CN111682189A - Anode material of alkaline battery - Google Patents
Anode material of alkaline battery Download PDFInfo
- Publication number
- CN111682189A CN111682189A CN202010675779.2A CN202010675779A CN111682189A CN 111682189 A CN111682189 A CN 111682189A CN 202010675779 A CN202010675779 A CN 202010675779A CN 111682189 A CN111682189 A CN 111682189A
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- China
- Prior art keywords
- manganese
- percent
- alkaline battery
- manganese powder
- powder
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- 239000010405 anode material Substances 0.000 title abstract description 5
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 59
- 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 18
- 239000010439 graphite Substances 0.000 claims abstract description 18
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 16
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims abstract description 8
- 235000013539 calcium stearate Nutrition 0.000 claims abstract description 8
- 239000008116 calcium stearate Substances 0.000 claims abstract description 8
- 239000003792 electrolyte Substances 0.000 claims abstract description 8
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 28
- 229910052748 manganese Inorganic materials 0.000 claims description 18
- 239000011572 manganese Substances 0.000 claims description 18
- 239000006230 acetylene black Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 14
- 239000007774 positive electrode material Substances 0.000 claims description 12
- 239000000843 powder Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- WJZHMLNIAZSFDO-UHFFFAOYSA-N manganese zinc Chemical compound [Mn].[Zn] WJZHMLNIAZSFDO-UHFFFAOYSA-N 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
Classifications
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/364—Composites as mixtures
-
- 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
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
-
- 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
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- 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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses an alkaline battery anode material, which belongs to the field of alkaline batteries and comprises the following components in percentage by weight: 88.9 to 90.5 percent of manganese powder, 4.5 to 5.9 percent of graphite, 1.3 to 1.5 percent of barium sulfate, 0.1 to 0.6 percent of HA1681, 0.01 to 0.07 percent of calcium stearate and 2.9 to 3.1 percent of electrolyte.
Description
Technical Field
The invention relates to the field of alkaline batteries, in particular to an alkaline battery positive electrode material.
Background
The alkaline battery is also called an alkaline dry battery, an alkaline zinc-manganese battery and an alkaline manganese battery, and is a variety with the best performance in a zinc-manganese battery series. Is suitable for long-time use with large discharge capacity. The battery has lower internal resistance, so the generated current is larger than that of the common carbon battery, and the battery does not contain mercury, so the battery can be treated with the household garbage and does not need to be recycled intentionally.
The alkaline battery is structurally applied to the opposite electrode structure of the common battery, the relative area between the positive electrode and the negative electrode is increased, the high-conductivity potassium hydroxide solution is used for replacing ammonium chloride and zinc chloride solution, the negative electrode zinc is changed into particles from sheets, the reaction area of the negative electrode is increased, and high-performance electrolytic manganese powder is additionally adopted, so that the electrical performance is greatly improved.
At present, in the production of batteries, the added electrode material is often single manganese powder, the particle distribution and the expansion coefficient of the single manganese powder are single, and the capacity of the battery is relatively fixed.
Disclosure of Invention
The invention aims to provide an alkaline battery anode material, which utilizes more than two manganese powders to be mixed as the material of an electrode, thereby improving the discharge capacity and the comprehensive performance of the battery.
The technical purpose of the invention is realized by the following technical scheme:
the positive electrode material of the alkaline battery comprises the following components in percentage by weight: 88.9 to 90.5 percent of manganese powder, 4.5 to 5.9 percent of graphite, 1.3 to 1.5 percent of barium sulfate, 1681 of HA, 0.1 to 0.6 percent of HA, 0.01 to 0.07 percent of calcium stearate and 2.9 to 3.1 percent of electrolyte.
Further, the manganese powder is a mixture of high-pressure manganese and low-pressure manganese in a mass ratio of 1-2:2-3.
Further, electrolytic manganese dioxide is added into the manganese powder, and the mass ratio of the electrolytic manganese dioxide to the manganese powder is 1:3.
Further, acetylene black is added into the components, and the total percentage of the acetylene black is 0.1-0.2%.
Further, the fineness of the graphite is 1200 meshes.
In conclusion, the invention has the following beneficial effects:
1. through the arrangement of the mixture of the manganese powder, the high-pressure manganese and the low-pressure manganese which are different in particle size, expansion coefficient, apparent specific gravity and various impurities are doped together to form the mixture, and the complementary action between the two kinds of manganese powder is utilized to improve the discharge capacity and the comprehensive performance of the battery.
2. The graphite with the fineness of 1200 meshes is selected, and the ultrafine powder can improve the contact area of the graphite and the manganese powder, so that the graphite and the manganese powder are in full contact, and the discharge of medium and large currents is facilitated.
Detailed Description
Example 1:
the positive electrode material of the alkaline battery comprises the following components in percentage by weight: 90.36% of manganese powder, 4.6% of graphite, 1.5% of barium sulfate, 1681,0.4% of HA, 0.04% of calcium stearate and 3.0% of electrolyte. Acetylene black is also added into the components, and the percentage of the total amount of the acetylene black is 0.1 percent. The manganese powder is a mixture of high-pressure manganese and low-pressure manganese according to the mass ratio of 1:1, electrolytic manganese dioxide is further added into the manganese powder, and the mass ratio of the electrolytic manganese dioxide to the mixture is 1:3. The fineness of the graphite in the manganese powder is 1200 meshes.
Example 2:
the positive electrode material of the alkaline battery comprises the following components in percentage by weight: manganese powder 89.94%, graphite 4.7%, barium sulfate 1.5%, HA1681,0.5%, calcium stearate 0.06%, and electrolyte 3.1%. Acetylene black is also added into the components, and the percentage of the total amount of the acetylene black is 0.2 percent. The manganese powder is a mixture of high-pressure manganese and low-pressure manganese according to the mass ratio of 1:2, electrolytic manganese dioxide is further added into the manganese powder, and the mass ratio of the electrolytic manganese dioxide to the mixture is 1:3. The fineness of the graphite in the manganese powder is 1200 meshes.
Example 3:
the positive electrode material of the alkaline battery comprises the following components in percentage by weight: 89.9% of manganese powder, 4.9% of graphite, 1.5% of barium sulfate, 1681,0.5% of HA, 0.06% of calcium stearate and 3.1% of electrolyte. Acetylene black is also added into the components, and the percentage of the total amount of the acetylene black is 0.1 percent. The manganese powder is a mixture of high-pressure manganese and low-pressure manganese according to the mass ratio of 1:3, electrolytic manganese dioxide is further added into the manganese powder, and the mass ratio of the electrolytic manganese dioxide to the mixture is 1:3. The fineness of the graphite in the manganese powder is 1200 meshes.
Example 4:
an alkaline battery positive electrode material comprises the following components in percentage by weight: 90.4% of manganese powder, 5.4% of graphite, 1.5% of barium sulfate, 1681,0.6% of HA, 0.06% of calcium stearate and 3.1% of electrolyte. Acetylene black is also added into the components, and the percentage of the total amount of the acetylene black is 0.2 percent. The manganese powder is a mixture of high-pressure manganese and low-pressure manganese according to the mass ratio of 2:3, electrolytic manganese dioxide is further added into the manganese powder, and the mass ratio of the electrolytic manganese dioxide to the mixture is 1:3. The fineness of the graphite in the manganese powder is 1200 meshes.
Example 5:
the positive electrode material of the alkaline battery comprises the following components in percentage by weight: 90.4% of manganese powder, 5.4% of graphite, 1.5% of barium sulfate, 1681,0.6% of HA, 0.06% of calcium stearate and 3.1% of electrolyte. Acetylene black is also added into the components, and the percentage of the total amount of the acetylene black is 0.2 percent. The manganese powder is single manganese powder, electrolytic manganese dioxide is also added into the manganese powder, and the mass ratio of the electrolytic manganese dioxide to the mixture is 1:3. The fineness of the graphite in the manganese powder is 1200 meshes. Example 5 the manganese powder added was a single manganese powder as a control from example 1 to example 4.
As shown in Table 1, examples 1 to 5 correspond to 1# -5# batteries, and 9 1# -5# batteries were subjected to pulse discharge for 10 cycles per hour at normal temperature until the closed circuit voltage was reduced to 1.05V. After the discharge was completed, the cumulative number of cycles until 1.05V had been discharged was calculated, and the results of the discharge performance of five cells were obtained.
TABLE 1# -5# Battery discharge behavior
| Battery numbering | Ratio of two kinds of manganese powder | Amount of acetylene black/%) | Discharge time/cut-off 1.05V |
| 1# | 1:1 | 0.1 | 115 |
| 2# | 1:2 | 0.2 | 118 |
| 3# | 1:3 | 0.1 | 120 |
| 4# | 2:3 | 0.2 | 122 |
| 5# | / | 0.2 | 101 |
As can be seen from the data in Table 1, the battery prepared by the formula has better comprehensive performance compared with a 5# battery adopting single manganese powder when the mixture doped with two manganese powders is added into the battery anode material, the doping ratio of the two manganese powders is about 2:3, and the performance of the battery is better when the dosage of acetylene black is about 0.2%.
The present embodiment is only illustrative and not restrictive, and those skilled in the art can modify the present embodiment as required without inventive contribution after reading the present specification, but only protected by the scope of the claims of the present invention.
Claims (5)
1. The positive electrode material of the alkaline battery is characterized by comprising the following components in percentage by weight: 88.9 to 90.5 percent of manganese powder, 4.5 to 5.9 percent of graphite, 1.3 to 1.5 percent of barium sulfate, 0.1 to 0.6 percent of HA1681, 0.01 to 0.07 percent of calcium stearate and 2.9 to 3.1 percent of electrolyte.
2. The alkaline battery positive electrode material according to claim 1, characterized in that: the manganese powder is a mixture of high-pressure manganese and low-pressure manganese according to the mass ratio of 1-2:2-3.
3. The alkaline battery positive electrode material according to claim 2, characterized in that: electrolytic manganese dioxide is also added into the manganese powder, and the mass ratio of the electrolytic manganese dioxide to the manganese powder is 1:3.
4. The alkaline battery positive electrode material according to claim 1, characterized in that: acetylene black is added into the components, and the percentage of the total amount of the acetylene black is 0.1 to 0.2 percent.
5. The alkaline battery positive electrode material according to claim 1, characterized in that: the fineness of the graphite is 1200 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010675779.2A CN111682189A (en) | 2020-07-14 | 2020-07-14 | Anode material of alkaline battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010675779.2A CN111682189A (en) | 2020-07-14 | 2020-07-14 | Anode material of alkaline battery |
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| Publication Number | Publication Date |
|---|---|
| CN111682189A true CN111682189A (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010675779.2A Pending CN111682189A (en) | 2020-07-14 | 2020-07-14 | Anode material of alkaline battery |
Country Status (1)
| Country | Link |
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| CN (1) | CN111682189A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218229A (en) * | 2014-09-02 | 2014-12-17 | 中银（宁波）电池有限公司 | Positive electrode of alkaline battery and preparation method of positive electrode |
| CN109273708A (en) * | 2018-10-10 | 2019-01-25 | 嘉兴华荣电池有限公司 | Alkaline battery positive electrode powder |
-
2020
- 2020-07-14 CN CN202010675779.2A patent/CN111682189A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218229A (en) * | 2014-09-02 | 2014-12-17 | 中银（宁波）电池有限公司 | Positive electrode of alkaline battery and preparation method of positive electrode |
| CN109273708A (en) * | 2018-10-10 | 2019-01-25 | 嘉兴华荣电池有限公司 | Alkaline battery positive electrode powder |
Non-Patent Citations (1)
| Title |
|---|
| 范文高: ""干电池生产中MnO2的搭配"", 《基础科学》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Application publication date: 20200918 |
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| RJ01 | Rejection of invention patent application after publication |