CN212648320U - Lithium battery parallel-connection forming cabinet - Google Patents
Lithium battery parallel-connection forming cabinet Download PDFInfo
- Publication number
- CN212648320U CN212648320U CN202021381271.3U CN202021381271U CN212648320U CN 212648320 U CN212648320 U CN 212648320U CN 202021381271 U CN202021381271 U CN 202021381271U CN 212648320 U CN212648320 U CN 212648320U
- Authority
- CN
- China
- Prior art keywords
- cabinet
- formation
- drying chambers
- cabinet body
- lithium battery
- 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.)
- Expired - Fee Related
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 16
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 41
- 238000001035 drying Methods 0.000 claims abstract description 34
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000007789 gas Substances 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 7
- 238000005192 partition Methods 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 229910001873 dinitrogen Inorganic materials 0.000 abstract description 4
- 239000000567 combustion gas Substances 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model discloses a parallel lithium battery forming cabinet, which comprises a cabinet body, wherein the cabinet body comprises a plurality of drying chambers, and through holes are arranged on the partition boards between the drying chambers which are adjacent up and down, so that the drying chambers are communicated with each other; the bottom of the cabinet body is provided with an installation cavity, a gas pipe is arranged in the installation cavity, the gas pipe comprises a plurality of branches, the branches are communicated with the inside of the drying chamber, and the gas pipe is externally connected with a nitrogen source; the top of the cabinet body is provided with a plurality of air outlets, each air outlet corresponds to the drying chambers which are longitudinally arranged, and an exhaust fan is arranged in each air outlet; and the drying chambers are internally provided with formation mechanisms. The utility model discloses can once only become a plurality of batteries, save and become the space, reduce the operation, become in addition and input nitrogen gas cooperation exhaust fan in the cabinet and make the battery become to produce gaseous discharging rapidly for the SEI membrane forms evenly, becomes effectual, and the workman can not direct contact moreover and becomes the combustion gas, has guaranteed that workman's is healthy.
Description
Technical Field
The utility model relates to a lithium cell technical field, concretely relates to lithium cell parallelly connected becomes cabinet.
Background
In the production process of the lithium ion battery, formation is an extremely important process, and the formation refers to the process of carrying out first charge and discharge on the battery after liquid injection, and mainly has the main functions of forming a compact SEI (solid electrolyte Interface) film on the surface of a negative electrode through an electrochemical reaction in the first charge, and simultaneously removing gas generated in the process of forming the SEI film to prevent the battery from generating bad phenomena such as gas expansion and shell bulging. At present, the opening formation process that the battery is placed in a workshop is mostly adopted in the industry, and gas generated in the formation process in the mode is gathered in the battery due to insufficient discharge, so that the SEI film formed by formation is greatly influenced; in addition, the existing formation cabinet can only form one battery once through one channel, and in order to prevent the battery from absorbing moisture and prevent electrolyte brought out during formation exhaust from corroding the battery shell, a paper towel needs to be tied at a liquid injection port of each battery, and the battery shell needs to be cleaned according to the moisture and leakage conditions, so that the production efficiency is low, and the labor cost and the production cost are increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lithium cell becomes cabinet in parallel to the defect and not enough of prior art.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a lithium cell becomes cabinet in parallel, includes the cabinet body, the internal a plurality of drying chambers that include of cabinet, its innovation point lies in: through holes are formed in the partition plate between the upper drying chamber and the lower drying chamber, so that the drying chambers are communicated; the bottom of the cabinet body is provided with an installation cavity, a gas pipe is arranged in the installation cavity, the gas pipe comprises a plurality of branches, the branches are communicated with the inside of the drying chamber, and the gas pipe is externally connected with a nitrogen source; the top of the cabinet body is provided with a plurality of air outlets, each air outlet corresponds to the drying chambers which are longitudinally arranged, and an exhaust fan is arranged in each air outlet; and the drying chambers are internally provided with formation mechanisms.
Further, the formation mechanism comprises a base and a portal frame, wherein a lifting cylinder is arranged at the bottom of the base, a formation groove is formed in the upper surface of the base, a plurality of placing grooves for placing batteries are formed in the formation groove, a copper sheet is arranged at the bottom of each placing groove and is in contact with the negative electrode of each battery, and each copper sheet is provided with a lead and is electrically connected with a charging device; the portal frame is provided with a plurality of cap sleeves, the cap sleeves are provided with conductive columns, the lower ends of the conductive columns are in full contact with the positive electrode of the lithium battery, the upper ends of the conductive columns are provided with wires, and the plurality of wires are connected in parallel and then electrically connected with the charging device.
Furthermore, a guide post is arranged between the base and the portal frame.
Furthermore, the opening of the cap sleeve is of a horn mouth structure.
Furthermore, the cap sleeves correspond to the placing grooves one to one.
After the structure is adopted, the utility model discloses beneficial effect does:
the utility model has simple structure and convenient use; the utility model discloses can once only become a plurality of batteries, save and become the space, reduce the operation, become in addition and input nitrogen gas cooperation exhaust fan in the cabinet and make the battery become to produce gaseous discharging rapidly for the SEI membrane forms evenly, becomes effectual, and the workman can not direct contact moreover and becomes the combustion gas, has guaranteed that workman's is healthy.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the formation mechanism of the present invention.
Description of reference numerals:
the device comprises a cabinet body 1, a drying chamber 2, a through hole 3, an installation cavity 4, a gas pipe 5, a nitrogen source 6, an air outlet 7, an exhaust fan 8, a formation mechanism 9, a base 91, a portal frame 92, a lifting cylinder 93, a formation groove 94, a placement groove 95, a copper sheet 96, a cap sleeve 97, a conductive column 98 and a guide column 99.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
Referring to fig. 1, a parallel lithium battery formation cabinet comprises a cabinet body 1, wherein the cabinet body 1 comprises a plurality of drying chambers 2, and through holes 3 are formed in partition plates between the upper drying chamber 2 and the lower drying chamber 2, so that the drying chambers are communicated; the bottom of the cabinet body 1 is provided with an installation cavity 4, a gas pipe 5 is arranged in the installation cavity 4, the gas pipe 5 comprises a plurality of branches, the branches are communicated with the interior of the drying chamber 1, and the gas pipe 5 is externally connected with a nitrogen source 6; the top of the cabinet body 1 is provided with a plurality of air outlets 7, each air outlet corresponds to a drying chamber which is longitudinally arranged, and an exhaust fan 8 is arranged in each air outlet; the drying chamber 2 is provided with a formation mechanism 9. Specifically, dry nitrogen gas enters into drying chamber 2 in cabinet body 1 from gas-supply pipe 5 in, then discharges from air outlet 7 and exhaust fan 8 behind a plurality of drying chambers 2, through 3-5 minutes after, all maintain the dry state of only nitrogen gas in drying chamber 2 for when forming mechanism 9 company, the SEI membrane formation is even, and it is effectual to form, and the workman can not direct contact and forms the combustion gas, has guaranteed that the workman is healthy.
Referring to fig. 2, the formation mechanism 9 includes a base 91 and a gantry 92, a lifting cylinder 93 is disposed at the bottom of the base 92, a formation groove 94 is disposed on the upper surface of the base, a plurality of placing grooves 95 for placing batteries are started in the formation groove 94, a copper sheet 96 is disposed at the bottom of the placing grooves 95, the copper sheet 96 is in contact with the negative electrode of the battery, and the copper sheet 96 is provided with a lead wire and electrically connected with a charging device; portal frame 92 is last to set up a plurality of caps 97, sets up on caps 97 and leads electrical pillar 98, and the lower extreme that leads electrical pillar 98 fully contacts with the positive pole of lithium cell, and the upper end that leads electrical pillar 98 sets up the wire, and a plurality of wires connect in parallel back and charging device electric connection. Specifically, the battery is placed in the placing groove 95, then the lifting cylinder 93 is started, so that the formation groove 94 drives the battery to rise, the positive end of the battery is embedded into the cap sleeve 97, and after the batteries are connected in parallel, the charging device performs constant-current voltage-limiting charging on the battery in the formation groove 94; the specific formation current of the constant-current voltage-limiting charging is determined according to the charging current required by each lithium ion battery for pre-formation and the number of the lithium ion batteries connected in parallel, and the formation voltage is determined according to the upper charging limit of the pre-formation battery voltage.
In this embodiment, the guide post 99 is disposed between the base 91 and the gantry 92, so as to ensure stability and reliability of the formation tank 94 during ascending, and avoid shaking.
In this embodiment, the opening of the cap 97 is of a bell mouth structure, so that the positive terminal of the battery can be smoothly inserted into the cap 97.
In this embodiment, the caps 97 correspond to the placement grooves 95 one by one.
The utility model discloses a theory of operation:
placing the battery in the placing groove 95, starting the lifting cylinder 93 to enable the formation groove 94 to drive the battery to ascend, embedding the positive end of the battery into the cap sleeve 97, and enabling the charging device to perform constant-current voltage-limiting charging on the battery in the formation groove 94 after the batteries are connected in parallel; meanwhile, dry nitrogen enters the drying chamber 2 in the cabinet body 1 from the gas conveying pipe 5, then is discharged from the air outlet 7 and the exhaust fan 8 after passing through the plurality of drying chambers 2, and is maintained in a dry state only with nitrogen in the drying chamber 2 after 3-5 minutes, so that when a formation mechanism 9 company, an SEI film is formed uniformly, the formation effect is good, a worker cannot directly contact with the gas discharged by the formation mechanism, and the health of the worker is ensured.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. The utility model provides a lithium cell becomes cabinet in parallel, includes the cabinet body, the internal a plurality of drying chambers that include of cabinet, its characterized in that: through holes are formed in the partition plate between the upper drying chamber and the lower drying chamber, so that the drying chambers are communicated; the bottom of the cabinet body is provided with an installation cavity, a gas pipe is arranged in the installation cavity, the gas pipe comprises a plurality of branches, the branches are communicated with the inside of the drying chamber, and the gas pipe is externally connected with a nitrogen source; the top of the cabinet body is provided with a plurality of air outlets, each air outlet corresponds to the drying chambers which are longitudinally arranged, and an exhaust fan is arranged in each air outlet; and the drying chambers are internally provided with formation mechanisms.
2. The parallel lithium battery formation cabinet as claimed in claim 1, wherein: the formation mechanism comprises a base and a portal frame, wherein a lifting cylinder is arranged at the bottom of the base, a formation groove is formed in the upper surface of the base, a plurality of placing grooves for placing batteries are formed in the formation groove, copper sheets are arranged at the bottoms of the placing grooves and are in contact with the negative electrodes of the batteries, and the copper sheets are provided with leads and are electrically connected with a charging device; the portal frame is provided with a plurality of cap sleeves, the cap sleeves are provided with conductive columns, the lower ends of the conductive columns are in full contact with the positive electrode of the lithium battery, the upper ends of the conductive columns are provided with wires, and the plurality of wires are connected in parallel and then electrically connected with the charging device.
3. The parallel lithium battery formation cabinet as claimed in claim 2, wherein: and a guide pillar is arranged between the base and the portal frame.
4. The parallel lithium battery formation cabinet as claimed in claim 2, wherein: the opening of the cap sleeve is of a horn mouth structure.
5. The parallel lithium battery formation cabinet as claimed in claim 2, wherein: the cap sleeves correspond to the placing grooves one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021381271.3U CN212648320U (en) | 2020-07-14 | 2020-07-14 | Lithium battery parallel-connection forming cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021381271.3U CN212648320U (en) | 2020-07-14 | 2020-07-14 | Lithium battery parallel-connection forming cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212648320U true CN212648320U (en) | 2021-03-02 |
Family
ID=74788269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021381271.3U Expired - Fee Related CN212648320U (en) | 2020-07-14 | 2020-07-14 | Lithium battery parallel-connection forming cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212648320U (en) |
-
2020
- 2020-07-14 CN CN202021381271.3U patent/CN212648320U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210302 |
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| CF01 | Termination of patent right due to non-payment of annual fee |