CN108232309A - A kind of lithium ion battery baking fixture and its method - Google Patents
A kind of lithium ion battery baking fixture and its method Download PDFInfo
- Publication number
- CN108232309A CN108232309A CN201711309393.4A CN201711309393A CN108232309A CN 108232309 A CN108232309 A CN 108232309A CN 201711309393 A CN201711309393 A CN 201711309393A CN 108232309 A CN108232309 A CN 108232309A
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- China
- Prior art keywords
- heat
- guide rod
- conducting block
- lithium ion
- ion battery
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- 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
-
- 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
-
- 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 invention belongs to lithium ion battery production technical fields, more particularly to a kind of lithium ion battery baking fixture, including the first guide rod, the second guide rod, the first thermocouple for being built in the first guide rod, the second thermocouple for being built in the second guide rod, several first heat-conducting blocks being set on the first guide rod and several second heat-conducting blocks being set on the second guide rod, first heat-conducting block and second heat-conducting block are respectively arranged at the two sides of cell polar ear.Compared with the prior art, baking fixture of the invention is simple in structure, easy to operate, and heat-conducting effect is good, so as to quickly carry out heating, drying to pole piece, improves battery core drying efficiency.In addition, the present invention also provides a kind of lithium ion battery baking method, the drying efficiency of battery core is greatly improved, reduces energy consumption.
Description
Technical field
The invention belongs to lithium ion battery production technical field more particularly to a kind of lithium ion battery baking fixture and its sides
Method.
Background technology
Lithium ion battery is with energy density is big, output power is high, charge discharge life is long, pollution-free, operating temperature range
Many advantages, such as wide and self discharge is small, is widely used in all kinds of portable electronic devices.
During the flexible packing lithium ion battery manufacturing, after battery core completes encapsulation, need to carry out at drying before fluid injection
It manages to ensure that battery core internal moisture reaches certain level（Water content is less than 200ppm）.Traditional method is mainly dried by vacuum
Roasting mode realizes the reduction of water content, but vacuum bakeout needs to consume a large amount of time and heat and can realize battery
Moisture reduce.In order to accelerate to toast speed, heat block, the heat of heat block are now added on the two sides of battery core main body in the art
It passes sequentially through aluminum plastic film and isolation film is transmitted to pole piece.Compared to vacuum bakeout, the program is fast from baking is accelerated to a certain degree
Rate, but heat is also needed during being transmitted to pole piece from heat block by aluminum plastic film and isolation film, this can cause disappearing for heat
Consumption so that energy utilization rate is low.
In view of this, the prior art is solved it is necessory to provide a kind of new lithium ion battery baking fixture and its method
The problem of.
Invention content
It is an object of the present invention to：In view of the deficiencies of the prior art, a kind of lithium ion battery baking fixture is provided,
The baking fixture can rapidly heat pole piece, promote battery core baking efficiency, reduce energy consumption.
To achieve these goals, the present invention uses following technical scheme：
A kind of lithium ion battery baking fixture, including the first guide rod, the second guide rod, the first thermocouple for being built in the first guide rod,
It is built in the second thermocouple of the second guide rod, several first heat-conducting blocks being set on the first guide rod and is set to the second guide rod
On several second heat-conducting blocks, first heat-conducting block and second heat-conducting block are respectively arranged at the two sides of cell polar ear.
Compared with the prior art, baking fixture of the invention is simple in structure, easy to operate, and heat-conducting effect is good, so as to
Can heating, drying quickly be carried out to pole piece, improve battery core drying efficiency.
As a kind of improvement of lithium ion battery baking fixture of the present invention, first heat-conducting block is heat-conducting metal
Or heat conductive silica gel.
As a kind of improvement of lithium ion battery baking fixture of the present invention, second heat-conducting block is heat-conducting metal
Or heat conductive silica gel.
As a kind of improvement of lithium ion battery baking fixture of the present invention, the length of first heat-conducting block is longer than
Side of the anode ear far from negative electrode lug is to the distance of side of the negative electrode lug far from anode ear.
As a kind of improvement of lithium ion battery baking fixture of the present invention, the length of second heat-conducting block is longer than
Side of the anode ear far from negative electrode lug is to the distance of side of the negative electrode lug far from anode ear.
As a kind of improvement of lithium ion battery baking fixture of the present invention, first guide rod and described second is led
Bar is set up in parallel.
It is another object of the present invention to provide a kind of lithium ion battery baking methods, include the following steps：
Step 1 pushes the first guide rod and the second guide rod, and the first heat-conducting block and the second heat-conducting block is driven to be moved towards close to lug direction
Dynamic, the first heat-conducting block and the second heat-conducting block fit in the two sides of lug respectively；
The first thermocouple and the second thermocouple are connected respectively for step 2, and the heat of the first thermocouple is conducted to the first heat-conducting block,
The heat of second thermocouple is conducted to the second heat-conducting block, and heat is conducted to lug, lug by the first heat-conducting block and the second heat-conducting block
Metal foil heat being conducted to again inside battery core, realizes and gives battery core Baking out.
As a kind of improvement of lithium ion battery baking method of the present invention, in step 2, by adjusting first
Thermocouple and the second thermocouple change baking temperature.
As a kind of improvement of lithium ion battery baking method of the present invention, the baking temperature is 20 ~ 180 DEG C.
Traditional vacuum bakeout generally requires 24 hours or so, carries out baking to battery core main body by heat block and generally requires
20 ~ 60min, as long as and the present invention 5 ~ 15min of baking method i.e. can reach target, this is because the present invention heat transfer not
It needs through isolation film and aluminum plastic film, is that pole piece is directly transferred to by lug.Therefore, compared with the prior art, it is of the invention
Baking method can greatly improve the drying efficiency of battery core, reduce energy consumption.
Description of the drawings
Fig. 1 is one of structure diagram of the present invention.
Fig. 2 is the second structural representation of the present invention.
Fig. 3 is the third structural representation of the present invention.
Fig. 4 is the four of the structure diagram of the present invention.
Fig. 5 be in the present invention battery core internal temperature of embodiment 2 and comparative example 1 with the change curve of heating time.
Wherein：The first guide rods of 1-, the second guide rods of 2-, the first thermocouples of 3-, the second thermocouples of 4-, the first heat-conducting blocks of 5-, 6-
Second heat-conducting block, 7- battery cores, 8- lugs.
Specific embodiment
With reference to embodiment and Figure of description, the present invention is described in further detail, but the present invention
Embodiment be not limited to this.
Embodiment 1
As shown in Fig. 1 ~ 4, a kind of lithium ion battery baking fixture including the first guide rod 1, the second guide rod 2, is built in the first guide rod
1 the first thermocouple 3, the second thermocouple 4 for being built in the second guide rod 2, several first heat-conducting blocks being set on the first guide rod 1
5 and several second heat-conducting blocks 6 for being set on the second guide rod 2, the first heat-conducting block 5 and the second heat-conducting block 6 are respectively arranged at electricity
The two sides of the lug 8 of core 7.
Further, the first heat-conducting block 5 is heat-conducting metal or heat conductive silica gel.
Further, the second heat-conducting block 6 is heat-conducting metal or heat conductive silica gel.
Further, the length of the first heat-conducting block 5 is longer than side of the anode ear far from negative electrode lug to negative electrode lug far from anode
The distance of the side of ear.
Further, the length of the second heat-conducting block 6 is longer than side of the anode ear far from negative electrode lug to negative electrode lug far from anode
The distance of the side of ear.
Further, the first guide rod 1 and the second guide rod 2 are set up in parallel.
Embodiment 2
The present embodiment provides a kind of lithium ion battery baking methods, include the following steps：
Step 1 pushes the first guide rod 1 and the second guide rod 2, drives the first heat-conducting block 5 and the second heat-conducting block 6 towards close to 8 side of lug
To movement, the first heat-conducting block 5 and the second heat-conducting block 6 fit in the two sides of lug 8 respectively；
The first thermocouple 3 and the second thermocouple 4 are connected respectively for step 2, adjust the first thermocouple 3 and the second thermocouple 4 with
Change baking temperature, baking temperature is 20 ~ 180 DEG C, and the heat of the first thermocouple 3 is conducted to the first heat-conducting block 5, the second thermocouple
4 heat is conducted to the second heat-conducting block 6, and heat is conducted to lug 8 by the first heat-conducting block 5 and the second heat-conducting block 6, and lug 8 will be warm
Amount is conducted to the metal foil inside battery core 7 again, realizes and gives battery core 7 Baking out.
Comparative example 1
This comparative example provides a kind of lithium ion battery baking method, includes the following steps：
Step 1 adds heat block on the two sides of battery core main body, and adjusting the temperature of heat block makes baking temperature reach 20 ~ 180 DEG C；
Step 2, heat block first transfer heat to aluminum plastic film, then pass to isolation film and be ultimately transferred to pole piece, realize to battery core
Baking out.
It measures embodiment 2 and 1 battery core internal temperature of comparative example is as shown in Figure 5 with the change curve of heating time.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention also are able to above-mentioned embodiment party
Formula is changed and is changed.Therefore, the invention is not limited in above-mentioned specific embodiment, every those skilled in the art exist
Made any conspicuously improved, replacement or modification all belong to the scope of protection of the present invention on the basis of the present invention.This
Outside, although having used some specific terms in this specification, these terms merely for convenience of description, not to the present invention
Form any restrictions.
Claims (9)
1. a kind of lithium ion battery baking fixture, it is characterised in that：Including the first guide rod, the second guide rod, it is built in the first guide rod
The first thermocouple, the second thermocouple for being built in the second guide rod, several first heat-conducting blocks for being set on the first guide rod and
Several second heat-conducting blocks being set on the second guide rod, first heat-conducting block and second heat-conducting block are respectively arranged at battery core
The two sides of lug.
2. lithium ion battery baking fixture according to claim 1, it is characterised in that：First heat-conducting block is heat conduction gold
Category or heat conductive silica gel.
3. lithium ion battery baking fixture according to claim 1, it is characterised in that：Second heat-conducting block is heat conduction gold
Category or heat conductive silica gel.
4. lithium ion battery baking fixture according to claim 1, it is characterised in that：The length of first heat-conducting block is long
Distance in side of the anode ear far from negative electrode lug to side of the negative electrode lug far from anode ear.
5. lithium ion battery baking fixture according to claim 1, it is characterised in that：The length of second heat-conducting block is long
Distance in side of the anode ear far from negative electrode lug to side of the negative electrode lug far from anode ear.
6. lithium ion battery baking fixture according to claim 1, it is characterised in that：First guide rod and described second
Guide rod is set up in parallel.
7. a kind of lithium ion battery baking method, which is characterized in that include the following steps：
Step 1 pushes the first guide rod and the second guide rod, and the first heat-conducting block and the second heat-conducting block is driven to be moved towards close to lug direction
Dynamic, the first heat-conducting block and the second heat-conducting block fit in the two sides of lug respectively；
The first thermocouple and the second thermocouple are connected respectively for step 2, and the heat of the first thermocouple is conducted to the first heat-conducting block,
The heat of second thermocouple is conducted to the second heat-conducting block, and heat is conducted to lug, lug by the first heat-conducting block and the second heat-conducting block
Metal foil heat being conducted to again inside battery core, realizes and gives battery core Baking out.
8. lithium ion battery baking method according to claim 7, it is characterised in that：In step 2, by adjusting the
One thermocouple and the second thermocouple change baking temperature.
9. lithium ion battery baking method according to claim 8, it is characterised in that：The baking temperature is 20 ~ 180
℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711309393.4A CN108232309B (en) | 2017-12-11 | 2017-12-11 | A kind of lithium ion battery baking fixture and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711309393.4A CN108232309B (en) | 2017-12-11 | 2017-12-11 | A kind of lithium ion battery baking fixture and its method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108232309A true CN108232309A (en) | 2018-06-29 |
| CN108232309B CN108232309B (en) | 2019-09-17 |
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ID=62649363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711309393.4A Active CN108232309B (en) | 2017-12-11 | 2017-12-11 | A kind of lithium ion battery baking fixture and its method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001307777A (en) * | 2000-04-19 | 2001-11-02 | Dainippon Printing Co Ltd | Method of sealing tab portion of lithium ion battery |
| CN202503076U (en) * | 2012-02-16 | 2012-10-24 | 深圳格林德能源有限公司 | Flexible package polymer lithium ion battery and conjoined formation fixture thereof |
| CN103811817A (en) * | 2014-02-12 | 2014-05-21 | 宁德新能源科技有限公司 | Lithium ion battery hot-press formation clamp |
| CN204880998U (en) * | 2015-07-31 | 2015-12-16 | 东莞市利赛奥新能源科技有限公司 | Battery toasts case |
| CN205505679U (en) * | 2016-03-04 | 2016-08-24 | 深圳市瑞昇新能源科技有限公司 | Battery toasts equipment and battery heating device thereof |
| CN107219817A (en) * | 2017-07-21 | 2017-09-29 | 浙江杭可科技股份有限公司 | Cylinder mode hot pressing battery formation clamp system |
-
2017
- 2017-12-11 CN CN201711309393.4A patent/CN108232309B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001307777A (en) * | 2000-04-19 | 2001-11-02 | Dainippon Printing Co Ltd | Method of sealing tab portion of lithium ion battery |
| CN202503076U (en) * | 2012-02-16 | 2012-10-24 | 深圳格林德能源有限公司 | Flexible package polymer lithium ion battery and conjoined formation fixture thereof |
| CN103811817A (en) * | 2014-02-12 | 2014-05-21 | 宁德新能源科技有限公司 | Lithium ion battery hot-press formation clamp |
| CN204880998U (en) * | 2015-07-31 | 2015-12-16 | 东莞市利赛奥新能源科技有限公司 | Battery toasts case |
| CN205505679U (en) * | 2016-03-04 | 2016-08-24 | 深圳市瑞昇新能源科技有限公司 | Battery toasts equipment and battery heating device thereof |
| CN107219817A (en) * | 2017-07-21 | 2017-09-29 | 浙江杭可科技股份有限公司 | Cylinder mode hot pressing battery formation clamp system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108232309B (en) | 2019-09-17 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Lithium ion battery baking fixture and method thereof Effective date of registration: 20210729 Granted publication date: 20190917 Pledgee: Bank of Changsha Co.,Ltd. Zhuzhou branch Pledgor: HUNAN LIFANG NEW ENERGY SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2021980007086 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230208 Granted publication date: 20190917 Pledgee: Bank of Changsha Co.,Ltd. Zhuzhou branch Pledgor: HUNAN LIFANG NEW ENERGY SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2021980007086 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A lithium ion battery baking fixture and its method Effective date of registration: 20230829 Granted publication date: 20190917 Pledgee: Agricultural Bank of China Limited Zhuzhou branch Pledgor: HUNAN LIFANG NEW ENERGY SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2023980054119 |