CN111600076A - Lithium battery lamination processing technology - Google Patents
Lithium battery lamination processing technology Download PDFInfo
- Publication number
- CN111600076A CN111600076A CN202010395211.5A CN202010395211A CN111600076A CN 111600076 A CN111600076 A CN 111600076A CN 202010395211 A CN202010395211 A CN 202010395211A CN 111600076 A CN111600076 A CN 111600076A
- Authority
- CN
- China
- Prior art keywords
- minutes
- power mixer
- slurry
- stirring
- minus
- 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.)
- Pending
Links
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
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- 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
- H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
-
- 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
Landscapes
- 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)
Abstract
The invention discloses a lithium battery lamination processing technology, which comprises the following steps: A. stirring; B. coating; C. laminating; D. welding; E. capping; F. injecting liquid; G. pre-melting; H. molding; I. formation; J. and (6) testing. This lithium battery lamination processing technology can batch processing production lithium cell, is convenient for control the humidity of processing environment, is convenient for control the water content of positive negative pole material, electrolyte, improves the processingquality of lithium cell, is favorable to subsequent using widely more.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a processing technology of a lithium battery lamination.
Background
Lithium battery (Lithium battery) refers to a battery containing Lithium (including metallic Lithium, Lithium alloy, Lithium ion, and Lithium polymer) in an electrochemical system; lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries; lithium metal batteries are generally non-rechargeable and contain lithium in a metallic state; the lithium ion battery does not contain lithium in a metal state and can be charged, because the volume of the lithium battery is smaller than that of a lead-acid battery and is favored by consumers, for the lamination process at present, water is taken as a trace component in electrolyte, the formation of an SEI film of the lithium ion battery and the performance of the battery are greatly influenced, the metal property of a negative electrode in a full-charge state is close to that of the lithium, and the negative electrode can directly react with the water, the water content of a positive electrode material, a negative electrode material and the electrolyte cannot be well controlled in the prior art, and the processing quality of the lithium battery is directly influenced, so that the lithium battery lamination processing process is designed and produced, and the problems are solved.
Disclosure of Invention
The invention aims to provide a lithium battery lamination processing technology to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a processing technology of a lithium battery lamination comprises the following steps:
A. stirring: uniformly mixing the anode or cathode powder and other ingredients, and adjusting to form slurry; mixing the anode or cathode powder and other ingredients uniformly, and adjusting to form slurry, wherein the anode mixed material comprises: pouring NMP into a power mixer, heating to 80 ℃, weighing PVDF, adding into the power mixer, and starting up to mix; a power mixer: the rotating speed is 25 +/-2 r/min, and the stirring is carried out for 115-125 minutes; connecting a cooling system, adding the ground positive pole dry material in four times on average, wherein each time is 28-32 minutes, adding NMP according to the material requirement in the third feeding, and adding NMP after the fourth feeding; setting parameters of a power mixer: the rotating speed is 20 +/-2 r/min; stirring after feeding for 30 +/-2 minutes for the fourth time, wherein the time is 480 +/-10 minutes; setting parameters of a power mixer: the revolution rate is 30 +/-2 revolutions per minute, and the revolution rate is 25 +/-2 revolutions per minute; vacuum mixing: connecting a power mixer to vacuum, keeping the vacuum degree at-0.09 Mpa, and stirring for 30 +/-2 minutes; setting parameters of a power mixer: the revolution time is 10 plus or minus 2 minutes, and the revolution time is 8 plus or minus 2 revolutions per minute; taking 250-300 ml of slurry, and measuring the viscosity by using a viscometer; and (3) testing conditions are as follows: the rotating speed is 12 or 30rpm, and the temperature is 25 ℃; taking the anode material out of the power mixer, carrying out colloid milling and sieving, simultaneously pasting a mark on a stainless steel basin, handing over the mark with a slurry drawing device operator, and then flowing into a slurry drawing operation process; the negative electrode mixing material comprises: heating purified water to 80 deg.C, pouring into a power mixer; adding CMC, and stirring for 60 +/-2 minutes; setting parameters of a power mixer: the revolution time is 25 plus or minus 2 minutes, and the rotation time is 15 plus or minus 2 revolutions per minute; adding SBR and deionized water, and stirring for 60 +/-2 minutes; setting parameters of a power mixer: the revolution time is 30 plus or minus 2 minutes, and the rotation time is 20 plus or minus 2 revolutions per minute; adding the dry materials of the negative electrode in four average sequences, adding purified water while adding materials, wherein the interval is 28-32 minutes each time; setting parameters of a power mixer: the revolution is 20 plus or minus 2 revolutions per minute, and the rotation is 15 plus or minus 2 revolutions per minute; stirring after feeding for 30 +/-2 minutes for the fourth time, wherein the time is 480 +/-10 minutes; setting parameters of a power mixer: the revolution rate is 30 +/-2 revolutions per minute, and the revolution rate is 25 +/-2 revolutions per minute; vacuum mixing: connecting the power mixer to vacuum, keeping the vacuum degree at-0.09 to 0.10Mpa, and stirring for 30 +/-2 minutes; setting parameters of a power mixer: the revolution time is 10 plus or minus 2 minutes, and the revolution time is 8 plus or minus 2 revolutions per minute; taking 500 ml of slurry, and measuring the viscosity by using a viscometer; and (3) testing conditions are as follows: the rotating speed is 30rpm, and the temperature is 25 ℃; taking the negative electrode material out of the power mixer, grinding and sieving the negative electrode material, simultaneously pasting a mark on a stainless steel basin, connecting the mark with a slurry drawing equipment operator, and then flowing into a slurry drawing operation process;
B. coating: continuously and uniformly coating the slurry on the surface of a transmission current collector, drying and respectively manufacturing a positive plate and a negative plate, namely, rotating the slurry by using a coating roller, adjusting the slurry transfer amount by adjusting the gap of a scraper, and transferring the slurry to a base material by using the rotation of a back roller;
C. laminating: the positive pole piece, the isolating membrane and the negative pole piece are regularly overlapped together manually or by a clamp;
D. welding: a plurality of tabs are welded together to form a naked electric core, namely, the ultrasonic welding utilizes the mechanical vibration energy of ultrasonic frequency to convert the elastic vibration energy into friction work and deformation energy among workpieces and then limited temperature rise under the combined action of static pressure, thereby achieving the purpose of connecting dissimilar metals;
E. capping: wrapping the bare cell in a packaging aluminum box, and performing heat sealing on the top and the side edges;
F. liquid injection: adding electrolyte into the battery core, completely sealing the battery core, and before injecting liquid into the battery core, performing water removal operation on the electrolyte by using an air heater, wherein the attention process requires low humidity, and the humidity is set according to the actual processing operation, so that the formation of an SEI film of the lithium ion battery is facilitated, and the adverse effect on the performance of the battery is reduced;
G. pre-treatment: activating the positive and negative electrode materials in the carbon electrode by a discharge mode, and forming a good SEI film on the surface of the negative electrode, wherein the SEI film is a passivation thin layer covering the surface of the carbon electrode;
H. molding: finally processing the shape of the battery cell to finish the final shape of the battery cell;
I. formation: further forming a stable SEI film, and detecting the capacity of the battery cell;
J. and (3) testing: and detecting the finished lithium battery and calculating the finished product rate.
Preferably, during stirring, a motor is adopted to drive the sawtooth-shaped dispersion disc to rotate at the rotating speed of 0-108rpm, the action of dispersing particles is mainly achieved, and the viscosity, the granularity and the solid content of the anode or cathode slurry are strictly controlled during stirring.
Preferably, the coating layer is controlled in thickness to meet the weight requirement, and the solvent in the slurry on the flat substrate is removed by drying and heating, so that the solid substance is well adhered to the substrate.
Preferably, when welding, the ultrasonic frequency of the ultrasonic wave is more than 16 KHZ.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a lithium battery lamination processing technology which can be used for processing and producing lithium batteries in batches and is convenient for controlling the water content of electrolyte, so that the formation of an SEI (solid electrolyte interphase) film of the lithium battery is facilitated, the adverse effect on the performance of the battery is reduced, the processing quality of the lithium battery is improved, and the subsequent popularization and use are facilitated.
Detailed Description
In order to solve the above crosstalk problem, the following description will be made clearly and completely in conjunction with the technical solutions in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
A processing technology of a lithium battery lamination comprises the following steps:
A. stirring: mix positive pole or negative pole powder and other batching misce bene to transferring to the finished product thick liquid, mix positive pole or negative pole powder and other batching misce bene, and transfer to the finished product thick liquid, wherein the positive pole compounding includes: pouring NMP into a power mixer, heating to 80 ℃, weighing PVDF, adding into the power mixer, and starting up to mix; a power mixer: the rotating speed is 25 +/-2 r/min, and the stirring is carried out for 115-125 minutes; connecting a cooling system, adding the ground positive pole dry material in four times on average, wherein each time is 28-32 minutes, adding NMP according to the material requirement in the third feeding, and adding NMP after the fourth feeding; setting parameters of a power mixer: the rotating speed is 20 +/-2 r/min; stirring after feeding for 30 +/-2 minutes for the fourth time, wherein the time is 480 +/-10 minutes; setting parameters of a power mixer: the revolution rate is 30 +/-2 revolutions per minute, and the revolution rate is 25 +/-2 revolutions per minute; vacuum mixing: connecting a power mixer to vacuum, keeping the vacuum degree at-0.09 Mpa, and stirring for 30 +/-2 minutes; setting parameters of a power mixer: the revolution time is 10 plus or minus 2 minutes, and the revolution time is 8 plus or minus 2 revolutions per minute; taking 250-300 ml of slurry, and measuring the viscosity by using a viscometer; and (3) testing conditions are as follows: the rotating speed is 12 or 30rpm, and the temperature is 25 ℃; taking the anode material out of the power mixer, carrying out colloid milling and sieving, simultaneously pasting a mark on a stainless steel basin, handing over the mark with a slurry drawing device operator, and then flowing into a slurry drawing operation process; the negative electrode mixing material comprises: heating purified water to 80 deg.C, pouring into a power mixer; adding CMC, and stirring for 60 +/-2 minutes; setting parameters of a power mixer: the revolution time is 25 plus or minus 2 minutes, and the rotation time is 15 plus or minus 2 revolutions per minute; adding SBR and deionized water, and stirring for 60 +/-2 minutes; setting parameters of a power mixer: the revolution time is 30 plus or minus 2 minutes, and the rotation time is 20 plus or minus 2 revolutions per minute; adding the dry materials of the negative electrode in four average sequences, adding purified water while adding materials, wherein the interval is 28-32 minutes each time; setting parameters of a power mixer: the revolution is 20 plus or minus 2 revolutions per minute, and the rotation is 15 plus or minus 2 revolutions per minute; stirring after feeding for 30 +/-2 minutes for the fourth time, wherein the time is 480 +/-10 minutes; setting parameters of a power mixer: the revolution rate is 30 +/-2 revolutions per minute, and the revolution rate is 25 +/-2 revolutions per minute; vacuum mixing: connecting the power mixer to vacuum, keeping the vacuum degree at-0.09 to 0.10Mpa, and stirring for 30 +/-2 minutes; setting parameters of a power mixer: the revolution time is 10 plus or minus 2 minutes, and the revolution time is 8 plus or minus 2 revolutions per minute; taking 500 ml of slurry, and measuring the viscosity by using a viscometer; and (3) testing conditions are as follows: the rotating speed is 30rpm, and the temperature is 25 ℃; taking the negative electrode material out of the power mixer, grinding and sieving the negative electrode material, simultaneously pasting a mark on a stainless steel basin, connecting the mark with a slurry drawing equipment operator, and then flowing into a slurry drawing operation process;
B. coating: continuously and uniformly coating the slurry on the surface of a transmission current collector, drying and respectively manufacturing a positive plate and a negative plate, namely, rotating the slurry by using a coating roller, adjusting the slurry transfer amount by adjusting the gap of a scraper, and transferring the slurry to a base material by using the rotation of a back roller;
C. laminating: the positive pole piece, the isolating membrane and the negative pole piece are regularly overlapped together manually or by a clamp;
D. welding: a plurality of tabs are welded together to form a naked electric core, namely, the ultrasonic welding utilizes the mechanical vibration energy of ultrasonic frequency to convert the elastic vibration energy into friction work and deformation energy among workpieces and then limited temperature rise under the combined action of static pressure, thereby achieving the purpose of connecting dissimilar metals;
E. capping: wrapping the bare cell in a packaging aluminum box, and performing heat sealing on the top and the side edges;
F. liquid injection: adding electrolyte into the battery core, completely sealing the battery core, and before injecting liquid into the battery core, performing water removal operation on the electrolyte by using an air heater, wherein the attention process requires low humidity, and the humidity is set according to the actual processing operation, so that the formation of an SEI film of the lithium ion battery is facilitated, and the adverse effect on the performance of the battery is reduced;
G. pre-treatment: activating the positive and negative electrode materials in the carbon electrode by a discharge mode, and forming a good SEI film on the surface of the negative electrode, wherein the SEI film is a passivation thin layer covering the surface of the carbon electrode;
H. molding: finally processing the shape of the battery cell to finish the final shape of the battery cell;
I. formation: further forming a stable SEI film, and detecting the capacity of the battery cell;
J. and (3) testing: and detecting the finished lithium battery and calculating the finished product rate.
Wherein, during stirring, a motor is adopted to drive the sawtooth-shaped dispersion disc to rotate at the rotating speed of 0-108rpm, the action of dispersing particles is mainly played, and the viscosity, the granularity and the solid content of the anode or cathode slurry are strictly controlled in the stirring process; when coating, the weight requirement is achieved by controlling the thickness of the coating layer, and the solvent in the slurry on the tiled base material is removed by drying and heating, so that the solid material is well adhered to the base material; during welding, ultrasonic welding frequency is greater than 16KHZ, and the lithium battery lamination processing technology can be used for processing and producing lithium batteries in batches, is convenient for controlling the water content of electrolyte, and therefore the SEI film of the lithium battery can be conveniently formed, the adverse effect on the performance of the battery can be reduced, the processing quality of the lithium battery can be improved, and the subsequent popularization and use can be facilitated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A lithium battery lamination processing technology is characterized in that: the processing steps of the lithium battery lamination are as follows:
A. stirring: mixing the anode or cathode powder and other ingredients uniformly, and adjusting to form slurry, wherein the anode mixed material comprises: pouring NMP into a power mixer, heating to 80 ℃, weighing PVDF, adding into the power mixer, and starting up to mix; a power mixer: the rotating speed is 25 +/-2 r/min, and the stirring is carried out for 115-125 minutes; connecting a cooling system, adding the ground positive pole dry material in four times on average, wherein each time is 28-32 minutes, adding NMP according to the material requirement in the third feeding, and adding NMP after the fourth feeding; setting parameters of a power mixer: the rotating speed is 20 +/-2 r/min; stirring after feeding for 30 +/-2 minutes for the fourth time, wherein the time is 480 +/-10 minutes; setting parameters of a power mixer: the revolution rate is 30 +/-2 revolutions per minute, and the revolution rate is 25 +/-2 revolutions per minute; vacuum mixing: connecting a power mixer to vacuum, keeping the vacuum degree at-0.09 Mpa, and stirring for 30 +/-2 minutes; setting parameters of a power mixer: the revolution time is 10 plus or minus 2 minutes, and the revolution time is 8 plus or minus 2 revolutions per minute; taking 250-300 ml of slurry, and measuring the viscosity by using a viscometer; and (3) testing conditions are as follows: the rotating speed is 12 or 30rpm, and the temperature is 25 ℃; taking the anode material out of the power mixer, carrying out colloid milling and sieving, simultaneously pasting a mark on a stainless steel basin, handing over the mark with a slurry drawing device operator, and then flowing into a slurry drawing operation process; the negative electrode mixing material comprises: heating purified water to 80 deg.C, pouring into a power mixer; adding CMC, and stirring for 60 +/-2 minutes; setting parameters of a power mixer: the revolution time is 25 plus or minus 2 minutes, and the rotation time is 15 plus or minus 2 revolutions per minute; adding SBR and deionized water, and stirring for 60 +/-2 minutes; setting parameters of a power mixer: the revolution time is 30 plus or minus 2 minutes, and the rotation time is 20 plus or minus 2 revolutions per minute; adding the dry materials of the negative electrode in four average sequences, adding purified water while adding materials, wherein the interval is 28-32 minutes each time; setting parameters of a power mixer: the revolution is 20 plus or minus 2 revolutions per minute, and the rotation is 15 plus or minus 2 revolutions per minute; stirring after feeding for 30 +/-2 minutes for the fourth time, wherein the time is 480 +/-10 minutes; setting parameters of a power mixer: the revolution rate is 30 +/-2 revolutions per minute, and the revolution rate is 25 +/-2 revolutions per minute; vacuum mixing: connecting the power mixer to vacuum, keeping the vacuum degree at-0.09 to 0.10Mpa, and stirring for 30 +/-2 minutes; setting parameters of a power mixer: the revolution time is 10 plus or minus 2 minutes, and the revolution time is 8 plus or minus 2 revolutions per minute; taking 500 ml of slurry, and measuring the viscosity by using a viscometer; and (3) testing conditions are as follows: the rotating speed is 30rpm, and the temperature is 25 ℃; taking the negative electrode material out of the power mixer, grinding and sieving the negative electrode material, simultaneously pasting a mark on a stainless steel basin, connecting the mark with a slurry drawing equipment operator, and then flowing into a slurry drawing operation process;
B. coating: continuously and uniformly coating the slurry on the surface of a transmission current collector, drying and respectively manufacturing a positive plate and a negative plate, namely, rotating the slurry by using a coating roller, adjusting the slurry transfer amount by adjusting the gap of a scraper, and transferring the slurry to a base material by using the rotation of a back roller;
C. laminating: the positive pole piece, the isolating membrane and the negative pole piece are regularly overlapped together manually or by a clamp;
D. welding: a plurality of tabs are welded together to form a naked electric core, namely, the ultrasonic welding utilizes the mechanical vibration energy of ultrasonic frequency to convert the elastic vibration energy into friction work and deformation energy among workpieces and then limited temperature rise under the combined action of static pressure, thereby achieving the purpose of connecting dissimilar metals;
E. capping: wrapping the bare cell in a packaging aluminum box, and performing heat sealing on the top and the side edges;
F. liquid injection: adding electrolyte into the battery core, completely sealing the battery core, and before injecting liquid into the battery core, performing water removal operation on the electrolyte by using an air heater, wherein the attention process requires low humidity, and the humidity is set according to the actual processing operation, so that the formation of an SEI film of the lithium ion battery is facilitated, and the adverse effect on the performance of the battery is reduced;
G. pre-treatment: activating the positive and negative electrode materials in the carbon electrode by a discharge mode, and forming a good SEI film on the surface of the negative electrode, wherein the SEI film is a passivation thin layer covering the surface of the carbon electrode;
H. molding: finally processing the shape of the battery cell to finish the final shape of the battery cell;
I. formation: further forming a stable SEI film, and detecting the capacity of the battery cell;
J. and (3) testing: and detecting the finished lithium battery and calculating the finished product rate.
2. The lithium battery pack processing process according to claim 1, wherein: during stirring, a motor is adopted to drive the sawtooth-shaped dispersion disc to rotate at the rotating speed of 0-108rpm, the effect of dispersing particles is mainly achieved, and the viscosity, the granularity and the solid content of the anode or cathode slurry are strictly controlled in the stirring process.
3. The lithium battery pack processing process according to claim 1, wherein: when coating, the weight requirement is achieved by controlling the thickness of the coating layer, and the solvent in the slurry on the tiled substrate is removed by drying and heating, so that the solid substance is well adhered to the substrate.
4. The lithium battery pack processing process according to claim 1, wherein: when welding, the ultrasonic frequency of the ultrasonic wave is more than 16 KHZ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010395211.5A CN111600076A (en) | 2020-05-02 | 2020-05-02 | Lithium battery lamination processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010395211.5A CN111600076A (en) | 2020-05-02 | 2020-05-02 | Lithium battery lamination processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111600076A true CN111600076A (en) | 2020-08-28 |
Family
ID=72187149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010395211.5A Pending CN111600076A (en) | 2020-05-02 | 2020-05-02 | Lithium battery lamination processing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111600076A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1283315A (en) * | 1997-12-26 | 2001-02-07 | 东燃珍宝石油株式会社 | Electrolyte for lithium cells and method of producing the same |
| CN101252206A (en) * | 2008-01-25 | 2008-08-27 | 中南大学 | Lithium ion battery cathode film-forming electrolyte compound salt and method for preparing function electrolyte |
| CN102414877A (en) * | 2009-04-24 | 2012-04-11 | 大日本印刷株式会社 | Negative electrode plate for nonaqueous electrolyte secondary battery, method of producing negative electrode plate for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery |
| CN105261794A (en) * | 2015-10-20 | 2016-01-20 | 四川科能锂电有限公司 | Lithium battery processing technology |
| CN105826611A (en) * | 2016-03-23 | 2016-08-03 | 王修安 | Production technology of quick-charge lithium battery |
| CN107394202A (en) * | 2017-08-22 | 2017-11-24 | 山东精工电子科技有限公司 | A kind of energy-density lithium ion battery and preparation method thereof |
| CN108075102A (en) * | 2016-11-16 | 2018-05-25 | 刘应华 | The cathode mixing procedure of lithium ion battery in furniture |
| CN108075104A (en) * | 2016-11-11 | 2018-05-25 | 袁云秀 | Anode mixing procedure when lithium ion battery in furniture produces |
| KR20180122073A (en) * | 2017-05-02 | 2018-11-12 | 주식회사 리베스트 | Flexible electrode assembly having strengthening structure using expanded metal on outermost electrode |
| CN108987636A (en) * | 2018-07-18 | 2018-12-11 | 江苏卓岸电源科技有限公司 | A kind of multiplex roles lithium battery box and its battery lamination production technology |
| CN109378530A (en) * | 2018-11-23 | 2019-02-22 | 浙江佳贝思绿色能源有限公司 | A kind of large capacity lamination process |
| CN209702298U (en) * | 2019-04-19 | 2019-11-29 | 东莞市航盛新能源材料有限公司 | Packing device is used in a kind of processing of lithium-ion battery electrolytes |
| CN110828770A (en) * | 2019-11-19 | 2020-02-21 | 凌帕新能源科技(上海)有限公司 | Manufacturing method of lithium battery |
-
2020
- 2020-05-02 CN CN202010395211.5A patent/CN111600076A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1283315A (en) * | 1997-12-26 | 2001-02-07 | 东燃珍宝石油株式会社 | Electrolyte for lithium cells and method of producing the same |
| CN101252206A (en) * | 2008-01-25 | 2008-08-27 | 中南大学 | Lithium ion battery cathode film-forming electrolyte compound salt and method for preparing function electrolyte |
| CN102414877A (en) * | 2009-04-24 | 2012-04-11 | 大日本印刷株式会社 | Negative electrode plate for nonaqueous electrolyte secondary battery, method of producing negative electrode plate for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery |
| CN105261794A (en) * | 2015-10-20 | 2016-01-20 | 四川科能锂电有限公司 | Lithium battery processing technology |
| CN105826611A (en) * | 2016-03-23 | 2016-08-03 | 王修安 | Production technology of quick-charge lithium battery |
| CN108075104A (en) * | 2016-11-11 | 2018-05-25 | 袁云秀 | Anode mixing procedure when lithium ion battery in furniture produces |
| CN108075102A (en) * | 2016-11-16 | 2018-05-25 | 刘应华 | The cathode mixing procedure of lithium ion battery in furniture |
| KR20180122073A (en) * | 2017-05-02 | 2018-11-12 | 주식회사 리베스트 | Flexible electrode assembly having strengthening structure using expanded metal on outermost electrode |
| CN107394202A (en) * | 2017-08-22 | 2017-11-24 | 山东精工电子科技有限公司 | A kind of energy-density lithium ion battery and preparation method thereof |
| CN108987636A (en) * | 2018-07-18 | 2018-12-11 | 江苏卓岸电源科技有限公司 | A kind of multiplex roles lithium battery box and its battery lamination production technology |
| CN109378530A (en) * | 2018-11-23 | 2019-02-22 | 浙江佳贝思绿色能源有限公司 | A kind of large capacity lamination process |
| CN209702298U (en) * | 2019-04-19 | 2019-11-29 | 东莞市航盛新能源材料有限公司 | Packing device is used in a kind of processing of lithium-ion battery electrolytes |
| CN110828770A (en) * | 2019-11-19 | 2020-02-21 | 凌帕新能源科技(上海)有限公司 | Manufacturing method of lithium battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107452983B (en) | Lithium ion battery composite electrolyte, preparation method thereof and lithium ion battery | |
| CN101232091B (en) | Method for preparation of lithium ion battery anode glue size and battery | |
| CN102891283B (en) | Dry blending process for cathode of lithium-ion power battery | |
| CN111916678B (en) | High specific energy lithium battery electrode, dry preparation method thereof and lithium battery | |
| CN102361073B (en) | Preparation method of lithium ion battery silicon aluminium carbon composite cathode material | |
| CN115621410B (en) | Preparation method of dry electrode slice, electrode slice and application thereof | |
| CN110265654A (en) | A kind of negative electrode of lithium ion battery ultrathin lithium silver alloy band and preparation method thereof | |
| CN100370643C (en) | Method for fabricating positive plates of lithium ion batteries, and positive plates and lithium ion batteries produced by the method | |
| CN110190272A (en) | A kind of preparation method of the nanocomposite for water system Zinc ion battery anode | |
| CN111725559A (en) | Solid electrolyte, method for preparing the same, and lithium secondary solid battery | |
| CN111613839A (en) | Novel ultrathin battery and preparation process thereof | |
| CN110429243A (en) | A kind of preparation method of high specific energy secondary cell lithium anode | |
| CN114014965A (en) | Polymer film, electrolyte, all-solid-state battery, and preparation method and application thereof | |
| CN111600076A (en) | Lithium battery lamination processing technology | |
| CN102903892A (en) | Method for manufacturing industrial energy storage type lithium battery pole piece | |
| CN1824724B (en) | Water binder, its application in manufacturing lithium ion battery positive plate and battery | |
| CN112186153A (en) | Lithium cathode with interface nanosheet protective layer and preparation method thereof | |
| CN106784771A (en) | A kind of preparation method and system of zinc antimony alloy composite negative pole material | |
| CN101242007A (en) | Lithium ion battery making method | |
| CN112952042A (en) | Preparation method of paste-mixing brick for lithium ion battery pole piece | |
| CN113013482A (en) | Solid electrolyte and preparation method of all-solid-state lithium ion battery | |
| CN113363560A (en) | Organic in-situ interface modified solid electrolyte and preparation method thereof | |
| CN113410449A (en) | Multiphase adjustable carbon-coated novel artificial graphite negative electrode material and preparation method thereof | |
| CN109546092B (en) | Lithium-sulfur thin film battery | |
| CN112952046A (en) | Preparation method of positive electrode slurry, positive electrode plate, hard-package battery cell, lithium ion battery package and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200828 |
|
| RJ01 | Rejection of invention patent application after publication |