CN214378545U - Lithium ion battery monomer - Google Patents
Lithium ion battery monomer Download PDFInfo
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- CN214378545U CN214378545U CN202022964055.8U CN202022964055U CN214378545U CN 214378545 U CN214378545 U CN 214378545U CN 202022964055 U CN202022964055 U CN 202022964055U CN 214378545 U CN214378545 U CN 214378545U
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- cylinder
- positive electrode
- positive
- bottom plate
- negative electrode
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 32
- 239000000178 monomer Substances 0.000 title claims abstract description 11
- 239000012212 insulator Substances 0.000 claims abstract description 43
- 239000007774 positive electrode material Substances 0.000 claims abstract description 13
- 239000007773 negative electrode material Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 7
- 238000004880 explosion Methods 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 2
- 238000005538 encapsulation Methods 0.000 abstract description 2
- 238000005253 cladding Methods 0.000 abstract 1
- 239000010405 anode material Substances 0.000 description 6
- 239000010406 cathode material Substances 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000002687 intercalation Effects 0.000 description 4
- 238000009830 intercalation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000009831 deintercalation Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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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
-
- 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
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- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model provides a lithium ion battery monomer, this technical scheme carried out innovative design to lithium ion battery's inner structure. Specifically see, the utility model discloses built-in a plurality of anodal cylinders in the positive polar region, filled positive electrode material wherein, utilize the shell of anodal cylinder to play the encapsulation guard action to positive electrode material on the one hand, on the other hand alleviates when the diaphragm takes place the damage just, negative pole material's direct contact risk. On the basis, the utility model discloses improved the joint structure of positive, negative pole, separated the two in the space to adopt different insulating member to protect, wherein the positive pole connects and adopts the spherical insulator cladding, and utilizes bottom plate and fretwork grid joint fixed, and the negative pole then adopts shaft-like insulator direct protection. Use the utility model discloses, can reduce just, negative pole material contact risk, just simultaneously avoid the diaphragm when damaged, the possibility of the violent contact of negative pole material to reduce the explosion danger, improved the safety level.
Description
Technical Field
The utility model relates to a lithium ion battery technical field, concretely relates to lithium ion battery monomer.
Background
The lithium ion battery is a generic term for a battery using a lithium ion intercalation compound as a positive electrode material. The charge and discharge process of the lithium ion battery is the process of lithium ion intercalation and deintercalation. In the process of intercalation and deintercalation of lithium ions, intercalation and deintercalation of electrons equivalent to lithium ions are accompanied at the same time. During the charge and discharge processes, lithium ions are inserted and extracted back and forth between the positive electrode and the negative electrode. When the battery is charged, lithium ions are generated on the positive electrode of the battery, and the generated lithium ions move to the negative electrode through the electrolyte. The carbon as the negative electrode has a layered structure having many pores, and lithium ions reaching the negative electrode are inserted into the pores of the carbon layer, and the more lithium ions are inserted, the higher the charge capacity is. Similarly, when the battery is discharged, lithium ions embedded in the negative carbon layer are extracted and move back to the positive electrode. The more lithium ions returned to the positive electrode, the higher the discharge capacity.
In the prior art, the anode material and the cathode material of the lithium ion battery are only separated by the diaphragm, and the anode material and the cathode material are in a surface contact state with the diaphragm, so that when the diaphragm leaks, the anode material and the cathode material are in rapid contact and have a large contact area, and therefore danger is caused in a short time. In addition, the lithium ion battery monomer in the prior art lacks protective packaging measures for positive and negative electrode materials, so that certain combustion or explosion hidden troubles exist.
Disclosure of Invention
The utility model discloses aim at to prior art's technical defect, provide a lithium ion battery monomer to it is unreasonable to solve the interior structural design of lithium ion battery among the prior art, is difficult to the technical problem of fully reducing burning or explosion hidden danger.
In order to realize the technical purpose, the utility model adopts the following technical scheme:
a lithium ion battery monomer comprises a shell, a cover plate, a negative electrode area, a diaphragm, a positive electrode area, a positive electrode cylinder, a spherical insulator, a positive electrode joint, a rod-shaped insulator, a negative electrode joint, a bottom plate, a hollow grid, a base, a cylinder, a cavity and a raised line, wherein the shell is internally provided with an inner cavity, the diaphragm is positioned in the inner cavity and divides the inner cavity into the negative electrode area and the positive electrode area, and the upper end of the shell is connected with the cover plate; the bottom end of the shell is connected with a bottom plate, a hollow grid is arranged in the bottom plate, a plurality of anode columns are arranged in an anode region, the upper ends of the anode columns are attached to the diaphragm, the lower ends of the anode columns are connected with an anode connector, the lower ends of the anode connectors extend out of the shell through the bottom plate, a spherical insulator is coated on the periphery of the anode connector, the spherical insulator is located in the hollow grid, a rod-shaped insulator penetrates through the cathode region, the tail end of the rod-shaped insulator extends out of the shell, and the tail end of the rod-shaped insulator is connected with a cathode connector; the positive pole column body comprises a base, a cylinder, a cavity and a raised line, wherein the cylinder is connected to the upper end of the base, the cavity is arranged in the cylinder, and the outer wall of the cylinder is connected with the raised line; and the negative electrode region is filled with a negative electrode material, and the cavity is filled with a positive electrode material.
Preferably, the plurality of convex strips are parallel to each other, and the plurality of convex strips are all parallel to the axis of the cylinder.
Preferably, the axis of the rod-shaped insulator is perpendicular to the axis of the cylinder; the number of the positive pole columns is four.
Preferably, the bottom plate is divided into an upper layer, a middle layer and a lower layer, wherein the upper layer and the lower layer of the bottom plate are both solid plates, and the middle layer of the bottom plate is a hollow grid.
Preferably, the volume of the positive electrode region is larger than that of the negative electrode region, and both the positive electrode region and the negative electrode region have a rectangular parallelepiped shape.
In the above technical solution, the casing is a single battery casing structure, and the cover plate is used for packaging the casing into a closed structure; the negative electrode area is used for directly bearing a negative electrode material, the positive electrode area is used for bearing a positive electrode cylinder, the positive electrode cylinder bears the positive electrode material through a cavity of the positive electrode cylinder, and the positive electrode cylinder plays a role in packaging and protecting the positive electrode material in the positive electrode cylinder, so that the positive electrode material and the negative electrode material cannot be in large-area contact even if the diaphragm is damaged, the explosion risk is reduced, and the positive electrode cylinder also has a certain fireproof effect; the diaphragm is used for separating the positive electrode area from the negative electrode area so as to avoid direct contact between the positive electrode material and the negative electrode material; the positive electrode connector extends out of the positive electrode column body and is used for being connected with the positive electrode of an electrical appliance; the spherical insulator plays an insulation protection role for the part of the positive electrode joint positioned in the battery, and the bottom plate and the hollow grids on the bottom plate play a clamping and fixing effect on the spherical insulator; the negative electrode joint extends out of the negative electrode material, and a rod-shaped insulator outside the negative electrode joint plays an insulating protection role for the negative electrode joint; the base is the bearing structure of anodal cylinder, and the sand grip of cylindrical surface is used for increasing the surface area of anodal cylinder, has positive meaning to the heat dissipation.
The utility model provides a lithium ion battery monomer, this technical scheme carried out innovative design to lithium ion battery's inner structure. Specifically see, the utility model discloses built-in a plurality of anodal cylinders in the positive polar region, filled anodal material in anodal cylinder, utilize the shell of anodal cylinder to play the encapsulation guard action to anodal material on the one hand, on the other hand alleviates when the diaphragm takes place the damage just, cathode material's direct contact risk. On the basis, the utility model discloses improved the joint structure of positive, negative pole, separated the two in the space to adopt different insulating member to protect, wherein the positive pole connects and adopts spherical insulator to wrap up, and utilizes the bottom plate and the fretwork grid joint on it is fixed, and the negative pole then adopts shaft-like insulator direct protection. Use the utility model discloses, can reduce just, negative pole material contact risk, simultaneously, just when having avoided the diaphragm damaged, the possibility of negative pole material acutely contacting to reduce the explosion danger, improved the safety level.
Drawings
Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;
FIG. 2 is a front view of the present invention as a whole;
FIG. 3 is a schematic perspective view of a partial bottom plate of the present invention;
fig. 4 is a schematic view of a partial three-dimensional structure of the positive pole column of the present invention;
in the figure:
1. casing 2, cover plate 3, negative electrode region 4 and diaphragm
5. Positive electrode region 6, positive electrode column 7, spherical insulator 8, positive electrode joint
9. Rod-shaped insulator 10, negative electrode joint 11, bottom plate 12 and hollow grid
13. Base 14, cylinder 15, cavity 16, sand grip.
Detailed Description
The following will describe in detail specific embodiments of the present invention. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Example 1
A lithium ion battery monomer is shown in figures 1-4 and comprises a shell 1, a cover plate 2, a negative electrode area 3, a diaphragm 4, a positive electrode area 5, a positive electrode column 6, a spherical insulator 7, a positive electrode joint 8, a rod-shaped insulator 9, a negative electrode joint 10, a bottom plate 11, a hollow grid 12, a base 13, a cylinder 14, a cavity 15 and a convex strip 16, wherein an inner cavity is formed in the shell 1, the diaphragm 4 is positioned in the inner cavity, the inner cavity is divided into the negative electrode area 3 and the positive electrode area 5 by the diaphragm 4, and the cover plate 2 is connected to the upper end of the shell 1; the bottom end of the shell 1 is connected with a bottom plate 11, a hollow grid 12 is arranged in the bottom plate 11, a plurality of positive pole columns 6 are arranged in the positive pole region 5, the upper ends of the positive pole columns 6 are attached to the diaphragm 4, the lower ends of the positive pole columns 6 are connected with positive pole connectors 8, the lower ends of the positive pole connectors 8 extend out of the shell 1 through the bottom plate 11, spherical insulators 7 are coated on the peripheries of the positive pole connectors 8, the spherical insulators 7 are located in the hollow grid 12, rod-shaped insulators 9 penetrate through the negative pole region 3, the tail ends of the rod-shaped insulators 9 extend out of the shell 1, and the tail ends of the rod-shaped insulators 9 are connected with negative pole connectors 10; the positive pole column 6 comprises a base 13, a column 14, a cavity 15 and convex strips 16, wherein the column 14 is connected to the upper end of the base 13, the cavity 15 is arranged in the column 14, and the outer wall of the column 14 is connected with the convex strips 16; the negative electrode region 3 is filled with a negative electrode material, and the cavity 15 is filled with a positive electrode material.
The working principle of the device is as follows: the shell 1 is a single battery shell structure, and the cover plate 2 is used for packaging the shell 1 into a closed structure; the cathode region 3 is used for directly bearing cathode materials, the anode region 5 is used for bearing an anode cylinder 6, the anode cylinder 6 bears the anode materials through a cavity 15 of the anode cylinder, and the anode cylinder 6 plays a role in packaging and protecting the anode materials inside, so that the anode materials and the cathode materials cannot be in large-area contact even if the diaphragm 4 is damaged, the explosion risk is reduced, and the anode cylinder 6 has a certain fireproof effect; the separator 4 is used to separate the positive electrode region 5 and the negative electrode region 3, thereby preventing the positive electrode material and the negative electrode material from being in direct contact; the positive electrode connector 8 extends out of the positive electrode column 6 and is used for being connected with the positive electrode of an electric appliance; the spherical insulator 7 plays an insulating protection role for the part of the positive electrode joint 8 positioned in the battery, and the bottom plate 11 and the hollow grid 12 on the bottom plate play a clamping and fixing effect for the spherical insulator 7; the negative electrode joint 10 extends out of the negative electrode material, and the rod-shaped insulator 9 outside the negative electrode joint 10 plays an insulation protection role; the base 13 is the bearing structure of anodal cylinder 6, and the sand grip 16 on cylinder 14 surface is used for increasing the surface area of anodal cylinder 6, has positive meaning to the heat dissipation.
Example 2
A lithium ion battery monomer is shown in figures 1-4 and comprises a shell 1, a cover plate 2, a negative electrode area 3, a diaphragm 4, a positive electrode area 5, a positive electrode column 6, a spherical insulator 7, a positive electrode joint 8, a rod-shaped insulator 9, a negative electrode joint 10, a bottom plate 11, a hollow grid 12, a base 13, a cylinder 14, a cavity 15 and a convex strip 16, wherein an inner cavity is formed in the shell 1, the diaphragm 4 is positioned in the inner cavity, the inner cavity is divided into the negative electrode area 3 and the positive electrode area 5 by the diaphragm 4, and the cover plate 2 is connected to the upper end of the shell 1; the bottom end of the shell 1 is connected with a bottom plate 11, a hollow grid 12 is arranged in the bottom plate 11, a plurality of positive pole columns 6 are arranged in the positive pole region 5, the upper ends of the positive pole columns 6 are attached to the diaphragm 4, the lower ends of the positive pole columns 6 are connected with positive pole connectors 8, the lower ends of the positive pole connectors 8 extend out of the shell 1 through the bottom plate 11, spherical insulators 7 are coated on the peripheries of the positive pole connectors 8, the spherical insulators 7 are located in the hollow grid 12, rod-shaped insulators 9 penetrate through the negative pole region 3, the tail ends of the rod-shaped insulators 9 extend out of the shell 1, and the tail ends of the rod-shaped insulators 9 are connected with negative pole connectors 10; the positive pole column 6 comprises a base 13, a column 14, a cavity 15 and convex strips 16, wherein the column 14 is connected to the upper end of the base 13, the cavity 15 is arranged in the column 14, and the outer wall of the column 14 is connected with the convex strips 16; the negative electrode region 3 is filled with a negative electrode material, and the cavity 15 is filled with a positive electrode material. The plurality of protruding strips 16 are parallel to each other, and the plurality of protruding strips 16 are all parallel to the axis of the cylinder 14. The axis of the rod-like insulator 9 is perpendicular to the axis of the cylinder 14; the number of the positive pole columns 6 is four. The bottom plate 11 is divided into an upper layer, a middle layer and a lower layer, wherein the upper layer and the lower layer of the bottom plate 11 are both solid plates, and the middle layer of the bottom plate 11 is a hollow grid 12. The volume of the positive electrode region 5 is larger than that of the negative electrode region 3, and both the positive electrode region 5 and the negative electrode region 3 are rectangular parallelepipeds.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the scope of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A lithium ion battery monomer is characterized by comprising a shell (1), a cover plate (2), a negative electrode area (3), a diaphragm (4), a positive electrode area (5), a positive electrode cylinder (6), a spherical insulator (7), a positive electrode joint (8), a rod-shaped insulator (9), a negative electrode joint (10), a bottom plate (11), a hollow grid (12), a base (13), a cylinder (14), a cavity (15) and a raised line (16), wherein an inner cavity is formed in the shell (1), the diaphragm (4) is located in the inner cavity, the inner cavity is divided into the negative electrode area (3) and the positive electrode area (5) by the diaphragm (4), and the cover plate (2) is connected to the upper end of the shell (1); the bottom end of the shell (1) is connected with a bottom plate (11), a hollow grid (12) is arranged in the bottom plate (11), a plurality of positive pole columns (6) are arranged in a positive pole area (5), the upper ends of the positive pole columns (6) are attached to a diaphragm (4), the lower ends of the positive pole columns (6) are connected with positive pole connectors (8), the lower ends of the positive pole connectors (8) extend out of the shell (1) through the bottom plate (11), spherical insulators (7) are coated on the peripheries of the positive pole connectors (8), the spherical insulators (7) are located in the hollow grid (12), rod-shaped insulators (9) penetrate through the negative pole area (3), the tail ends of the rod-shaped insulators (9) extend out of the shell (1), and the tail ends of the rod-shaped insulators (9) are connected with negative pole connectors (10); the anode column body (6) comprises a base (13), a cylinder (14), a cavity (15) and a convex strip (16), wherein the cylinder (14) is connected to the upper end of the base (13), the cavity (15) is arranged in the cylinder (14), and the outer wall of the cylinder (14) is connected with a plurality of convex strips (16); the negative electrode region (3) is filled with a negative electrode material, and the cavity (15) is filled with a positive electrode material.
2. The cell according to claim 1, wherein said ribs (16) are parallel to each other, and said ribs (16) are parallel to the axis of said cylinder (14).
3. The lithium ion battery cell according to claim 1, characterized in that the axis of the rod-like insulator (9) is perpendicular to the axis of the cylinder (14); the number of the positive pole columns (6) is four.
4. The lithium ion battery cell according to claim 1, wherein the bottom plate (11) is divided into an upper layer, a middle layer and a lower layer, wherein the upper layer and the lower layer of the bottom plate (11) are both solid plates, and the middle layer of the bottom plate (11) is a hollow grid (12).
5. The lithium ion battery cell according to claim 1, wherein the volume of the positive electrode region (5) is larger than the volume of the negative electrode region (3), and the positive electrode region (5) and the negative electrode region (3) are both rectangular parallelepipeds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022964055.8U CN214378545U (en) | 2020-12-12 | 2020-12-12 | Lithium ion battery monomer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022964055.8U CN214378545U (en) | 2020-12-12 | 2020-12-12 | Lithium ion battery monomer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214378545U true CN214378545U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022964055.8U Active CN214378545U (en) | 2020-12-12 | 2020-12-12 | Lithium ion battery monomer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214378545U (en) |
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2020
- 2020-12-12 CN CN202022964055.8U patent/CN214378545U/en active Active
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