CN108807837A - A kind of graphene aluminium ion secondary cell manufacturing technology - Google Patents

A kind of graphene aluminium ion secondary cell manufacturing technology Download PDF

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Publication number
CN108807837A
CN108807837A CN201710333793.2A CN201710333793A CN108807837A CN 108807837 A CN108807837 A CN 108807837A CN 201710333793 A CN201710333793 A CN 201710333793A CN 108807837 A CN108807837 A CN 108807837A
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positive
diaphragm
graphene
plate
aluminium
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申凤仪
王秀瑜
其他发明人请求不公开姓名
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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
    • H01M10/058—Construction or manufacture
    • H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
    • 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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/04—Processes of manufacture in general
    • H01M4/043—Processes of manufacture in general involving compressing or compaction
    • H01M4/0435—Rolling or calendering
    • 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
    • H01M4/139—Processes of manufacture
    • H01M4/1393—Processes of manufacture of 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
    • H01M4/36—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
    • H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
    • 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
    • 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

Abstract

The present invention provides a kind of graphene aluminium ion battery secondary cell technologies of preparing, in particular by graphene microchip material, and unique graphene pole plate manufacture craft and Cell Bipolar series and parallel structure mounting technology, belong to electrochemical energy storage cell preparing technical field.Battery includes anode, cathode, ion electrolyte, diaphragm, wherein just extremely carbon material (being made according to positive plate manufacture craft of graphene microchip, bonding agent, water), cathode is high-purity aluminum material, and ion electrolyte is organic salt-aluminium chloride system ionic liquid.Graphene aluminium ion battery charging and discharging multiplying power of the present invention is high, has extended cycle life, and energy conversion efficiency is high, and higher than energy, secure and non-combustible is quick-fried, at low cost, has a vast market application.

Description

A kind of graphene aluminium ion secondary cell manufacturing technology
Technical field
The present invention relates to a kind of graphene aluminium ion secondary cell manufacturing technology, in particular by graphene microchip material, And unique no collector positive/negative plate one-pass molding manufacture craft and more battery cells in series mounting technologies.
Energy storage is to be related to the foundation stone industry very wide, influence is very deep.Energy storage makes the time change of electrical energy production and consumption, and can It is used in grid-connected, off-network or mobile status, breeds heavyweight application here：Electric power stores and power battery.Electrochemistry at present The mainstream technology and product of secondary battery be lithium ion battery, lead-acid battery, flow battery (vanadium stream, sodium sulphur, zinc bromine etc.), Fuel cell (hydrogen fuel, methane fuel, gas fuel etc.), for cope with the market demand, properties of product needs continue to lift up, at This needs to continue to decline.
Aluminium is at low cost, flammable low, and has high charge storage, and the theoretical capacity of aluminium is 2000mAH/g, therefore one Directly it is used as the material that battery has much attraction.In the past few decades, researcher is dedicated to the feasible aluminium ion of research and development business Battery.《Nature》The paper delivered《Fast charging and discharging aluminium ion battery》It uses graphite as negative material, is used in combination a kind of suitable In salting liquid ionic liquid as electrolyte, solve aluminum cell and study the bottleneck problem on material, aluminium ion battery pack Containing a negatively charged anode made of aluminum and a positively charged graphite cathode, due to the excellent electric conductivity of three-dimensional graphite and huge Big specific surface area can greatly shorten the charging time of battery, realize highly efficient durable, ultrafast charging, high security, can It folds, the cost of material is low, flexible and longer life.It is limited to positive carbon material, reports highest ratio about aluminium ion battery at present Capacity is 70mAh/g, and battery specific energy is relatively low.
Invention content
Present invention solves the technical problem that mainly there is the following：
1, huge using the electric conductivity that graphene microchip material is excellent using graphene microchip material as positive electrode Specific surface area, suitable porous structure greatly improve the specific capacity of battery；
2, using unique positive paste formulation and positive diaphragm manufacture craft, positive plate glue connection network structure, knot are formd The three-dimensional structure for closing graphene microchip, effectively inhibits the volume expansion caused by during positive electrode intercalation of Al ions and asks Topic, to improve the cycle life of battery；
3, using no collector positive/negative plate one-pass molding manufacture craft and more battery cells in series mounting technologies, effectively The specific capacity and battery high rate performance for improving battery, reduce product cost.
The present invention adopts the following technical scheme that：
A kind of graphene aluminium ion secondary cell manufacturing technology, in particular by graphene microchip material and unique Without collector positive/negative plate one-pass molding manufacture craft and more battery cells in series mounting technologies, battery include anode, cathode, from Sub- electrolyte, diaphragm, wherein just extremely carbon material (being made according to positive plate manufacture craft of graphene microchip, bonding agent, water), Cathode is high-purity aluminum material, and ion electrolyte is organic salt-aluminium chloride system ionic liquid.Battery making includes the following steps：
Step 1: positive cream makes：Bonding agent (one in PVDF, NMP, PTFE, phenolic resin is added in graphene microchip Kind or a variety of mixed solutions), deionized water, the mass ratioes of three kinds of materials of ratio is 1: 0.01--0.25: 0.01--0.5, will be by Batch mixing is stirred at a temperature of 20--45 degree (use double planetary mixer in 1--3 hours according to the good mixed material of proportional arrangement Or Dual-screw kneader or other blenders), prepare positive cream active material；
Step 2: anode plate diaphragm makes：Step 1 anode cream active material is begun to pratise 2--10 repeatedly using machine of beginning to pratise It is secondary, the thick diaphragm of anode is made, positive thick diaphragm is pressed into the smart diaphragm of certain thickness 0.1-10mm using calender, by smart film Piece is dried for use in 70-100 degree baking ovens；
Step 3: negative plates pre-process：Rafifinal (aluminium sheet, aluminium flake, aluminium foil, foam aluminium flake etc.) is successively used into acetic acid (absolute ethyl alcohol, acetone or other weak acid, weak base), deionized water carry out surface clean；By a face of the negative plate after cleaning The electric silica gel of one layer 0.1-100 microns of coating；
Step 4: positive and negative pole plate disposably makes：After the positive plate diaphragm that step 2 makes is placed on step 3 processing Negative plate coating electric silica gel one side, positive smart diaphragm is pressed into cathode aluminium pole using forcing press (roll-in or horizontal static pressure) On plate, disposable prepare completes a positive and negative pole plate；
Step 5: electrolyte makes：Configuration contains electrolyte of the liquid as battery of AL3+ ions；
Step 6: battery assembles：The positive/negative plate that step 4 is made repeats to make 2-300, between pole plate use every The electrolyte that film interval and injection step five make is sealed between most latter two adjacent plate, you can group using electric insulating sealant Dress up the battery of DC 2V-600V free voltages；
Beneficial effects of the present invention：
The graphene aluminium ion secondary cell of the present invention, as positive electrode, utilizes graphene using graphene microchip material The excellent electric conductivity of microplate material, huge specific surface area, suitable porous structure greatly improve the specific capacity of battery；Using Unique anode paste formulation and positive diaphragm manufacture craft form positive plate glue connection network structure, in conjunction with graphene microchip Three-dimensional structure effectively inhibits Al ions volume expansion problem caused by during positive electrode intercalation, to improve The cycle life of battery；Using no collector positive/negative plate one-pass molding manufacture craft and more battery cells in series mounting technologies, The effective specific capacity and battery high rate performance for improving battery, reduces product cost.
Description of the drawings
The plan view of Fig. 1 positive/negative plates
The side view of Fig. 2 positive/negative plates
Fig. 3 battery assembling structure sectional views
Wherein, 1. aluminium flake (negative plate also serves as positive plate, negative plate collector), 2. electric insulating sealant, 3. conducting resinl, 4. just Pole diaphragm, 5. diaphragm, 6. aluminium flake
Specific implementation mode
A kind of graphene aluminium ion secondary cell manufacturing technology of the present invention, in particular by graphene microchip material, and Unique no collector positive/negative plate one-pass molding manufacture craft and more battery cells in series mounting technologies, battery include anode, Cathode, ion electrolyte, diaphragm, wherein just extremely carbon material (makes work by graphene microchip, bonding agent, water according to positive plate Skill is made), cathode be high-purity aluminum material (be foamed aluminium, pure aluminum plate, pure aluminum foil, fine aluminium piece, one kind in aluminium net or its meet Object), ion electrolyte is organic salt-aluminium chloride system ionic liquid.Battery making includes the following steps：
Step 1: positive cream makes：Bonding agent (one in PVDF, NMP, PTFE, phenolic resin is added in graphene microchip Kind or a variety of mixed solutions), deionized water, the mass ratioes of three kinds of materials of ratio is 1: 0.01--0.25: 0.01--0.5, will be by Batch mixing is stirred at a temperature of 20--45 degree (use double planetary mixer in 1--3 hours according to the good mixed material of proportional arrangement Or Dual-screw kneader or other blenders), prepare positive cream active material；
Step 2: anode plate diaphragm makes：Step 1 anode cream active material is begun to pratise 2--10 repeatedly using machine of beginning to pratise It is secondary, the thick diaphragm of anode is made, positive thick diaphragm is pressed into the smart diaphragm of certain thickness 0.1-10mm using calender, by smart film Piece is dried for use in 70-100 degree baking ovens；
Step 3: negative plates pre-process：Rafifinal (aluminium sheet, aluminium flake, aluminium foil, foam aluminium flake etc.) is successively used into acetic acid (absolute ethyl alcohol, acetone or other weak acid, weak base), deionized water carry out surface clean；By a face of the negative plate after cleaning The electric silica gel of one layer 0.1-100 microns of coating；
Step 4: positive and negative pole plate disposably makes：After the positive plate diaphragm that step 2 makes is placed on step 3 processing Negative plate coating electric silica gel one side, positive smart diaphragm is pressed into cathode aluminium pole using forcing press (roll-in or horizontal static pressure) On plate, disposable prepare completes a positive and negative pole plate；
Step 5: electrolyte makes：Configuration contains electrolyte of the liquid as battery of AL3+ ions；
Step 6: battery assembles：The positive/negative plate that step 4 is made repeats to make 2-300, between pole plate use every The electrolyte that film interval and injection step five make is sealed between most latter two adjacent plate, you can group using electric insulating sealant Dress up the battery of DC 2V-600V free voltages；The present invention is specifically described in the following drawings and case study on implementation.
What the drawings and the specific embodiments or embodiment were merely exemplary, and is not intended to limit the present invention.
Embodiment 1：
Using graphene microchip (specific surface area 1600cm2/ g, aperture 2nm, tap density 0.25cm3/ g) it is living as anode Property material, high-purity aluminium flake (thickness 0.2mm) also serve as positive and negative anodes collector as negative electrode active material.
Step 1: positive cream makes：Weighing 10g graphene microchips addition 0.7g bonding agent PTFE, 3g deionized waters, three kinds The mass ratio of material is 1: 0.07: 0.3, is first uniformly mixed bonding agent and deionized water.Duplicate rows is added in graphene microchip Then mixed liquor is poured into the graphene microchip in charging basket by star charging basket for stirring machine, batch mixing is stirred at a temperature of 20--45 degree 1--3 hours, prepare positive cream active material (the wet cream of anode)；
Step 2: anode plate diaphragm makes：The wet cream of step 1 anode is begun to pratise 5 times repeatedly using machine of beginning to pratise, is made just Positive thick diaphragm is pressed into the smart diaphragm of thickness 0.5mm by extremely thick diaphragm (film thickness 2cm, film width 5cm) using calender, Smart diaphragm is dried in 70-80 degree baking ovens；
Step 3: negative plates pre-process：By the high-purity aluminium flake of 0.2cm thickness, first with acetic acid impregnate 3 minutes, it is molten from acetic acid Taking-up is cleaned with deionized water in liquid；One face of aluminium flake after cleaning is coated to one layer 10-20 microns of electric silica gel；
Step 4: positive and negative pole plate disposably makes：After the positive plate diaphragm that step 2 makes is placed on step 3 processing Negative plate coating electric silica gel one side, use forcing press, pressure 200MPa, room temperature static pressure pressurize 1 minute, by positive smart diaphragm It is pressed on cathode aluminum substrate, disposable prepare completes a positive and negative pole plate；
Step 5: electrolyte makes：Configuration contains electrolyte of the liquid as battery of AL3+ ions；
Step 6: battery assembles：The positive/negative plate that step 4 is made repeats to make 3, makes between two positive/negative plates It with diaphragm interval, to allow between positive graphene diaphragm and cathode aluminium flake and be isolated completely by diaphragm, then by two adjacent plates Between surrounding sealed using electric insulating sealant so that do not had between different battery cells fluid communication leakage, then pass through one The electrolyte that step 5 makes is injected the chamber of each battery cell by a liquid injection port, finally seals liquid injection port, is completed DC 6V (3 concatenated batteries of single lattice).
Battery open circuit voltage 7.35V, discharge cut-off voltage 4.65V, positive active material capacity 95mAH/g (0.2 hour rates Electric discharge), positive active material capacity 195mAH/g (electric discharge of 5 hour rates) coulombic efficiency 99.7%, in 80%DOD depth of discharges, Under the conditions of charge and discharge in 0.2 hour, capacity retention ratio 89%. (discharges for 0.2 hour than energy 65wh/g when charge and discharge cycles 8000 times Under multiplying power).
Embodiment 2：
Using graphene microchip (specific surface area 1600cm2/ g, aperture 2nm, tap density 0.25cm3/ g) it is living as anode Property material, high-purity aluminium flake (thickness 0.2mm) also serve as positive and negative anodes collector as negative electrode active material.
Step 1: positive cream makes：Weighing 10g graphene microchips addition 0.7g bonding agent PTFE, 3g deionized waters, three kinds The mass ratio of material is 1: 0.07: 0.3, is first uniformly mixed bonding agent and deionized water.Duplicate rows is added in graphene microchip Then mixed liquor is poured into the graphene microchip in charging basket by star charging basket for stirring machine, batch mixing is stirred at a temperature of 20--45 degree 1--3 hours, prepare positive cream active material (the wet cream of anode)；
Step 2: anode plate diaphragm makes：The wet cream of step 1 anode is begun to pratise 5 times repeatedly using machine of beginning to pratise, is made just Positive thick diaphragm is pressed into the smart diaphragm of thickness 0.5mm by extremely thick diaphragm (film thickness 2cm, film width 5cm) using calender, Smart diaphragm is dried in 70-80 degree baking ovens；
Step 3: negative plates pre-process：By the high-purity aluminium flake of 0.2cm thickness, first with acetic acid impregnate 3 minutes, it is molten from acetic acid Taking-up is cleaned with deionized water in liquid；One face of aluminium flake after cleaning is coated to one layer 10-20 microns of electric silica gel；
Step 4: positive and negative pole plate disposably makes：After the positive plate diaphragm that step 2 makes is placed on step 3 processing Negative plate coating electric silica gel one side, use forcing press, pressure 200MPa, room temperature static pressure pressurize 1 minute, by positive smart diaphragm It is pressed on cathode aluminum substrate, disposable prepare completes a positive and negative pole plate；
Step 5: electrolyte makes：Configuration contains electrolyte of the liquid as battery of AL3+ ions；
Step 6: battery assembles：The positive/negative plate that step 4 is made uses diaphragm interval, to allow positive graphene diaphragm It is isolated completely by diaphragm between cathode aluminium flake, aluminium flake (uncoated electric silica gel) conduct after then cleaning a step 3 Cathode seals surrounding between two pole plates using electric insulating sealant so that fluid communication leakage is not had between battery cell, The chamber that battery cell is injected by the electrolyte that a liquid injection port makes step 5, finally seals liquid injection port, group installs At DC 2V (the concatenated battery of single lattice).Battery open circuit voltage 2.45V, discharge cut-off voltage 1.55V positive active material capacity 85mAH/g (under 0.2 hour discharge-rate), coulombic efficiency 99.8%, capacity retention ratio 91% was filled in 80%DOD, 0.2 hour Under discharging condition, capacity retention ratio 89% when charge and discharge cycles 8000 are enclosed.Than energy 50wh/g (under 0.2 hour discharge-rate).

Claims (9)

1. a kind of graphene aluminium ion secondary cell manufacturing technology, in particular by graphene microchip material and unique nothing Collector positive/negative plate one-pass molding manufacture craft and more battery cells in series mounting technologies, battery include anode, cathode, ion Electrolyte, diaphragm, wherein 4. anode (is made of graphene microchip, bonding agent, water according to positive plate manufacture craft) of carbon material, 1. cathode is high-purity aluminum material, ion electrolyte is organic salt-aluminium chloride system ionic liquid.Battery making includes following step Suddenly：
Step 1: positive cream makes：By graphene microchip be added bonding agent (one kind in PVDF, NMP, PTFE, phenolic resin or A variety of mixed solutions), deionized water, the mass ratioes of three kinds of materials is 1: 0.01--0.25: 0.01--0.5, will proportionally be matched The mixed material set is stirred batch mixing at a temperature of 20--45 degree and (is pinched using double planetary mixer or twin-screw for 1--3 hours Conjunction machine or other blenders), prepare positive cream active material；
Step 2: anode plate diaphragm makes：Step 1 anode cream active material is begun to pratise 2--10 times repeatedly using machine of beginning to pratise, The thick diaphragm of anode is made, positive thick diaphragm is pressed into the 4. smart diaphragm of certain thickness 0.1-10mm using calender, by smart film Piece is dried for use in 70-100 degree baking ovens；
Step 3: 1. negative plates pre-process：Rafifinal (aluminium sheet, aluminium flake, aluminium foil, foam aluminium flake etc.) is successively used into acetic acid (absolute ethyl alcohol, acetone or other weak acid, weak base), deionized water carry out surface clean：By a face of the negative plate after cleaning The 5. electric silica gel of one layer 0.1-100 microns of coating；
Step 4: positive and negative pole plate disposably makes：By positive plate that step 2 makes, 4. diaphragm is placed on step 3 treated Negative plate coats electric silica gel one side, using forcing press (roll-in or horizontal static pressure) 4. positive smart diaphragm is pressed into cathode aluminium pole Plate 1. on, disposable prepare completes a positive and negative pole plate；
Step 5: electrolyte makes：Configuration contains AL3+Electrolyte of the liquid of ion as battery；
Step 6: battery assembles：The positive/negative plate that step 4 is made repeats to make 2-300, using between diaphragm between pole plate It is sealed using electric insulating sealant between the electrolyte that simultaneously injection step five makes, most latter two adjacent plate, you can be assembled into The battery of DC 2V-600V free voltages.
2. graphene aluminium ion battery according to claim 1, which is characterized in that positive electrode uses graphene microchip material Material, bonding agent, deionized water, by graphene microchip be added bonding agent (one kind in PVDF, NMP, PTFE, PE, phenolic resin or A variety of mixed solutions), deionized water, the mass ratioes of three kinds of materials of ratio is 1: 0.01--0.25: 0.01--0.5.
3. graphene aluminium ion battery according to claim 1, which is characterized in that, the mixing that will have proportionally configured Material batch mixing is stirred at a temperature of 20--45 degree 1--3 hours (using double planetary mixer or Dual-screw kneader or its His blender), prepare positive cream active material.
4. graphene aluminium ion battery according to claim 1, which is characterized in that adopt step 1 anode cream active material It is begun to pratise 2--10 times repeatedly with the machine of beginning to pratise, the thick diaphragm of anode is made, positive thick diaphragm is pressed into certain thickness using calender 4., by smart diaphragm 4. the smart diaphragm of 0.1-10mm is dried in 70-100 degree baking ovens.
5. graphene aluminium ion battery according to claim 1, which is characterized in that by rafifinal (aluminium sheet, aluminium flake, aluminium foil, Foam aluminium flake etc.) successively use acetic acid (or other weak acid, weak base), deionized water to carry out surface clean；By the cathode after cleaning One face of plate coats one layer 0.1-100 micron of electric silica gel, as negative plate 1. with the collector of positive electrode.
6. graphene aluminium ion battery according to claim 1, which is characterized in that positive and negative pole plate disposably makes：It will step The rapid two positive plate diaphragms made are placed on step 3 treated negative plate coating electric silica gel one side, use forcing press (roller Pressure or horizontal static pressure) positive smart diaphragm is pressed on cathode aluminum substrate, disposable prepare completes a positive and negative pole plate.
7. graphene aluminium ion battery according to claim 1, which is characterized in that the positive and negative pole plate for making step 4 It repeats to make 2-300, the electrolyte made using diaphragm interval and injection step five between pole plate, most latter two adjacent plate Between sealed using electric insulating sealant, you can be assembled into the battery of DC 2V-600V free voltages.
8. graphene aluminium ion battery according to claim 1, which is characterized in that coat the one side of negative plates conductive Glue is 3. or other are conductive but the conductive material of ion can be isolated, be fabricated to electronic conduction but can completely cut off the afflux of ion transmission Body, the collector have both the afflux body function of anode, cathode simultaneously, while having the function of negative electrode active material again.
9. graphene aluminium ion battery according to claim 1, which is characterized in that electronics between battery plus-negative plate plate and from The flowing of son is perpendicular to the flowing of pad-face direction.
CN201710333793.2A 2017-05-03 2017-05-03 A kind of graphene aluminium ion secondary cell manufacturing technology Pending CN108807837A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2937332A1 (en) * 2021-09-23 2023-03-27 Albufera Energy Storage S L Aluminum ion bipolar rechargeable battery and associated uses (Machine-translation by Google Translate, not legally binding)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2937332A1 (en) * 2021-09-23 2023-03-27 Albufera Energy Storage S L Aluminum ion bipolar rechargeable battery and associated uses (Machine-translation by Google Translate, not legally binding)
WO2023047004A1 (en) * 2021-09-23 2023-03-30 Albufera Energy Storage, S.L. Rechargeable bipolar aluminium-ion battery and associated uses

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Application publication date: 20181113