CN104218219A - Carbon aerogel sulfenyl composite cathode and preparation and application thereof - Google Patents
Carbon aerogel sulfenyl composite cathode and preparation and application thereof Download PDFInfo
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- CN104218219A CN104218219A CN201410507471.1A CN201410507471A CN104218219A CN 104218219 A CN104218219 A CN 104218219A CN 201410507471 A CN201410507471 A CN 201410507471A CN 104218219 A CN104218219 A CN 104218219A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
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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
Abstract
The invention discloses a carbon aerogel sulfenyl composite cathode. Carbon aerogel and carbon nanofibers are composited to form a three-dimensional conductive network structure, and sulphurating is performed to prepare the carbon aerogel sulfenyl composite cathode in a mode of hot melting diffusion. The three-dimensional conductive network structure is large in specific surface area and nano-confined effect, sulfur active substances can be adsorbed, dissolution of polysulfide generated in the discharge process can be inhibited, meanwhile, electrons can be excellently transmitted, and a cathode material is good in cycle performance and electrical conductivity. According to the preparation of the composite cathode, addition of conductive agents and bonder is not required, the preparation process is simple, costs are low, and the energy density is high. A secondary aluminum cell prepared by the application of the composite cathode is good in performances, environmental friendly and safe.
Description
Technical field
The invention belongs to electrochemistry and new forms of energy product scope, relate to a kind of charcoal-aero gel sulfur-based composite anode and preparation method.The invention still further relates to a kind of secondary aluminium cell adopting this anode composite to prepare.
Background technology
Take metallic aluminium as negative pole, sulphur or sulfur-based compound are the secondary aluminium-sulfur battery system of positive pole, have aboundresources, pollution-free, cheap, energy density is high, the feature such as use safety, are a kind of emerging battery systems.The theoretical energy density of aluminium, up to 2980mAh/g, is only second to lithium (3682mAh/g), and rich reserves, chemical property is relatively stable, is desirable negative material; Sulphur has the theoretical energy density of 1675mAh/g, is the positive electrode that known energy density is the highest.But elemental sulfur has electrical insulating property, poor electric conductivity; Meanwhile, its reduzate produced in discharge process can be dissolved in electrolyte, causes the loss of sulphur active material, and cause active material utilization low, electrode passivation, cycle performance of battery is poor.In order to overcome the defect that elemental sulfur exists, normally elemental sulfur is loaded in the carbon-based material with high-specific surface area, high porosity and excellent conductive performance feature at present, form composite positive pole, to limit the various negative effects that sulfur-based compound in cyclic process dissolves in electrolyte and causes thus.
Carbon nano-fiber is one of a kind of carbon-based material extensively concerned in recent years, and have the features such as high strength, low-density, draw ratio be large, and this material is corrosion-resistant, high temperature resistant, conductivity and adsorptivity are very strong.Carbon nano-fiber and sulphur compound, on the one hand, utilize the absorption property of carbon nano-fiber can sulfur loaded active material; On the other hand, carbon nano-fiber add the electric conductivity that can improve material, because corrosion-resistant, the resistant to elevated temperatures characteristic of carbon nano-fiber can be applied in wider scope.But, the specific area of carbon nano-fiber is limited, and by means of only carbon nano-fiber suction-operated sulfur loaded, sulfur content is difficult to be improved to a great extent, and during discharge and recharge, the surface of carbon nano-fiber has a large amount of poly sulphide dissolves in electrolyte, causes the loss of sulphur active material.
Summary of the invention
(1) goal of the invention
For above problem and defect, the object of the present invention is to provide a kind of sulphur/charcoal-aero gel-carbon nano-fiber anode composite.Described anode composite is by after charcoal-aero gel-carbon nano-fiber, adds sulphur and is prepared by the mode that hot melt spreads and obtain.Charcoal-aero gel is a kind of carbon-based material of 3-D solid structure, has flourishing pore structure, large specific area and excellent conductivity, becomes one of ideal material preparing electrode.The huge specific area of charcoal-aero gel can the more sulphur active material of load, and the three-dimensional structure network of the nanoscale that itself and carbon nano-fiber are compounded to form, makes sulphur active material combine closely with nano shape and carbon-based material, improves the reactivity of sulphur; Meanwhile, the conductive network of the stereochemical structure formed is beneficial to the transmission of ion, electronics, and the electric conductivity of material is improved.
In addition, because described combination electrode is without the need to adding conductive agent and binding agent, can significantly improve the specific capacity of electrode, the energy density of electrode is also higher.
The present invention also aims to the preparation method that a kind of sulphur/charcoal-aero gel-carbon nano-fiber anode composite is provided.
The present invention also aims to provide a kind of secondary aluminium cell applied sulphur/charcoal-aero gel-carbon nano-fiber anode composite and prepare.
(2) technical scheme
For achieving the above object, the invention provides following scheme:
A kind of charcoal-aero gel sulfur-based composite anode, comprising:
(a) charcoal-aero gel;
(b) carbon nano-fiber;
(c) sulphur.
Charcoal-aero gel sulfur-based composite anode described in scheme, is characterized in that, anode composite is by after charcoal-aero gel-carbon nano-fiber, adds mode compound that sulphur spreads through hot melt and obtains.
Charcoal-aero gel sulfur-based composite anode described in scheme, is characterized in that, charcoal-aero gel is the conducting carbon-based material of a kind of 3-D solid structure obtained by sol-gel process.
Charcoal-aero gel sulfur-based composite anode described in scheme, is characterized in that, the diameter range of carbon nano-fiber is 300 ~ 800nm, is a kind of stable chemical performance, the porous active material with carbon element that specific area is large.
A preparation method for charcoal-aero gel sulfur-based composite anode described in scheme, is characterized in that, comprise the steps:
Step 1, the preparation of carbon nano-fiber: prepare cellulose acetate spinning fibre by method of electrostatic spinning, is put in obtained cellulose acetate nanofiber in alkali lye after 24h, obtains cellulose nano-fibrous, takes out drying for standby; The ZnCl that mass fraction is 1% ~ 6% is placed in by cellulose nano-fibrous
2in the aqueous solution, be put in the water-bath of 60 ~ 100 DEG C about the 6 ~ 12h that vibrates, take out be put in 55 ~ 85 DEG C can dry 18 ~ 36h in the air dry oven of temperature programming, apply pulling force simultaneously in tunica fibrosa lower end and make it obtain stretching; Dried tunica fibrosa is placed in carbide furnace, obtains carbon nano-fiber at about 350 ~ 550 DEG C high-temperature heating 20 ~ 50min; With the hydrochloric acid cleaning carbon nano-fiber 3 ~ 8 times of 0.1mol/L ~ 0.5mol/L, removing zinc oxide, finally by washed with de-ionized water to the aqueous solution in neutral;
Step 2, the preparation of charcoal-aero gel-carbon nano-fiber composite material: by resorcinol and formaldehyde with the mixed in molar ratio of 1:2, add deionized water as solvent, the mass percent regulating resorcinol and formaldehyde is 10% ~ 50%, add appropriate catalyst sodium carbonate, the pH value regulating solution is 4 ~ 8, adds carbon nano-fiber, the ultrasonic carbon nano-fiber that makes fully disperses in the solution, and wherein the addition of carbon nano-fiber is 2 ~ 12 times of resorcinol; Mixture is moved in closed container, put into insulating box (55 ~ 85 DEG C), make the material generation sol-gel polymerization in mixture, reaction 8 ~ 24h; After polymerization reaction terminates, the composite material obtained is placed in acetone to soak 2 ~ 5 days, under taking-up normal temperature and pressure, drying 3 ~ 5 days, is finally placed in inert gas composite material and is warming up to 800 ~ 1000 DEG C of charings, obtain charcoal-aero gel-carbon nano-fiber composite material;
Step 3, the preparation of sulphur/charcoal-aero gel-carbon nano-fiber anode composite: by the charcoal-aero gel-carbon nano-fiber composite material prepared and elemental sulfur in mass ratio 1:5 ~ 1:15 put into the reactor of the airtight polytetrafluoroethylene containing nitrogen, be placed in baking oven to be heated to 120 ~ 300 DEG C and sulphur fully to be melted and is diffused into charcoal-aero gel-carbon nano-fiber composite material hole, be cooled to room temperature and obtain sulphur/charcoal-aero gel-carbon nano-fiber anode composite.
Scheme additionally provides a kind of secondary aluminium cell, comprising:
A () positive pole, is characterized in that, described just very above-mentioned charcoal-aero gel sulfur-based composite anode;
B () non-water is containing aluminium electrolyte;
C () is containing aluminum honeycomb.
Secondary aluminium cell described in scheme also can comprise the barrier film between positive pole and negative pole.Suitable solid porous separator material includes but not limited to: polyolefin is as polyethylene and polypropylene, glass fiber filter paper and ceramic material.
Described in scheme containing aluminum honeycomb active material, include but not limited to: aluminum metal, such as aluminium foil and the aluminium that is deposited on base material; Aluminium alloy, comprises the alloy containing at least one element be selected from Li, Na, K, Ca, Fe, Co, Ni, Cu, Zn, Mn, Sn, Pb, Ma, Ga, In, Cr, Ge and Al.
Non-water described in scheme is organic salt-aluminum halide system ionic liquid containing aluminium electrolyte, and wherein, the mol ratio of organic salt and aluminum halide is 1:1.1 ~ 3.0.
In organic salt described in scheme-aluminum halide system, it is characterized in that, in organic salt-aluminum halide system, the cation of organic salt comprises imidazol ion, pyridinium ion, pyrrolidinium ion, piperidines ion, morpholinium ion, quaternary ammonium salt ion ， quaternary alkylphosphonium salt ion and tertiary sulfosalt ion; The anion of organic salt comprises Cl
-, Br
-, I
-, PF
6 -, BF
4 -, CN
-, SCN
-, [N (CF
3sO
2)
2]
-, [N (CN)
2]
-plasma.
Organic salt described in scheme-aluminum halide system, is characterized in that, described aluminum halide is the one in aluminium chloride, aluminium bromide or silver iodide.
Described in scheme, the preparation method of secondary aluminium cell is as follows: described in scheme, the preparation method of secondary aluminium cell is as follows: by be cut into after the anode composite drying of above-mentioned preparation 40mm wide × pole piece that the long 0.33mm of 15mm is thick, the glass fibre thick with 0.16mm is non-to be knitted barrier film and is wound into battery core loading nickel plating box hat with aluminium flake as the negative pole that negative active core-shell material is made, the non-water that reinjects is containing aluminium electrolyte, and AA type secondary aluminium cell is made in sealing.
(3) beneficial effect
1) the present invention adopts sol-gel process to obtain the charcoal-aero gel-carbon nano-fiber composite material of stereochemical structure, and the carbon nano-fiber in this composite material has excellent chemical stability and strong absorption property, can adsorb a large amount of sulphur active materials; After charcoal-aero gel-carbon nano-fiber, add the specific area of material on the one hand, effectively improve the load capacity of sulphur; On the other hand, be also conducive to suppression and shuttle back and forth effect, improve the conductivity of positive electrode.
2) the charcoal-aero gel sulfur-based composite anode prepared of the present invention, there is the conductive network structure of three-dimensional manometer yardstick, sulphur combines better with nano shape and carbon-based material, improves the ionic conductivity of positive electrode, reduces the resistance that ion and electronics conduct at inside battery; Meanwhile, its stereochemical structure can suppress the dissolving of the poly sulfide produced in discharge process, improves the cycle performance of positive electrode.
3) preparation of this positive pole is without the need to adding conductive agent and binding agent, can further improve the specific capacity of electrode, and preparation process is simple, and cost is low.
4) apply secondary aluminium cell energy density prepared by this positive pole high, capacity is large, good cycle, price economy and Environmental Safety.
(4) embodiment
Be described further below with reference to the technique effect of embodiment to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.The following examples describe several execution mode of the present invention, and they are only illustrative, and nonrestrictive.
embodiment 1:
1) preparation of carbon nano-fiber: prepare cellulose acetate spinning fibre by method of electrostatic spinning, is put in obtained cellulose acetate nanofiber in alkali lye after 24h, obtains cellulose nano-fibrous, takes out drying for standby; The ZnCl that mass fraction is 3% is placed in by cellulose nano-fibrous
2in the aqueous solution, be put in the water-bath of 80 DEG C about the 12h that vibrates, then take out be put in 85 DEG C can dry 18h in the air dry oven of temperature programming, apply pulling force simultaneously in tunica fibrosa lower end and make it obtain stretching; Dried tunica fibrosa is placed in carbide furnace, obtains carbon nano-fiber at about 550 DEG C high-temperature heating 20 ~ 50min; With the hydrochloric acid cleaning carbon nano-fiber 3 times of 0.1mol/L ~ 0.5mol/L, removing zinc oxide, finally by washed with de-ionized water to the aqueous solution in neutral.
2) preparation of charcoal-aero gel-carbon nano-fiber composite material: by resorcinol and formaldehyde with the mixed in molar ratio of 1:2, add deionized water as solvent, the mass percent regulating resorcinol and formaldehyde is 40%, add appropriate catalyst sodium carbonate, the pH value regulating solution is 5, add carbon nano-fiber, the ultrasonic carbon nano-fiber that makes fully disperses in the solution, and wherein the addition of carbon nano-fiber is 8 times of resorcinol; Mixture is moved in closed container, put into insulating box (85 DEG C), make the material generation sol-gel polymerization in mixture, reaction 24h; After polymerization reaction terminates, the composite material obtained is placed in acetone to soak 3 days, under taking-up normal temperature and pressure, drying 3 days, is finally placed in inert gas composite material and is warming up to 1000 DEG C of charings, obtain charcoal-aero gel-carbon nano-fiber composite material.
3) preparation of sulphur/charcoal-aero gel-carbon nano-fiber anode composite: by the charcoal-aero gel-carbon nano-fiber composite material prepared and elemental sulfur in mass ratio 1:5 put into the reactor of the airtight polytetrafluoroethylene containing nitrogen, be placed in baking oven to be heated to 150 DEG C and sulphur fully to be melted and is diffused into charcoal-aero gel-carbon nano-fiber composite material hole, be cooled to room temperature and obtain charcoal-aero gel-carbon nano-fiber/sulphur anode composite.
4) preparation of secondary aluminium cell: by be cut into after the anode composite drying of above-mentioned preparation 40mm wide × pole piece that the long 0.33mm of 15mm is thick, the glass fibre thick with 0.16mm is non-to be knitted barrier film and is wound into battery core loading nickel plating box hat with aluminium flake as the negative pole that negative active core-shell material is made, reinject aluminium chloride-triethylamine hydrochloride ionic liquid electrolyte, and AA type secondary aluminium cell is made in sealing.
embodiment 2:
1) preparation of charcoal-aero gel-carbon nano-fiber composite material: by resorcinol and formaldehyde with the mixed in molar ratio of 1:2, add deionized water as solvent, the mass percent regulating resorcinol and formaldehyde is 30%, add appropriate catalyst sodium carbonate, the pH value regulating solution is 5, add carbon nano-fiber, the ultrasonic carbon nano-fiber that makes fully disperses in the solution, and wherein the addition of carbon nano-fiber is 4 times of resorcinol; Mixture is moved in closed container, put into insulating box (85 DEG C), make the material generation sol-gel polymerization in mixture, reaction 24h; After polymerization reaction terminates, the composite material obtained is placed in acetone to soak 3 days, under taking-up normal temperature and pressure, drying 3 days, is finally placed in inert gas composite material and is warming up to 800 DEG C of charings, obtain charcoal-aero gel-carbon nano-fiber composite material.
2) preparation of sulphur/charcoal-aero gel-carbon nano-fiber anode composite: by the charcoal-aero gel-carbon nano-fiber composite material prepared and elemental sulfur in mass ratio 1:10 put into the reactor of the airtight polytetrafluoroethylene containing nitrogen, be placed in baking oven to be heated to 150 DEG C and sulphur fully to be melted and is diffused into charcoal-aero gel-carbon nano-fiber composite material hole, be cooled to room temperature and obtain charcoal-aero gel-carbon nano-fiber/sulphur anode composite.
3) other are with embodiment 1.
embodiment 3:
1) preparation of carbon nano-fiber: prepare cellulose acetate spinning fibre by method of electrostatic spinning, is put in obtained cellulose acetate nanofiber in alkali lye after 24h, obtains cellulose nano-fibrous, takes out drying for standby; The ZnCl that mass fraction is 1% is placed in by cellulose nano-fibrous
2in the aqueous solution, be put in the water-bath of 80 DEG C about the 12h that vibrates, then take out be put in 85 DEG C can dry 18h in the air dry oven of temperature programming, apply pulling force simultaneously in tunica fibrosa lower end and make it obtain stretching; Dried tunica fibrosa is placed in carbide furnace, obtains carbon nano-fiber at about 550 DEG C high-temperature heating 20 ~ 50min; With the hydrochloric acid cleaning carbon nano-fiber 3 times of 0.1mol/L ~ 0.5mol/L, removing zinc oxide, finally by washed with de-ionized water to the aqueous solution in neutral.
2) other are with embodiment 1.
embodiment 4:
Carry out charge and discharge cycles test to made battery, charge to 2.2V with 1C, 0.5C discharges, and discharge cut-off voltage is 1.2V, and test result is as shown in the table:
| Battery | Open circuit voltage (V) | Discharge capacity (mAh) first | Cycle-index | Capacity attenuation rate |
| 1 | 1.82 | 720 | 50 | 25.2% |
| 2 | 1.85 | 736 | 50 | 26.7% |
| 3 | 1.83 | 725 | 50 | 27.2% |
Although reference embodiment is to invention has been detailed description, but those skilled in the art is to be understood that, when not departing from the spirit and scope of the present invention described in appended claims and equivalent thereof, various amendment and replacement can be made to it.
Claims (6)
1. a charcoal-aero gel sulfur-based composite anode, is characterized in that, described anode composite comprises:
(a) charcoal-aero gel;
(b) carbon nano-fiber;
(c) sulphur.
2. charcoal-aero gel sulfur-based composite anode as claimed in claim 1, it is characterized in that, this anode composite is after charcoal-aero gel and carbon nano-fiber are compounded to form three-dimensional conductive network configuration, adds sulphur and prepares through the mode that hot melt spreads and obtain.
3. charcoal-aero gel sulfur-based composite anode as claimed in claim 1, is characterized in that, charcoal-aero gel is the conducting carbon-based material of a kind of 3-D solid structure obtained by sol-gel process.
4. charcoal-aero gel sulfur-based composite anode as claimed in claim 1, it is characterized in that, the diameter range of carbon nano-fiber is 300 ~ 800nm, is a kind of stable chemical performance, the porous active material with carbon element that specific area is large.
5. a preparation method for charcoal-aero gel sulfur-based composite anode as claimed in claim 1, is characterized in that comprising the following steps:
Step 1, the preparation of carbon nano-fiber: prepare cellulose acetate spinning fibre by method of electrostatic spinning, is put in obtained cellulose acetate nanofiber in alkali lye after 24h, obtains cellulose nano-fibrous, takes out drying for standby; The ZnCl that mass fraction is 1% ~ 6% is placed in by cellulose nano-fibrous
2in the aqueous solution, be put in the water-bath of 60 ~ 100 DEG C about the 6 ~ 12h that vibrates, then take out be put in 55 ~ 85 DEG C can dry 18 ~ 36h in the air dry oven of temperature programming, apply pulling force simultaneously in tunica fibrosa lower end and make it obtain stretching; Dried tunica fibrosa is placed in carbide furnace, obtains carbon nano-fiber at about 350 ~ 550 DEG C high-temperature heating 20 ~ 50min; With the hydrochloric acid cleaning carbon nano-fiber 3 ~ 8 times of 0.1mol/L ~ 0.5mol/L, removing zinc oxide, finally by washed with de-ionized water to the aqueous solution in neutral;
Step 2, the preparation of charcoal-aero gel-carbon nano-fiber composite material: by resorcinol and formaldehyde with the mixed in molar ratio of 1:2, add deionized water as solvent, the mass percent regulating resorcinol and formaldehyde is 10% ~ 50%, add appropriate catalyst sodium carbonate, the pH value regulating solution is 4 ~ 8, adds carbon nano-fiber, the ultrasonic carbon nano-fiber that makes fully disperses in the solution, and wherein the addition of carbon nano-fiber is 2 ~ 12 times of resorcinol; Mixture is moved in closed container, put into insulating box (55 ~ 85 DEG C), make the material generation sol-gel polymerization in mixture, reaction 8 ~ 24h; After polymerization reaction terminates, the composite material obtained is placed in acetone to soak 2 ~ 5 days, under taking-up normal temperature and pressure, drying 3 ~ 5 days, is finally placed in inert gas composite material and is warming up to 800 ~ 1000 DEG C of charings, obtain charcoal-aero gel-carbon nano-fiber composite material;
Step 3, sulphur/charcoal-aero gel-carbon nano-fiber anode composite: by the charcoal-aero gel-carbon nano-fiber composite material prepared and elemental sulfur in mass ratio 1:5 ~ 1:15 put into the reactor of the airtight polytetrafluoroethylene containing nitrogen, be placed in baking oven to be heated to 120 ~ 300 DEG C and sulphur fully to be melted and is diffused into charcoal-aero gel-carbon nano-fiber composite material hole, be cooled to room temperature and obtain sulphur/charcoal-aero gel-carbon nano-fiber anode composite.
6. a secondary aluminium cell, comprises positive pole, negative pole and electrolyte, it is characterized in that:
(a) charcoal-aero gel sulfur-based composite anode just very as claimed in claim 1;
B () is containing aluminum honeycomb;
C () non-water is containing aluminium electrolyte.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108589049A (en) * | 2018-05-09 | 2018-09-28 | 安徽工程大学 | A kind of aeroge electrospun fiber membrane and preparation method thereof with pH responses |
| CN108963264A (en) * | 2018-08-02 | 2018-12-07 | 佛山腾鲤新能源科技有限公司 | A kind of preparation method of lithium ion battery conductive agent |
| CN109830674A (en) * | 2019-03-29 | 2019-05-31 | 哈尔滨理工大学 | A kind of tin oxide/carbonized aerogel core-shell structure composite sulfur electrode material and the preparation method and application thereof |
| EP4007009A3 (en) * | 2020-11-25 | 2022-09-28 | NETZSCH Trockenmahltechnik GmbH | Method for the preparation of a homogenized mixture of carbon, sulphur and ptfe |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101562244A (en) * | 2009-06-02 | 2009-10-21 | 北京理工大学 | Method for preparing elemental sulfur composite material used by lithium secondary battery |
| US20110206992A1 (en) * | 2009-08-28 | 2011-08-25 | Sion Power Corporation | Porous structures for energy storage devices |
-
2014
- 2014-09-28 CN CN201410507471.1A patent/CN104218219A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101562244A (en) * | 2009-06-02 | 2009-10-21 | 北京理工大学 | Method for preparing elemental sulfur composite material used by lithium secondary battery |
| US20110206992A1 (en) * | 2009-08-28 | 2011-08-25 | Sion Power Corporation | Porous structures for energy storage devices |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108589049A (en) * | 2018-05-09 | 2018-09-28 | 安徽工程大学 | A kind of aeroge electrospun fiber membrane and preparation method thereof with pH responses |
| CN108963264A (en) * | 2018-08-02 | 2018-12-07 | 佛山腾鲤新能源科技有限公司 | A kind of preparation method of lithium ion battery conductive agent |
| CN109830674A (en) * | 2019-03-29 | 2019-05-31 | 哈尔滨理工大学 | A kind of tin oxide/carbonized aerogel core-shell structure composite sulfur electrode material and the preparation method and application thereof |
| CN109830674B (en) * | 2019-03-29 | 2022-01-11 | 哈尔滨理工大学 | Tin oxide/carbonized aerogel core-shell structure composite sulfur electrode material and preparation method and application thereof |
| EP4007009A3 (en) * | 2020-11-25 | 2022-09-28 | NETZSCH Trockenmahltechnik GmbH | Method for the preparation of a homogenized mixture of carbon, sulphur and ptfe |
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Application publication date: 20141217 |