CN112421066B - Environment-friendly alkaline battery production process - Google Patents
Environment-friendly alkaline battery production process Download PDFInfo
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- CN112421066B CN112421066B CN202011293228.6A CN202011293228A CN112421066B CN 112421066 B CN112421066 B CN 112421066B CN 202011293228 A CN202011293228 A CN 202011293228A CN 112421066 B CN112421066 B CN 112421066B
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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
- 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
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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
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/005—Devices for making primary cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The application relates to an environment-friendly alkaline battery production process, which comprises the following steps: an annular positive electrode end clamping groove is formed in the inner wall, close to the positive electrode end, of the battery shell, and an annular negative electrode end clamping groove is formed in the inner wall, close to the negative electrode end, of the battery shell; pressing an annular elastic spacer on the positive end cover, coating glue on one end of the positive end cover, and then loading the glue on the positive end of the battery shell from the negative end of the battery shell; the other end of the elastic spacer is clamped into the clamping groove at the positive electrode end; the positive electrode ring is pressed in, the diaphragm cylinder and zinc paste are filled into a battery shell; the negative electrode current collector is inserted into the zinc paste, meanwhile, the negative electrode end cover is pressed into the negative electrode end of the battery shell, and sealing glue is coated between the battery shell and the negative electrode end cover. The battery prepared by the process has good tightness, is not easy to leak, and improves the environmental protection.
Description
Technical Field
The application relates to the technical field of alkaline batteries, in particular to an environment-friendly alkaline battery production process.
Background
Alkaline batteries are also called alkaline dry batteries, alkaline zinc-manganese batteries and alkaline-manganese batteries, and are the varieties with optimal performance in zinc-manganese battery series. Is suitable for long-time use with large discharge. The internal resistance of the battery is lower, so that the generated current is larger than that of a common carbon battery, and the battery does not contain mercury, so that the battery can be treated along with household garbage without intentional recovery.
The Chinese patent of the prior art publication No. CN101483253B discloses a high-stability high-current alkaline battery which comprises a battery shell, a positive electrode ring, zinc paste and diaphragm paper: the battery shell is a nickel-coated steel shell with one end closed, and is used as a container of the battery and also used as an anode of the battery; the positive electrode ring is a tubular ring body prepared by dispersing and stirring a binary nickel-manganese oxide mixture modified by a chemical precipitation method, a conductive agent, an adhesive and electrolyte, and then tabletting, granulating and ring-forming; the diaphragm paper is inserted in the middle of the positive electrode ring to isolate the positive electrode and the negative electrode of the battery; and adding zinc paste into the diaphragm paper, wherein the zinc paste is used as a battery negative electrode, a sealing ring of the battery mainly comprising zinc alloy powder, sodium polyacrylate and electrolyte is combined with a negative electrode cover to prepare a battery negative electrode cap, the battery negative electrode cap is welded with indium-plated copper nails serving as a negative electrode current collector, the battery negative electrode cap is inserted into the negative electrode zinc paste, and finally the battery is sealed and molded.
In view of the above, the inventors believe that when the battery is pressed by a foreign object, the battery case is likely to deform and fracture, and the fracture site is likely to occur at the contact position between the cylindrical case and the positive electrode end and the negative electrode end, and that after the battery case is broken, the electrolyte in the battery is likely to leak out, thereby causing damage to the environment.
Disclosure of Invention
In order to alleviate the problem that electrolyte is easy to leak when the battery is extruded, the application provides an environment-friendly alkaline battery production process.
The application provides an environment-friendly alkaline battery production process, which adopts the following technical scheme:
an environment-friendly alkaline battery production process comprises the following steps:
a. preparing a battery shell, namely preparing a cylindrical battery shell, wherein an annular positive electrode end clamping groove is formed in the inner wall, close to the positive electrode end, of the battery shell, and an annular negative electrode end clamping groove is formed in the inner wall, close to the negative electrode end, of the battery shell;
b. preparing an anode end cover, pressing an annular first elastic spacer on the anode end cover, wherein one end of the elastic spacer is connected with the anode end cover;
c. after glue is coated on one end of the positive end cover, the positive end cover is arranged on the positive end of the battery shell from the negative end of the battery shell, and the positive end cover is pressed with an upper clamping ring of the positive end of the battery shell through a first pressing die;
d. the first pressing die is withdrawn, the second pressing die enters the battery shell, the first elastic spacer is extruded, and the other end of the first elastic spacer is clamped into the positive electrode end clamping groove;
e. pressing the positive electrode ring into the battery shell, and loading a diaphragm cylinder in the middle of the positive electrode ring;
f. electrolyte is injected into the diaphragm cylinder, and zinc paste is injected into the diaphragm cylinder after the electrolyte is absorbed by the diaphragm cylinder;
g. preparing a negative electrode end cover, pressing an annular second elastic spacer on the negative electrode end cover, connecting one end of the second elastic spacer with the negative electrode end cover, and integrating a negative electrode current collector on the negative electrode end cover;
h. the negative electrode current collector is inserted into the zinc paste, meanwhile, the negative electrode end cover is pressed into the negative electrode end of the battery shell, and sealing glue is coated between the battery shell and the negative electrode end cover.
Through above-mentioned technical scheme, through when installing the anodal end cover in the battery case, adopt the elastic spacer to be connected anodal end cover and the inside anodal end draw-in groove of battery case, receive under the great pressure effect such as extrusion when the battery case, the anodal end cover of casing produces to break away from, through the self-adaptation of elastic spacer's extension, prevents that the leak from producing, can prevent that electrolyte in the casing from leaking from casing and anodal end cover junction, improves the environmental protection performance of battery.
Optionally, in the step h, when the negative electrode end cover is pressed into the negative electrode end of the battery case, one end of the second elastic spacer is clamped into the negative electrode end clamping groove on the inner wall of the battery case.
Through above-mentioned technical scheme, through being connected the elastic spacer that connects on the negative pole end cover with the interior negative pole end draw-in groove of battery case, guaranteed like this that the connection is firm between negative pole end cover and the battery case, can prevent that the electrolyte in the casing from leaking from casing and negative pole end cover junction, improve the environmental protection performance of battery.
Optionally, the positive electrode ring comprises the following components: 83-90 parts of manganese dioxide, 1.5-5 parts of barium sulfate, 6-9 parts of anode conductive material, 0.3-0.5 part of additive and 0.2-0.3 part of binder, wherein the binder is prepared by compounding zinc stearate and HA1681 according to the mass ratio of 1:4-4, and the additive is prepared from the following raw materials in parts by weight: 2-8 parts of yttrium oxide, 2-12 parts of yttrium hydroxide, 0.3-0.8 part of polynitrile compound, 1.2-1.8 parts of lithium dioxalate borate and 0.2-0.8 part of potassium bromide.
By adopting the technical scheme, the positive electrode ring adopts the components, so that the internal resistance of the battery can be effectively reduced, the utilization rate of active substances is improved, the consumption of positive electrode conductive materials can be reduced, the content of the active substances of the battery is improved, and the discharge capacity and the comprehensive performance of the battery are improved.
Optionally, the positive electrode ring is prepared by: manganese dioxide and barium sulfate are uniformly mixed, ball-milled in a ball mill, then mixed with an anode conductive material and an adhesive, stirred after being uniformly mixed, and finally rolled and granulated to prepare the anode ring.
Through the technical scheme, the preparation of the anode ring is carried out through the processes of ball milling, uniform mixing, stirring, tabletting, granulating and the like, and the preparation method is simple and high in efficiency.
Optionally, the electrolyte comprises a potassium hydroxide solution with the concentration of 35-40 wt%.
Through the technical scheme, the potassium hydroxide solution with the concentration of 35-40 wt% is used as the electrolyte, so that the service life of the battery is prolonged, and the economical efficiency is improved.
Optionally, the zinc paste comprises the following raw materials in parts by weight: 50-55 parts of metal zinc alloy powder, 2-3 parts of zinc oxide, 0.02-0.05 part of indium oxide and 20-45 parts of potassium hydroxide solution with the concentration of 35-45 wt%.
Through the technical scheme, the zinc paste prepared by the following components greatly improves the discharge capacity, effectively prolongs the service life, and is lead-free and mercury-free and more environment-friendly.
Optionally, the zinc paste is prepared by the following steps: heating potassium hydroxide solution to 60-70 deg.c, adding metal zinc alloy powder and zinc oxide, stirring and mixing to obtain the final product.
By adopting the technical scheme, the preparation method of the zinc paste improves the preparation efficiency of the zinc paste, thereby improving the economy.
Optionally, the battery case is prepared by:
the method comprises the steps of firstly, stretching a round battery plate, and forming the battery plate to a first blank with a preset inner diameter and a preset height;
step two, flaring is carried out by adopting a flaring die, and the inner diameters of the upper section and the lower section of the first blank body are flared to form a second blank body with large inner diameters of the upper section and the lower section and small inner diameter of the middle section;
thirdly, extruding the upper section and the lower section of the second blank body towards the middle section to obtain a third blank body;
step four, flaring the middle section of the third blank, and expanding the inner diameter of the middle section to be the same as the inner diameters of the upper section and the lower section to obtain a fourth blank;
fifthly, shaping a lug formed at the joint of the middle section and the upper section of the inner wall of the fourth blank, and extruding the lug towards the inner wall of the upper section to form a positive end clamping groove; shaping a lug formed at the joint of the middle section of the inner wall and the lower section of the fourth blank, and extruding the lug towards the inner wall of the lower section to form a negative end clamping groove;
sixth, stamping the upper section of the shaped fourth blank, and forming an upper clamping ring at the uppermost end of the upper section; stamping the lower section of the shaped fourth blank body, and forming a lower clamping ring at the bottommost end of the lower section.
Through above-mentioned technical scheme, through carrying out steps such as tensile, flaring, extrusion to circular shape panel and forming the battery case for inside part integrated into one piece that is close to the positive terminal and the negative terminal of battery case has positive draw-in groove and negative pole draw-in groove, has guaranteed the leakproofness of whole battery case simultaneously, thereby has guaranteed battery leakproofness, has avoided revealing of battery, thereby has improved the feature of environmental protection.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the application, when the positive end cover is arranged in the battery shell, the positive end cover is connected with the positive end clamping groove in the battery shell by adopting the elastic spacer, and when the battery shell is subjected to the action of large pressure such as extrusion, the positive end cover of the shell is separated, the leak is prevented by self-adaptive elongation of the elastic spacer, the electrolyte in the shell can be prevented from leaking from the joint of the shell and the positive end cover, and the environmental protection performance of the battery is improved. Through being connected the elastic spacer that connects on the negative pole end cover with the interior negative pole end draw-in groove of battery housing, guaranteed like this that the connection is firm between negative pole end cover and the battery housing, can prevent that the electrolyte in the casing from leaking from casing and negative pole end cover junction, improve the environmental protection performance of battery.
2. The battery shell is formed by stretching, flaring, extruding and other steps on the round plate, so that the positive electrode clamping groove and the negative electrode clamping groove are integrally formed in the battery shell near the positive electrode end and the negative electrode end, and meanwhile, the tightness of the whole battery shell is guaranteed, the tightness of the battery is guaranteed, the leakage of the battery is avoided, and the environmental protection is improved.
Drawings
Fig. 1 is a schematic structural view of a first blank according to an embodiment of the application.
Fig. 2 is a schematic structural view of a second blank according to an embodiment of the application.
Fig. 3 is a schematic structural view of a third blank according to an embodiment of the application.
Fig. 4 is a schematic structural view of a fourth blank according to an embodiment of the application.
Fig. 5 is a schematic structural view of a battery case according to an embodiment of the present application.
Fig. 6 is a schematic structural view of an alkaline cell prepared according to the present application.
Fig. 7 is an enlarged view of the portion a of fig. 6 according to the present application.
Fig. 8 is an enlarged view of section B of fig. 6 in accordance with the present application.
Reference numerals illustrate, 1, battery case; 2. a positive electrode end cap; 3. a first elastic spacer; 4. a positive electrode ring; 5. a diaphragm cylinder; 6. a negative end cap; 7. a second elastic spacer; 8. a negative electrode current collector; 9. zinc paste; 101. a clamping ring is arranged; 102. a lower snap ring; 103. an upper section; 104. middle section, 105, lower section; 106. a positive electrode end clamping groove; 107. a negative end clamping groove; 201. an annular mounting groove; 202. pressing into blocks; 601. a mounting groove; 602. and pressing the block.
Detailed Description
The application is described in further detail below with reference to fig. 1-8.
The embodiment of the application discloses an environment-friendly alkaline battery production process, which comprises the following steps:
step 1: the battery case 1 is prepared, specifically, by the steps of;
step 101, stretching a round battery plate, and forming the battery plate to a first blank with a preset inner diameter and a preset height, as shown in fig. 1;
102, flaring is carried out by adopting a flaring die, and the inner diameters of an upper section 103 and a lower section 105 of the first blank body are flared to form a second blank body with a large inner diameter of the upper section 103 and the lower section 105 and a small inner diameter of a middle section 104, as shown in fig. 2;
step 103, extruding the upper section 103 and the lower section 105 of the second blank body towards the direction of the middle section 104 to obtain a third blank body, as shown in fig. 3;
104, flaring the middle section 104 of the third blank, and flaring the inner diameter of the middle section 104 to be the same as the inner diameters of the upper section 103 and the lower section 105 to obtain a fourth blank;
step 105, shaping a bump formed at the joint of the middle section 104 and the upper section 103 of the inner wall of the fourth blank, and extruding the bump towards the inner wall of the upper section 104 to form a positive end clamping groove 106; shaping a lug formed at the joint of the middle section 104 and the lower section 105 of the inner wall of the fourth blank, and extruding the lug towards the inner wall of the lower section 105 to form a negative end clamping groove 107, as shown in fig. 4;
step 106, stamping the upper section 103 of the shaped fourth blank, and forming an upper clamping ring 101 at the uppermost end of the upper section 103; the lower section 105 of the shaped fourth blank is punched, and a lower snap ring 102 is formed at the lowermost end of the lower section 105, as shown in fig. 5, thus completing the preparation of the battery case 1.
Step 2: the positive electrode end cover 2 is prepared, referring to fig. 6 and 7, a circular positive electrode end cover 2 is prepared by punching, an annular mounting groove 201 is formed on the circular positive electrode end cover 2 at a position close to the edge by punching, an annular first elastic spacer 3 is pressed on the positive electrode end cover 2, one end of the first elastic spacer 3 is pressed into the annular mounting groove 201 on the positive electrode end cover 2 through an upper pressing block 202, and the first elastic spacer is fixed in the annular mounting groove 201 through glue, and the outer diameter of the other end of the first elastic spacer 3 is larger than the outer diameter of the positive electrode end cover 2.
Step 3: referring to fig. 6 and 7, after glue is applied to one end of the positive electrode end cap 2, the positive electrode end cap 2 is mounted on the positive electrode end of the battery case 1 from the negative electrode end of the battery case 1, and the positive electrode end cap 2 is pressed against the upper snap ring 101 of the positive electrode end of the battery case 1 by the first pressing die, the diameter of the first pressing die is smaller and smaller than the inner diameter of the annular mounting groove 201 on the positive electrode end cap 2, so that the first pressing die does not touch the first elastic spacer 3, and the positive electrode end cap 2 is fixed on the battery case 1.
Step 4: referring to fig. 6 and 7, the first stamper is withdrawn while the second stamper is introduced into the battery case 1, and the diameter of the second stamper is larger than the outer diameter of the annular mounting groove 201, so that the second stamper directly acts on the first elastic separator 3 to press the first elastic separator 3, and the other end of the first elastic separator 3 is caught in the positive end catching groove 106, thus completing the mounting of the positive end cap 2.
Step 5: the positive electrode ring 4 is pressed into the battery case 1, and a separator tube 5 is installed in the middle of the positive electrode ring 4, and referring to fig. 6, the specific steps are as follows:
step 501, mixing 83-90 parts of manganese dioxide and 1.5-5 parts of barium sulfate uniformly, and ball milling in a ball mill;
step 502, mixing the ball-milled material with 6-9 parts of positive electrode conductive material, 0.3-0.5 part of additive and 0.2-0.3 part of binder, uniformly mixing, stirring to obtain positive electrode mixed powder, wherein in the embodiment, the positive electrode conductive material adopts graphite, the binder is compounded by zinc stearate and HA1681 according to the mass ratio of 1:4-4, and the additive consists of the following raw materials in parts by weight: 2-8 parts of yttrium oxide, 2-12 parts of yttrium hydroxide, 0.3-0.8 part of polynitrile compound, 1.2-1.8 parts of lithium dioxalate borate and 0.2-0.8 part of potassium bromide;
step 503, the positive electrode mixed powder material passes through a rolling mill, the pressure of the rolling mill is 150-200KG, a positive electrode rolled sheet is formed, the positive electrode rolled sheet is sent into a drying oven for drying treatment, the drying temperature of the drying oven is 150-180 ℃ for 4-8 minutes, and the positive electrode rolled sheet is sent into a granulator to form a positive electrode ring 4;
step 504, the positive electrode ring 4 is pressed into the battery case 1, and then the separator cartridge 5 is fitted into the middle of the positive electrode ring 4.
Step 6: electrolyte is injected into the diaphragm cylinder 5, the electrolyte adopts potassium hydroxide solution with the concentration of 35-40 wt%, after the electrolyte is absorbed by the diaphragm 5, zinc paste 9 is injected into the diaphragm cylinder 5, and in the embodiment, the zinc paste 9 is prepared by the following steps: and (3) preparing 35-40 wt% potassium hydroxide solution in water, heating to 60-70 ℃, sequentially adding 50-55 parts of metal zinc alloy powder, 2-3 parts of zinc oxide and 0.02-0.05 part of indium oxide, stirring and uniformly mixing.
Step 7: the negative electrode end cap 6 is prepared, referring to fig. 6 and 8, a circular negative electrode end cap 6 is prepared by punching, an annular mounting groove 601 is punched at a position near the edge on one end of the circular negative electrode end cap 6 near the positive electrode end cap 2, an annular second elastic spacer 7 is pressed on the negative electrode end cap 6 through a lower pressing block 602, one end of the second elastic spacer 7 is pressed in the annular mounting groove 601 on the negative electrode end cap 6, and the second elastic spacer is fixed in the annular mounting groove 601 through glue. A copper nail is welded at the center of the negative electrode end cap 6 as a negative electrode current collector 8.
Step 8: referring to fig. 6 and 8, the negative electrode current collector 8 is inserted into the zinc paste 9 while pressing the second elastic separator 7 toward the center thereof so that the second elastic separator 7 can be caught on the lower snap ring 102 at the negative end of the battery case 1, and then the negative electrode end cap 6 is pressed down so that the negative electrode end cap 6 moves toward the positive electrode end cap 2 to close the battery case 1. When the negative electrode end cap 6 is moved toward the positive electrode end cap 2, the second elastic spacer 7 protrudes from the lower snap ring 102 into the battery case 1 and is engaged in the negative electrode end engaging groove 107 in the battery case 1. And a sealant is coated on the joint part of the negative electrode end cover 6 and the battery shell 1, and is used for fixing the negative electrode end cover 6 and a lower clamping ring 102 on the battery shell 1.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (6)
1. The environment-friendly alkaline battery production process is characterized by comprising the following steps of:
a. preparation of battery case (1): a cylindrical battery case (1) was prepared, specifically:
the method comprises the steps of firstly, stretching a round battery plate, and forming the battery plate to a first blank with a preset inner diameter and a preset height;
step two, flaring is carried out by adopting a flaring die, and the inner diameters of the upper section (103) and the lower section (105) of the first blank body are flared to form a second blank body with large inner diameters of the upper section (103) and the lower section (105) and small inner diameters of the middle section (104);
thirdly, extruding the upper section (103) and the lower section (105) of the second blank body towards the middle section (104) to obtain a third blank body;
step four, flaring an intermediate section (104) of the third blank, and expanding the inner diameter of the intermediate section (104) to be the same as the inner diameters of an upper section (103) and a lower section (105) to obtain a fourth blank;
fifthly, shaping a lug formed at the joint of the middle section (104) and the upper section (103) of the inner wall of the fourth blank, and extruding the lug towards the inner wall of the upper section (103) to form a positive end clamping groove (106); shaping a lug formed at the joint of the middle section (104) of the inner wall and the lower section (105) in the fourth blank, and extruding the lug towards the inner wall of the lower section (105) to form a negative end clamping groove (107);
a sixth step of punching an upper section (103) of the shaped fourth blank, and forming an upper clamping ring (101) at the uppermost end of the upper section (103); stamping the lower section (105) of the shaped fourth blank, and forming a lower clamping ring (102) at the bottommost end of the lower section (105);
b. preparing a positive electrode end cover (2): an annular first elastic spacer (3) is pressed into the positive end cover (2), and one end of the first elastic spacer (3) is connected with the positive end cover;
c. after glue is smeared on one end of the positive end cover (2), the positive end cover (2) is arranged on the positive end of the battery shell (1) from the negative end of the battery shell (1), and the positive end cover (2) is pressed with an upper clamping ring (101) of the positive end of the battery shell (1) through a first pressing die;
d. the first pressing die is withdrawn, the second pressing die enters the battery shell (1) at the same time, the first elastic spacer (3) is extruded, and the other end of the first elastic spacer (3) is clamped into the positive end clamping groove (106);
e. the positive electrode ring (4) is pressed into the battery shell (1), and a diaphragm cylinder (5) is arranged in the middle of the positive electrode ring (4);
f. electrolyte is injected into the diaphragm cylinder (5), and zinc paste (9) is injected into the diaphragm cylinder (5) after the electrolyte is absorbed by the diaphragm cylinder (5);
g. preparation of negative electrode end cap (6): a ring-shaped second elastic spacer (7) is pressed in the negative electrode end cover (6), one end of the second elastic spacer (7) is connected with the negative electrode end cover (6), and a negative electrode current collector (8) is integrated on the negative electrode end cover (6);
h. inserting the negative current collector (8) into the zinc paste (9), pressing the negative end cover (6) into the negative end of the battery shell (1), and coating sealant between the battery shell (1) and the negative end cover (6);
in the step h, when the negative end cover (6) is pressed into the negative end of the battery shell (1), one end of the second elastic spacer (7) is clamped into a negative end clamping groove (107) on the inner wall of the battery shell (1).
2. The process for producing an environment-friendly alkaline battery according to claim 1, wherein: the positive electrode ring (4) comprises the following components: 83-90 parts of manganese dioxide, 1.5-5 parts of barium sulfate, 6-9 parts of anode conductive material, 0.3-0.5 part of additive and 0.2-0.3 part of binder, wherein the binder is prepared by compounding zinc stearate and HA1681 according to the mass ratio of 1:4-4, and the additive is prepared from the following raw materials in parts by weight: 2-8 parts of yttrium oxide, 2-12 parts of yttrium hydroxide, 0.3-0.8 part of polynitrile compound, 1.2-1.8 parts of lithium dioxalate borate and 0.2-0.8 part of potassium bromide.
3. The process for producing an environment-friendly alkaline battery according to claim 2, wherein: the positive electrode ring (4) is prepared through the following steps: manganese dioxide and barium sulfate are uniformly mixed, ball-milled in a ball mill, then mixed with an anode conductive material and an adhesive, stirred after being uniformly mixed, and finally rolled and granulated to prepare the anode ring.
4. The process for producing an environment-friendly alkaline battery according to claim 1, wherein: the electrolyte comprises 35-40 wt% potassium hydroxide solution.
5. The process for producing an environment-friendly alkaline battery according to claim 1, wherein: the zinc paste (9) is prepared from the following raw materials in parts by weight: 50-55 parts of metal zinc alloy powder, 2-3 parts of zinc oxide, 0.02-0.05 part of indium oxide and 20-45 parts of potassium hydroxide solution with the concentration of 35-45 wt%.
6. The process for producing an environment-friendly alkaline battery according to claim 5, wherein: the zinc paste (9) is prepared by the following steps: heating potassium hydroxide solution to 60-70 deg.c, adding metal zinc alloy powder and zinc oxide, stirring and mixing to obtain the final product.
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| CN113964286A (en) * | 2021-10-20 | 2022-01-21 | 无锡永华电池有限公司 | Preparation device and preparation method of alkaline battery anode |
| CN114614064B (en) * | 2022-03-08 | 2023-09-12 | 云南昆船设计研究院有限公司 | Automatic assembling and compacting equipment and method for cylindrical battery anode cap and zinc cylinder |
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