CN109585935A - A kind of packaging technology of lithium battery mould group - Google Patents
A kind of packaging technology of lithium battery mould group Download PDFInfo
- Publication number
- CN109585935A CN109585935A CN201811437074.6A CN201811437074A CN109585935A CN 109585935 A CN109585935 A CN 109585935A CN 201811437074 A CN201811437074 A CN 201811437074A CN 109585935 A CN109585935 A CN 109585935A
- Authority
- CN
- China
- Prior art keywords
- battery core
- mould group
- combo
- stepping
- station
- 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.)
- Granted
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 17
- 238000012536 packaging technology Methods 0.000 title claims abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 102100028667 C-type lectin domain family 4 member A Human genes 0.000 claims abstract description 7
- 101000766908 Homo sapiens C-type lectin domain family 4 member A Proteins 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 18
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 241001062009 Indigofera Species 0.000 claims description 3
- 239000004642 Polyimide Substances 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 235000008429 bread Nutrition 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 230000000649 photocoagulation Effects 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000008439 repair process Effects 0.000 claims description 3
- 238000012958 reprocessing Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 239000004071 soot Substances 0.000 claims description 3
- 230000035611 feeding Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- 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 present invention relates to a kind of packaging technologies of lithium battery mould group, comprising the following steps: the detection of single battery core feeding, encapsulated, stepping, combo stacking, mould group beats band, Laser Jet and Insulation test, cleans pole and surveys height, detects the height of connection sheet and carry out laser welding, mould group DCIR is tested, pressing plate assembling and mould group are offline.Beneficial effects of the present invention: the Pack Wiring technology route elder generation stepping with industry prevalence, encapsulated difference afterwards, the present invention claims single battery core it is encapsulated after the completion of, direct stepping, this avoid the secondary feedings of battery core, greatly improve the degree of automation of assembly line, and the battery performance of same class is close, so that battery life is longer, performance is more stable；Detection cycle is short, and method is simply easily realized, production operation is convenient, improves production efficiency.
Description
Technical field
The present invention relates to lithium ion batteries to assemble field, more particularly to a kind of packaging technology of lithium battery mould group.
Background technique
Lithium battery is increasingly used on the products such as mobile phone, electric tool.Due to single lithium battery voltage and appearance
Measure lower, therefore muti-piece lithium battery must be together in series to reach the requirement of these tools by while applying on tool.This
With regard to needing the consistency of these concatenated single batteries very high.
The packaging technology of traditional dynamic lithium battery mould group is to tie up mode by machinery to carry out each workpiece of lithium battery
Assembling, although its assembling mode is simple, the freedom from vibration of the lithium battery after assembling, electrical connectivity are poor, what lithium battery used
Reliability and safety are poor.
As new energy market forces battery system installation amount increases year by year, existing power battery industry production line is limited to
Automate it is low, homogeneity of product difference and without functions such as information tracings, cause part vehicle under the operating conditions such as charging, operation, stagnation of movement,
Cause uncontrollable phenomenon.In this context, the integrated levels such as production line production capacity, homogeneity of product, intelligence, informationization are wanted
Ask higher and higher.
Summary of the invention
A kind of packaging technology of the lithium battery mould group provided the purpose of the present invention is to solve the deficiency of the prior art,
In time rejected product can be checked to come, guarantee the assembling quality of battery modules, ensure product consistency, it is intelligent, information-based
Etc. integrated levels it is high.
To achieve the purpose of the present invention, the technical solution adopted by the present invention are as follows:
A kind of packaging technology of lithium battery mould group, comprising the following steps:
1) single battery core feeding detects, and takes out battery core feeding from cabinet, be automatically transported to each station carry out barcode scanning, cleaning soot blowing,
It is automatically transported to lower station after OCV/IR detection, thickness measuring, underproof product is detected and automatically takes out rejecting；
2) encapsulated, encapsulated processing is carried out to the qualified battery core of detection, 0.15mm thick polyimide indigo plant film is selected to be used for single battery core
Six bread glue；
3) battery core is divided into 6 gears according to the capacity stepping section of setting, position, stepping is automatically transported to after battery core is encapsulated by stepping
Robot is placed in different material paths according to automatic stepping after test result barcode scanning, battery core is delivered to automatically next work
Position, blanking principle is that 10 batteries walk a step pitch；
4) combo stacks, and position is automatically transported to after battery core stepping, and first combo stacks robot and first put the taking-up of left side end plate
Wire body tooling underedge face is set, it is electric according to taking out from gear material path after mould group combo rule barcode scanning that second combo stacks robot
Core carries out automatic vertical assembling and stacks, first combo stack robot according to after mould group combo rule barcode scanning from gear material path
It taking out battery core and carries out automatic vertical assembling stacking, latter two right robot successively carries out the vertical module group assembling of battery core combo and stacks,
Last first combo stacks robot and right side end plate is taken out placement wire body tooling underedge face, and module group assembling position is all products
It is delivered to next station after preliminary clamping, battery core heap prestack reserves battery core dispensing station；
5) mould group plays band, and laser welding speed pipeline is transported to the mould group tentatively clamped and beats band station, lifting body automatically
Rising keeps pole upper surface concordant, guarantees pole flatness, surrounding pressure die group to corresponding size, and records the pressure that left and right compresses
Power and displacement, while after detecting battery core polarity there is no problem, tape punch makes a call to two bands automatically；
6) Laser Jet and Insulation test are beaten with after exhausted between battery core and end plate between being delivered to the adjacent battery core of lower station inspection two
Edge and pressure resistance, while carrying out laser molding group two dimensional code and reading；
7) it cleans pole and surveys height, Insulation monitoring is delivered to lower station progress laser by rear mold group and cleans pole automatically, cleans
Height and the position of detection pole are carried out simultaneously, and it is offline that the underproof mould group that insulate is transported to station below；
8) detect connection sheet height and carry out laser welding, manually installed busbar connector after laser cleaning pole, then mould group into
Enter automatic laser and be welded to connect piece station, detects height and the position of connection sheet before weldering again, highly normally just swashed with position
Photocoagulation connection sheet；
9) mould group DCIR is tested, and postwelding carries out mould group DCIR test, is carried out manual inspection laser welding quality after test again, is closed
The mould group of lattice is delivered to lower station and manually fills pressing plate, weld it is underproof carry out reprocessing return wire flow back into inside laser-beam welding machine
Carry out automatic repair welding；
10) pressing plate assembling and mould group are offline, and pressing plate assembles automatic riveter nail, and mould assembles after pressing plate by manually passing through under power assistant arm
Material caches platform or directly arrive lower station to mould group is packed into PACK cabinet.
Preferably, single battery core is in step 1 with a thickness of 20-30mm, battery core thickness deviation is less than positive and negative 1mm, beyond this model
It encloses for substandard product.
Preferably, rivet size is 5X10mm in the step 2.
Beneficial effects of the present invention: the Pack Wiring technology route elder generation stepping with industry prevalence, rear encapsulated difference, the present invention want
After the completion of asking single battery core encapsulated, direct stepping, this avoid the secondary feedings of battery core, greatly improve the automatic of assembly line
The battery performance of change degree, same class is close, so that battery life is longer, performance is more stable；Detection cycle is short, method letter
Single Yi Shixian, production operation is convenient, improves production efficiency；Automatic stepping after the battery core barcode scanning for wrapping glue is put in stepping robot
It sets in different material paths, before battery core flows to material position, two dimensional code is swept again, combo robot is assembled according to the mould of setting
Each gear battery core number in group principle, single and battery core number and stepping material path, dynamic generation combo scheme automatically grab end plate and right
Gear battery core is answered to be stacked, to guarantee the standardization and productive temp of product；Mould group automatic strapping machine, frontier nature of the present invention
The newest band of selection tie up technique, jacking transferring Mo Zu cooperates with stacking mould group, beat band mould group automatically and carry mould group respectively
Movement, completion mould group stacks automatically, automatic impaction, automatic band, automatic transporting to sealing wire carrier and the automatic back flow compression of beating are controlled
Tool, stabilization of equipment performance are good.
Specific embodiment
In order to be more clear goal of the invention of the invention, technical solution and its advantageous effects, below in conjunction with comparing
The present invention will be described in further detail with specific embodiment for example.It should be understood that the specific implementation of this specification description
Example is not intended to limit the present invention merely to the explanation present invention.
A kind of packaging technology of lithium battery mould group, comprising the following steps:
1) single battery core feeding detects, and takes out battery core feeding from cabinet, be automatically transported to each station carry out barcode scanning, cleaning soot blowing,
It is automatically transported to lower station after OCV/IR detection, thickness measuring, underproof product is detected and automatically takes out rejecting；
2) encapsulated, encapsulated processing is carried out to the qualified battery core of detection, 0.15mm thick polyimide indigo plant film is selected to be used for single battery core
Six bread glue, the Pack Wiring technology route elder generation stepping with industry prevalence, rear encapsulated difference, it is encapsulated complete that the present invention claims single battery cores
Cheng Hou, direct stepping, this avoid the secondary feedings of battery core, greatly improve the degree of automation of assembly line, same class
Battery performance it is close so that battery life is longer, performance is more stable；
3) battery core is divided into 6 gears according to the capacity stepping section of setting, position, stepping is automatically transported to after battery core is encapsulated by stepping
Robot is placed in different material paths according to automatic stepping after test result barcode scanning, battery core is delivered to automatically next work
Position, blanking principle is that 10 batteries walk a step pitch, and automatic stepping after the battery core barcode scanning for wrapping glue is put in stepping robot
It sets in different material paths, before battery core flows to material position, two dimensional code is swept again, combo robot is assembled according to the mould of setting
Each gear battery core number in group principle, single and battery core number and stepping material path, dynamic generation combo scheme automatically grab end plate and right
Gear battery core is answered to be stacked, to guarantee the standardization and productive temp of product；
4) combo stacks, and position is automatically transported to after battery core stepping, and first combo stacks robot and first put the taking-up of left side end plate
Wire body tooling underedge face is set, it is electric according to taking out from gear material path after mould group combo rule barcode scanning that second combo stacks robot
Core carries out automatic vertical assembling and stacks, first combo stack robot according to after mould group combo rule barcode scanning from gear material path
It taking out battery core and carries out automatic vertical assembling stacking, latter two right robot successively carries out the vertical module group assembling of battery core combo and stacks,
Last first combo stacks robot and right side end plate is taken out placement wire body tooling underedge face, and module group assembling position is all products
It is delivered to next station after preliminary clamping, battery core heap prestack reserves battery core dispensing station；
5) mould group plays band, and laser welding speed pipeline is transported to the mould group tentatively clamped and beats band station, lifting body automatically
Rising keeps pole upper surface concordant, guarantees pole flatness, surrounding pressure die group to corresponding size, and records the pressure that left and right compresses
Power and displacement, while after detecting battery core polarity there is no problem, tape punch makes a call to two bands automatically, and mould group automatic strapping machine selects forward position
Property newest band tie up technique, jacking transferring Mo Zu is moved with stacking mould group, beat band mould group automatically and carry the cooperation of mould group respectively
Make, complete mould group and stack automatically, automatic impaction, play band, automatic transporting to sealing wire carrier and automatic back flow pressing jig automatically,
Stabilization of equipment performance is good；
6) Laser Jet and Insulation test are beaten with after exhausted between battery core and end plate between being delivered to the adjacent battery core of lower station inspection two
Edge and pressure resistance, while carrying out laser molding group two dimensional code and reading；
7) it cleans pole and surveys height, Insulation monitoring is delivered to lower station progress laser by rear mold group and cleans pole automatically, cleans
Height and the position of detection pole are carried out simultaneously, and it is offline that the underproof mould group that insulate is transported to station below；
8) detect connection sheet height and carry out laser welding, manually installed busbar connector after laser cleaning pole, then mould group into
Enter automatic laser and be welded to connect piece station, detects height and the position of connection sheet before weldering again, highly normally just swashed with position
Photocoagulation connection sheet；
9) mould group DCIR is tested, and postwelding carries out mould group DCIR test, is carried out manual inspection laser welding quality after test again, is closed
The mould group of lattice is delivered to lower station and manually fills pressing plate, weld it is underproof carry out reprocessing return wire flow back into inside laser-beam welding machine
Carry out automatic repair welding；
10) pressing plate assembling and mould group are offline, and pressing plate assembles automatic riveter nail, and mould assembles after pressing plate by manually passing through under power assistant arm
Material caches platform or directly arrive lower station to mould group is packed into PACK cabinet.
Single battery core is less than positive and negative 1mm with a thickness of 20-30mm, battery core thickness deviation in step 1, is not conform to beyond this range
Lattice product.
Rivet size is 5X10mm in step 2.
According to the disclosure and teachings of the above specification, fields of the present invention obtain technical staff can also be to above-mentioned implementation
Mode is changed and is modified, and therefore, the present invention is not limited to above-mentioned specific embodiment, all those skilled in the art
Any conspicuous improvement, the replacement or modification that member is made on the basis of the present invention belong to protection model of the invention
It encloses.
Claims (3)
1. a kind of packaging technology of lithium battery mould group, it is characterised in that: the following steps are included:
1) single battery core feeding detects, and takes out battery core feeding from cabinet, be automatically transported to each station carry out barcode scanning, cleaning soot blowing,
It is automatically transported to lower station after OCV/IR detection, thickness measuring, underproof product is detected and automatically takes out rejecting；
2) encapsulated, encapsulated processing is carried out to the qualified battery core of detection, 0.15mm thick polyimide indigo plant film is selected to be used for single battery core
Six bread glue；
3) battery core is divided into 6 gears according to the capacity stepping section of setting, position, stepping is automatically transported to after battery core is encapsulated by stepping
Robot is placed in different material paths according to automatic stepping after test result barcode scanning, battery core is delivered to automatically next work
Position, blanking principle is that 10 batteries walk a step pitch；
4) combo stacks, and position is automatically transported to after battery core stepping, and first combo stacks robot and first put the taking-up of left side end plate
Wire body tooling underedge face is set, it is electric according to taking out from gear material path after mould group combo rule barcode scanning that second combo stacks robot
Core carries out automatic vertical assembling and stacks, first combo stack robot according to after mould group combo rule barcode scanning from gear material path
It taking out battery core and carries out automatic vertical assembling stacking, latter two right robot successively carries out the vertical module group assembling of battery core combo and stacks,
Last first combo stacks robot and right side end plate is taken out placement wire body tooling underedge face, and module group assembling position is all products
It is delivered to next station after preliminary clamping, battery core heap prestack reserves battery core dispensing station；
5) mould group plays band, and laser welding speed pipeline is transported to the mould group tentatively clamped and beats band station, lifting body automatically
Rising keeps pole upper surface concordant, guarantees pole flatness, surrounding pressure die group to corresponding size, and records the pressure that left and right compresses
Power and displacement, while after detecting battery core polarity there is no problem, tape punch makes a call to two bands automatically；
6) Laser Jet and Insulation test are beaten with after exhausted between battery core and end plate between being delivered to the adjacent battery core of lower station inspection two
Edge and pressure resistance, while carrying out laser molding group two dimensional code and reading；
7) it cleans pole and surveys height, Insulation monitoring is delivered to lower station progress laser by rear mold group and cleans pole automatically, cleans
Height and the position of detection pole are carried out simultaneously, and it is offline that the underproof mould group that insulate is transported to station below；
8) detect connection sheet height and carry out laser welding, manually installed busbar connector after laser cleaning pole, then mould group into
Enter automatic laser and be welded to connect piece station, detects height and the position of connection sheet before weldering again, highly normally just swashed with position
Photocoagulation connection sheet；
9) mould group DCIR is tested, and postwelding carries out mould group DCIR test, is carried out manual inspection laser welding quality after test again, is closed
The mould group of lattice is delivered to lower station and manually fills pressing plate, weld it is underproof carry out reprocessing return wire flow back into inside laser-beam welding machine
Carry out automatic repair welding；
10) pressing plate assembling and mould group are offline, and pressing plate assembles automatic riveter nail, and mould assembles after pressing plate by manually passing through under power assistant arm
Material caches platform or directly arrive lower station to mould group is packed into PACK cabinet.
2. a kind of packaging technology of lithium battery mould group as described in claim 1, it is characterised in that: single battery core is thick in step 1
Degree is 20-30mm, and battery core thickness deviation is less than positive and negative 1mm, is substandard product beyond this range.
3. a kind of packaging technology of lithium battery mould group as described in claim 1, which is characterized in that rivet is big in the step 2
Small is 5X10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811437074.6A CN109585935B (en) | 2018-11-28 | 2018-11-28 | Assembling process of lithium battery module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811437074.6A CN109585935B (en) | 2018-11-28 | 2018-11-28 | Assembling process of lithium battery module |
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| CN109585935B CN109585935B (en) | 2021-07-23 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112451A (en) * | 2019-05-14 | 2019-08-09 | 郑州大学 | A kind of battery core intelligently matches group platform and its method for group matching |
| CN112018450A (en) * | 2020-08-14 | 2020-12-01 | 青岛国轩电池有限公司 | High-energy-density cylindrical lithium battery module assembly process |
| CN112363067A (en) * | 2020-01-14 | 2021-02-12 | 万向一二三股份公司 | Low-voltage lithium ion power battery pack insulation and voltage resistance testing mechanism and application |
| CN112857237A (en) * | 2021-01-15 | 2021-05-28 | 合肥国轩高科动力能源有限公司 | Battery cell height measuring device |
| CN114639876A (en) * | 2022-04-15 | 2022-06-17 | 浙江集秀云工业互联科技有限公司 | Support PACK production line equipment and intelligent management and control platform of many money lithium cell modules |
| CN114799594A (en) * | 2022-04-01 | 2022-07-29 | 中国第一汽车股份有限公司 | Welding quality control method for square module bus |
| CN115950488A (en) * | 2023-03-10 | 2023-04-11 | 超音速人工智能科技股份有限公司 | Lithium battery full-line production quality detection method, system and platform |
| CN116154260A (en) * | 2023-03-02 | 2023-05-23 | 惠州市德赛智储科技有限公司 | Method for producing bracket-free battery module in box, electronic equipment and storage medium |
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| CN110112451A (en) * | 2019-05-14 | 2019-08-09 | 郑州大学 | A kind of battery core intelligently matches group platform and its method for group matching |
| CN112363067A (en) * | 2020-01-14 | 2021-02-12 | 万向一二三股份公司 | Low-voltage lithium ion power battery pack insulation and voltage resistance testing mechanism and application |
| CN112018450A (en) * | 2020-08-14 | 2020-12-01 | 青岛国轩电池有限公司 | High-energy-density cylindrical lithium battery module assembly process |
| CN112857237A (en) * | 2021-01-15 | 2021-05-28 | 合肥国轩高科动力能源有限公司 | Battery cell height measuring device |
| CN114799594A (en) * | 2022-04-01 | 2022-07-29 | 中国第一汽车股份有限公司 | Welding quality control method for square module bus |
| CN114639876A (en) * | 2022-04-15 | 2022-06-17 | 浙江集秀云工业互联科技有限公司 | Support PACK production line equipment and intelligent management and control platform of many money lithium cell modules |
| CN116154260A (en) * | 2023-03-02 | 2023-05-23 | 惠州市德赛智储科技有限公司 | Method for producing bracket-free battery module in box, electronic equipment and storage medium |
| CN115950488A (en) * | 2023-03-10 | 2023-04-11 | 超音速人工智能科技股份有限公司 | Lithium battery full-line production quality detection method, system and platform |
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Denomination of invention: Assembly process of a lithium battery module Effective date of registration: 20231124 Granted publication date: 20210723 Pledgee: Jiangxi Guangxin Rural Commercial Bank Co.,Ltd. Pledgor: JIANGXI ANC NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2023980067648 |