CN109167115A - A kind of large capacity cylindrical battery chemical synthesis technology - Google Patents
A kind of large capacity cylindrical battery chemical synthesis technology Download PDFInfo
- Publication number
- CN109167115A CN109167115A CN201810988444.9A CN201810988444A CN109167115A CN 109167115 A CN109167115 A CN 109167115A CN 201810988444 A CN201810988444 A CN 201810988444A CN 109167115 A CN109167115 A CN 109167115A
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- Prior art keywords
- chemical conversion
- battery pack
- battery
- large capacity
- synthesis technology
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
-
- 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
Abstract
The invention discloses a kind of large capacity cylindrical battery chemical synthesis technologies, comprising the following specific steps step 1: battery pack and chemical conversion machine being serially connected, and chemical conversion machine and municipal administration 220V AC power source are serially connected；Step 2: and then battery pack is put into and is sealed processing into insulating box, and the pressure in insulating box is arranged in certain value；Step 3: a, chemical conversion machine persistently charge to battery pack 2 ~ 3 hours with the electric current of 0.01C ~ 0.05C；B, chemical conversion machine persistently charges to battery pack 1.5 ~ 2 hours with the electric current of 0.05C ~ 0.08C；C, chemical conversion machine persistently charges to battery pack 1 ~ 1.5 hour with the electric current of 0.08C ~ 0.1C.4 high capacity cells are disposably carried out series connection chemical conversion using special dedicated formation device by the present invention, its efficiency is 4 times of common chemical synthesis technology, battery first-time qualification rate 98%, it simplifies the chemical synthesis technology of battery, saved chemical conversion time and cost of labor, solve the uncontrollable technical bottleneck of large capacity cylindrical battery manufacturing field consistency.
Description
Technical field
The present invention relates to battery technology field, in particular to a kind of large capacity cylindrical battery chemical synthesis technology.
Background technique
Battery formation is the process for being activated the battery made by certain charge and discharge algorithm.Traditional chemical conversion
Technique is that single large capacity cylindrical battery carries out charging chemical conversion, and the discrete type of battery is big, subsequent to pass through partial volume, in groups
It uses, the consistency of product is difficult to control, and is increased battery production manufacturing cost, is constrained cylindrical type high capacity cell industry significantly
Change application.Therefore, it is necessary to solve the above problems to invent a kind of large capacity cylindrical battery chemical synthesis technology.
Summary of the invention
The purpose of the present invention is to provide a kind of large capacity cylindrical battery chemical synthesis technologies, are set using special dedicated chemical conversion
Standby that 4 high capacity cells are disposably carried out series connection chemical conversion, efficiency is 4 times of common chemical synthesis technology, battery first-time qualification rate
98%, it simplifies the chemical synthesis technology of battery, saved chemical conversion time and cost of labor, it is mentioned above in the background art to solve
Traditional chemical synthesis technology is that single large capacity cylindrical battery carries out charging chemical conversion, and the discrete type of battery is big, it is subsequent will be through excessive
The problem of appearance could use in groups, and the consistency of product is difficult to control, increases battery production manufacturing cost.
To achieve the above object, the invention provides the following technical scheme: a kind of large capacity cylindrical battery chemical synthesis technology, packet
Include step in detail below:
Step 1: battery pack and chemical conversion machine are serially connected, and chemical conversion machine and municipal administration 220V AC power source are serially connected；
Step 2: and then battery pack is put into and is sealed processing into insulating box, and the pressure in insulating box is arranged one
Definite value；
Step 3: a, chemical conversion machine persistently charge to battery pack 2 ~ 3 hours with the electric current of 0.01C ~ 0.05C；
B, chemical conversion machine persistently charges to battery pack 1.5 ~ 2 hours with the electric current of 0.05C ~ 0.08C；
C, chemical conversion machine persistently charges to battery pack 1 ~ 1.5 hour with the electric current of 0.08C ~ 0.1C；
Step 4: after step 3 terminates, battery pack temperature is down to room temperature, and chemical conversion terminates.
Preferably, the battery pack in step 1 is to be combined by 4 cylindrical batteries, and 4 cylindrical batteries are with just
The mode that cathode is serially connected is attached.
Preferably, in step 2 the temperature setting of insulating box between -5 DEG C ~ 40 DEG C, and in insulating box pressure setting exist
Between 8MPa ~ 12MPa.
Preferably, the maximum current being melted into step 3 is set as 0.1C, and is melted into blanking voltage and is set as 16.8V.
Preferably, 3 chemical conversion stages are set as continuing uninterrupted charging process in step 3.
Preferably, room temperature is set as the temperature in insulating box in step 4.
Preferably, charging module for charging to battery pack, controlization are provided in the chemical conversion machine in step 1
At the programmable PLC of progress and the chemical conversion module for being melted into battery pack.
Preferably, the chemical conversion module includes primary chemical conversion module, secondary chemical conversion module and is melted into module three times, and described one
Secondary chemical conversion module, secondary chemical conversion module and three times chemical conversion module connect in parallel with programmable PLC.
Technical effect and advantage of the invention:
1,4 high capacity cells are disposably carried out series connection chemical conversion using special dedicated formation device by the present invention, and efficiency is
4 times of common chemical synthesis technology, battery first-time qualification rate 98% simplify the chemical synthesis technology of battery, have saved the chemical conversion time and artificial
Cost solves the uncontrollable technical bottleneck of large capacity cylindrical battery manufacturing field consistency；
2, the chemical conversion under different temperatures is carried out to battery pack, has been conducive to electrolytic cell and has been melted under conditions of what temperature,
The chemical conversion capacity rate of battery can achieve it is optimal, to judge the optimization of battery at temperature.
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.
Embodiment 1
A kind of large capacity cylindrical battery chemical synthesis technology, comprising the following specific steps
Step 1: battery pack and chemical conversion machine are serially connected, and chemical conversion machine and municipal administration 220V AC power source are serially connected,
Middle battery pack is to be combined by 4 cylindrical batteries, and 4 cylindrical batteries are connected in such a way that positive and negative anodes are serially connected
It connects；
Step 2: and then battery pack is put into the insulating box to temperature setting between -5 DEG C and is sealed processing, and is permanent
Pressure in incubator is arranged between 8MPa ~ 12MPa；
Step 3: a, chemical conversion machine persistently charge to battery pack 2 ~ 3 hours with the electric current of 0.01C ~ 0.05C；
B, chemical conversion machine persistently charges to battery pack 1.5 ~ 2 hours with the electric current of 0.05C ~ 0.08C；
C, chemical conversion machine persistently charges to battery pack 1 ~ 1.5 hour with the electric current of 0.08C ~ 0.1C；
The maximum current being wherein melted into is set as 0.1C, and is melted into blanking voltage and is set as 16.8V, and 3 chemical conversion stages set
It is set to and continues uninterrupted charging process；
Step 4: after step 3 terminates, battery pack temperature is down to the temperature in insulating box, and chemical conversion terminates.
Embodiment 2
A kind of large capacity cylindrical battery chemical synthesis technology, comprising the following specific steps
Step 1: battery pack and chemical conversion machine are serially connected, and chemical conversion machine and municipal administration 220V AC power source are serially connected,
Middle battery pack is to be combined by 4 cylindrical batteries, and 4 cylindrical batteries are connected in such a way that positive and negative anodes are serially connected
It connects；
Step 2: and then battery pack is put into the insulating box to temperature setting between 10 DEG C and is sealed processing, and is permanent
Pressure in incubator is arranged between 8MPa ~ 12MPa；
Step 3: a, chemical conversion machine persistently charge to battery pack 2 ~ 3 hours with the electric current of 0.01C ~ 0.05C；
B, chemical conversion machine persistently charges to battery pack 1.5 ~ 2 hours with the electric current of 0.05C ~ 0.08C；
C, chemical conversion machine persistently charges to battery pack 1 ~ 1.5 hour with the electric current of 0.08C ~ 0.1C；
The maximum current being wherein melted into is set as 0.1C, and is melted into blanking voltage and is set as 16.8V, and 3 chemical conversion stages set
It is set to and continues uninterrupted charging process；
Step 4: after step 3 terminates, battery pack temperature is down to the temperature in insulating box, and chemical conversion terminates.
Embodiment 3
A kind of large capacity cylindrical battery chemical synthesis technology, comprising the following specific steps
Step 1: battery pack and chemical conversion machine are serially connected, and chemical conversion machine and municipal administration 220V AC power source are serially connected,
Middle battery pack is to be combined by 4 cylindrical batteries, and 4 cylindrical batteries are connected in such a way that positive and negative anodes are serially connected
It connects；
Step 2: and then battery pack is put into the insulating box to temperature setting between 25 DEG C and is sealed processing, and is permanent
Pressure in incubator is arranged between 8MPa ~ 12MPa；
Step 3: a, chemical conversion machine persistently charge to battery pack 2 ~ 3 hours with the electric current of 0.01C ~ 0.05C；
B, chemical conversion machine persistently charges to battery pack 1.5 ~ 2 hours with the electric current of 0.05C ~ 0.08C；
C, chemical conversion machine persistently charges to battery pack 1 ~ 1.5 hour with the electric current of 0.08C ~ 0.1C；
The maximum current being wherein melted into is set as 0.1C, and is melted into blanking voltage and is set as 16.8V, and 3 chemical conversion stages set
It is set to and continues uninterrupted charging process；
Step 4: after step 3 terminates, battery pack temperature is down to the temperature in insulating box, and chemical conversion terminates.
Embodiment 4
A kind of large capacity cylindrical battery chemical synthesis technology, comprising the following specific steps
Step 1: battery pack and chemical conversion machine are serially connected, and chemical conversion machine and municipal administration 220V AC power source are serially connected,
Middle battery pack is to be combined by 4 cylindrical batteries, and 4 cylindrical batteries are connected in such a way that positive and negative anodes are serially connected
It connects；
Step 2: and then battery pack is put into the insulating box to temperature setting between 40 DEG C and is sealed processing, and is permanent
Pressure in incubator is arranged between 8MPa ~ 12MPa；
Step 3: a, chemical conversion machine persistently charge to battery pack 2 ~ 3 hours with the electric current of 0.01C ~ 0.05C；
B, chemical conversion machine persistently charges to battery pack 1.5 ~ 2 hours with the electric current of 0.05C ~ 0.08C；
C, chemical conversion machine persistently charges to battery pack 1 ~ 1.5 hour with the electric current of 0.08C ~ 0.1C；
The maximum current being wherein melted into is set as 0.1C, and is melted into blanking voltage and is set as 16.8V, and 3 chemical conversion stages set
It is set to and continues uninterrupted charging process；
Step 4: after step 3 terminates, battery pack temperature is down to the temperature in insulating box, and chemical conversion terminates.
Embodiment 5
Unlike embodiment 1, embodiment 2, embodiment 3 and embodiment:
The charging module for charging to battery pack is provided in the chemical conversion machine, the programmable PLC that control chemical conversion carries out
With the chemical conversion module for being melted into battery pack, the chemical conversion module include primary chemical conversion module, secondary chemical conversion module and
Be melted into module three times, the primary chemical conversion module, secondary chemical conversion module and three times chemical conversion module in parallel with it is programmable
PLC connects, and is advantageously implemented intelligent automatic chemical conversion means, can not only save a large amount of labour, but also mention
The high accuracy of chemical conversion.
Following list data can be obtained in 1-4 in conjunction with the embodiments:
| Specific embodiment | Calorstat temperature (DEG C) | Battery pack is melted into capacity rate (%) |
| Embodiment 1 | -5 | 92 |
| Embodiment 2 | 10 | 94 |
| Embodiment 3 | 25 | 98 |
| Embodiment 4 | 40 | 89 |
In conjunction with above table, following analysis result can be obtained: when temperature setting is at 25 DEG C when being melted into for battery pack, battery
Group chemical conversion capacity is best, and with the raising of chemical conversion temperature, Battery formation capacity is lower and lower.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (8)
1. a kind of large capacity cylindrical battery chemical synthesis technology, which is characterized in that comprising the following specific steps
Step 1: battery pack and chemical conversion machine are serially connected, and chemical conversion machine and municipal administration 220V AC power source are serially connected；
Step 2: and then battery pack is put into and is sealed processing into insulating box, and the pressure in insulating box is arranged one
Definite value；
Step 3: a, chemical conversion machine persistently charge to battery pack 2 ~ 3 hours with the electric current of 0.01C ~ 0.05C；
B, chemical conversion machine persistently charges to battery pack 1.5 ~ 2 hours with the electric current of 0.05C ~ 0.08C；
C, chemical conversion machine persistently charges to battery pack 1 ~ 1.5 hour with the electric current of 0.08C ~ 0.1C；
Step 4: after step 3 terminates, battery pack temperature is down to room temperature, and chemical conversion terminates.
2. a kind of large capacity cylindrical battery chemical synthesis technology according to claim 1, it is characterised in that: the electricity in step 1
Pond group is to be combined by 4 cylindrical batteries, and 4 cylindrical batteries are attached in such a way that positive and negative anodes are serially connected.
3. a kind of large capacity cylindrical battery chemical synthesis technology according to claim 1, it is characterised in that: constant temperature in step 2
The temperature setting of case is between -5 DEG C ~ 40 DEG C, and the pressure in insulating box is arranged between 8MPa ~ 12MPa.
4. a kind of large capacity cylindrical battery chemical synthesis technology according to claim 1, it is characterised in that: be melted into step 3
Maximum current be set as 0.1C, and be melted into blanking voltage and be set as 16.8V.
5. a kind of large capacity cylindrical battery chemical synthesis technology according to claim 1, it is characterised in that: 3 in step 3
The chemical conversion stage is set as continuing uninterrupted charging process.
6. a kind of large capacity cylindrical battery chemical synthesis technology according to claim 1, it is characterised in that: room temperature in step 4
The temperature being set as in insulating box.
7. a kind of large capacity cylindrical battery chemical synthesis technology according to claim 1, it is characterised in that: the change in step 1
At the programmable PLC for the charging module, control chemical conversion progress being provided in machine for charging to battery pack and for electricity
The chemical conversion module that pond group is melted into.
8. a kind of large capacity cylindrical battery chemical synthesis technology according to claim 7, it is characterised in that: the chemical conversion module
Including being once melted into module, secondary chemical conversion module and being three times melted into module, the primary chemical conversion module, secondary chemical conversion module and three
Secondary chemical conversion module is connected with programmable PLC in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810988444.9A CN109167115A (en) | 2018-08-28 | 2018-08-28 | A kind of large capacity cylindrical battery chemical synthesis technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810988444.9A CN109167115A (en) | 2018-08-28 | 2018-08-28 | A kind of large capacity cylindrical battery chemical synthesis technology |
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| CN109167115A true CN109167115A (en) | 2019-01-08 |
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| CN201810988444.9A Pending CN109167115A (en) | 2018-08-28 | 2018-08-28 | A kind of large capacity cylindrical battery chemical synthesis technology |
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| CN101901941A (en) * | 2009-05-27 | 2010-12-01 | 比亚迪股份有限公司 | Formation method for titanium cathode material lithium ion battery |
| CN102760908A (en) * | 2012-07-16 | 2012-10-31 | 宁波世捷新能源科技有限公司 | Quick formation method for lithium ion battery adapting to various cathode material systems |
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| CN106129506A (en) * | 2016-08-12 | 2016-11-16 | 合肥国轩高科动力能源有限公司 | A kind of compound method for lithium ion battery |
| CN106299484A (en) * | 2016-10-18 | 2017-01-04 | 江苏正品新能源科技有限公司 | A kind of lithium ion battery series connection is remained silent formation device |
| CN106654428A (en) * | 2017-02-27 | 2017-05-10 | 多氟多（焦作）新能源科技有限公司 | Formation method of lithium manganate lithium ion battery |
-
2018
- 2018-08-28 CN CN201810988444.9A patent/CN109167115A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101286578A (en) * | 2008-05-23 | 2008-10-15 | 清华大学 | Forming method of lithium ion secondary battery using vacuum system |
| CN101901941A (en) * | 2009-05-27 | 2010-12-01 | 比亚迪股份有限公司 | Formation method for titanium cathode material lithium ion battery |
| CN102760908A (en) * | 2012-07-16 | 2012-10-31 | 宁波世捷新能源科技有限公司 | Quick formation method for lithium ion battery adapting to various cathode material systems |
| CN105390749A (en) * | 2015-10-16 | 2016-03-09 | 广东烛光新能源科技有限公司 | Preparation method of electrochemical cell |
| CN106129506A (en) * | 2016-08-12 | 2016-11-16 | 合肥国轩高科动力能源有限公司 | A kind of compound method for lithium ion battery |
| CN106299484A (en) * | 2016-10-18 | 2017-01-04 | 江苏正品新能源科技有限公司 | A kind of lithium ion battery series connection is remained silent formation device |
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