CN106960946A - Button cell cathode top and negative pole combination and alkaline button cell - Google Patents
Button cell cathode top and negative pole combination and alkaline button cell Download PDFInfo
- Publication number
- CN106960946A CN106960946A CN201710315553.XA CN201710315553A CN106960946A CN 106960946 A CN106960946 A CN 106960946A CN 201710315553 A CN201710315553 A CN 201710315553A CN 106960946 A CN106960946 A CN 106960946A
- Authority
- CN
- China
- Prior art keywords
- annular
- wall
- negative pole
- connecting portion
- button cell
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/24—Electrodes for alkaline accumulators
-
- 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
- H01M10/24—Alkaline accumulators
- H01M10/28—Construction or manufacture
- H01M10/283—Cells or batteries with two cup-shaped or cylindrical collectors
- H01M10/285—Button cells
-
- 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)
- Primary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Combined the invention discloses alkaline button cell and negative pole, including positive pole cup, negative pole top, O-ring seal, positive pole cake, barrier film and calamine cream, completely cut off between positive pole cup and negative pole top by O-ring seal, separated between positive pole cake and calamine cream by barrier film, negative pole top includes the annular bending part of integrally formed central area and intermediate region periphery, annular bending part includes annular inner wall, annular connecting portion between annular outer wall and annular inner wall and annular outer wall, the lower surface of annular connecting portion plane in a ring, the width of planar annular is 0.2mm 0.4mm, it is adhesively fixed after the lower surface leaching viscose glue water of annular connecting portion with O-ring seal, its advantage is the lower surface plane in a ring of the annular connecting portion on negative pole top, the width of planar annular is 0.2mm 0.4mm, the lower end arc-shaped on negative pole top is designed to plane, when viscose glue water is soaked in the lower surface on negative pole top, the plane contact site can adhere to more glue, bond effect between negative pole top and sealing ring is more preferable.
Description
Technical field
The present invention relates to a kind of button cell field, more particularly to a kind of button cell cathode top and negative pole combination and alkalescence
Button cell.
Background technology
There are the zinc-manganese button cell epoch of mercury, negative pole top lower end is need not to print glue can also play good leakproof
Performance.Because mercury is a kind of good corrosion inhibiter, it can effectively absorb the gas of inside battery generation, battery is not produced gas
Swollen and leakage.But mercury is a kind of environmentally harmful heavy metal, the requirement of national environmental protection explicit order is forbidden home sale or produced mercurous
Battery, the mercury-free epoch are put into from the production of this alkaline Mn cell.
The production of mercury-free battery, is a kind of larger test to battery leak resistance.Alkaline button cell include positive pole cup,
Negative pole top, sealing ring, calamine cream, positive pole cake and barrier film, are separated between positive pole cake and calamine cream by barrier film, positive pole cake and negative pole top it
Between insulated by sealing ring.The production technology of alkaline button cell is as follows:Positive pole cake and barrier film are sequentially placed into positive pole cup, is made
Combined for positive pole;The lower end on negative pole top is stained with glue and bonded with sealing ring, is combined as negative pole;Then injected in negative pole combination
Calamine cream, negative pole combination is put into positive pole combination, and bending processing is carried out to positive pole cup, using the upper edge of positive pole cup by sealing ring
Bending encases negative pole top, so as to complete the assembling of alkaline button cell.
When having manufacturer at present using negative pole top print adhesive process, the viscous glue once of leaching is exactly removed with negative pole top, then will print
The negative pole top of complete glue is put into sealing ring, negative pole top is bonded with sealing ring.Here glue, which is played, clings negative pole top and sealing
The effect in both gaps of circle and filling.Because the lower end on negative pole top is in circular arc, the quick viscous arc sections for staying in negative pole top of leaching
On glue quantity not enough, this influences whether the sealing effectiveness of negative pole top and sealing ring, and leak preventing effect is not good;Negative pole top is built-in simultaneously
There is zinc powder, a large amount of glue can not be manually injected into again, otherwise can pollute zinc powder, influence the electrical property of button cell.
It is therefore desired to provide a kind of button cell cathode top and negative pole combination and alkaline button cell, it can
Overcome at least a portion in above mentioned problem.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of good leak-proof effect and do not influence the button cell of electrical property
Negative pole top, it is further provided combined and alkaline button cell by the negative pole for including described button cell cathode top.
The present invention solve the technical scheme that is used of above-mentioned technical problem for:Button cell cathode top, it is by stainless steel
Matter is made, and includes the annular bending part of integrally formed central area and intermediate region periphery, described annular bending part bag
Include under the annular connecting portion between annular inner wall, annular outer wall and annular inner wall and annular outer wall, described annular connecting portion
End face plane in a ring, the width of described planar annular is 0.2mm-0.4mm.
Further preferred scheme is the present invention:The height of described annular outer wall is less than the height of annular inner wall.
Negative pole is combined, including negative pole top and O-ring seal, and described negative pole top is made up of stainless steel, and described is negative
Pole top includes the annular bending part of integrally formed central area and intermediate region periphery, and described annular bending part includes ring
Annular connecting portion between shape inwall, annular outer wall and annular inner wall and annular outer wall, it is characterised in that described annular connection
The lower surface in portion plane in a ring, the width of described planar annular is 0.2mm-0.4mm, the lower end of described annular connecting portion
It is adhesively fixed after face leaching viscose glue water with O-ring seal.
Further preferred scheme is the present invention:The height of described annular outer wall is less than the height of annular inner wall.
Further preferred scheme is the present invention:Described O-ring seal includes being located at the transverse direction below annular connecting portion
Ring body and the avris ring body on the outside of annular outer wall, the upper surface of described horizontal ring body is in plane.
Further preferred scheme is the present invention:The inner of described horizontal ring body is provided with upward to prevent glue
The excessive annular barrier rib of water.
Alkaline button cell, including positive pole cup, negative pole top, O-ring seal, positive pole cake, barrier film and calamine cream, positive pole cup with
Negative pole is completely cut off between top by O-ring seal, is separated between positive pole cake and calamine cream by barrier film, and described negative pole top includes one
Body formed central area and the annular bending part of intermediate region periphery, described annular bending part include annular inner wall, ring
Annular connecting portion between shape outer wall and annular inner wall and annular outer wall, it is characterised in that the lower surface of described annular connecting portion
Plane in a ring, the width of described planar annular is 0.2mm-0.4mm, the lower surface leaching viscose glue water of described annular connecting portion
It is adhesively fixed afterwards with O-ring seal.
Further preferred scheme is the present invention:The height of described annular outer wall is less than the height of annular inner wall.
Further preferred scheme is the present invention:Described O-ring seal includes being located at the transverse direction below annular connecting portion
Ring body and the avris ring body on the outside of annular outer wall, the upper surface of described horizontal ring body is in plane, described horizontal ring body
Upper surface and the lower surface of annular connecting portion fixed by glue.
Further preferred scheme is the present invention:The inner of described horizontal ring body is provided with upward to prevent glue
The excessive annular barrier rib of water.
Compared with prior art, it is an advantage of the invention that the lower surface of the annular connecting portion on negative pole top plane, ring in a ring
The width of shape plane be 0.2mm-0.4mm, the lower end arc-shaped on negative pole top is designed to it is plane, when the lower surface on negative pole top
When soaking viscose glue water, the plane contact site can adhere to more glue, and the bond effect between negative pole top and sealing ring is more preferable,
More glue serve as the filler between negative pole top and sealing ring, with better seal effect;Simultaneously negative pole top lower end with it is close
Contact between seal is also changed into face contact from original point contact, and leak resistance is considerably improved.
Brief description of the drawings
The present invention is explained in further detail below with reference to accompanying drawing and preferred embodiment, but art technology
Personnel will be appreciated by, and these accompanying drawings are only in order at the purpose for explaining preferred embodiment and drawn, and therefore should not make
For limitation of the scope of the invention.In addition, unless otherwise indicated, accompanying drawing is only intended to the group for conceptually representing described object
Into or construct and may be shown comprising expansiveness, and accompanying drawing is also not necessarily drawn to scale.
Fig. 1 is the sectional view on the negative pole top of the present invention;
Fig. 2 is the negative pole top of the present invention and the cooperation sectional view of O-ring seal;
Fig. 3 is enlarged drawing at the A in Fig. 2;
Fig. 4 is the schematic diagram of the lower surface of the annular connecting portion on the negative pole top of the present invention;
Fig. 5 is the sectional view of the alkaline button cell of the present invention.
Embodiment
The preferred embodiments of the present invention are described in detail below with reference to accompanying drawing.What those of skill in the art will be appreciated by
It is that these descriptions are only descriptive, exemplary, and should not be interpreted as limiting protection scope of the present invention.
Alkaline button cell is widely used in electronic toy, bluetooth wireless product, electron key, digital product, electronic work
On the electrical appliances such as tool, audio and video equipment, electronic scale, radio, instrument and meter, computer main board, ear thermometer.
The operation principle of alkaline button cell:Using zinc as negative electrode active material, manganese dioxide is positive active material, with hydrogen
The aqueous solution of sodium oxide molybdena or potassium hydroxide is electrolyte.Negative pole zinc loses battery formation+divalent zinc ion, occurs oxidation reaction, two
Manganese oxide constantly absorbs electronics, and manganese is reduced to+trivalent from+4 valencys, occurs reduction reaction, and constantly absorbs Hydrogen Proton, is formed
Hydroxyl manganese oxide.
As shown in figure 5, alkaline button cell, including positive pole cup 1, negative pole top 2, O-ring seal 3, positive pole cake 4, barrier film 5
With calamine cream 6, positive pole cup 1 and negative pole top 2 between completely cut off by O-ring seal 3, between positive pole cake 4 and calamine cream 6 by barrier film 5 every
Open, negative pole top 2 is made up of stainless steel material, as shown in figures 1 and 3, negative pole top 2 include integrally formed central area 21 and
The annular bending part 22 of the periphery of intermediate region 21, annular bending part 22 is included in annular inner wall 221, annular outer wall 222 and annular
Annular connecting portion 223 between wall 221 and annular outer wall 222, the lower surface 224 of annular connecting portion 223 plane, the ring in a ring
The width L of shape plane be after 0.2mm or 0.3mm or 0.4mm, the leaching of the lower surface 224 viscose glue water 7 of annular connecting portion 223 with annular
Sealing ring 3 is adhesively fixed.Compared to traditional annular connecting portion 223 lower end be arc-shaped structure for, when the lower end on negative pole top 2
After face immersion glue, as shown in figure 4, due to the plane in a ring of lower surface 224, the planar annular can be stained with more glue, bear
More preferably, more glue serve as filling out between negative pole top 2 and O-ring seal 3 to bond effect between pole top 2 and O-ring seal 3
Thing is filled, with better seal effect;The contact between negative pole top lower end and O-ring seal is also contacted by original point simultaneously
It is changed into face contact, leak resistance is considerably improved.
As shown in figure 3, the height of annular outer wall 222 is less than the height of annular inner wall 221.It is easy to the follow-up of button cell to add
Work, after assembling is combined in negative pole combination with positive pole, bending processing, the upper edge of positive pole cup 1 and ring packing are carried out to positive pole cup 1
The upper edge of circle 3 inwardly bending simultaneously, button battery assembling is finished.
O-ring seal 3 includes being located at the horizontal ring body 31 of the annular lower section of connecting portion 223 and positioned at the outside of annular outer wall 222
Avris ring body 32, the upper surface 311 of horizontal ring body 31 is in plane.The upper surface 311 of horizontal ring body 31 and annular connecting portion 223
Lower surface 224 fixed by glue.Glue is concentrated mainly on the upper surface 311 of horizontal ring body 31 and annular connecting portion 223
Between lower surface 224, small part glue can flow to both, and preferably negative pole top 2 is bonded together with O-ring seal 3.
As shown in Fig. 2 the inner of horizontal ring body 31 is provided with the upward annular barrier rib to prevent glue from overflowing
33, it is to avoid excessive glue is entered in calamine cream, influence the electrical property of button cell.
The glue quantity about 2-3mg that the negative pole top of traditional button cell can adhere, the negative pole top of button cell of the present invention can glue
The glue quantity arrived improves the bondability of negative pole top and O-ring seal up to 5-6mg, improves the anti-leakage of button cell
Energy.
As shown in figures 1 and 3, negative pole is combined, including negative pole top 2 and O-ring seal 3, and negative pole top 2 is by stainless steel
It is made, negative pole top 2 includes the annular bending part 22 of integrally formed central area 21 and the periphery of intermediate region 21, annular bending
Portion 22 includes the annular connecting portion 223 between annular inner wall 221, annular outer wall 222 and annular inner wall 221 and annular outer wall 222,
The lower surface 224 of annular connecting portion 223 plane in a ring, the width of the planar annular 224 is 0.2mm-0.4mm, annular connection
It is adhesively fixed after the leaching viscose glue water of lower surface 224 7 in portion 223 with O-ring seal 3.
Detailed Jie has been carried out to button cell cathode top provided by the present invention, negative pole combination and alkaline button cell above
Continue, specific case used herein is set forth to the principle and embodiment of the present invention, the explanation of above example is only
It is to be used to help the reason present invention and core concept.It should be pointed out that for those skilled in the art, not taking off
On the premise of from the principle of the invention, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into this
In invention scope of the claims.
Claims (10)
1. button cell cathode top, it is made up of stainless steel, including outside integrally formed central area and intermediate region
The annular bending part enclosed, described annular bending part is including between annular inner wall, annular outer wall and annular inner wall and annular outer wall
Annular connecting portion, it is characterised in that the lower surface of described annular connecting portion plane in a ring, the width of described planar annular
Spend for 0.2mm-0.4mm.
2. button cell cathode top according to claim 1, it is characterised in that the height of described annular outer wall is less than ring
The height of shape inwall.
3. negative pole is combined, including negative pole top and O-ring seal, described negative pole top is made up of stainless steel, described negative pole
Top includes the annular bending part of integrally formed central area and intermediate region periphery, and described annular bending part includes annular
Annular connecting portion between inwall, annular outer wall and annular inner wall and annular outer wall, it is characterised in that described annular connecting portion
Lower surface plane in a ring, the width of described planar annular is 0.2mm-0.4mm, the lower surface of described annular connecting portion
It is adhesively fixed after leaching viscose glue water with O-ring seal.
4. negative pole combination according to claim 3, it is characterised in that the height of described annular outer wall is less than annular inner wall
Height.
5. negative pole combination according to claim 3, it is characterised in that described O-ring seal includes being located at annular connection
Horizontal ring body below portion and the avris ring body on the outside of annular outer wall, the upper surface of described horizontal ring body is in plane, institute
The upper surface for the horizontal ring body stated and the lower surface of annular connecting portion are fixed by glue.
6. negative pole combination according to claim 5, it is characterised in that the inner of described horizontal ring body is provided with prominent upwards
The annular barrier rib to prevent glue from overflowing risen.
7. alkaline button cell, including positive pole cup, negative pole top, O-ring seal, positive pole cake, barrier film and calamine cream, positive pole cup is with bearing
Pole is completely cut off between top by O-ring seal, is separated between positive pole cake and calamine cream by barrier film, and described negative pole top includes one
The central area of shaping and the annular bending part of intermediate region periphery, described annular bending part include annular inner wall, annular
Annular connecting portion between outer wall and annular inner wall and annular outer wall, it is characterised in that the lower surface of described annular connecting portion is in
Planar annular, the width of described planar annular is 0.2mm-0.4mm, and the lower surface of described annular connecting portion is soaked after viscose glue water
It is adhesively fixed with O-ring seal.
8. alkaline button cell according to claim 7, it is characterised in that the height of described annular outer wall is less than annular
The height of inwall.
9. alkaline button cell according to claim 7, it is characterised in that described O-ring seal includes being located at annular
Horizontal ring body below connecting portion and the avris ring body on the outside of annular outer wall, the upper surface of described horizontal ring body is in flat
Face.
10. alkaline button cell according to claim 9, it is characterised in that the inner of described horizontal ring body sets oriented
The annular barrier rib to prevent glue from overflowing of upper process.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710315553.XA CN106960946A (en) | 2017-05-08 | 2017-05-08 | Button cell cathode top and negative pole combination and alkaline button cell |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710315553.XA CN106960946A (en) | 2017-05-08 | 2017-05-08 | Button cell cathode top and negative pole combination and alkaline button cell |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106960946A true CN106960946A (en) | 2017-07-18 |
Family
ID=59482834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710315553.XA Withdrawn CN106960946A (en) | 2017-05-08 | 2017-05-08 | Button cell cathode top and negative pole combination and alkaline button cell |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106960946A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107658396A (en) * | 2017-10-31 | 2018-02-02 | 宁波必霸能源有限公司 | Sealing ring of alkaline button type battery and alkaline button cell |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57170456A (en) * | 1981-04-13 | 1982-10-20 | Matsushita Electric Ind Co Ltd | Manufacture of positive electrode for button type battery |
JPS63158738A (en) * | 1986-12-22 | 1988-07-01 | Matsushita Electric Ind Co Ltd | Enclosed cell |
DE4325628A1 (en) * | 1993-07-30 | 1995-02-09 | Emmerich Christoph Gmbh Co Kg | Galvanic button cell which is closed in a gas tight manner |
JP2001143670A (en) * | 1999-11-17 | 2001-05-25 | Toshiba Battery Co Ltd | Square-shaped air cell |
JP2004014291A (en) * | 2002-06-06 | 2004-01-15 | Toshiba Battery Co Ltd | Flat battery |
JP2004327427A (en) * | 2003-04-09 | 2004-11-18 | Sii Micro Parts Ltd | Coin type electrochemical cell and its sealing method |
CN201274299Y (en) * | 2008-09-10 | 2009-07-15 | 信湖新能源电子(深圳)有限公司 | Ultra-thin button type cell |
CN201307607Y (en) * | 2008-11-07 | 2009-09-09 | 佛山市南海新光电池材料有限公司 | Sealing ring of alkaline button type battery |
CN101783410A (en) * | 2009-01-19 | 2010-07-21 | 雷纳塔股份公司 | Galvanic element for high stresses |
-
2017
- 2017-05-08 CN CN201710315553.XA patent/CN106960946A/en not_active Withdrawn
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57170456A (en) * | 1981-04-13 | 1982-10-20 | Matsushita Electric Ind Co Ltd | Manufacture of positive electrode for button type battery |
JPS63158738A (en) * | 1986-12-22 | 1988-07-01 | Matsushita Electric Ind Co Ltd | Enclosed cell |
DE4325628A1 (en) * | 1993-07-30 | 1995-02-09 | Emmerich Christoph Gmbh Co Kg | Galvanic button cell which is closed in a gas tight manner |
JP2001143670A (en) * | 1999-11-17 | 2001-05-25 | Toshiba Battery Co Ltd | Square-shaped air cell |
JP2004014291A (en) * | 2002-06-06 | 2004-01-15 | Toshiba Battery Co Ltd | Flat battery |
JP2004327427A (en) * | 2003-04-09 | 2004-11-18 | Sii Micro Parts Ltd | Coin type electrochemical cell and its sealing method |
CN201274299Y (en) * | 2008-09-10 | 2009-07-15 | 信湖新能源电子(深圳)有限公司 | Ultra-thin button type cell |
CN201307607Y (en) * | 2008-11-07 | 2009-09-09 | 佛山市南海新光电池材料有限公司 | Sealing ring of alkaline button type battery |
CN101783410A (en) * | 2009-01-19 | 2010-07-21 | 雷纳塔股份公司 | Galvanic element for high stresses |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107658396A (en) * | 2017-10-31 | 2018-02-02 | 宁波必霸能源有限公司 | Sealing ring of alkaline button type battery and alkaline button cell |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203707230U (en) | Button cell anode and button cell | |
CN208955033U (en) | Secondary cell | |
CN106960946A (en) | Button cell cathode top and negative pole combination and alkaline button cell | |
CN201590436U (en) | Button cell and positive case thereof | |
CN206806435U (en) | Button cell cathode top and negative pole combination and alkaline button cell | |
CN209344226U (en) | A kind of modified CR2032 li-Mn button cell | |
CN209344147U (en) | A kind of cylindrical battery sealing ring for effectivelying prevent electrolyte to ooze out | |
CN2433734Y (en) | Explosion-proof sealing device for coiling lithium manganese bioxide cell | |
KR100962397B1 (en) | Battery cell and method for producing the same | |
CN104466046B (en) | A kind of lithium battery | |
CN201041812Y (en) | A battery cover board component and battery | |
CN204558566U (en) | A kind of energy storage device | |
US4064329A (en) | Cell sealing means | |
CN211828838U (en) | Novel button cell | |
CN211265537U (en) | Micro battery | |
CN209016107U (en) | A kind of battery containing soft pack cell | |
CN208189652U (en) | A kind of battery-end post sealing structure | |
CN204144374U (en) | A kind of battery post leak-proof device | |
JP2010073502A (en) | Sealing gasket for cylindrical battery and molding die for the same, and cylindrical alkaline battery | |
CN204497065U (en) | A kind of anti-leak ultracapacitor | |
CN214124004U (en) | Battery steel shell capable of preventing electrolyte leakage | |
CN209357834U (en) | A kind of enclosuring structure for alkaline Mn cell | |
CN211062745U (en) | Button cell | |
CN220544072U (en) | Button type leakage-proof lithium-manganese battery | |
CN213071224U (en) | Top cover |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170718 |