CN105185983A - Aluminum ferrate alkaline battery - Google Patents

Aluminum ferrate alkaline battery Download PDF

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Publication number
CN105185983A
CN105185983A CN201510497156.XA CN201510497156A CN105185983A CN 105185983 A CN105185983 A CN 105185983A CN 201510497156 A CN201510497156 A CN 201510497156A CN 105185983 A CN105185983 A CN 105185983A
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CN
China
Prior art keywords
ferrate
battery
aluminum
electrolyte
aqueous solution
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CN201510497156.XA
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Chinese (zh)
Inventor
张雅静
李先兰
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Individual
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Individual
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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
    • H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/521—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of iron for aqueous 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
    • H01M4/362—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
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/04—Cells with aqueous electrolyte

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  • 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)
  • Inorganic Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Primary Cells (AREA)

Abstract

The aluminum ferrate alkaline battery is provided according to the characteristic that the aqueous solution system of the chemical power supply of the anode material of the high iron battery can only be a concentrated strong alkaline aqueous solution; the lithium ion battery comprises a shell, a positive electrode, a negative electrode, alkaline electrolyte and a diaphragm arranged between the positive electrode and the negative electrode; the cathode material is an aluminum cathode, the anode material is ferrate, the electrolyte is NaOH or KOH aqueous solution, and the cathode material and the electrolyte consist of: 10-15% of NaOH or KOH aqueous solution electrolyte and 85-90% of positive electrode material consisting of ferrate and Bi-Sr-Ca-Cu-O compound; the open circuit voltage of the battery is 1.6V-1.65V, the working voltage is 1.2V-1.5V, which is 0.1-0.15V higher than that of the primary battery in the prior art, and the battery has the advantages of stable discharge, no pollution, safety and excellent performance, wherein more than 85 percent of discharge time is 1.2-1.5V.

Description

Aluminum ferrate alkaline battery
Technical Field
The invention belongs to a battery, in particular to a high-iron alkaline battery.
Background
When high iron is used as a positive electrode material of the battery, the electrode reaction is a three-electron reaction, and the potential and the energy of the battery are higher than those of the conventional zinc-manganese battery. Moreover, the material is low in price and has no pollution to the environment, so that the material is widely noticed by the electrochemical field.
Ferrate species can yield 3 electrons in the battery reaction and therefore have a relatively high capacity. The theoretical capacity of lithium ferrate is up to 601Ah/kg. The theoretical capacity of barium ferrate is also 313Ah/kg. And MnO 2 The capacity of (2) is 308Ah/kg. Replacing MnO in commercial zinc-manganese battery by using ferrate as positive electrode material 2 Thus forming the high-speed rail primary battery. The battery reaction is as follows:
MFeO 4 +3/2Zn→1/2Fe 2 O 3 +1/2ZnO+Mz n O 2
in the ferroelectric battery, there are many materials which can be used as the negative electrode of the battery, including zinc, aluminum, iron, cadmium, magnesium, and the like.
At present, iron batteries researched at home and abroad comprise high iron and lithium iron, and the high iron battery is used for synthesizing stable ferrate (K) 2 FeO 4 、BaFeO 4 Etc.) can be used as the anode material of the ferroelectric battery to manufacture the cathode material with large energy density, small volume, light weight, long service life, greenness and no pollution. The product of ferrate after discharge is FeOOH or Fe 2 O 3 -H 2 O, is nontoxic and pollution-free and is environment-friendly. No recycling is required. Because of the characteristic of ferrate conductivity, the prior art of the high iron battery has the defect of being not mature enough and is not widely produced and applied.
Disclosure of Invention
The invention aims to: aiming at the defects of the prior art and the positive electrode material of the ferrate battery, the solubility of the ferrate is poor, and the ferrate is only characterized in that the aqueous solution system of the chemical power supply of the positive electrode material is a concentrated strong alkali aqueous solution; an aluminum ferrate alkaline battery is provided.
The invention relates to an aluminum ferrate alkaline battery, which comprises a shell, a positive electrode material, a negative electrode material, an alkaline electrolyte and a diaphragm arranged between the positive electrode and the negative electrode; the cathode material is an aluminum cathode, the electrolyte is 6-9mol/L NaOH or KOH aqueous solution, and the cathode material and the electrolyte comprise the following components in percentage by weight: electrolyte: 10-15% of 6-9mol/L NaOH or KOH aqueous solution, 85-90% of anode material and 0-3% of auxiliary material adhesive; the method is characterized in that: the positive electrode material comprises 95-99.5% of ferrate and 0.5-5% of superconductor Bi-Sr-Ca-Cu-O compound in percentage by weight.
The ferrate can be conventional K 2 FeO 4 Conventional BaFeO 4 Conventional K 2 FeO 4 And conventional BaFeO 4 One of a mixture of ferrates of (a), a mixture of conventional ferrates and nano ferrates; the conventional ferrate and the nano ferrate are mixed, wherein the nano ferrate is BaFeO 4 Or K 2 FeO 4 Or BaFeO 4 And K 2 F e O 4 One of the nanomaterials of the mixture.
The superconductor Bi-Sr-Ca-Cu-O compound is a nano-scale material.
The aluminum cathode is an aluminum cathode formula and material of an alkaline battery in the prior art.
Compared with the prior art, the invention has the beneficial effects that: the open circuit voltage is 1.6V-1.65V, the working voltage is 1.2V-1.5V, which is 0.1-0.15V higher than that of the primary battery in the prior art, and the discharge is stable, pollution-free, safe and excellent in performance, and more than 85% of the discharge time is 1.2-1.5V.
Drawings
The present invention will be further described with reference to the accompanying drawings, but the embodiments of the present invention are not limited thereto.
FIG. 1 is a schematic view of a battery structure
FIG. 2-Battery manufacturing Process flow diagram
In the figure: the device comprises a metal top cap (1), a plastic sleeve (2), a negative electrode (3), a steel shell (4), a metal outer sleeve (5), an isolation layer (6), a positive electrode material ring (7), a negative electrode current collecting column (8), a plastic bottom (9) and a metal bottom cover insulating washer (10).
Detailed Description
The aluminum ferrate alkaline battery can be manufactured by adopting raw materials and products in the prior art.
The aluminum ferrate alkaline battery has the same battery structure as the prior art, and as shown in figure 1, the aluminum ferrate alkaline battery is formed by combining a metal top cap (1), a plastic sleeve (2), a negative pole (3), a steel shell (4), a metal outer sleeve (5), an isolating layer (6), a positive pole material ring (7), a negative pole current collecting column (8), a plastic bottom (9) and a metal bottom cover insulating washer (10).
The process flow of the aluminum ferrate alkaline battery of the present invention is the same as the prior art, as shown in fig. 2 (process flow diagram).
In the process flow, the amount of the NaOH or KOH aqueous solution for mixing the anode material can be regulated according to the general proportion in the prior art without special control, and can be added according to the total amount of the NaOH or KOH aqueous solution in the formula, wherein the amount of the NaOH or KOH aqueous solution is 10-25 percent; the amount of the NaOH or KOH aqueous solution for mixing the cathode material can be regulated according to the general proportion in the prior art without special control, and can be 5 to 20 percent of the total amount of the NaOH or KOH aqueous solution in the formula. The remaining aqueous NaOH or KOH solution was added for assembly. The auxiliary material adhesive can be common starch, CMC, polyvinyl alcohol and the like in the prior art, and can be controlled within 0-3 percent as required.
The aluminum cathode adopts the formula and the material of the aluminum cathode of the alkaline battery in the prior art.
The positive electrode material is prepared by ball-milling and mixing 95-99.5 percent of ferrate and 0.5-5 percent of superconductor Bi-Sr-Ca-Cu-O compound by weight percentage. The ferrate can be conventional K 2 FeO 4 Conventional BaFeO 4 Conventional K 2 FeO 4 And conventional BaFeO 4 One of a mixture of ferrates of (a), a mixture of conventional ferrates and nano ferrates; the conventional ferrate and the nano ferrate are mixed, wherein the nano ferrate is BaFeO 4 Or K 2 FeO 4 Or BaFeO 4 And K 2 FeO 4 A nanomaterial of one of the mixtures.
The aluminum ferrate alkaline battery is subjected to a discharge test according to the method in the prior art, and the discharge result shows that the open circuit voltage is 1.6V-1.65V, the working voltage is 1.2V-1.5V, the discharge is flat, and more than 85 percent of discharge time is 1.2-1.5V.
( Note: the ferrate alkaline battery of the invention selects the material of the superconductor Bi-Sr-Ca-Cu-O compound, and the battery works at normal temperature, has no relation with the superconducting performance thereof, and does not relate to the application of superconductivity and superconducting technology. )

Claims (3)

1. An aluminum ferrate alkaline battery comprises a shell, a positive electrode material, a negative electrode material, an alkaline electrolyte and a diaphragm arranged between the positive electrode and the negative electrode; the cathode material is an aluminum cathode, the electrolyte is 6-9mol/L NaOH or KOH aqueous solution, and the cathode material and the electrolyte consist of the following components in percentage by weight: electrolyte solution: 10-15% of 6-9mol/L NaOH or KOH aqueous solution, 85-90% of anode material and 0-3% of auxiliary material adhesive; the method is characterized in that: the positive electrode material comprises 95-99.5% of ferrate and 0.5-5% of superconductor Bi-Sr-Ca-Cu-O compound in percentage by weight.
2. The aluminum ferrate alkaline battery of claim 1, wherein: the ferrate is a mixture of conventional ferrate and nano ferrate.
3. The aluminum ferrate alkaline battery of claim 1, wherein: the superconductor Bi-Sr-Ca-Cu-O compound is a nano material.
CN201510497156.XA 2010-10-06 2010-10-06 Aluminum ferrate alkaline battery Pending CN105185983A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010500499.4A CN101997142B (en) 2010-10-06 2010-10-06 Aluminum high-iron alkaline battery

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CN105185983A true CN105185983A (en) 2015-12-23

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CN201010500499.4A Expired - Fee Related CN101997142B (en) 2010-10-06 2010-10-06 Aluminum high-iron alkaline battery

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1268779A (en) * 2000-05-12 2000-10-04 南开大学 Positive electrode of accumulator, and its mfg. method and application
CN1271186A (en) * 2000-05-19 2000-10-25 南开大学 High-capacity high-iron iron battery
CN1346161A (en) * 2000-09-22 2002-04-24 潘军青 High-iron electrode and alkaline high-energy battery thereof
CN1449064A (en) * 2002-04-01 2003-10-15 孙艳芝 Ferrate alkaline accumulator
CN101593845A (en) * 2008-05-26 2009-12-02 何星剑 High-iron-copper accumulator

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101217196A (en) * 2008-01-21 2008-07-09 大庆石油学院 A cathode material of potassium ferrate battery

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1268779A (en) * 2000-05-12 2000-10-04 南开大学 Positive electrode of accumulator, and its mfg. method and application
CN1271186A (en) * 2000-05-19 2000-10-25 南开大学 High-capacity high-iron iron battery
CN1346161A (en) * 2000-09-22 2002-04-24 潘军青 High-iron electrode and alkaline high-energy battery thereof
CN1449064A (en) * 2002-04-01 2003-10-15 孙艳芝 Ferrate alkaline accumulator
CN101593845A (en) * 2008-05-26 2009-12-02 何星剑 High-iron-copper accumulator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘光华等: "《稀土材料与应用技术》", 31 July 2005 *

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CN101997142B (en) 2016-01-20
CN101997142A (en) 2011-03-30

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