CN221150076U - Alkaline button cell - Google Patents
Alkaline button cell Download PDFInfo
- Publication number
- CN221150076U CN221150076U CN202323087329.XU CN202323087329U CN221150076U CN 221150076 U CN221150076 U CN 221150076U CN 202323087329 U CN202323087329 U CN 202323087329U CN 221150076 U CN221150076 U CN 221150076U
- Authority
- CN
- China
- Prior art keywords
- positive electrode
- diaphragm
- shell
- anodal
- negative pole
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 239000007774 positive electrode material Substances 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims description 19
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 239000007773 negative electrode material Substances 0.000 abstract description 12
- 239000010406 cathode material Substances 0.000 description 7
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 206010010214 Compression fracture Diseases 0.000 description 2
- 239000010405 anode material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229910001923 silver oxide Inorganic materials 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- VUFYPLUHTVSSGR-UHFFFAOYSA-M hydroxy(oxo)nickel Chemical compound O[Ni]=O VUFYPLUHTVSSGR-UHFFFAOYSA-M 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Primary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model provides an alkaline button cell, which comprises a positive electrode shell, a negative electrode cover, a sealing ring, a positive electrode material, a negative electrode material and a diaphragm, wherein a gasket is supported and arranged between the sealing ring and the inner bottom surface of the positive electrode shell, the diaphragm is cylindrical and is only opened at the bottom end, the bottom edge of the diaphragm extends to the inner bottom surface of the positive electrode shell and is in contact connection with the inner bottom surface of the positive electrode shell, and the inner surface of the diaphragm and the inner bottom surface of the positive electrode shell are enclosed together to form a positive electrode material accommodating cavity, so that the sealing ring does not press the diaphragm and the positive electrode material when the upper edge of the positive electrode shell is bent inwards, and a series of problems caused by the sealing ring extruding the diaphragm and the positive electrode material are avoided.
Description
Technical Field
The utility model relates to the field of batteries, in particular to an alkaline button cell.
Background
The general structure of the existing alkaline button cell is: the cathode cover 20' is in sealing connection with the cathode shell 10' through the sealing ring 30', the cathode material 50' is arranged on one side of the cathode cover 20' and is in contact connection with the cathode cover 20', the cathode material 40' is arranged on one side of the cathode shell 10' and is in contact connection with the cathode shell 10', and the diaphragm 60' is positioned between the cathode material 40' and the cathode material 50' to separate the cathode material from the cathode material 50 '; the seal ring 30' presses against the separator 60' and the positive electrode material 40' (as shown in fig. 1). Accordingly, the conventional silver oxide button cell has the following drawbacks: (1) The diaphragm is wrinkled, and the internal resistance of the contact of the materials of the positive electrode and the negative electrode is increased; (2) The diaphragm is easy to be crushed and broken, and the contact short circuit of the anode material and the cathode material is easy to be caused; (3) The anode material is easy to deform when pressed, and the total height of the battery is affected; (4) The positive electrode material is pressed, the ion transmission path is far away from the negative electrode material, the reaction efficiency is low, the material utilization rate is low, and the cost is high.
Disclosure of utility model
The utility model aims to provide an alkaline button cell which can solve a series of problems caused by pressing a sealing ring on a piece of isolating paper and a piece of positive electrode in the prior art.
The utility model provides an alkaline button cell, includes anodal shell, negative pole lid, sealing washer, anodal material, negative pole material and diaphragm, and the negative pole lid passes through sealing washer and anodal shell sealing connection, the negative pole material is established in one side of negative pole lid and is connected with the negative pole lid contact, anodal material establish in one side of anodal shell and be connected with anodal shell contact, the diaphragm is located anodal material with separate the two between the negative pole material, the bottom distance of sealing washer the interior bottom surface one section height of anodal shell, just the sealing washer with support between the interior bottom surface of anodal shell and set up a packing ring, the diaphragm is cylindric and only the bottom is opened, the bottom edge of diaphragm extends to anodal shell's interior bottom surface department and with anodal shell's interior bottom surface contact is connected, the internal surface of diaphragm with the interior bottom surface of anodal shell encloses the positive pole material holding chamber of enclosing together.
According to the utility model, the gasket is additionally arranged between the sealing ring and the bottom wall of the positive electrode shell, meanwhile, the diaphragm is cylindrical and only the bottom end is open, the bottom edge of the diaphragm extends to the inner bottom surface of the positive electrode shell and is in contact connection with the inner bottom surface of the positive electrode shell, and the inner surface of the diaphragm and the inner bottom surface of the positive electrode shell are enclosed together to form the positive electrode material accommodating cavity, so that the sealing ring does not move downwards or press the diaphragm and the positive electrode material when the upper edge of the positive electrode shell is bent inwards, the increase of contact internal resistance caused by the compression wrinkling of the diaphragm and the internal short circuit caused by the compression fracture of the diaphragm are avoided, and the influence on the total height of the battery caused by the compression deformation of the positive electrode material is also avoided; and the positive electrode material and the negative electrode material are arranged up and down correspondingly, the ion transmission paths of the positive electrode material and the negative electrode material are closer, the reaction efficiency is high, the material utilization rate is high, and the material and the cost of the positive electrode material and the negative electrode material are saved.
Preferably, the inner peripheral surface of the seal ring and the inner peripheral surface of the gasket are bonded to the outer peripheral surface of the diaphragm.
Preferably, the diaphragm is formed by superposing two layers of diaphragm paper, so that the short-circuit prevention effect is further enhanced.
Drawings
FIG. 1 is an axial sectional structural view of a conventional alkaline button cell;
fig. 2 is an axial sectional structural view of the alkaline button cell of the present utility model.
Description of the embodiments
Specific embodiments of an alkaline button cell of the present utility model will now be described in detail with reference to the accompanying drawings:
As shown in fig. 2, the alkaline button cell comprises a positive electrode shell 10, a negative electrode cover 20, a sealing ring 30, a positive electrode material 40, a negative electrode material 50 and a diaphragm 60, wherein the negative electrode cover 20 is in sealing connection with the positive electrode shell 10 through the sealing ring 30, the negative electrode material 50 is arranged on one side of the negative electrode cover 20 and is in contact connection with the negative electrode cover 20, the positive electrode material 40 is arranged on one side of the positive electrode shell 10 and is in contact connection with the positive electrode shell 10, the diaphragm 60 is positioned between the positive electrode material 40 and the negative electrode material 50 to separate the positive electrode material 40 from the positive electrode shell 10, the bottom end of the sealing ring 30 is at a certain height from the inner bottom surface of the positive electrode shell 10, a gasket 70 is supported between the sealing ring 30 and the inner bottom surface of the positive electrode shell 10, the diaphragm 60 is cylindrical and is only open at the bottom end, the bottom edge of the diaphragm 60 extends to the inner bottom surface of the positive electrode shell 10 and is in contact connection with the inner bottom surface of the positive electrode shell 10, and the inner surface of the diaphragm 60 is combined with the inner bottom surface of the positive electrode shell 10 to form a positive electrode material accommodating cavity.
The sealing ring 30 of the utility model has the same structure as the sealing ring of the existing alkaline button cell, only a gasket 70 is needed to be added between the sealing ring 30 and the bottom wall of the positive electrode shell 10, meanwhile, the diaphragm 60 is cylindrical and only the bottom end is open, the bottom edge of the diaphragm 60 extends to the inner bottom surface of the positive electrode shell 10 and is in contact connection with the inner bottom surface of the positive electrode shell 10, the inner surface of the diaphragm 60 and the inner bottom surface of the positive electrode shell 10 are enclosed together to form a positive electrode material accommodating cavity, so that when the upper edge of the positive electrode shell 10 is bent inwards, the sealing ring 30 does not move downwards, and does not press the diaphragm 60 and the positive electrode material 40, thereby avoiding the increase of contact internal resistance caused by the compression wrinkling of the diaphragm 60 and the internal short circuit caused by the compression fracture of the diaphragm 60, and avoiding the influence of the battery caused by the compression deformation of the positive electrode material 40; and, the positive electrode material 40 and the negative electrode material 50 are arranged up and down correspondingly, the ion transmission paths of the positive electrode material 40 and the negative electrode material are closer, the reaction efficiency is high, the material utilization rate is high, and the material and the cost of the positive electrode material and the negative electrode material are saved.
Preferably, as shown in fig. 2, the inner peripheral surface of the seal ring 30 and the inner peripheral surface of the gasket 70 are bonded to the outer peripheral surface of the diaphragm 60.
Preferably, as shown in fig. 2, the separator 60 is formed by stacking two separator papers, so as to further enhance the short circuit prevention effect. Of course, the separator 60 may be a single-layer separator paper.
The alkaline button cell of the present utility model refers to: the positive electrode active material is one or a combination of a plurality of manganese dioxide, silver oxide, silver nickelate and hydroxyl nickel oxide, and the negative electrode active material is zinc.
It should be understood by those skilled in the art that the present utility model may be embodied in many different forms without departing from the spirit or essential characteristics thereof.
Claims (3)
1. The utility model provides an alkaline button cell, includes anodal shell, negative pole lid, sealing washer, anodal material, negative pole material and diaphragm, and the negative pole lid passes through sealing washer and anodal shell sealing connection, the negative pole material is established in one side of negative pole lid and is connected with the negative pole lid contact, anodal material is established in one side of anodal shell and is connected with anodal shell contact, the diaphragm is located anodal material with separate the two between the negative pole material, the bottom distance of sealing washer the interior bottom surface one section height of anodal shell, its characterized in that: the sealing ring and the inner bottom surface of the positive electrode shell are supported and provided with a gasket, the diaphragm is cylindrical and is only opened at the bottom end, the bottom edge of the diaphragm extends to the inner bottom surface of the positive electrode shell and is in contact connection with the inner bottom surface of the positive electrode shell, and the inner surface of the diaphragm and the inner bottom surface of the positive electrode shell are enclosed together to form a positive electrode material accommodating cavity.
2. The alkaline button cell of claim 1, wherein: the inner peripheral surface of the sealing ring and the inner peripheral surface of the gasket are jointly attached to the outer peripheral surface of the diaphragm.
3. The alkaline button cell of claim 1, wherein: the diaphragm is formed by superposing two layers of diaphragm paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323087329.XU CN221150076U (en) | 2023-11-16 | 2023-11-16 | Alkaline button cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323087329.XU CN221150076U (en) | 2023-11-16 | 2023-11-16 | Alkaline button cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221150076U true CN221150076U (en) | 2024-06-14 |
Family
ID=91388053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323087329.XU Active CN221150076U (en) | 2023-11-16 | 2023-11-16 | Alkaline button cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221150076U (en) |
-
2023
- 2023-11-16 CN CN202323087329.XU patent/CN221150076U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210245557U (en) | Button cell | |
| CN110085921B (en) | Rechargeable hard shell lithium ion battery | |
| CN210245625U (en) | Button cell packaging structure | |
| EP4235947A3 (en) | Laser welded lithium-ion button cell battery comprising a top plate | |
| CN111883716A (en) | Miniature button cell seals and explosion-proof construction | |
| CN210897346U (en) | Battery with a battery cell | |
| WO2007079617A1 (en) | A button-type battery | |
| CN221150076U (en) | Alkaline button cell | |
| CN221150075U (en) | Alkaline button cell | |
| US3442716A (en) | Alkaline cell | |
| CN210403778U (en) | Button cell for improving radial space utilization rate | |
| CN221150074U (en) | Short-circuit-preventing alkaline button cell | |
| CN111430591A (en) | Square electricity core end cover with protect function | |
| US3355329A (en) | Cell having integral valve, terminal, and contact member assembly | |
| CN201072785Y (en) | High power alkaline zinc-manganese battery | |
| CN212277317U (en) | Miniature button cell seals and explosion-proof construction | |
| CN210245652U (en) | Cylindrical lithium battery | |
| CN212323097U (en) | Battery structure with cap upper bracket | |
| CN212494039U (en) | Miniature battery seals and explosion-proof construction | |
| CN211789228U (en) | Cap with safety valve and battery using same | |
| CN211320247U (en) | Novel electric core and battery | |
| CN218351579U (en) | Utmost point post seal structure and battery monomer thereof | |
| CN112952208A (en) | Square winding button type lithium battery | |
| CN219553747U (en) | Soft packet of zinc-air battery structure | |
| CN217507397U (en) | Alkaline battery negative electrode frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |