CN106654213A - Preparation method of negative electrode material for nickel-zinc cell - Google Patents
Preparation method of negative electrode material for nickel-zinc cell Download PDFInfo
- Publication number
- CN106654213A CN106654213A CN201611255124.XA CN201611255124A CN106654213A CN 106654213 A CN106654213 A CN 106654213A CN 201611255124 A CN201611255124 A CN 201611255124A CN 106654213 A CN106654213 A CN 106654213A
- Authority
- CN
- China
- Prior art keywords
- zinc
- nickel
- negative electrode
- electrode material
- titanate
- 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.)
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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
- H01M10/30—Nickel 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
- H01M4/36—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
-
- 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
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
-
- 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)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention belongs to the field of cells, and relates to a preparation method of a negative electrode material for a nickel-zinc cell. The preparation method comprises two specific steps as follows: mixing and stirring zinc compound and titanate in mass ratio of 1: 0.2-4 at room temperature, guaranteeing that the zinc compound and the titanate are uniformly mixed; and heating and sintering a mixture obtained in the first step for 30min or more to obtain the negative electrode material with a cage structure. The preparation method disclosed by the invention has the advantages that the polyoxometallate is firstly used as the negative electrode material of the nickel-zinc cell to form the cage structure, thereby better adsorbing alkali and conducting OH-; meanwhile, the high performance and long life of the zinc-bromine cell are guaranteed by use of the characteristic that the negative electrode material is undissolved in any alkali; the cage structure further can prevent the dentritic crystal problem of the zinc; and the negative electrode material is low in cost, has a certain application value and market prospect, and makes the nickel-zinc cell industrialization possible.
Description
Technical field
The invention belongs to field of batteries, is related to a kind of preparation method of the negative material for nickel-zinc cell.
Background technology
Nickel-zinc cell is a kind of High-performance green secondary power battery, high with specific energy, low temperature performance well and memoryless
Effect.Real " green battery " will not be described as to environment, grind with wide during production and use
Study carefully prospect.
The electrochemical reaction of Ni-MH secondary battery is the reaction carried out in alkaline solution, and the response speed of zinc is mainly subject to
Liquid phase diffusing step affects.Because macroscopic property is unstable, charging product zincate and discharging product ZnO are caused in alkaline solution
Middle dissolving, thus results in the problems such as zinc load deformation, dendritic growth and passivation and self-corrosion so that electrode failure and battery are followed
The decay in ring life-span.
The content of the invention
In order to solve the above problems, the present invention provides a kind of preparation method of the negative material for nickel-zinc cell, described
Negative material do not dissolve in any strong base solution, while its distinctive cagelike structure can allow alkali to pass through in its intramolecule again；
Negative material is cheap for manufacturing cost, ensure that high-performance and the long-life of zinc-bromine bettery, is with a wide range of applications.
To reach above-mentioned purpose, the technical solution used in the present invention is：
A kind of preparation method of the negative material for nickel-zinc cell, comprises the following steps：
The first step, is 1 by zinc compound and titanate under room temperature in mass ratio:0.2～4 mixes, it is ensured that the two is mixed
Close uniform；Described titanate includes potassium titanate, sodium titanate, calcium titanate or zinc titanate；Affiliated zinc compound includes Zinc Oxide, chlorine
Change zinc or zincate.
Second step, the mixture heat-agglomerating that the first step is obtained more than 30 minutes, obtains negative material；The heating temperature
Degree is not less than 100 DEG C；Described negative material has cage structure, insoluble in strong base solution, can be used in nickel-zinc cell.
The invention has the beneficial effects as follows：The invention has the beneficial effects as follows：The present invention is first by polyoxometallate as nickel
The negative material of zinc battery, forms cage structure, can be very good to adsorb alkali and conduction OH-, while not dissolved in using it any
The characteristic of alkali, it is ensured that the high-performance of zinc-bromine bettery and long-life；The cage structure can also prevent the dendrite problems of zinc；Low cost
It is honest and clean, with certain using value and market prospect, for nickel-zinc cell industrialization possibility is provided.
Description of the drawings
Fig. 1 is the X-ray powder diffraction spectrogram of negative material.
Specific embodiment
Hereinafter the present invention will be further described.
Embodiment 1
Step 1：By 10 grams of Zinc Oxide and 15 grams of potassium titanates mix 1 hour it is stand-by.
Step 2：Stand-by material in step 1 is placed in crucible, it is cold in 500 degrees Centigrade 5 hours in heating furnace
But negative material is obtained final product afterwards.This composite is covered and is applied on copper mesh as negative pole, and cover cobalt ball-type nickel positive pole and microporous membrane group
Into nickel-zinc cell, battery open circuit 1.80V, per milligram of electricity that can release 160 MAHs.
Embodiment 2
Step 1：By 20 grams of Zinc Oxide and 25 grams of calcium titanates mix 1 hour it is stand-by.
Step 2：Stand-by material in step 1 is placed in crucible, it is cold in 700 degrees Centigrade 3 hours in heating furnace
But negative material is obtained final product afterwards.This composite is covered and is coated on copper mesh as negative pole, and cover cobalt ball-type nickel positive pole, microporous membrane composition
Nickel-zinc cell, battery open circuit 1.80V, per milligram of electricity that can release 150 MAHs.
Embodiment 3
Step 1：By 20 grams of potassium zincates and 15 grams of zinc titanates mix 1 hour it is stand-by.
Step 2：Stand-by material in step 1 is placed in crucible, it is cold in 300 degrees Centigrade 7 hours in heating furnace
But negative material is obtained final product afterwards.
Embodiment 4
Step 1：By 30 grams of zinc chloride and 75 grams of sodium titanates mix 2 hours it is stand-by.
Step 2：Stand-by material in step 1 is placed in crucible, it is cold in 800 degrees Centigrade 3 hours in heating furnace
But negative material is obtained final product afterwards.
Claims (1)
1. a kind of preparation method of the negative material for nickel-zinc cell, it is characterised in that following steps：
The first step, is 1 by zinc compound and titanate under room temperature in mass ratio:0.2～4 mixes, it is ensured that the two mixing is equal
It is even；Described titanate includes potassium titanate, sodium titanate, calcium titanate or zinc titanate；Affiliated zinc compound includes Zinc Oxide, zinc chloride
Or zincate；
Second step, the mixture heat-agglomerating that the first step is obtained more than 30 minutes, obtains negative material；The heating-up temperature is not
Less than 100 DEG C；Described negative material has cage structure, can be used in nickel-zinc cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611255124.XA CN106654213A (en) | 2016-12-30 | 2016-12-30 | Preparation method of negative electrode material for nickel-zinc cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611255124.XA CN106654213A (en) | 2016-12-30 | 2016-12-30 | Preparation method of negative electrode material for nickel-zinc cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106654213A true CN106654213A (en) | 2017-05-10 |
Family
ID=58837314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611255124.XA Pending CN106654213A (en) | 2016-12-30 | 2016-12-30 | Preparation method of negative electrode material for nickel-zinc cell |
Country Status (1)
| Country | Link |
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| CN (1) | CN106654213A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107628595A (en) * | 2017-09-03 | 2018-01-26 | 河南师范大学 | Polynary layered hydroxide of zinc-nickel secondary batteries negative material zinc titanium and preparation method thereof and the battery using the negative material |
| CN107697897A (en) * | 2017-09-03 | 2018-02-16 | 河南师范大学 | Polynary layered oxide of zinc-nickel secondary batteries negative material zinc titanium and preparation method thereof and the battery using the negative material |
| CN109585815A (en) * | 2018-11-16 | 2019-04-05 | 大连理工大学 | A kind of nickel-zinc cell method for preparing anode material adulterating phosphomolybdic acid |
| CN111106373A (en) * | 2018-10-25 | 2020-05-05 | 中国科学院大连化学物理研究所 | Zinc-bromine storage battery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4041221A (en) * | 1976-07-27 | 1977-08-09 | Yardney Electric Corporation | Zinc electrodes and methods of making same |
| CN1744358A (en) * | 2005-09-28 | 2006-03-08 | 浙江工业大学 | A kind of additive of chargeable zinc electrode, preparation method and application thereof |
| CN101325256A (en) * | 2008-07-25 | 2008-12-17 | 新乡联达华中电源有限公司 | Zinc cathode of zinc-nickel secondary battery and method for coating oxide on surface of zinc oxide |
| CN101841034A (en) * | 2010-05-27 | 2010-09-22 | 复旦大学 | Negative material for zinc-nickel battery and method for preparing same |
| CN104617268A (en) * | 2015-01-23 | 2015-05-13 | 重庆大学 | Zinc cathode material of nickel-zinc battery as well as preparation method and application of zinc cathode material |
-
2016
- 2016-12-30 CN CN201611255124.XA patent/CN106654213A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4041221A (en) * | 1976-07-27 | 1977-08-09 | Yardney Electric Corporation | Zinc electrodes and methods of making same |
| CN1744358A (en) * | 2005-09-28 | 2006-03-08 | 浙江工业大学 | A kind of additive of chargeable zinc electrode, preparation method and application thereof |
| CN101325256A (en) * | 2008-07-25 | 2008-12-17 | 新乡联达华中电源有限公司 | Zinc cathode of zinc-nickel secondary battery and method for coating oxide on surface of zinc oxide |
| CN101841034A (en) * | 2010-05-27 | 2010-09-22 | 复旦大学 | Negative material for zinc-nickel battery and method for preparing same |
| CN104617268A (en) * | 2015-01-23 | 2015-05-13 | 重庆大学 | Zinc cathode material of nickel-zinc battery as well as preparation method and application of zinc cathode material |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107628595A (en) * | 2017-09-03 | 2018-01-26 | 河南师范大学 | Polynary layered hydroxide of zinc-nickel secondary batteries negative material zinc titanium and preparation method thereof and the battery using the negative material |
| CN107697897A (en) * | 2017-09-03 | 2018-02-16 | 河南师范大学 | Polynary layered oxide of zinc-nickel secondary batteries negative material zinc titanium and preparation method thereof and the battery using the negative material |
| CN107697897B (en) * | 2017-09-03 | 2019-11-29 | 河南师范大学 | Polynary layered oxide of zinc-nickel secondary batteries negative electrode material zinc titanium and preparation method thereof and the battery for using the negative electrode material |
| CN107628595B (en) * | 2017-09-03 | 2019-12-20 | 河南师范大学 | Zinc-titanium multi-component layered hydroxide as cathode material of zinc-nickel secondary battery, preparation method thereof and battery using cathode material |
| CN111106373A (en) * | 2018-10-25 | 2020-05-05 | 中国科学院大连化学物理研究所 | Zinc-bromine storage battery |
| CN111106373B (en) * | 2018-10-25 | 2021-05-25 | 中国科学院大连化学物理研究所 | Zinc-bromine storage battery |
| CN109585815A (en) * | 2018-11-16 | 2019-04-05 | 大连理工大学 | A kind of nickel-zinc cell method for preparing anode material adulterating phosphomolybdic acid |
| CN109585815B (en) * | 2018-11-16 | 2021-08-10 | 大连理工大学 | Preparation method of phosphomolybdic acid-doped nickel-zinc battery positive electrode material |
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