CN213401327U - Soft package button cell - Google Patents
Soft package button cell Download PDFInfo
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- CN213401327U CN213401327U CN202022124111.7U CN202022124111U CN213401327U CN 213401327 U CN213401327 U CN 213401327U CN 202022124111 U CN202022124111 U CN 202022124111U CN 213401327 U CN213401327 U CN 213401327U
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- 239000010410 layer Substances 0.000 claims description 75
- 239000011241 protective layer Substances 0.000 claims description 20
- 239000012790 adhesive layer Substances 0.000 claims description 12
- 238000005538 encapsulation Methods 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 claims 2
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 206010016766 flatulence Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/109—Primary casings; Jackets or wrappings characterised by their shape or physical structure of button or coin shape
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
- H01M50/136—Flexibility or foldability
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/172—Arrangements of electric connectors penetrating the casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/548—Terminals characterised by the disposition of the terminals on the cells on opposite sides of the cell
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to a soft-packaged button battery, which comprises a soft-packaged shell, a pole core, a first insulating layer and a second insulating layer, wherein the pole core is packaged in the soft-packaged shell, the pole core is led out a first pole lug and a second pole lug with different polarities, the first end surface and the second end surface are respectively formed at the two ends of the soft-packaged shell in the axial direction, the outer end of the first pole lug penetrates out of the soft-packaged shell and is bent towards the first end surface, and the outer end of the second pole lug penetrates out of the soft-packaged shell and is bent towards the second end surface; the first pole lug is fixed on the first end face through the first insulating layer, a first through hole is formed in the first insulating layer, and the part, opposite to the first through hole, of the first pole lug is exposed; the second pole lug is fixed on the second end face through the second insulating layer, the second insulating layer is provided with a second through hole, and the part of the second pole lug, which is right opposite to the second through hole, is exposed. Compared with the prior art, realize the electricity through first utmost point ear and second utmost point ear and external equipment butt and be connected, soft packet of button cell can replace the use of crust button cell, and the security is higher.
Description
Technical Field
The utility model belongs to the technical field of button cell, especially, relate to a soft packet of button cell.
Background
A button cell is also called a button cell, and refers to a cell with a size similar to a small button, which generally has a larger diameter and a thinner thickness. Button cells are widely used in various miniature electronic products due to their small size. In recent years, with the development of science and technology, button cells are more and more deeply inserted into the lives of people, so that the requirements on the button cells are higher and higher.
The button cell comprises a hard-shell button cell and a soft-package button cell. The hard-shell button battery comprises an upper shell, a lower shell and a soft-package battery cell, wherein the upper shell and the lower shell are connected in an insulating mode, the soft-package battery cell is packaged between the upper shell and the lower shell, a positive electrode lug and a negative electrode lug are led out of the soft-package battery cell, the positive electrode lug is welded with the upper shell, and the negative electrode lug is welded with the lower shell. When the hard-shell button battery is mounted on external equipment, the hard-shell button battery is electrically connected with the external equipment by abutting the external equipment with the upper shell and the lower shell, so that the hard-shell button battery is simply connected with the external equipment and is convenient to mount. However, when the interior of the soft-packaged battery cell expands, the hard-shell button battery is easy to explode, and the safety is low.
Soft packet of button cell includes soft packet of casing and utmost point core, and utmost point core encapsulation is in soft packet of casing, draws out anodal utmost point ear and negative pole utmost point ear on the utmost point core, and anodal utmost point ear and negative pole utmost point ear are all worn out from soft packet of casing. When soft packet of button cell took place the flatulence in utmost point core inside, soft packet of shell body can provide the buffer space for utmost point core, takes place bulging deformation, can not blast, and the security is high. However, when the soft package button battery is mounted on an external device, the positive electrode tab and the negative electrode tab need to be welded on the external device to electrically connect the soft package button battery and the external device, so that the structure suitable for the soft package button battery needs to be matched on the external device. Therefore, the soft package button battery is complex to connect with the external equipment, the production cost of the external equipment is increased, and the application range of the soft package button battery is narrow.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: to the problem that current laminate polymer button cell is connected complicacy with external equipment, provide a laminate polymer button cell.
In order to solve the technical problem, an embodiment of the present invention provides a soft-packaged button battery, which includes a soft-packaged casing, a pole core, a first insulating layer and a second insulating layer, wherein the pole core is packaged in the soft-packaged casing, the pole core draws a first pole lug and a second pole lug with different polarities, a first end surface and a second end surface are respectively formed at two axial ends of the soft-packaged casing, an outer end of the first pole lug penetrates out of the soft-packaged casing and is bent towards the first end surface, and an outer end of the second pole lug penetrates out of the soft-packaged casing and is bent towards the second end surface;
the first insulating layer covers one side of the first lug, which is far away from the first end face, and fixes the first lug on the first end face, a first through hole is formed in the first insulating layer, and the part, which is opposite to the first through hole, of the first lug is exposed;
the second insulating layer covers one side, deviating from the second end face, of the second lug, the second lug is fixed on the second end face, a second through hole is formed in the second insulating layer, and the portion, right opposite to the second through hole, of the second lug is exposed.
Optionally, a first adhesive layer is fixed to one side of the first insulating layer close to the first end face, and the first insulating layer adhesively fixes the first tab to the first end face through the first adhesive layer.
Optionally, a second adhesive layer is fixed to a side of the second insulating layer close to the second end face, and the second insulating layer fixes the second tab to the second end face through the second adhesive layer.
Optionally, a first protrusion protruding toward the first insulating layer is disposed at a position of the first tab, which is opposite to the first through hole, and the first protrusion is located in the first through hole.
Optionally, a second protrusion protruding toward the second insulating layer is disposed at a position of the second tab, which is opposite to the second through hole, and the second protrusion is located in the second through hole.
Optionally, the first via is located in the center of the first insulating layer.
Optionally, the second via is located in the center of the second insulating layer.
Optionally, a first protective layer is attached to the first end face of the soft package shell, and the outer end of the first tab is located between the first protective layer and the first insulating layer.
Optionally, a second protective layer is attached to a second end face of the soft package shell, and the outer end of the second tab is located between the second protective layer and the second insulating layer.
Optionally, soft packet of button cell still includes the sleeve pipe, the sleeve pipe include the tube-shape main part, by the first flange of the one end opening of tube-shape main part inwards extension and by the second flange of the other end opening inwards extension of tube-shape main part, first flange overlap joint is in deviating from of first insulation layer a side surface of first terminal surface, the second flange overlap joint be in deviating from of second insulation layer a side surface of second terminal surface, the tube-shape main part parcel is in the periphery of soft packet of casing.
The embodiment of the utility model provides a soft-packaged button battery, first utmost point ear is buckled to the first terminal surface of soft-packaged shell, and fixes on the first terminal surface through the first insulating layer, and the part of first utmost point ear that sees through the first through-hole and exposes is first electrode terminal; the second lug is bent to the second end face of the soft package shell and fixed on the second end face through a second insulating layer, and the part of the second lug exposed through the second through hole is a second electrode terminal; compared with the existing soft package button battery, when the soft package button battery is installed on external equipment, the electric connection between the soft package button battery and the external equipment is realized through the butting between the first electrode terminal and the external equipment and the butting between the second electrode terminal and the external equipment, the first lug and the second lug are not required to be welded on the external equipment, a structure matched with the soft package button battery is not required to be additionally arranged on the external equipment, the production cost of the external equipment is reduced, and the installation is convenient; the soft-packaged button battery can replace a hard-shell button battery, does not explode, is higher in safety, and is favorable for expanding the application range of the soft-packaged button battery.
Drawings
Fig. 1 is a schematic structural diagram of a soft-packaged button battery according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram ii of a soft-package button battery according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the exploded structure of FIG. 1;
fig. 4 is a schematic structural diagram of a soft-packaged button battery according to another embodiment of the present invention;
fig. 5 is a schematic structural diagram of a soft-packaged button battery according to another embodiment of the present invention;
fig. 6 is a schematic diagram of the exploded structure of fig. 4.
The reference numerals in the specification are as follows:
1. a soft package housing; 11. a first end face; 12. a second end face; 13. a housing; 14. sealing edges;
2. a first insulating layer; 21. a first through hole;
3. a second insulating layer; 31. a second through hole;
4. a first tab; 41. a first protrusion;
5. a second tab; 51. a second protrusion;
6. a first protective layer; 7. a second protective layer;
8. a sleeve; 81. a cylindrical main body; 82. a first flange; 83. a second flange.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects 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 for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 1 to 3, the embodiment of the present invention provides a soft-packaged button battery, which comprises a soft-packaged casing 1, a pole core, a first insulating layer 2 and a second insulating layer 3, wherein the pole core is packaged in the soft-packaged casing 1, the pole core is led out a first pole lug 4 and a second pole lug 5 with different polarities, the first end surface 11 and the second end surface 12 are respectively formed at two axial ends of the soft-packaged casing 1, the outer end of the first pole lug 4 penetrates out of the soft-packaged casing 1 and is bent towards the first end surface 11, and the outer end of the second pole lug 5 penetrates out of the soft-packaged casing 1 and is bent towards the second end surface 12;
the first insulating layer 2 covers one side, away from the first end face 11, of the first tab 4, the first tab 4 is fixed on the first end face 11, a first through hole 21 is formed in the first insulating layer 2, and the part, opposite to the first through hole 21, of the first tab 4 is exposed;
the second insulating layer 3 covers one side of the second tab 5, which is far away from the second end face 12, and fixes the second tab 5 on the second end face 12, the second insulating layer 3 is provided with a second through hole 31, and the part of the second tab 5, which is just opposite to the second through hole 31, is exposed.
The embodiment of the utility model provides a soft-packaged button battery, first utmost point ear 4 is buckled to the first terminal surface 11 of soft-packaged shell 1, and fixes on first terminal surface 11 through first insulating layer 2, and the part of first utmost point ear 4 that sees through first through-hole 21 and exposes is first electrode terminal; the second tab 5 is bent to the second end face 12 of the soft package shell 1 and fixed on the second end face 12 through the second insulating layer 3, and the part of the second tab 5 exposed through the second through hole 31 is a second electrode terminal; compared with the existing soft package button battery, when the soft package button battery is installed on external equipment, the electric connection between the soft package button battery and the external equipment is realized through the butting between the first electrode terminal and the external equipment and the butting between the second electrode terminal and the external equipment, the first lug 4 and the second lug 5 are not required to be welded on the external equipment, and a structure matched with the soft package button battery is not required to be additionally arranged on the external equipment, so that the production cost of the external equipment is reduced, and the installation is convenient; the soft-packaged button battery can replace a hard-shell button battery, does not explode, is higher in safety, and is favorable for expanding the application range of the soft-packaged button battery.
The part of first utmost point ear 4 that is located first terminal surface 11 except that first terminal is covered by first insulation layer 2, avoids this part and the external equipment butt of first utmost point ear 4 to lead to soft packet of button cell short circuit, improve soft packet of button cell's safety in utilization.
The part of second utmost point ear 5 that is located second terminal surface 12 except that the second terminal is covered by second insulating layer 3, avoids this part and the external equipment butt of second utmost point ear 5 to lead to soft packet of button cell short circuit, improve soft packet of button cell's safety in utilization.
In the present embodiment, a first adhesive layer (not shown) is fixed to the first insulating layer 2 on a side close to the first end surface 11, and the first insulating layer 2 adhesively fixes the first tab 4 to the first end surface 11 via the first adhesive layer. Simple structure and convenient installation.
Preferably, the first insulating layer 2 is a sticker. The volume increase amount of the soft package button battery is reduced, so that the soft package button battery is light and convenient.
In an embodiment, a second adhesive layer (not shown) is fixed on a side of the second insulating layer 3 close to the second end face 12, and the second insulating layer 3 adhesively fixes the second pole piece 5 on the second end face 12 through the second adhesive layer. Simple structure and convenient installation.
Preferably, the second insulating layer 3 is a sticker. The volume increase amount of the soft package button battery is reduced, so that the soft package button battery is light and convenient.
In this embodiment, the first through hole 21 may be located at any position of the first insulating layer 2, and the position of the first through hole 21 on the first insulating layer 2 may be determined according to the installation requirement of the first tab 4 and the external device, so that the first tab 4 is convenient to abut against the external device.
Preferably, as shown in fig. 3, the first via hole 21 is located at the center of the first insulating layer 2. The first tab 4 can be exposed to be connected with external equipment, so that the soft package button battery can be mounted more conveniently.
Preferably, the first insulating layer 2 has a circular ring shape. Simple structure and convenient processing.
Preferably, the side of the first insulating layer 2 that deviates from the first end surface 11 is provided with an information identifier, so that the information of the soft-package button battery can be conveniently identified, and the attractiveness of the soft-package button battery is improved.
In this embodiment, the second through hole 31 may be located at any position of the second insulating layer 3, and the position of the second through hole 31 on the second insulating layer 3 may be determined according to the installation requirement of the second tab 5 and the external device, so that the second tab 5 is convenient to abut against the external device.
Preferably, as shown in fig. 3, the second via hole 31 is located at the center of the second insulating layer 3. The second lug 5 can be exposed to be connected with external equipment, so that the soft package button battery can be mounted more conveniently.
Preferably, the second insulating layer 3 has a circular ring shape. Simple structure and convenient processing.
Preferably, the side of the second insulating layer 3 that deviates from the second end face 12 is provided with an information identifier, so that the information of the soft-package button cell can be conveniently identified, and the attractiveness of the soft-package button cell is improved.
In the present embodiment, as shown in fig. 3, a first protective layer 6 is attached to the first end surface 11 of the soft package case 1, and the outer end of the first tab 4 is located between the first protective layer 6 and the first insulating layer 2. First protection layer 6 can increase the surface strength of soft packet of casing 1's first terminal surface 11, can protect first terminal surface 11, thereby prevent that soft packet of casing 1's first terminal surface 11 from being scratched and causing soft packet of button cell short circuit.
Note that the first protective layer 6 has an insulating function.
Preferably, the first protection layer 6 covers the first end face 11 entirely. The first end face 11 of the soft package shell 1 can be better protected, and the use safety of the soft package button battery is improved.
Preferably, the first protective layer 6 is a protective adhesive paper. The structure is simple, and the installation is convenient; the volume increase of the soft package button battery can be reduced, so that the soft package button battery is more portable.
In the present embodiment, as shown in fig. 3, a second protective layer 7 is attached to the second end face 12 of the soft package housing 1, and the outer end of the second tab 5 is located between the second protective layer 7 and the second insulating layer 3. The second protective layer 7 can increase the surface strength of the second end face 12 of the soft package shell 1, can protect the second end face 12, and prevent the second end face 12 of the soft package shell 1 from being scratched to cause short circuit of the soft package button battery.
Note that the second protective layer 7 has an insulating function.
Preferably, the second protective layer 7 covers the second end face 12 completely. The second end face 12 of the soft package shell 1 can be better protected, and the use safety of the soft package button battery is improved.
Preferably, the second protective layer 7 is protective adhesive paper. The structure is simple, and the installation is convenient; the volume increase of the soft package button battery can be reduced, so that the soft package button battery is more portable.
In this embodiment, as shown in fig. 1 to 3, the pouch button cell further includes a sleeve 8, the sleeve 8 includes a cylindrical main body 81, a first flange 82 extending inward from an opening at one end of the cylindrical main body 81, and a second flange 83 extending inward from an opening at the other end of the cylindrical main body 81, the first flange 82 overlaps on a side surface of the first insulating layer 2 away from the first end surface 11, the second flange 83 overlaps on a side surface of the second insulating layer 3 away from the second end surface 12, and the cylindrical main body 81 wraps the outer periphery of the pouch case 1. The periphery of the cylindrical main body 81 wrapping the soft package shell 1, the edge part of the first end face 11 is wrapped by the first flange 82, and the edge part of the second end face 12 is wrapped by the second flange 83, so that the capability of resisting external force extrusion, vibration and falling of the soft package button battery is improved, and the soft package button battery can be used instead of a hard shell button battery.
In the present embodiment, the sleeve 8 is wrapped outside the soft pack case 1 by heat shrinkage. The connection between the sleeve 8 and the soft package shell 1 is more fit and tight.
In the present embodiment, as shown in fig. 1 and 3, the cylindrical body 81 smoothly transitions with the first flange 82. Make sleeve pipe 8 laminate more in the outside of soft packet of casing 1.
In this embodiment, as shown in fig. 2, the cylindrical body 81 and the second flange 83 smoothly transition. Make sleeve pipe 8 laminate more in the outside of soft packet of casing 1.
In the present embodiment, as shown in fig. 3, the soft package case 1 includes an outer shell 13 wrapping the pole core and a seal edge 14 sealing the outer shell 13; the sealing edge 14 is bent along the axial direction of the pole core and is attached to the outer peripheral wall of the shell 13; the first tab 4 penetrates out of the soft package shell 1 from the sealed edge 14 and is bent towards the first end face 11; the second pole ear 5 penetrates out of the soft package shell 1 from the sealed edge 14 and is bent towards the second end face 12 around the sealed edge 14.
In one embodiment, the soft package case 1 is an aluminum-plastic composite film case. The sealing effect is good, and the corrosion resistance is high.
In this embodiment, the housing 13 comprises a first half-shell (not shown in the figures) and a second half-shell (not shown in the figures), the open end of the first half-shell being provided with a third flange (not shown in the figures) extending outwards, the open end of the second half-shell being provided with a fourth flange (not shown in the figures) extending outwards, the third flange and the fourth flange abutting to form the sealing edge 14. Wherein the third flange and the fourth flange are heat sealed and butted so as to realize sealing connection; by arranging the housing 13 in such a way that the first half shell and the second half shell are butt-spliced, the pole piece is accommodated in the housing 13.
In an embodiment, not shown, the pole core is formed by winding a first pole piece (not shown), a separator (not shown), and a second pole piece (not shown), wherein the first pole piece and the second pole piece are opposite in polarity, the first pole piece is provided with a first pole ear 4, and the second pole piece is provided with a second pole ear 5. The pole core is formed by winding, so that the energy density of the soft package button battery can be improved
In one embodiment, the difference between the lead-out position of the first tab 4 and the lead-out position of the second tab 5 is 0 to 180 degrees on the circumference. The requirement of leading out the lugs at different positions can be met.
Example 2
The difference from example 1 is: as shown in fig. 4 to 6, a first protrusion 41 protruding toward the first insulating layer 2 is disposed at a position of the first tab 4 facing the first through hole 21, and the first protrusion 41 is disposed in the first through hole 21. First arch 41 is first electrode terminal, and first utmost point ear 4 makes things convenient for first utmost point ear 4 to be connected with external equipment more through first arch 41 and external equipment butt, installs more swiftly, improves the stability that first utmost point ear 4 is connected with the external equipment electricity.
A second protrusion 51 protruding towards the second insulating layer 3 is arranged at a position of the second tab 5 facing the second through hole 31, and the second protrusion 51 is located in the second through hole 31. The second is protruding 51 is the second electrode terminal, and second utmost point ear 5 makes things convenient for second utmost point ear 5 to be connected with external equipment through protruding 51 and the external equipment butt of second, installs more swiftly, improves the stability that second utmost point ear 5 and external equipment electricity are connected.
The rest is the same as embodiment 1, and the description is omitted here.
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. The utility model provides a soft-packaged button cell, its characterized in that, includes soft-packaged shell, utmost point core, first insulating layer and second insulating layer, the utmost point core encapsulation is in the soft-packaged shell, first utmost point ear and the second utmost point ear of polarity difference are drawn forth to the utmost point core, first terminal surface and second terminal surface are formed respectively at the axial upper end of soft-packaged shell, the outer end of first utmost point ear is worn out soft-packaged shell and is buckled to first terminal surface, the outer end of second utmost point ear is worn out soft-packaged shell and is buckled to the second terminal surface;
the first insulating layer covers one side of the first lug, which is far away from the first end face, and fixes the first lug on the first end face, a first through hole is formed in the first insulating layer, and the part, which is opposite to the first through hole, of the first lug is exposed;
the second insulating layer covers one side, deviating from the second end face, of the second lug, the second lug is fixed on the second end face, a second through hole is formed in the second insulating layer, and the portion, right opposite to the second through hole, of the second lug is exposed.
2. The soft-packaged button cell according to claim 1, wherein a first adhesive layer is fixed on one side of the first insulating layer close to the first end face, and the first insulating layer adhesively fixes the first tab on the first end face through the first adhesive layer.
3. The soft-packaged button cell according to claim 1 or 2, wherein a second adhesive layer is fixed on one side of the second insulating layer close to the second end face, and the second insulating layer is used for adhering and fixing the second lug on the second end face through the second adhesive layer.
4. The soft-package button battery according to claim 1, wherein a first protrusion protruding toward the first insulating layer is disposed at a position of the first tab facing the first through hole, and the first protrusion is located in the first through hole.
5. The soft-package button battery according to claim 1 or 4, wherein a second protrusion protruding towards the second insulating layer is arranged at a position of the second tab facing the second through hole, and the second protrusion is located in the second through hole.
6. The pouch button cell according to claim 1, wherein the first through hole is located at the center of the first insulating layer.
7. The pouch button cell according to claim 1 or 6, wherein the second through hole is located in the center of the second insulating layer.
8. The soft-packaged button cell according to claim 1, wherein a first protective layer is attached to the first end face of the soft-packaged shell, and the outer end of the first tab is located between the first protective layer and the first insulating layer.
9. The soft-packaged button cell according to claim 1 or 8, wherein a second protective layer is attached to the second end face of the soft-packaged shell, and the outer end of the second tab is located between the second protective layer and the second insulating layer.
10. The soft-packaging button cell of claim 1, further comprising a sleeve, wherein the sleeve comprises a cylindrical main body, a first flange extending inwards from one end opening of the cylindrical main body and a second flange extending inwards from the other end opening of the cylindrical main body, the first flange is lapped on the first insulating layer, the first insulating layer deviates from one side surface of the first end face, the second insulating layer deviates from one side surface of the second end face, and the cylindrical main body wraps the periphery of the soft-packaging shell.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022124111.7U CN213401327U (en) | 2020-09-24 | 2020-09-24 | Soft package button cell |
| PCT/CN2021/094426 WO2022062431A1 (en) | 2020-09-24 | 2021-05-18 | Soft-packed button cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022124111.7U CN213401327U (en) | 2020-09-24 | 2020-09-24 | Soft package button cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213401327U true CN213401327U (en) | 2021-06-08 |
Family
ID=76182963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022124111.7U Active CN213401327U (en) | 2020-09-24 | 2020-09-24 | Soft package button cell |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN213401327U (en) |
| WO (1) | WO2022062431A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023070591A1 (en) * | 2021-10-29 | 2023-05-04 | 宁德新能源科技有限公司 | Electrochemical apparatus and electrical device |
| WO2024120536A1 (en) * | 2022-12-09 | 2024-06-13 | 珠海冠宇电池股份有限公司 | Battery and electronic device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115407091A (en) * | 2022-09-16 | 2022-11-29 | 武汉市汉泰斯特科技有限公司 | Traveling die for button battery detection |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6284248B1 (en) * | 2016-11-22 | 2018-02-28 | セイコーインスツル株式会社 | Electrochemical cell and method for producing electrochemical cell |
| CN209119242U (en) * | 2018-12-11 | 2019-07-16 | 深圳市格瑞普电池有限公司 | Fastening lithium ionic cell |
| JP7246178B2 (en) * | 2018-12-14 | 2023-03-27 | セイコーインスツル株式会社 | electrochemical cell |
| CN211045581U (en) * | 2019-12-17 | 2020-07-17 | 曙鹏科技（深圳）有限公司 | Button soft package lithium battery |
| CN211045533U (en) * | 2019-12-17 | 2020-07-17 | 曙鹏科技（深圳）有限公司 | Button soft package lithium battery |
| CN111244380A (en) * | 2020-02-25 | 2020-06-05 | 惠州锂威新能源科技有限公司 | Laminate type soft package button battery |
-
2020
- 2020-09-24 CN CN202022124111.7U patent/CN213401327U/en active Active
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2021
- 2021-05-18 WO PCT/CN2021/094426 patent/WO2022062431A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023070591A1 (en) * | 2021-10-29 | 2023-05-04 | 宁德新能源科技有限公司 | Electrochemical apparatus and electrical device |
| WO2024120536A1 (en) * | 2022-12-09 | 2024-06-13 | 珠海冠宇电池股份有限公司 | Battery and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022062431A1 (en) | 2022-03-31 |
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