CN109411740A - Phosphorus doping bronze mine phase titanium dioxide nano linear array and its preparation and application - Google Patents
Phosphorus doping bronze mine phase titanium dioxide nano linear array and its preparation and application Download PDFInfo
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- CN109411740A CN109411740A CN201811104783.2A CN201811104783A CN109411740A CN 109411740 A CN109411740 A CN 109411740A CN 201811104783 A CN201811104783 A CN 201811104783A CN 109411740 A CN109411740 A CN 109411740A
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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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
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- 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
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
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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
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/85—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by XPS, EDX or EDAX data
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
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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
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
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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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
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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 kind of phosphorus doping bronze mine phase titanium dioxide nano linear array and its preparation and application, specific preparation method is to be put into titanium sheet in sodium hydroxide solution to carry out hydro-thermal reaction, and then titanium sheet is immersed in hydrochloric acid solution, is dried after cleaning；Then titanium sheet and sodium hypophosphite are put into tube furnace, are passed through protective gas, sodium hypophosphite, titanium sheet is made to be located at the upstream and downstream of air-flow, be warming up to 300-500 DEG C and keep the temperature, phosphorus doping bronze mine phase titanium dioxide nano linear array can be obtained in titanium sheet.The present invention is by adulterating P elements into bronze mine phase titanium dioxide nano linear array, and to preparation method overall flow technological design, the Parameter Conditions of crucial hydro-thermal reaction, heat treatment process improve, the electrochemical lithium storage ability of bronze mine phase titanium dioxide nano linear array is effectively enhanced, the self-supporting negative electrode of lithium ion battery for not needing to add any binder and conductive agent and excellent electrochemical performance can be obtained.
Description
Technical field
The invention belongs to the technologies of preparing of new electrode materials and electrochemical energy storage field, more particularly, to a kind of phosphorus
The preparation method of bronze mine phase titanium dioxide nano linear array is adulterated, material made from the preparation method can be used as high-performance cathode
Material is applied in lithium ion battery.
Background technique
Bronze mine phase titanic oxide has open crystal framework structure and lower lithium ion deintercalation potential (1.5-1.8
Volt), it is suitable as lithium ion battery negative material.In addition, the material shows apparent fake capacitance storage lithium behavior, have quickly
Charging and discharging capabilities.However, the electric conductivity of bronze mine phase titanic oxide is poor as a kind of transition metal oxide, this is lacked
It falls into and seriously hinders the promotion of its capacity and high rate performance, limit the practical application of the material.The present invention uses ion doping
Technology can significantly improve the storage lithium ability of bronze mine phase titanic oxide, and reason is that ion doping can be by decorative material
Electronic structure enhances its electron transport ability.
Summary of the invention
For the disadvantages described above and Improvement requirement of the prior art, the purpose of the present invention is to provide a kind of phosphorus doping bronze mines
Phase titanium dioxide nano linear array and its preparation and application, wherein by being adulterated into bronze mine phase titanium dioxide nano linear array
P elements, and to preparation method overall flow technological design, Parameter Conditions (such as place of crucial hydro-thermal reaction, heat treatment process
Reason temperature and processing time etc.) it improves, bronze mine phase titanium dioxide nano linear array can be effectively improved by phosphorus doping
Capacity and high rate performance, can be obtained it is a kind of do not need to add any binder and conductive agent and excellent electrochemical performance from propping up
Support negative electrode of lithium ion battery.
To achieve the above object, according to one aspect of the present invention, a kind of phosphorus doping bronze mine phase titanic oxide is provided
The preparation method of nano-wire array, which comprises the following steps:
(1) clean titanium sheet is put into sodium hydroxide solution and is carried out hydro-thermal reaction 3-20 hours at 220 DEG C；
(2) it is immersed in hydrochloric acid solution after cleaning up the titanium sheet that the step (1) obtains, then cleans and dry again
It is dry；
(3) by the step (2), treated that titanium sheet is put into tube furnace together with sodium hypophosphite, and into the tube furnace
It is passed through protective gas, the sodium hypophosphite is made to be located at the upstream of air-flow, the titanium sheet is located at the downstream of air-flow, then by the pipe
Formula furnace is warming up to 300-500 DEG C and keeps the temperature, then cooling, and phosphorus doping bronze mine phase titanium dioxide nano can be obtained in titanium sheet
Linear array.
As present invention further optimization, in the step (1), the concentration of the sodium hydroxide solution is 1 mole every
It rises.
As present invention further optimization, in the step (2), the concentration of the hydrochloric acid solution is 1 mole every liter, institute
The time for stating immersion is 30 minutes.
As present invention further optimization, in the step (3), the heating is using 2 degree of heating speed per minute
Rate, the time of the heat preservation are 1-4 hours, and the dosage of the sodium hypophosphite is 0.5-2 grams；The protective gas is argon gas.
As present invention further optimization, in the step (1), the time of the hydro-thermal reaction is 12 hours.
As present invention further optimization, in the step (3), the dosage of the sodium hypophosphite is 1 gram, the heat preservation
Temperature be 400 DEG C, time of the heat preservation is 3 hours.
It is another aspect of this invention to provide that the present invention provides the phosphorus doping being prepared using above-mentioned preparation method bronze
Mine phase titanium dioxide nano linear array.
Another aspect according to the invention, the present invention provides the phosphorus doping being prepared using above-mentioned preparation method bronze
Application of the mine phase titanium dioxide nano linear array as self-supporting electrode.
As present invention further optimization, the application is applied in lithium ion battery particular as cathode.
Contemplated above technical scheme through the invention, compared with prior art, due to bronze mine phase titanic oxide
P elements are adulterated in nano-wire array, can effectively improve the capacity of bronze mine phase titanium dioxide nano linear array and forthright again
Can, it is highly suitable for being applied in such as lithium ion battery as electrode material, is such as used as negative electrode of lithium ion battery application.
The present invention can grow bronze mine phase titanium dioxide nano linear array using hydro-thermal reaction in titanium sheet, pass through control
The nanometer linear array of hydrothermal product can be effectively controlled particularly by being 220 DEG C by the temperature control of hydro-thermal reaction in the hydro-thermal reaction time
Column pattern；Further, phosphorus member effectively can be mixed in these bronze mine phase titanium dioxide nano linear arrays by gas phase doping
Element can be obtained and a kind of not need to add any binder and conductive agent and the self-supporting lithium ion battery of excellent electrochemical performance is negative
Pole.The available phosphorus doping bronze mine phase titanium dioxide nano linear array being grown in titanium sheet of preparation method of the present invention, meeting exist
Light blue film product is generated in titanium sheet.Phosphorus doping can enhance the surface reaction activity of bronze mine phase titanic oxide and electronics passes
Movement Capabilities, to effectively improve its capacity and high rate performance.
The present invention realizes for the first time adulterates phosphorus in bronze mine phase titanium dioxide nano linear array, how to bronze mine phase dioxy
Incorporation P elements are the difficult points in R&D process of the present invention without bringing it about phase transition in change titanium.Bronze mine phase titanic oxide is
A kind of titanium dioxide of metastable phase mixes other elements into the material using traditional liquid phase or solid phase doping methods and is easy to cause
Phase transition occurs for the material.To overcome this difficult point, the present invention uses gas phase doping method, by using sodium hypophosphite as doping
Source, and the temperature of doping reaction is controlled, successfully P elements are mixed in metastable phase bronze mine phase titanium dioxide nano linear array.
Also, the present invention is also preferably controlled by dosage to phosphorus source and reaction time, and the incorporation of phosphorus can be advanced optimized
Amount preferably guarantees the phase stability of bronze mine phase titanic oxide, to preferably play phosphorus doping to bronze mine phase titanium dioxide
The castering action of titanium chemical property effectively enhances the electrochemical lithium storage ability of bronze mine phase titanium dioxide nano linear array.
Detailed description of the invention
Resulting phosphorus doping bronze mine phase titanium dioxide when being 1 gram that (a) and (b) in Fig. 1 is respectively the quality of sodium hypophosphite
Scanning electron microscope (SEM) figure and x-ray photoelectron spectroscopy (XPS) figure of titanium nano-wire array.
Fig. 2 is that (quality of homologous thread a) and sodium hypophosphite is 1 gram undoped with bronze mine phase titanium dioxide nano linear array
When resulting phosphorus doping bronze mine phase titanium dioxide nano linear array (homologous thread b) is 1C (1C=in charging and discharging currents density
335 milliamperes every gram) when first charge-discharge figure.
Fig. 3 is that (quality of homologous thread a) and sodium hypophosphite is 1 gram undoped with bronze mine phase titanium dioxide nano linear array
When resulting phosphorus doping bronze mine phase titanium dioxide nano linear array (the high rate performance figure of homologous thread b).
Fig. 4 is that (quality of homologous thread a) and sodium hypophosphite is 1 gram undoped with bronze mine phase titanium dioxide nano linear array
When resulting phosphorus doping bronze mine phase titanium dioxide nano linear array (the electrochemical impedance figure of homologous thread b).
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
The preparation method of phosphorus doping bronze mine phase titanium dioxide nano linear array in the present invention is to pass through water for summary
What thermally grown and two step means of gas phase doping were realized, may include step in detail below:
(1) clean titanium sheet is put into the hydro-thermal process for carrying out certain time in sodium hydroxide solution, is grown in titanium sheet
Presoma sodium titanate nano-wire array out；
(2) titanium sheet that hydro-thermal process is crossed is immersed in hydrochloric acid solution after cleaning up, and keeps the hydrogen ion in solution complete
Replace the sodium ion in sodium titanate, then titanium sheet is cleaned and dried again；
(3) by after drying titanium sheet and a certain amount of sodium hypophosphite be put into the tube furnace of ventilation, sodium hypophosphite is placed in
Air-flow upstream, titanium sheet are placed in airflow downstream；
(4) under protective atmosphere, it is warming up to certain temperature, is down to room temperature after keeping the temperature a period of time；
(5) light blue film product is generated in titanium sheet.
The concentration of the sodium hydroxide solution and hydrochloric acid solution all can be 1 mole every liter.
The time of the hydro-thermal reaction can be 3-20 hours, and the time that titanium sheet is impregnated in hydrochloric acid solution can be 30 points
Clock.
The dosage of the sodium hypophosphite can be 0.5-2 grams.The product that the method obtains is the phosphorus being grown in titanium sheet
Adulterate bronze mine phase titanium dioxide nano linear array.
The protection gas can be argon gas.
The heating rate can be for 2 degree per minute.
The holding temperature is 300-500 degree.
The soaking time can be 1-4 hours.
Preferentially, the time of hydro-thermal reaction described in step (1) be 12 hours more preferably.
Preferentially, the dosage of sodium hypophosphite described in step (3) be 1 gram more preferably.
Preferentially, soaking time described in step (4) be 400 degree more preferably.
Preferentially, soaking time described in step (4) be 3 hours more preferably.
The following are specific embodiments:
Embodiment 1
Clean titanium sheet is put into the water heating kettle liner that volume is 50 milliliters, then 30 milliliters of concentration are added into liner and are
1 mole every liter of sodium hydroxide solution, then tightens reaction kettle and place it in 220 degree of electronic oven and keep the temperature 3 hours；Instead
After the completion of answering, the titanium sheet rinsed well is impregnated 30 minutes in 1 mole every liter of hydrochloric acid solution, is then again rinsed titanium sheet dry
Only it and dries；The titanium sheet of drying and 0.5 gram of sodium hypophosphite are placed in tube furnace (for sodium hypophosphite in upstream, titanium sheet is in downstream),
Under argon atmosphere protection, it is warming up to 300 degree per minute with 2 degree and keeps the temperature 4 hours, is cooled to room temperature to tube furnace and completes
Preparation process；There is light blue film to generate in titanium sheet, the reversible capacity of the material is 230.5 every gram of milliampere hour.
Embodiment 2
Clean titanium sheet is put into the water heating kettle liner that volume is 50 milliliters, then 30 milliliters of concentration are added into liner and are
1 mole every liter of sodium hydroxide solution, then tightens reaction kettle and place it in 220 degree of electronic oven and keep the temperature 12 hours；
After the reaction was completed, the titanium sheet rinsed well is impregnated 30 minutes in 1 mole every liter of hydrochloric acid solution, then again rinses titanium sheet
Completely and dry；The titanium sheet of drying and 0.5 gram of sodium hypophosphite be placed in tube furnace to (for sodium hypophosphite in upstream, titanium sheet is under
Trip), under argon atmosphere protection, it is warming up to 400 degree per minute with 2 degree and keeps the temperature 3 hours, is cooled to room temperature i.e. to tube furnace
Complete preparation process；There is light blue film to generate in titanium sheet, the reversible capacity of the material reaches 278.3 every gram of milliampere hour.
Embodiment 3
Clean titanium sheet is put into the water heating kettle liner that volume is 50 milliliters, then 30 milliliters of concentration are added into liner and are
1 mole every liter of sodium hydroxide solution, then tightens reaction kettle and place it in 220 degree of electronic oven and keep the temperature 12 hours；
After the reaction was completed, the titanium sheet rinsed well is impregnated 30 minutes in 1 mole every liter of hydrochloric acid solution, then again rinses titanium sheet
Completely and dry；The titanium sheet of drying and 1 gram of sodium hypophosphite are placed in tube furnace (for sodium hypophosphite in upstream, titanium sheet is in downstream),
Under argon atmosphere protection, it is warming up to 400 degree per minute with 2 degree and keeps the temperature 3 hours, is cooled to room temperature to tube furnace and completes
Preparation process；There is light blue film to generate in titanium sheet, the reversible capacity of the material is up to 350.9 every gram of milliampere hour, and shows
Good high rate performance out.
Embodiment 4
Clean titanium sheet is put into the water heating kettle liner that volume is 50 milliliters, then 30 milliliters of concentration are added into liner and are
1 mole every liter of sodium hydroxide solution, then tightens reaction kettle and place it in 220 degree of electronic oven and keep the temperature 12 hours；
After the reaction was completed, the titanium sheet rinsed well is impregnated 30 minutes in 1 mole every liter of hydrochloric acid solution, then again rinses titanium sheet
Completely and dry；The titanium sheet of drying and 2 grams of sodium hypophosphites are placed in tube furnace (for sodium hypophosphite in upstream, titanium sheet is in downstream),
Under argon atmosphere protection, it is warming up to 400 degree per minute with 2 degree and keeps the temperature 3 hours, is cooled to room temperature to tube furnace and completes
Preparation process；There is light blue film to generate in titanium sheet, the reversible capacity of the material is up to 407.6 every gram of milliampere hour, however it is electric
There is slightly decline in chemical stability, the reason is that excessive phosphorus doping destroys the phase structure of the material.
Embodiment 5
Clean titanium sheet is put into the water heating kettle liner that volume is 50 milliliters, then 30 milliliters of concentration are added into liner and are
1 mole every liter of sodium hydroxide solution, then tightens reaction kettle and place it in 220 degree of electronic oven and keep the temperature 20 hours；
After the reaction was completed, the titanium sheet rinsed well is impregnated 30 minutes in 1 mole every liter of hydrochloric acid solution, then again rinses titanium sheet
Completely and dry；The titanium sheet of drying and 0.5 gram of sodium hypophosphite be placed in tube furnace to (for sodium hypophosphite in upstream, titanium sheet is under
Trip), under argon atmosphere protection, it is warming up to 500 degree per minute with 2 degree and keeps the temperature 1 hour, is cooled to room temperature i.e. to tube furnace
Complete preparation process；There is light blue film to generate in titanium sheet, the reversible capacity of the material reaches 257.6 every gram of milliampere hour.
Other embodiments are identical with more than, only the dosage of sodium hypophosphite, and holding temperature or soaking time are different.
The present invention also uses undoped bronze mine phase titanium dioxide nano linear array (will be secondary i.e. in gas phase doping processing
The quality settings of sodium phosphate are 0 gram, namely do not use sodium hypophosphite) as a comparison case.Fig. 2, Fig. 3, Fig. 4 are the comparative example and reality
The comparison diagram for applying example 3, by these figures it is not difficult to find that phosphorus doping can effectively enhance bronze mine phase titanium dioxide nano linear array
Capacity and high rate performance, can be obtained it is a kind of do not need to add any binder and conductive agent and excellent electrochemical performance from propping up
Support electrode.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (9)
1. a kind of preparation method of phosphorus doping bronze mine phase titanium dioxide nano linear array, which comprises the following steps:
(1) clean titanium sheet is put into sodium hydroxide solution and is carried out hydro-thermal reaction 3-20 hours at 220 DEG C；
(2) it is immersed in hydrochloric acid solution after cleaning up the titanium sheet that the step (1) obtains, then cleans and dry again；
(3) by the step (2), treated that titanium sheet is put into tube furnace together with sodium hypophosphite, and is passed through into the tube furnace
Protective gas makes the sodium hypophosphite be located at the upstream of air-flow, and the titanium sheet is located at the downstream of air-flow, then by the tube furnace
It is warming up to 300-500 DEG C and keeps the temperature, it is then cooling, phosphorus doping bronze mine phase titanium dioxide nano linear array can be obtained in titanium sheet
Column.
2. the preparation method of phosphorus doping bronze mine phase titanium dioxide nano linear array as described in claim 1, which is characterized in that institute
It states in step (1), the concentration of the sodium hydroxide solution is 1 mole every liter.
3. the preparation method of phosphorus doping bronze mine phase titanium dioxide nano linear array as described in claim 1, which is characterized in that institute
It states in step (2), the concentration of the hydrochloric acid solution is 1 mole every liter, and the time of the immersion is 30 minutes.
4. the preparation method of phosphorus doping bronze mine phase titanium dioxide nano linear array as described in claim 1, which is characterized in that institute
It states in step (3), the heating is using 2 degree of heating rates per minute, and the time of the heat preservation is 1-4 hours；Described time
The dosage of sodium phosphate is 0.5-2 grams；The protective gas is argon gas.
5. the preparation method of phosphorus doping bronze mine phase titanium dioxide nano linear array as described in claim 1, which is characterized in that institute
It states in step (1), the time of the hydro-thermal reaction is preferably 12 hours.
6. the preparation method of phosphorus doping bronze mine phase titanium dioxide nano linear array as described in claim 1, which is characterized in that institute
It states in step (3), the dosage of the sodium hypophosphite is preferably 1 gram, and the temperature of the heat preservation is preferably 400 DEG C, the heat preservation
Time is preferably 3 hours.
7. the phosphorus doping bronze mine phase titanic oxide being prepared using preparation method as claimed in any one of claims 1 to 6
Nano-wire array.
8. the phosphorus doping bronze mine phase titanic oxide being prepared using preparation method as claimed in any one of claims 1 to 6
Application of the nano-wire array as self-supporting electrode.
9. application as claimed in claim 8, which is characterized in that the application is applied to lithium ion battery particular as cathode
In.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921005A (en) * | 2019-03-14 | 2019-06-21 | 福建师范大学 | Blue titania-doped (B) nano wire of phosphate radical and its preparation method and application |
| CN112467081A (en) * | 2020-12-02 | 2021-03-09 | 四川大学 | High-load self-supporting lithium titanate electrode with multilayer hierarchical nanostructure and preparation method thereof |
| CN114361387A (en) * | 2022-01-12 | 2022-04-15 | 四川大学 | Self-supporting B-type titanium dioxide nano long strip network electrode and preparation method thereof |
| CN114843119A (en) * | 2022-04-30 | 2022-08-02 | 上海应用技术大学 | Preparation method of black Ti-P-O nanotube array electrode material for super capacitor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921005A (en) * | 2019-03-14 | 2019-06-21 | 福建师范大学 | Blue titania-doped (B) nano wire of phosphate radical and its preparation method and application |
| CN109921005B (en) * | 2019-03-14 | 2022-01-04 | 福建师范大学 | Blue phosphate radical doped titanium dioxide (B) nanowire and preparation method and application thereof |
| CN112467081A (en) * | 2020-12-02 | 2021-03-09 | 四川大学 | High-load self-supporting lithium titanate electrode with multilayer hierarchical nanostructure and preparation method thereof |
| CN112467081B (en) * | 2020-12-02 | 2021-10-15 | 四川大学 | High-load self-supporting lithium titanate electrode with multilayer hierarchical nanostructure and preparation method thereof |
| CN114361387A (en) * | 2022-01-12 | 2022-04-15 | 四川大学 | Self-supporting B-type titanium dioxide nano long strip network electrode and preparation method thereof |
| CN114843119A (en) * | 2022-04-30 | 2022-08-02 | 上海应用技术大学 | Preparation method of black Ti-P-O nanotube array electrode material for super capacitor |
| CN114843119B (en) * | 2022-04-30 | 2023-11-07 | 上海应用技术大学 | Preparation method of black Ti-P-O nanotube array electrode material for super capacitor |
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