CN106129430B - Positive electrode body of alkaline battery, alkaline battery and preparation method of alkaline battery - Google Patents
Positive electrode body of alkaline battery, alkaline battery and preparation method of alkaline battery Download PDFInfo
- Publication number
- CN106129430B CN106129430B CN201610772931.2A CN201610772931A CN106129430B CN 106129430 B CN106129430 B CN 106129430B CN 201610772931 A CN201610772931 A CN 201610772931A CN 106129430 B CN106129430 B CN 106129430B
- Authority
- CN
- China
- Prior art keywords
- zinc powder
- positive electrode
- parts
- percent
- ratio
- 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
- 238000002360 preparation method Methods 0.000 title claims description 30
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 118
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims abstract description 82
- 229920002125 Sokalan® Polymers 0.000 claims abstract description 51
- 239000004584 polyacrylic acid Substances 0.000 claims abstract description 51
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 33
- 239000010439 graphite Substances 0.000 claims abstract description 33
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims abstract description 30
- 235000013539 calcium stearate Nutrition 0.000 claims abstract description 30
- 239000008116 calcium stearate Substances 0.000 claims abstract description 30
- 239000002994 raw material Substances 0.000 claims abstract description 22
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 94
- 239000002245 particle Substances 0.000 claims description 82
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 81
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 42
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 40
- 229910000831 Steel Inorganic materials 0.000 claims description 36
- 239000010959 steel Substances 0.000 claims description 36
- 238000003756 stirring Methods 0.000 claims description 31
- 239000007773 negative electrode material Substances 0.000 claims description 30
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 22
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 22
- 239000011787 zinc oxide Substances 0.000 claims description 22
- 239000003792 electrolyte Substances 0.000 claims description 21
- 238000002156 mixing Methods 0.000 claims description 21
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000000227 grinding Methods 0.000 claims description 13
- 238000005303 weighing Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 9
- 238000007873 sieving Methods 0.000 claims description 9
- 238000001291 vacuum drying Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000010406 cathode material Substances 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000003860 storage Methods 0.000 abstract description 3
- 235000014692 zinc oxide Nutrition 0.000 description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 15
- 229910052802 copper Inorganic materials 0.000 description 15
- 239000010949 copper Substances 0.000 description 15
- -1 manganese dioxide Chemical compound 0.000 description 12
- 239000010405 anode material Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 239000007774 positive electrode material Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 229940105847 calamine Drugs 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 229910052864 hemimorphite Inorganic materials 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- CPYIZQLXMGRKSW-UHFFFAOYSA-N zinc;iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[Fe+3].[Fe+3].[Zn+2] CPYIZQLXMGRKSW-UHFFFAOYSA-N 0.000 description 2
- 241000699670 Mus sp. Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- WJZHMLNIAZSFDO-UHFFFAOYSA-N manganese zinc Chemical compound [Mn].[Zn] WJZHMLNIAZSFDO-UHFFFAOYSA-N 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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
-
- 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
- H01M4/06—Electrodes for primary cells
-
- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a positive electrode body of an alkaline battery, which comprises the following raw materials in parts by weight: 80-100 parts of manganese dioxide, 0.1-0.5 part of calcium stearate, 0.1-0.5 part of polyacrylic acid, 1-2 parts of barium sulfate and 5-6 parts of graphite; and an alkaline battery comprising the above-mentioned positive electrode body of the alkaline battery, which has better discharge performance and storage performance, while having higher safety, as compared with the conventional alkaline battery.
Description
Technical Field
The invention relates to the technical field of alkaline batteries, in particular to a positive electrode body of an alkaline battery, the alkaline battery and a preparation method thereof.
Background
The alkaline battery, also called alkaline zinc-manganese battery, uses manganese dioxide as positive electrode, zinc as negative electrode and potassium hydroxide as electrolyte, and is a power supply device due to its good performance, low cost and no environmental pollution. And the alkaline battery is more suitable for the electricity utilization occasions with large-current continuous discharge and high working voltage requirements, and is particularly suitable for cameras, flashlights, shavers, electric toys, CD machines, high-power remote controllers, wireless mice, keyboards and the like.
Chinese utility model CN203553255U discloses an alkaline battery, including steel casing, anodal ring, diaphragm tube, electrically conductive copper needle, calamine cream, negative pole end and plug, the steel casing inside wall on be equipped with the conducting layer, anodal ring establishes in the steel casing to anodal ring is connected with the conducting layer contact, the inboard of anodal ring is equipped with the diaphragm tube, the lateral wall of diaphragm tube is connected with the inside wall contact of anodal ring, be equipped with the calamine cream in the diaphragm tube, the diaphragm tube open end is connected with the plug contact, the inside wall edge at the steel casing open end is established in the outside of plug, the lower extreme and the negative pole end welding of electrically conductive copper needle to electrically conductive copper needle passes the copper pinhole at plug middle part, and with plug copper pinhole sealing connection, the open end of steel casing makes inside the plug sealed battery through the throat.
With the development of science and technology, the discharge performance of alkaline batteries is required to be higher due to the appearance of various digital products. The positive electrode material is an important factor affecting the discharge and the duration of an alkaline battery. The positive electrode material adopted by the prior alkaline battery is mainly electrolytic manganese, but the performance of the prepared battery is limited to a certain extent due to the limitation of the raw material process.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a positive electrode body of an alkaline battery, the alkaline battery and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the positive electrode body of the alkaline battery comprises the following raw materials in parts by weight:
80-100 parts of manganese dioxide,
0.1 to 0.5 portion of calcium stearate,
0.1 to 0.5 portion of polyacrylic acid,
1-2 parts of barium sulfate,
5-6 parts of graphite.
Preferably, the particle size of the manganese dioxide is larger than 200 meshes and larger than 90%, and the particle size is larger than 325 meshes and larger than 60%.
Preferably, the particle size of the barium sulfate is greater than 800 meshes and is greater than or equal to 99%.
Preferably, the particle diameter D50 of the graphite is 8-10 μm, and the carbon content of the graphite is more than 99.9%.
An alkaline battery comprises a steel shell 1, an anode ring 2, an anode body 3, a diaphragm tube 4, a negative electrode material 5 and a negative electrode collector 6 which is insulated and packaged on the end opening of the steel shell 1 and connected with the negative electrode material 5, wherein the steel shell 1 is provided with a conducting layer on the inner side wall, the anode ring 2 is arranged in the steel shell, and the anode ring 2 is in contact connection with the conducting layer; the positive electrode body 3 described above is used. The negative electrode current collector 6 is a conductive copper needle 6a, a rubber plug 6b and a negative electrode bottom 6c.
Preferably, 1 inside wall of steel casing on be equipped with the conducting layer, anodal ring 2 is established in steel casing 1, and anodal ring 2 is connected with the conducting layer contact, be equipped with positive electrode material 3 in the anodal ring 2, the inboard of anodal ring 2 is equipped with diaphragm tube 4, the lateral wall of diaphragm tube 4 is connected with anodal ring 2's inside wall contact, be equipped with negative electrode material 5 in the diaphragm tube 4, diaphragm tube 4 open end and plug 6b contact are connected, the inside wall edge at steel casing 1 open end is established in the outside of plug 6b, the welding of 6c at the bottom of the lower extreme and the negative pole of conductive copper needle 6a, and conductive copper needle 6a passes the copper pinhole at plug 6b middle part, and with plug copper pinhole sealing connection, the open end of steel casing 1 makes inside the sealed battery of plug through the throat.
Preferably, the negative electrode material comprises the following raw materials in parts by weight:
65-70 parts of zinc powder,
0.9 to 1 portion of sodium carbonate,
0.3 to 0.4 portion of polyacrylic acid,
0.3 to 0.4 portion of sodium polyacrylate,
1.13 to 1.34 portions of zinc oxide,
11.28 to 13.4 portions of potassium hydroxide,
15.79 to 18.76 portions of water.
More preferably, the weight ratio of the polyacrylic acid to the sodium polyacrylate is 1:1.
Further preferably, the distribution range of the particle size d of the zinc powder is as follows: the ratio of zinc powder particles with the d larger than 400 mu m is less than 5 percent, the ratio of zinc powder particles with the d larger than or equal to 400 mu m is less than 20 percent, the ratio of zinc powder particles with the d larger than or equal to 250 mu m is 35 to 50 percent, the ratio of zinc powder particles with the d larger than or equal to 250 mu m is 15 to 35 percent, the ratio of zinc powder particles with the d larger than or equal to 150 mu m is 10 to 25 percent, and the ratio of zinc powder particles with the d smaller than or equal to 75 mu m is 8 to 15 percent; wherein the ratio of zinc powder particles with d less than or equal to 45 mu m is less than 5 percent.
A method of making an alkaline cell comprising the steps of: the positive electrode ring 2 is put into the steel can 1, then the positive electrode body 3 is put into the positive electrode ring 2, then the inside of the positive electrode body 3 is put into the diaphragm tube 4, then the negative electrode material 5 is added into the diaphragm tube 4, and finally the negative electrode collector 6 is installed.
Preferably, the preparation of the positive electrode material comprises the following steps:
(1) Firstly, grinding barium sulfate at a grinding speed of 15-20 r/min, sieving the barium sulfate with a sieve (800 meshes) at a passing rate of not less than 99%;
(2) Drying the barium sulfate treated in the step (1) in a vacuum drying oven at 40-50 ℃ for 2-4 hours;
(3) Weighing barium sulfate, manganese dioxide, polyacrylic acid, graphite and calcium stearate which are treated in the step (2), sequentially adding the barium sulfate, the manganese dioxide, the polyacrylic acid, the graphite and the calcium stearate into a container, stirring at the rotating speed of 30-40 r/min, and reacting for 50-60 min at the temperature of 20-30 ℃ and the humidity of 45-70% RH to obtain a positive electrode body, wherein the particle size of the positive electrode body is less than 60 meshes and less than 15%; or weighing the barium sulfate, the manganese dioxide and the polyacrylic acid treated in the step (2), adding into a container, stirring at the rotating speed of 30-40 r/min, reacting at 20-30 ℃ and the humidity of 45-70% RH for 50-60 min, and sequentially adding the graphite and the calcium stearate to mix uniformly.
Preferably, the preparation of the negative electrode material comprises the following steps:
(1) Adding potassium hydroxide into water, dissolving, heating to 60-70 ℃, adding sodium carbonate, and uniformly stirring;
(2) Sequentially adding zinc oxide, and stirring at 60-70 deg.C for 2 hr to obtain electrolyte;
(3) And (3) uniformly mixing zinc powder, polyacrylic acid and sodium polyacrylate, adding the mixture into the electrolyte obtained in the step (2), and uniformly mixing.
The invention has the beneficial effects that:
the positive electrode material of the present invention did not delaminate after 240 hours of storage. Compared with the common alkaline battery, the alkaline battery prepared by the invention has better discharge performance and storage performance, and higher safety.
Drawings
FIG. 1 is a schematic cross-sectional view of an alkaline cell of the present invention;
1. a steel shell; 2. a positive electrode ring; 3. a positive electrode body; 4. a diaphragm tube; 5. a negative electrode material; 6. a negative electrode current collector; 6a, conducting copper needles; 6b, a rubber plug; 6c, the bottom of the negative pole.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Referring to fig. 1, the alkaline battery of the present invention includes a steel case 1, an anode ring 2, an anode body 3, a diaphragm tube 4, a cathode material 5 and a cathode collector 6 insulated and packaged at the end of the steel case 1 and connected with the cathode material 5 therein, the inner side wall of the steel case 1 is provided with a conductive layer, the anode ring 2 is disposed in the steel case 1, the anode ring 2 is connected with the conductive layer in a contact manner, the anode ring 2 is provided with the cathode material 3, the inner side of the anode ring 2 is provided with the diaphragm tube 4, the outer side wall of the diaphragm tube 4 is connected with the inner side wall of the anode ring 2 in a contact manner, the cathode material 5 is disposed in the diaphragm tube 4, the opening end of the diaphragm tube 4 is connected with a rubber plug 6b in a contact manner, the outer side of the rubber plug 6b is disposed on the inner side wall of the opening end of the steel case 1, the lower end of the conductive copper needle 6a is welded with a cathode bottom 6c, the conductive copper needle 6a penetrates through a copper needle hole in the middle of the rubber plug 6b and is hermetically connected with the copper needle hole, and the opening end of the steel case 1 is sealed to seal the rubber plug through a necking.
A method of making an alkaline battery comprising the steps of: the positive electrode ring 2 is put into the steel can 1, then the positive electrode body 3 is put into the positive electrode ring 2, then the inside of the positive electrode body 3 is put into the diaphragm tube 4, then the negative electrode material 5 is added into the diaphragm tube 4, and finally the negative electrode collector 6 is installed.
Specifically, the positive electrode body 3 of the alkaline battery of the present invention is produced by:
example 1
The positive electrode body of the alkaline battery comprises the following raw materials in parts by weight:
90 parts of manganese dioxide, namely manganese dioxide,
0.3 part of calcium stearate,
0.3 part of polyacrylic acid, namely,
1 part of barium sulfate, namely 1 part of barium sulfate,
5.7 parts of graphite.
The preparation of the positive electrode body comprises the following steps:
(1) Grinding barium sulfate at a grinding speed of 15 r/min, sieving (800 mesh), and regulating the ratio to 99%;
(2) Drying the barium sulfate treated in the step (1) in a vacuum drying oven at 45 ℃ for 3 hours;
(3) Weighing the barium sulfate, the manganese dioxide, the polyacrylic acid, the graphite and the calcium stearate which are treated in the step (2), putting the barium sulfate, the manganese dioxide, the polyacrylic acid, the graphite and the calcium stearate into a container in sequence, stirring the mixture while keeping the temperature at 25 ℃ and the humidity at 55 percent RH, and reacting the mixture for 55 minutes to obtain the positive electrode body.
The negative electrode material of the alkaline battery comprises the following raw materials in parts by weight:
67 parts of zinc powder,
0.92 part of sodium carbonate, namely,
0.35 part of polyacrylic acid, namely,
0.35 part of sodium polyacrylate, namely,
1.2 parts of zinc oxide
12 parts of potassium hydroxide, namely potassium hydroxide,
and 17 parts of water.
Wherein the distribution range of the particle size d of the zinc powder is as follows: the ratio of zinc powder particles with the d larger than 400 mu m is less than 5 percent, the ratio of zinc powder particles with the d larger than or equal to 400 mu m is less than 20 percent, the ratio of zinc powder particles with the d larger than or equal to 250 mu m is 35 to 50 percent, the ratio of zinc powder particles with the d larger than or equal to 250 mu m is 15 to 35 percent, the ratio of zinc powder particles with the d larger than or equal to 150 mu m is 10 to 25 percent, and the ratio of zinc powder particles with the d smaller than or equal to 75 mu m is 8 to 15 percent; wherein the ratio of zinc powder particles with d less than or equal to 45 mu m is less than 5 percent.
The preparation of the anode material comprises the following steps:
(1) Adding potassium hydroxide into water, dissolving, heating to 60-70 ℃, adding sodium carbonate, and uniformly stirring;
(2) Sequentially adding zinc oxide, and stirring at 60-70 deg.C for 2 hr to obtain electrolyte;
(3) And (3) uniformly mixing zinc powder, polyacrylic acid and sodium polyacrylate, adding the mixture into the electrolyte obtained in the step (2), and uniformly mixing.
The preparation method of the alkaline battery comprises the steps of placing the positive electrode ring into the steel shell, then placing the positive electrode body into the positive electrode ring, then placing the diaphragm tube into the positive electrode body, then adding the negative electrode material into the diaphragm tube, and finally installing the negative electrode collector.
Example 2
The positive electrode body of the alkaline battery comprises the following raw materials in parts by weight:
80 parts of manganese dioxide, namely 80 parts of manganese dioxide,
0.5 part of calcium stearate,
0.1 part of polyacrylic acid, and the like,
1 part of barium sulfate, namely 1 part of barium sulfate,
6 parts of graphite.
The preparation of the positive electrode body comprises the following steps:
(1) Grinding barium sulfate at 15 r/min, sieving (800 mesh), and passing rate of not less than 99%;
(2) Drying the barium sulfate treated in the step (1) in a vacuum drying oven at 40 ℃ for 4 hours;
(3) Weighing the barium sulfate, the manganese dioxide, the polyacrylic acid, the graphite and the calcium stearate which are treated in the step (2), putting the barium sulfate, the manganese dioxide, the polyacrylic acid, the graphite and the calcium stearate into a container in sequence, stirring the mixture, and reacting the mixture for 60 minutes at the temperature of 20 ℃ and the humidity of 45 percent RH to obtain the positive electrode body.
The negative electrode material of the alkaline battery comprises the following raw materials in parts by weight:
67 parts of zinc powder,
0.92 part of sodium carbonate, namely,
0.35 part of polyacrylic acid, namely,
0.35 part of sodium polyacrylate,
1.2 parts of zinc oxide
12 parts of potassium hydroxide, namely potassium hydroxide,
and 17 parts of water.
Wherein the distribution range of the particle size d of the zinc powder is as follows: the ratio of zinc powder particles with the d larger than 400 mu m is less than 5 percent, the ratio of zinc powder particles with the d larger than or equal to 400 mu m is less than 20 percent, the ratio of zinc powder particles with the d larger than or equal to 250 mu m is 35 to 50 percent, the ratio of zinc powder particles with the d larger than or equal to 250 mu m is 15 to 35 percent, the ratio of zinc powder particles with the d larger than or equal to 150 mu m is 10 to 25 percent, and the ratio of zinc powder particles with the d smaller than or equal to 75 mu m is 8 to 15 percent; wherein the ratio of zinc powder particles with d less than or equal to 45 mu m is less than 5 percent.
The preparation of the anode material comprises the following steps:
(1) Adding potassium hydroxide into water, dissolving, heating to 60-70 ℃, adding sodium carbonate, and uniformly stirring;
(2) Sequentially adding zinc oxide, and stirring at 60-70 deg.C for 2 hr to obtain electrolyte;
(3) And (3) uniformly mixing zinc powder, polyacrylic acid and sodium polyacrylate, adding into the electrolyte obtained in the step (2), and uniformly mixing.
The preparation method of the alkaline battery comprises the steps of placing the positive electrode ring into the steel shell, then placing the positive electrode body into the positive electrode ring, then placing the diaphragm tube into the positive electrode body, then adding the negative electrode material into the diaphragm tube, and finally installing the negative electrode collector.
Example 3
The positive electrode body of the alkaline battery comprises the following raw materials in parts by weight:
100 parts of manganese dioxide, namely 100 parts of manganese dioxide,
0.1 part of calcium stearate,
0.5 part of polyacrylic acid, namely,
2 parts of barium sulfate, namely 2 parts of barium sulfate,
and 5 parts of graphite.
The preparation of the positive electrode body comprises the following steps:
(1) Grinding barium sulfate at 15 r/min, sieving (800 mesh), and passing rate of not less than 99%;
(2) Drying the barium sulfate treated in the step (1) in a vacuum drying oven at 50 ℃ for 2 hours;
(3) Weighing the barium sulfate, the manganese dioxide and the polyacrylic acid treated in the step (2), placing the barium sulfate, the manganese dioxide and the polyacrylic acid into a container, stirring the mixture, reacting the mixture for 50 minutes at the temperature of 30 ℃ and the humidity of 70% RH, sequentially adding the graphite and the calcium stearate, and uniformly mixing the graphite and the calcium stearate.
The negative electrode material of the alkaline battery comprises the following raw materials in parts by weight:
67 parts of zinc powder,
0.92 part of sodium carbonate, namely,
0.35 part of polyacrylic acid, namely,
0.35 part of sodium polyacrylate, namely,
1.2 parts of zinc oxide
12 parts of potassium hydroxide, namely potassium hydroxide,
and 17 parts of water.
Wherein the distribution range of the particle size d of the zinc powder is as follows: the ratio of zinc powder particles with the d larger than 400 mu m is less than 5 percent, the ratio of zinc powder particles with the d larger than or equal to 400 mu m is less than 20 percent, the ratio of zinc powder particles with the d larger than or equal to 250 mu m is 35 to 50 percent, the ratio of zinc powder particles with the d larger than or equal to 250 mu m is 15 to 35 percent, the ratio of zinc powder particles with the d larger than or equal to 150 mu m is 10 to 25 percent, and the ratio of zinc powder particles with the d smaller than or equal to 75 mu m is 8 to 15 percent; wherein the ratio of zinc powder particles with d less than or equal to 45 mu m is less than 5 percent.
The preparation of the anode material comprises the following steps:
(1) Adding potassium hydroxide into water, dissolving, heating to 60-70 ℃, adding sodium carbonate, and uniformly stirring;
(2) Sequentially adding zinc oxide, and stirring at 60-70 deg.C for 2 hr to obtain electrolyte;
(3) And (3) uniformly mixing zinc powder, polyacrylic acid and sodium polyacrylate, adding into the electrolyte obtained in the step (2), and uniformly mixing.
The preparation method of the alkaline battery comprises the steps of placing the positive electrode ring into the steel shell, then placing the positive electrode body into the positive electrode ring, then placing the diaphragm tube into the positive electrode body, then adding the negative electrode material into the diaphragm tube, and finally installing the negative electrode collector.
Comparative example 1
The positive electrode body of the alkaline battery comprises the following raw materials in parts by weight:
90 parts of manganese dioxide, namely manganese dioxide,
0.3 part of calcium stearate,
1 part of barium sulfate, namely 1 part of barium sulfate,
5.7 parts of graphite.
The above-described method for producing the positive electrode body of the alkaline battery is described in example 1.
The negative electrode material of the alkaline battery comprises the following raw materials in parts by weight:
67 parts of zinc powder,
0.92 part of sodium carbonate, namely,
0.35 part of polyacrylic acid, namely,
0.35 part of sodium polyacrylate, namely,
1.2 parts of zinc oxide
12 parts of potassium hydroxide, namely potassium hydroxide,
and 17 parts of water.
Wherein the distribution range of the particle size d of the zinc powder is as follows: the ratio of zinc powder particles with the d larger than 400 mu m is less than 5 percent, the ratio of zinc powder particles with the d larger than or equal to 400 mu m is less than 20 percent, the ratio of zinc powder particles with the d larger than or equal to 250 mu m is 35 to 50 percent, the ratio of zinc powder particles with the d larger than or equal to 250 mu m is 15 to 35 percent, the ratio of zinc powder particles with the d larger than or equal to 150 mu m is 10 to 25 percent, and the ratio of zinc powder particles with the d smaller than or equal to 75 mu m is 8 to 15 percent; wherein the ratio of zinc powder particles with d less than or equal to 45 mu m is less than 5 percent.
The preparation method of the anode material comprises the following steps:
(1) Adding potassium hydroxide into water, dissolving, heating to 60-70 ℃, adding sodium carbonate, and uniformly stirring;
(2) Sequentially adding zinc oxide, and stirring at 60-70 deg.C for 2 hr to obtain electrolyte;
(3) And (3) uniformly mixing zinc powder, polyacrylic acid and sodium polyacrylate, adding the mixture into the electrolyte obtained in the step (2), and uniformly mixing.
The preparation method of the alkaline battery comprises the steps of placing the positive electrode ring into the steel shell, then placing the positive electrode body into the positive electrode ring, then placing the diaphragm tube into the positive electrode body, then adding the negative electrode material into the diaphragm tube, and finally installing the negative electrode collector.
The performance of the alkaline cell of example 1 of the present invention was compared with that of the alkaline cell of comparative example 1, and the results are shown in table 1:
| discharge mode | Example 1 | Comparative example 1 | Ratio of |
| 10 omega continuous discharge and 0.9V of termination voltage | 1224 | 1173 | 4.17％ |
| 3.9 omega continuous discharge and 0.9V of termination voltage | 394 | 368 | 6.60％ |
| 24 omega pulse interval discharge, termination voltage 1.0V | 2910 | 2760 | 5.15％ |
| 43 omega discharge and 0.9V of termination voltage | 5700 | 5400 | 5.26％ |
| 1000mA constant current intermittent discharge with stop voltage of 0.9V | 459 | 430 | 6.32％ |
| Constant current intermittent discharge of 250mA, and termination voltage of 0.9V | 500 | 474 | 5.2％ |
As can be seen from table 1, the discharge performance of the alkaline battery of example 1 to which the present invention was added was significantly improved, and the discharge time and the number of discharges were significantly increased as compared with the alkaline battery of comparative example 1.
Specifically, the negative electrode material 5 of the alkaline battery of the present invention is produced by:
example 4
An alkaline battery negative electrode material comprises the following raw materials in parts by weight:
67 parts of zinc powder,
0.92 part of sodium carbonate, namely,
0.35 part of polyacrylic acid, namely,
0.35 part of sodium polyacrylate, namely,
1.2 parts of zinc oxide
12 parts of potassium hydroxide, namely potassium hydroxide,
and 17 parts of water.
Wherein the distribution range of the particle size d of the zinc powder is as follows: the ratio of zinc powder particles with the d larger than 400 mu m is less than 5 percent, the ratio of zinc powder particles with the d larger than or equal to 400 mu m is less than 20 percent, the ratio of zinc powder particles with the d larger than or equal to 250 mu m is 35 to 50 percent, the ratio of zinc powder particles with the d larger than or equal to 250 mu m is 15 to 35 percent, the ratio of zinc powder particles with the d larger than or equal to 150 mu m is 10 to 25 percent, and the ratio of zinc powder particles with the d smaller than or equal to 75 mu m is 8 to 15 percent; wherein the ratio of zinc powder particles with d less than or equal to 45 mu m is less than 5 percent.
The preparation of the anode material comprises the following steps:
(1) Adding potassium hydroxide into water, dissolving, heating to 60-70 ℃, adding sodium carbonate, and uniformly stirring;
(2) Sequentially adding zinc oxide, and stirring at 60-70 deg.C for 2 hr to obtain electrolyte;
(3) And (3) uniformly mixing zinc powder, polyacrylic acid and sodium polyacrylate, adding the mixture into the electrolyte obtained in the step (2), and uniformly mixing.
The positive electrode body of the alkaline battery comprises the following raw materials in parts by weight:
80 parts of manganese dioxide, namely manganese dioxide,
0.5 part of calcium stearate,
0.1 part of polyacrylic acid, and the like,
1 part of barium sulfate, namely 1 part of barium sulfate,
6 parts of graphite.
The preparation of the positive electrode body comprises the following steps:
(1) Grinding barium sulfate at 15 r/min, sieving (800 mesh), and passing rate of not less than 99%;
(2) Drying the barium sulfate treated in the step (1) in a vacuum drying oven at 40 ℃ for 4 hours;
(3) Weighing the barium sulfate, the manganese dioxide, the polyacrylic acid, the graphite and the calcium stearate which are treated in the step (2), putting the barium sulfate, the manganese dioxide, the polyacrylic acid, the graphite and the calcium stearate into a container in sequence, stirring the mixture, and reacting the mixture for 60 minutes at the temperature of 20 ℃ and the humidity of 45 percent RH to obtain the positive electrode body.
The preparation method of the alkaline battery comprises the steps of placing the positive electrode ring into the steel shell, then placing the positive electrode body into the positive electrode ring, then placing the diaphragm tube into the positive electrode body, then adding the negative electrode material into the diaphragm tube, and finally installing the negative electrode collector.
Example 5
An alkaline battery negative electrode material comprises the following raw materials in parts by weight:
65 parts of zinc powder, namely zinc powder,
1 part of sodium carbonate, namely sodium carbonate,
0.4 part of polyacrylic acid, namely,
0.4 part of sodium polyacrylate,
1.13 parts of zinc oxide
11.28 parts of potassium hydroxide, namely,
and 18.76 parts of water.
Wherein the distribution range of the particle size d of the zinc powder is as follows: the ratio of zinc powder particles with the d larger than 400 mu m is less than 5 percent, the ratio of zinc powder particles with the d larger than or equal to 400 mu m is less than 20 percent, the ratio of zinc powder particles with the d larger than or equal to 250 mu m is 35 to 50 percent, the ratio of zinc powder particles with the d larger than or equal to 250 mu m is 15 to 35 percent, the ratio of zinc powder particles with the d larger than or equal to 150 mu m is 10 to 25 percent, and the ratio of zinc powder particles with the d smaller than or equal to 75 mu m is 8 to 15 percent; wherein the ratio of zinc powder particles with d less than or equal to 45 mu m is less than 5 percent.
The preparation of the anode material comprises the following steps:
(1) Adding potassium hydroxide into water, dissolving, heating to 60-70 ℃, adding sodium carbonate, and stirring uniformly;
(2) Sequentially adding zinc oxide, and stirring at 60-70 deg.C for 2 hr to obtain electrolyte;
(3) And (3) uniformly mixing zinc powder, polyacrylic acid and sodium polyacrylate, adding the mixture into the electrolyte obtained in the step (2), and uniformly mixing.
The positive electrode body of the alkaline battery comprises the following raw materials in parts by weight:
80 parts of manganese dioxide, namely 80 parts of manganese dioxide,
0.5 part of calcium stearate,
0.1 part of polyacrylic acid, and the like,
1 part of barium sulfate, namely 1 part of barium sulfate,
6 parts of graphite.
The preparation of the positive electrode body comprises the following steps:
(1) Grinding barium sulfate at 15 r/min, sieving (800 mesh), and passing rate of not less than 99%;
(2) Drying the barium sulfate treated in the step (1) in a vacuum drying oven at 40 ℃ for 4 hours;
(3) Weighing the barium sulfate, the manganese dioxide, the polyacrylic acid, the graphite and the calcium stearate which are treated in the step (2), putting the barium sulfate, the manganese dioxide, the polyacrylic acid, the graphite and the calcium stearate into a container in sequence, stirring the mixture, and reacting the mixture for 60 minutes at the temperature of 20 ℃ and the humidity of 45 percent RH to obtain the positive electrode body.
The preparation method of the alkaline battery comprises the steps of placing the positive electrode ring into the steel shell, then placing the positive electrode body into the positive electrode ring, then placing the diaphragm tube into the positive electrode body, then adding the negative electrode material into the diaphragm tube, and finally installing the negative electrode collector.
Example 6
An alkaline battery negative electrode material comprises the following raw materials in parts by weight:
70 parts of zinc powder,
0.9 part of sodium carbonate, namely,
0.3 part of polyacrylic acid, namely,
0.3 part of sodium polyacrylate,
1.34 parts of zinc oxide
13.4 parts of potassium hydroxide, namely,
15.79 parts of water.
Wherein the distribution range of the particle size d of the zinc powder is as follows: the ratio of zinc powder particles with the d larger than 400 mu m is less than 5 percent, the ratio of zinc powder particles with the d larger than or equal to 400 mu m is less than 20 percent, the ratio of zinc powder particles with the d larger than or equal to 250 mu m is 35 to 50 percent, the ratio of zinc powder particles with the d larger than or equal to 250 mu m is 15 to 35 percent, the ratio of zinc powder particles with the d larger than or equal to 150 mu m is 10 to 25 percent, and the ratio of zinc powder particles with the d smaller than or equal to 75 mu m is 8 to 15 percent; wherein the ratio of zinc powder particles with d less than or equal to 45 mu m is less than 5 percent.
The preparation of the anode material comprises the following steps:
(1) Adding potassium hydroxide into water, dissolving, heating to 60-70 ℃, adding sodium carbonate, and uniformly stirring;
(2) Sequentially adding zinc oxide, and stirring at 60-70 deg.C for 2 hr to obtain electrolyte;
(3) And (3) uniformly mixing zinc powder, polyacrylic acid and sodium polyacrylate, adding the mixture into the electrolyte obtained in the step (2), and uniformly mixing.
The positive electrode body of the alkaline battery comprises the following raw materials in parts by weight:
80 parts of manganese dioxide, namely manganese dioxide,
0.5 part of calcium stearate,
0.1 part of polyacrylic acid, and the like,
1 part of barium sulfate, namely 1 part of barium sulfate,
6 parts of graphite.
The preparation of the positive electrode body comprises the following steps:
(1) Grinding barium sulfate at 15 r/min, sieving (800 mesh), and passing rate of not less than 99%;
(2) Drying the barium sulfate treated in the step (1) in a vacuum drying oven at 40 ℃ for 4 hours;
(3) Weighing the barium sulfate, the manganese dioxide, the polyacrylic acid, the graphite and the calcium stearate which are treated in the step (2), putting the barium sulfate, the manganese dioxide, the polyacrylic acid, the graphite and the calcium stearate into a container in sequence, stirring the mixture, and reacting the mixture for 60 minutes at the temperature of 20 ℃ and the humidity of 45 percent RH to obtain the positive electrode body.
The preparation method of the alkaline battery comprises the steps of placing the positive electrode ring into the steel shell, then placing the positive electrode body into the positive electrode ring, then placing the diaphragm tube into the positive electrode body, then adding the negative electrode material into the diaphragm tube, and finally installing the negative electrode collector.
Comparative example 2
An alkaline battery negative electrode material comprises the following raw materials in parts by weight:
67 parts of zinc powder,
0.92 part of sodium carbonate, namely,
0.3 part of polyacrylic acid, namely,
0.4 part of sodium polyacrylate,
1.2 parts of zinc oxide
12 parts of potassium hydroxide, namely potassium hydroxide,
and 17 parts of water.
The preparation method of the anode material comprises the following steps:
(1) Adding potassium hydroxide into water, dissolving, heating to 60-70 ℃, adding sodium carbonate, and uniformly stirring;
(2) Sequentially adding zinc oxide, and stirring at 60-70 deg.C for 2 hr to obtain electrolyte;
(3) And (3) uniformly mixing zinc powder, polyacrylic acid and sodium polyacrylate, adding the mixture into the electrolyte obtained in the step (2), and uniformly mixing.
The positive electrode body of the alkaline battery comprises the following raw materials in parts by weight:
80 parts of manganese dioxide, namely 80 parts of manganese dioxide,
0.5 part of calcium stearate,
0.1 part of polyacrylic acid, namely,
1 part of barium sulfate, namely 1 part of barium sulfate,
6 parts of graphite.
The preparation of the positive electrode body comprises the following steps:
(1) Grinding barium sulfate at a grinding speed of 15 r/min, sieving (800 mesh), and regulating the ratio to 99%;
(2) Drying the barium sulfate treated in the step (1) in a vacuum drying oven at 40 ℃ for 4 hours;
(3) Weighing the barium sulfate, the manganese dioxide, the polyacrylic acid, the graphite and the calcium stearate treated in the step (2), sequentially placing the weighed materials in a container, stirring the materials, and reacting the materials for 60 minutes at 20 ℃ and 45% RH.
The preparation method of the alkaline battery comprises the steps of placing the positive electrode ring into the steel shell, then placing the positive electrode body into the positive electrode ring, then placing the diaphragm tube into the positive electrode body, then adding the negative electrode material into the diaphragm tube, and finally installing the negative electrode collector.
Table 2 comparison of performance of the alkaline cell of example 4 and the alkaline cell of comparative example 2
The foregoing examples are provided by way of illustration only and not by way of limitation. Various modifications, additions and substitutions for the described embodiments by those skilled in the art are possible and within the scope of the invention.
Claims (7)
1. An alkaline battery is characterized by comprising a steel shell (1), an anode ring (2), a positive electrode body (3), a diaphragm tube (4), a negative electrode material (5) and a negative electrode current collector (6) which is insulated and packaged on the port of the steel shell (1) and connected with the negative electrode material (5) in the steel shell, wherein the steel shell (1) is provided with a conducting layer on the inner side wall, the anode ring (2) is arranged in the steel shell, and the anode ring (2) is in contact connection with the conducting layer; the positive electrode body (3) comprises the following raw materials in parts by weight:
80-100 parts of manganese dioxide,
0.1 to 0.5 portion of calcium stearate,
0.1 to 0.5 portion of polyacrylic acid,
1-2 parts of barium sulfate,
5-6 parts of graphite;
the negative electrode material comprises the following raw materials in parts by weight:
65-70 parts of zinc powder,
0.9 to 1 portion of sodium carbonate,
0.3 to 0.4 portion of polyacrylic acid,
0.3 to 0.4 portion of sodium polyacrylate,
1.13 to 1.34 portions of zinc oxide,
11.28 to 13.4 portions of potassium hydroxide,
15.79-18.76 parts of water;
the distribution range of the particle size d of the zinc powder is as follows: the ratio of zinc powder particles with the d larger than 400 mu m is less than 5 percent, the ratio of zinc powder particles with the d larger than or equal to 400 mu m is less than 20 percent, the ratio of zinc powder particles with the d larger than or equal to 250 mu m is 35 to 50 percent, the ratio of zinc powder particles with the d larger than or equal to 250 mu m is 15 to 35 percent, the ratio of zinc powder particles with the d larger than or equal to 150 mu m is 10 to 25 percent, and the ratio of zinc powder particles with the d smaller than or equal to 75 mu m is 8 to 15 percent; wherein the ratio of zinc powder particles with d less than or equal to 45 mu m is less than 5 percent.
2. The positive electrode body for alkaline batteries according to claim 1, wherein said manganese dioxide has a particle size of less than 200 mesh and greater than 90%, and a particle size of less than 325 mesh and greater than 60%; the particle size of the barium sulfate is larger than 800 meshes and is larger than or equal to 99%.
3. The positive electrode body for alkaline batteries according to claim 1, wherein said graphite has a particle diameter D50 of 8 to 10 μm and a carbon content of more than 99.9%.
4. The alkaline cell of claim 1, wherein the weight ratio of polyacrylic acid to sodium polyacrylate in the negative electrode material is 1:1.
5. The method of manufacturing an alkaline battery of any of claims 1-4, comprising the steps of: the anode ring (2) is arranged in the steel shell (1), then the anode body (3) is arranged in the anode ring (2), then the inside of the anode body (3) is arranged in the diaphragm tube (4), then the cathode material (5) is added in the diaphragm tube (4), and finally the cathode collector (6) is arranged.
6. The production method according to claim 5, characterized in that the production of the positive electrode body includes the steps of:
(1) Grinding barium sulfate at a grinding speed of 15-20 rpm, and sieving with a 800-mesh sieve at a passing rate of not less than 99%;
(2) Drying the barium sulfate treated in the step (1) in a vacuum drying oven at 40-50 ℃ for 2-4 hours;
(3) Weighing barium sulfate, manganese dioxide, polyacrylic acid, graphite and calcium stearate which are treated in the step (2), sequentially adding the barium sulfate, the manganese dioxide, the polyacrylic acid, the graphite and the calcium stearate into a container, stirring at the rotating speed of 30-40 r/min, and reacting for 50-60 min at the temperature of 20-30 ℃ and the humidity of 45-70% RH to obtain a positive electrode body, wherein the particle size of the positive electrode body is less than 60 meshes and less than 15%; or weighing the barium sulfate, the manganese dioxide and the polyacrylic acid treated in the step (2), adding into a container, stirring at the rotating speed of 30-40 r/min, reacting at 20-30 ℃ and the humidity of 45-70% RH for 50-60 min, and sequentially adding the graphite and the calcium stearate to mix uniformly.
7. The method according to claim 5, wherein the preparation of the negative electrode material comprises the steps of:
(1) Adding potassium hydroxide into water, dissolving, heating to 60-70 ℃, adding sodium carbonate, and uniformly stirring;
(2) Sequentially adding zinc oxide, and stirring at 60-70 deg.C for 2 hr to obtain electrolyte;
(3) And (3) uniformly mixing zinc powder, polyacrylic acid and sodium polyacrylate, adding the mixture into the electrolyte obtained in the step (2), and uniformly mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610772931.2A CN106129430B (en) | 2016-08-30 | 2016-08-30 | Positive electrode body of alkaline battery, alkaline battery and preparation method of alkaline battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610772931.2A CN106129430B (en) | 2016-08-30 | 2016-08-30 | Positive electrode body of alkaline battery, alkaline battery and preparation method of alkaline battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106129430A CN106129430A (en) | 2016-11-16 |
| CN106129430B true CN106129430B (en) | 2019-03-12 |
Family
ID=57273107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610772931.2A Active CN106129430B (en) | 2016-08-30 | 2016-08-30 | Positive electrode body of alkaline battery, alkaline battery and preparation method of alkaline battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106129430B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109641A (en) * | 1993-04-20 | 1995-10-04 | 蓄电池技术股份有限公司 | Manganese dioxide positive electrode for rechargeable alkaline cells, and cells containing the same |
| CN1735471A (en) * | 2002-12-21 | 2006-02-15 | 格里洛工厂股份公司 | Zinc powder or zinc alloy powder having an inhomogeneous bulk density for use in alkaline batteries |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU215866B (en) * | 1991-12-19 | 1999-03-29 | Battery Technologies Inc. | Cathode structure for alkaline manganese dioxide zinc cells of improved capacity |
| CN102306793B (en) * | 2011-08-26 | 2014-01-08 | 浙江特源电池有限公司 | Cylindrical alkaline zinc-manganese battery positive electrode additive and preparation method thereof |
| CN203553255U (en) * | 2013-11-01 | 2014-04-16 | 江门金刚电源制品有限公司 | Anti-collision alkaline battery |
-
2016
- 2016-08-30 CN CN201610772931.2A patent/CN106129430B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1109641A (en) * | 1993-04-20 | 1995-10-04 | 蓄电池技术股份有限公司 | Manganese dioxide positive electrode for rechargeable alkaline cells, and cells containing the same |
| CN1735471A (en) * | 2002-12-21 | 2006-02-15 | 格里洛工厂股份公司 | Zinc powder or zinc alloy powder having an inhomogeneous bulk density for use in alkaline batteries |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106129430A (en) | 2016-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112301428B (en) | Ternary single crystal positive electrode material and preparation method and application thereof | |
| CN107611409B (en) | Preparation method of flaky nano FeS2/C negative electrode material | |
| CN103337613B (en) | A kind of Si-C composite material and preparation method thereof, lithium ion battery | |
| CN104078656B (en) | The preparation method of nano ferriferrous oxide/sisal carbon lithium ion battery negative material | |
| CA2474164A1 (en) | Alkaline battery | |
| CN106159292B (en) | Alkaline battery and method for manufacturing the same | |
| CN102723471A (en) | Gel zinc paste for alkaline battery and preparation method thereof | |
| CN108807912B (en) | C @ SnOx(x=0,1,2)Preparation and application of @ C mesoporous nano hollow sphere structure | |
| CN105047928A (en) | High-tap-density graphite anode material and preparation method thereof | |
| CN104201360B (en) | Alkaline dry battery and preparation method thereof | |
| CN102456877B (en) | Cathode material precursor, preparation method thereof, cathode material and lithium battery | |
| CN110690446A (en) | Preparation method of carbon-coated ferroferric oxide for iron-nickel battery | |
| CN106299279B (en) | Negative electrode material for alkaline battery, alkaline battery and preparation method thereof | |
| CN108172854A (en) | Alkaline zinc-manganese battery containing zinc oxide and preparation method thereof | |
| CN111446416B (en) | Multi-level structure phase-combined TiO2Preparation and application of composite graphene negative electrode material | |
| CN106129430B (en) | Positive electrode body of alkaline battery, alkaline battery and preparation method of alkaline battery | |
| CN209133609U (en) | Improved alkaline battery with positive electrode ring-in ring | |
| CN103825017A (en) | Preparation method of lithium manganate used as lithium ion battery cathode material and doped lithium manganate | |
| CN103633331A (en) | Positive active material for lead-acid power battery and preparation method of positive active material | |
| CN108238648B (en) | Preparation method of lithium ion battery negative electrode material | |
| CN111261866B (en) | Preparation method of ZnO/C nano composite microsphere material with capsule structure | |
| CN105206824B (en) | A kind of preparation method of height ratio capacity lithium-rich anode material | |
| CN107799741A (en) | A kind of preparation method of the lithium ion battery nickel-cobalt-manganese ternary positive electrode of modified zinc oxide | |
| CN110112376B (en) | Preparation method and application of porous silicon oxide/carbon composite negative electrode material | |
| CN108232172B (en) | Preparation method and application of ferric oxide/lithium titanate composite material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 529000 No. 1 and No. 2 Yongsheng Road, Pengjiang District, Jiangmen City, Guangdong Province Applicant after: GOLDTIUM (JIANGMEN) ENERGY PRODUCTS Co.,Ltd. Address before: 529000 Office Building, Workshop Warehouse, 83 Yongsheng Road, Pengjiang District, Jiangmen City, Guangdong Province Applicant before: GOLDTIUM (JIANGMEN) ENERGY PRODUCTS Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Alkaline battery positive electrode, alkaline battery and its preparation method Effective date of registration: 20211227 Granted publication date: 20190312 Pledgee: Bank of China Limited by Share Ltd. Jiangmen branch Pledgor: GOLDTIUM (JIANGMEN) ENERGY PRODUCTS Co.,Ltd. Registration number: Y2021980016493 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20190312 Pledgee: Bank of China Limited by Share Ltd. Jiangmen branch Pledgor: GOLDTIUM (JIANGMEN) ENERGY PRODUCTS Co.,Ltd. Registration number: Y2021980016493 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Alkaline battery positive electrode body, alkaline battery and its preparation method Granted publication date: 20190312 Pledgee: Bank of China Limited Jiangmen Beixin Sub branch Pledgor: GOLDTIUM (JIANGMEN) ENERGY PRODUCTS Co.,Ltd. Registration number: Y2024980003368 |