CN110010885A - Aluminium-air cell anode material and preparation method thereof - Google Patents

Aluminium-air cell anode material and preparation method thereof Download PDF

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Publication number
CN110010885A
CN110010885A CN201910276182.8A CN201910276182A CN110010885A CN 110010885 A CN110010885 A CN 110010885A CN 201910276182 A CN201910276182 A CN 201910276182A CN 110010885 A CN110010885 A CN 110010885A
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CN
China
Prior art keywords
aluminium
anode material
air cell
aluminum
base composite
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.)
Pending
Application number
CN201910276182.8A
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Chinese (zh)
Inventor
任建明
付超鹏
张佼
孙宝德
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Shanghai Jiaotong University
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Shanghai Jiaotong University
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Priority to CN201910276182.8A priority Critical patent/CN110010885A/en
Publication of CN110010885A publication Critical patent/CN110010885A/en
Pending legal-status Critical Current

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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
    • H01M12/00—Hybrid cells; Manufacture thereof
    • H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
    • H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
    • 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
    • H01M4/46—Alloys based on magnesium or aluminium
    • H01M4/463—Aluminium based
    • 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
    • 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)
  • Hybrid Cells (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

A kind of aluminium-air cell anode material and preparation method thereof, aluminium-air cell anode material therein is using rare earth oxide as raw material, smelting, refining and casting obtain, so by by the aluminum-base composite anode material and the cathode being made of Catalytic Layer, nickel screen conducting matrix grain and waterproof ventilative layer, by modified MnO2The Catalytic Layer that catalyst, active carbon and polytetrafluoroethylene (PTFE) form and the NaCl as electrolyte or NaOH solution are assembled into aluminium-air cell.The aluminium-air cell of aluminium anodes preparation of the present invention shows higher discharge voltage and battery utilization rate.

Description

Aluminium-air cell anode material and preparation method thereof
Technical field
The present invention relates to a kind of technology in aluminium-air cell field, specifically a kind of aluminium-air cell anode material and Preparation method.
Background technique
Aluminium-air cell is anode using raffinal Al or aluminium alloy as cathode, oxygen, with sodium chloride (NaCl) or hydrogen Sodium oxide molybdena (NaOH) aqueous solution is electrolyte.Aluminium absorbs the oxygen in air, chemical reaction is generated in battery discharge, aluminium is water-soluble It is oxidized in liquid and is converted into aluminium hydroxide.Although aluminum cell is more outstanding in terms of specific energy and environmental protection, however, there are also Certain problem limits its development and application, leads to activation capacity not as aluminium electrode surface is easy one layer of fine and close oxidation film of generation Foot, parasitic gas-evolving electrodes are serious in alkaline medium, catalyst of high activity is costly and the problems such as battery structure system complex. Compared to other aluminum cells, aluminium/air cell structure is simple, cost is relatively low, and development prospect is wide.Therefore, how aluminium anodes is improved The activation capacity of alloy material discloses it and reacts activating mechanism and develop the aluminum alloy anode of high activity, low self-corrosion, And reduce its cost as much as possible, it will be later aluminium/air cell aluminium anodes alloy material research Main way.
Summary of the invention
The present invention, which is easy one layer of fine and close oxidation film of generation for existing aluminium electrode surface, leads to activation capacity deficiency, electrolysis The parasitic serious defect of gas-evolving electrodes in liquid proposes a kind of aluminium-air cell anode material and preparation method thereof, using aluminium as matrix, Add appropriate metal oxide MnO2、SiO2、TiO2、ZrO2, effective activation aluminum alloy anode and its liberation of hydrogen self-corrosion speed can be reduced The addition of rate, trace rare-earth element can be with refining grain size, and can form dense oxidation film with surfaces of aluminum anode surface and mention Battery operating voltage is risen, battery overall characteristic is obviously improved.
The present invention is achieved by the following technical solutions:
The present invention relates to a kind of preparation methods of aluminium-air cell anode material, using rare earth oxide as raw material, smelting, Refining and casting obtain, in which: smelting temperature is 750-780 DEG C, soaking time 30-90min；Fusion process is in protective atmosphere Lower progress.
The protective atmosphere is nitrogen or argon gas.
The present invention relates to the aluminum-base composite anode materials for the metal oxide enhancing that the above method is prepared, and be averaged grain Diameter is 200nm-50 μm, and gross mass 1%-5% is rare earth oxide, and surplus is aluminium and aluminium alloy.
The rare earth oxide is MnO2、SiO2、TiO2Or ZrO2。
The present invention relates to application of the aluminum-base composite anode material of above-mentioned metal oxide enhancing in aluminium-air cell, will The aluminum-base composite anode material be made of Catalytic Layer, nickel screen conducting matrix grain and waterproof ventilative layer cathode, by modified MnO2 The Catalytic Layer that catalyst, active carbon and polytetrafluoroethylene (PTFE) form and the NaCl as electrolyte or NaOH solution are assembled into aluminium sky Pneumoelectric pond.
Technical effect
Compared with prior art, the aluminium-air cell of aluminium anodes preparation of the present invention shows higher discharge voltage and battery Utilization rate.
Detailed description of the invention
Fig. 1 is embodiment and contrast sample open-circuit voltage schematic diagram；
Fig. 2 is 2 metallograph of embodiment；
Fig. 3 is 2 metallograph of embodiment.
Specific embodiment
Embodiment 1
The preparation method of the aluminum-base composite anode material of the metal oxide enhancing of the present embodiment, comprising the following steps:
1, aluminium ingot alloy under protection of argon gas, is heated to 780 DEG C, keeps the temperature 60min；
2, oxide is added, being sufficiently stirred keeps melting sources uniform, keeps the temperature 5min；
3, bulk alloy ingot is poured into after the completion of refining.
The aluminum-base composite anode material of metal oxide that the present embodiment is prepared enhancing, wherein MnO2Content is 1.2%, average grain diameter 600nm, surplus are that 4N is pure.
Embodiment 2
The preparation method of the aluminum-base composite anode material of the metal oxide enhancing of the present embodiment, comprising the following steps:
1, aluminium ingot alloy under protection of argon gas, is heated to 760 DEG C, keeps the temperature 30min；
2, oxide and magnalium intermediate alloy is added, being sufficiently stirred keeps melting sources uniform, keeps the temperature 5min；
3, bulk alloy ingot is poured into after the completion of refining.
The aluminum-base composite anode material of metal oxide that the present embodiment is prepared enhancing, wherein SiO2Content is 2.0%, partial size 200nm, content of magnesium 2%, surplus are 4N fine aluminium.
Embodiment 3
The preparation method of the aluminum-base composite anode material of the metal oxide enhancing of the present embodiment, comprising the following steps:
1, aluminium ingot alloy under protection of argon gas, is heated to 760 DEG C, keeps the temperature 30min；
2, oxide is added, being sufficiently stirred keeps melting sources uniform；
3, bulk alloy ingot is poured into after the completion of refining.
The aluminum-base composite anode material for the metal oxide enhancing that the present embodiment is prepared, wherein ZrO2 content is 3%, Average grain diameter is that 10 μm of surpluses are 5052 aluminium alloys.
Embodiment 4
The preparation method of the aluminum-base composite anode material of the metal oxide enhancing of the present embodiment, comprising the following steps:
1, aluminium ingot alloy under protection of argon gas, is heated to 770 DEG C, keeps the temperature 30min；
2, oxide is added, being sufficiently stirred keeps melting sources uniform；
3, bulk alloy ingot is poured into after the completion of refining.
The aluminum-base composite anode material of metal oxide that the present embodiment is prepared enhancing, wherein TiO2Content is 4%, Average grain diameter is that 20 μm of surpluses are 4N fine aluminium.
Self-corrosion test and battery performance detection are carried out to above-mentioned rare earth aluminum alloy material, following performance is obtained and compares:
Above-mentioned specific implementation can by those skilled in the art under the premise of without departing substantially from the principle of the invention and objective with difference Mode carry out local directed complete set to it, protection scope of the present invention is subject to claims and not by above-mentioned specific implementation institute Limit, each implementation within its scope is by the constraint of the present invention.

Claims (5)

1. a kind of preparation method of aluminium-air cell anode material, which is characterized in that using rare earth oxide as raw material, smelting, Refining and casting obtain, in which: smelting temperature is 750-780 DEG C, soaking time 30-90min；Fusion process is in protective atmosphere Lower progress.
2. according to the method described in claim 1, it is characterized in that, the protective atmosphere be nitrogen or argon gas.
3. a kind of aluminum-base composite anode material of the metal oxide that method according to claim 1 or claim 2 is prepared enhancing, It is characterized in that, its average grain diameter is 200nm-50 μm, gross mass 1%-5% is rare earth oxide, and surplus is aluminium and aluminium alloy.
4. aluminum-base composite anode material according to claim 3, characterized in that the rare earth oxide is MnO2、 SiO2、TiO2Or ZrO2。
5. a kind of aluminum-base composite anode material of the enhancing of the metal oxide according to any of the above-described claim is in aluminium air electricity Application in pond, which is characterized in that by the aluminum-base composite anode material and by Catalytic Layer, nickel screen conducting matrix grain and waterproof ventilative layer The cathode of composition, by modified MnO2Catalyst, active carbon and polytetrafluoroethylene (PTFE) composition Catalytic Layer and as electrolyte NaCl or NaOH solution are assembled into aluminium-air cell.
CN201910276182.8A 2019-04-08 2019-04-08 Aluminium-air cell anode material and preparation method thereof Pending CN110010885A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910276182.8A CN110010885A (en) 2019-04-08 2019-04-08 Aluminium-air cell anode material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910276182.8A CN110010885A (en) 2019-04-08 2019-04-08 Aluminium-air cell anode material and preparation method thereof

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Publication Number Publication Date
CN110010885A true CN110010885A (en) 2019-07-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110783664A (en) * 2019-12-09 2020-02-11 王新跃 Container type aluminum electrode
CN110911671A (en) * 2019-12-09 2020-03-24 王新跃 Aluminum air battery aluminum pole plate material, aluminum air battery aluminum pole plate and preparation method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102820472A (en) * 2012-08-07 2012-12-12 河南科技大学 Manganese-aluminum containing anode material and preparation method thereof, as well as air cell prepared by using anode material
CN106676343A (en) * 2016-11-29 2017-05-17 中国电子科技集团公司第十八研究所 Aluminum alloy anode material for seawater battery and preparation method thereof
CN108179325A (en) * 2018-01-26 2018-06-19 河南科技大学 A kind of microalloying of rare earth aluminum alloy anode material and its preparation method and application
CN109321766A (en) * 2018-10-22 2019-02-12 昆明理工大学 A kind of aluminium-air cell anode material and preparation method thereof
CN109396426A (en) * 2018-11-20 2019-03-01 昆明理工大学 A kind of preparation method of aluminium-air cell anode material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102820472A (en) * 2012-08-07 2012-12-12 河南科技大学 Manganese-aluminum containing anode material and preparation method thereof, as well as air cell prepared by using anode material
CN106676343A (en) * 2016-11-29 2017-05-17 中国电子科技集团公司第十八研究所 Aluminum alloy anode material for seawater battery and preparation method thereof
CN108179325A (en) * 2018-01-26 2018-06-19 河南科技大学 A kind of microalloying of rare earth aluminum alloy anode material and its preparation method and application
CN109321766A (en) * 2018-10-22 2019-02-12 昆明理工大学 A kind of aluminium-air cell anode material and preparation method thereof
CN109396426A (en) * 2018-11-20 2019-03-01 昆明理工大学 A kind of preparation method of aluminium-air cell anode material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
S. M. A. SHIBLI等: "Development of MnO2-incorporated high performance aluminum alloy matrix sacrificial anodes", 《JOURNAL OF APPLIED ELECTROCHEMISTRY》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110783664A (en) * 2019-12-09 2020-02-11 王新跃 Container type aluminum electrode
CN110911671A (en) * 2019-12-09 2020-03-24 王新跃 Aluminum air battery aluminum pole plate material, aluminum air battery aluminum pole plate and preparation method

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