CN111933827A - Battery and manufacturing method thereof - Google Patents
Battery and manufacturing method thereof Download PDFInfo
- Publication number
- CN111933827A CN111933827A CN202010509959.3A CN202010509959A CN111933827A CN 111933827 A CN111933827 A CN 111933827A CN 202010509959 A CN202010509959 A CN 202010509959A CN 111933827 A CN111933827 A CN 111933827A
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- Prior art keywords
- bowl
- zinc
- diameter
- battery
- zinc cylinder
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 239000011701 zinc Substances 0.000 claims abstract description 82
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 82
- 238000001746 injection moulding Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 18
- 229920003023 plastic Polymers 0.000 claims abstract description 18
- 239000004033 plastic Substances 0.000 claims abstract description 18
- 238000002347 injection Methods 0.000 claims abstract 2
- 239000007924 injection Substances 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 20
- 229910052799 carbon Inorganic materials 0.000 claims description 19
- -1 polyethylene Polymers 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 13
- 239000004698 Polyethylene Substances 0.000 claims description 10
- 239000004743 Polypropylene Substances 0.000 claims description 10
- 229920000573 polyethylene Polymers 0.000 claims description 10
- 229920001155 polypropylene Polymers 0.000 claims description 10
- 239000004800 polyvinyl chloride Substances 0.000 claims description 10
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005056 compaction Methods 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 11
- 235000017491 Bambusa tulda Nutrition 0.000 claims 11
- 241001330002 Bambuseae Species 0.000 claims 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 11
- 239000011425 bamboo Substances 0.000 claims 11
- 238000012856 packing Methods 0.000 claims 2
- 239000002655 kraft paper Substances 0.000 abstract description 6
- 230000003749 cleanliness Effects 0.000 abstract description 4
- 239000000123 paper Substances 0.000 description 19
- 238000002360 preparation method Methods 0.000 description 5
- 238000004080 punching Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 2
- WJZHMLNIAZSFDO-UHFFFAOYSA-N manganese zinc Chemical compound [Mn].[Zn] WJZHMLNIAZSFDO-UHFFFAOYSA-N 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 235000012431 wafers Nutrition 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/04—Cells with aqueous electrolyte
- H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
- H01M6/08—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid with cup-shaped electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Primary Cells (AREA)
- Hybrid Cells (AREA)
Abstract
The invention provides a battery and a manufacturing method thereof, wherein the battery comprises a zinc cylinder serving as a negative electrode and provided with an opening at one end, an electric core serving as a positive electrode and arranged in the zinc cylinder, and a bottom bowl arranged at the bottom in the zinc cylinder and positioned on the lower surface of the electric core, wherein the bottom bowl with uniform thickness is formed by plastic injection, the diameter of an upper bowl opening of the bottom bowl is larger than the diameter of the inner wall of the zinc cylinder, the difference range between the diameter of the upper bowl opening of the bottom bowl and the diameter of the inner wall of the zinc cylinder is 0.05-0.50mm, the diameter of a lower bowl bottom of the bottom bowl is smaller than the diameter of the inner wall of the zinc cylinder, and the difference range between the diameter of the lower bowl bottom of the bottom bowl and the diameter of the inner wall of the zinc cylinder is 0.05-0.50mm. According to the invention, the plastic material capable of being subjected to injection molding is adopted to replace kraft paper used in advance, the bottom bowl with uniform thickness and high surface cleanliness is formed in an injection molding mode, and the leakage-proof performance is greatly improved.
Description
Technical Field
The invention belongs to the technical field of batteries, and particularly relates to a battery with a bottom bowl with uniform thickness. In addition, the invention also relates to a preparation method of the battery.
Background
The zinc-manganese battery has been developed for over 100 years, is characterized by convenient use and low price, and is the battery with the largest output and the most extensive use in primary batteries.
The zinc-manganese battery is generally composed of positive pole powder column, negative pole zinc cylinder, carbon rod, diaphragm and casing, and the diaphragm part is composed of pulp layer paper and bottom bowl.
The pulp layer paper is generally coated with a pulp layer by base paper, has the functions of isolating and conducting ions, is prepared by firstly preparing starch and other materials into paste, then uniformly coating the paste on the base paper by a machine, then dividing the paste into strips and blocks, and rolling the strips into a zinc cylinder so as to ensure that the strips are attached to the wall of the zinc cylinder;
after the pulp paper is put in, the bottom bowl is added from the upper part to be isolated from the bottom of the zinc cylinder.
In the prior art, the bottom bowl is made of kraft paper materials, firstly, kraft paper is divided into strips, then, the strips are placed on a machine, the strips are punched into round sheets, then, the round sheets are pressed into a bowl shape, then, the round sheets are pushed into a zinc cylinder and are conveyed to the bottom and are tightly attached to the bottom of the zinc cylinder, the edge of the bowl props open the pulp layer paper, the pulp layer paper and the pulp layer paper form a cylinder shape, and the effect of isolation is achieved.
In the process of making kraft paper into a bottom bowl and putting the bottom bowl into a zinc cylinder, a plurality of working procedures are needed, namely, firstly, splitting, then punching into round pieces, then pressing the round pieces into a bowl shape, and pushing the bowl shape into the zinc cylinder. The notch and the burr appear easily in the process of punching the disk, will press into the bowl with planar paper when pressing the disk into the bowl, it is inhomogeneous to appear the crease easily, if it is inhomogeneous to appear the crease, then the later process can appear leaking the phenomenon when adding anodal powder and electrolyte, and the security performance is low.
Because a plurality of processes are integrated together, the efficiency is low, the speed of the processes can not be matched with that of the previous and next processes, the rapid automatic production can not be realized, and the production efficiency is seriously influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a battery and a manufacturing method thereof, wherein plastic materials capable of being subjected to injection molding are adopted to replace kraft paper used in the prior art, a bottom bowl with uniform thickness and high surface cleanliness is formed in an injection molding mode, and the leakage-proof performance is greatly improved.
In order to achieve the above object, in one aspect, the present invention provides a battery, which includes a zinc can serving as a negative electrode and having an opening at one end, an electrical core serving as a positive electrode and disposed inside the zinc can, and a bottom bowl disposed at the bottom inside the zinc can and located on the lower surface of the electrical core, wherein the bottom bowl is formed by injection molding of a plastic material and has a uniform thickness, the diameter of an upper bowl opening of the bottom bowl is greater than the diameter of the inner wall of the zinc can, the difference between the diameter of the upper bowl opening of the bottom bowl and the diameter of the inner wall of the zinc can is 0.05-0.50mm, the diameter of a lower bowl bottom of the bottom bowl is smaller than the diameter of the inner wall of the zinc can, and the difference between the diameter of the lower bowl bottom of the bottom bowl and the diameter of the inner wall of the zinc can is 0.05-0.50mm.
According to the technical scheme, the bottom bowls formed by plastic injection molding can be rapidly and automatically produced in batches, the bottom bowls obtained by injection molding have the advantages of being uniform in thickness and high in surface cleanliness, the previous processes of slitting, wafer punching, bowl pressing and the like are simplified, efficiency is improved, and cost is saved.
According to another embodiment of the invention, the difference between the diameter of the upper bowl opening of the bottom bowl and the diameter of the inner wall of the zinc cylinder is 0.20-0.30mm, and the difference between the diameter of the lower bowl bottom of the bottom bowl and the diameter of the inner wall of the zinc cylinder is 0.20-0.30mm.
According to another specific embodiment of the invention, the height of the bottom bowl is 1-5mm, the thickness of the bottom bowl is 0.05-1mm, and the connecting part of the bottom edge of the bottom bowl and the bowl edge is provided with an arc angle, and the size of the arc angle is 0.5-5.0mm.
Preferably, the height of the bottom bowl is 2-3mm, the thickness of the bottom bowl is 0.2-0.4mm, and the size of the arc angle is 0.5-1.5mm.
According to another embodiment of the present invention, the plastic material for injection molding the bottom bowl comprises at least one of polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP) and polyethylene terephthalate resin type B (PET).
In another aspect, the invention provides a battery, which includes a zinc cylinder as a negative electrode and having an opening at one end, a battery core as a positive electrode disposed in the zinc cylinder, a rubber plug disposed on an upper surface of the battery core, a carbon rod penetrating through the rubber plug and partially inserted into the battery core, a top cap disposed on an upper portion of the rubber plug and the carbon rod, a top washer disposed on a top edge of the top cap, a bottom bowl disposed on an inner bottom of the zinc cylinder and disposed on a lower surface of the battery core, a bottom cap disposed below the zinc cylinder, and a bottom washer disposed on a lower side edge of the bottom cap, wherein the bottom bowl is formed by injection molding of a plastic material and has a uniform thickness.
In another aspect, the present invention provides a method for manufacturing a battery, wherein a plastic material is used to form a bottom bowl with a uniform thickness by injection molding.
According to another embodiment of the invention, the method comprises the following steps:
A. fixing the zinc cylinder with an opening at one end facing upwards, and filling pulp paper on the inner wall side of the zinc cylinder;
B. the injection molding bottom bowl is directionally and quantitatively conveyed to a bottom bowl machine in a vibration disc mode, the bottom bowl machine inserts the bottom bowl from an upper opening of the zinc cylinder to the bottom of the zinc cylinder through mechanical action, and the bottom bowl is used for opening pulp paper;
C. filling a battery cell into the zinc cylinder;
D. placing a powder pressing paper ring on the upper surface of the battery cell, vertically inserting part of the carbon rod into the battery cell, and pressurizing the surface of the powder pressing paper ring to enable the battery cell to be tightly attached to the pulp paper and the bottom bowl;
E. coating a sealant on the top of the carbon rod and the opening part of the zinc cylinder, inserting the rubber plug body and carrying out compression treatment;
F. sleeving a polyvinyl chloride sleeve on the outer side surface of the zinc cylinder, wherein the polyvinyl chloride sleeve covers the zinc cylinder and the rubber plug body simultaneously;
E. placing a bottom cap and a bottom gasket at the bottom of the zinc cylinder, and shrinking in a thermal shrinkage mode;
G. pressing a top cap into the top of the carbon rod, and placing a top gasket on the surface of the top cap;
H. and sheathing an iron shell, and sealing by a sealing machine to form a complete battery.
According to another embodiment of the present invention, the cell comprises 40 to 50% by weight of manganese dioxide, 10 to 20% by weight of carbon, and 25 to 35% by weight of water, and has a weight of 45 to 65g.
The invention has the following beneficial effects:
the bottom bowl in the battery is obtained by adopting an injection molding mode, and the bottom bowl obtained by the injection molding mode has the advantages of uniform thickness and high surface cleanliness, so that the leakage-proof performance of the battery is improved.
The invention adopts an injection molding mode to realize rapid automatic batch production, greatly improves the efficiency compared with the traditional processes of slitting, punching wafers, pressing bowls and the like, can be matched with the speed of the front and the back processes, greatly accelerates the whole battery preparation process, simplifies equipment and saves cost.
Drawings
FIG. 1 is a schematic view of the structure of a battery of the present invention;
fig. 2 is a schematic longitudinal cross-section of the bottom bowl of the present invention.
Detailed Description
A specific embodiment of a battery and a method for manufacturing the same according to the present invention will now be described with reference to the accompanying drawings.
As shown in fig. 1, the battery of the present invention includes a zinc can 1 as a negative electrode and having an open end, a battery cell 2 as a positive electrode disposed inside the zinc can 1, a bottom bowl 3 disposed at the bottom of the zinc can 1 and located at the lower surface of the battery cell 2, a bottom cap 4 located below the zinc can 1, a bottom gasket 5 located at the lower edge of the bottom cap 4, a plug body 6 disposed at the upper surface of the battery cell 2, a carbon rod 7 passing through the plug body 6 and partially inserted into the battery cell 2, a top cap 8 located above the plug body 6 and the carbon rod 7, and a top gasket 9 located at the top edge of the top cap 8.
Wherein, the bottom bowl 3 in the invention is prepared in the following way:
according to the design requirement size of the bottom bowl 3, a bowl shape is formed, for example, an R20 battery is taken, the diameter of the inner wall of the zinc cylinder 1 is 30mm, the bottom bowl 3 shown in figure 2 is formed by injection molding of Polyethylene (PE) materials or polypropylene (PP) materials, the diameter L1 of the upper bowl opening of the bottom bowl 3 is 30.2mm, the diameter L2 of the bottom bowl bottom of the lower part of the bottom bowl 3 is 29.8mm, the height H of the bottom bowl 3 is 2.8mm, the thickness L3 of the bottom bowl 3 is 0.3mm, an arc angle R is arranged at the joint of the bottom edge of the bottom bowl 3 and the bowl edge, and the size of the arc angle R is 1mm.
Namely, the diameter of the upper bowl opening of the bottom bowl 3 is larger than that of the inner wall of the zinc cylinder 1, and the diameter of the lower bowl bottom of the bottom bowl 3 is smaller than that of the inner wall of the zinc cylinder 1, so that the bottom bowl 3 can be inserted into the bottom of the zinc cylinder 1 through the upper opening of the zinc cylinder 1, and the pulp paper 10 on the inner wall side of the zinc cylinder 1 is spread through the bottom bowl 3;
wherein, the outer surface of the zinc cylinder 1 is also sleeved with a polyvinyl chloride sleeve 11, the polyvinyl chloride sleeve 11 simultaneously coats the zinc cylinder 1 and the rubber plug body 6, and the outer surface of the zinc cylinder 1 is also provided with a leakage-proof film 12.
Referring to fig. 1, a method for manufacturing a battery according to the present invention is described, which includes the steps of:
a0, forming a bottom bowl with uniform thickness as shown in figure 2 by adopting a Polyethylene (PE) material or a polypropylene (PP) material in an injection molding mode;
A. fixing the zinc cylinder with an opening at one end upwards, cutting pulp paper into strips, mounting the strips on a pulp machine, cutting the strips into sections according to requirements, and inserting the strips into the inner wall side of the zinc cylinder through the machine;
B. the injection molding bottom bowl is directionally and quantitatively conveyed to a bottom bowl machine in a vibration disc mode, the bottom bowl machine inserts the bottom bowl from an upper opening of the zinc cylinder to the bottom of the zinc cylinder through mechanical action, and the bottom bowl is used for opening pulp paper;
C. the zinc cylinder is charged with a cell (carbon powder column) comprising, by weight, 40 to 50% manganese dioxide, 10 to 20% carbon and 25 to 35% water, and having a weight of 45 to 65g.
D. Placing a powder pressing paper ring 13 on the upper surface of the battery cell, vertically inserting part of the carbon rod into the battery cell, and pressurizing the surface of the powder pressing paper ring 13 to enable the battery cell to be tightly attached to the pulp paper and the bottom bowl;
E. coating a proper amount of asphalt or epoxy resin sealant on the top of the carbon rod and the opening part of the zinc cylinder, inserting the rubber plug body and performing compaction treatment;
F. firstly, sticking a leakage-proof film on the outer surface of the zinc cylinder, and then sleeving a polyvinyl chloride sleeve on the zinc cylinder, wherein the polyvinyl chloride sleeve simultaneously coats the zinc cylinder and the rubber plug body;
E. putting a bottom cap and a bottom gasket at the bottom of the zinc cylinder, and shrinking through a heat shrinkage furnace;
G. pressing a top cap on the top of the carbon rod, and placing a top gasket on the surface of the top cap;
H. the iron shell 14 is sleeved on the battery and sealed into a complete R20 battery by a sealing machine.
The battery prepared by the invention has the advantages of high assembly efficiency and good leakage-proof performance, the following tests are respectively carried out by taking the battery containing the bottom bowl made of Polyethylene (PE) as a first experimental group, taking a second battery experimental group containing the bottom bowl made of polypropylene (PP) as a second experimental group and taking the battery supporting the bottom bowl in a traditional kraft paper mode as a comparison group, the test parameters comprise assembly speed, initial no-load voltage, no-load voltage after being stored for 30 days and cost, and the detailed test results are as follows:
it is thus clear that, adopt the plastic material through the bottom bowl of the mode preparation of moulding plastics, can promote the preparation efficiency of bottom bowl greatly to the production speed of process around the matching really realizes automated production, simultaneously, the battery that adopts to contain the plastic material and make bottom bowl through the mode of moulding plastics has more outstanding storage performance, voltage drop still less, in addition reduced the cost of production by a wide margin, effectively banned the branch strip process of bowl at the bottom of traditional preparation, towards disk process, press into the bowl process.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that variations may be made without departing from the scope of the invention, and equivalents may be resorted to without departing from the scope of the invention.
Claims (8)
1. The utility model provides a battery, include as negative pole and one end open-ended zinc section of thick bamboo, set up in inside as anodal electric core of zinc section of thick bamboo and set up in bottom and lieing in the zinc section of thick bamboo the end bowl of electric core lower surface, its characterized in that adopts the plastic material to mould plastics and forms thickness homogeneous end bowl, the upper portion bowl mouth diameter of end bowl is greater than the diameter of zinc section of thick bamboo inner wall, just the upper portion bowl mouth diameter of end bowl with the difference range between the diameter of zinc section of thick bamboo inner wall is 0.05-0.50mm, the diameter is less than at the bottom of the lower part bowl of end bowl the diameter of zinc section of thick bamboo inner wall, just the diameter at the bottom of the lower part bowl of end bowl with the difference range between the diameter of zinc section of thick bamboo inner wall is 0.05-0.50mm.
2. The battery of claim 1, wherein the difference between the diameter of the upper bowl opening of the bottom bowl and the diameter of the inner wall of the zinc can is in the range of 0.20-0.30mm, and the difference between the diameter of the lower bowl bottom of the bottom bowl and the diameter of the inner wall of the zinc can is in the range of 0.20-0.30mm.
3. The battery of claim 1, wherein the bottom bowl has a height of 1-5mm, the bottom bowl has a thickness of 0.05-1mm, and a circular arc angle is provided at a joint of a bottom edge of the bottom bowl and a bowl edge, and the circular arc angle has a size of 0.5-5.0mm.
4. The battery of claim 1, wherein the plastic material that is injection molded to form the bottom bowl comprises at least one of polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), and polyethylene terephthalate resin type B (PET).
5. The utility model provides a battery, its characterized in that, including as negative pole and one end open-ended zinc section of thick bamboo, set up in the inside anodal electric core as of zinc section of thick bamboo, set up in the rubber plug body of electric core upper surface, pass rubber plug body and part insert the carbon rod of electric core, be located the rubber plug body with the hood on carbon rod upper portion, be located the top packing ring of hood top edge, be located bottom in the zinc section of thick bamboo is located the end bowl of electric core lower surface, be located the end cap of zinc section of thick bamboo below and be located the end packing ring of end cap downside edge, wherein, adopt the plastic material to mould plastics and form thickness homogeneous end bowl.
6. A method for manufacturing a battery is characterized in that a plastic material is adopted to form a bottom bowl with uniform thickness in an injection molding mode.
7. The method of claim 6, comprising the steps of:
A. fixing the zinc cylinder with an opening at one end facing upwards, and filling pulp paper on the inner wall side of the zinc cylinder;
B. the injection molding bottom bowl is directionally and quantitatively conveyed to a bottom bowl machine in a vibration disc mode, the bottom bowl machine inserts the bottom bowl from an upper opening of the zinc cylinder to the bottom of the zinc cylinder through mechanical action, and the bottom bowl is used for opening pulp paper;
C. filling a battery cell into the zinc cylinder;
D. placing a powder pressing paper ring on the upper surface of the electric core, vertically inserting part of carbon rods into the electric core, and pressurizing the surface of the powder pressing paper ring to ensure that the electric core is tightly attached to the pulp paper and the bottom bowl;
E. coating a sealant on the top of the carbon rod and the opening part of the zinc cylinder, inserting a rubber plug body and carrying out compaction treatment;
F. sleeving a polyvinyl chloride sleeve on the outer side surface of the zinc cylinder, wherein the polyvinyl chloride sleeve covers the zinc cylinder and the rubber plug body simultaneously;
E. placing a bottom cap and a bottom gasket at the bottom of the zinc cylinder, and shrinking in a thermal shrinkage mode;
G. pressing a top cap on the top of the carbon rod, and placing a top gasket on the surface of the top cap;
H. and sleeving an iron shell, and sealing by a sealing machine to form a complete battery.
8. The method of claim 7, wherein the cell comprises 40-50% manganese dioxide, 10-20% carbon, and 25-35% water by weight, and has a weight of 45-65 g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010509959.3A CN111933827A (en) | 2020-06-05 | 2020-06-05 | Battery and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010509959.3A CN111933827A (en) | 2020-06-05 | 2020-06-05 | Battery and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111933827A true CN111933827A (en) | 2020-11-13 |
Family
ID=73317112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010509959.3A Pending CN111933827A (en) | 2020-06-05 | 2020-06-05 | Battery and manufacturing method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN111933827A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2358537A1 (en) * | 1972-11-22 | 1974-05-30 | Tudor Ab | LEAK PROOF DRY BATTERY CELL |
| CN201146215Y (en) * | 2008-01-31 | 2008-11-05 | 广州新科达新量电池有限公司 | Zinc-manganese dry cell leaving out zinc bottom |
| CN101375440A (en) * | 2006-12-05 | 2009-02-25 | 松下电器产业株式会社 | Manganese dry cell |
| CN202159740U (en) * | 2011-07-13 | 2012-03-07 | 东莞市天球实业有限公司 | Improved cylindrical battery |
| CN203166009U (en) * | 2013-02-02 | 2013-08-28 | 冯伟 | Zinc-manganese dry battery |
| CN106099130A (en) * | 2016-08-19 | 2016-11-09 | 宁波丰银电池有限公司 | Zinc-manganese battery |
| CN109494382A (en) * | 2018-12-10 | 2019-03-19 | 杭州长命电池有限公司 | Mercury-free high-power zinc-manganese battery, electric core powder, zinc cylinder and mercury-free pulp laminated paper thereof |
| CN209389075U (en) * | 2018-12-14 | 2019-09-13 | 东莞市天球实业有限公司 | A kind of cylindrical battery |
-
2020
- 2020-06-05 CN CN202010509959.3A patent/CN111933827A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2358537A1 (en) * | 1972-11-22 | 1974-05-30 | Tudor Ab | LEAK PROOF DRY BATTERY CELL |
| CN101375440A (en) * | 2006-12-05 | 2009-02-25 | 松下电器产业株式会社 | Manganese dry cell |
| CN201146215Y (en) * | 2008-01-31 | 2008-11-05 | 广州新科达新量电池有限公司 | Zinc-manganese dry cell leaving out zinc bottom |
| CN202159740U (en) * | 2011-07-13 | 2012-03-07 | 东莞市天球实业有限公司 | Improved cylindrical battery |
| CN203166009U (en) * | 2013-02-02 | 2013-08-28 | 冯伟 | Zinc-manganese dry battery |
| CN106099130A (en) * | 2016-08-19 | 2016-11-09 | 宁波丰银电池有限公司 | Zinc-manganese battery |
| CN109494382A (en) * | 2018-12-10 | 2019-03-19 | 杭州长命电池有限公司 | Mercury-free high-power zinc-manganese battery, electric core powder, zinc cylinder and mercury-free pulp laminated paper thereof |
| CN209389075U (en) * | 2018-12-14 | 2019-09-13 | 东莞市天球实业有限公司 | A kind of cylindrical battery |
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Application publication date: 20201113 |