CN109065849B - Zinc-silver battery cathode and zinc-silver battery - Google Patents
Zinc-silver battery cathode and zinc-silver battery Download PDFInfo
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- CN109065849B CN109065849B CN201810666811.3A CN201810666811A CN109065849B CN 109065849 B CN109065849 B CN 109065849B CN 201810666811 A CN201810666811 A CN 201810666811A CN 109065849 B CN109065849 B CN 109065849B
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- aqueous solution
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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
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/24—Alkaline accumulators
- H01M10/32—Silver accumulators
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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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
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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
- H01M4/24—Electrodes for alkaline accumulators
- H01M4/26—Processes of manufacture
- H01M4/28—Precipitating active material on the carrier
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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
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
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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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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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- 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)
- Composite Materials (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
The invention discloses a capacitor material for a zinc-silver battery cathode, which is prepared from activated carbon, acetylene black, a binder, a carboxymethyl cellulose aqueous solution and the balance of water, wherein the weight percentages of the components are as follows: 18-26% of activated carbon, 1-2.5% of acetylene black, 2-4% of a binder, 30-38% of a carboxymethyl cellulose aqueous solution, 5-10% of solid content of the carboxymethyl cellulose aqueous solution, and 40-55% of solid content of the binder, which is a carboxylated styrene-butadiene emulsion; the invention also discloses a method for preparing the capacitor material for the cathode of the zinc-silver battery; the capacitor material prepared by the invention is coated on the cathode of the zinc-silver battery, so that the zinc-silver battery can carry out pulse discharge with the discharge rate of 20C, the discharge rate is improved by more than one time compared with the discharge rate of zinc-silver oxide without the capacitor slurry coated on the cathode, and the requirement of a space system on large-current discharge is met.
Description
Technical Field
The invention belongs to the technical field of battery materials, and particularly relates to a zinc-silver battery cathode and a zinc-silver battery.
Background
The zinc-silver battery is a novel chemical power supply developed in the early 40 th of the 20 th century, has the advantages of high specific energy, large specific power, stable discharge voltage, good charge acceptance, good safety, capability of high-rate current discharge and the like compared with other chemical power supplies, is a battery with the highest specific energy in the existing aqueous electrolyte secondary batteries, is used in the fields of military, national defense and advanced science and technology with strict requirements on volume and weight, and is used as a direct-current power supply for communication, illumination, instruments and meters and power supplies of special equipment. The device can be used in airplanes, torpedoes, submarines, missiles, space vehicles, ground electronic instruments and other special applications, and always keeps the situation of long duration and invisibility.
Although the discharge rate of the domestic high-rate zinc-silver battery reaches about 10C at present, the 20C rate pulse discharge requirement of a novel aerospace system cannot be met.
The zinc-silver oxide battery has the high-current discharge capacity of the super capacitor by coating a layer of capacitance slurry on the negative plate of the zinc-silver oxide battery.
Disclosure of Invention
The invention aims to design a zinc-silver battery cathode in order to meet the special power supply requirement of an aerospace system and improve the large-current discharge capacity of a zinc-silver battery according to the defects of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a capacitor material coated on a negative plate of a zinc-silver battery is prepared from activated carbon, acetylene black, a binder, a carboxymethyl cellulose aqueous solution and the balance of water, wherein the weight percentages of the components are as follows:
18 to 26 percent of active carbon
1 to 2.5 percent of acetylene black
2 to 4 percent of binder
30 to 38 percent of carboxymethyl cellulose aqueous solution.
The solid content of the carboxymethyl cellulose aqueous solution is 5-10%.
The binder adopts carboxylic styrene-butadiene emulsion, and the solid content of the binder is 40-55%.
The invention also discloses a zinc-silver battery based on the zinc-silver battery cathode, and the preparation method comprises the following steps:
1) mixing acetylene black and active carbon according to the formula proportion and sieving the mixture by a 100-mesh sieve;
2) adding the binder, the carboxymethyl cellulose solution and the water according to the formula ratio, and uniformly stirring;
3) uniformly coating the slurry obtained in the step 2) on a negative plate by using a small coating machine, wherein the thickness is controlled to be 50-100 mu m;
4) putting the coated negative plate into a vacuum drying oven for drying;
5) and preparing the dried negative plate into a battery according to a zinc-silver oxide battery process.
The invention has the beneficial effects that: the capacitor material prepared by the invention is coated on the cathode of the zinc-silver battery, so that the zinc-silver battery can carry out pulse discharge with the discharge rate of 20C, the discharge rate is improved by more than one time compared with the discharge rate of zinc-silver oxide without the capacitor slurry coated on the cathode, and the requirement of a space system on large-current discharge is met.
Detailed Description
The present invention will be described in further detail with reference to examples.
Example 1
A capacitor material for a cathode of a zinc-silver battery is prepared from activated carbon, acetylene black, a binder, water and a carboxymethyl cellulose aqueous solution, wherein the weight percentages of the components are as follows:
18 percent of active carbon
1 percent of acetylene black
2 percent of binder
Carboxymethyl cellulose aqueous solution 38%
And (4) 41 percent of water.
The solid content of the carboxymethyl cellulose aqueous solution is 5%.
The binder adopts carboxylic styrene-butadiene emulsion, and the solid content of the binder is 40%.
Example 2
A capacitor material for a cathode of a zinc-silver battery is prepared from activated carbon, acetylene black, a binder, water and a carboxymethyl cellulose aqueous solution, wherein the weight percentages of the components are as follows:
26 percent of active carbon
2.5 percent of acetylene black
4 percent of binder
30 percent of carboxymethyl cellulose aqueous solution
And (5) water.
The solid content of the carboxymethyl cellulose aqueous solution is 10%.
The binder adopts carboxylic styrene-butadiene emulsion, and the solid content of the binder is 55%.
Example 3
A capacitor material for a cathode of a zinc-silver battery is prepared from activated carbon, acetylene black, a binder, water and a carboxymethyl cellulose aqueous solution, wherein the weight percentages of the components are as follows:
18 percent of active carbon
1 percent of acetylene black
2 percent of binder
30 percent of carboxymethyl cellulose aqueous solution
49 percent of water
The solid content of the carboxymethyl cellulose aqueous solution is 5%.
The binder adopts carboxylic styrene-butadiene emulsion, and the solid content of the binder is 55%.
Example 4
A capacitor material for a cathode of a zinc-silver battery is prepared from activated carbon, acetylene black, a binder, water and a carboxymethyl cellulose aqueous solution, wherein the weight percentages of the components are as follows:
26 percent of active carbon
2.5 percent of acetylene black
4 percent of binder
Carboxymethyl cellulose aqueous solution 38%
29.5 percent of water.
The solid content of the carboxymethyl cellulose aqueous solution is 10%.
The binder adopts carboxylic styrene-butadiene emulsion, and the solid content of the binder is 40%.
Example 5
A capacitor material for a cathode of a zinc-silver battery is prepared from activated carbon, acetylene black, a binder, water and a carboxymethyl cellulose aqueous solution, wherein the weight percentages of the components are as follows:
20 percent of active carbon
2 percent of acetylene black
3 percent of binder
35 percent of carboxymethyl cellulose aqueous solution
40% of water.
The solid content of the carboxymethyl cellulose aqueous solution is 8%.
The binder adopts carboxylic styrene-butadiene emulsion, and the solid content of the binder is 50%.
Example 6
A capacitor material for a cathode of a zinc-silver battery is prepared from activated carbon, acetylene black, a binder, water and a carboxymethyl cellulose aqueous solution, wherein the weight percentages of the components are as follows:
24 percent of active carbon
1.5 percent of acetylene black
3.5 percent of binder
32 percent of carboxymethyl cellulose aqueous solution
39 percent of water.
The solid content of the carboxymethyl cellulose aqueous solution is 6%.
The binder adopts carboxylic styrene-butadiene emulsion, and the solid content of the binder is 43%.
The invention also discloses a method for preparing the capacitor material for the cathode of the zinc-silver battery, which is characterized by comprising the following steps of:
1) mixing acetylene black and active carbon according to the formula proportion and sieving the mixture by a 100-mesh sieve;
2) adding the binder, the carboxymethyl cellulose solution and the water according to the formula ratio, and uniformly stirring;
3) uniformly coating the slurry obtained in the step 2) on a negative plate by using a small coating machine, wherein the thickness is controlled to be 50-100 mu m;
4) putting the coated negative plate into a vacuum drying oven for drying;
5) and preparing the dried negative plate into a battery according to a zinc-silver oxide battery process.
The capacitor material prepared by the invention is coated on the cathode of the zinc-silver battery, so that the zinc-silver battery can carry out pulse discharge with the discharge rate of 20C, the discharge rate is improved by more than one time compared with the discharge rate of zinc-silver oxide without the capacitor slurry coated on the cathode, and the requirement of a space system on large-current discharge is met.
The above-described embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be applied, and it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the inventive concept of the present invention, and these embodiments are within the scope of the present invention.
Claims (2)
1. A zinc-silver battery negative electrode is characterized in that: the capacitor material coated on the negative plate is prepared from activated carbon, acetylene black, a binder, a carboxymethyl cellulose aqueous solution and the balance of water, and the weight percentage of each component is as follows:
18 to 26 percent of active carbon
1 to 2.5 percent of acetylene black
2 to 4 percent of binder
30 to 38 percent of carboxymethyl cellulose aqueous solution;
the solid content of the carboxymethyl cellulose aqueous solution is 5-10 percent;
the binder adopts carboxylic styrene-butadiene emulsion, and the solid content of the binder is 40-55%.
2. A zinc-silver battery, characterized in that, based on the zinc-silver battery negative electrode of claim 1, the preparation method comprises the following steps:
1) mixing acetylene black and active carbon according to the formula proportion and sieving the mixture by a 100-mesh sieve;
2) adding the binder, the carboxymethyl cellulose solution and the water according to the formula ratio, and uniformly stirring;
3) uniformly coating the slurry obtained in the step 2) on a negative plate by using a small coating machine, wherein the thickness is controlled to be 50-100 mu m;
4) putting the coated negative plate into a vacuum drying oven for drying;
5) and preparing the dried negative plate into a battery according to a zinc-silver oxide battery process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810666811.3A CN109065849B (en) | 2018-06-26 | 2018-06-26 | Zinc-silver battery cathode and zinc-silver battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810666811.3A CN109065849B (en) | 2018-06-26 | 2018-06-26 | Zinc-silver battery cathode and zinc-silver battery |
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| Publication Number | Publication Date |
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| CN109065849A CN109065849A (en) | 2018-12-21 |
| CN109065849B true CN109065849B (en) | 2021-07-16 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2867678A (en) * | 1955-01-28 | 1959-01-06 | Yardney International Corp | Negative electrode for silver-zinc batteries |
| CN1971978A (en) * | 2005-11-23 | 2007-05-30 | 比亚迪股份有限公司 | Zinc cathode secondary battery, zinc cathode of the battery and preparation method thereof |
| CN101271973A (en) * | 2008-05-09 | 2008-09-24 | 华南师范大学 | Non-mercury alkaline zinc-manganese and zinc-silver button cell cathode and manufacturing method thereof |
| CN103401030A (en) * | 2013-07-09 | 2013-11-20 | 哈尔滨工程大学 | Aqueous rechargeable magnesium/zinc ion capacitor battery |
| CN103531854A (en) * | 2012-07-04 | 2014-01-22 | 北京精密机电控制设备研究所 | Novel power supply with comprehensive performances of supercapacitor and zinc-silver battery |
| CN103531752A (en) * | 2012-07-04 | 2014-01-22 | 北京精密机电控制设备研究所 | Novel composite electrode and preparation method thereof |
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| CN105612635A (en) * | 2013-10-23 | 2016-05-25 | 百特吉公司 | Composite materials for rechargeable zinc electrodes |
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| GB751320A (en) * | 1954-08-16 | 1956-06-27 | Electric Storage Battery Co | Improvements relating to negative electrodes for electric batteries |
| CN1168544A (en) * | 1997-06-02 | 1997-12-24 | 刘建政 | Accumulator with zinc negative plate |
| US20020055037A1 (en) * | 1999-04-29 | 2002-05-09 | Kenneth Dale Rhoten | Bipolar catalytic cells |
| CN103165861B (en) * | 2013-03-25 | 2015-03-11 | 河南新太行电源有限公司 | Preparation method for negative plate of zinc-silver reserve cell |
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2018
- 2018-06-26 CN CN201810666811.3A patent/CN109065849B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2867678A (en) * | 1955-01-28 | 1959-01-06 | Yardney International Corp | Negative electrode for silver-zinc batteries |
| CN1971978A (en) * | 2005-11-23 | 2007-05-30 | 比亚迪股份有限公司 | Zinc cathode secondary battery, zinc cathode of the battery and preparation method thereof |
| CN101271973A (en) * | 2008-05-09 | 2008-09-24 | 华南师范大学 | Non-mercury alkaline zinc-manganese and zinc-silver button cell cathode and manufacturing method thereof |
| CN103531854A (en) * | 2012-07-04 | 2014-01-22 | 北京精密机电控制设备研究所 | Novel power supply with comprehensive performances of supercapacitor and zinc-silver battery |
| CN103531752A (en) * | 2012-07-04 | 2014-01-22 | 北京精密机电控制设备研究所 | Novel composite electrode and preparation method thereof |
| CN103531757A (en) * | 2012-07-04 | 2014-01-22 | 北京精密机电控制设备研究所 | High-rate pulse discharge zinc-silver battery electrode composite material |
| CN103401030A (en) * | 2013-07-09 | 2013-11-20 | 哈尔滨工程大学 | Aqueous rechargeable magnesium/zinc ion capacitor battery |
| CN105612635A (en) * | 2013-10-23 | 2016-05-25 | 百特吉公司 | Composite materials for rechargeable zinc electrodes |
| CN106207105A (en) * | 2016-09-21 | 2016-12-07 | 贵州梅岭电源有限公司 | A kind of high-performance zinc-silver oxide cell |
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| CN109065849A (en) | 2018-12-21 |
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