CN219286527U - Cylindrical full-tab battery with conductive shell - Google Patents
Cylindrical full-tab battery with conductive shell Download PDFInfo
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- CN219286527U CN219286527U CN202320287408.6U CN202320287408U CN219286527U CN 219286527 U CN219286527 U CN 219286527U CN 202320287408 U CN202320287408 U CN 202320287408U CN 219286527 U CN219286527 U CN 219286527U
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- 229910052751 metal Inorganic materials 0.000 claims description 26
- 239000002184 metal Substances 0.000 claims description 26
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical group [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 7
- 229910001416 lithium ion Inorganic materials 0.000 claims description 7
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 claims description 3
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 claims description 3
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 claims description 3
- 229910001425 magnesium ion Inorganic materials 0.000 claims description 3
- 229910001414 potassium ion Inorganic materials 0.000 claims description 3
- 229910001415 sodium ion Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 5
- 230000005404 monopole Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000003993 interaction 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
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The embodiment of the application provides a cylindrical full-tab battery with a conductive shell, which comprises a shell, a cylindrical battery core, a first cap, a second cap, a first circular collector ring and a second circular collector ring; the cylindrical battery cell is arranged in the shell; the first circular collecting ring is clamped on the inner side of one end of the cylindrical battery cell; the first cap is sleeved on the end face of one end of the cylindrical battery cell, and the first cap is abutted with the end face of one end of the shell; the second circular collecting ring is clamped on the inner side of the other end of the cylindrical battery cell; the second cap is sleeved on the end face of the other end of the cylindrical battery cell, and the second cap is abutted with the end face of the other end of the shell. The structure can effectively reduce the internal resistance of the cylindrical full-tab battery and effectively relieve the situation of overlarge local heat caused by the single-tab battery; simultaneously, a series of problems that lead to can be avoided to this application structure, effectively improves the yields of battery.
Description
Technical Field
The utility model relates to the technical field of ion batteries, in particular to a cylindrical full-tab battery with a conductive shell.
Background
With the development of lithium ion batteries, the structure of cylindrical lithium ion batteries is also being continuously improved. Conventional cylindrical battery structures generally include: the device comprises a shell, a cap, a positive electrode, a negative electrode, a diaphragm, electrolyte, a PTC element, a gasket, a safety valve and the like; the battery is manufactured through a winding process, a diaphragm plays a role in spacing between the positive electrode and the negative electrode, electrolyte is filled in the battery and used for transmitting ions, and current is led out through positive and negative electrode lugs; in addition, a safety valve and a PTC element are installed to protect the battery in an abnormal state, preventing safety accidents.
At present, with the rapid development of electric automobiles, requirements on high-current charging and discharging performance, safety performance and the like of a cylindrical power battery are higher and higher. However, the cylindrical lithium ion battery with the single-pole lug can only conduct charge transmission along the length direction of the current collector, and the long conduction distance leads to larger internal resistance; in addition, when the monopole lug is charged and discharged, the situation that local heat is too large easily occurs at the joint of the tab lug or the tab lug and the current collector or the joint of the tab lug and the shell cover, and the heat dissipation requirement of large-current charge and discharge of the power battery cannot be met.
Disclosure of Invention
Based on the above, the embodiment of the utility model provides a cylindrical full-tab battery with a conductive shell, which aims to solve the problems of larger internal resistance, overlarge local heat and the like of the conventional single-tab cylindrical battery. The internal resistance of the structure is smaller, the heat can be effectively dissipated, electrolyte is easy to permeate and absorb, and the industrial application is facilitated.
In order to achieve the above purpose, the embodiment of the utility model provides a cylindrical full-tab battery with a conductive shell, which comprises a shell, a cylindrical battery cell, a first cap, a second cap, a first circular collector ring and a second circular collector ring;
the cylindrical battery cell is arranged in the shell; the first circular collecting ring is clamped on the inner side of one end of the cylindrical battery cell; the first cap is sleeved on the end face of one end of the cylindrical battery cell, and the first cap is abutted with the end face of one end of the shell;
the second circular collecting ring is clamped on the inner side of the other end of the cylindrical battery cell; the second cap is sleeved on the end face of the other end of the cylindrical battery cell, and the second cap is abutted with the end face of the other end of the shell.
As a preferred embodiment, the cylindrical battery cell is formed by winding a positive electrode sheet, a separator and a negative electrode sheet, and the separator is disposed between the positive electrode sheet and the negative electrode sheet.
As a preferred embodiment, the cylindrical battery cell comprises an outer cylindrical battery cell and an inner cylindrical battery cell which are adjacently arranged; the inner cylindrical battery cell is arranged on the inner side of the outer cylindrical battery cell.
As a preferred embodiment, the external cylindrical cell comprises a first external vertical part, a first external horizontal part, a second external vertical part, a second external horizontal part and a third external vertical part which are sequentially connected; the first outer vertical portion is arranged close to the first cap, and the third outer vertical portion is arranged close to the second cap; the first outer cross section and the second outer cross section are disposed in parallel.
As a preferred embodiment, the first outer upright, the first outer transverse, the second outer upright, the second outer transverse and the third outer upright are integrally provided.
As a preferred embodiment, the first outer vertical portion and the second outer vertical portion are disposed opposite to each other at two ends of the first outer lateral portion, and the first outer vertical portion, the first outer lateral portion, the second outer vertical portion and the first outer lateral portion are all disposed vertically;
the third outer vertical portion and the second outer vertical portion are oppositely arranged at two ends of the second outer transverse portion, and the third outer vertical portion, the second outer transverse portion, the second outer vertical portion and the second outer transverse portion are all vertically arranged.
In a preferred embodiment, the first outer upright portion is in contact with the housing, and the third outer upright portion is in contact with the housing.
As a preferred embodiment, the inner cylindrical cell comprises a first inner transverse part, an inner vertical part and a second inner transverse part which are connected in sequence; the first inner transverse part is abutted with the first cap; the second inner transverse part is abutted with the second cap; the inner vertical part sequentially passes through the round hole of the first circular collecting ring and the round hole of the second circular collecting ring and is arranged in parallel with the second outer vertical part.
As a preferred embodiment, the first inner lateral portion, the inner vertical portion, and the second inner lateral portion are integrally provided; the first inner transverse part is perpendicular to the inner vertical part, the second inner transverse part is perpendicular to the inner vertical part, and the first inner transverse part and the second inner transverse part are parallel.
As a preferred embodiment, the first circular collecting ring is disposed between the first outer lateral part and the first inner lateral part, and the first circular collecting ring is respectively abutted against the first outer lateral part and the first inner lateral part;
the second circular collecting ring is arranged between the second outer transverse part and the second inner transverse part, and is respectively abutted with the second outer transverse part and the second inner transverse part.
As a preferred embodiment, the first circular collecting ring and the second circular collecting ring are symmetrically arranged, and the first cap and the second cap are symmetrically arranged.
As a preferred embodiment, the first cap and the second cap are boss-shaped caps with edges.
As a preferred embodiment, the shell comprises a positive metal shell area, an insulating connection area and a negative metal shell area which are sequentially connected, wherein the positive metal shell area is arranged close to the first cap, and the negative metal shell area is arranged close to the second cap; the positive electrode metal shell area is abutted with the first outer vertical part, and the negative electrode metal shell area is abutted with the third outer vertical part.
As a preferred embodiment, the cylindrical full tab battery is a lithium ion battery, a sodium ion battery, a magnesium ion battery or a potassium ion battery.
Compared with the prior art, the method has the following technical effects:
(1) The positive electrode metal shell area is abutted with the first outer vertical part, and the negative electrode metal shell area is abutted with the third outer vertical part to transmit electrons, so that electrons transmitted along the length direction can be transmitted along the width direction, the transmission distance of charges is shortened, and the internal resistance of the cylindrical battery can be effectively reduced.
(2) The heat transfer channel of the battery cell is greatly increased by abutting the positive electrode metal shell area with the first outer vertical part and abutting the negative electrode metal shell area with the third outer vertical part, and a plurality of contact points of the battery cell and the shell are beneficial to the rapid conduction of the heat of the battery cell to the shell; moreover, the thermal field distribution can be improved through the mode that the outer vertical part is connected with the side wall of the shell, and the situation that local heat is too large caused by monopole ears is effectively relieved.
(3) The utility model discloses a pole ear of current mainstream cylinder does not have (full) pole ear battery can be saved to this application structure rub the step, avoids the pole ear to rub a series of problems that lead to, effectively improves the yields of battery.
(4) Compared with the existing mainstream cylindrical (full) tab-free battery, the electrolyte with the structure is easier to permeate and absorb.
(5) The structure has the advantages of simple production process, easy realization, higher production efficiency, contribution to industrialized application and easy batch or industrialized production.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the embodiments.
Drawings
Fig. 1 is a schematic longitudinal sectional view of an explosion structure of a cylindrical full-tab battery with a conductive casing according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a longitudinal cross-sectional structure of the cylindrical cell of FIG. 1;
fig. 3 is a schematic front view of the first circular slip ring of fig. 1;
fig. 4 is a schematic view of a longitudinal sectional structure of the housing of fig. 1.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described in the following embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, 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.
It should be noted that, if directional indications (such as up, down, left, right, front, back, top, bottom … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
At present, due to the rapid development of electric automobiles, requirements on high-current charging and discharging performance, higher safety performance and the like of the cylindrical power batteries are also higher and higher. However, the cylindrical lithium ion battery with the single-pole lug can only conduct charge transmission along the length direction of the current collector, and the long conduction distance leads to larger internal resistance; in addition, when the monopole lug is charged and discharged, the situation that local heat is too large easily occurs at the joint of the tab lug or the tab lug and the current collector or the joint of the tab lug and the shell cover, and the heat dissipation requirement of large-current charge and discharge of the power battery cannot be met. Based on this, it is necessary to provide a cylindrical full tab battery with a conductive casing to solve the above technical problems.
To achieve the above objective, as shown in fig. 1 to 4, an embodiment of the present utility model provides a cylindrical full tab battery with a conductive casing, which includes a housing 10, a cylindrical cell 20, a first cap 30, a second cap 40, a first circular collector ring 50 and a second circular collector ring 60;
the cylindrical battery cell 20 is arranged in the shell 10; the first circular collecting ring 50 is clamped on the inner side of one end of the cylindrical battery cell 20; the first cap 30 is disposed on an end face of one end of the cylindrical battery cell 20, and the first cap 30 abuts against the end face of one end of the housing 10;
the second circular collecting ring 60 is clamped on the inner side of the other end of the cylindrical battery cell 20; the second cap cover 40 is disposed on the end surface of the other end of the cylindrical battery cell 20, and the second cap cover 40 abuts against the end surface of the other end of the housing 10.
As a preferred embodiment, the cylindrical battery cell 20 is wound with a positive electrode sheet (not shown), a separator (not shown) and a negative electrode sheet (not shown), and the separator is disposed between the positive electrode sheet and the negative electrode sheet.
As a preferred embodiment, the cylindrical battery cell 20 includes an outer cylindrical battery cell 21 and an inner cylindrical battery cell 22 disposed adjacently; the inner cylindrical cell 22 is disposed inside the outer cylindrical cell 21.
As a preferred embodiment, the external cylindrical cell 21 includes a first external vertical portion 211, a first external horizontal portion 212, a second external vertical portion 213, a second external horizontal portion 214, and a third external vertical portion 215, which are sequentially connected; the first outer upstanding portion 211 is disposed adjacent the first cap 30 and the third outer upstanding portion 215 is disposed adjacent the second cap 40; the first outer cross section 212 and the second outer cross section 214 are disposed in parallel.
As a preferred embodiment, the first outer vertical portion 211, the first outer horizontal portion 212, the second outer vertical portion 213, the second outer horizontal portion 214, and the third outer vertical portion 215 are integrally provided.
As a preferred embodiment, the first outer vertical portion 211 and the second outer vertical portion 213 are disposed opposite to each other at two ends of the first outer lateral portion 212, and the first outer vertical portion 211, the first outer lateral portion 212, the second outer vertical portion 213 and the first outer lateral portion 212 are disposed vertically;
the third outer vertical portion 215 and the second outer vertical portion 213 are disposed opposite to each other at two ends of the second outer transverse portion 214, and the third outer vertical portion 215, the second outer transverse portion 214, the second outer vertical portion 213 and the second outer transverse portion 214 are all disposed vertically.
As a preferred embodiment, the first outer vertical portion 211 is in contact with the housing 10, and the third outer vertical portion 215 is in contact with the housing 10.
As a preferred embodiment, the inner cylindrical cell 22 includes a first inner lateral part 221, an inner vertical part 222, and a second inner lateral part 223 connected in sequence; the first inner lateral part 221 is abutted against the first cap 30; the second inner cross portion 223 abuts against the second cap 40; the inner vertical portion 222 sequentially passes through the circular hole of the first circular collecting ring 50 and the circular hole of the second circular collecting ring 60, and is disposed parallel to the second outer vertical portion 213.
As a preferred embodiment, the first inner lateral part 221, the inner vertical part 222, and the second inner lateral part 223 are integrally provided; the first inner transverse portion 221 is disposed perpendicular to the inner vertical portion 222, the second inner transverse portion 223 is disposed perpendicular to the inner vertical portion 222, and the first inner transverse portion 221 and the second inner transverse portion 223 are disposed in parallel.
As a preferred embodiment, the first circular collecting ring 50 is disposed between the first outer lateral part 212 and the first inner lateral part 221, and the first circular collecting ring 50 is respectively abutted against the first outer lateral part 212 and the first inner lateral part 221;
the second circular collector ring 60 is disposed between the second outer lateral part 214 and the second inner lateral part 223, and the second circular collector ring 60 is respectively abutted against the second outer lateral part 214 and the second inner lateral part 223.
As a preferred embodiment, the first circular collecting ring 50 and the second circular collecting ring 60 are symmetrically disposed, and the first cap 30 and the second cap 40 are symmetrically disposed.
As a preferred embodiment, the first cap 30 and the second cap 40 are both boss-shaped caps with edges.
As a preferred embodiment, the housing 10 includes a positive metal shell region 11, an insulating connection region 12, and a negative metal shell region 13 connected in sequence, the positive metal shell region 11 being disposed adjacent to the first cap 30, and the negative metal shell region 13 being disposed adjacent to the second cap 40; the positive electrode metal case region 11 is in contact with the first outer vertical portion 211, and the negative electrode metal case region 13 is in contact with the third outer vertical portion 215. Therefore, electrons conducted along the length direction can be conducted along the width direction, the transmission distance of charges is shortened, and the internal resistance of the cylindrical full-tab battery can be effectively reduced.
As a preferred embodiment, the cylindrical full tab battery is a lithium ion battery, a sodium ion battery, a magnesium ion battery or a potassium ion battery.
In this application embodiment, the centre of first block and second block all can set up to have the structure of screw thread, conveniently carries out the assembly of group battery to improve the volumetric energy density of whole group battery. The cap is typically attached to the housing by welding.
In the embodiment of the application, the first inner transverse part and the second inner transverse part can be welded to the upper surface of the circular collecting ring through the circular collecting ring, so that the welding area of the battery cell and the shell can be effectively increased, and the situation that local heat is overlarge due to the monopole lug can be effectively relieved; simultaneously, make first interior horizontal portion, interior horizontal portion of second and block bottom butt, through the adjustment to shell, cylindrical electric core and the high control pressure of block for first interior horizontal portion, interior horizontal portion of second and block bottom in close contact.
Compared with the prior art, the method has the following technical effects:
(1) The positive electrode metal shell area is abutted with the first outer vertical part, and the negative electrode metal shell area is abutted with the third outer vertical part to transmit electrons, so that electrons transmitted along the length direction can be transmitted along the width direction, the transmission distance of charges is shortened, and the internal resistance of the cylindrical battery can be effectively reduced.
(2) The heat transfer channel of the battery cell is greatly increased by abutting the positive electrode metal shell area with the first outer vertical part and abutting the negative electrode metal shell area with the third outer vertical part, and a plurality of contact points of the battery cell and the shell are beneficial to the rapid conduction of the heat of the battery cell to the shell; moreover, the thermal field distribution can be improved through the mode that the outer vertical part is connected with the side wall of the shell, and the situation that local heat is too large caused by monopole ears is effectively relieved.
(3) The utility model discloses a pole ear of current mainstream cylinder does not have (full) pole ear battery can be saved to this application structure rub the step, avoids the pole ear to rub a series of problems that lead to, effectively improves the yields of battery.
(4) Compared with the existing mainstream cylindrical (full) tab-free battery, the electrolyte with the structure is easier to permeate and absorb.
(5) The structure has the advantages of simple production process, easy realization, higher production efficiency, contribution to industrialized application and easy batch or industrialized production.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. The cylindrical full-tab battery with the conductive shell is characterized by comprising a shell, a cylindrical battery core, a first cap, a second cap, a first circular collecting ring and a second circular collecting ring;
the cylindrical battery cell is arranged in the shell; the first circular collecting ring is clamped on the inner side of one end of the cylindrical battery cell; the first cap is sleeved on the end face of one end of the cylindrical battery cell, and the first cap is abutted with the end face of one end of the shell;
the second circular collecting ring is clamped on the inner side of the other end of the cylindrical battery cell; the second cap is sleeved on the end face of the other end of the cylindrical battery cell, and the second cap is abutted with the end face of the other end of the shell.
2. The cylindrical full tab battery of claim 1, wherein the cylindrical cells comprise an outer cylindrical cell and an inner cylindrical cell disposed adjacent; the inner cylindrical battery cell is arranged on the inner side of the outer cylindrical battery cell.
3. The cylindrical full-tab battery with conductive housing as claimed in claim 2, wherein,
the external cylindrical battery cell comprises a first external vertical part, a first external transverse part, a second external vertical part, a second external transverse part and a third external vertical part which are sequentially connected; the first outer vertical portion is arranged close to the first cap, and the third outer vertical portion is arranged close to the second cap; the first outer cross section and the second outer cross section are disposed in parallel.
4. The cylindrical full tab battery of claim 3, wherein the first outer vertical portion, the first outer lateral portion, the second outer vertical portion, the second outer lateral portion, and the third outer vertical portion are integrally provided;
the first outer vertical portion is abutted with the shell, and the third outer vertical portion is abutted with the shell.
5. The cylindrical full-tab battery with conductive housing of claim 4, wherein,
the first outer vertical part and the second outer vertical part are oppositely arranged at two ends of the first outer transverse part, and the first outer vertical part, the first outer transverse part, the second outer vertical part and the first outer transverse part are all vertically arranged;
the third outer vertical portion and the second outer vertical portion are oppositely arranged at two ends of the second outer transverse portion, and the third outer vertical portion, the second outer transverse portion, the second outer vertical portion and the second outer transverse portion are all vertically arranged.
6. The cylindrical full-tab battery with conductive housing of claim 5, wherein,
the inner cylindrical battery cell comprises a first inner transverse part, an inner vertical part and a second inner transverse part which are sequentially connected; the first inner transverse part is abutted with the first cap; the second inner transverse part is abutted with the second cap; the inner vertical part sequentially passes through the round hole of the first circular collecting ring and the round hole of the second circular collecting ring and is arranged in parallel with the second outer vertical part.
7. The cylindrical full-tab battery with conductive housing of claim 6, wherein,
the first inner transverse part, the inner vertical part and the second inner transverse part are integrally arranged; the first inner transverse part is perpendicular to the inner vertical part, the second inner transverse part is perpendicular to the inner vertical part, and the first inner transverse part and the second inner transverse part are parallel.
8. The cylindrical full-tab battery with conductive housing of claim 7, wherein,
the first circular collecting ring is arranged between the first outer transverse part and the first inner transverse part, and is respectively abutted against the first outer transverse part and the first inner transverse part;
the second circular collecting ring is arranged between the second outer transverse part and the second inner transverse part, and is respectively abutted with the second outer transverse part and the second inner transverse part.
9. The cylindrical full-tab battery of claim 8, wherein the housing comprises a positive metal housing section, an insulating connection section, and a negative metal housing section connected in sequence, the positive metal housing section disposed proximate the first cap and the negative metal housing section disposed proximate the second cap; the positive electrode metal shell area is abutted with the first outer vertical part, and the negative electrode metal shell area is abutted with the third outer vertical part.
10. The cylindrical full-tab battery of claim 1, wherein the first circular collector ring is disposed symmetrically to the second circular collector ring and the first cap is disposed symmetrically to the second cap;
the first cap and the second cap are boss-shaped caps with edges;
the cylindrical full-tab battery is a lithium ion battery, a sodium ion battery, a magnesium ion battery or a potassium ion battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320287408.6U CN219286527U (en) | 2023-02-17 | 2023-02-17 | Cylindrical full-tab battery with conductive shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320287408.6U CN219286527U (en) | 2023-02-17 | 2023-02-17 | Cylindrical full-tab battery with conductive shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219286527U true CN219286527U (en) | 2023-06-30 |
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ID=86932335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320287408.6U Active CN219286527U (en) | 2023-02-17 | 2023-02-17 | Cylindrical full-tab battery with conductive shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219286527U (en) |
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2023
- 2023-02-17 CN CN202320287408.6U patent/CN219286527U/en active Active
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Address after: Building 3, Precision Machinery Industrial Park, No. 79 Gaodeng Road, Xishan District, Wuxi City, Jiangsu Province, 214000 Patentee after: Wuxi Pangu New Energy Co.,Ltd. Address before: 518000 507, Block C, Building 5, Hengming Bay Foreign Exchange Center, Huilongpu Community, Longcheng Street, Longgang District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Pangu Naxiang New Energy Co.,Ltd. |
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