CN110444702A - Storage device is used in a kind of production of lithium ion battery - Google Patents
Storage device is used in a kind of production of lithium ion battery Download PDFInfo
- Publication number
- CN110444702A CN110444702A CN201810410825.9A CN201810410825A CN110444702A CN 110444702 A CN110444702 A CN 110444702A CN 201810410825 A CN201810410825 A CN 201810410825A CN 110444702 A CN110444702 A CN 110444702A
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- battery
- annular passage
- shell
- slot
- storage device
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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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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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Hybrid Cells (AREA)
Abstract
The invention discloses a kind of lithium ion battery production storage devices, including shell, the center position of the interior of shell is provided with battery storing plate, the upper surface of the battery storing plate offers storage groove, active carbon drawer is provided in the lithium battery storage device annular passage and at fan opposite position, fan enables circulated air constantly to contact with active carbon in rotation, enables active carbon to fully absorb the moisture in air, substantially increases drying effect；And annular passage bottom and battery corresponding position are provided with mobilizable anode connector, sealing cover and battery corresponding position are provided with positive terminal simultaneously, after periodically storage a period of time, connector and battery can be made to be powered, activated batteries simultaneously consume weak current, so that LED light illuminates, battery is avoided not have to lead to irreversible self discharge for a long time, there is the loss of capacity, while also having detected whether that cell damage is unavailable, substantially increases the quality surveillance to battery.
Description
Technical field
The invention belongs to battery storage equipment technical fields, and in particular to storage device is used in a kind of production of lithium ion battery.
Background technique
It by lithium metal or lithium alloy is negative electrode material, using the battery of non-aqueous electrolytic solution, lithium electricity that lithium battery, which is a kind of,
There are two types of the production methods in pond, one kind to roll, another lamination, generally rolling is cylindrical battery, but due to lithium battery
Various properties, it is very stringent for the memory requirement of cylindrical battery, and current lithium ion battery production storage device still has
A little shortcoming.
Lithium battery is since its surface is steel shell, and when long-term storage and larger ambient humidity, surface gets rusty easily, and influences battery
Use, although battery store interior controls temperature and humidity by central air-conditioning, since range is larger, and general battery is deposited
Storage device structure is simple, and storage device is stacked upon again, causes the influence of internal cell by ambient temperature and humidity shadow
Sound is smaller, and warehouse environment is more shady and cool, very easy dampness；And after lithium battery long term storage, it may occur that the loss of capacity is led
It sends a telegraph the performance decline in pond, etc. problem and need our solutions.
Summary of the invention
The purpose of the present invention is to provide a kind of lithium ion battery production storage devices, to solve in above-mentioned background technique
The lithium battery of proposition is since its surface is steel shell, and when long-term storage and larger ambient humidity, surface gets rusty easily, and influences battery
It uses, although battery store interior controls temperature and humidity by central air-conditioning, since range is larger, and general battery storage
Apparatus structure is simple, and storage device is stacked upon again, and the influence of internal cell is caused to be influenced by ambient temperature and humidity
It is smaller, and warehouse environment is more shady and cool, very easy dampness；And after lithium battery long term storage, it may occur that the loss of capacity causes
The problem of performance decline of battery.
To achieve the above object, the invention provides the following technical scheme: a kind of lithium ion battery production storage device, packet
Shell is included, the center position of the interior of shell is provided with battery storing plate, and the upper surface of the battery storing plate offers
Storage groove, the center position of the storage groove, which offers, connects electric hole, is provided with annular passage below the battery storing plate,
And the front and rear sides of battery storing plate pass through tracheae and connect with annular passage pipeline, the left and right sides of the battery storing plate is equal
It is connect by ventilator with annular passage pipeline, wind is installed at the inside of the annular passage and the opposite position of ventilator
Fan, the bottom of the annular passage and connects and offers connector perforation at electric hole opposite position, and the inside of the connector perforation is set
It is equipped with anode connector, resistance is provided with below the anode connector, the edge of the upper surface of outer cover offers slot, and
It is provided with sealing cover above shell, plug is provided at the lower surface of the sealing cover and slot opposite position, it is described to insert
Slot and plug are fitting to connection, and the center position of the sealing cover is provided with LED lamp panel, the upper surface of the LED lamp panel with deposit
It puts and LED light is installed at slot opposite position, and be provided with anode at the lower surface of LED lamp panel and LED light opposite position and connect
Head, the left and right ends of the LED lamp panel are provided with connecting rod, and LED lamp panel is connect by rotational pin with link rotatable, the company
Bar is provided with rotating bar far from one end of LED lamp panel, and connecting rod is rotatablely connected by rotational pin and rotating bar, in the rotating bar
Locking holes are offered, locking block are installed at the shell and locking holes opposite position, the anode connector, resistance successively lead to
It crosses electric wire to connect with slot, the positive terminal, LED light pass sequentially through electric wire and connect with plug, and the fan is inserted by power supply
Seat is electrically connected with extraneous power supply.
Preferably, the edge of the annular passage is provided with active carbon drawer, the top setting of the active carbon drawer
There is piston block, and is provided with activated charcoal below piston block.
Preferably, spring is arranged on the anode connector, the left and right ends below the annular passage are provided with branch
Strut, is provided with sliding bar above the support rod, and support rod issues that and is provided with downslide lever, the annular
The left and right ends of air duct front surface offer upper sliding slot, and the upper sliding slot is slidably connected with upper sliding bar, the shell
Internal left and right ends offer lower slider slot, and the lower slider slot is slidably connected with downslide lever, the front of the shell and
Handwheel is provided at support rod opposite position, the center position of the support rod is fixedly connected with the hand wheel.
Preferably, the locking block is made of fixed block and movable block, and the movable block is turned by rotational pin and fixed block
Dynamic connection, the fixed block and locking holes are fitting to connection.
Preferably, the inside of the ventilator offers intensive wind-tunnel.
Compared with prior art, the beneficial effects of the present invention are: the lithium battery storage device is internally provided with battery storing
Lithium battery being placed on battery storing plate one by one can be avoided mutual contact, while wind by plate and annular passage
Fan provides air-flow inside annular passage, after air-flow enters the lower section of battery storing plate, is again introduced into annular passage by tracheae,
Circulation air path is formed, by air-cooled so that battery keeps low temperature, convenient for storage；The position corresponding with fan in annular passage simultaneously
The place of setting is provided with active carbon drawer, and fan enables circulated air constantly to contact with active carbon in rotation, enables active carbon
The moisture in air is enough fully absorbed, drying effect is substantially increased；And annular passage bottom and battery corresponding position are arranged
There is mobilizable anode connector, while sealing cover and battery corresponding position are provided with positive terminal, at one section of regular storage
Between after, connector and battery can be made to be powered, activated batteries simultaneously consume weak current, so that LED light illuminates, do not avoid battery for a long time not
With irreversible self discharge is caused, there is the loss of capacity, while also having detected whether that cell damage is unavailable, substantially increases
Quality surveillance to battery.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is main view of the invention；
Fig. 3 is battery storing plate top view of the invention；
Fig. 4 is active carbon drawer entity effect picture of the invention；
Fig. 5 is locking block entity effect picture of the invention；
Fig. 6 is ventilator entity effect picture of the invention.
In figure: 1- shell, 2- locking block, 3- rotating bar, 4- locking holes, 5- connecting rod, 6-LED lamp plate, 7-LED lamp, 8- are just
Pole connector, 9- plug, 10- slot, 11- ventilator, 12- fan, 13- active carbon drawer, 14- resistance, 15- spring, 16- cathode
Connector, 17- connector perforation, 18- support rod, 19- upper sliding slot, the upper sliding bar of 20-, 21- lower slider slot, 22- downslide lever,
23- battery storing plate, 24- storage groove, 25- connect electric hole, 26- annular passage, 27- tracheae, 28- sealing cover, 29- handwheel, 30- work
Chock, 31- activated charcoal, 32- movable block, 33- fixed block, 34- wind-tunnel.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-6 is please referred to, the present invention provides a kind of technical solution: a kind of lithium ion battery production storage device, including
Shell 1, the center position inside shell 1 are provided with battery storing plate 23, and the upper surface of battery storing plate 23 offers storage
Slot 24, the center position of storage groove 24, which offers, connects electric hole 25, and the lower section of battery storing plate 23 is provided with annular passage 26, and
The front and rear sides of battery storing plate 23 pass through tracheae 27 and connect with 26 pipeline of annular passage, the left and right sides of battery storing plate 23
It is connect by ventilator 11 with 26 pipeline of annular passage, is pacified at the inside of annular passage 26 and the opposite position of ventilator 11
Equipped with fan 12, the bottom of annular passage 26 and connects and offer connector perforation 17, connector perforation 17 at electric 25 opposite position of hole
Be internally provided with anode connector 16, the lower section of anode connector 16 is provided with resistance 14, and the edge of 1 upper surface of shell offers
Slot 10, and the top of shell 1 is provided with sealing cover 28, is provided at the lower surface of sealing cover 28 and 10 opposite position of slot
Plug 9, slot 10 and plug 9 are fitting to connection, and the center position of sealing cover 28 is provided with LED lamp panel 6, the upper table of LED lamp panel 6
LED light 7 is installed at face and 24 opposite position of storage groove, and is set at the lower surface of LED lamp panel 6 and 7 opposite position of LED light
It is equipped with positive terminal 8, the left and right ends of LED lamp panel 6 are provided with connecting rod 5, and LED lamp panel 6 is rotated by rotational pin and connecting rod 5
Connection, connecting rod 5 is provided with rotating bar 3 far from one end of LED lamp panel 6, and connecting rod 5 is rotatablely connected by rotational pin and rotating bar 3,
Locking holes 4 are offered in rotating bar 3, and locking block 2, anode connector 16, electricity are installed at shell 1 and 4 opposite position of locking holes
Resistance 14 passes sequentially through electric wire and connect with slot 10, and positive terminal 8, LED light 7 pass sequentially through electric wire and connect with plug 9, and fan 12 is logical
It crosses power outlet and extraneous power supply is electrically connected.
In the present embodiment, it is preferred that the edge of annular passage 26 is provided with active carbon drawer 13, active carbon drawer 13
Top is provided with piston block 30, and the lower section of piston block 30 is provided with activated charcoal 31, and the inside of activated charcoal 31 is filled with work
Property charcoal, active carbon is black powder or bulk, graininess, cellular amorphous carbon, also there is the crystal carbon of arranged regular, living
Property charcoal there is the characteristic of dry water suction, can to keep drying inside annular passage 26, battery is avoided to make moist, lead to battery steel
Shell gets rusty, and influences the use of battery；And it is provided with active carbon drawer 13 at 12 opposite position of fan in annular passage 26,
Fan 12 enables circulated air constantly to contact with active carbon in rotation, and active carbon is enabled to fully absorb the water in air
Point, drying effect is substantially increased, while active carbon drawer 13 can be extracted out, be convenient for changing, and the insertion of piston block 30 can be with
Avoid the evolution of air-flow.
In the present embodiment, it is preferred that be arranged with spring 15 on anode connector 16, the left and right ends of 26 lower section of annular passage are equal
It is provided with support rod 18, the top of support rod 18 is provided with sliding bar 20, and support rod 18 issues that and is provided with downslide
Lever 22, the left and right ends of 26 front surface of annular passage offer upper sliding slot 19, and upper sliding slot 19 and upper sliding bar 20 are sliding
Dynamic to connect, the left and right ends inside shell 1 offer lower slider slot 21, and lower slider slot 21 is slidably connected with downslide lever 22, outside
Handwheel 29 is provided at the front of shell 1 and 18 opposite position of support rod, the center position and handwheel 29 of support rod 18 are fixed
Connection can make positive terminal 8 contact with the anode of battery, then make handwheel 29 by both hands after storing a period of time
It rotates towards each other, handwheel 29 drives support rod 18 to rotate, and the upper sliding bar 20 of 18 top of support rod is along in upper sliding slot 19 at this time
Sliding, and the downslide lever 22 of the lower section of support rod 18 is slided in lower slider slot 21, so that support rod 18 tilts, entire ring at this time
Shape air duct 26 is pressed downward, while spring 15 is compressed, and anode connector 16 contacts the cathode of battery at this time, at this time on sealing cover 28
LED light 7 is powered, and activated batteries simultaneously consume weak current so that LED light 7 illuminates, avoid battery do not have to cause for a long time it is irreversible
There is the loss of capacity in self discharge, while also having detected whether that battery stores for a long time and it is unavailable to damage, and substantially increases to electricity
The quality surveillance in pond.
In the present embodiment, it is preferred that locking block 2 is made of fixed block 33 and movable block 32, and movable block 32 passes through rotational pin
It is rotatablely connected with fixed block 33, fixed block 33 and locking holes 4 are fitting to connection, it is required that positive terminal 8 and the anode of battery connect
When touching, so that movable block 32 is parallel with fixed block 33, it can then make rotating bar 3 laterally rotate with turn movable block 32, make
The locking holes 4 and fixed block 33 obtained in rotating bar 3 are detached from, and the personnel of proceeding with one's work can be downwardly applied to pressure to LED lamp panel 6, add
The self weight of upper LED lamp panel 6, so that the positive terminal 8 of 6 bottom of LED lamp panel is contacted with the anode of battery, it is easy to operate, and due to
LED lamp panel 6 and the electric wire of 9 coupling part of plug are reserved longer, and are enclosed with nylon cloth on the surface of this part electric wire, increase
The toughness of electric wire avoids LED lamp panel 6 from causing electric wire to be pulled off when moving down.
In the present embodiment, it is preferred that the inside of ventilator 11 offers intensive wind-tunnel 34, since fan 12 starts just
When rotation, the space of air-flow flowing is larger, when passing through from the wind-tunnel in ventilator 11, due to 34 narrow, the air-flow in inside of wind-tunnel
By speed faster can shorten air-flow in 23 bottom residence time of battery storing plate, substantially increase the effect of heat exchange
Fruit, is more suitable the low-temperature storage of battery.
In the present embodiment, it is preferred that be arranged with insulation sleeve on the side wall of anode connector 16, avoid anode connector 16 careless
It is contacted with the spring 17 of irony, leads to short circuit or failure occur.
Working principle: the present invention is in use, user can be placed on battery 23 upper surface of battery storing plate first
In storage groove 24, sealing cover 28 is then covered, and the connecting rod 5 on rotary seal lid 28, so that it is lain low on sealing cover 28, then
Turn rotating bar 3 makes its bending, and keeps vertical with connecting rod 5, then packs into the locking holes 4 in rotating bar 3 in locking block 2,
Then the movable block 32 on turn locking block 2, completion is sealed, so that sealing cover 28 and shell 1 keep closed state, then passes through
Extraneous power initiation fan 12, since fan 12 is when just starting turning, the space of air-flow flowing is larger, when out of ventilator 11
Wind-tunnel when passing through, since 34 inside of wind-tunnel is narrow, the speed that air-flow passes through faster can shorten air-flow at 23 bottom of battery storing plate
Portion's residence time substantially increases the effect of heat exchange, after air-flow enters the lower section of battery storing plate 23, passes through tracheae 27
It is again introduced into annular passage 26, forms circulation air path, by air-cooled so that battery keeps low temperature, convenient for storage, while in annular
In air duct 26 be provided with active carbon drawer 13 at 12 opposite position of fan, fan 12 enable in rotation circulated air with
Active carbon constantly contacts, and enables active carbon to fully absorb the moisture in air, substantially increases drying effect, when preservation one
After the section time, so that movable block 32 is parallel with fixed block 33, it can then make rotating bar 3 outside with turn movable block 32
Side rotation, so that the locking holes 4 and fixed block 33 in rotating bar 3 are detached from, the personnel of proceeding with one's work can be applied downwards LED lamp panel 6
Plus-pressure, in addition then the self weight of LED lamp panel 6 is led to so that the positive terminal 8 of 6 bottom of LED lamp panel is contacted with the anode of battery
Crossing both hands rotates towards each other handwheel 29, and handwheel 29 drives support rod 18 to rotate, at this time the upper sliding bar 20 of 18 top of support rod
It is slided in upper sliding slot 19, and the downslide lever 22 of 18 lower section of support rod is slided in lower slider slot 21, so that support rod
18 inclinations, entire annular passage 26 is pressed downward at this time, while spring 15 is compressed, and anode connector 16 contacts the negative of battery at this time
Pole, the LED light 7 on sealing cover 28 is powered at this time, and activated batteries simultaneously consume weak current, so that LED light 7 illuminates, avoids battery
It is long-term not have to lead to irreversible self discharge, there is the loss of capacity, while also having detected whether that battery is stored for a long time and damaged
It is unavailable, the quality surveillance to battery is substantially increased, entire workflow terminates.
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 (5)
1. a kind of lithium ion battery production storage device, including shell (1), it is characterised in that: during the shell (1) is internal
It is provided at the heart position battery storing plate (23), the upper surface of the battery storing plate (23) offers storage groove (24), described
The center position of storage groove (24), which offers, to be connect electric hole (25), is provided with annular passage below the battery storing plate (23)
(26), and the front and rear sides of battery storing plate (23) pass through tracheae (27) and connect with annular passage (26) pipeline, the battery
The left and right sides of storing board (23) passes through ventilator (11) and connect with annular passage (26) pipeline, the annular passage (26)
It is equipped with fan (12) at the internal opposite positions with ventilator (11), the bottom of the annular passage (26) and connects electric hole
(25) it being offered at opposite position connector perforation (17), the connector perforation (17) is internally provided with anode connector (16),
It being provided with resistance (14) below the anode connector (16), the edge of shell (1) upper surface offers slot (10),
And sealing cover (28) are provided with above shell (1), at the lower surface of the sealing cover (28) and slot (10) opposite position
It is provided with plug (9), the slot (10) and plug (9) are fitting to connection, and the center position of the sealing cover (28) is provided with
It is equipped with LED light (7) at LED lamp panel (6), the upper surface of the LED lamp panel (6) and storage groove (24) opposite position, and LED
It is provided with positive terminal (8) at the lower surface of lamp plate (6) and LED light (7) opposite position, the left and right two of the LED lamp panel (6)
End is provided with connecting rod (5), and LED lamp panel (6) is rotatablely connected by rotational pin and connecting rod (5), and the connecting rod (5) is far from LED
One end of lamp plate (6) is provided with rotating bar (3), and connecting rod (5) is rotatablely connected by rotational pin and rotating bar (3), the rotation
It offers on bar (3) locking holes (4), is equipped with locking block (2) at the shell (1) and locking holes (4) opposite position, it is described
Anode connector (16), resistance (14) pass sequentially through electric wire and connect with slot (10), and the positive terminal (8), LED light (7) are successively
It is connect by electric wire with plug (9), the fan (12) is electrically connected by power outlet and extraneous power supply.
2. a kind of lithium ion battery production storage device according to claim 1, it is characterised in that: the annular passage
(26) edge is provided with active carbon drawer (13), is provided with piston block (30) above the active carbon drawer (13), and
Activated charcoal (31) are provided with below piston block (30).
3. a kind of lithium ion battery production storage device according to claim 1, it is characterised in that: the anode connector
(16) it is arranged on spring (15), the left and right ends below the annular passage (26) are provided with support rod (18), the branch
It is provided with above strut (18) sliding bar (20), and support rod (18) issues that and is provided with downslide lever (22), institute
The left and right ends for stating annular passage (26) front surface offer upper sliding slot (19), the upper sliding slot (19) and upper sliding bar
(20) it is slidably connected, the internal left and right ends of the shell (1) offer lower slider slot (21), and the lower slider slot (21) is under
Sliding bar (22) is slidably connected, and is provided with handwheel (29), institute at the front of the shell (1) and support rod (18) opposite position
The center position for stating support rod (18) is fixedly connected with handwheel (29).
4. a kind of lithium ion battery production storage device according to claim 1, it is characterised in that: the locking block
(2) it being made of fixed block (33) and movable block (32), the movable block (32) is rotatablely connected by rotational pin and fixed block (33),
The fixed block (33) and locking holes (4) are fitting to connection.
5. a kind of lithium ion battery production storage device according to claim 1, it is characterised in that: the ventilator
(11) inside offers intensive wind-tunnel (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810410825.9A CN110444702A (en) | 2018-05-02 | 2018-05-02 | Storage device is used in a kind of production of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810410825.9A CN110444702A (en) | 2018-05-02 | 2018-05-02 | Storage device is used in a kind of production of lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110444702A true CN110444702A (en) | 2019-11-12 |
Family
ID=68428097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810410825.9A Pending CN110444702A (en) | 2018-05-02 | 2018-05-02 | Storage device is used in a kind of production of lithium ion battery |
Country Status (1)
| Country | Link |
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| CN (1) | CN110444702A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952684A (en) * | 2020-08-07 | 2020-11-17 | 许玲玲 | Portable battery maintenance warning device |
| CN112320076A (en) * | 2020-11-24 | 2021-02-05 | 付才 | A deposit for novel lithium cell production device |
| WO2022265482A1 (en) * | 2021-06-15 | 2022-12-22 | 주식회사 엘지에너지솔루션 | Apparatus and method for checking for mis-assembly of battery cell activation tray or twisting thereof during operation |
-
2018
- 2018-05-02 CN CN201810410825.9A patent/CN110444702A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952684A (en) * | 2020-08-07 | 2020-11-17 | 许玲玲 | Portable battery maintenance warning device |
| CN112320076A (en) * | 2020-11-24 | 2021-02-05 | 付才 | A deposit for novel lithium cell production device |
| WO2022265482A1 (en) * | 2021-06-15 | 2022-12-22 | 주식회사 엘지에너지솔루션 | Apparatus and method for checking for mis-assembly of battery cell activation tray or twisting thereof during operation |
| CN116323414A (en) * | 2021-06-15 | 2023-06-23 | 株式会社Lg新能源 | Inspection device and inspection method for bad assembly of battery cell activation trays or distortion during operation |
| CN116323414B (en) * | 2021-06-15 | 2024-05-14 | 株式会社Lg新能源 | Inspection device and inspection method for bad assembly of battery cell activation trays or distortion during operation |
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Application publication date: 20191112 |
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| WD01 | Invention patent application deemed withdrawn after publication |