CN109705748A - A kind of attaching process of lithium battery terminal adhesive tape - Google Patents
A kind of attaching process of lithium battery terminal adhesive tape Download PDFInfo
- Publication number
- CN109705748A CN109705748A CN201811609074.XA CN201811609074A CN109705748A CN 109705748 A CN109705748 A CN 109705748A CN 201811609074 A CN201811609074 A CN 201811609074A CN 109705748 A CN109705748 A CN 109705748A
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- Prior art keywords
- parts
- lithium battery
- adhesive tape
- battery terminal
- terminal adhesive
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- 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
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- 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 discloses a kind of attaching process of lithium battery terminal adhesive tape, after being improved to the formula of lithium battery terminal adhesive tape, lithium battery terminal adhesive tape after not only covering improves in battery core corresponding position, also simultaneously by offering engaged burr slot and dimpled grain slot in positive and negative electrode on piece, then occlusal position is clamped with the diaphragm of the lithium battery terminal adhesive tape package after improving between positive and negative plate, to substantially increase the performances such as fire-retardant, heat-resisting of lithium battery.
Description
Technical field
The present invention relates to lithium battery technology field, specially a kind of attaching process of lithium battery terminal adhesive tape.
Background technique
Lithium battery is broadly divided into two classes: lithium metal battery and lithium ion battery.Lithium ion battery is without containing metallic state
Lithium, and can charge.5th generation product lithium metal battery of rechargeable battery was born in 1996, safety, ratio
Capacity, self-discharge rate and the ratio of performance to price are superior to lithium ion battery.Since the high-tech of its own requires limitation, now only
The company of a few countries is producing this lithium metal battery.Important link is to lithium electricity lithium battery in process of production
Corrosion-resistant, the flame retardant property of good insulation and fire-retardant and battery itself between the positive and negative anodes in pond.Application number:
Although CN201710137960.6 discloses a kind of attaching process of lithium battery terminal adhesive tape, matched by improving fire-retardant terminal adhesive tape
Side is combined improvement, improves the viscosity and tolerance battery fluid corrosive nature of fire-retardant terminal adhesive tape.But this lithium battery terminates
Adhesive tape one side flame retardant effect is not that very well, on the other hand its position being only arranged is battery core, so that positive and negative plate
Between may still result in mutually electric leakage or fever and damage, there are security risks, also need the production to lithium battery thus
Technique carries out research and development improvement.
Summary of the invention
The purpose of the present invention is to provide a kind of attaching process of lithium battery terminal adhesive tape, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of attaching process of lithium battery terminal adhesive tape, comprising the following steps:
Electrode slurry preparation: step 1 mainly mixes electrode active material, binder, solvent etc., sufficiently
After being dispersed with stirring, slurry is formed；
Step 2, coating: by the slurry of step 1 preparation with specified thickness even spread to collector (aluminium foil or copper foil
Deng) on, and dry out solvent；
Step 3, pole piece punching: the pole piece that previous step is made is punched into specified size shape；
Step 4, lamination: by positive/negative plate, stick lithium battery terminal adhesive tape package diaphragm, be assembled together, complete patch
After glue, pole piece is formed；
Step 5 assembles soft-package battery: the pole piece of previous step production being packed into the aluminum plastic film in made hole, and completes to push up
Envelope, side seal etc. (while staying a mouth fluid injection), and lithium battery terminal adhesive tape is sticked in corresponding position, form the Soft Roll electricity of non-fluid injection
Pond；
Step 6, fluid injection: by inside the electrolyte of specified amount injection soft pack cell (wherein battery core will through overbaking, and
Fluid injection operation is carried out under low-humidity environment, moisture content cannot be excessive)；
Cell sealing: gas inside battery core is extracted out in vacuum environment and completes to seal by step 7.
Preferably, in assembly, positive and negative plate is first all made of stamping equipment and has been pressed into burr slot and dimpled grain respectively
Then slot is placed between positive and negative plate preferably occlusion bonding assembly together in the diaphragm for wrapping up lithium battery terminal adhesive tape.
Preferably, the lithium battery terminal adhesive tape is composed of the following raw materials by weight: 18-26 parts of lauryl acid esters,
12-15 parts of epoxy resin, 12-16 parts of polyimides, acrylic acid double 3-6 parts of rouge anaerobic adhesives, 5-9 parts of neoprene, phenolic resin
8-11 parts, 6-9 parts of aziridine crosslinker, 9-13 parts of antimony oxide, 3-6 parts of eight bromo ether.
Preferably, the lithium battery terminal adhesive tape is composed of the following raw materials by weight: 22 parts of lauryl acid esters, epoxy
13 parts of resin, 14 parts of polyimides, double 4 parts of the rouge anaerobic adhesives of acrylic acid, 7 parts of neoprene, 9 parts of phenolic resin, aziridine crosslinking
7.5 parts of agent, 11 parts of antimony oxide, 4.5 parts of eight bromo ether.
Preferably, it is hemisphere burr that the positive plate, which adopts burr slot made of stamping equipment surface, and positive plate is all made of punching
Pressing dimpled grain slot made of equipment pressure surface is hemisphere groove.
Preferably, the hemisphere burr radius is 2mm, and the hemisphere groove radius is 2mm.
Preferably, the antimony oxide 1 and eight bromo ether mixture are added in screw extruder jointly, 170 DEG C~
178 DEG C of progress blending extrusions can be prepared by novel flame-retardant mixing material.
Compared with prior art, the beneficial effects of the present invention are: the attaching process structure of this lithium battery terminal adhesive tape is simple,
After improving to the formula of lithium battery terminal adhesive tape, the lithium battery after not only covering improves in battery core corresponding position is whole
Only adhesive tape, also simultaneously by offering engaged burr slot and dimpled grain slot in positive and negative electrode on piece, then in positive and negative plate
Between occlusal position be clamped with improve after lithium battery terminal adhesive tape package diaphragm, to substantially increase the resistance of lithium battery
The performances such as combustion, heat-resisting.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
The present invention provides following embodiment
Embodiment 1
A kind of attaching process of lithium battery terminal adhesive tape, comprising the following steps:
Electrode slurry preparation: step 1 mainly mixes electrode active material, binder, solvent etc., sufficiently
After being dispersed with stirring, slurry is formed；
Step 2, coating: by the slurry of step 1 preparation with specified thickness even spread to collector (aluminium foil or copper foil
Deng) on, and dry out solvent；
Step 3, pole piece punching: the pole piece that previous step is made is punched into specified size shape；
Step 4, lamination: by positive/negative plate, stick lithium battery terminal adhesive tape package diaphragm, be assembled together, complete patch
After glue, pole piece is formed；
Step 5 assembles soft-package battery: the pole piece of previous step production being packed into the aluminum plastic film in made hole, and completes to push up
Envelope, side seal etc. (while staying a mouth fluid injection), and lithium battery terminal adhesive tape is sticked in corresponding position, form the Soft Roll electricity of non-fluid injection
Pond；
Step 6, fluid injection: by inside the electrolyte of specified amount injection soft pack cell (wherein battery core will through overbaking, and
Fluid injection operation is carried out under low-humidity environment, moisture content cannot be excessive)；
Cell sealing: gas inside battery core is extracted out in vacuum environment and completes to seal by step 7.
Preferably, in assembly, positive and negative plate is first all made of stamping equipment and has been pressed into burr slot and dimpled grain respectively
Then slot is placed between positive and negative plate preferably occlusion bonding assembly together in the diaphragm for wrapping up lithium battery terminal adhesive tape.
Preferably, lithium battery terminal adhesive tape is composed of the following raw materials by weight: 18 parts of lauryl acid esters, epoxy resin
12 parts, 12 parts of polyimides, double 3 parts of the rouge anaerobic adhesives of acrylic acid, 5 parts of neoprene, 8 parts of phenolic resin, aziridine crosslinker 6
Part, 9 parts of antimony oxide, 3 parts of eight bromo ether.
Preferably, it is hemisphere burr that positive plate, which adopts burr slot made of stamping equipment surface, and positive plate is all made of punching press and sets
Dimpled grain slot made of standby pressure surface is hemisphere groove.
Preferably, hemisphere burr radius is 2mm, and hemisphere groove radius is 2mm.
Preferably, antimony oxide and eight bromo ether mixture are added in screw extruder jointly, are blended at 170 DEG C
Extrusion can be prepared by novel flame-retardant mixing material.
Embodiment 2
A kind of attaching process of lithium battery terminal adhesive tape, comprising the following steps:
Electrode slurry preparation: step 1 mainly mixes electrode active material, binder, solvent etc., sufficiently
After being dispersed with stirring, slurry is formed；
Step 2, coating: by the slurry of step 1 preparation with specified thickness even spread to collector (aluminium foil or copper foil
Deng) on, and dry out solvent；
Step 3, pole piece punching: the pole piece that previous step is made is punched into specified size shape；
Step 4, lamination: by positive/negative plate, stick lithium battery terminal adhesive tape package diaphragm, be assembled together, complete patch
After glue, pole piece is formed；
Step 5 assembles soft-package battery: the pole piece of previous step production being packed into the aluminum plastic film in made hole, and completes to push up
Envelope, side seal etc. (while staying a mouth fluid injection), and lithium battery terminal adhesive tape is sticked in corresponding position, form the Soft Roll electricity of non-fluid injection
Pond；
Step 6, fluid injection: by inside the electrolyte of specified amount injection soft pack cell (wherein battery core will through overbaking, and
Fluid injection operation is carried out under low-humidity environment, moisture content cannot be excessive)；
Cell sealing: gas inside battery core is extracted out in vacuum environment and completes to seal by step 7.
Preferably, in assembly, positive and negative plate is first all made of stamping equipment and has been pressed into burr slot and dimpled grain respectively
Then slot is placed between positive and negative plate preferably occlusion bonding assembly together in the diaphragm for wrapping up lithium battery terminal adhesive tape.
Preferably, lithium battery terminal adhesive tape is composed of the following raw materials by weight: 22 parts of lauryl acid esters, epoxy resin
13 parts, 14 parts of polyimides, double 4 parts of the rouge anaerobic adhesives of acrylic acid, 7 parts of neoprene, 9 parts of phenolic resin, aziridine crosslinker 7.5
Part, 11 parts of antimony oxide, 4.5 parts of eight bromo ether.
Preferably, it is hemisphere burr that positive plate, which adopts burr slot made of stamping equipment surface, and positive plate is all made of punching press and sets
Dimpled grain slot made of standby pressure surface is hemisphere groove.
Preferably, hemisphere burr radius is 2mm, and hemisphere groove radius is 2mm.
Preferably, antimony oxide and eight bromo ether mixture are added in screw extruder jointly, are blended at 175 DEG C
Extrusion can be prepared by novel flame-retardant mixing material.
Embodiment 3
A kind of attaching process of lithium battery terminal adhesive tape, comprising the following steps:
Electrode slurry preparation: step 1 mainly mixes electrode active material, binder, solvent etc., sufficiently
After being dispersed with stirring, slurry is formed；
Step 2, coating: by the slurry of step 1 preparation with specified thickness even spread to collector (aluminium foil or copper foil
Deng) on, and dry out solvent；
Step 3, pole piece punching: the pole piece that previous step is made is punched into specified size shape；
Step 4, lamination: by positive/negative plate, stick lithium battery terminal adhesive tape package diaphragm, be assembled together, complete patch
After glue, pole piece is formed；
Step 5 assembles soft-package battery: the pole piece of previous step production being packed into the aluminum plastic film in made hole, and completes to push up
Envelope, side seal etc. (while staying a mouth fluid injection), and lithium battery terminal adhesive tape is sticked in corresponding position, form the Soft Roll electricity of non-fluid injection
Pond；
Step 6, fluid injection: by inside the electrolyte of specified amount injection soft pack cell (wherein battery core will through overbaking, and
Fluid injection operation is carried out under low-humidity environment, moisture content cannot be excessive)；
Cell sealing: gas inside battery core is extracted out in vacuum environment and completes to seal by step 7.
Preferably, in assembly, positive and negative plate is first all made of stamping equipment and has been pressed into burr slot and dimpled grain respectively
Then slot is placed between positive and negative plate preferably occlusion bonding assembly together in the diaphragm for wrapping up lithium battery terminal adhesive tape.
Preferably, lithium battery terminal adhesive tape is composed of the following raw materials by weight: 26 parts of lauryl acid esters, epoxy resin
15 parts, 16 parts of polyimides, double 6 parts of the rouge anaerobic adhesives of acrylic acid, 9 parts of neoprene, 11 parts of phenolic resin, aziridine crosslinker 9
Part, 13 parts of antimony oxide, 6 parts of eight bromo ether.
Preferably, it is hemisphere burr that positive plate, which adopts burr slot made of stamping equipment surface, and positive plate is all made of punching press and sets
Dimpled grain slot made of standby pressure surface is hemisphere groove.
Preferably, hemisphere burr radius is 2mm, and hemisphere groove radius is 2mm.
Preferably, antimony oxide and eight bromo ether mixture are added in screw extruder jointly, are blended at 178 DEG C
Extrusion can be prepared by novel flame-retardant mixing material.
For above embodiments and lithium battery performance in the prior art, every group 10 groups of taking-up, average value statistics are done.By
Its performance of verification experimental verification, lists below table:
After being improved to the formula of lithium battery terminal adhesive tape, after not only in battery core corresponding position, covering is improved
Then lithium battery terminal adhesive tape exists also simultaneously by offering engaged burr slot and dimpled grain slot in positive and negative electrode on piece
Occlusal position is clamped with the diaphragm of the lithium battery terminal adhesive tape package after improving between positive and negative plate.
Contrast on effect through the foregoing embodiment, it is evident that the present invention is carried out by the formula to lithium battery terminal adhesive tape
It is improved after improvement and to installation lithium battery terminal adhesive tape position, compares lithium battery performance in the prior art, hence it is evident that can
More superior with the lithium battery performance for finding out of the invention, Hot melt adhesive tape made of the adhesive has preferable heat resistance, fire-retardant
Performance.It is particularly suited in actual production.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " fixation ",
Terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside a element, unless otherwise restricted clearly.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of attaching process of lithium battery terminal adhesive tape, which comprises the following steps:
Electrode slurry preparation: electrode active material, binder, solvent etc. are mainly mixed, are sufficiently stirred by step 1
After dispersion, slurry is formed；
Step 2, coating: by the slurry of step 1 preparation on specified thickness even spread to collector (aluminium foil or copper foil etc.),
And dry out solvent；
Step 3, pole piece punching: the pole piece that previous step is made is punched into specified size shape；
Step 4, lamination: by positive/negative plate, stick lithium battery terminal adhesive tape package diaphragm, be assembled together, complete rubberizing
Afterwards, pole piece is formed；
Step 5 assembles soft-package battery: the pole piece of previous step production is packed into the aluminum plastic film in made hole, and complete closedtop,
Side seal etc. (while staying a mouth fluid injection), and lithium battery terminal adhesive tape is sticked in corresponding position, form the soft-package battery of non-fluid injection；
Step 6, fluid injection: by (wherein battery core will be through overbaking, and low inside the electrolyte of specified amount injection soft pack cell
Fluid injection operation is carried out under humidity environment, moisture content cannot be excessive)；
Cell sealing: gas inside battery core is extracted out in vacuum environment and completes to seal by step 7.
2. a kind of attaching process of lithium battery terminal adhesive tape according to claim 1, it is characterised in that: in assembly,
Positive and negative plate is first all made of stamping equipment and has been pressed into burr slot and dimpled grain slot respectively, then by lithium battery terminal adhesive tape
The diaphragm of package is placed between positive and negative plate preferably occlusion bonding assembly together.
3. a kind of attaching process of lithium battery terminal adhesive tape according to claim 1, which is characterized in that the lithium battery is whole
Only adhesive tape is composed of the following raw materials by weight: 18-26 parts of lauryl acid esters, 12-15 parts of epoxy resin, and polyimides 12-
16 parts, acrylic acid double 3-6 parts of rouge anaerobic adhesive, 5-9 parts of neoprene, 8-11 parts of phenolic resin, 6-9 parts of aziridine crosslinkers, three
Aoxidize 9-13 parts of two antimony, 3-6 parts of eight bromo ether.
4. a kind of attaching process of lithium battery terminal adhesive tape according to claim 1, it is characterised in that: the lithium battery is whole
Only adhesive tape is composed of the following raw materials by weight: 22 parts of lauryl acid esters, 13 parts of epoxy resin, and 14 parts of polyimides, propylene
Sour double 4 parts of rouge anaerobic adhesives, 7 parts of neoprene, 9 parts of phenolic resin, 7.5 parts of aziridine crosslinker, 11 parts of antimony oxide, eight bromines
4.5 parts of ether.
5. a kind of attaching process of lithium battery terminal adhesive tape according to claim 2, it is characterised in that: the positive plate is adopted
Burr slot made of stamping equipment surface is hemisphere burr, and it is half that positive plate, which is all made of dimpled grain slot made of stamping equipment pressure surface,
Ball impression slot.
6. a kind of attaching process of lithium battery terminal adhesive tape according to claim 5, it is characterised in that: the hemisphere burr
Radius is 2mm, and the hemisphere groove radius is 2mm.
7. a kind of attaching process of lithium battery terminal adhesive tape according to claim 3, it is characterised in that: three oxidation two
Antimony 1 and eight bromo ether mixture are added in screw extruder jointly, can be prepared by newly in 170 DEG C~178 DEG C progress blending extrusions
The fire-retardant mixing material of type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811609074.XA CN109705748A (en) | 2018-12-27 | 2018-12-27 | A kind of attaching process of lithium battery terminal adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811609074.XA CN109705748A (en) | 2018-12-27 | 2018-12-27 | A kind of attaching process of lithium battery terminal adhesive tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109705748A true CN109705748A (en) | 2019-05-03 |
Family
ID=66258612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811609074.XA Pending CN109705748A (en) | 2018-12-27 | 2018-12-27 | A kind of attaching process of lithium battery terminal adhesive tape |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110534809A (en) * | 2019-08-28 | 2019-12-03 | 大同新成新材料股份有限公司 | A kind of jetting machine lithium battery production method |
| CN115000346A (en) * | 2022-08-08 | 2022-09-02 | 江苏时代新能源科技有限公司 | Electrode assembly, battery cell, battery and power consumption device |
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| CN106905884A (en) * | 2017-03-09 | 2017-06-30 | 东莞市永邦新能源科技有限公司 | A kind of attaching process of lithium battery terminal adhesive tape |
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2018
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| US6319630B1 (en) * | 1999-03-12 | 2001-11-20 | Sony Corporation | Laminate film case comprising nonaqueous electrolyte battery and control circuit |
| CN101497123A (en) * | 2009-03-23 | 2009-08-05 | 青岛地恩地材料科技有限公司 | Magnalium composite board and method for producing the same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110534809A (en) * | 2019-08-28 | 2019-12-03 | 大同新成新材料股份有限公司 | A kind of jetting machine lithium battery production method |
| CN115000346A (en) * | 2022-08-08 | 2022-09-02 | 江苏时代新能源科技有限公司 | Electrode assembly, battery cell, battery and power consumption device |
| CN115000346B (en) * | 2022-08-08 | 2022-12-06 | 江苏时代新能源科技有限公司 | Electrode assembly, battery cell, battery and power consumption device |
| WO2024031859A1 (en) * | 2022-08-08 | 2024-02-15 | 江苏时代新能源科技有限公司 | Electrode assembly, battery cell, battery and electric device |
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