CN108550903A - A kind of aluminium ion battery - Google Patents

A kind of aluminium ion battery Download PDF

Info

Publication number
CN108550903A
CN108550903A CN201810426203.5A CN201810426203A CN108550903A CN 108550903 A CN108550903 A CN 108550903A CN 201810426203 A CN201810426203 A CN 201810426203A CN 108550903 A CN108550903 A CN 108550903A
Authority
CN
China
Prior art keywords
film
graphene
salt
graphene oxide
ion battery
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.)
Granted
Application number
CN201810426203.5A
Other languages
Chinese (zh)
Other versions
CN108550903B (en
Inventor
高超
彭蠡
郭燕
刘晗
刘一晗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Gaoxi Technology Co Ltd
Original Assignee
Hangzhou Gaoxi Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hangzhou Gaoxi Technology Co Ltd filed Critical Hangzhou Gaoxi Technology Co Ltd
Priority to CN201810426203.5A priority Critical patent/CN108550903B/en
Publication of CN108550903A publication Critical patent/CN108550903A/en
Application granted granted Critical
Publication of CN108550903B publication Critical patent/CN108550903B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/054Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention discloses a kind of aluminium ion batteries, using porous graphene film as positive electrode, have uniform bubble structure inside the porous graphene film;It is 100~150nm that walls, which have uniform venthole, aperture, and porosity is more than 5%.Graphene film is by 3000 degree of processing, and without defect, interlayer AB perfect structures stack, thus have fabulous electric conductivity (0.8 1.2MS/m);Porous structure on interlayer air hole structure and gas wall so that electrolysis mass transter is rapid, thus assembled battery has higher battery capacity and coulombic efficiency.

Description

A kind of aluminium ion battery
Technical field
The present invention relates to a kind of aluminium ion batteries.
Background technology
Aluminium ion battery becomes because its aluminum metal cathode has the advantages that the specific capacity, low cost and safety of superelevation Very promising next-generation energy storage mode.However it finds a kind of forthright with higher capacity, high discharge platform and high power The positive electrode of energy is always the Main way of aluminium ion battery research.
Graphene is the ultra-thin two-dimension nano material that a kind of thickness only has 0.34nm, electric conductivity and current-carrying with superelevation Transport factor has great application value in various battery material fields.Graphene by self assembly can get it is continuous and from The graphene macroform material of support, to can get chemical property more better than graphite material.Such as application publication number is The Chinese invention patent (application publication number on December 24th, 2014) of CN104241596A discloses a kind of positive electrode and uses stone The rechargeable aluminium ion battery and preparation method thereof of ink, due to the height of this rechargeable aluminium ion battery of the high stacked structure of graphite High rate performance is just restricted.
Graphene oxide is a kind of important source material of grapheme material, and yield height is at low cost, has extraordinary industrialization Foreground, however the method for preparing graphene oxide on a large scale at present can carry out the structure of graphene mainly by oxidizing process It destroys and then reduces its conductivity and chemical property, the highly conductive graphene without defect is mainly obtained with vapour deposition process , it can not mass produce.
It is generally acknowledged that the mentality of designing of carbon material is all based on the defect for improving carbon material to improve electricity in lithium ion battery The migration velocity of pole material intermediate ion, and increase the load capacity of active material.Therefore, the defect density of carbon material is improved to improve The performance of battery is the focus on research direction of those skilled in the art.
Invention content
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to overcome the technology prejudice of this field, provide a kind of aluminium from Sub- battery.
The purpose of the present invention is what is be achieved through the following technical solutions:A kind of aluminium ion battery is with porous graphene film Positive electrode, the porous graphene film inside have uniform bubble structure;Walls have uniform venthole, and aperture is 100~150nm, porosity are more than 5%.
Further, the graphene number of plies of the graphene film thickness direction is not more than 20000 layers.
Further, it is prepared by the following method to obtain:
(1) graphene oxide being configured to a concentration of 5-10mg/mL graphene oxide water solutions, scraper coating forms a film, from It so dries, the thickness of film is not more than 20 microns.
(2) graphene oxide membrane is placed in moderate oven slowly heating sintering, and heating rate is 1-2 centigrade per minutes, temperature Degree is 1300-1800 degrees Celsius.
(3) graphene film that intermediate sintering temperature is crossed is placed in 3000 degree of annealing in high temperature furnace, obtained with secondary gas-pore structure Graphene film.The heating rate of high temperature furnace is as follows:2000 degrees Celsius hereinafter, 10-20 centigrade per minutes;2000 degrees Celsius with On, 2-5 centigrade per minutes.
Further, the graphene number of plies 2 × 10 of the graphene film thickness direction4~10 × 104Between.
Further, the graphene film is prepared by the following method to obtain:
(1) graphene oxide is configured to a concentration of 5-10mg/mL graphene oxide water solutions, water soluble salt is added, obtains To film forming precursor solution, the wherein content of salt is the 1~5% of graphene oxide quality;Or use Nitric acid etching graphite oxide Then alkene is configured to the film forming precursor solution of 5-10mg/mL;Film forming precursor solution scraper coating is formed a film, naturally dry, The thickness of film is 20-100 microns.
(2) graphene oxide membrane is placed in moderate oven slowly heating sintering, and heating rate is 1-2 centigrade per minutes, temperature Degree is 1300-1800 degrees Celsius.
(3) graphene film that intermediate sintering temperature is crossed is placed in 3000 degree of annealing in high temperature furnace, obtained with secondary gas-pore structure Graphene film.The heating rate of high temperature furnace is as follows:2000 degrees Celsius hereinafter, 10-20 centigrade per minutes;2000 degrees Celsius with On, 2-5 centigrade per minutes.
Further, the salt is selected from:Magnesium salts, calcium salt, titanium salt, silicon salt, boron salt, molysite, aluminium salt, zinc salt, mantoquita, nickel salt Etc..
Further, the battery cathode is aluminum metal or aluminium alloy;Diaphragm is selected from glass fibre, polypropylene diaphragm, gathers Tetrafluoroethene diaphragm or polyethylene diagrams.
The beneficial effects of the present invention are:The present invention is extended by high temperature defect, is prepared for the unique multidimensional gas of graphene Pore structure:Graphene film is by 3000 degree of processing, and without defect, interlayer AB perfect structures stack, height-oriented continuous in film In the case of, there is fabulous electric conductivity (0.8-1.2MS/m), efficiency for charge-discharge is high, and discharge voltage is high;Interlayer air hole structure with And porous structure on gas wall, channel is more, and ion transmission is fast so that electrolysis mass transter is rapid, thus assembled battery is with higher Coulombic efficiency performance;It is too many that nano level duct will not cause density to reduce again, and load capacity is big, and battery capacity is high.
Description of the drawings
Fig. 1 is the electron microscope of porous graphene film prepared by embodiment 1, and b figures are the partial enlargement of a figures;
Fig. 2 is the electron microscope of porous graphene film prepared by embodiment 2, and b figures are the partial enlargement of a figures;
Fig. 3 is the electron microscope of porous graphene thick film prepared by embodiment 4, and b figures are the partial enlargement of a figures;
Figure 4 and 5 are the aluminium ion batteries that prepare of embodiment 1 in cycle performance curve under the conditions of 50C constant current charge-discharges, Wherein Fig. 4 is capacity retention curve, and Fig. 5 is coulombic efficiency curve.
Specific implementation mode
Embodiment 1
(1) graphene oxide is configured to a concentration of 10mg/mL graphene oxide water solutions, scraper coating film forming is natural It dries, the thickness of film is 20 microns.
(2) graphene oxide membrane is placed in moderate oven slowly heating sintering, and heating rate is 2 centigrade per minutes, temperature It is 1800 degrees Celsius.
(3) graphene film that intermediate sintering temperature is crossed is placed in 3000 degree of annealing in high temperature furnace, obtained with secondary gas-pore structure Graphene film, as shown in Figure 1.The heating rate of high temperature furnace is as follows:2000 degrees Celsius hereinafter, 20 centigrade per minutes;2000 Degree Celsius or more, 5 centigrade per minutes.It will be seen from figure 1 that having uniform bubble structure, walls inside graphene film With uniform venthole, aperture is 100~150nm, and porosity is more than 5%.After being compacted into, through micrometer caliper thickness measuring Degree, between the graphene number of plies for calculating the graphene film thickness direction is 19100~19600 layers.
(4) graphene film that step 3 is prepared is as anode, and aluminium foil is cathode, and ionic liquid is electrolyte, glass Fiber is diaphragm, is assembled into aluminium ion battery;Fig. 4 is the aluminium ion battery in cyclicity under the conditions of 50C constant current charge-discharges It can curve.It can be seen from the figure that the stabilization specific capacity that the battery can be kept at the current density 100mAh/g of superelevation continues 25000 circles, coulombic efficiency are maintained at 95 or more.
Embodiment 2
(1) graphene oxide is configured to a concentration of 5mg/mL graphene oxide water solutions, scraper coating film forming is dried in the air naturally Dry, the thickness of film is 5 microns.
(2) graphene oxide membrane is placed in moderate oven slowly heating sintering, and heating rate is 1 centigrade per minute, temperature It is 1300 degrees Celsius.
(3) graphene film that intermediate sintering temperature is crossed is placed in 3000 degree of annealing in high temperature furnace, obtained with secondary gas-pore structure Graphene film, as shown in Figure 2.The heating rate of high temperature furnace is as follows:2000 degrees Celsius hereinafter, 10 centigrade per minutes;2000 Degree Celsius or more, 2 centigrade per minutes.Figure it is seen that having uniform bubble structure, walls inside graphene film With uniform venthole, aperture is 100~150nm, and porosity is more than 5%.After being compacted into, through micrometer caliper thickness measuring Degree, between the graphene number of plies for calculating the graphene film thickness direction is 4700~5000 layers.
(4) graphene film that step 3 is prepared is as anode, and aluminium foil is cathode, and ionic liquid is electrolyte, glass Fiber is diaphragm, is assembled into aluminium ion battery;The stabilization specific volume that the battery can be kept at the current density 100mAh/g of superelevation Amount continues 25000 circles, and coulombic efficiency is maintained at 95 or more.
Embodiment 3
(1) graphene oxide is configured to a concentration of 8mg/mL graphene oxide water solutions, scraper coating film forming is dried in the air naturally Dry, the thickness of film is 1 micron.
(2) graphene oxide membrane is placed in moderate oven slowly heating sintering, and heating rate is 1 centigrade per minute, temperature It is 1500 degrees Celsius.
(3) graphene film that intermediate sintering temperature is crossed is placed in 3000 degree of annealing in high temperature furnace, obtained with secondary gas-pore structure Graphene film.The heating rate of high temperature furnace is as follows:2000 degrees Celsius hereinafter, 10 centigrade per minutes;2000 degrees Celsius or more, 5 centigrade per minutes.There is uniform bubble structure, walls to have uniform ventilation inside the graphene film being prepared Hole, aperture are 100~150nm, and porosity is more than 5%.After being compacted into, through micrometer caliper Thickness Measurement by Microwave, the graphite is calculated The graphene number of plies of alkene film thickness direction is 1000 layers or so.
(4) graphene film that step 3 is prepared is as anode, and aluminium foil is cathode, and ionic liquid is electrolyte, glass Fiber is diaphragm, is assembled into aluminium ion battery;The stabilization specific volume that the battery can be kept at the current density 100mAh/g of superelevation Amount continues 25000 circles, and coulombic efficiency is maintained at 95 or more.
Embodiment 4
(1) graphene oxide is configured to a concentration of 10mg/mL graphene oxide water solutions, zinc sulfate, zinc sulfate is added Content be the 5% of graphene oxide quality, scraper coating film forming, naturally dry, the thickness of film is 100 microns.
(2) graphene oxide membrane is placed in moderate oven slowly heating sintering, and heating rate is 2 centigrade per minutes, temperature It is 1800 degrees Celsius.
(3) graphene film that intermediate sintering temperature is crossed is placed in 3000 degree of annealing in high temperature furnace, obtained with secondary gas-pore structure Graphene film, as shown in Figure 3.The heating rate of high temperature furnace is as follows:2000 degrees Celsius hereinafter, 20 centigrade per minutes;2000 Degree Celsius or more, 5 centigrade per minutes.From figure 3, it can be seen that having uniform bubble structure, walls inside graphene film With uniform venthole, aperture is 100~150nm, and porosity is more than 5%.After being compacted into, through micrometer caliper thickness measuring Degree, the graphene number of plies for calculating the graphene film thickness direction are 100000 layers or so.
(4) graphene film that step 3 is prepared is as anode, and aluminium foil is cathode, and ionic liquid is electrolyte, glass Fiber is diaphragm, is assembled into aluminium ion battery;The stabilization specific volume that the battery can be kept at the current density 100mAh/g of superelevation Amount continues 25000 circles, and coulombic efficiency is maintained at 95 or more.
Embodiment 5
(1) graphene oxide is configured to a concentration of 5mg/mL graphene oxide water solutions, magnesium chloride is added, magnesium chloride Content is the 1% of graphene oxide quality, and the thickness of scraper coating film forming, naturally dry, film is 20 microns.
(2) graphene oxide membrane is placed in moderate oven slowly heating sintering, and heating rate is 1 centigrade per minute, temperature It is 1300 degrees Celsius.
(3) graphene film that intermediate sintering temperature is crossed is placed in 3000 degree of annealing in high temperature furnace, obtained with secondary gas-pore structure Graphene film.The heating rate of high temperature furnace is as follows:2000 degrees Celsius hereinafter, 10 centigrade per minutes;2000 degrees Celsius or more, 2 centigrade per minutes.There is uniform bubble structure, walls to have uniform ventilation inside the graphene film being prepared Hole, aperture are 100~150nm, and porosity is more than 5%.After being compacted into, through micrometer caliper Thickness Measurement by Microwave, the graphite is calculated The graphene number of plies of alkene film thickness direction is 20000 layers or so.
(4) graphene film that step 3 is prepared is as anode, and aluminium foil is cathode, and ionic liquid is electrolyte, glass Fiber is diaphragm, is assembled into aluminium ion battery;The stabilization specific volume that the battery can be kept at the current density 100mAh/g of superelevation Amount continues 25000 circles, and coulombic efficiency is maintained at 95 or more.
Embodiment 6
(1) graphene oxide is configured to a concentration of 8mg/mL graphene oxide water solutions, nickel chloride is added, nickel chloride Content is the 2% of graphene oxide quality, and the thickness of scraper coating film forming, naturally dry, film is 80 microns.
(2) graphene oxide membrane is placed in moderate oven slowly heating sintering, and heating rate is 2 centigrade per minutes, temperature It is 1600 degrees Celsius.
(3) graphene film that intermediate sintering temperature is crossed is placed in 3000 degree of annealing in high temperature furnace, obtained with secondary gas-pore structure Graphene film.The heating rate of high temperature furnace is as follows:2000 degrees Celsius hereinafter, 20 centigrade per minutes;2000 degrees Celsius or more, 5 centigrade per minutes.There is uniform bubble structure, walls to have uniform ventilation inside the graphene film being prepared Hole, aperture are 100~150nm, and porosity is more than 5%.After being compacted into, through micrometer caliper Thickness Measurement by Microwave, the graphite is calculated The graphene number of plies of alkene film thickness direction is 80000 layers or so.
(4) graphene film that step 3 is prepared is as anode, and aluminium foil is cathode, and ionic liquid is electrolyte, glass Fiber is diaphragm, is assembled into aluminium ion battery;The stabilization specific volume that the battery can be kept at the current density 100mAh/g of superelevation Amount continues 25000 circles, and coulombic efficiency is maintained at 95 or more.
Embodiment 7
(1) Nitric acid etching graphene oxide is used, the film forming precursor solution of 7mg/mL is then configured to;It will be at membrane precursor The thickness of liquid solution scraper coating film forming, naturally dry, film is 40 microns.
(2) graphene oxide membrane is placed in moderate oven slowly heating sintering, and heating rate is 2 centigrade per minutes, temperature It is 1300 degrees Celsius.
(3) graphene film that intermediate sintering temperature is crossed is placed in 3000 degree of annealing in high temperature furnace, obtained with secondary gas-pore structure Graphene film.The heating rate of high temperature furnace is as follows:2000 degrees Celsius hereinafter, 10 centigrade per minutes;2000 degrees Celsius or more, 5 centigrade per minutes.
(4) graphene film that step 3 is prepared is as anode, and aluminium foil is cathode, and ionic liquid is electrolyte, glass Fiber is diaphragm, is assembled into aluminium ion battery;The stabilization specific volume that the battery can be kept at the current density 100mAh/g of superelevation Amount continues 20000 circles, and coulombic efficiency is maintained at 95 or more.

Claims (7)

1. a kind of aluminium ion battery, which is characterized in that using porous graphene film as positive electrode, inside the porous graphene film With uniform bubble structure;It is 100~150nm that walls, which have uniform venthole, aperture, and porosity is more than 5%.
2. aluminium ion battery according to claim 1, which is characterized in that the graphite of the porous graphene film thickness direction The alkene number of plies is not more than 20000 layers.
3. aluminium ion battery according to claim 2, which is characterized in that porous graphene film is prepared by the following method It arrives:
(1) graphene oxide is configured to a concentration of 5-10mg/mL graphene oxide water solutions, scraper coating film forming is dried in the air naturally Dry, the thickness of film is not more than 20 microns.
(2) graphene oxide membrane is placed in moderate oven slowly heating sintering, and heating rate is 1-2 centigrade per minutes, and temperature is 1300-1800 degrees Celsius.
(3) graphene film that intermediate sintering temperature is crossed is placed in 3000 degree of annealing in high temperature furnace, obtains the stone with secondary gas-pore structure Black alkene film.The heating rate of high temperature furnace is as follows:2000 degrees Celsius hereinafter, 10-20 centigrade per minutes;2000 degrees Celsius or more, 2-5 centigrade per minutes.
4. aluminium ion battery according to claim 1, which is characterized in that the graphite of the porous graphene film thickness direction The alkene number of plies 2 × 104~10 × 104Between.
5. aluminium ion battery according to claim 4, which is characterized in that the porous graphene film is made by the following method It is standby to obtain:
(1) graphene oxide is configured to a concentration of 5-10mg/mL graphene oxide water solutions, water soluble salt is added, obtains into Film precursor solution, the wherein content of salt are the 1~5% of graphene oxide quality;Or Nitric acid etching graphene oxide is used, so It is configured to the film forming precursor solution of 5-10mg/mL afterwards;Film forming precursor solution scraper coating is formed a film, naturally dry, film Thickness is 20-100 microns.
(2) graphene oxide membrane is placed in moderate oven slowly heating sintering, and heating rate is 1-2 centigrade per minutes, and temperature is 1300-1800 degrees Celsius.
(3) graphene film that intermediate sintering temperature is crossed is placed in 3000 degree of annealing in high temperature furnace, obtains the stone with secondary gas-pore structure Black alkene film.The heating rate of high temperature furnace is as follows:2000 degrees Celsius hereinafter, 10-20 centigrade per minutes;2000 degrees Celsius or more, 2-5 centigrade per minutes.
6. aluminium ion battery according to claim 5, which is characterized in that the salt is selected from:Magnesium salts, calcium salt, titanium salt, silicon Salt, boron salt, molysite, aluminium salt, zinc salt, mantoquita, nickel salt etc..
7. aluminium ion battery according to claim 1, which is characterized in that the battery cathode is aluminum metal or aluminium alloy; Diaphragm is selected from glass fibre, polypropylene diaphragm, Teflon septum or polyethylene diagrams.
CN201810426203.5A 2018-05-07 2018-05-07 Aluminum ion battery Active CN108550903B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810426203.5A CN108550903B (en) 2018-05-07 2018-05-07 Aluminum ion battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810426203.5A CN108550903B (en) 2018-05-07 2018-05-07 Aluminum ion battery

Publications (2)

Publication Number Publication Date
CN108550903A true CN108550903A (en) 2018-09-18
CN108550903B CN108550903B (en) 2020-06-19

Family

ID=63513494

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810426203.5A Active CN108550903B (en) 2018-05-07 2018-05-07 Aluminum ion battery

Country Status (1)

Country Link
CN (1) CN108550903B (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103387229A (en) * 2013-07-23 2013-11-13 哈尔滨工业大学 A preparation method for porous graphene and a preparation method for a graphene-based aluminium-air cell
CN104009205A (en) * 2014-06-12 2014-08-27 上海中聚佳华电池科技有限公司 Hollow graphene ball and preparation method and application thereof
CN104649253A (en) * 2013-11-18 2015-05-27 国家纳米科学中心 Preparing methods of porous graphene and porous graphene film
CN105110794A (en) * 2015-08-07 2015-12-02 常州富烯科技股份有限公司 Graphene film and preparation method therefor
CN105731434A (en) * 2016-01-25 2016-07-06 浙江伟星新型建材股份有限公司 Graphene film for light efficient electromagnetic shielding and preparation method thereof
CN106197839A (en) * 2016-07-05 2016-12-07 浙江大学 A kind of breathe graphene film detection vacustat in application
US20170214035A1 (en) * 2016-01-26 2017-07-27 Uchicago Argonne, Llc Phosphorus-carbon composites as battery anode materials
CN108314013A (en) * 2018-01-23 2018-07-24 杭州高烯科技有限公司 A kind of regular porous graphene thick film and preparation method thereof
CN108328606A (en) * 2018-02-12 2018-07-27 浙江大学 A kind of regular porous graphene film and preparation method thereof

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103387229A (en) * 2013-07-23 2013-11-13 哈尔滨工业大学 A preparation method for porous graphene and a preparation method for a graphene-based aluminium-air cell
CN104649253A (en) * 2013-11-18 2015-05-27 国家纳米科学中心 Preparing methods of porous graphene and porous graphene film
CN104009205A (en) * 2014-06-12 2014-08-27 上海中聚佳华电池科技有限公司 Hollow graphene ball and preparation method and application thereof
CN105110794A (en) * 2015-08-07 2015-12-02 常州富烯科技股份有限公司 Graphene film and preparation method therefor
CN105731434A (en) * 2016-01-25 2016-07-06 浙江伟星新型建材股份有限公司 Graphene film for light efficient electromagnetic shielding and preparation method thereof
US20170214035A1 (en) * 2016-01-26 2017-07-27 Uchicago Argonne, Llc Phosphorus-carbon composites as battery anode materials
CN106197839A (en) * 2016-07-05 2016-12-07 浙江大学 A kind of breathe graphene film detection vacustat in application
CN108314013A (en) * 2018-01-23 2018-07-24 杭州高烯科技有限公司 A kind of regular porous graphene thick film and preparation method thereof
CN108328606A (en) * 2018-02-12 2018-07-27 浙江大学 A kind of regular porous graphene film and preparation method thereof

Also Published As

Publication number Publication date
CN108550903B (en) 2020-06-19

Similar Documents

Publication Publication Date Title
US11728489B2 (en) Three-dimensional current collector for metal secondary battery anode, its preparation and application
Ghazi et al. MoS2/celgard separator as efficient polysulfide barrier for long‐life lithium–sulfur batteries
Shen et al. Progress on lithium dendrite suppression strategies from the interior to exterior by hierarchical structure designs
Kong et al. Porous carbon paper as interlayer to stabilize the lithium anode for lithium–sulfur battery
Wang et al. Graphene oxide gel‐derived, free‐standing, hierarchically porous carbon for high‐capacity and high‐rate rechargeable Li‐O2 batteries
Hou et al. Macroporous LiFePO 4 as a cathode for an aqueous rechargeable lithium battery of high energy density
Li et al. Enhanced performance of a MnO 2–graphene sheet cathode for lithium ion batteries using sodium alginate as a binder
CN111048756A (en) High-conductivity silica negative electrode material and application thereof
Zhang et al. High sulfur loading lithium–sulfur batteries based on a upper current collector electrode with lithium-ion conductive polymers
Jiang et al. Na 3 V 2 (PO 4) 3@ nitrogen, sulfur-codoped 3D porous carbon enabling ultra-long cycle life sodium-ion batteries
Zhao et al. A 3D multifunctional architecture for lithium–sulfur batteries with high areal capacity
He et al. Advanced LiTi 2 (PO 4) 3/C anode by incorporation of carbon nanotubes for aqueous lithium-ion batteries
CN108878835A (en) A kind of preparation method of lithium sulfur battery anode material
CN106602062A (en) Preparation method of graphene aerogel positive electrode material and application of graphene aerogel positive electrode material in aluminum ion battery
Thangavel et al. Highly interconnected hollow graphene nanospheres as an advanced high energy and high power cathode for sodium metal batteries
CN110838583B (en) Carbon nanotube/M-phase vanadium dioxide composite structure, preparation method thereof and application thereof in water-based zinc ion battery
Wu et al. Unprecedented superhigh‐rate and ultrastable anode for high‐power battery via cationic disordering
JP2018532224A (en) Semi-solid flow Li / O2 battery
CN108428935A (en) A kind of solid electrolyte membrane preparation method and lithium battery
Huang et al. The fabrication of foam-like 3D mesoporous NiO-Ni as anode for high performance Li-ion batteries
Zhao et al. Achieving dendrite-free lithium deposition on the anode of Lithium–Sulfur battery by LiF-rich regulation layer
Fan et al. Oriented outperforms disorder: Thickness-independent mass transport for lithium-sulfur batteries
Zeng et al. A single-ion-conducting lithium-based montmorillonite interfacial layer for stable lithium–metal batteries
CN108987732B (en) SiO composite cathode material of lithium ion battery and preparation method thereof
KR101913695B1 (en) Pre-treatment method of electrode using alkaline earth metal oxide and electrode for vanadium redox flow battery using the same

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant