CN113394442A - Button cell structure - Google Patents
Button cell structure Download PDFInfo
- Publication number
- CN113394442A CN113394442A CN202110716557.5A CN202110716557A CN113394442A CN 113394442 A CN113394442 A CN 113394442A CN 202110716557 A CN202110716557 A CN 202110716557A CN 113394442 A CN113394442 A CN 113394442A
- Authority
- CN
- China
- Prior art keywords
- metal
- connecting piece
- cover body
- metal cover
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims abstract description 139
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 239000003792 electrolyte Substances 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 3
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 3
- -1 polyethylene terephthalate Polymers 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 8
- FYIBGDKNYYMMAG-UHFFFAOYSA-N ethane-1,2-diol;terephthalic acid Chemical compound OCCO.OC(=O)C1=CC=C(C(O)=O)C=C1 FYIBGDKNYYMMAG-UHFFFAOYSA-N 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
Images
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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0422—Cells or battery with cylindrical casing
- H01M10/0427—Button cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0431—Cells with wound or folded electrodes
-
- 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
-
- 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
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/153—Lids or covers characterised by their shape for button or coin cells
-
- 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
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention provides a button cell structure. Button cell structure include metal casing, accept in core is rolled up in the metal casing, and locate lid structure on the metal casing, metal casing is one end open-ended cavity tubular structure, metal casing's inner chamber is for being used for holding roll up the chamber that holds of core and electrolyte, roll up the first utmost point ear of core with metal casing connects, lid structure locates metal casing's open end, lid structure includes first metal lid, first connecting piece and second metal lid, first connecting piece clamp is located first metal lid with between the second metal lid, first connecting piece with first metal lid reaches second metal lid sealing connection. The button battery structure provided by the invention can fully utilize the space to improve the battery capacity, for example, the battery capacity of 1054/3.7V can be improved from 35mAh to 45mAh; the button cell structure of the invention has beautiful appearance.
Description
Technical Field
The invention relates to a button cell structure.
Background
Along with bluetooth headset's popular use, the user feels the requirement improvement to experience, and current TWS earphone capacity is low, appears the weeping easily, safety risks such as drum, and the battery can produce magnetic field at the during operation, and the interference of making an uproar influences customer experience at the bottom of producing to the earphone.
Disclosure of Invention
In view of the above, it is necessary to provide a button cell structure.
The utility model provides a button cell structure, includes metal casing, accept in roll up the core in the metal casing, and locate lid structure on the metal casing, the metal casing is one end open-ended cavity tubular structure, the inner chamber of metal casing is for being used for holding roll up the chamber that holds of core and electrolyte, roll up the first utmost point ear of core with the metal casing is connected, lid structure locates the open end of metal casing, lid structure includes first metal lid, first connecting piece and second metal lid, first connecting piece clamp is located first metal lid with between the second metal lid, first connecting piece with first metal lid reaches second metal lid sealing connection, second metal lid with the second utmost point ear of roll up the core is connected.
Further, the first metal cover body, the first connecting piece and the second metal cover body are arranged in sequence from top to bottom along the axial direction of the metal shell body.
Furthermore, a first through hole penetrating through the upper end face and the lower end face of the first metal cover body is formed in the first metal cover body, a second through hole penetrating through the upper end face and the lower end face of the first connecting piece is formed in the first connecting piece, the opening position of the second through hole corresponds to the opening position of the first through hole, the second metal cover body comprises a body and a protruding portion protruding from the body, and the protruding portion extends into the first through hole through the second through hole.
Furthermore, the upper end face and the lower end face of the first connecting piece are respectively provided with a first bonding part, the first bonding part on the upper end face of the first connecting piece is in sealing connection with the first metal cover body, and the first bonding part on the lower end face of the first connecting piece is in sealing connection with the second metal cover body.
Further, the first bonding portion is a double-sided tape.
Further, the first connecting piece is made of a polyethylene terephthalate material.
Further, the first metal cover, the second metal cover and the metal shell are all made of stainless steel materials.
Furthermore, the button cell structure further comprises a second connecting piece and a third metal cover body, the second connecting piece is arranged above the first metal cover body, a third through hole penetrating through the upper end face and the lower end face of the second connecting piece is formed in the second connecting piece, the third through hole corresponds to the second through hole in position, the bulge of the second metal cover body extends into the third through hole, the third metal cover body is arranged on the upper end face of the second connecting piece, the third metal cover body is welded with the second metal cover body, and the third metal cover body is used for fixing the second metal cover body and electrically connected with the second metal cover body.
Furthermore, the second connecting piece is made of a polyethylene glycol terephthalate material, the upper end face and the lower end face of the second connecting piece are both provided with second bonding portions, the second bonding portions on the upper end face of the second connecting piece are in sealing connection with the third metal cover body, and the second bonding portions on the lower end face of the second connecting piece are in sealing connection with the first metal cover body.
The button cell structure provided by the invention can fully utilize the space to improve the cell capacity, for example, the 1054/3.7V cell capacity can be improved from 35mAh to 45mAh, and the button cell structure provided by the invention has beautiful appearance.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it should be obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a button cell structure according to the present invention;
FIG. 2 is an exploded view of the button cell structure shown in FIG. 1;
FIG. 3 is a schematic structural view of a cover structure of the button cell structure shown in FIG. 1;
FIG. 4 is a cross-sectional view of a cover structure of the button cell structure shown in FIG. 1;
fig. 5 is a schematic perspective view of another embodiment of a button cell structure;
fig. 6 is an exploded view of the button cell structure shown in fig. 5.
The names corresponding to the reference numbers in the drawings are as follows:
the metal cover comprises a metal shell 1, a winding core 2, a first metal cover body 3, a first connecting piece 4, a second metal cover body 5, a second connecting piece 6, a third metal cover body 7, a first lug 21 and a second lug 22.
Detailed Description
The following is a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements are also considered to be within the scope of the present invention.
Referring to fig. 1-6, a button cell structure of the present invention includes a metal case 1, a winding core 2 accommodated in the metal case 1, and a cover structure (not shown) disposed on the metal shell 1, wherein the metal shell is a hollow cylindrical structure with an opening at one end, the inner cavity of the metal shell is a containing cavity for containing the winding core and electrolyte, a first tab 21 of the winding core is connected with the metal shell, the cover body structure is arranged at the opening end of the metal shell and comprises a first metal cover body 3, a first connecting piece 4 and a second metal cover body 5, the first connecting piece clamp is arranged between the first metal cover body and the second metal cover body, the first connecting piece is connected with the first metal cover body and the second metal cover body in a sealing mode, and the second metal cover body is connected with the second pole lug 22 of the winding core.
In one embodiment, the first metal cover, the first connecting member, and the second metal cover are sequentially disposed from top to bottom along an axial direction of the metal housing.
In one embodiment, the first metal cover has a first through hole (not shown) penetrating through upper and lower end surfaces of the first metal cover, the first connecting member has a second through hole (not shown) penetrating through upper and lower end surfaces of the first connecting member, an opening position of the second through hole corresponds to an opening position of the first through hole, the second metal cover includes a body (not shown) and a protrusion (not shown) protruding from the body, and the protrusion extends into the first through hole through the second through hole.
In one embodiment, the upper end surface and the lower end surface of the first connecting piece are provided with first bonding portions (not shown), the first bonding portions on the upper end surface of the first connecting piece are connected with the first metal cover body in a sealing mode, and the first bonding portions on the lower end surface of the first connecting piece are connected with the second metal cover body in a sealing mode. Specifically, the first bonding portion may be a double-sided tape.
In one embodiment, the first connector is made of a PET material, i.e. ethylene terephthalate.
In one embodiment, the first tab is a negative tab and the second tab is a positive tab.
In one embodiment, the first metal cover, the second metal cover, and the metal case are all made of a stainless steel material. It will be appreciated that the first metal cover, the second metal cover, and the metal shell may also be made of other hard metal materials.
Referring to fig. 1 to 6, in an embodiment, the button cell structure further includes a second connecting member 6 and a third metal cover 7, the second connecting member is disposed above the first metal cover, a third through hole penetrating through upper and lower end faces of the second connecting member is formed in the second connecting member, the third through hole corresponds to the second through hole, the protruding portion of the second metal cover extends into the third through hole, the third metal cover is disposed on the upper end face of the second connecting member, the third metal cover is welded to the second metal cover, and the third metal cover is used for fixing the second metal cover and electrically connecting to the second metal cover.
In one embodiment, the second connecting member is made of ethylene terephthalate, the upper and lower end surfaces of the second connecting member are provided with second bonding portions (not shown), the second bonding portions on the upper end surface of the second connecting member are hermetically connected with the third metal cover, and the second bonding portions on the lower end surface of the second connecting member are hermetically connected with the first metal cover. Specifically, the first bonding portion may be a double-sided tape or a hot melt adhesive.
In one embodiment, the third metal cover is made of a stainless steel material. It will be appreciated that the third metal cover may also be made of other hard metal materials.
The installation process comprises the following steps: and will first connecting piece hot pressing arrives on the first metal cover body, will second metal cover body hot pressing arrives on the first metal cover body, first connecting piece is located first metal cover body with between the second metal cover body, will roll up the core and install in the metal shell, will roll up the first utmost point ear 21 of core and weld on the metal shell, will roll up the second utmost point ear 22 of core and weld on the first metal cover body, to hold the intracavity and annotate behind the electrolyte, will the lid structure welds the open end of metal shell.
The button battery structure can fully utilize space to improve the battery capacity, for example, the battery capacity of 1054/3.7V can be improved from 35mAh to 45mAh; the button cell structure of the invention has beautiful appearance.
The above examples only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the spirit of the present invention, and these changes and modifications are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A button cell structure which characterized in that: including metal casing, accept in roll up the core in the metal casing, and locate lid structure on the metal casing, the metal casing is one end open-ended cavity tubular structure, the inner chamber of metal casing is for being used for holding roll up the chamber that holds of core and electrolyte, roll up the first utmost point ear of core with the metal casing is connected, lid structure locates the open end of metal casing, lid structure includes first metal lid, first connecting piece and second metal lid, first connecting piece clamp is located first metal lid with between the second metal lid, first connecting piece with first metal lid reaches second metal lid sealing connection, the second metal lid with the second utmost point ear of rolling up the core is connected.
2. A button cell construction according to claim 1, wherein: the first metal cover body, the first connecting piece and the second metal cover body are arranged from top to bottom in sequence along the axial direction of the metal shell.
3. A button cell construction according to claim 2 wherein: the first metal cover body is provided with a first through hole penetrating through the upper end face and the lower end face of the first metal cover body, the first connecting piece is provided with a second through hole penetrating through the upper end face and the lower end face of the first connecting piece, the opening position of the second through hole corresponds to the opening position of the first through hole, the second metal cover body comprises a body and a protruding portion protruding on the body, and the protruding portion extends into the first through hole through the second through hole.
4. A button cell construction according to claim 3 wherein: the upper end face and the lower end face of the first connecting piece are respectively provided with a first bonding portion, the first bonding portion on the upper end face of the first connecting piece is in sealing connection with the first metal cover body, and the first bonding portion on the lower end face of the first connecting piece is in sealing connection with the second metal cover body.
5. A button cell construction according to claim 4 wherein: the first bonding portion is a double-sided tape.
6. A button cell construction according to claim 5 wherein: the first connecting piece is made of a polyethylene terephthalate material.
7. A button cell construction according to claim 6 wherein: the first metal cover body, the second metal cover body and the metal shell are all made of stainless steel materials.
8. A button cell construction according to claim 7 wherein: the button cell structure further comprises a second connecting piece and a third metal cover body, the second connecting piece is arranged above the first metal cover body, a third through hole penetrating through the upper end face and the lower end face of the second connecting piece is formed in the second connecting piece, the third through hole corresponds to the second through hole in position, the protruding portion of the second metal cover body extends into the third through hole, the third metal cover body is arranged on the upper end face of the second connecting piece and is welded with the second metal cover body, and the third metal cover body is used for fixing the second metal cover body and is electrically connected with the second metal cover body.
9. A button cell construction according to claim 8 wherein: the second connecting piece is made of ethylene glycol terephthalate, second bonding portions are arranged on the upper end face and the lower end face of the second connecting piece, the second bonding portions on the upper end face of the second connecting piece are in sealing connection with the third metal cover body, and the second bonding portions on the lower end face of the second connecting piece are in sealing connection with the first metal cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110716557.5A CN113394442A (en) | 2021-06-28 | 2021-06-28 | Button cell structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110716557.5A CN113394442A (en) | 2021-06-28 | 2021-06-28 | Button cell structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113394442A true CN113394442A (en) | 2021-09-14 |
Family
ID=77624080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110716557.5A Pending CN113394442A (en) | 2021-06-28 | 2021-06-28 | Button cell structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113394442A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113937395A (en) * | 2021-09-30 | 2022-01-14 | 新余赣锋电子有限公司 | Button cell |
| CN113937423A (en) * | 2021-09-30 | 2022-01-14 | 新余赣锋电子有限公司 | Button cell |
| CN114039136A (en) * | 2021-11-05 | 2022-02-11 | 新余赣锋电子有限公司 | Welding steel shell battery cell |
| CN114122573A (en) * | 2021-11-05 | 2022-03-01 | 新余赣锋电子有限公司 | Nested formula box hat electricity core |
-
2021
- 2021-06-28 CN CN202110716557.5A patent/CN113394442A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113937395A (en) * | 2021-09-30 | 2022-01-14 | 新余赣锋电子有限公司 | Button cell |
| CN113937423A (en) * | 2021-09-30 | 2022-01-14 | 新余赣锋电子有限公司 | Button cell |
| CN114039136A (en) * | 2021-11-05 | 2022-02-11 | 新余赣锋电子有限公司 | Welding steel shell battery cell |
| CN114122573A (en) * | 2021-11-05 | 2022-03-01 | 新余赣锋电子有限公司 | Nested formula box hat electricity core |
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