fixedly installed in battery case by (1), and there are spacing between polar plate group and battery case；(2) heat carrier is made, heat carrier is fixedly mounted in battery case, and make heat carrier between polar plate group and battery case, side wall of the heat carrier close to polar plate group side is equipped with electric heating wire；(3) upper cover is sealed on battery case；(4) electric heating wire, which is powered, runs, and the paraffin of fluid state is filled between conductive body and polar plate group, and paraffin is powered off full of electric heating wire after the space between heat carrier and polar plate group；(5) thermosetting resin is added between conductive body and battery case, until thermosetting resin is full of the space between heat carrier and battery case.This programme carries out dual-seal to battery using paraffin and thermosetting resin, and sealing effect is good.
Description
Technical field
The invention belongs to battery technology field more particularly to a kind of encapsulating methods of battery.
Background technique
Battery is a kind of device that chemical energy is directly translated into electric energy, mainly by battery case, polar plate group and electricity
Solve liquid composition, polar plate group clips diaphragm and is laminated by positive plate, negative plate, battery case include for accommodate the polar plate group with
And electrolyte rectangle electricity slot and the upper cover with safety valve that the opening portion of the electricity slot is sealed.Battery at present
Several pieces of pole plate compressions are placed in battery case and fix, in vehicle traveling process by the battery for mostly using pole plate pressing block type greatly
In inevitably jolt vibration, in the long-term use, it is disconnected that vibration of being jolted is easy to happen part pole plate to the battery of this structure
It splits, electrolyte is easy to happen leakage, influences outputting and inputting for battery, shortens its service life.
Summary of the invention
The purpose of the present invention is to provide a kind of encapsulating methods of the good battery of sealing effect.
In order to achieve the above object, base case of the invention are as follows: the encapsulating method of battery, specific implementation process is such as
Under,
(1) polar plate group is fixedly installed in pressure cell, pressure cell is fixedly mounted in battery case, pressure cell and electricity
There are spacing between the shell of pond；
(2) heat carrier is made, heat carrier is the shell with the open at both ends of battery case shape adaptation, and heat carrier is fixed
It is mounted in battery case, and makes heat carrier between pressure cell and battery case, side of the heat carrier close to pressure cell side
Wall is equipped with electric heating wire；
(3) upper cover is sealed on battery case；
(4) electric heating wire, which is powered, runs, and the paraffin of fluid state is filled between conductive body and pressure cell, electric heating wire is to stone
Wax is heated, and paraffin is made to keep fluid state, and paraffin is powered off full of electric heating wire after the space between heat carrier and pressure cell；
(5) thermosetting resin is added between conductive body and battery case, until thermosetting resin is full of heat carrier and electricity
Space between the shell of pond.
The beneficial effect of this base case is: this programme will be between polar plate group and battery case by setting heat carrier
Space is divided into two sealing spaces, and the sealing space close to polar plate group is sealed with paraffin, close to the sealing of battery case
Space is sealed with thermosetting resin, realizes the dual-seal of polar plate group, and sealing effect is good.
The side wall of heat carrier is equipped with electric heating wire, is heated, is made to paraffin by electric heating wire when paraffin is added
Paraffin is in fluid state in the filling process, is full of entire sealing space convenient for paraffin.
The heat of paraffin passes to thermosetting resin by heat carrier when thermosetting resin is added, thermosetting resin be heated by
Gradually solidify, paraffin loses heat and gradually solidifies, and the rapid curing of thermosetting resin is realized using the heat of internal system, is compared
It is heating and curing in outside, this programme has saved the energy.
Further, the heat carrier is made of aluminium alloy, and the good heat conductivity of aluminium alloy can guarantee paraffin and thermosetting property
Heat transmitting between resin.
Further, the electric heating wire is spiral helicine is arranged on the side wall of heat carrier.So set, both can guarantee electricity
The electrically heated uniformity of heater strip, moreover it is possible to save the cost.
Further, upper lid be equipped with first charging aperture, the first discharge port, second charging aperture and the second discharge port, first into
Material mouth and second charging aperture are one group of edge for being set to upper cover, and the first discharge port and the second discharge port are one group and are set to
The diagonal angle of first charging aperture is covered, the space of first charging aperture and the first discharge port between pressure cell and heat carrier connects
Logical, second charging aperture is connected to space of second discharge port between battery case and heat carrier.So set, by will be into
Material mouth and discharge port setting can guarantee that paraffin and thermosetting resin are complete when injecting paraffin or thermosetting resin in two diagonal angles
The full space for being full of heat carrier two sides.
Further, the heating temperature of electric heating wire is 50-60 degree in step (4), and the temperature of the range can guarantee paraffin
It is constantly in fluid state.
Further, the thermosetting resin in step (5) is phenolic resin, and curing agent is added in phenolic resin, described solid
Agent is Versamid, is easy to implement the rapid curing of thermosetting resin.
Detailed description of the invention
Fig. 1 is the vertical cross-sectional of battery in embodiment；
Fig. 2 is the cross-sectional view in Fig. 1 at A-A；
Fig. 3 is the top view of upper cover in embodiment.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
Description of symbols: upper cover 1, battery case 2, the first sealant 3, heat carrier 4, heater strip 5, the second sealant 6,
Electric conductor 7, electrical interface 8, polar plate group 9, pressure cell 10, second charging aperture 11, first charging aperture 12, liquid injection port 13, first discharge
The 14, second discharge port 15 of mouth.
A kind of encapsulating method of battery, as shown in Figure 1, Figure 2 and Figure 3, specific implementation process is as follows,
Polar plate group 9 is fixedly installed in pressure cell 10, pressure cell 10 is fixedly mounted in battery case 2, outside battery
Shell 2 and pressure cell 10 are the shell of rectangular-shape, and pressure cell 10 is mounted on the middle part of battery case 2, the every side of pressure cell 10
There are spacing between the inner wall of battery case 2 and corresponding thereto.
Heat carrier 4 is made, heat carrier 4 is the shell of the aluminum alloy material of rectangular-shape, and 4 both ends of heat carrier are spacious
Mouthful, heat carrier 4 is fixedly mounted in battery case 2, and make heat carrier 4 between pressure cell 10 and battery case 2, and lead
There are spacing between hot body 4 and pressure cell 10,2 inner wall of battery case, and the space between heat carrier 4 and pressure cell 10 is first
Sealing space, the space between heat carrier 4 and battery case 2 is the second sealing space, and heat carrier 4 is close to 109 side of pressure cell
Side wall be equipped with electric heating wire 5, electric heating wire 5 be class it is spiral helicine be arranged on 4 side wall of heat carrier, electric heating wire 5 it is upper
End is electrically connected with electric conductor 7.
Upper cover 1 is fixedly mounted on battery case 2, upper cover 1 can cover battery case 2 completely, and upper cover 1 with lead
Hot body 4,10 upper end of pressure cell are bonded completely, upper cover 1 and battery case 2, heat carrier 4, close with sealant between pressure cell 10
Envelope.The downside of upper cover 1 is equipped with the electrical interface 8 being electrically connected with electric conductor 7, and electrical interface 8 is for connecting external power supply.It is set in upper cover 1
There are first charging aperture 12, the first discharge port 14, second charging aperture 11 and the second discharge port 15, first charging aperture 12 and the second charging
Mouthfuls 11, which are set to the edge of upper cover 1, the first discharge port 14 and the second discharge port 15 for one group, is set in upper cover 1 for one group
The diagonal angle of one feed inlet 12, first charging aperture 12 are respectively positioned on above the first sealing space with the first discharge port 14 and connect with it
Logical, second charging aperture 11 is respectively positioned on above the second sealing space and communicates therewith with the second discharge port 15.It is offered in the middle part of upper cover 1
The liquid injection port 13 being connected to inside pressure cell 10, liquid injection port 13 is for adding electrolyte.
The paraffin of fluid state is added into first charging aperture 12, paraffin temperature is 50 degree, and paraffin enters the first sealing space
It is interior, while external power supply is connected at electrical interface 8, make 5 electrified regulation of electric heating wire, the heating temperature of electric heating wire 5 is 50-60
Degree, since the heating temperature of electric heating wire 5 is higher than melting point of paraffin wax, so that paraffin is located always between heat carrier 4 and polar plate group 9
In fluid state, paraffin is avoided also not begin to solidify full of the first sealing space, guarantees to fill completely in the first sealing space
Full paraffin stops addition paraffin, while taking external power supply away when paraffin is overflowed from the first discharge port 14, seal up first into
Material mouth 12 and the first discharge port 14, paraffin form the first sealant 3 in the first sealing space.
Then, the thermosetting resin of fluid state is added into second charging aperture 11, thermosetting resin is phenolic resin, thermosetting
Property resin in be added with curing agent, curing agent is Versamid, thermosetting resin enter the second sealing space in, work as thermosetting
Property resin when being overflowed from the second discharge port 15, stop heating thermosetting resin, seal second charging aperture 11 and the second discharge port 15；
The heat transfer of paraffin is to heat carrier 4 while adding thermosetting resin, and heat carrier 4 is by heat hull to thermosetting resin, heat
Thermosetting resin is heated gradually to be solidified, and paraffin loses heat and gradually solidifies.Thermosetting resin forms in the second sealing space
Two sealants 6.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific embodiment can be used for explaining the content of claim.
Claims (6)
1. the encapsulating method of battery, it is characterised in that: specific implementation process is as follows,
(1) polar plate group is fixedly installed in pressure cell, pressure cell is fixedly mounted in battery case, outside pressure cell and battery
There are spacing between shell；
(2) heat carrier is made, heat carrier is the shell with the open at both ends of battery case shape adaptation, and heat carrier is fixedly mounted
In battery case, and make heat carrier between pressure cell and battery case, heat carrier is on the side wall of pressure cell side
Equipped with electric heating wire；
(3) upper cover is sealed on battery case；
(4) electric heating wire be powered operation, between conductive body and pressure cell fill fluid state paraffin, electric heating wire to paraffin into
Row heating, makes paraffin keep fluid state, and paraffin is powered off full of electric heating wire after the space between heat carrier and pressure cell；
(5) thermosetting resin is added between conductive body and battery case, outside thermosetting resin is full of heat carrier and battery
Space between shell.
2. the encapsulating method of battery according to claim 1, it is characterised in that: the heat carrier is made of aluminium alloy.
3. the encapsulating method of battery according to claim 2, it is characterised in that: the electric heating wire is spiral helicine sets
It sets on the side wall of heat carrier.
4. the encapsulating method of battery according to claim 3, it is characterised in that: upper lid is equipped with first charging aperture, the
One discharge port, second charging aperture and the second discharge port, first charging aperture and second charging aperture are one group of corner for being set to upper cover
Place, the first discharge port and the second discharge port be one group and be set to the diagonal angle for covering first charging aperture, first charging aperture and the
Space of one discharge port between pressure cell and heat carrier is connected to, second charging aperture and the second discharge port with battery case and
Space connection between heat carrier.
5. the encapsulating method of battery according to claim 4, it is characterised in that: the heating of electric heating wire in step (4)
Temperature is 50-60 degree.
6. the encapsulating method of battery according to claim 5, it is characterised in that: the thermosetting resin in step (5) is
Phenolic resin, curing agent is added in phenolic resin, and the curing agent is Versamid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996364.8A CN109256500B (en) | 2018-08-29 | 2018-08-29 | Method for sealing secondary battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996364.8A CN109256500B (en) | 2018-08-29 | 2018-08-29 | Method for sealing secondary battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109256500A true CN109256500A (en) | 2019-01-22 |
| CN109256500B CN109256500B (en) | 2022-10-04 |
Family
ID=65048908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810996364.8A Active CN109256500B (en) | 2018-08-29 | 2018-08-29 | Method for sealing secondary battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109256500B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111081940A (en) * | 2020-01-09 | 2020-04-28 | 惠州亿纬锂能股份有限公司 | Battery box body structure, assembling and disassembling method thereof and storage battery |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109256500B (en) | 2022-10-04 |
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Application publication date: 20190122 Assignee: Guangzhou Zhuoyue Power Technology Co.,Ltd. Assignor: GUANGZHOU ZHUOYUE POWER NEW ENERGY Co.,Ltd. Contract record no.: X2023980048526 Denomination of invention: Sealing method for batteries Granted publication date: 20221004 License type: Common License Record date: 20231204 Application publication date: 20190122 Assignee: Guangzhou shunyao Energy Technology Co.,Ltd. Assignor: GUANGZHOU ZHUOYUE POWER NEW ENERGY Co.,Ltd. Contract record no.: X2023980048519 Denomination of invention: Sealing method for batteries Granted publication date: 20221004 License type: Common License Record date: 20231204 |