CN220200038U - Vacuum sealing bag of sodium ion battery material - Google Patents
Vacuum sealing bag of sodium ion battery material Download PDFInfo
- Publication number
- CN220200038U CN220200038U CN202321680443.0U CN202321680443U CN220200038U CN 220200038 U CN220200038 U CN 220200038U CN 202321680443 U CN202321680443 U CN 202321680443U CN 220200038 U CN220200038 U CN 220200038U
- Authority
- CN
- China
- Prior art keywords
- bag
- sealing
- inner liner
- ion battery
- sodium ion
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 64
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910001415 sodium ion Inorganic materials 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 title claims abstract description 20
- 239000007774 positive electrode material Substances 0.000 claims abstract description 28
- 238000004806 packaging method and process Methods 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims abstract description 4
- 230000004888 barrier function Effects 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 239000004964 aerogel Substances 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000605 extraction Methods 0.000 abstract description 5
- 239000000843 powder Substances 0.000 abstract description 4
- 238000009423 ventilation Methods 0.000 abstract description 2
- 239000010405 anode material Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001007 puffing effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- Secondary Cells (AREA)
Abstract
The utility model is realized by the following technical scheme: the vacuum sealing bag of the sodium ion battery material comprises a bag inner liner for packaging the positive electrode material, wherein a gap is formed in the bag inner liner and smaller than the particle size of the positive electrode material, one side of the bag inner liner is opened, and a sliding self-locking part is arranged at the opening end; the sealing bag comprises a sealing bag body, wherein the inner liner of the bag is arranged inside the sealing bag body, one side of the sealing bag body is opened, and the opening end is provided with a sealing part. The utility model has the advantages that the positive electrode material powder in the bag can be prevented from overflowing along with the extraction of the gas, and the positive electrode material of the sodium ion battery in the inner lining bag can not overflow along with the extraction of the vacuum sealing machine because of the ventilation of the inner lining bag and tiny gaps, and simultaneously the air in the inner lining bag is completely extracted; the positive electrode material of the battery is isolated from air and moisture, and the protection effect on the positive electrode material of the sodium ion battery is achieved.
Description
Technical Field
The utility model relates to the technical field of battery material packaging, in particular to a vacuum sealing bag of a sodium ion battery material.
Background
Packaging bags are generally classified into sealed bags and open bags, the sealed bags are applied in a plurality of fields, and the sealed bags are particularly important for sealing and storing positive electrode materials of sodium ion batteries in the field of new energy.
When the positive electrode material of the battery is subjected to positive air sealing, the positive electrode material of the motor can overflow along with air suction, and the phenomenon of insufficient content of the positive electrode material of the electrode can occur.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a vacuum sealing bag of a sodium ion battery material, which can prevent positive electrode material powder in the bag from overflowing along with gas extraction.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a vacuum sealing bag of sodium ion battery material, which comprises
A bag inner liner for packaging the anode material, wherein a gap is formed in the bag inner liner and smaller than the particle size of the anode material, one side of the bag inner liner is opened, and the opening end is provided with a sliding self-locking part;
the sealing bag comprises a sealing bag body, wherein the inner liner of the bag is arranged inside the sealing bag body, one side of the sealing bag body is opened, and the opening end is provided with a sealing part.
Preferably, a barrier perpendicular to the sliding self-locking part is arranged on the inner liner of the bag, and the barrier divides the inner liner of the bag into two parts.
Preferably, the sliding self-locking part is of an integrated structure, and the sliding self-locking part integrally seals the inner lining of the bag.
Preferably, the sliding self-locking part is divided into two parts, the sliding self-locking part is used for independently sealing the inner lining of the two parts of the bag separated by the barrier, and the fracture of the sliding self-locking part is positioned at the barrier part.
Preferably, the sliding self-locking part comprises a concave strip and a convex strip, the concave strip and the convex strip are arranged on the inner liner of the bag, and the convex strip and the concave strip are clamped to seal the opening end of the inner liner of the bag.
Preferably, an air bag layer is arranged on the outer side of the sealing bag body, and the air bag layer wraps the sealing bag body to the sealing position.
Preferably, the air bag layer is filled with nitrogen.
Preferably, the interface between the air bag layer and the sealing bag body is coated with a layer of aerogel.
Preferably, the corner positions of the air bag layers are arranged in an arc-shaped structure.
Preferably, the sliding self-locking part is divided into two parts, and the space between the two parts is 1-2mm.
Compared with the prior art, the utility model has the beneficial effects that:
1. the positive electrode material powder in the bag can be prevented from overflowing along with the extraction of the gas, and the positive electrode material of the sodium ion battery in the inner lining bag can not overflow along with the extraction of the vacuum sealing machine because of the ventilation of the inner lining bag and tiny gaps, and meanwhile, the air in the inner lining bag is completely extracted;
2. the battery anode material is isolated from air and moisture, so that the protection effect on the sodium ion battery anode material is achieved;
3. the buffer protection can be carried out on the positive electrode material, and meanwhile, the temperature isolation of the inner side and the outer side of the positive electrode material can be carried out.
Drawings
The disclosure of the present utility model is described with reference to the accompanying drawings. It should be understood that the drawings are for purposes of illustration only and are not intended to limit the scope of the present utility model in which like reference numerals are used to designate like parts. Wherein:
FIG. 1 is a schematic diagram of the overall structure of a vacuum envelope of sodium ion battery material of the present utility model;
fig. 2 is a top view of the body of the sealing bag of the present utility model.
The reference numerals in the drawings indicate: 10. a sealing bag body; 11. an air bag layer; 12. an aerogel; 20. a sealing part; 30. a liner inside the bag; 31. a barrier; 32. sliding self-locking part.
Detailed Description
It is to be understood that, according to the technical solution of the present utility model, those skilled in the art may propose various alternative structural modes and implementation modes without changing the true spirit of the present utility model. Accordingly, the following detailed description and drawings are merely illustrative of the utility model and are not intended to be exhaustive or to limit the utility model to the precise form disclosed.
As shown in FIG. 1, a vacuum envelope as a sodium ion battery material of the present utility model comprises
The inner liner 30 of the bag for packaging the positive electrode material is provided with a gap, the gap is smaller than the particle size of the positive electrode material, one side of the inner liner 30 of the bag is opened, and the opening end is provided with a sliding self-locking part 32, so that the phenomenon of overflowing of the positive electrode material powder during sealing treatment can be prevented;
the sealing bag body 10, the inner liner 30 is arranged inside the sealing bag body 10, one side of the sealing bag body 10 is opened, the opening end is provided with a sealing part 20, the positive electrode material is stored through the inner liner 30, the inner liner 30 is placed inside the sealing bag body 10, air inside the sealing bag body 10 is extracted through negative pressure, and sealing operation is carried out on the positive electrode material.
As shown in fig. 1, a barrier 31 perpendicular to the sliding self-locking portion 32 is provided on the inner liner 30, and the barrier 31 divides the inner liner 30 into two parts, so that two different positive electrode materials can be sealed and preserved, and the application range is wider.
The sliding self-locking part 32 is of an integrated structure, the sliding self-locking part 32 integrally seals the inner liner 30 of the bag, so that the two parts can be packaged through the integrated sliding self-locking part 32, and a user can perform one-time operation to package the inner liner 30 of the bag.
The sliding self-locking part 32 is divided into two parts, the sliding self-locking part 32 is used for independently sealing the two-part bag inner liner 30 separated by the barrier 31, the fracture of the sliding self-locking part 32 is positioned at the barrier 31, the two-part bag inner liner 30 is independently packaged by the sliding self-locking part 32, one positive electrode material can be stored in one side of the bag inner liner 30, packaging operation is carried out, and then the other positive electrode material is filled in.
The sliding self-locking part 32 comprises a concave strip and a convex strip, the concave strip and the convex strip are arranged on the inner liner 30 of the bag, and the convex strip and the concave strip are clamped to seal the opening end of the inner liner 30 of the bag.
Specifically, the sliding self-locking part 32 is arranged through the convex strips and the concave strips, and the clamping connection between the convex strips and the concave strips can be used for packaging the inner liner 30 of the bag, so that the structure is simple, and the operation is convenient.
As shown in fig. 2, an air bag layer 11 is arranged on the outer side of the sealing bag body 10, the air bag layer 11 wraps the sealing bag body 10 to the position of the sealing part 20, and nitrogen is filled in the air bag layer 11.
Specifically, through sealing bag body 10 outside and setting up gasbag layer 11, can protect sealing bag body 10, the gasbag layer can reply external temperature variation simultaneously, and the interface coating one deck aerogel 12 of gasbag layer 11 and sealing bag body 10 for sealing bag body 10's thermal-insulated effect is better, reduces the impact of external battery positive electrode material to the bag simultaneously, and the battery positive electrode material in the bag is in the invariable environment of temperature all the time.
The corner position of the air bag layer 11 is set to be of an arc-shaped structure, and the air bag layer 11 can not generate a corner scraping and bumping phenomenon.
The sliding self-locking part 32 is divided into two parts, the space between the two parts is 1-2mm, so that the blocking phenomenon can not occur between the sliding self-locking parts 32 of the two parts, and the use effect is better.
The sealing bag body 10 is made of PE material, has stretch resistance, water resistance, puncture resistance and heat sealing resistance, the sealing part 20 is positioned at the opening of the sealing bag body 10, the inner liner 30 of the bag is arranged in the sealing bag body 10, the air bag layer 11 is arranged on the outer layer of the sealing bag body 10, the air bag layer 11 is filled with nitrogen, the interface of the remaining sealing bag body 10 of the air bag layer 11 is coated with one layer of aerogel 12, so that the impact of the outside on the battery anode material can be reduced, the battery anode material can be always in a constant-temperature environment, the inner liner 30 of the bag is a microporous and breathable film of a microporous and breathable polymer, and a microporous waterproof film formed by pushing, puffing and stretching PTFE resin is used as a raw material; the porous ceramic material has a fibrous microporous structure, high mechanical property, small pore diameter and waterproof and breathable properties; the top of the inner liner 30 is provided with a sliding self-locking part 32, the sliding self-locking part 32 comprises a convex strip and a concave strip, and the convex strip and the concave strip are mutually clamped, so that a certain sealing effect can be achieved; the barrier 31 is provided in the inner liner 30 of the pouch, so that two positive electrode materials can be sealed at the same time.
The technical scope of the present utility model is not limited to the above description, and those skilled in the art may make various changes and modifications to the above-described embodiments without departing from the technical spirit of the present utility model, and these changes and modifications should be included in the scope of the present utility model.
Claims (10)
1. The vacuum sealing bag of the sodium ion battery material is characterized in that: comprising
A bag inner liner (30) for packaging the positive electrode material, wherein a gap is formed in the bag inner liner (30), the gap is smaller than the particle size of the positive electrode material, one side of the bag inner liner (30) is opened, and a sliding self-locking part (32) is arranged at the opening end;
the sealing bag comprises a sealing bag body (10), wherein the inner liner (30) is arranged inside the sealing bag body (10), one side of the sealing bag body (10) is opened, and the opening end is provided with a sealing part (20).
2. The vacuum envelope of sodium ion battery material of claim 1, wherein: the inner liner (30) of the bag is provided with a barrier (31) perpendicular to the sliding self-locking part (32), and the barrier (31) divides the inner liner (30) of the bag into two parts.
3. The vacuum envelope of sodium ion battery material of claim 2, wherein: the sliding self-locking part (32) is of an integrated structure, and the sliding self-locking part (32) integrally seals the inner lining (30) of the bag.
4. The vacuum envelope of sodium ion battery material of claim 2, wherein: the sliding self-locking part (32) is divided into two parts, the sliding self-locking part (32) is used for independently sealing the two-part bag inner liner (30) separated by the barrier (31), and the fracture of the sliding self-locking part (32) is positioned at the barrier (31).
5. A vacuum envelope of sodium ion battery material as claimed in claim 2 or claim 3 wherein: the sliding self-locking part (32) comprises concave strips and convex strips, the concave strips and the convex strips are arranged on the inner liner (30) of the bag, and the convex strips and the concave strips are clamped to seal the opening end of the inner liner (30) of the bag.
6. The vacuum envelope of sodium ion battery material of claim 5, wherein: the sealing bag is characterized in that an air bag layer (11) is arranged on the outer side of the sealing bag body (10), and the air bag layer (11) wraps the sealing bag body (10) to the position of the sealing part (20).
7. The vacuum envelope of sodium ion battery material of claim 6, wherein: the inside of the air bag layer (11) is filled with nitrogen.
8. The vacuum envelope of sodium ion battery material of claim 6, wherein: the interface between the air bag layer (11) and the sealing bag body (10) is coated with a layer of aerogel (12).
9. The vacuum envelope of sodium ion battery material of claim 6, wherein: the corner positions of the air bag layers (11) are arranged to be arc-shaped structures.
10. The vacuum envelope of sodium ion battery material of claim 4, wherein: the sliding self-locking part (32) is divided into two parts, and the space between the two parts is 1-2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321680443.0U CN220200038U (en) | 2023-06-29 | 2023-06-29 | Vacuum sealing bag of sodium ion battery material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321680443.0U CN220200038U (en) | 2023-06-29 | 2023-06-29 | Vacuum sealing bag of sodium ion battery material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220200038U true CN220200038U (en) | 2023-12-19 |
Family
ID=89137641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321680443.0U Active CN220200038U (en) | 2023-06-29 | 2023-06-29 | Vacuum sealing bag of sodium ion battery material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220200038U (en) |
-
2023
- 2023-06-29 CN CN202321680443.0U patent/CN220200038U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |