CN220544067U - Cylindrical lithium battery cap with low internal resistance - Google Patents
Cylindrical lithium battery cap with low internal resistance Download PDFInfo
- Publication number
- CN220544067U CN220544067U CN202322135272.XU CN202322135272U CN220544067U CN 220544067 U CN220544067 U CN 220544067U CN 202322135272 U CN202322135272 U CN 202322135272U CN 220544067 U CN220544067 U CN 220544067U
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- Prior art keywords
- fixedly connected
- layer
- lithium battery
- explosion
- wall
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 38
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 238000009423 ventilation Methods 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 14
- 239000007787 solid Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 8
- 238000005260 corrosion Methods 0.000 abstract description 8
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 5
- 239000012528 membrane Substances 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 229910000838 Al alloy Inorganic materials 0.000 description 8
- 230000006378 damage Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 208000014674 injury Diseases 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 210000003484 anatomy Anatomy 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 230000009545 invasion Effects 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to the technical field of lithium battery caps and discloses a low-internal-resistance cylindrical lithium battery cap which comprises a top mechanism, a protection mechanism and a bottom mechanism, wherein the protection mechanism is arranged on the upper surface of the top mechanism, the bottom mechanism is arranged at the lower end of the top mechanism, the top mechanism comprises a fixed ring, a ventilation plate, a membrane, a high-temperature resistant layer and a connecting plate, the inner wall of the fixed ring is fixedly connected with the ventilation plate, the lower surface of the ventilation plate is fixedly connected with the membrane, the lower end of the membrane is fixedly connected with the high-temperature resistant layer, the membrane is fixedly connected with the inner wall of the fixed ring, the high-temperature resistant layer is fixedly connected with the connecting plate, and the low-internal-resistance cylindrical lithium battery cap has light weight, high strength and good corrosion resistance materials through the arrangement of the high-temperature resistant layer, has good mechanical property and heat conduction performance, is not easy to rust, and the service life of equipment can be prolonged.
Description
Technical Field
The utility model relates to the technical field of lithium battery caps, in particular to a cylindrical lithium battery cap with low internal resistance.
Background
Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. The chemical characteristics of lithium metal are very active, so that the processing, storage and use of lithium metal have very high requirements on environment. With the development of science and technology, lithium batteries have become the mainstream, and lithium batteries can be broadly divided into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The lithium metal battery of the fifth generation product of the rechargeable battery is born in 1996, and the safety, the specific capacity, the self-discharge rate and the cost performance ratio of the lithium metal battery are all superior to those of the lithium ion battery. Due to its own high technical requirements, only a few countries' companies are producing such lithium metal batteries.
The existing cylindrical lithium battery cap with low internal resistance is inconvenient to provide good heat conduction performance and easy to rust when the lithium battery cap is used.
Disclosure of Invention
(one) solving the technical problems
The utility model aims to provide a cylindrical lithium battery cap with low internal resistance so as to solve the problems that the prior art is inconvenient to provide good heat conduction performance and easy to rust.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: including top mechanism, protection machanism and bottom mechanism, the upper surface of top mechanism is provided with protection machanism, the lower extreme of top mechanism is provided with bottom mechanism, top mechanism includes solid fixed ring, ventilative board, diaphragm, high temperature resistant layer and connecting plate, gu fixed ring's inner wall fixedly connected with ventilative board, ventilative board's lower surface fixedly connected with diaphragm, the lower extreme fixedly connected with high temperature resistant layer of diaphragm, diaphragm fixedly connected with is at gu fixed ring's inner wall.
Preferably, the high temperature resistant layer fixed connection is at the inner wall of solid fixed ring, surface fixedly connected with connecting plate under the high temperature resistant layer, connecting plate fixed connection has light, intensity is high, corrosion resistance is good material through setting up the high temperature resistant layer at the inner wall of solid fixed ring, has good mechanical properties and heat conductivility and is difficult for corrosion, can increase the life of equipment.
Preferably, the protection mechanism comprises a bump, air holes, an explosion-proof layer, an explosion-proof aluminum sheet and a fixing plate, wherein the air holes are formed in the surface of the bump, the number of the air holes is four, the explosion-proof layer is fixedly connected to the lower surface of the bump, and the explosion-proof aluminum sheet is fixedly connected to the lower end of the explosion-proof layer.
Preferably, the lower end fixedly connected with fixed plate of explosion-proof aluminum sheet, the lower surface fixedly connected with ventilation plate of fixed plate has better fire-retardant, anticorrosive and waterproof performance through setting up the explosion-proof layer, can avoid the explosion that equipment produced to lead to personnel's major injury, has through setting up the explosion-proof aluminum sheet and adds certain alloying element after, can obtain the cast aluminum alloy of good castability or the good wrought aluminium alloy of plastic property.
Preferably, the bottom mechanism comprises a lithium battery main body, a connecting outer ring, a waterproof layer, a rust-proof layer and a drying layer, wherein the connecting outer ring is arranged at the upper end of the lithium battery main body, the waterproof layer is fixedly connected to the inner wall of the connecting outer ring, and the rust-proof layer is fixedly connected to the lower end of the waterproof layer.
Preferably, the inner wall at the connection outer lane of antirust layer fixed connection, the lower fixed surface on antirust layer is connected with the dry layer, dry layer fixed connection is at the inner wall of connecting the outer lane, the lower extreme on dry layer is provided with the battery main part, can keep off external rainwater, moisture, all harmful gas to the invasion of equipment internals through setting up waterproof layer and antirust layer, can avoid external water stain infiltration to the equipment inside through setting up the dry layer.
Compared with the prior art, the utility model has the beneficial effects that:
1. the cylindrical lithium battery cap with low internal resistance has the advantages that the high-temperature resistant layer is made of light, high-strength and corrosion-resistant materials, has good mechanical property and heat conduction property, is not easy to rust, and can prolong the service life of equipment;
2. the cylindrical lithium battery cap with low internal resistance has better flame retardance, corrosion resistance and water resistance through arranging the explosion-proof layer, can avoid great injury to personnel caused by explosion generated by equipment, and can obtain cast aluminum alloy with good casting performance or deformed aluminum alloy with good processing plasticity after a certain alloy element is added through arranging the explosion-proof aluminum sheet;
3. this cylindrical lithium electricity of low internal resistance is covered and is capped, can keep apart external rainwater, moisture, all harmful gas to the invasion of equipment internals through setting up waterproof layer and rust-resistant layer, can avoid external water stain infiltration to the equipment inside through setting up the dry layer.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of the front anatomy of the retaining ring of the present utility model;
FIG. 3 is a schematic view of the frontal anatomy of the bump of the present utility model;
fig. 4 is a schematic view of the front anatomical structure of the joint outer race of the present utility model.
In the figure: 1. a top mechanism; 101. a fixing ring; 102. a ventilation plate; 103. a membrane; 104. a high temperature resistant layer; 105. a connecting plate; 2. a protection mechanism; 201. a bump; 202. ventilation holes; 203. an explosion-proof layer; 204. explosion-proof aluminum sheet; 205. a fixing plate; 3. a bottom mechanism; 301. a lithium battery main body; 302. connecting an outer ring; 303. a waterproof layer; 304. a rust-proof layer; 305. and (5) drying the layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: including top mechanism 1, protection machanism 2 and bottom mechanism 3, the upper surface of top mechanism 1 is provided with protection machanism 2, the lower extreme of top mechanism 1 is provided with bottom mechanism 3, top mechanism 1 includes solid fixed ring 101, ventilative board 102, diaphragm 103, high temperature resistant layer 104 and connecting plate 105, the inner wall fixedly connected with ventilative board 102 of solid fixed ring 101, the lower surface fixedly connected with diaphragm 103 of ventilative board 102, the lower extreme fixedly connected with high temperature resistant layer 104 of diaphragm 103, diaphragm 103 fixed connection is at the inner wall of solid fixed ring 101.
The high temperature resistant layer 104 is fixedly connected to the inner wall of the fixed ring 101, the connecting plate 105 is fixedly connected to the lower surface of the high temperature resistant layer 104, the connecting plate 105 is fixedly connected to the inner wall of the fixed ring 101, and the high temperature resistant layer 104 is made of light, high-strength and corrosion-resistant materials, has good mechanical property and heat conduction property, is not easy to rust, and can prolong the service life of equipment.
The protection mechanism 2 comprises a bump 201, air holes 202, an explosion-proof layer 203, explosion-proof aluminum sheets 204 and a fixing plate 205, the air holes 202 are formed in the surface of the bump 201, the number of the air holes 202 is four, the explosion-proof layer 203 is fixedly connected to the lower surface of the bump 201, and the explosion-proof aluminum sheets 204 are fixedly connected to the lower end of the explosion-proof layer 203.
The lower end fixedly connected with fixed plate 205 of explosion-proof aluminum sheet 204, the lower surface fixedly connected with ventilation plate 102 of fixed plate 205 has better fire-retardant, anticorrosive and waterproof performance through setting up explosion-proof layer 203, can avoid the explosion that equipment produced to lead to personnel's major injury, through setting up explosion-proof aluminum sheet 204 and have after adding certain alloying element, can obtain the cast aluminum alloy of good castability or the high deformation aluminum alloy of plastic property.
The bottom mechanism 3 comprises a lithium battery main body 301, a connecting outer ring 302, a waterproof layer 303, a rust-proof layer 304 and a drying layer 305, wherein the connecting outer ring 302 is arranged at the upper end of the lithium battery main body 301, the waterproof layer 303 is fixedly connected to the inner wall of the connecting outer ring 302, and the rust-proof layer 304 is fixedly connected to the lower end of the waterproof layer 303.
The inner wall at connecting outer lane 302 of antirust layer 304 fixed connection, the lower surface fixedly connected with dry layer 305 of antirust layer 304, dry layer 305 fixed connection is at the inner wall of connecting outer lane 302, and the lower extreme of dry layer 305 is provided with the battery main part, can keep off external rainwater, moisture, the invasion of all harmful gas to equipment internals through setting up waterproof layer 303 and antirust layer 304, can avoid external water stain infiltration to the equipment inside through setting up dry layer 305.
Working principle: the device is placed at a proper position, the high-temperature resistant layer 104 is made of a material with light weight, high strength and good corrosion resistance, has good mechanical property and heat conduction property, is not easy to rust, can prolong the service life of the device, has good flame retardance, corrosion resistance and waterproof property through the explosion-proof layer 203, can avoid great injury of personnel caused by explosion generated by the device, can obtain casting aluminum alloy with good casting property or deformed aluminum alloy with good processing plasticity after a certain alloy element is added through the explosion-proof aluminum sheet 204, can isolate the damage of external rainwater, moisture and all harmful gases to the internal parts of the device through the waterproof layer 303 and the rust-proof layer 304, and can avoid external water from penetrating into the device through the drying layer 305.
Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.
Claims (6)
1. The utility model provides a cylindrical lithium electricity of low internal resistance cap, includes top mechanism (1), protection machanism (2) and bottom mechanism (3), its characterized in that: the upper surface of top mechanism (1) is provided with protection machanism (2), the lower extreme of top mechanism (1) is provided with bottom mechanism (3), top mechanism (1) are including solid fixed ring (101), ventilative board (102), diaphragm (103), high temperature resistant layer (104) and connecting plate (105), the inner wall fixedly connected with ventilative board (102) of solid fixed ring (101), the lower surface fixedly connected with diaphragm (103) of ventilative board (102), the lower extreme fixedly connected with high temperature resistant layer (104) of diaphragm (103), diaphragm (103) fixedly connected with is at the inner wall of solid fixed ring (101).
2. The low internal resistance cylindrical lithium battery cap of claim 1, wherein: the high temperature resistant layer (104) is fixedly connected to the inner wall of the fixed ring (101), a connecting plate (105) is fixedly connected to the lower surface of the high temperature resistant layer (104), and the connecting plate (105) is fixedly connected to the inner wall of the fixed ring (101).
3. The low internal resistance cylindrical lithium battery cap of claim 1, wherein: protection machanism (2) are including lug (201), bleeder vent (202), explosion-proof layer (203), explosion-proof aluminum sheet (204) and fixed plate (205), bleeder vent (202) have been seted up on the surface of lug (201), the quantity of bleeder vent (202) is four, the lower surface fixedly connected with explosion-proof layer (203) of lug (201), the lower extreme fixedly connected with explosion-proof aluminum sheet (204) of explosion-proof layer (203).
4. The low internal resistance cylindrical lithium battery cap of claim 3, wherein: the lower extreme fixedly connected with fixed plate (205) of explosion-proof aluminum sheet (204), the lower surface fixedly connected with ventilation board (102) of fixed plate (205).
5. The low internal resistance cylindrical lithium battery cap of claim 1, wherein: the bottom mechanism (3) comprises a lithium battery main body (301), a connecting outer ring (302), a waterproof layer (303), a rust-proof layer (304) and a drying layer (305), wherein the connecting outer ring (302) is arranged at the upper end of the lithium battery main body (301), the waterproof layer (303) is fixedly connected to the inner wall of the connecting outer ring (302), and the rust-proof layer (304) is fixedly connected to the lower end of the waterproof layer (303).
6. The low internal resistance cylindrical lithium battery cap of claim 5, wherein: the inner wall of connecting outer lane (302) is fixedly connected with antirust layer (304), the lower fixed surface of antirust layer (304) is connected with dry layer (305), the inner wall of connecting outer lane (302) is fixedly connected with dry layer (305), the lower extreme of dry layer (305) is provided with lithium cell main part (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322135272.XU CN220544067U (en) | 2023-08-09 | 2023-08-09 | Cylindrical lithium battery cap with low internal resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322135272.XU CN220544067U (en) | 2023-08-09 | 2023-08-09 | Cylindrical lithium battery cap with low internal resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220544067U true CN220544067U (en) | 2024-02-27 |
Family
ID=89961358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322135272.XU Active CN220544067U (en) | 2023-08-09 | 2023-08-09 | Cylindrical lithium battery cap with low internal resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220544067U (en) |
-
2023
- 2023-08-09 CN CN202322135272.XU patent/CN220544067U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |