CN107134570A - Zinc ion battery active composite material and its preparation method and application - Google Patents
Zinc ion battery active composite material and its preparation method and application Download PDFInfo
- Publication number
- CN107134570A CN107134570A CN201710328366.5A CN201710328366A CN107134570A CN 107134570 A CN107134570 A CN 107134570A CN 201710328366 A CN201710328366 A CN 201710328366A CN 107134570 A CN107134570 A CN 107134570A
- Authority
- CN
- China
- Prior art keywords
- zinc
- composite material
- ion battery
- preparation
- active composite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
- H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
-
- 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
- H01M4/60—Selection of substances as active materials, active masses, active liquids of organic compounds
-
- 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
-
- 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 kind of Zinc ion battery active composite material and its preparation method and application.Its preparation method is：(1) terephthalic acid (TPA) series acid or salt, zinc salt and conductive additive are placed in container and mixed, ground 0.5~2h, obtain mixture；(2) deionized water is added into mixture obtained by step (1), ultrasonic disperse is then centrifuged for, removes centrifuged supernatant, and replace washing precipitate 2~3 times with N methyl pyrrolidones and deionized water respectively, filtering；(3) 4~5h of ball milling after deionized water, ultrasonic disperse is added into material obtained by step (2), then be spray-dried, obtain Zinc ion battery active composite material.The Zinc ion battery active composite material crystal property that the inventive method is prepared is good, can natural degradation, environmental protection in the environment；The battery for preparing is nontoxic, environmental protection, and cost is low.
Description
Technical field
The invention belongs to materials synthesis field, and in particular to a kind of Zinc ion battery active composite material and preparation method thereof
And application.
Background technology
Material is human production activity and necessary material base of living, closely related with human civilization and technological progress.
With the continuous progress and development of society, the mankind are faced with the double challenge that resource exhaustion and living environment deteriorate at present.Therefore,
Every country makes great efforts to promote promotes human society to move towards energy-saving, resource with research and development new material, propulsion low-carbon life idea
The mode of sustainable development of reusable edible.The clean energy resource that national governments widely popularize is gradually big such as solar energy, wind energy
Sizable application also slowly replaces now widely used gasoline in human lives, hybrid vehicle or pure electric automobile
Drive orthodox car.However, the large-scale development of these renewable resources and the electrical power storage dress supporting using construction is required to
Put to ensure the stability of power supply.In current numerous energy storage systems, electrochemical energy storage cell is due to using
Flexibility, high efficiency and without territory restriction, are energy storage devices of greatest concern.
For electrochemical energy storage device, substantial amounts of research at present focuses on chargeable secondary cell field, largely
Commercialization includes Ni-MH battery, nickel-cadmium cell, lead-acid battery, lithium ion battery etc..But these battery systems also all have one
Fixed shortcoming, such as may cause environmental pollution, and specific energy is low, the problems such as security is poor.Go to set about now with substantial amounts of research
These problems are solved, including develop new organic degradable electrode material, go to overcome pollution problem；Lithium ion is replaced with metal
Lithium lifts specific energy；Explore all-solid-state battery lifting battery security etc..And the research for rechargeable battery, relative to
It is applied to for one-shot battery, belongs to the research system of a taking on a new look again, zinc load have it is nontoxic, cheap,
The advantages such as environment-friendly, high-energy-density, it is of increased attention in the last few years.
At present for MH secondary battery research be concentrated mainly on two aspect, one be electrolyte research, one be electricity
The research of pole material.Using aqueous electrolyte the electrolyte of current battery more, such as the aqueous solution of zinc sulfate, the system it is cheap and
Environment-friendly, for electrode material, the current positive electrode for being applied to MH secondary battery is simultaneously few, and Main System includes
Zinc-manganese dioxide, zinc-air, and emerging zinc-Prussian blue system.Therefore exploitation novel battery electrode material system, right
In accelerating, the commercialization of battery is significant, while being also very necessary.
The content of the invention
For above-mentioned deficiency of the prior art, the present invention provides a kind of Zinc ion battery active composite material and its preparation
Methods and applications there is provided one kind can natural degradation, environment friendly and pollution-free and production cost it is low, the zinc ion prepared applied to battery
Battery-active composite.
A kind of preparation method of Zinc ion battery active composite material, comprises the following steps：
(1) terephthalic acid (TPA) series acid or salt, zinc salt and conductive additive are placed in container and mixed, grind 0.5~2h,
Obtain mixture；Wherein, zinc salt and the substituent mol ratio in terephthalic acid (TPA) series acid or salt are 1:2, both generate amount of substance
For the 50%~95% of mixture quality, remaining is conductive additive；
(2) deionized water, ultrasonic disperse, then in 9000~10000r/min are added into mixture obtained by step (1)
5~8min of lower centrifugation, removes supernatant, and alternately wash heavy with 40~50mL 1-METHYLPYRROLIDONE and deionized water respectively
Starch 2~3 times, filtering obtains the particle of substance A and substance B mixing；Wherein, substance A is terephthalic acid (TPA) zinc, zinc benzoate, neighbour
One or more in phthalic acid zinc or M-phthalic acid zinc；Substance B is conductive additive；
(3) deionized water, ultrasonic disperse ball under conditions of 400~450r/min are added into particle obtained by step (2)
4~5h is ground, then is spray-dried, Zinc ion battery active composite material is obtained.
Further, in step (1) terephthalic acid (TPA) series acid be benzoic acid, phthalic acid, M-phthalic acid and right
One or more in phthalic acid；Terephthalic acid (TPA) series salt is lithium salts, sodium salt, sylvite or calcium salt.
Further, terephthalic acid (TPA) series acid is terephthalic acid (TPA) in step (1).
Further, zinc salt is the one or more in zinc sulfate, zinc acetate, zinc nitrate and zinc chloride in step (1).
Further, conductive additive is carbon black, furnace black, graphite particle, acetylene black, Super P, section's qin in step (1)
One or more in black, CNT and graphene.
Further, conductive additive is CNT in step (1).
Further, in step (3) Zinc ion battery active composite material its be shaped as spherical, ellipsoid and irregular many
One or more in the body of face；Wherein, substance A particle diameter is 50~500nm, is uniformly distributed in around substance B, or be uniformly wrapped on
On substance B.
Using Zinc ion battery active composite material made from above-mentioned preparation method.
Application of the above-mentioned Zinc ion battery active composite material in battery preparation.
Beneficial effects of the present invention are：
1st, by the inventive method, terephthalic acid (TPA) Zr-based materials, the terephthalic acid (TPA) zinc crystallization of preparation are successfully synthesized
Property is good.
2nd, conductive additive is directly added in preparation process, it is possible to achieve conductive additive and the uniform of active material are answered
Close, conductive additive even dispersion is distributed in surface and the surrounding of phthalic acid zinc series material, is favorably improved leading for material
Electric energy power.
3rd, present invention tool practical application cost is low and environmentally friendly, and wherein active material terephthalic acid (TPA) zinc is small molecule
Organic metal salt, can natural degradation, environmental protection in the environment；It is metallic zinc to electrode, Zn-ef ficiency is more rich in reserves in China
Richness, exploitation and application cost are low, and the element asepsis environment-protecting；For battery assembling process, the process can be in atmosphere
Realize, for air humidity, carbon dioxide content, oxygen content etc. is insensitive, and this can greatly reduce production cost.
4th, the Zinc ion battery active composite material crystal property that the present invention is prepared is good, when it is applied to zinc ion
During battery, show as stablizing in the electrolytic solution, cycle performance is good, stable capacity can reach 96mAh/g；Electrolyte is used
The aqueous solution of zinc sulfate, with it is cheap, environmentally friendly the characteristics of；Cell negative electrode material uses metallic zinc, with it is nontoxic, environmentally friendly,
Inexpensive the characteristics of；Whole battery assembling can realize that the environmental requirement to production is low in atmosphere completely, can very big limit
Reduce cost.
Brief description of the drawings
Fig. 1 is the X-ray diffraction of the terephthalic acid (TPA) zinc/carbon nano tube compound material prepared in the embodiment of the present invention 1
(XRD) figure；
Fig. 2 is the SEM figures of the terephthalic acid (TPA) zinc/carbon nano tube compound material prepared in the embodiment of the present invention 1；
Fig. 3 is that the embodiment of the present invention 1 is assembled into the charging and discharging curve that button cell test is obtained；
Fig. 4 is that the embodiment of the present invention 1 is assembled into the cycle performance datagram that button cell test is obtained；
Fig. 5 is that the embodiment of the present invention 2 is assembled into the charging and discharging curve that button cell test is obtained；
Fig. 6 is that the embodiment of the present invention 2 is assembled into the cycle performance datagram that button cell test is obtained；
Fig. 7 is that the embodiment of the present invention 3 is assembled into the charging and discharging curve that button cell test is obtained；
Fig. 8 is that the embodiment of the present invention 3 is assembled into the cycle performance datagram that button cell test is obtained.
Embodiment
The embodiment to the present invention is described below, in order to which those skilled in the art understand this hair
It is bright, it should be apparent that the invention is not restricted to the scope of embodiment, for those skilled in the art,
As long as various change is in the spirit and scope of the present invention that appended claim is limited and is determined, these changes are aobvious and easy
See, all are using the innovation and creation of present inventive concept in the row of protection.
Embodiment 1
A kind of preparation method of Zinc ion battery active composite material, comprises the following steps：
(1) 1.66g terephthalic acid (TPA) C is weighed8H6O4, 2.30g zinc acetate Zn (Ac)2·2H2O and 1.15g carbon is received
Mitron, is added in mortar, grinds 1h, obtains mixture；
(2) 80mL deionized waters are added into mixture, ultrasonic vibration 20min makes its fully dispersed, then uses centrifuge
10000r/min centrifuges 5min, then is washed with 40mL 1-METHYLPYRROLIDONEs, and ultrasonic vibration makes its fully dispersed, then with centrifuging
Machine is separated, and removes supernatant, and the deionized water and 1-METHYLPYRROLIDONE for spending 40mL replace washing precipitate 3 times, and filtering is obtained
Particle diameter is 1~20 μm of particle；
(3) 40mL deionized waters are added into the particle obtained by step (2), ultrasonic vibration makes its fully dispersed, added
Into ball grinder, using 400r/min rotating speed ball milling 4h, products therefrom is collected；
(4) 60mL deionized waters are added into the product obtained by step (3), ultrasonic vibration makes it be uniformly dispersed again, adopts
Secondary granulation is carried out to it with spray drying process, product is collected, that is, obtains the target product terephthaldehyde that particle diameter is 50~500nm
Sour zinc/carbon nano tube compound material.
Application of the above-mentioned terephthalic acid (TPA) zinc/carbon nano tube compound material in battery preparation, its detailed process is：
By terephthalic acid (TPA) zinc/carbon nano tube compound material and PVDF (solvent is 1-METHYLPYRROLIDONE) according to mass ratio
For 9:1 ratio mixed grinding, is then coated on copper foil, and electrode slice is made, drying, and electrode slice is cut into a diameter of 1mm
Disk, using metallic zinc as to electrode, electrolyte is 1mol/L ZnSO4The aqueous solution, using fibreglass diaphragm, is assembled into knob
Battery CR2032 is detained, charge-discharge performance test is carried out to the battery that assembling is obtained, current density is 44mA/g (~0.2C).
Embodiment 2
A kind of preparation method of Zinc ion battery active composite material, comprises the following steps：
(1) 2.44g benzoic acid C is weighed7H6O2, 2.30g zinc acetate Zn (Ac)2·2H2O and 1.15g CNT,
It is added in mortar, grinds 1h, obtain mixture；
(2) 80mL deionized waters are added into mixture, ultrasonic vibration 20min makes its fully dispersed, then uses centrifuge
10000r/min centrifuges 5min, then is washed with 40mL 1-METHYLPYRROLIDONEs, and ultrasonic vibration makes its fully dispersed, then with centrifuging
Machine is separated, and removes supernatant, and the deionized water and 1-METHYLPYRROLIDONE for spending 40mL replace washing precipitate 3 times, and filtering is obtained
Particle diameter is 1~20 μm of particle；
(3) 40mL deionized waters are added into the particle obtained by step (2), ultrasonic vibration makes its fully dispersed, added
Into ball grinder, using 400r/min rotating speed ball milling 4h, products therefrom is collected；
(4) 60mL deionized waters are added into the product obtained by step (3), reusing ultrasound makes it be uniformly dispersed, and adopts
Secondary granulation is carried out to it with spray drying process, product is collected, that is, obtains target product zinc benzoate/carbon nanotube composite
Material.
Application of the above-mentioned zinc benzoate/carbon nano tube compound material in battery preparation, its detailed process is：
According to mass ratio it is 9 by zinc benzoate/carbon nano tube compound material and PVDF (solvent is 1-METHYLPYRROLIDONE):
1 ratio mixed grinding, is then coated on copper foil, and electrode slice is made, drying, and electrode slice is cut to a diameter of 1mm circle
Piece, using metallic zinc as to electrode, electrolyte is the 1mol/L ZnSO4 aqueous solution, using fibreglass diaphragm, is assembled into button electricity
Pond CR2032.
Embodiment 3
A kind of preparation method of Zinc ion battery active composite material, comprises the following steps：
(1) 2.44g benzoic acid C is weighed7H6O2, 2.30g zinc acetate Zn (Ac)2·2H2O and 1.15g graphene, plus
Enter into mortar, grind 1h, obtain mixture；
(2) 80mL deionized waters are added into mixture, ultrasonic vibration 20min makes its fully dispersed, then uses centrifuge
10000r/min centrifuges 5min, then is washed with 40mL 1-METHYLPYRROLIDONEs, and ultrasonic vibration makes its fully dispersed, then with centrifuging
Machine is separated, and removes supernatant, and washing precipitate is replaced 3 times with 40mL deionized water and 1-METHYLPYRROLIDONE, and filtering obtains grain
Footpath is 1~20 μm of particle；
(3) 40mL deionized waters are added into the particle obtained by step (2), ultrasonic vibration makes its fully dispersed, added
Into ball grinder, using 400r/min rotating speed ball milling 4h, products therefrom is collected；
(4) 60mL deionized waters are added into the product obtained by step (3), reusing ultrasound makes it be uniformly dispersed, and adopts
Secondary granulation is carried out to it with spray drying process, product is collected, that is, obtains target product zinc benzoate/graphene composite material.
Application of the above-mentioned zinc benzoate/graphene composite material in battery preparation, its detailed process is：
According to mass ratio it is 9 by zinc benzoate/graphene composite material and PVDF (solvent is 1-METHYLPYRROLIDONE):1
Ratio mixed grinding, be then coated on copper foil, electrode slice be made, dry, electrode slice is cut to a diameter of 1mm circle
Piece, using metallic zinc as to electrode, electrolyte is 0.5mol/L ZnSO4The aqueous solution, using fibreglass diaphragm, is assembled into button
Battery CR2032.
Fig. 1 is the X-ray diffractogram of terephthalic acid (TPA) zinc/carbon nano tube compound material prepared by the embodiment of the present invention 1, by
Fig. 1, which can see Zinc ion battery active composite material, has good crystallinity.
Fig. 2 is the SEM pictures of terephthalic acid (TPA) zinc/carbon nano tube compound material prepared by the embodiment of the present invention 1, by Fig. 2
It is distributed in as can be seen that a part of terephthalic acid (TPA) zinc particle is in irregular spherical or ellipsoid around CNT, a part
Terephthalic acid (TPA) zinc is uniformly wrapped on CNT.
Fig. 3 is the typical charging and discharging curve of terephthalic acid (TPA) zinc/carbon nano tube compound material prepared by the embodiment of the present invention 1,
As a result show, its charging platform is in 1.0V or so, and discharge platform is in 0.85V or so.
Fig. 4 is that the embodiment of the present invention 1 is assembled into the obtained cycle performance figure of button cell test, it is seen that it is when initial
Time has an activation process, and capacity gradually increases, stable capacity about 96mAh/g, and 100 weeks capacity of circulation are undamped, circulation
It is functional.
Fig. 5 is the typical charging and discharging curve of zinc benzoate/carbon nano tube compound material prepared by the embodiment of the present invention 2, as a result
It has been shown that, its charging platform is in 0.95V or so, and discharge platform is in 0.85V or so.
Fig. 6 is that the embodiment of the present invention 2 is assembled into the cycle performance figure that button cell test is obtained, likewise, initial
When have an activation process, capacity gradually increases, stable capacity about 84mAh/g, and 100 weeks capacity of circulation are undamped.
Fig. 7 is the typical charging and discharging curve of zinc benzoate/graphene composite material prepared by the embodiment of the present invention 3, is as a result shown
Show, its charging platform is in 0.80V or so, and discharge platform is in 0.77V or so.
Fig. 8 is that active material prepared by the embodiment of the present invention 3 is assembled into the cycle performance figure that button cell test is obtained,
Initial 15 weeks or so, capacity gradually increases, and it is about 90mAh/g finally to stablize capacity, and cycle performance is good.
Claims (9)
1. a kind of preparation method of Zinc ion battery active composite material, it is characterised in that comprise the following steps：
(1) terephthalic acid (TPA) series acid or salt, zinc salt and conductive additive are placed in container and mixed, ground 0.5~2h, obtain mixed
Compound；Wherein, zinc salt and the substituent mol ratio in terephthalic acid (TPA) series acid or salt are 1:2, it is mixed that both, which generate amount of substance,
The 50%~95% of compound gross mass, remaining is conductive additive；
(2) add deionized water into mixture obtained by step (1), ultrasonic disperse, then under 9000~10000r/min from
5~8min of the heart, removes supernatant, and replace washing precipitate with 40~50mL 1-METHYLPYRROLIDONE and deionized water respectively
2~3 times, filtering obtains the particle of substance A and substance B mixing；Wherein, substance A is terephthalic acid (TPA) zinc, zinc benzoate, adjacent benzene two
One or more in zinc formate and M-phthalic acid zinc；Substance B is conductive additive；
(3) into particle obtained by step (2) plus deionized water, ultrasonic disperse under conditions of 400~450r/min ball milling 4~
5h, then be spray-dried, obtain Zinc ion battery active composite material.
2. the preparation method of Zinc ion battery active composite material according to claim 1, it is characterised in that step (1)
Described in terephthalic acid (TPA) series acid be benzoic acid, M-phthalic acid, phthalic acid and terephthalic acid (TPA) in one kind or several
Kind；The terephthalic acid (TPA) series salt is lithium salts, sodium salt, sylvite or calcium salt.
3. the preparation method of Zinc ion battery active composite material according to claim 2, it is characterised in that step (1)
Described in terephthalic acid (TPA) series acid be terephthalic acid (TPA).
4. the preparation method of Zinc ion battery active composite material according to claim 1, it is characterised in that step (1)
Described in zinc salt be zinc sulfate, zinc acetate, zinc nitrate and zinc chloride in one or more.
5. the preparation method of Zinc ion battery active composite material according to claim 1, it is characterised in that step (1)
Described in conductive additive be carbon black, furnace black, graphite particle, acetylene black, Super P, Ketjen black, CNT and graphene in
One or more.
6. the preparation method of Zinc ion battery active composite material according to claim 5, it is characterised in that step (1)
Described in conductive additive be CNT.
7. the preparation method of Zinc ion battery active composite material according to claim 1, it is characterised in that step (3)
Described in Zinc ion battery active composite material, it is shaped as the one or more in spherical, ellipsoid and irregular polyhedronses；
Wherein, substance A particle diameter is 50~500nm, is uniformly distributed in around substance B, or be uniformly wrapped on substance B.
8. using Zinc ion battery active composite material made from the preparation method described in any one of claim 1~7.
9. application of the Zinc ion battery active composite material in battery preparation described in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710328366.5A CN107134570B (en) | 2017-05-11 | 2017-05-11 | Zinc ion battery active composite material and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710328366.5A CN107134570B (en) | 2017-05-11 | 2017-05-11 | Zinc ion battery active composite material and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107134570A true CN107134570A (en) | 2017-09-05 |
| CN107134570B CN107134570B (en) | 2020-01-07 |
Family
ID=59732732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710328366.5A Active CN107134570B (en) | 2017-05-11 | 2017-05-11 | Zinc ion battery active composite material and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107134570B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258244A (en) * | 2018-01-25 | 2018-07-06 | 电子科技大学 | A kind of new type lithium ion/kalium ion battery negative material and preparation method thereof |
-
2017
- 2017-05-11 CN CN201710328366.5A patent/CN107134570B/en active Active
Non-Patent Citations (3)
| Title |
|---|
| LIPING WANG等: "Zinc terephthalates ZnC8H4O4 as anodes for lithium ion batteries", 《ELECTROCHIMICA ACTA》 * |
| QIJIU DENG等: "Organic Potassium Terephthalate (K2C8H4O4) with Stable Lattice Structure Exhibits Excellent Cyclic and Rate Capability in Li-ion Batteries", 《ELECTROCHIMICA ACTA》 * |
| 张艳等: "微波固相法合成邻苯二甲酸锌、铜配合物", 《精细化工》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258244A (en) * | 2018-01-25 | 2018-07-06 | 电子科技大学 | A kind of new type lithium ion/kalium ion battery negative material and preparation method thereof |
| CN108258244B (en) * | 2018-01-25 | 2022-10-21 | 电子科技大学 | Novel lithium ion/potassium ion battery negative electrode material and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107134570B (en) | 2020-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102651484B (en) | A kind of energy storage device having lithium ion battery and super capacitor feature concurrently | |
| CN105118972B (en) | Metal hydroxide coated carbon and sulfur lithium-sulfur battery positive electrode material, and preparation method and application thereof | |
| CN105870438B (en) | A kind of lithium secondary battery lithium-rich anode composite material and preparation method | |
| CN108539171A (en) | A kind of preparation method of the zinc sulphide with graphene oxide compound and its application in lithium sulfur battery anode material | |
| CN102623707A (en) | Cobalt-doped carbon-coated ferric fluoride anode material and preparation method thereof | |
| CN102231435A (en) | Method for preparing electrode material CuO (cupric oxide) film of lithium ion battery on copper substrate | |
| CN107275590A (en) | A kind of porous Si-C composite material and its preparation method and application | |
| CN103008653B (en) | Carbon coated lead composite material and preparation method thereof | |
| CN106927508B (en) | A kind of cellular nano structure MnO2The preparation method of lithium ion battery anode material | |
| CN102280617A (en) | Carbon material modified composite lithium manganese oxide cathode material applied to lithium ion battery and preparation method thereof | |
| CN104465124A (en) | Water system asymmetric type supercapacitor based on NiCo2O4-based composite | |
| CN108807912B (en) | C @ SnOx(x=0,1,2)Preparation and application of @ C mesoporous nano hollow sphere structure | |
| CN110416533A (en) | A kind of ion battery composite material and preparation method and ion battery | |
| CN108123141A (en) | A kind of three-dimensional porous foams grapheme material and its application | |
| CN105609766B (en) | A kind of Ni doping SnS2Anode material of lithium-ion battery and preparation method thereof | |
| CN103560019A (en) | Zinc icon mixed super capacitor | |
| CN110504424A (en) | A kind of two iron lithium ion battery negative material of porous spherical phosphatization and preparation method thereof | |
| CN109755552B (en) | Carbon-encapsulated titanium oxynitride nanoparticle composite material and preparation method and application thereof | |
| CN110002500B (en) | Method for preparing molybdenum disulfide flower balls with assistance of sodium polyacrylate and application of method | |
| CN105514390A (en) | Nano sheet porous transition metal oxide/carbon composite material and preparation method thereof | |
| CN110459768A (en) | A kind of octahedral structure iron phosphide/carbon composite and the preparation method and application thereof | |
| CN108539160B (en) | CoO/rGO compound and preparation method and application thereof | |
| CN106486664A (en) | Positive electrode material precursor preparation method and sintering method and lithium ion battery | |
| CN108598418A (en) | A kind of unformed NaVOPO of anode material of lithium-ion battery4/ C and the preparation method and application thereof | |
| CN108358249A (en) | A kind of preparation method of anode material for lithium-ion batteries nickel molybdate |
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 |