CN104810544A - Rechargeable aluminum ion battery and preparation method thereof - Google Patents
Rechargeable aluminum ion battery and preparation method thereof Download PDFInfo
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- CN104810544A CN104810544A CN201510188866.4A CN201510188866A CN104810544A CN 104810544 A CN104810544 A CN 104810544A CN 201510188866 A CN201510188866 A CN 201510188866A CN 104810544 A CN104810544 A CN 104810544A
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- -1 aluminum ion Chemical class 0.000 claims description 34
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 23
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 14
- 239000003792 electrolyte Substances 0.000 claims description 13
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 12
- 239000007774 positive electrode material Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 239000007773 negative electrode material Substances 0.000 claims description 9
- MCTWTZJPVLRJOU-UHFFFAOYSA-N 1-methyl-1H-imidazole Chemical class CN1C=CN=C1 MCTWTZJPVLRJOU-UHFFFAOYSA-N 0.000 claims description 8
- 239000003575 carbonaceous material Substances 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 239000011733 molybdenum Substances 0.000 claims description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- FHDQNOXQSTVAIC-UHFFFAOYSA-M 1-butyl-3-methylimidazol-3-ium;chloride Chemical compound [Cl-].CCCCN1C=C[N+](C)=C1 FHDQNOXQSTVAIC-UHFFFAOYSA-M 0.000 claims description 3
- BMQZYMYBQZGEEY-UHFFFAOYSA-M 1-ethyl-3-methylimidazolium chloride Chemical compound [Cl-].CCN1C=C[N+](C)=C1 BMQZYMYBQZGEEY-UHFFFAOYSA-M 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 229910021397 glassy carbon Inorganic materials 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 239000010955 niobium Substances 0.000 claims description 3
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229910052715 tantalum Inorganic materials 0.000 claims description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical group [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 239000010406 cathode material Substances 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims description 2
- 230000010220 ion permeability Effects 0.000 claims description 2
- 239000002608 ionic liquid Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- JDIIGWSSTNUWGK-UHFFFAOYSA-N 1h-imidazol-3-ium;chloride Chemical compound [Cl-].[NH2+]1C=CN=C1 JDIIGWSSTNUWGK-UHFFFAOYSA-N 0.000 claims 1
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical class CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 claims 1
- 239000004484 Briquette Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- 239000002985 plastic film Substances 0.000 claims 1
- 229920006255 plastic film Polymers 0.000 claims 1
- 239000007772 electrode material Substances 0.000 abstract description 3
- 238000004891 communication Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 abstract 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 6
- 229910001416 lithium ion Inorganic materials 0.000 description 6
- 238000011161 development Methods 0.000 description 4
- 239000011888 foil Substances 0.000 description 3
- JOLFMOZUQSZTML-UHFFFAOYSA-M 1-methyl-3-propylimidazol-1-ium;chloride Chemical compound [Cl-].CCCN1C=C[N+](C)=C1 JOLFMOZUQSZTML-UHFFFAOYSA-M 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000010416 ion conductor Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000012546 transfer Methods 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/134—Electrodes based on metals, Si or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Inorganic Chemistry (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
一种可充电铝离子电池及其制备方法，属于电池技术领域，可广泛应用于电子产业、通讯产业等领域，也可应用于电动汽车的动力电池。本发明提出了一种新型铝离子电池装置，尤其是软包即袋装电池，此铝离子电池装置以隔膜分隔铝离子电池的正负极，以绝缘的软包袋包裹电池正负极，在保护气氛围内组装封闭的电池，只露出导电的正负极耳可连接外电路使用。根据电极制作技术的不同电池可以装成方形或者圆形或其他形状。本发明所提供软包铝离子二次电池具有高容量、充放电效率高、循环稳定性好以及充放电特性优异，且电极材料来源广泛、制备容易、成本低、绿色环保且价格低廉。
A rechargeable aluminum ion battery and a preparation method thereof belong to the field of battery technology and can be widely used in the fields of electronics industry, communication industry and the like, and can also be used in power batteries of electric vehicles. The present invention proposes a new type of aluminum ion battery device, especially a soft pack or bagged battery. The aluminum ion battery device separates the positive and negative electrodes of the aluminum ion battery with a diaphragm, and wraps the positive and negative electrodes of the battery in an insulating soft bag. Assemble a closed battery in a protective gas atmosphere, only the conductive positive and negative tabs are exposed, which can be connected to an external circuit for use. Different batteries according to the electrode manufacturing technology can be packed in square or round or other shapes. The soft-packed aluminum ion secondary battery provided by the present invention has high capacity, high charge and discharge efficiency, good cycle stability and excellent charge and discharge characteristics, and the electrode material has wide sources, easy preparation, low cost, environmental protection and low price.
Description
所属技术领域Technical field
本发明涉及一种可充电铝离子电池及其制备方法，尤其是软包铝离子电池，可作为新型绿色能源电池应用于电子产业、通信产业及电动车动力电池等领域。The invention relates to a rechargeable aluminum-ion battery and a preparation method thereof, especially a soft-packed aluminum-ion battery, which can be used as a new type of green energy battery in the fields of electronics industry, communication industry, electric vehicle power battery and the like.
背景技术Background technique
当前，煤炭、石油和天然气等不可再生化石燃料日益枯竭，环境污染和温室效应日益加剧，能源危机和环境保护成为世界面临的两大难题。因此，开发新型绿色能源和储能设备越来越引起人们的注意。自日本SONY公司成功推出锂离子电池以来，锂离子电池便迅速在电子产品、动力能源、军事领域等多方面得到了广泛的应用，目前正在向电动汽车的动力电池工业方面发展。但是由于锂资源的局限导致成本昂贵以及较大的安全隐患限制了锂离子电池的进一步发展。从而，近年来，作为瞄准高容量化、可代替锂离子的离子导电体，采用多阳离子的课充电电池研究日益活跃。At present, non-renewable fossil fuels such as coal, oil and natural gas are increasingly depleted, environmental pollution and greenhouse effect are increasing, and energy crisis and environmental protection have become two major problems facing the world. Therefore, the development of new green energy sources and energy storage devices has attracted more and more attention. Since Japan's SONY company successfully launched lithium-ion batteries, lithium-ion batteries have been widely used in electronic products, power energy, military fields, etc., and are currently developing into the power battery industry for electric vehicles. However, due to the limitation of lithium resources, the high cost and large safety hazards limit the further development of lithium-ion batteries. Therefore, in recent years, research on rechargeable batteries employing multiple cations has become increasingly active as an ion conductor that can replace lithium ions with the aim of increasing the capacity.
铝元素在地壳中的含量仅次于氧和硅，居第三位，是地壳中含量最丰富的金属元素，而且开采成本低，价格便宜。相对于传统的锂离子，铝离子可以转移三个电子，因此其比容量有很大的开发潜力。此外铝离子半径也小于锂离子半径，有利于离子在电极材料上的脱嵌，从而在理论上有利于保持电极材料的结构，提高电池循环稳定性，延长电池使用寿命。目前，有关铝离子电池的报道还比较少，这主要是因为相关研究还不是很普遍，同时鲜有的报道中所提及的电池比容量等参数还不是很理想，因此未能引起商业的广泛重视。而这就使得开发比容量高，循环性能稳定的铝离子电池变得十分的迫切与重要。The content of aluminum in the earth's crust is second only to oxygen and silicon, ranking third. It is the most abundant metal element in the earth's crust, and the mining cost is low and the price is cheap. Compared with traditional lithium ions, aluminum ions can transfer three electrons, so its specific capacity has great development potential. In addition, the radius of aluminum ions is also smaller than that of lithium ions, which is conducive to the deintercalation of ions on the electrode material, thus theoretically conducive to maintaining the structure of the electrode material, improving the cycle stability of the battery, and prolonging the service life of the battery. At present, there are relatively few reports on aluminum-ion batteries, mainly because the relevant research is not very common, and the parameters such as battery specific capacity mentioned in the few reports are not very ideal, so they have not caused widespread commercial application. Pay attention to. This makes it very urgent and important to develop aluminum-ion batteries with high specific capacity and stable cycle performance.
铝离子可充电池是一种新型电池，在专利：一种铝离子电池及其制备方法(专利受理号：201410115329.2)中提到一种以石墨和铝片组装电池的方法，本发明对其做出了发展改进。Aluminum-ion rechargeable battery is a new type of battery. In the patent: an aluminum-ion battery and its preparation method (patent acceptance number: 201410115329.2), a method of assembling a battery with graphite and aluminum sheets is mentioned. The present invention makes it out of development improvements.
发明内容Contents of the invention
为了推进铝离子电池的实用化，本发明提出了一种新型铝离子电池装置，尤其是软包即袋装电池。In order to promote the practical application of aluminum-ion batteries, the present invention proposes a novel aluminum-ion battery device, especially a pouch battery.
一种可充电铝离子电池，其特征在于包括绝缘软包袋，正极材料、隔膜、负极材料；正极材料、隔膜、负极材料依次组合，都被密封于绝缘软包袋中，只露出正负极耳；正极材料为石墨结构碳材料，负极材料为铝箔或铝片。A rechargeable aluminum-ion battery is characterized in that it includes an insulating soft bag, a positive electrode material, a diaphragm, and a negative electrode material; the positive electrode material, the diaphragm, and the negative electrode material are combined in sequence, and are all sealed in the insulating soft bag, and only the positive and negative electrodes are exposed ear; the positive electrode material is graphite structure carbon material, and the negative electrode material is aluminum foil or aluminum sheet.
正极材料为石墨结构碳材料，包括石墨、碳纸、碳纤维纸、碳纳米管、石墨烯、膨胀石墨及炭黑等，与正极耳接触并由隔膜包裹，负极金属铝与负极耳接触，电池装置中有铝离子电解液，密封方式为热封或胶封。The positive electrode material is a graphite-structured carbon material, including graphite, carbon paper, carbon fiber paper, carbon nanotubes, graphene, expanded graphite, and carbon black. It is in contact with the positive tab and wrapped by a diaphragm. The negative metal aluminum is in contact with the negative tab. There is an aluminum ion electrolyte in it, and the sealing method is heat sealing or glue sealing.
隔膜材料为具有离子通透性且不与正极和负极反应的聚丙烯微孔隔膜材料、聚乙烯微孔隔膜材料以及玻璃纤维材料中的一种。The diaphragm material is one of polypropylene microporous diaphragm material, polyethylene microporous diaphragm material and glass fiber material which has ion permeability and does not react with positive and negative electrodes.
正负极耳选用材料为导电材料，且正负极间彼此绝缘，正极耳为钽、铌、铂、钼、玻碳等，负极耳为铝或钼等。The positive and negative tabs are made of conductive materials, and the positive and negative electrodes are insulated from each other. The positive tabs are made of tantalum, niobium, platinum, molybdenum, glassy carbon, etc., and the negative tabs are made of aluminum or molybdenum.
铝离子电解液由无水氯化铝和3-甲基咪唑类化合物混合而成，铝离子电解液中无水氯化铝和3-甲基咪唑类化合物的摩尔比为1.1:1至1.6:1，所述的3-甲基咪唑类化合物包括1-丁基-3-甲基咪唑氯化物、1-丙基-3-甲基咪唑氯盐、1-乙基-3-甲基咪唑氯化物、1-丁基-3-甲基咪唑四氟硼酸盐、1-丁基-3-甲基咪唑六氟磷酸盐。The aluminum ion electrolyte is formed by mixing anhydrous aluminum chloride and 3-methylimidazole compounds, and the molar ratio of anhydrous aluminum chloride and 3-methylimidazole compounds in the aluminum ion electrolyte is 1.1:1 to 1.6: 1. The 3-methylimidazole compounds include 1-butyl-3-methylimidazolium chloride, 1-propyl-3-methylimidazolium chloride, 1-ethyl-3-methylimidazolium chloride compound, 1-butyl-3-methylimidazolium tetrafluoroborate, 1-butyl-3-methylimidazolium hexafluorophosphate.
可充电铝离子电池形状为方形、圆形或三角形。Rechargeable aluminum-ion batteries are available in square, round or triangular shapes.
具体制备步骤如下：Concrete preparation steps are as follows:
1).作为铝离子电池正极材料为片状如碳纸时，用酒精棉擦洗干净，烘干，并将其与正极耳固定；如为粉末状时，将其与粘结剂混匀，烘成泥状涂在正极集流体上或者压块并与正极耳相连。1). When the anode material of an aluminum ion battery is in the form of a sheet such as carbon paper, wipe it clean with alcohol cotton, dry it, and fix it with the positive electrode ear; if it is in powder form, mix it with the binder and dry it Smear it on the positive current collector or briquetting it into mud and connect it with the positive ear.
2).用隔膜材料将正极材料完全包裹或隔离开；2). Completely wrap or isolate the cathode material with a separator material;
3).将金属铝清洗烘干后作为负极，并与负极耳相连；3). Wash and dry the metal aluminum as the negative electrode and connect it to the negative electrode ear;
4).将正负极依次放入软包袋中，并确保正负极耳未接触；4). Put the positive and negative electrodes into the soft bag in turn, and make sure that the positive and negative electrodes are not in contact with each other;
5).以石墨结构碳材料作为正极、金属铝作为负极、混合均匀的含有可自由移动的Al3+离子的离子液体作为电解质，在充满氩气的手套箱中组装电池(手套箱中的氧气含量及水含量均小于0.1ppm)；最后用热封机进行热封或者胶封。5). With the graphite structure carbon material as the positive electrode, the metal aluminum as the negative electrode, and the uniformly mixed ionic liquid containing freely movable Al 3+ ions as the electrolyte, assemble the battery in a glove box filled with argon (oxygen in the glove box content and water content are less than 0.1ppm); finally use a heat sealing machine for heat sealing or glue sealing.
本发明的有益效果是，所得的电池可以独立工作，也可以多个电池进行串并联组成电池组，以达到实用化的目的。The beneficial effect of the invention is that the obtained battery can work independently, and multiple batteries can be connected in series and parallel to form a battery pack, so as to achieve the purpose of practical use.
附图说明Description of drawings
下面结合附图和实施例对本发明进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
图1是本发明的软包电池结构示意图。Fig. 1 is a schematic diagram of the structure of the pouch battery of the present invention.
图中1正极材料，2.隔膜，3.负极材料，4.正极耳，5.负极耳，6.绝缘软包袋。In the figure, 1 positive electrode material, 2. diaphragm, 3. negative electrode material, 4. positive electrode ear, 5. negative electrode ear, 6. insulating soft bag.
具体实施方式detailed description
在图1中，正极材料(1)与正极耳(4)相连；负极材料(3)为铝箔或铝片，与负极耳(5)相连；隔膜(2)为具有离子通透性且不与正极和负极反应的聚丙烯微孔隔膜材料、聚乙烯微孔隔膜材料以及玻璃纤维材料中的一种，以正极材料(1)，使其与负极材料(3)绝缘；绝缘软包袋(6)为塑料袋或铝塑包装膜，以绝缘软包袋(6)包裹电池装置，外露出正极耳(4)与负极耳(5)，注入电解液，然后封闭电池，其中电解液由无水氯化铝和3-甲基咪唑类化合物混合而成，液态铝离子电解液中无水氯化铝和3-甲基咪唑类化合物的摩尔比为1.1:1至1.6:1，所述的3-甲基咪唑类化合物包括1-丁基-3-甲基咪唑氯化物、1-丙基-3-甲基咪唑氯盐、1-乙基-3-甲基咪唑氯化物、1-丁基-3-甲基咪唑四氟硼酸盐、1-丁基-3-甲基咪唑六氟磷酸盐，封闭方法为热封或者胶封。In Figure 1, the positive electrode material (1) is connected to the positive electrode ear (4); the negative electrode material (3) is aluminum foil or aluminum sheet, which is connected to the negative electrode ear (5); the diaphragm (2) is ion-permeable and does not One of the polypropylene microporous diaphragm material, polyethylene microporous diaphragm material and glass fiber material that reacts with the positive electrode and the negative electrode, the positive electrode material (1) is used to insulate it from the negative electrode material (3); the insulating soft bag (6 ) is a plastic bag or an aluminum-plastic packaging film, wrap the battery device with an insulating soft bag (6), expose the positive electrode ear (4) and the negative electrode ear (5), inject electrolyte, and then seal the battery, wherein the electrolyte is composed of anhydrous Aluminum chloride and 3-methylimidazole compounds are mixed, the molar ratio of anhydrous aluminum chloride and 3-methylimidazole compounds in the liquid aluminum ion electrolyte is 1.1:1 to 1.6:1, the 3 -Methylimidazole compounds include 1-butyl-3-methylimidazolium chloride, 1-propyl-3-methylimidazolium chloride, 1-ethyl-3-methylimidazolium chloride, 1-butyl -3-methylimidazolium tetrafluoroborate, 1-butyl-3-methylimidazolium hexafluorophosphate, the sealing method is heat sealing or glue sealing.
在实际实验操作中，正极材料(1)为石墨结构碳材料(石墨、碳纸、碳纤维纸、碳纳米管、石墨烯、膨胀石墨以及炭黑等)，负极材料(3)为铝片或铝箔，正极耳(4)为金属钽、铌、铂、钼、玻碳等，负极耳(5)为金属铝或钼，隔膜(2)为GF/D玻璃纤维滤纸，电解液为无水氯化铝的氯化一乙基三甲基咪唑溶液，封闭方式为热封或胶封。In the actual experimental operation, the positive electrode material (1) is a graphite-structured carbon material (graphite, carbon paper, carbon fiber paper, carbon nanotubes, graphene, expanded graphite, and carbon black, etc.), and the negative electrode material (3) is aluminum sheet or aluminum foil. , the positive tab (4) is metal tantalum, niobium, platinum, molybdenum, glassy carbon, etc., the negative tab (5) is metal aluminum or molybdenum, the diaphragm (2) is GF/D glass fiber filter paper, and the electrolyte is anhydrous chloride The monoethyltrimethylimidazole chloride solution of aluminum is sealed by heat sealing or glue sealing.
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