CN108539165A - Antimony oxide/redox graphene nanocomposite and its preparation and application - Google Patents
Antimony oxide/redox graphene nanocomposite and its preparation and application Download PDFInfo
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- CN108539165A CN108539165A CN201810315640.XA CN201810315640A CN108539165A CN 108539165 A CN108539165 A CN 108539165A CN 201810315640 A CN201810315640 A CN 201810315640A CN 108539165 A CN108539165 A CN 108539165A
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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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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
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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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- 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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- 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
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
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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
It is that GO ultrasonic disperses are formed into graphene oxide aqueous dispersions in water the present invention provides a kind of preparation method of antimony oxide/redox graphene nanocomposite；By Sb2O3Ultrasonic disperse forms antimony oxide alcohol dispersion liquid in alcohols solvent, then two kinds of dispersion liquids is mixed and after magnetic agitation dispersion, the solvent thermal reaction 8 ~ 24 hours at confined condition, 120 ~ 180 DEG C, after removing pressure, filtering, it is dry to get antimony oxide/redox graphene nanocomposite.The present invention is by controlling raw material and Sb2O3Ratio, be prepared for the nanocomposite Sb of different structure x O y /rGO.Electrochemical property test the result shows that, Sb x O y / rGO nanocomposites have good chemical property, possess good development prospect as lithium ion battery negative material.
Description
Technical field
The present invention relates to a kind of preparation methods more particularly to one of antimony oxide/redox graphene nanocomposite
Walk solvent structure antimony oxide/redox graphene（Sb x O y /rGO）The method of nanocomposite, be mainly used for lithium from
Sub- cell negative electrode material.
Background technology
Lithium ion battery (Lithium Ion Battery, abbreviation LIB) is after nickel-cadmium cell, Ni-MH battery
Three generations's small battery.As a kind of novel electrochmical power source, its high, discharge potential curve bigger than energy with operating voltage
Steadily, self discharge is small, have extended cycle life, low temperature performance well, the prominent advantage such as memoryless, pollution-free, disclosure satisfy that people couple
The required battery smart lightweight of portable electronics and environmentally friendly double requirements are widely used in mobile communication, notes
This computer is taken the photograph and puts the compact electronic devices such as all-in-one machine, and the ideal source that the following electric vehicle uses.Preceding commercialization
The negative material of lithium ion battery is graphite and the carbon material of other forms.Since the theoretical capacity of graphite only has 372mAh
g-1, and intercalation potential is relatively low, limits its use scope.Compared with the carbon materials such as graphite, certain antimony-containing alloys, which have, relatively to be managed
When volume and capacity ratio, application prospect are very wide for the intercalation potential thought and higher quality.These antimony-containing alloys generally use
Prepared by solid sintering technology, this method equipment costliness, complex process require height to raw material so that manufacturing cost greatly improves.Separately
Outside, due to antimony-containing alloy, volume change is larger in charge and discharge process, along with material particle size prepared by solid phase method is larger
And be unevenly distributed, so the electrochemical stability of gained antimony-containing alloy material is poor.In addition, since antimony-containing alloy is in charge and discharge
Volume change is larger in the process, along with the material particle size of solid phase method preparation is larger and is unevenly distributed, so gained antimony
The electrochemical stability of base alloy material is poor.The method for improving alloy anode cyclical stability at present have material nano and
Composite.
The preparation of antimony oxygen compound/graphene composite material generally uses antimonic salt for antimony source, is introduced in preparation process
The anion such as unwanted chlorion, these anion will go into addition product --- the solution generated during material preparation
In, cause these solution to become waste liquid, could discharge or use after additional harmless treatment need to be carried out to it, causes resource unrestrained
Take and complicated subsequent processing.The introducing of these anion returns production and obtains product and bring ionic soil, it is more difficult to obtain purity
High product, causes product quality problem.
Invention content
The purpose of the present invention is be directed to prepare in the prior art antimony oxygen compound/graphene composite material there are the problem of,
One kind is provided with graphene oxide（GO）And antimony oxide（Sb2O3）For direct material, pass through a step solvent structure
Sb x O y / redox graphene（Sb x O y /rGO）The method of nanocomposite.
One, the preparation of antimony oxide/redox graphene nanocomposite
The method that the present invention prepares antimony oxide/redox graphene nanocomposite is by graphene oxide（GO）Ultrasound
It is dispersed in water the graphene oxide suspension to form a concentration of 2 ~ 20 g/L；By antimony oxide（Sb2O3）Ultrasonic disperse is in alcohol
Class solvent（Ethyl alcohol, ethylene glycol etc.）The middle antimony oxide suspension for forming a concentration of 2 ~ 100 g/L；Two kinds of suspension are mixed again
After merging magnetic agitation is uniform, solvent thermal reaction 8 ~ 24 hours at confined condition, 120 ~ 180 DEG C, after removing pressure, product warp
Washing, filtering are dry to get antimony oxide/redox graphene nanocomposite（Sb x O y /rGO）And filtered filtrate
It can directly return and be used as the solvent for preparing this series composite materials again.
Synthetic product composite material Sb x O y / rGO can be Sb2O3/rGO、Sb2O4/rGO、Sb6O13/ rGO, specific ingredient can be by
Material rate controls.In mixing suspension, work as graphene oxide（GO）And antimony oxide（Sb2O3）Quality be 1:20~1:3
When, obtained nanocomposite is Sb2O3/rGO；Work as graphene oxide（GO）And antimony oxide（Sb2O3）Quality be 1:
3~1:When 1, obtained nanocomposite is Sb2O4/rGO；Work as graphene oxide（GO）And antimony oxide（Sb2O3）Matter
Amount is 1:1~1:When 0.1, obtained nanocomposite is Sb6O13/rGO。
Two, the structural characterization of antimony oxide/redox graphene nanocomposite
Below by x-ray diffraction pattern（XRD）, scanning electron microscope (SEM) photograph（SEM）And projection electron microscope（TEM）It prepared by the present invention
The structure of antimony oxide/redox graphene nanocomposite is characterized.
Fig. 1,2,3 are respectively Sb prepared by the present invention2O3XRD, SEM and TEM of/rGO composite materials.Occur in Fig. 1
Sb2O3Main feature diffraction maximum, without the appearance of other miscellaneous peaks.Illustrate to work as graphene oxide（GO）And antimony oxide
（Sb2O3）Quality be 1:20~1:Pass through solvent heat treatment when 3, obtains Sb2O3/ rGO nanocomposites.It can by Fig. 2
To find out, the Sb of preparation2O3Nano particle is uniformly anchored on redox graphene（rGO）On surface, Sb2O3Nano particle
There is not agglomeration.As seen in Figure 3, the Sb of preparation2O3/ rGO nanocomposites have a nanometer ruler inside rGO
Very little Sb2O3Distribution.Phenetic analysis shows the Sb of nano-scale2O3Equably be anchored/be wrapped on rGO, when as lithium from
The Sb of nano-scale when sub- cell negative electrode material2O3And the supporting role of rGO all alleviates Sb very well2O3/ rGO composite materials
Volume expansion in charge and discharge process, to have good cyclical stability.
Fig. 5,6,7 are respectively Sb prepared by the present invention2O4XRD, SEM and TEM of/rGO composite materials.It can be seen by Fig. 5
Go out, Sb occurs2O4Main feature diffraction maximum, there is the characteristic peak of redox graphene at 19.5 °.Illustrate when oxidation
Graphene（GO）And antimony oxide（Sb2O3）Quality be 1:3~1:Pass through solvent heat treatment when 1, obtains Sb2O4/ rGO receives
Nano composite material.As seen in Figure 6, the Sb being prepared2O4Nano particle is uniformly anchored on redox graphene
（rGO）On surface, there is not agglomeration.By figure as can be seen that the Sb prepared2O4Its nanometer of/rGO nanocomposites
The Sb of size2O4It is dispersed in inside rGO.Phenetic analysis shows the Sb of nano-scale2O4Equably be anchored/it is wrapped in rGO
On, the Sb of nano-scale when as lithium ion battery negative material2O4And the supporting role of rGO all alleviates very well
Sb2O4Volume expansion of/rGO the composite materials in charge and discharge process, to have good cyclical stability.
Fig. 9,10,11 are respectively Sb prepared by the present invention6O13XRD, SEM and TEM of/rGO composite materials.It can by Fig. 9
To find out, there is Sb6O13Main feature diffraction maximum, 22.8 ° nearby there is the characteristic peak of redox graphene.It says
It is bright to work as graphene oxide（GO）And antimony oxide（Sb2O3）Quality be 1:1~1:Pass through solvent heat treatment when 0.1, obtains
Sb6O13/ rGO nanocomposites.As seen in Figure 10, a small amount of Sb6O13Nano particle is anchored at oxygen reduction fossil
Black alkene（rGO）On surface, there is not agglomeration.The Sb being prepared as seen in Figure 116O13/ rGO is nano combined
Material has the Sb of more nano-scale inside rGO6O13And it is evenly dispersed well.Phenetic analysis shows nano-scale
Sb6O13It is equably anchored/is wrapped on rGO, the Sb of nano-scale when as lithium ion battery negative material6O13And
The supporting role of rGO all alleviates Sb very well6O13Volume expansion of/rGO the composite materials in charge and discharge process, to good
Good cyclical stability.
Three, performance when antimony oxide/redox graphene nanocomposite is as lithium ion battery negative material is surveyed
Examination
1, test method
By a certain amount of antimony oxide/redox graphene nanocomposite and Kynoar and acetylene black grinding modulation slurry
After material, it is assembled into button cell and the test of cycle performance is carried out to it using blue electrical measurement test system.
2, test result
Antimony oxide/redox graphene（Sb2O3/rGO）Composite material when as lithium ion battery negative material,
Current density is 100 mA g-1When first charge discharge efficiency reach 58.9%, have 1206.8 mAh g of higher reversible specific capacity for the first time-1, 100 times cycle after reversible specific capacity can be maintained at 766.9 mAh g-1, there is good cyclical stability（See Fig. 4）.
Antimony tetroxide/redox graphene（Sb2O4/rGO）Composite material is when as lithium ion battery negative material
When, it is 100 mA g in current density-1When first charge discharge efficiency reach 52%, have higher 676.2 mAh of reversible specific capacity for the first time
g-1, 200 times cycle after reversible specific capacity can be maintained at 525.9 mAh g-1, there is good cyclical stability（See Fig. 8）.
13 oxidation six antimony/redox graphenes（Sb6O13/rGO）Composite material is when as negative electrode of lithium ion battery material
It is 100 mA g in current density when material-1When have 840.3 mAh g of higher reversible specific capacity for the first time-1, 200 cycles
Reversible specific capacity can be maintained at 782.1 mAh g afterwards-1, there is good cyclical stability（See Figure 12）.
In conclusion direct material of the present invention is with GO and Sb2O3For raw material, Sb is prepared for by solvent-thermal method x O y / rGO receives
Nano composite material, and by controlling raw material GO and Sb2O3Ratio, be prepared for the nanocomposite Sb of different structure2O3/
rGO、Sb2O4/ rGO and Sb6O13/rGO.During solvent thermal reaction, Sb2O3With ethylene glycol（Ethyl alcohol）Reaction generates ethylene glycol
Antimony（Ethyl alcohol antimony）, subsequent antimony glycol（Ethyl alcohol antimony）Hydrolysis occurs and under oxygen-containing functional group effect of its product on the surfaces GO
Redox reaction occurs and is converted to SbxOy.And the reaction consumption of GO itself oxygen-containing functional groups is changed into rGO and is stayed on its surface
A large amount of defect sites down.Finally make the Sb with nano-scalexOyIn rGO surface defect positions homogeneous nucleations, and rGO layers right
SbxOyNano particle also plays the effect of anchoring and support, avoids nano particle Sb wellxOyAgglomeration traits, to
Form Sb x O y / rGO composite materials.The composite material, which is applied to lithium ion battery negative material, has excellent cyclical stability.
Description of the drawings
Fig. 1 is Sb made from example 12O3/ redox graphene（Sb2O3/rGO）The x-ray diffraction pattern of composite material
（XRD）.
Fig. 2 is Sb made from example 12O3/ redox graphene（Sb2O3/rGO）The scanning electron microscope (SEM) photograph of composite material
（SEM）.
Fig. 3 is Sb made from example 12O3/ redox graphene（Sb2O3/rGO）The projection electron microscope of composite material
（TEM）.
Fig. 4 is Sb made from example 12O3/ redox graphene（Sb2O3/rGO）The cycle performance figure of composite material.
Fig. 5 is Sb made from example 22O4/ redox graphene（Sb2O4/rGO）The x-ray diffraction pattern of composite material
（XRD）.
Fig. 6 is Sb made from example 22O4/ redox graphene（Sb2O4/rGO）The scanning electron microscope (SEM) photograph of composite material
（SEM）.
Fig. 7 is Sb made from example 22O4/ redox graphene（Sb2O4/rGO）The projection electron microscope of composite material
（TEM）.
Fig. 8 is Sb made from example 22O4/ redox graphene（Sb2O4/rGO）The cycle performance figure of composite material.
Fig. 9 is Sb made from example 36O13/ redox graphene（Sb6O13/rGO）The x-ray diffraction pattern of composite material
（XRD）.
Figure 10 is Sb made from example 36O13/ redox graphene（Sb6O13/rGO）The scanning electron microscope (SEM) photograph of composite material
（SEM）.
Figure 11 is Sb made from example 36O13/ redox graphene（Sb6O13/rGO）The projection electron microscope of composite material
（TEM）.
Figure 12 is Sb made from example 36O13/ redox graphene（Sb6O13/rGO）The cycle performance figure of composite material.
Specific implementation mode
Below by specific embodiment and attached drawing to Sb2O3It is raw material with graphene oxide, it is molten by a simple step
The hot method of agent synthesizes Sb2O4/ redox graphene（Sb2O4/rGO）Composite material elaborates.
Embodiment 1
Graphene oxide is synthesized by improved Hummers methods first（GO）, and be dispersed in water GO to form concentration 2.5g/L
GO aqueous dispersions；By Sb2O3Ultrasonic disperse forms the Sb of concentration 5g/L in ethylene glycol2O3Dispersion liquid；Take 30mlGO moisture
Dispersion liquid and 60ml Sb2O3Alcohol dispersion liquid, and two kinds of dispersion liquids are mixed, GO and Sb in the mixed liquor2O3Mass ratio be 1:4.So
Vigorous magnetic stirs 2.0 hours and forms uniform suspension afterwards, and mixture is transferred to the stainless steel of 100mL teflon linings
It in autoclave, in confined conditions, is handled 8 hours in conventional ovens at 120 DEG C, then removes pressure, will obtained after heat treatment
The product arrived uses distilled water and absolute ethyl alcohol fully to wash, filter successively, is then dried in vacuum overnight, is purified in 80 DEG C
Composite material Sb2O3/rGO.Its pattern and structural characterization are shown in Fig. 1 ~ 3.
Composite material Sb2O3/ rGO is applied to lithium ion battery negative material, is 100 mA g in current density-1When, tool
There are 1206.8 mAh g of higher reversible specific capacity for the first time-1, 100 times cycle after reversible specific capacity can be maintained at 766.9 mAh
g-1, there is excellent cyclical stability, chemical property to see Fig. 4.
Embodiment 2
Graphene oxide is synthesized by improved Hummers methods first（GO）, and be dispersed in water GO to form concentration 11.0g/L
GO aqueous dispersions；By Sb2O3Ultrasonic disperse forms the Sb of concentration 15g/L in ethylene glycol2O3Dispersion liquid；Take 18.2mlGO water
Dispersion liquid and 20ml Sb2O3Alcohol dispersion liquid, and two kinds of dispersion liquids are mixed, GO and Sb in the mixed liquor2O3Mass ratio be 1:
1.5.Then vigorous magnetic stirs 3.0 hours and forms uniform suspension, and mixture is transferred to 100mL teflon linings
It in stainless steel autoclave, in confined conditions, is handled 12 hours in conventional ovens at 140 DEG C, then removes pressure, at heat
The product obtained after reason uses distilled water and absolute ethyl alcohol fully to wash, filter successively, is then dried in vacuum overnight, obtains in 80 DEG C
The composite material Sb of purifying2O4/rGO.Its pattern and structural characterization are shown in Fig. 5 ~ 7.
Composite material Sb2O4/ rGO is applied to lithium ion battery negative material, is 100 mA g in current density-1Shi Shouci
Efficiency reaches 52%, has 676.2 mAh g of higher reversible specific capacity for the first time-1, 200 times cycle after reversible specific capacity can protect
It holds in 525.9 mAh g-1, there is good cyclical stability.Its chemical property is shown in Fig. 8.
Embodiment 3
Graphene oxide is synthesized by improved Hummers methods first（GO）, and be dispersed in water GO to form concentration 18.0g/L
GO aqueous dispersions；By Sb2O3Ultrasonic disperse forms the Sb of concentration 25g/L in ethylene glycol2O3Dispersion liquid；Take 25mlGO moisture
Dispersion liquid and 12ml Sb2O3Alcohol dispersion liquid, and two kinds of dispersion liquids are mixed, GO and Sb in the mixed liquor2O3Mass ratio be 1：0.67.
Then vigorous magnetic stirs 4.0 hours and forms uniform suspension, and mixture is transferred to the stainless of 100mL teflon linings
In steel autoclave, in confined conditions, is handled 24 hours in conventional ovens at 180 DEG C, pressure is then removed, after heat treatment
Obtained product uses distilled water and absolute ethyl alcohol fully to wash, filter successively, is then dried in vacuum overnight, is purified in 80 DEG C
Composite material Sb6O13/rGO.Its pattern and structural characterization are shown in Fig. 9 ~ 11.
Composite material Sb6O13/ rGO is applied to lithium ion battery negative material, is 100 mA g in current density-1When have
840.3 mAh g of higher reversible specific capacity for the first time-1, 200 times cycle after reversible specific capacity can be maintained at 782.1 mAh g-1, there is good cyclical stability.Its chemical property is shown in Figure 12.
Claims (9)
1. a kind of preparation method of antimony oxide/redox graphene nanocomposite is by graphene oxide ultrasonic disperse
Yu Shuizhong forms graphene oxide aqueous dispersions；Antimony oxide ultrasonic disperse is formed into antimony oxide alcohol in alcohols solvent
Dispersion liquid, then by after two kinds of dispersion liquids mixing and magnetic agitation, solvent thermal reaction 8 ~ 24 is small at confined condition, 120 ~ 180 DEG C
When, after removing pressure, filtering is dry to get antimony oxide/redox graphene nanocomposite.
2. a kind of preparation method of antimony oxide/redox graphene nanocomposite as described in claim 1, feature exist
In：In graphene oxide aqueous dispersions, a concentration of 2 ~ 20 g/L of graphene oxide.
3. a kind of preparation method of antimony oxide/redox graphene nanocomposite as described in claim 1, feature exist
In：The alcohols solvent is ethyl alcohol or ethylene glycol.
4. a kind of preparation method of antimony oxide/redox graphene nanocomposite as described in claim 1, feature exist
In：In the antimony oxide alcohol dispersion liquid, a concentration of 2 ~ 100 g/L of antimony oxide.
5. a kind of preparation method of antimony oxide/redox graphene nanocomposite as described in claim 1, feature exist
In：The magnetic agitation time of the mixed liquor is 2 ~ 5 hours.
6. a kind of preparation method of antimony oxide/redox graphene nanocomposite as described in claim 1, feature exist
In：In mixing suspension, graphene oxide（GO）And antimony oxide（Sb2O3）Mass ratio be 1:20~1:When 3, what is obtained answers
Condensation material is Sb2O3/rGO。
7. a kind of preparation method of antimony oxide/redox graphene nanocomposite as described in claim 1, feature exist
In：In mixing suspension, graphene oxide（GO）And antimony oxide（Sb2O3）Mass ratio be 1:3~1:When 1, what is obtained answers
Condensation material is Sb2O4/rGO。
8. a kind of preparation method of antimony oxide/redox graphene nanocomposite as described in claim 1, feature exist
In：In mixing suspension, graphene oxide（GO）And antimony oxide（Sb2O3）Mass ratio be 1:1~1:When 0.1, obtain
Composite material is Sb6O13/rGO。
9. antimony oxide/redox graphene nanocomposite prepared by method as described in claim 1 is negative as lithium ion
The application of pole material.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110120516A (en) * | 2019-06-20 | 2019-08-13 | 西北师范大学 | A kind of preparation method of antimony/redox graphene composite material |
| CN110190265A (en) * | 2019-06-20 | 2019-08-30 | 西北师范大学 | A kind of preparation method of antimony-antimony oxide/redox graphene composite material |
| CN110190256A (en) * | 2019-05-23 | 2019-08-30 | 广东工业大学 | A kind of antimony oxide/nitrogen-doped graphene composite material and preparation method and application |
| CN110190246A (en) * | 2019-06-24 | 2019-08-30 | 陕西科技大学 | A kind of Sb2O3The preparation method of/carbon felt flexibility anode material of lithium-ion battery |
| CN110364706A (en) * | 2019-06-27 | 2019-10-22 | 华南理工大学 | A kind of antimony oxide base negative electrode material and preparation method thereof with high reversible capacity |
| CN112038623A (en) * | 2020-09-09 | 2020-12-04 | 陕西科技大学 | Sb based on controllable construction of carbon cloth substrate2O4Self-supporting electrode material for sodium ion battery cathode and preparation method thereof |
| CN114824219A (en) * | 2022-05-06 | 2022-07-29 | 海城申合科技有限公司 | Preparation method of antimony or carbon composite material for lithium ion battery cathode |
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2018
- 2018-04-10 CN CN201810315640.XA patent/CN108539165A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110190256A (en) * | 2019-05-23 | 2019-08-30 | 广东工业大学 | A kind of antimony oxide/nitrogen-doped graphene composite material and preparation method and application |
| CN110120516A (en) * | 2019-06-20 | 2019-08-13 | 西北师范大学 | A kind of preparation method of antimony/redox graphene composite material |
| CN110190265A (en) * | 2019-06-20 | 2019-08-30 | 西北师范大学 | A kind of preparation method of antimony-antimony oxide/redox graphene composite material |
| CN110190246A (en) * | 2019-06-24 | 2019-08-30 | 陕西科技大学 | A kind of Sb2O3The preparation method of/carbon felt flexibility anode material of lithium-ion battery |
| CN110364706A (en) * | 2019-06-27 | 2019-10-22 | 华南理工大学 | A kind of antimony oxide base negative electrode material and preparation method thereof with high reversible capacity |
| CN112038623A (en) * | 2020-09-09 | 2020-12-04 | 陕西科技大学 | Sb based on controllable construction of carbon cloth substrate2O4Self-supporting electrode material for sodium ion battery cathode and preparation method thereof |
| CN114824219A (en) * | 2022-05-06 | 2022-07-29 | 海城申合科技有限公司 | Preparation method of antimony or carbon composite material for lithium ion battery cathode |
| CN114824219B (en) * | 2022-05-06 | 2023-10-03 | 海城申合科技有限公司 | Preparation method of antimony or carbon composite material for lithium ion battery cathode |
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