CN211045533U - Button soft package lithium battery - Google Patents
Button soft package lithium battery Download PDFInfo
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- CN211045533U CN211045533U CN201922277036.5U CN201922277036U CN211045533U CN 211045533 U CN211045533 U CN 211045533U CN 201922277036 U CN201922277036 U CN 201922277036U CN 211045533 U CN211045533 U CN 211045533U
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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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- 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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Abstract
The utility model provides a button soft package lithium battery, which comprises a soft package battery core and a shell, wherein the soft package battery core comprises a battery core body, a positive plate and a negative plate, and the positive plate and the negative plate are used for leading out current from the battery core body; the shell comprises an insulating shell, a positive electrode shell and a negative electrode shell, and both the positive electrode shell and the negative electrode shell have conductivity; the positive electrode shell and the negative electrode shell are respectively arranged at the upper end and the lower end of the insulating shell so as to encapsulate the soft package battery cell in the shell; the positive plate is electrically connected with the positive shell, and the negative plate is electrically connected with the negative shell. The utility model provides a soft packet of lithium cell of button is through encapsulating soft packet of electricity core in the casing for the overall dimension of casing becomes the overall dimension of the soft packet of lithium cell of button, thereby reduces the dimensional tolerance of the soft packet of lithium cell of button, and convenience of customers installs and uses.
Description
Technical Field
The utility model belongs to the technical field of the battery, more specifically say, relate to a soft packet of lithium cell of button.
Background
The button cell is a cell with the overall dimension like a small button, generally has a larger diameter and a thinner thickness, and is widely applied to products such as computer mainboards, electronic watches, electronic dictionaries, electronic scales, remote controllers, electric toys and the like.
The soft packet of lithium cell of button that appears in the market at present only has soft packet of electricity core, because the structure and the material characteristic of soft packet of electricity core self lead to the soft packet of lithium cell of present button to take place deformation very easily, and overall dimension is hardly unified for the external dimension tolerance of the soft packet of lithium cell of button is great, has brought inconvenience for the user uses the soft packet of lithium cell of button.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a soft packet of lithium cell of button to solve the technical problem that the outside dimensional tolerance between the soft packet of lithium cell of button that exists among the prior art is big.
In order to achieve the above object, the utility model adopts the following technical scheme: the button soft package lithium battery comprises a soft package battery cell and a shell, wherein the soft package battery cell comprises a battery cell body, a positive plate and a negative plate, and the positive plate and the negative plate are used for leading out current from the battery cell body;
the shell comprises an insulating shell, a positive electrode shell and a negative electrode shell, and both the positive electrode shell and the negative electrode shell have conductivity;
the positive electrode shell and the negative electrode shell are respectively arranged at the upper end and the lower end of the insulating shell so as to encapsulate the soft package battery cell in the shell;
the positive plate is electrically connected with the positive shell, and the negative plate is electrically connected with the negative shell.
Furthermore, the insulating shell is provided with a holding tank, the battery cell body is provided with a folded edge, and the folded edge extends into the holding tank.
Further, the receiving groove extends in a circumferential direction of the insulating case.
Furthermore, the insulating device also comprises an insulating sleeve sleeved on the insulating shell.
Further, the orthographic projections of the positive electrode shell and the negative electrode shell along the vertical direction are both positioned in the orthographic projection of the insulating shell along the vertical direction.
Furthermore, the insulating shell comprises an outer shell and inner shells arranged at the upper end and the lower end of the outer shell;
the positive electrode shell and the negative electrode shell are respectively arranged outside the inner shell;
the upper end of the outer wall of the insulating shell is aligned with the lower end of the outer wall of the positive electrode shell, and the lower end of the outer wall of the insulating shell is aligned with the upper end of the outer wall of the negative electrode shell.
Furthermore, a clamping groove or/and a clamping protrusion are/is arranged on the inner shell, a clamping protrusion or/and a clamping groove is/are correspondingly arranged on the positive electrode shell, and a clamping protrusion or/and a clamping groove is/are correspondingly arranged on the negative electrode shell;
the clamping protrusions can extend into the clamping grooves to clamp the positive electrode shell and the negative electrode shell on the insulating shell respectively.
Further, the insulation shell comprises a first arc-shaped shell and a second arc-shaped shell which are spliced along the circumferential direction of the insulation shell;
a first limiting bulge is arranged at the end part of the first arc-shaped shell extending along the circumferential direction of the insulating shell, and a first limiting groove is arranged on the inner side or the outer side of the first limiting bulge; a second limiting protrusion corresponding to the first limiting groove is arranged at the end part of the second arc-shaped shell extending along the circumferential direction of the insulating shell, and a second limiting groove corresponding to the first limiting protrusion is arranged on the inner side or the outer side of the second limiting protrusion;
the first limiting protrusion can extend into the second limiting groove, and the second limiting protrusion can extend into the first limiting groove.
Further, the battery also comprises insulating layers respectively arranged between the battery cell body and the positive electrode shell and between the battery cell body and the negative electrode shell.
Furthermore, the insulating shell is also provided with a clearance groove for avoiding the positive plate and the negative plate.
The utility model provides a soft packet of lithium cell of button's beneficial effect lies in: compared with the prior art, the utility model discloses positive pole shell and the negative pole shell of button soft-package lithium cell are installed respectively in the upper and lower both ends of insulating casing and are constituted the casing, make the profile size of casing be convenient for control, so that the profile size of batch production's casing is the same, reduce the dimensional tolerance between the casing, consequently after encapsulating soft-package electricity core in the casing, the profile size of casing is the profile size of button soft-package lithium cell promptly, thereby reduced the dimensional tolerance of button soft-package lithium cell, convenience of customers installs and uses, also convenience of customers replaces the maintenance simultaneously; the soft package lithium battery is located in the shell and can be protected by the shell, so that the soft package lithium battery is prevented from being deformed when the button soft package lithium battery is dropped, impacted by external force and the like, the button soft package lithium battery is damaged, and the failure rate of the button soft package lithium battery is reduced; the positive shell and the negative shell are arranged at the upper end and the lower end of the insulating shell, so that the positive shell and the negative shell can be arranged in an insulating way through the insulating shell, and the short circuit of the button soft package lithium battery is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural view of a button soft-package lithium battery provided by an embodiment of the present invention;
FIG. 2 is an exploded schematic view of the button soft pack lithium battery of FIG. 1;
fig. 3 is a schematic structural diagram of the soft-package battery cell in fig. 2;
FIG. 4 is a schematic structural view of the insulating housing of FIG. 2;
FIG. 5 is a schematic structural view of the first arcuate shell of FIG. 2;
FIG. 6 is a schematic structural view of the second arcuate shell of FIG. 2;
fig. 7 is a falling state diagram of the button soft package lithium battery in fig. 1.
Wherein, in the figures, the respective reference numerals:
1. soft-packaged battery cells; 11. a cell body; 111. folding edges; 12. a positive plate; 13. a negative plate; 2. a housing; 21. an insulating case; 211. a housing; 2111. accommodating grooves; 212. an inner shell; 2121. a card slot; 213. a first arcuate shell; 2131. a first limit protrusion; 2132. a first limit groove; 214. a second arcuate shell; 2141. a second limit bulge; 2142. a second limit groove; 215. an empty avoiding groove; 22. a positive electrode case; 221. identifying the mark; 23. a negative electrode case; 24. clamping convex; 3. an insulating sleeve.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 4, a button soft package lithium battery provided by the present invention will now be described. The button soft package lithium battery comprises a soft package battery cell 1 and a shell 2, wherein the soft package battery cell 1 comprises a battery cell body 11, a positive plate 12 and a negative plate 13, and the positive plate 12 and the negative plate 13 are used for leading current out of the battery cell body 11;
the shell 2 comprises an insulating shell 21, a positive electrode shell 22 and a negative electrode shell 23, and both the positive electrode shell 22 and the negative electrode shell 23 are conductive;
the positive electrode shell 22 and the negative electrode shell 23 are respectively installed at the upper end and the lower end of the insulating shell 21 so as to encapsulate the soft package battery cell 1 in the shell 2;
The utility model provides a soft packet of lithium cell of button, compared with the prior art, positive pole shell 22 and negative pole shell 23 are installed respectively in the upper and lower both ends of insulating casing 21 and are constituted casing 2, make the contour dimension of casing 2 be convenient for control, so that the contour dimension of batch production's casing 2 is the same, reduce the dimensional tolerance between casing 2, consequently after encapsulating soft packet of electric core 1 in casing 2, the contour dimension of casing 2 is the contour dimension of the soft packet of lithium cell of button promptly, thereby reduced the dimensional tolerance of the soft packet of lithium cell of button, convenience of customers installs and uses, convenience of customers replaces the maintenance simultaneously; the soft package lithium battery cell 1 is positioned in the shell 2 and can be protected by the shell 2, so that the soft package lithium battery cell 1 is prevented from being deformed when the button soft package lithium battery is dropped, impacted by external force and the like, the button soft package lithium battery is damaged, and the failure rate of the button soft package lithium battery is reduced; the positive electrode shell 22 and the negative electrode shell 23 are mounted at the upper end and the lower end of the insulating shell 21, so that the positive electrode shell 22 and the negative electrode shell 23 can be mounted in an insulating mode through the insulating shell 21, and short circuit of the button soft package lithium battery is avoided.
Specifically, the insulating case 21 is a plastic member.
Specifically, the positive electrode can 22 and the negative electrode can 23 are both hollow circular truncated cones.
Further, please refer to fig. 2 to fig. 4, as a specific embodiment of the button soft package lithium battery provided by the present invention, the insulating shell 21 is provided with a receiving groove 2111, the cell body 11 is provided with a folded edge 111, and the folded edge 111 extends into the receiving groove 2111, so that the cell body 11 is close to the insulating shell 21 as much as possible, the size of the insulating shell 21 is reduced, the situation that the folded edge 111 occupies too much space in the insulating shell 21, which causes the size of the insulating shell 21 to be too large, and the size of the folded edge 111 extending into the receiving groove 2111 is changed, so that the insulating shell 21 can receive multiple soft package cells 1 with different sizes, thereby improving the compatibility of the shell 2; the spacing hem 111 of cell wall ability of holding tank 2111 avoids soft-packaged electrical core 1 freely to remove in casing 2, leads to soft-packaged electrical core 1 and 2 collisions of casing and influences the life of the soft-packaged lithium cell of button.
Specifically, the accommodation groove 2111 is a through groove that communicates the inside and outside of the insulating case 21.
Further, please refer to fig. 2 and fig. 4, as the utility model provides a specific implementation of soft packet of lithium cell of button, holding tank 2111 extends along the circumference of insulating casing 21 for the upper portion of electric core body 11 is adjusted well with positive shell 22, and the lower part of electric core body 11 is adjusted well with negative pole shell 23, improves the rationality of soft packet of electric core 1 position installation in casing 2, and it is unreasonable to avoid the position installation of soft packet of electric core 1 in casing 2, and reduces casing 2 and installs the compatibility of not unidimensional soft packet of electric core 1.
Further, please refer to fig. 1, fig. 2 and fig. 4, as the utility model provides a concrete implementation of soft packet of lithium cell of button still locates insulation support 3 on insulation shell 21 including the cover, and insulation support 3 can separate in external and casing 2, wraps up hem 111 in insulation support 3, can reduce the foreign object simultaneously and get into in casing 2 from holding tank 2111 to improve soft packet of battery's of button wholeness, reduce the short circuit risk of soft packet of lithium cell of button, prolong the life of soft packet of lithium cell of button.
Specifically, insulating sleeve 3's upper and lower both ends laminate with casing 2 respectively to improve the leakproofness of the soft packet of lithium cell of button, prolong the life of the soft packet of lithium cell of button.
Further, please refer to fig. 1, fig. 4 and fig. 7, as the utility model provides a soft packet of lithium cell of button's a specific embodiment, positive pole shell 22 and negative pole shell 23 all lie in insulating shell 21 along the orthographic projection of upper and lower direction, when meetting the soft packet of lithium cell of button and fall on level land or desktop, through the support of insulating shell 21 for positive pole shell 22 and negative pole shell 23 can not contact with ground or desktop simultaneously, thereby avoid the soft packet of lithium cell short circuit of button.
Further, referring to fig. 1, fig. 2 and fig. 4, as a specific embodiment of the button soft-package lithium battery provided by the present invention, the insulating casing 21 includes an outer casing 211 and inner casings 212 disposed at upper and lower ends of the outer casing 211;
the positive electrode can 22 and the negative electrode can 23 are respectively arranged outside the inner can 212 to encapsulate the insulating can 21, the positive electrode can 22 and the negative electrode can 23 into the can 2;
the upper end of the outer wall of insulating casing 21 aligns with the lower extreme of the outer wall of positive shell 22, the lower extreme of the outer wall of insulating casing 21 aligns with the upper end of the outer wall of negative pole shell 23, in order to improve casing 2's wholeness, avoid positive shell 22 and negative pole shell 23 to bulge shell 211 and influence the installation and use of the soft packet lithium cell of button, be convenient for simultaneously control insulating casing 21, the cross sectional dimension of positive shell 22 and negative pole shell 23, make positive shell 22 and negative pole shell 23 can not contact with ground or desktop simultaneously.
Specifically, the upper portion of casing 2 is the round platform that the diameter upwards reduces gradually from bottom to top, and the lower part of casing 2 is the round platform that the diameter reduces gradually from top to bottom to the outside profile longitudinal symmetry of casing 2 makes the soft packet of lithium cell of button close with the shape of the button cell on the market, and the user of being convenient for uses, can also avoid the soft packet of lithium cell short circuit of button after the soft packet of lithium cell of button falls.
Further, referring to fig. 2 and fig. 4, as a specific embodiment of the button soft-package lithium battery provided by the present invention, a clamping groove 2121 is disposed on the inner shell 212, a clamping protrusion 24 is disposed on the positive electrode shell 22, and a clamping protrusion 24 is disposed on the negative electrode shell 23; or
The inner shell 212 is provided with a clamping protrusion, the positive shell 22 is provided with a clamping groove, and the negative shell 23 is provided with a clamping groove; or
The inner shell 212 is provided with a clamping groove 2121 and a clamping protrusion, the positive shell 22 is provided with a clamping protrusion 24 and a clamping groove, and the negative shell 23 is provided with a clamping protrusion 24 and a clamping groove;
the clamping protrusions 24 can extend into the clamping grooves 2121 to clamp the positive electrode shell 22 and the negative electrode shell 23 on the insulating shell 21 respectively, and the structure is simple, installation is convenient, and assembly efficiency is high.
Further, please refer to fig. 2, fig. 5 and fig. 6, as a specific embodiment of the button soft package lithium battery provided by the present invention, the insulating shell 21 includes a first arc shell 213 and a second arc shell 214 spliced along the circumferential direction of the insulating shell 21, so as to place the soft package battery cell 1 in the insulating shell 21, thereby improving the assembly efficiency;
the end part of the first arc-shaped shell 213 extending along the circumferential direction of the insulating shell 21 is provided with a first limiting protrusion 2131, and the inner side or the outer side of the first limiting protrusion 2131 is provided with a first limiting groove 2132; a second limiting protrusion 2141 corresponding to the first limiting groove 2132 is arranged at the end of the second arc-shaped shell 214 extending along the circumferential direction of the insulating shell 21, and a second limiting groove 2142 corresponding to the first limiting protrusion 2131 is arranged on the inner side or the outer side of the second limiting protrusion 2141;
the first limiting protrusions 2131 can extend into the second limiting grooves 2142, the second limiting protrusions 2141 can extend into the first limiting grooves 2132, the second limiting protrusions 2141 are limited by the first limiting grooves 2132, and the first limiting protrusions 2131 are limited by the second limiting grooves 2142, so that the stability of the first arc-shaped shell 213 and the second arc-shaped shell 214 after splicing is ensured, and the first arc-shaped shell 213 and the second arc-shaped shell 214 are prevented from being dislocated due to relative movement in the vertical direction, the internal and external direction and the circumferential direction of the insulating shell 21; the spliced first arc-shaped shell 213 and second arc-shaped shell 214 are connected together through the positive electrode shell 22 and the negative electrode shell 23, and the structure is simple and the assembly is convenient.
In particular, the first arc shell 213 and the second arc shell 214 can also be connected by the insulating sleeve 3.
Further, as the utility model provides a soft packet of lithium cell of button a concrete implementation mode still including locating the insulating layer (not shown in the figure) between electric core body 11 and the positive plate 22 and between electric core body 11 and the negative pole shell 23 respectively for it is insulating between electric core body 11, positive plate 22 and the negative pole shell 23, avoids the short circuit of soft packet of lithium cell of button, thereby improves the security of using the soft packet of lithium cell of button.
Specifically, positive plate 12 buckles on the outer wall of insulating layer, and negative plate 13 buckles on the outer wall of insulating layer to with insulating between the outer wall of electric core body 11, positive plate 12 and the negative plate 13, avoid the soft packet of lithium cell short circuit of button.
Specifically, the insulating layer is an insulating adhesive paper.
Further, please refer to fig. 2 and fig. 4, as a specific embodiment of the button soft-package lithium battery provided by the present invention, the insulating casing 21 is further provided with a clearance groove 215 for avoiding the positive plate 12 and the negative plate 13, so as to reduce the distance between the cell body 11 and the insulating casing 21, so that the soft-package cell 1 is more compactly installed in the casing 2, and the influence of the overlarge gap between the cell body 11 and the casing 2 on the stability of the soft-package cell 1 installed in the casing 2 is avoided; meanwhile, the insulating shell 21 can be compatible with more soft-package battery cells 1 with different sizes, so that the compatibility of the shell 2 is improved.
Further, please refer to fig. 1, as a specific embodiment of the button soft package lithium battery provided by the present invention, the positive electrode shell 22 or the negative electrode shell 23 is provided with the identification mark 221, preferably, the identification mark 221 is provided on the positive electrode shell 22 to record the production specification of the button soft package lithium battery.
Specifically, the identification mark 221 is a two-dimensional code.
The utility model also provides a soft packet of lithium cell assembly method of button, including following step:
s1: welding the positive plate 12 of the soft-package battery cell 1 into the positive shell 22; welding the negative plate 13 of the soft package battery cell 1 into the negative shell 23; respectively fixing insulating layers at the upper end and the lower end of a cell body 11 of the soft-package cell 1;
s2: moving the positive electrode case 22 from the side of the cell body 11 to above the cell body 11, and moving the negative electrode case 23 from the side of the cell body 11 to below the cell body 11;
s3: splicing the first arc-shaped shell 213 and the second arc-shaped shell 214 to the outside of the cell body 11 to form an insulating shell 21;
s4: pushing the positive electrode can 22 downward to clamp the positive electrode can 22 to the upper end of the insulating can 21, and pushing the negative electrode can 23 upward to clamp the negative electrode can 23 to the lower end of the insulating can 21;
s5: the insulating sleeve 3 is sleeved outside the insulating shell 21.
The utility model provides an assembly method of button soft-package lithium cell, weld positive plate 12 of soft-package battery cell 1 in positive shell 22, weld negative pole piece 13 of soft-package battery cell 1 in negative shell 23, then move positive shell 22 from the side of the electric core body 11 of soft-package battery cell 1 to the top of electric core body 11, when moving negative shell 23 from the side of electric core body 11 to the below of electric core body 11, positive plate 12 can buckle along with the removal of positive shell 22, and negative pole piece 13 can buckle along with the removal of negative shell 23; since the positive electrode can 22 has been moved above the cell body 11 and the negative electrode can 23 has been moved below the cell body 11, by splicing the first arc-shaped can 213 and the second arc-shaped can 214 to the outside of the cell body 11 to form the insulating can 21, interference of the positive electrode can 22 and the negative electrode can 23 with the first arc-shaped can 213 and the second arc-shaped can 214 is avoided, the assembly efficiency is improved, and the assembly difficulty is reduced; the insulating shell 21, the positive shell 22 and the negative shell 23 are assembled together to form the shell 2, and the soft package battery core 1 is packaged in the shell 2, so that the dimensional tolerance of the button soft package lithium battery is reduced, and the button soft package lithium battery is convenient to install and use by a user; establish insulation support 3 at insulating casing 21 overcoat, reduced in foreign object gets into casing 2, improved the wholeness of the soft packet of lithium cell of button.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Button soft-packaged lithium cell, including soft-packaged electrical core, soft-packaged electrical core includes electric core body, positive plate and negative pole piece, the positive plate with the negative pole piece be used for certainly draw electric current, its characterized in that in the electric core body: the device also comprises a shell;
the shell comprises an insulating shell, a positive electrode shell and a negative electrode shell, and both the positive electrode shell and the negative electrode shell have conductivity;
the positive electrode shell and the negative electrode shell are respectively arranged at the upper end and the lower end of the insulating shell so as to encapsulate the soft package battery cell in the shell;
the positive plate is electrically connected with the positive shell, and the negative plate is electrically connected with the negative shell.
2. The button lithium-ion battery pack of claim 1, wherein: the battery cell is characterized in that the insulating shell is provided with a holding tank, the battery cell body is provided with a folded edge, and the folded edge extends into the holding tank.
3. The button lithium-ion battery pack of claim 2, wherein: the receiving groove extends in a circumferential direction of the insulating case.
4. The button lithium-ion battery pack of claim 2, wherein: the insulating sleeve is sleeved on the insulating shell.
5. The button lithium-ion battery pack of claim 1, wherein: and the orthographic projections of the positive electrode shell and the negative electrode shell in the vertical direction are positioned in the orthographic projections of the insulating shell in the vertical direction.
6. The button lithium-ion battery pack of claim 5, wherein: the insulating shell comprises an outer shell and inner shells arranged at the upper end and the lower end of the outer shell;
the positive electrode shell and the negative electrode shell are respectively arranged outside the inner shell;
the upper end of the outer wall of the insulating shell is aligned with the lower end of the outer wall of the positive electrode shell, and the lower end of the outer wall of the insulating shell is aligned with the upper end of the outer wall of the negative electrode shell.
7. The button lithium-ion battery pack of claim 6, wherein: the inner shell is provided with a clamping groove or/and a clamping protrusion, the positive electrode shell is correspondingly provided with a clamping protrusion or/and a clamping groove, and the negative electrode shell is correspondingly provided with a clamping protrusion or/and a clamping groove;
the clamping protrusions can extend into the clamping grooves to clamp the positive electrode shell and the negative electrode shell on the insulating shell respectively.
8. The button lithium-ion battery pack of claim 6, wherein: the insulation shell comprises a first arc-shaped shell and a second arc-shaped shell which are spliced along the circumferential direction of the insulation shell;
a first limiting bulge is arranged at the end part of the first arc-shaped shell extending along the circumferential direction of the insulating shell, and a first limiting groove is arranged on the inner side or the outer side of the first limiting bulge; a second limiting protrusion corresponding to the first limiting groove is arranged at the end part of the second arc-shaped shell extending along the circumferential direction of the insulating shell, and a second limiting groove corresponding to the first limiting protrusion is arranged on the inner side or the outer side of the second limiting protrusion;
the first limiting protrusion can extend into the second limiting groove, and the second limiting protrusion can extend into the first limiting groove.
9. The button lithium-ion battery pack of claim 1, wherein: the battery also comprises insulating layers respectively arranged between the battery cell body and the positive electrode shell and between the battery cell body and the negative electrode shell.
10. The button lithium-ion battery pack of claim 1, wherein: and the insulating shell is also provided with a clearance groove for avoiding the positive plate and the negative plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922277036.5U CN211045533U (en) | 2019-12-17 | 2019-12-17 | Button soft package lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922277036.5U CN211045533U (en) | 2019-12-17 | 2019-12-17 | Button soft package lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211045533U true CN211045533U (en) | 2020-07-17 |
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ID=71569220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922277036.5U Active CN211045533U (en) | 2019-12-17 | 2019-12-17 | Button soft package lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211045533U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112687994A (en) * | 2020-12-25 | 2021-04-20 | 宁德新能源科技有限公司 | Button cell |
| CN113178649A (en) * | 2021-04-22 | 2021-07-27 | 路华置富电子(深圳)有限公司 | Solid button cell |
| CN113328198A (en) * | 2021-05-27 | 2021-08-31 | 宁德新能源科技有限公司 | Battery and power consumption device |
| CN113767494A (en) * | 2020-09-30 | 2021-12-07 | 宁德新能源科技有限公司 | Battery and electronic device with same |
| WO2022062431A1 (en) * | 2020-09-24 | 2022-03-31 | 曙鹏科技（深圳）有限公司 | Soft-packed button cell |
-
2019
- 2019-12-17 CN CN201922277036.5U patent/CN211045533U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022062431A1 (en) * | 2020-09-24 | 2022-03-31 | 曙鹏科技（深圳）有限公司 | Soft-packed button cell |
| CN113767494A (en) * | 2020-09-30 | 2021-12-07 | 宁德新能源科技有限公司 | Battery and electronic device with same |
| WO2022067745A1 (en) * | 2020-09-30 | 2022-04-07 | 宁德新能源科技有限公司 | Battery and electronic device having said battery |
| CN113767494B (en) * | 2020-09-30 | 2024-01-12 | 宁德新能源科技有限公司 | Battery and electronic device with same |
| CN112687994A (en) * | 2020-12-25 | 2021-04-20 | 宁德新能源科技有限公司 | Button cell |
| CN113178649A (en) * | 2021-04-22 | 2021-07-27 | 路华置富电子(深圳)有限公司 | Solid button cell |
| CN113328198A (en) * | 2021-05-27 | 2021-08-31 | 宁德新能源科技有限公司 | Battery and power consumption device |
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