CN110071248A - Nano-cellulose/titanium dioxide/carbon nano-tube compound film preparation method and product and application - Google Patents
Nano-cellulose/titanium dioxide/carbon nano-tube compound film preparation method and product and application Download PDFInfo
- Publication number
- CN110071248A CN110071248A CN201910390066.9A CN201910390066A CN110071248A CN 110071248 A CN110071248 A CN 110071248A CN 201910390066 A CN201910390066 A CN 201910390066A CN 110071248 A CN110071248 A CN 110071248A
- Authority
- CN
- China
- Prior art keywords
- nano
- cellulose
- titanium dioxide
- compound film
- tube compound
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/429—Natural polymers
- H01M50/4295—Natural cotton, cellulose or wood
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/44—Fibrous material
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The present invention relates to nano-cellulose/titanium dioxide/carbon nano-tube compound film preparation method and product and applications, preparation method, it is using modified sol-gel method that nano-cellulose and titanium dioxide and carbon nanotube is compound, it not only can be further improved the ionic conductivity of cellulose membrane, while its mechanical performance and heat resistance can be improved.The composite membrane is used for Mn2CoO4For in the lithium ion button shape cell of negative electrode material, Fig. 1 is the circulation figure under the current density condition of 100 mA/g, first discharge specific capacity is 1223 mAh/g, second of specific discharge capacity is 580 mAh/g, after 50 circulations, specific discharge capacity is about 320 mAh/g, relative to second of specific discharge capacity, capacity retention ratio 55.17%.
Description
Technical field
The present invention relates to a kind of preparation methods of composite membrane, receive more particularly to a kind of nano-cellulose/titanium dioxide/carbon
The preparation method and product of mitron composite membrane and application, belong to field of energy source materials.
Background technique
Cellulose is that a kind of most wide, content is most high molecular material is distributed in nature.In recent years, with petroleum, coal
The decline of charcoal reserves and the pay attention to day by day of environmental pollution, the development and utilization of cellulose are more and more by people
Pay attention to.
With the development of society, lithium ion battery is concerned.Lithium ion battery be it is ideal in the world at present can
Rechargeable battery, it not only has many advantages, such as that energy density is big, has extended cycle life, memory-less effect and pollution are small.With technology
Progress, lithium ion battery will be widely used in the fields such as electric car, aerospace and biological medicine.And diaphragm is to influence and determine
An important factor for determining lithium ion battery chemical property and safety.Currently, the diaphragm material of commercial lithium-ion batteries is main
Still use polyethylene, microporous polypropylene membrane.But polyethylene, polypropylene diaphragm are poor to electrolyte compatibility, there are imbibition rates
With guarantor's low deficiency of liquid rate, electrolyte is easy to happen side leakage, and there are hidden danger for the safety of battery.In addition, currently on the market every
Film it is all simple play simple buffer action, under identical aperture, to lithium ion conductivity raising it is not any
It helps.
Since cellulose membrane has many advantages, such as that porosity is high, hydrophilic and high temperature dimensional stability is good, using cellulose as
The research of lithium ion battery separator gradually increases, but the ionic conductivity of cellulosic separator needs further increase.By adding
Add inorganic nanoparticles that the ionic conductivity of diaphragm can be improved, inorganic nanoparticles can promote particle and electrolyte interface to form richness
The interface phase for collecting " freedom " lithium ion, in charge and discharge process, transmission channel fast transferring that lithium ion is mutually formed along interface.Together
When, addition carbon nanotube can further improve titanic oxide material mechanical property, chemical property etc., and then improve entire compound
The comprehensive performance of cellulose membrane.
The present invention is compound not by nano-cellulose and titanium dioxide and carbon nanotube using the method for modified collosol and gel
It only can be further improved the ionic conductivity of cellulose membrane, while its mechanical performance and heat resistance can be improved.
Summary of the invention
For the deficiency for having cellulose membrane ionic conductivity low, the purpose of the present invention is to provide a kind of nanofibers
Element/titanium dioxide/carbon nano-tube compound film preparation method.
Another object of the present invention is: providing a kind of nano-cellulose/titanium dioxide/carbon nanometer that the above method obtains
Pipe composite membrane product.
Another object of the present invention is to: a kind of application of the said goods is provided.
The object of the invention is realized by following proposal: a kind of nano-cellulose/titanium dioxide/carbon nano-tube compound film system
Preparation Method, which is characterized in that it is using modified sol-gel method that nano-cellulose and titanium dioxide and carbon nanotube is compound,
The specific steps of this method are as follows:
(1) by Organic Alcohol and organic titanate, 60~80:1 carries out mixing wiring solution-forming by volume, is labeled as solution A；
(2) mixed solution of organic pure and mild deionized water is prepared again, and wherein volume ratio is 1~2:1, by 1~2:1's of mole ratio
It mixes double chelating agents to be added thereto, is labeled as solution B；
(3) solution B is added in solution A, above-mentioned uniform dielectric is transferred in round-bottomed flask, added 0.1 ~ 0.2 g and contain
The CNT of functional group, by being heated to reflux time 3 h ~ 5 h at 150 ~ 220 DEG C, formation CNT@Ti- alkyd salt precursor body will
Gel is in 200~240 DEG C of 5~10 h of heat drying time of convection oven, after presoma is ground 400~600 in Muffle furnace
DEG C 5~10 h of calcination time, heating rate are 1~5 DEG C/min, obtain TiO2/CNT；
(4) 2~4 h of ultrasonic time in deionized water is added in cellulose aquagel film, obtains cellulose suspension；
(5) by the TiO of mass fraction 0~20%2/ CNT is added in above-mentioned fibrous suspension, 30~60 min of ultrasonic disperse, vacuum
Filtering coating, then 60~80 DEG C of hot-pressing dryings, it is multiple to obtain the different nano-cellulose/titanium dioxide/carbon nanotube of mass fraction
Close film.
On the basis of above scheme, the Organic Alcohol is one of isopropanol, propyl alcohol or butanol or combinations thereof.
On the basis of above scheme, the organic titanate is one of tetra-n-butyl titanate or tetraisopropyl titanate
Or combinations thereof.
On the basis of above scheme, double chelating reagents are citric acid (CA), ethylenediamine tetra-acetic acid (EDTA), acetyl
One of acetone, polyacrylic acid (PPA) or combinations thereof.
The present invention provides a kind of nano-cellulose/titanium dioxide/carbon nano-tube compound film, according to any of the above-described the method
It is prepared.
A kind of nano-cellulose/titanium dioxide/carbon nano-tube compound film of the present invention is used as cathode material in lithium ion battery
The application of material.
It is using modified sol-gel method that nano-cellulose and titanium dioxide and carbon nanotube is compound, it not only can be into
One step improves the ionic conductivity of cellulose membrane, while its mechanical performance and heat resistance can be improved.The composite membrane is used for
Mn2CoO4To recycle figure under the current density condition of 100 mA/g, discharging for the first time in the lithium ion button shape cell of negative electrode material
Specific capacity is 1223 mAh/g, and second of specific discharge capacity is 580 mAh/g, and after 50 circulations, specific discharge capacity is about
320 mAh/g, relative to second of specific discharge capacity, capacity retention ratio 55.17%.
Detailed description of the invention
Fig. 1 is 1 nano-cellulose of embodiment/titanium dioxide/carbon nano-tube compound film cycle life figure；
Fig. 2 is 2 nano-celluloses of embodiment/titanium dioxide/carbon nano-tube compound film high rate performance figure；
Fig. 3 is 3 nano-celluloses of embodiment/titanium dioxide/carbon nano-tube compound film cycle life figure.
Specific embodiment
The present invention is described in detail by following specific example, but protection scope of the present invention is not only restricted to these
Examples of implementation.
Embodiment 1
A kind of nano-cellulose/titanium dioxide/carbon nano-tube compound film preparation method, will using modified sol-gel method
Nano-cellulose and titanium dioxide and carbon nanotube are compound, comprising the following steps:
(1) 60:1 carries out mixing wiring solution-forming by volume for isopropanol and butyl titanate, is labeled as solution A；
(2) match the mixed solution of preparing isopropanol and deionized water again, wherein volume ratio is 1:1, and the mixing of mole ratio 2:1 is double
Chelating agent CA and PPA are added thereto, and are labeled as solution B；
(3) solution B is added in solution A, above-mentioned uniform dielectric is transferred in round-bottomed flask, added 0.1g and contain functional group
CNT CNT@Ti- alkyd salt precursor body is formed, by gel at 220 DEG C of convection oven by being heated to reflux 5 h at 180 DEG C
10 h of heat drying, 450 DEG C of 10 h of calcining, heating rate are 2 DEG C/min in Muffle furnace after presoma is ground, and are obtained
TiO2/CNT；
(4) 4 h of ultrasound in deionized water are added in cellulose aquagel film, obtain cellulose suspension；
(5) by the TiO of mass fraction 10%2/ CNT is added in above-mentioned fibrous suspension, ultrasonic disperse 30min, vacuum filter at
Film, then 80 DEG C of hot-pressing dryings, obtain nano-cellulose/titanium dioxide/carbon nano-tube compound film of mass fraction 10%.
The composite membrane is used for Mn2CoO4For in the lithium ion button shape cell of negative electrode material, as shown in Figure 1,100
Figure is recycled under the current density condition of mA/g, first discharge specific capacity is 1223 mAh/g, and second of specific discharge capacity is 580
MAh/g, after 50 circulations, specific discharge capacity is about 320 mAh/g, and relative to second of specific discharge capacity, capacity is kept
Rate is 55.17%.To a certain extent, which improves Mn compared to conventional membrane2CoO4First discharge specific capacity.
Embodiment 2
A kind of nano-cellulose/titanium dioxide/carbon nano-tube compound film preparation method, comprising the following steps:
(1) by propyl alcohol and tetraisopropyl titanate, 70:1 carries out mixing wiring solution-forming by volume, is labeled as solution A；
(2) mixed solution of organic pure and mild deionized water is prepared again, and wherein volume ratio is 1:1, and the mixing of mole ratio 1:1 is double
Chelating agent CA and EDTA are added thereto, and are labeled as solution B；
(3) solution B is added in solution A, above-mentioned uniform dielectric is transferred in round-bottomed flask, added 0.1 g and contain function
The CNT of group is 5 h by being heated to reflux the time at 150 DEG C, CNT@Ti- alkyd salt precursor body is formed, by gel in convection oven
200 DEG C of 10 h of heat drying, 400 DEG C of 10 h of calcining, heating rate are 1 DEG C/min in Muffle furnace after presoma is ground, and are obtained
To TiO2/CNT；
(4) ultrasonic time 2h in deionized water is added in cellulose aquagel film, obtains cellulose suspension；
(5) by the TiO of mass fraction 5%2/ CNT is added in above-mentioned fibrous suspension, ultrasonic disperse 30min, vacuum filter film forming,
Then 60 DEG C of hot-pressing dryings obtain the different nano-cellulose/titanium dioxide/carbon nano-tube compound film of mass fraction.
The composite membrane is used for the Mn of sol-gal process synthesis2CoO4To scheme in the lithium ion button shape cell of negative electrode material
2 be the multiplying power figure under different current density conditions, in the current density item of 100,200,400,800,1600 and 2000 mA/g
Under part, averaged discharge specific capacity is 630,360,280,173,95 and 82 mAh/g, under each current density condition
Specific discharge capacity is not too high, but compared to the Mn2CoO4For material conventional membrane, capacity has under high current density
It is improved.
Embodiment 3
A kind of nano-cellulose/titanium dioxide/carbon nano-tube compound film preparation method, comprising the following steps:
(1) by isopropanol and butyl titanate, 80:1 carries out mixing wiring solution-forming by volume, is labeled as solution A；
(2) match the mixed solution of preparing isopropanol and deionized water again, wherein volume ratio is 1:1, and the mixing of mole ratio 2:1 is double
Chelating agent PPA and EDTA are added thereto, and are labeled as solution B；
(3) solution B is added in solution A, above-mentioned uniform dielectric is transferred in round-bottomed flask, added 0.2 g and contain function
The CNT of group forms CNT@Ti- alkyd salt precursor body, by gel in convection oven 240 by being heated to reflux 5 h at 180 DEG C
DEG C 5 h of heat drying, 500 DEG C of calcination times are 5 h in Muffle furnace after presoma is ground, and heating rate is 2 DEG C/min,
Obtain TiO2/CNT；
(4) 4 h of ultrasonic time in deionized water is added in cellulose aquagel film, obtains cellulose suspension；
(5) by the TiO of mass fraction 20%2/ CNT is added in above-mentioned fibrous suspension, 60 min of ultrasonic disperse, vacuum filter at
Film, then 80 DEG C of hot-pressing dryings, obtain the different nano-cellulose/titanium dioxide/carbon nano-tube compound film of mass fraction.
Fig. 3 is the circulation figure under the current density condition of 100 mA/g, and first discharge specific capacity is 1480 mAh/g, second
Secondary specific discharge capacity is 730 mAh/g, and after 50 circulations, specific discharge capacity is about 350 mAh/g, relative to putting for the second time
Electric specific capacity, capacity retention ratio 47.9%, to a certain extent, the composite diaphragm improve Mn compared to conventional membrane2CoO4's
First discharge specific capacity.
Claims (6)
1. a kind of nano-cellulose/titanium dioxide/carbon nano-tube compound film preparation method, which is characterized in that utilize modification
Sol-gel method is compound by nano-cellulose and titanium dioxide and carbon nanotube, comprising the following steps:
(1) by volume (60~80) by Organic Alcohol and organic titanate: 1 carries out mixing wiring solution-forming, is labeled as solution A；
(2) prepare the mixed solution of organic pure and mild deionized water again, wherein volume ratio be (1~2): 1, by mole ratio (1~
2): the double chelating agents of 1 mixing are added thereto, and are labeled as solution B；
(3) solution B is added in solution A, above-mentioned uniform dielectric is transferred in round-bottomed flask, added 0.1 ~ 0.2 g and contain
The CNT of functional group is the h of 3 h ~ 5 by being heated to reflux the time at 150 ~ 220 DEG C, forms CNT@Ti- alkyd salt precursor body,
By gel in 200~240 DEG C of 5~10 h of heat drying of convection oven, after presoma is ground 400~600 in Muffle furnace
DEG C calcination time is 5~10 h, and heating rate is 1~5 DEG C/min, obtains TiO2/CNT；
(4) 2~4 h of ultrasonic time in deionized water is added in cellulose aquagel film, obtains cellulose suspension；
(5) by the TiO of mass fraction 0~20%2/ CNT is added in above-mentioned fibrous suspension, 30~60 min of ultrasonic disperse, vacuum
Filtering coating, then 60~80 DEG C of hot-pressing dryings, it is multiple to obtain the different nano-cellulose/titanium dioxide/carbon nanotube of mass fraction
Close film.
2. nano-cellulose/titanium dioxide/carbon nano-tube compound film preparation method, feature exist according to claim 1
In the Organic Alcohol be one of isopropanol, propyl alcohol or butanol or combinations thereof.
3. nano-cellulose/titanium dioxide/carbon nano-tube compound film preparation method, feature exist according to claim 1
In the organic titanate is one of tetra-n-butyl titanate or tetraisopropyl titanate or combinations thereof.
4. nano-cellulose/titanium dioxide/carbon nano-tube compound film preparation method, feature exist according to claim 1
In double chelating reagents are citric acid (CA), in ethylenediamine tetra-acetic acid (EDTA), acetylacetone,2,4-pentanedione, polyacrylic acid (PPA)
One kind or combinations thereof.
5. a kind of nano-cellulose/titanium dioxide/carbon nano-tube compound film, it is characterised in that -4 any institute according to claim 1
The method of stating is prepared.
6. a kind of nano-cellulose/titanium dioxide/carbon nano-tube compound film according to claim 5 is made in lithium ion battery
For the application of negative electrode material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910390066.9A CN110071248A (en) | 2019-05-10 | 2019-05-10 | Nano-cellulose/titanium dioxide/carbon nano-tube compound film preparation method and product and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910390066.9A CN110071248A (en) | 2019-05-10 | 2019-05-10 | Nano-cellulose/titanium dioxide/carbon nano-tube compound film preparation method and product and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110071248A true CN110071248A (en) | 2019-07-30 |
Family
ID=67370496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910390066.9A Pending CN110071248A (en) | 2019-05-10 | 2019-05-10 | Nano-cellulose/titanium dioxide/carbon nano-tube compound film preparation method and product and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110071248A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945480A (en) * | 2020-07-14 | 2020-11-17 | 深圳烯湾科技有限公司 | Composite conductive paper containing carbon nano tube and preparation method thereof |
| CN112436128A (en) * | 2020-12-01 | 2021-03-02 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of manganese-cobalt-oxygen composite two-dimensional carbon material for lithium ion battery cathode |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103803490A (en) * | 2014-02-27 | 2014-05-21 | 北京化工大学 | Carbon nanofiber material and preparing method and application of carbon nanofiber material |
| CN104497362A (en) * | 2014-12-12 | 2015-04-08 | 江南大学 | Preparation method of cellulose/nanometre silicon nitride composite film |
| CN106751264A (en) * | 2016-09-18 | 2017-05-31 | 南京林业大学 | A kind of carbon nano tube nano fiber element polyvinyl alcohol composite conducting gel and its preparation method and application |
| CN107799696A (en) * | 2016-08-29 | 2018-03-13 | 比亚迪股份有限公司 | A kind of lithium ion battery separator and preparation method thereof and lithium ion battery |
-
2019
- 2019-05-10 CN CN201910390066.9A patent/CN110071248A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103803490A (en) * | 2014-02-27 | 2014-05-21 | 北京化工大学 | Carbon nanofiber material and preparing method and application of carbon nanofiber material |
| CN104497362A (en) * | 2014-12-12 | 2015-04-08 | 江南大学 | Preparation method of cellulose/nanometre silicon nitride composite film |
| CN107799696A (en) * | 2016-08-29 | 2018-03-13 | 比亚迪股份有限公司 | A kind of lithium ion battery separator and preparation method thereof and lithium ion battery |
| CN106751264A (en) * | 2016-09-18 | 2017-05-31 | 南京林业大学 | A kind of carbon nano tube nano fiber element polyvinyl alcohol composite conducting gel and its preparation method and application |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945480A (en) * | 2020-07-14 | 2020-11-17 | 深圳烯湾科技有限公司 | Composite conductive paper containing carbon nano tube and preparation method thereof |
| CN111945480B (en) * | 2020-07-14 | 2022-07-26 | 深圳烯湾科技有限公司 | Composite conductive paper containing carbon nano tube and preparation method thereof |
| CN112436128A (en) * | 2020-12-01 | 2021-03-02 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of manganese-cobalt-oxygen composite two-dimensional carbon material for lithium ion battery cathode |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Lin et al. | α-Fe2O3 nanorods as anode material for lithium ion batteries | |
| CN104900862B (en) | The P2 phase layered electrode materials and preparation method of symmetrical sodium ion secondary battery | |
| CN106299329B (en) | A kind of lithium-ion-power cell of high capacity titanium system's negative electrode material and its composition | |
| CN100544081C (en) | A kind of nano lithium titanate and with the preparation method of the compound of titanium dioxide | |
| CN102593436A (en) | Self-supporting flexible carbon nano-tube paper composite electrode material for lithium ion battery | |
| CN109980205A (en) | A kind of vanadic anhydride/graphene composite material and its preparation method and application | |
| CN103594693B (en) | A kind of titanium dioxide/niobium-titanium oxide composite material and Synthesis and applications thereof | |
| CN104176783B (en) | The preparations and applicatio method of the coated manganese dioxide nanowire of a kind of nitrogen carbon material | |
| Zhang et al. | Fabricating high performance lithium-ion batteries using bionanotechnology | |
| CN106848251A (en) | A kind of preparation method of CNT lithium titanate composite anode material | |
| CN102633300A (en) | Carbon-coated lithium titanate cathode material as well as preparation method and applications thereof | |
| CN109473659A (en) | A kind of polypyrrole nanotube/Co3O4Particulate composite and preparation method | |
| CN110838583B (en) | Carbon nanotube/M-phase vanadium dioxide composite structure, preparation method thereof and application thereof in water-based zinc ion battery | |
| CN105680041A (en) | Three-dimensional Na3V2(PO4)3 nanowire network electrode material and preparation method and application thereof | |
| CN109659525A (en) | A method of preparing manganese fluorophosphate ferrisodium composite positive pole | |
| CN107068975A (en) | Positive electrode active compound composition and the lithium secondary battery comprising said composition | |
| CN108365199A (en) | Carbon-coated fluorophosphoric acid vanadium potassium carbon nano tube compound material and preparation method and application | |
| CN105406071B (en) | A kind of high magnification vanadium phosphate cathode material and its preparation method and application | |
| CN110379646A (en) | A kind of preparation method based on two selenizing molybdenums/charcoal Asymmetric Supercapacitor | |
| CN110071248A (en) | Nano-cellulose/titanium dioxide/carbon nano-tube compound film preparation method and product and application | |
| CN106602008A (en) | Self-assembly preparation method of lithium manganese phosphate positive electrode material and lithium manganese phosphate positive electrode material | |
| CN104795553B (en) | Anatase TiO2Mix the lithium ion battery negative material of CNT | |
| CN102001702A (en) | Titanium dioxide material and preparation method and application thereof | |
| CN106067550A (en) | A kind of vanadium phosphate cathode material and its preparation method and application | |
| CN113937261A (en) | Lithium-sulfur battery positive electrode material, preparation method thereof and lithium-sulfur battery positive electrode plate |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190730 |