CN106159334B - Battery apparatus for baking and method - Google Patents
Battery apparatus for baking and method Download PDFInfo
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- CN106159334B CN106159334B CN201610640241.1A CN201610640241A CN106159334B CN 106159334 B CN106159334 B CN 106159334B CN 201610640241 A CN201610640241 A CN 201610640241A CN 106159334 B CN106159334 B CN 106159334B
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 52
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 238000007600 charging Methods 0.000 claims description 14
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 20
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 238000002347 injection Methods 0.000 abstract description 9
- 239000007924 injection Substances 0.000 abstract description 9
- 238000001035 drying Methods 0.000 abstract description 8
- 230000007423 decrease Effects 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 description 39
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000011156 evaluation Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000012546 transfer Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010281 constant-current constant-voltage charging Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 206010016766 flatulence Diseases 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 238000012360 testing method Methods 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to a kind of battery apparatus for baking and method, which includes: cavity and at least one sealing structure within the cavity；Hot wind is connected in cavity；Sealing structure is used to seal the opening portion of battery to be injected；The outer wall that hot wind is used to treat intercell is heated.Battery apparatus for baking provided in an embodiment of the present invention and method, the opening portion of battery to be injected is sealed by sealing structure, it is heated by leading to hot wind in the outside of battery to be injected to battery surface, so even if the gas of inside battery is vacuumized, temperature in battery will not sharply decline, the influence to battery drying temperature is reduced, the continuous heating to battery is realized.Therefore battery apparatus for baking provided in an embodiment of the present invention and method are used, it is small to the energy consumption dried before lithium ion battery liquid injection, it is high-efficient, it greatly reduces the baking time of battery and reduces the water content of battery.
Description
Technical field
The present invention relates to battery manufacturing field more particularly to a kind of battery apparatus for baking and methods.
Background technique
Lithium ion battery is derived from the application of 3C number class mobile power source, as the development and the common people of social economy are to environment
The concern of situation, application of the lithium ion battery on new-energy automobile gradually by social concerns, however New Energy Industry very much not
It can mention in the same breath with 3C number class power supply, lithium ion battery procedure for producing technique stream is given in the sharply amplification of lithium ion manufacturer production capacity
Journey brings new challenge, while consistency, high circulation service life applied to lithium ion battery on new-energy automobile etc. is again to lithium
The preparation process control of ion battery proposes new challenge.
Lithium ion battery is very sensitive to moisture, and water will cause internal production in battery use process in inside lithium ion cell
Raw a series of side reaction, and then lead to battery flatulence, electrical property decline, continuation of the journey life time decay, inside battery water content is irregular
It is uneven, and then cause battery consistency poor, and then influence use of the lithium ion battery in automobile batteries packet.
To solve this problem, existing lithium ion battery preparation process can carry out moisture baking to battery before battery liquid-filling,
However traditional roasting mode is that battery in batches into drying oven, is integrally heated non-intercell batch stacking to, this engineering
Mostly to pass through 8h or more, and battery is that batch enters, batch takes out, however the battery liquid-filling of subsequent handling is streamlined in the process
The case where operation, baked battery has water suction again in the waiting process of fluid injection, the one of battery is toasted using such mode
Cause property is difficult to ensure；And battery is integrally heated in cabinet, the heating of battery is added by gas in outside batteries cabinet
After heat heating, heat transfer heats battery, but if extracts the gas component of outside batteries out cabinet, case using vacuum
Body temperature can sharply decline, and then influence the temperature of battery.If not vacuumizing and will lead to the water that inside battery is baked out
Divide to be taken away in time, and baking is not achieved and drops low-moisture purpose.It is all energy consumption is high using existing heated baking mode and
Inefficiency.
Summary of the invention
The technical problem to be solved by the present invention is to how provide a kind of baking time and reduction that can reduce battery
The battery apparatus for baking of battery water content.
For this purpose, the invention proposes a kind of battery apparatus for baking, comprising:
Cavity and be located at least one intracorporal sealing structure of the chamber；
Hot wind is connected in the cavity；
The sealing structure is used to seal the opening portion of battery to be injected；
The hot wind is for heating the outer wall of the battery to be injected.
Preferably, the battery apparatus for baking further include:
The air extractor and air charging system being connect with the sealing structure；
The air extractor is for vacuumizing the inside of the battery to be injected；
The air charging system is used to be filled with dry gas to the inside of the battery to be injected.
Preferably, the battery apparatus for baking further include:
The preheating device being connected between the air charging system and sealing structure；
The preheating device makes the temperature of the dry gas for preheating the dry gas for being filled with inside battery to be injected
It is less than preset value with the absolute value of the temperature difference of the battery to be injected.
Preferably, the sealing structure is multiple, is connected between the multiple sealing structure by bracket.
Preferably, the cavity is turntable structure, and the battery to be injected is located at the inside of the turntable structure, described turn
The rotation of dish structure drives the battery to be injected to be moved to lower discharge position by upper discharge position.
On the other hand, battery is carried out using battery apparatus for baking described in any one of the above the present invention also provides a kind of
The method of baking, this method comprises:
The opening portion of battery to be injected is sealed by the sealing structure；
The battery to be injected after sealing is placed in the cavity；
It is passed through hot wind in the cavity, the outer wall of the battery to be injected is heated.
Preferably, this method further include:
It is vacuumized by inside of the air extractor to the battery to be injected；
After vacuumizing, dry gas is filled with to the inside of the battery to be injected by air charging system；
Repeatedly vacuumized and be filled with dry gas operation.
Preferably, this method further include:
The dry gas for being filled with the sealing structure is preheated by preheating device.
Preferably, this method further include:
After the completion of baking, the sealing structure is separated with the battery；
New battery to be injected is sealed using the sealing structure.
Preferably, this method further include:
Battery to be injected is sent to the upper discharge position of the apparatus for baking by drawstring；
By the rotation of the apparatus for baking, the battery to be injected at upper discharge position is moved to the apparatus for baking
Lower discharge position.
The opening portion of battery to be injected is passed through sealing structure by battery apparatus for baking provided in an embodiment of the present invention and method
It is sealed, is heated by leading to hot wind in the outside of battery to be injected to battery surface, so even if by the gas of inside battery
It vacuumizes, the temperature in battery will not sharply decline, and reduce the influence to battery drying temperature, realize and hold to battery
Continuous heating, therefore use battery apparatus for baking provided in an embodiment of the present invention and method, to being dried before lithium ion battery liquid injection
Dry energy consumption is small, high-efficient, greatly reduces the baking time of battery and reduces the water content of battery.
Detailed description of the invention
The features and advantages of the present invention will be more clearly understood by referring to the accompanying drawings, and attached drawing is schematically without that should manage
Solution is carries out any restrictions to the present invention, in the accompanying drawings:
Fig. 1 is the structural schematic diagram of battery apparatus for baking provided in an embodiment of the present invention；
Fig. 2 provides the structural schematic diagram of sealing structure for the embodiment of the present invention；
Fig. 3 be another embodiment of the present invention provides battery apparatus for baking structural schematic diagram；
Fig. 4 is the flow diagram of battery baking method provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with attached drawing, embodiments of the present invention is described in detail.
Inside battery moisture content is the parameter index of all lithium ion battery preparation manufacturer's strict controls, any moisture
Introducing can all cause inner pressure of battery excessive to cause security risk, however moisture controls always in lithium ion battery manufacturing process
It is a difficult point, especially inside lithium ion cell is compact-sized, and anode, cathode and diaphragm fit closely, and further increases
Its internal moisture is baked out the difficulty come.
In view of the above-mentioned problems, as shown in Figure 1, the embodiment of the invention provides a kind of battery apparatus for baking, which includes:
Cavity 1 and at least one sealing structure 2 in the cavity 1；Hot wind is connected in the cavity 1；The sealing structure 2 is used
In the opening portion for sealing battery 5 to be injected；The hot wind 3 is for heating the outer wall of the battery 5 to be injected.
Specifically, the hot wind 3 can be thermal cycle wind, 2 pairs of single batteries of sealing structure are individually sealed, sealing structure
2 and battery to be injected 5 be integrally placed in the closed cavity 1 with thermal cycle wind, battery to be injected 5 and external 1 phase of cavity
To independence, there is no substance transfers between battery 5 and cavity 1 to be injected, and there is only heat to transmit.Thermal cycle wind is in electricity to be injected
The outer wall that intercell 5 is treated on the outside of pond 5 is heated, the inside without entering the battery to be injected 5 sealed.
Battery apparatus for baking provided in an embodiment of the present invention is carried out by sealing structure the opening portion of battery to be injected close
Envelope is heated by leading to hot wind in the outside of battery to be injected to battery surface, so even if the gas of inside battery is vacuumized,
Temperature in battery will not sharply decline, and reduce the influence to battery drying temperature, realize the continuous heating to battery,
Therefore battery apparatus for baking provided in an embodiment of the present invention and method are used, to the energy consumption dried before lithium ion battery liquid injection
It is small, it is high-efficient, it greatly reduces the baking time of battery and reduces the water content of battery.
On the basis of the above embodiments, it is preferred that battery apparatus for baking provided in an embodiment of the present invention further include: with institute
State the air extractor and air charging system of the connection of sealing structure 2；
The air extractor is for vacuumizing the inside of the battery 5 to be injected；
The air charging system is used to be filled with dry gas to the inside of the battery 5 to be injected.
As shown in Fig. 2, the sealing structure 2 includes seal head 23 and the sealing ring for connecting seal head 23 and battery 5 to be injected
24, wherein be equipped with vacuum lead 21 and dry feed channel 22 in seal head 23, air extractor can be with by vacuum lead 21
The gas that steam is had in battery 5 to be injected is taken away, air charging system passes through dry feed channel 22 can be into battery 5 to be injected
It is filled with dry gas, adsorbs a part of steam.Air extractor and the relatively independent work of air charging system were completely toasted at one
Cheng Zhong may be implemented to take away the moisture of inside battery by vacuumizing and filling the multiple switching of dry gas.
The embodiment of the present invention can take the gas in battery 5 to be injected away by air extractor, take away a part of steam,
It is vacuumized again by being filled with dry gas, with this, repeatedly circulation can in time be taken away the moisture baked out, accelerate the drying of battery
Speed, although the temperature in battery 5 to be injected can be reduced using air extractor, since the embodiment of the present invention is in electricity to be injected
The periphery in pond 5 is connected with hot gas, therefore reduces shadow when air extractor takes the gas in battery 5 to be injected away to battery temperature
It rings, further improve the drying efficiency of battery and reduces the water content of battery.
On the basis of the above embodiments, battery apparatus for baking provided in an embodiment of the present invention further include:
The preheating device being connected between the air charging system and sealing structure 2；
The preheating device makes the temperature of the dry gas for preheating the dry gas being filled with inside battery 5 to be injected
The absolute value of degree and the temperature difference of the battery 5 to be injected is less than preset value.
It should be noted that the temperature of battery can be reduced since air extractor vacuumizes the gas in battery 5 to be injected,
It is advantageous to scheme, when vacuumizing to reduce, influence to battery temperature carries out gas when being filled with dry gas
Preheating, makes the temperature for the dry gas being filled with further decrease the influence to battery temperature close to the temperature of battery.
As shown in Figure 1, the sealing structure 2 of battery apparatus for baking provided in an embodiment of the present invention be it is multiple, it is the multiple close
It is connected between seal structure 2 by bracket 4.
Wherein, bracket 4 connects the seal head 23 of multiple sealing structures 2, bracket 4 can be set as chain structure (in this way so as to
It is located in turntable structure in it).More batteries can be set as one group by bracket 4, be conducive to pass through mechanical arm for one group of battery
Global transfer, setting bracket 4 can also be conducive to the transfer of single battery.
In addition, passing through the reciprocating motion of bracket 4, may be implemented inside entire apparatus for baking back and forth to follow sealing structure 2
Ring utilizes, when there is new battery to be injected 5 to enter, sealing structure 2 by this new sealing of battery to be injected 5 and in company with it is new to
Intercell 5 completes entire baking process together, and after battery is completed to toast, sealing structure 2 and battery 5 to be injected are detached from, and
The position that loopy moving is packed into new 5 battery of battery to be injected, the sealing for new battery.
As shown in figure 3, the cavity 1 of battery apparatus for baking provided by the above embodiment is turntable structure, the electricity to be injected
Pond 5 is located at the inside of the turntable structure, and the rotation of the turntable structure drives the battery 5 to be injected to be moved by upper discharge position
To lower discharge position.Wherein, bracket 4 can be placed in turntable structure, by the sealing structure of multiple batteries 5 to be injected in turntable structure
23 connect, and are one group conducive to multiple batteries 5 to be injected and are shifted.As shown in figure 3, can be by 2 batteries 5 to be injected
Seal head 23 is connected as one group, in transfer, can be realized simultaneously and shifts the two batteries 5 to be injected together.
Wherein, the upper discharge position of battery apparatus for baking, battery 5 to be injected are sent to from drawstring when new battery to be injected 5
It is transferred in turntable structure, and then opposing seal is carried out to each battery 5 to be injected by sealing structure 2, turntable structure
Surrounding is connected with thermal cycle wind, and the outer wall for treating intercell 5 is heated.As needed, turntable structure rotates a week
Phase has indicated an entire flow of the drying of battery pair, and when battery 5 to be injected rotates to lower discharge position, battery is from turntable knot
Automatic flow is transferred on drawstring in structure to next station.Wherein, transferring battery to can be by automatic in turntable structure
The mode of transfer, such as by mechanical arm by battery transfer on drawstring to turntable structure etc..Therefore, the embodiment of the present invention provides
Battery apparatus for baking may be implemented to complete entire baking process under continous way flow line production.
On the other hand, as shown in figure 4, the embodiment of the invention also provides a kind of using provided by the above embodiment any one
The method that kind battery apparatus for baking carries out battery baking, this method comprises:
S1: the opening portion of battery to be injected is sealed by the sealing structure；
S2: the battery to be injected after sealing is placed in the cavity；
S3: being passed through hot wind in the cavity, heats to the outer wall of the battery to be injected.
Battery baking method provided in an embodiment of the present invention is carried out by sealing structure the opening portion of battery to be injected close
Envelope is heated by leading to hot wind in the outside of battery to be injected to battery surface, so even if the gas of inside battery is vacuumized,
Temperature in battery will not sharply decline, and reduce the influence to battery drying temperature, realize the continuous heating to battery,
Therefore battery apparatus for baking provided in an embodiment of the present invention and method are used, to the energy consumption dried before lithium ion battery liquid injection
It is small, it is high-efficient, it greatly reduces the baking time of battery and reduces the water content of battery.
On the basis of the above embodiments, the embodiment of the present invention provides battery baking method further include:
It is vacuumized by inside of the air extractor to the battery to be injected；
After vacuumizing, dry gas is filled with to the inside of the battery to be injected by air charging system；
Repeatedly vacuumized and be filled with dry gas operation.
Preferably, battery baking method provided in an embodiment of the present invention further include:
The dry gas for being filled with the sealing structure is preheated by preheating device.
Preferably, this method further include:
After the completion of baking, the sealing structure is separated with the battery；
New battery to be injected is sealed using the sealing structure.
Preferably, this method further include:
Battery to be injected is sent to the upper discharge position of the apparatus for baking by drawstring；
By the rotation of the apparatus for baking, the battery to be injected at upper discharge position is moved to the apparatus for baking
Lower discharge position.
To make those skilled in the art more fully understand implementation result of the invention, below to battery provided by the invention
The effect of apparatus for baking compares description.The actual effect of the specific battery for combining preparation, to using above-mentioned apparatus for baking
The actual effect of production battery is introduced.
Comparative example 1
Battery before fluid injection is toasted using apparatus for baking provided in an embodiment of the present invention, Flue curing parameter uses 8h, mistake
Journey interval 30min is vacuumized and is filled the switching of dry gas, and battery is used for experimental evaluation after baking；
Specific evaluation measures:
1, dismantling battery tests the water content of positive plate, negative electrode tab respectively, using karl Fischer moisture tester to sample
It is tested；
2, subsequent production is carried out to 1000pcs battery and the chemical property of battery is counted by statistics gimmick；Specifically
It is as follows:
By above-mentioned lithium ion battery with 0.1C constant-current constant-voltage charging to full piezoelectric voltage 3.6V, when cut-off current 0.01C
Capacity is calculated as C0, and battery is shelved 5min, is calculated as C1 using the capacity of 1C constant-current discharge to 2.0V.C1 is calculated as the capacity of battery,
The ratio of C1/C0 is calculated as the first charge discharge efficiency of battery.
3, subsequent production is carried out to battery, cured effect is compared by the cycle life of control cell；It is specific as follows: will be upper
Battery carries out charge and discharge cycles, the 1C discharge capacity of a certain circulation and the 4th circulation with the multiplying power of 1C after the lithium ion chemical conversion stated
The ratio between discharge capacity be referred to as the capacity retention ratio after a certain circulation of lithium ion battery, capacity of lithium ion battery conservation rate is
Circulating cycle number when 80% is as the index for measuring cycle performance.
Comparative example 2
Battery before fluid injection is toasted using apparatus for baking provided by the invention, Flue curing parameter use 1h, interprocedual every
10min is vacuumized and is filled the switching of dry gas, and battery is used for experimental evaluation after baking；
Specific evaluation measures: with comparative example 1.
Comparative example 3
Battery before fluid injection is toasted using apparatus for baking provided in an embodiment of the present invention, Flue curing parameter uses 30min,
Interprocedual is vacuumized and is filled the switching of dry gas every 5min, and battery is used for experimental evaluation after baking；
Specific evaluation measures: with comparative example 1
Comparative example 4
Battery before fluid injection is toasted using traditional apparatus for baking, Flue curing parameter use 8h, interprocedual every 30min into
Row vacuumizes and fills the switching of dry gas, and battery is used for experimental evaluation after baking；
Specific evaluation measures: with comparative example 1
The moisture content tested after battery dismantling prepared by comparative example 1, comparative example 2, comparative example 3 and comparative example 4 is listed in down
Table.
Table 1: comparative example 1, comparative example 2, comparative example 3 and comparative example 4 prepare battery pole piece moisture
Content balance table
From table 1 it follows that the pole piece moisture content of comparative example 1 and comparative example 2 is close with comparative example 4, comparative example 3
Pole piece moisture content is apparently higher than comparative example 4.Comparative example 2 and comparative example 4 are compared as can be seen that using baking provided by the invention
Device is toasted, and baking 1h is the effect that can reach traditional roasting mode baking 8h, greatly improves baking efficiency.Comparison
Comparative example 1, comparative example 2 and comparative example 3 using apparatus for baking provided by the invention as can be seen that toasted, baking time 1h
Shi Jineng reaches preferably cured effect can greatly improve production efficiency again.
Battery performance and cycle performance prepared by comparative example 1, comparative example 2, comparative example 3 and comparative example 4 compares position
In following table.
Table 2: comparative example 1, comparative example 2, comparative example 3 and comparative example 4 prepare battery electrical property contrast table
From Table 2, it can be seen that comparative example 1, comparative example 2, charge efficiency and capacity are better than comparative example 3 and comparative example 4,
Cycle life quite but is substantially better than comparative example 3 with comparative example 4.
To sum up, battery apparatus for baking provided in an embodiment of the present invention, baking 1h can reach to be toasted with traditional roasting mode
The cured effect of 8h, it is even more excellent.Electricity with the lengthening of battery apparatus for baking baking time provided by the invention, after baking
Core moisture content reduce, electrical property and cycle performance it is more excellent, when baked between more than 1h after, moisture content and chemical property change
Kind amplitude reduces.
In specification of the invention, numerous specific details are set forth.Although it is understood that the embodiment of the present invention can
To practice without these specific details.In some instances, well known method, structure and skill is not been shown in detail
Art, so as not to obscure the understanding of this specification.Similarly, it should be understood that disclose in order to simplify the present invention and helps to understand respectively
One or more of a inventive aspect, in the above description of the exemplary embodiment of the present invention, each spy of the invention
Sign is grouped together into a single embodiment, figure, or description thereof sometimes.However, should not be by the method solution of the disclosure
It is interpreted into and reflects an intention that i.e. the claimed invention requires more than feature expressly recited in each claim
More features.More precisely, as the following claims reflect, inventive aspect is less than single reality disclosed above
Apply all features of example.Therefore, it then follows thus claims of specific embodiment are expressly incorporated in the specific embodiment,
It is wherein each that the claims themselves are regarded as separate embodiments of the invention.It should be noted that in the absence of conflict, this
The feature in embodiment and embodiment in application can be combined with each other.The invention is not limited to any single aspect,
It is not limited to any single embodiment, is also not limited to any combination and/or displacement of these aspects and/or embodiment.And
And can be used alone each aspect and/or embodiment of the invention or with other one or more aspects and/or its implementation
Example is used in combination.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.
Claims (7)
1. a kind of battery apparatus for baking characterized by comprising
Cavity and be located at least one intracorporal sealing structure of the chamber；
Hot wind is connected in the cavity；
The sealing structure is used to seal the opening portion of battery to be injected；
The hot wind is for heating the outer wall of the battery to be injected；
Further include:
The air extractor and air charging system being connect with the sealing structure；
The air extractor is for vacuumizing the inside of the battery to be injected；
The air charging system is used to be filled with dry gas to the inside of the battery to be injected；
The sealing structure be it is multiple, between the multiple sealing structure by bracket connection.
2. battery apparatus for baking according to claim 1, which is characterized in that further include:
The preheating device being connected between the air charging system and sealing structure；
The preheating device makes temperature and the institute of the dry gas for preheating the dry gas for being filled with inside battery to be injected
The absolute value for stating the temperature difference of battery to be injected is less than preset value.
3. battery apparatus for baking described in -2 any one according to claim 1, which is characterized in that the cavity is turntable knot
Structure, the battery to be injected are located at the inside of the turntable structure, and the rotation of the turntable structure drives the battery to be injected
Lower discharge position is moved to by upper discharge position.
4. a kind of method for carrying out battery baking using battery apparatus for baking described in claim 1-3 any one, feature
It is, comprising:
The opening portion of battery to be injected is sealed by the sealing structure；
The battery to be injected after sealing is placed in the cavity；
It is passed through hot wind in the cavity, the outer wall of the battery to be injected is heated；
Further include:
It is vacuumized by inside of the air extractor to the battery to be injected；
After vacuumizing, dry gas is filled with to the inside of the battery to be injected by air charging system；
Repeatedly vacuumized and be filled with dry gas operation.
5. according to the method described in claim 4, it is characterized by further comprising:
The dry gas for being filled with the sealing structure is preheated by preheating device.
6. according to the method described in claim 4, it is characterized by further comprising:
After the completion of baking, the sealing structure is separated with the battery；
New battery to be injected is sealed using the sealing structure.
7. according to the method described in claim 4, it is characterized by further comprising:
Battery to be injected is sent to the upper discharge position of the apparatus for baking by drawstring；
By the rotation of the apparatus for baking, the battery to be injected at upper discharge position is moved under the apparatus for baking
Discharge position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610640241.1A CN106159334B (en) | 2016-08-04 | 2016-08-04 | Battery apparatus for baking and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610640241.1A CN106159334B (en) | 2016-08-04 | 2016-08-04 | Battery apparatus for baking and method |
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| CN106159334A CN106159334A (en) | 2016-11-23 |
| CN106159334B true CN106159334B (en) | 2019-06-25 |
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| CN106816638B (en) * | 2017-03-02 | 2019-08-27 | 北京新能源汽车股份有限公司 | Baking method of soft package lithium ion battery cell and soft package lithium ion battery |
| CN107425216A (en) * | 2017-07-26 | 2017-12-01 | 成都特隆美储能技术有限公司 | A kind of battery core efficiently toasted and its baking method |
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| CN106159334A (en) | 2016-11-23 |
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