CN110265646A - A kind of N doping class graphene active carbon material and its preparation method and application - Google Patents
A kind of N doping class graphene active carbon material and its preparation method and application Download PDFInfo
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- CN110265646A CN110265646A CN201910556440.8A CN201910556440A CN110265646A CN 110265646 A CN110265646 A CN 110265646A CN 201910556440 A CN201910556440 A CN 201910556440A CN 110265646 A CN110265646 A CN 110265646A
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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
- H01M4/362—Composites
- H01M4/364—Composites as mixtures
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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
- H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
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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
- H01M2004/028—Positive electrodes
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- 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 present invention relates to a kind of N doping class graphene active carbon materials and its preparation method and application, belong to field of material technology, the material preparation method is as follows: presoma is made in melamine and L-cysteine mixing and ball milling, it is cooled to room temperature after the presoma is carbonized in an inert atmosphere, N doping class graphene active carbon material is made, pass through the mass ratio of Reasonable Regulation And Control melamine and L-cysteine, the N doping class graphene active carbon material of available large specific surface area, specific pore volume and chemical bond composition during the preparation process.Lithium-sulfur cell based on the material has long stable circulation performance, excellent high rate performance and high charge and discharge reversible specific capacity.The material preparation process is simple, easy to operate, at low cost, is suitble to industrialized production, has very big Commercial Prospect.
Description
Technical field
The invention belongs to field of material technology, and in particular to a kind of N doping class graphene active carbon material and its preparation side
Method and application.
Background technique
Due to theoretical specific capacity (1675mAh/g) and energy density (2600 Wh/kg) with superelevation, lithium-sulfur cell quilt
It is considered one of the energy storage system of new generation of most development potentiality.In addition, active material sulphur also has in lithium-sulfur cell
Abundance, it is cheap and environmentally friendly the advantages that.However, there are still a series of problems seriously to hinder lithium-sulfur cell
Commercialization process.Firstly, the discharging product Li of active material sulphur and battery2S poorly conductive will lead to it is low to the utilization rate of sulphur,
Reduce reaction process dynamics.Secondly, the intermediate product polysulfide of charge and discharge process has very high dissolution in the electrolytic solution
Property, cause polysulfide shuttling between the positive and negative anodes of battery in charge and discharge process, cause " shuttle effect ", this is not only
The coulombic efficiency that battery can be reduced can also react with lithium metal when polysulfide shuttles to cathode, influence the reactivity of cathode.
For this purpose, people design a lot of ways to overcome these problems, and such as: lithium anode is protected, diaphragm is modified,
Additive etc. is added in the electrolytic solution.In addition to this, people concentrate on a large amount of work in the preparation of positive electrode.Sulphur is born
Be downloaded in different positive electrodes be considered to it is most effective slow down shuttle effect, promote battery performance performance.
In recent years, carbon material is because have excellent electric conductivity, good machinery ductility, pore structure abundant and ratio
The features such as surface area is adjustable has received widespread attention.Although the physical action between carbon material and polysulfide is weaker, pure carbon
Material can not inhibit the generation of shuttle effect, and current most commonly used carrier material is still the carbon materials with nanostructure
Material but can effectively be promoted by increasing specific surface area, control pore structure, hetero atom being introduced the medium mode of carbon skeleton
Interaction between carbon material and polysulfide.
Summary of the invention
In view of this, one of the objects of the present invention is to provide a kind of preparation sides of N doping class graphene active carbon material
Method；The second purpose is to provide a kind of N doping class graphene active carbon material；The third purpose is to provide the N doping class stone
Application of the black alkene active carbon material as lithium sulfur battery anode material.
In order to achieve the above objectives, the invention provides the following technical scheme:
1, a kind of preparation method of N doping class graphene active carbon material, the method are as follows:
Presoma is made in melamine and L-cysteine mixing and ball milling, it is cooling after being further carbonized in an inert atmosphere
To room temperature, N doping class graphene active carbon material is made.
Preferably, the melamine and the mass ratio of L-cysteine are 1-10:1.
Preferably, the time of the ball milling is 2-10h.
Preferably, the inert atmosphere is one of argon gas, nitrogen, helium or neon or a variety of.
Preferably, it is cooled to room temperature after the carbonization after being specially warming up to 600-1500 DEG C with the rate of 1-5 DEG C/min
1-3h is kept, room temperature is then down to the rate of 1-5 DEG C/min.
2, the N doping class graphene active carbon material of method preparation.
3, application of the N doping class graphene active carbon material as lithium sulfur battery anode material.
The beneficial effects of the present invention are: the present invention provides a kind of N doping class graphene active carbon material and its preparations
Methods and applications with melamine and L-cysteine are original when preparing N doping class graphene active carbon material in the present invention
Material, wherein melamine itself contains a large amount of nitrogens and steady chemical structure, can make to have in final product using it as raw material
There is the nitrogen of significant proportion.In addition, the functional group containing S in L-cysteine, can not only make to promote melamine and half Guang ammonia of L-
C-S-C key is formed between acid, can function as " template " makes pore structure rich in final product, leads to during the preparation process
Cross the mass ratio of Reasonable Regulation And Control melamine and L-cysteine, available large specific surface area, specific pore volume and chemical bond
The N doping class graphene active carbon material of composition.Lithium-sulfur cell based on the material has long stable circulation performance, excellent
High rate performance and high charge and discharge reversible specific capacity.The material preparation process is simple, easy to operate, at low cost, is suitble to industry
Metaplasia produces, and has very big Commercial Prospect.
Other advantages, target and feature of the invention will be illustrated in the following description to a certain extent, and
And to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, Huo Zheke
To be instructed from the practice of the present invention.Target of the invention and other advantages can be realized by following specification and
It obtains.
Detailed description of the invention
To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing excellent
The detailed description of choosing, in which:
Fig. 1 is the scanning electron microscope diagram of N doping class graphene active carbon material obtained in embodiment 1；(in Fig. 1
A is the scanning electron microscope (SEM) photograph for amplifying 10000 times, and b is the scanning electron microscope (SEM) photograph for amplifying 30000 times in Fig. 1)
Fig. 2 is the transmission electron microscope figure of N doping class graphene active carbon material obtained in embodiment 1；
Fig. 3 is the XRD spectra of N doping class graphene active carbon material obtained in embodiment 1；
Fig. 4 is the Raman spectrogram of N doping class graphene active carbon material obtained in embodiment 1；
Fig. 5 is the adsorption desorption curve graph of N doping class graphene active carbon material obtained in embodiment 1；
Fig. 6 is the graph of pore diameter distribution of N doping class graphene active carbon material obtained in embodiment 1；
Fig. 7 is the XPS spectrum figure of N doping class graphene active carbon material obtained in embodiment 1；(a is that the nitrogen is mixed in Fig. 7
The surface-element of miscellany graphene active carbon material analyzes full spectrogram；B is the N doping class graphene active carbon material in Fig. 7
High-resolution C1s spectrogram；C is the high-resolution N1s spectrogram of the N doping class graphene active carbon material in Fig. 7；D is the nitrogen in Fig. 7
Adulterate the high-resolution O1s spectrogram of class graphene active carbon material)
Fig. 8 is the scanning electron microscope diagram of N doping class graphene active carbon material obtained in embodiment 2；(in Fig. 8
A is the scanning electron microscope (SEM) photograph for amplifying 10000 times, and b is the scanning electron microscope (SEM) photograph for amplifying 30000 times in Fig. 8)
Fig. 9 is the transmission electron microscope figure of N doping class graphene active carbon material obtained in embodiment 2；
Figure 10 is the XRD spectra of N doping class graphene active carbon material obtained in embodiment 2；
Figure 11 is nitrogen adsorption desorption curve graph and the aperture point of the resulting N doping class graphene active carbon material of embodiment 2
Butut；(a is nitrogen adsorption desorption curve graph in Figure 11, and b is graph of pore diameter distribution in Figure 11)
Figure 12 is the XPS spectrum figure of the resulting N doping class graphene active carbon material of embodiment 2；(a is that the nitrogen is mixed in Figure 12
The surface-element of miscellany graphene active carbon material analyzes full spectrogram；B is the N doping class graphene active carbon material in Figure 12
High-resolution C1s spectrogram；C is the high-resolution N1s spectrogram of the N doping class graphene active carbon material in Figure 12；D is in Figure 12
The high-resolution O1s spectrogram of the N doping class graphene active carbon material)
Figure 13 is the scanning electron microscope diagram of N doping class graphene active carbon material obtained in embodiment 3；(Figure 13
Middle a is the scanning electron microscope (SEM) photograph for amplifying 10000 times, and b is the scanning electron microscope (SEM) photograph for amplifying 30000 times in Figure 13)
Figure 14 is the transmission electron microscope figure of N doping class graphene active carbon material obtained in embodiment 3；
Figure 15 is the XRD spectra of N doping class graphene active carbon material obtained in embodiment 3；
Figure 16 is nitrogen adsorption desorption curve graph and the aperture point of the resulting N doping class graphene active carbon material of embodiment 3
Butut；(a is nitrogen adsorption desorption curve graph in Figure 16, and b is graph of pore diameter distribution in Figure 16)
Figure 17 is the XPS spectrum figure of the resulting N doping class graphene active carbon material of embodiment 3；(a is that the nitrogen is mixed in Figure 17
The surface-element of miscellany graphene active carbon material analyzes full spectrogram；B is the N doping class graphene active carbon material in Figure 17
High-resolution C1s spectrogram；C is the high-resolution N1s spectrogram of the N doping class graphene active carbon material in Figure 17；D is in Figure 17
The high-resolution O1s spectrogram of the N doping class graphene active carbon material)
Figure 18 is the cycle performance figure at 0.2 C of the lithium sulphur half-cell assembled in embodiment 4；
Figure 19 is the cycle performance figure at 1 C of the lithium sulphur half-cell assembled in embodiment 4；
Figure 20 is the high rate performance figure of the lithium sulphur half-cell assembled in embodiment 4；
Figure 21 is the CV figure of the lithium sulphur half-cell that assembles under different scanning rates in embodiment 4.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
Embodiment 1
Prepare N doping class graphene active carbon material
By the mass ratio 10:1 of melamine and L-cysteine, by melamine and L-cysteine mixing and ball milling 5h,
Presoma is made, 3h is kept after which is warming up to 900 DEG C in argon gas protection with the rate of 2 DEG C/min, then with 2
DEG C/rate of min is down to room temperature, N doping class graphene active carbon material is made.
Fig. 1 is the scanning electron microscope diagram of N doping class graphene active carbon material obtained in embodiment 1, a in Fig. 1
For 10000 times of scanning electron microscope (SEM) photograph of amplification, b be the scanning electron microscope (SEM) photograph for amplifying 30000 times in Fig. 1, and as shown in Figure 1, which has
There is class graphene laminated structure.
Fig. 2 is the transmission electron microscope figure of N doping class graphene active carbon material obtained in embodiment 1, by Fig. 2
It is found that the material has continuous sheet structure.
Fig. 3 is the XRD spectra of N doping class graphene active carbon material obtained in embodiment 1, from the figure 3, it may be seen that map
In at 2 angles θ be that characteristic peak at 26 ° and 44 ° has respectively corresponded (002) and (100) crystal face of carbonization structure, and arrived at 20 °
The wider peak of ratio occurred between 30 ° is then typical amorphous carbon peak type, it was demonstrated that the material is typical active carbon material.
Fig. 4 is the Raman spectrogram of the resulting N doping class graphene active carbon material of embodiment 1, as shown in Figure 4, the material
Expect the peak D and the peak G with typical active carbon material, and ID/IGValue be 1.51, illustrate in material have many flaws with
Active site.
Fig. 5 is the nitrogen adsorption desorption curve graph of the resulting N doping class graphene active carbon material of embodiment 1, can by Fig. 5
Know, the specific surface area of the material is 304m2/g。
Fig. 6 is the graph of pore diameter distribution of the resulting N doping class graphene active carbon material of embodiment 1, as shown in Figure 6 material
Aperture integrated distribution in 3-5nm.
Fig. 7 is the XPS spectrum figure of the resulting N doping class graphene active carbon material of embodiment 1, wherein a is the nitrogen in Fig. 7
The surface-element for adulterating class graphene active carbon material analyzes full spectrogram；B is the N doping class graphene active carbon material in Fig. 7
High-resolution C1s spectrogram；C is the high-resolution N1s spectrogram of the N doping class graphene active carbon material in Fig. 7；D is to be somebody's turn to do in Fig. 7
The high-resolution O1s spectrogram of N doping class graphene active carbon material, as shown in Figure 7, the material is mainly by tri- kinds of elements of C, N and O
Composition.
Embodiment 2
Prepare N doping class graphene active carbon material
By the mass ratio 5:1 of melamine and L-cysteine, by melamine and L-cysteine mixing and ball milling 10h,
Presoma is made, which is warming up to after 1500 DEG C in nitrogen protection with the rate of 5 DEG C/min and keeps 1h, then with 5
DEG C/rate of min is down to room temperature, N doping class graphene active carbon material is made.
Fig. 8 is the scanning electron microscope diagram of N doping class graphene active carbon material obtained in embodiment 2, a in Fig. 8
For 10000 times of scanning electron microscope (SEM) photograph of amplification, b be the scanning electron microscope (SEM) photograph for amplifying 30000 times in Fig. 8, and as shown in Figure 8, which has
There is class graphene laminated structure.
Fig. 9 is the transmission electron microscope figure of N doping class graphene active carbon material obtained in embodiment 2, by Fig. 9
It is found that the material has continuous sheet structure.
Figure 10 is the XRD spectra of N doping class graphene active carbon material obtained in embodiment 2, as shown in Figure 10, figure
Respectively correspond (002) and (100) crystal face of carbonization structure in spectrum for the characteristic peak at 26 ° and 44 ° at 2 angles θ, and at 20 °
The wider peak of ratio occurred between to 30 ° is then typical amorphous carbon peak type, it was demonstrated that the material is typical active carbon material.
Figure 11 is nitrogen adsorption desorption curve graph and the aperture point of the resulting N doping class graphene active carbon material of embodiment 2
Butut, wherein a is nitrogen adsorption desorption curve graph in Figure 11, by a in Figure 11 it is found that the specific surface area of the material is 252m2/g；
B is graph of pore diameter distribution in Figure 11, by b in Figure 11 it is found that the aperture integrated distribution of the material is in 3-5nm.
Figure 12 is the XPS spectrum figure of the resulting N doping class graphene active carbon material of embodiment 2, wherein a is to be somebody's turn to do in Figure 12
The surface-element of N doping class graphene active carbon material analyzes full spectrogram；B is the N doping class graphene activated carbon in Figure 12
The high-resolution C1s spectrogram of material；C is the high-resolution N1s spectrogram of the N doping class graphene active carbon material in Figure 12；In Figure 12
D is the high-resolution O1s spectrogram of the N doping class graphene active carbon material, and as shown in Figure 12, the material is mainly by C, N and O tri-
Kind element composition.
Embodiment 3
Prepare N doping class graphene active carbon material
By the mass ratio 1:1 of melamine and L-cysteine, by melamine and L-cysteine mixing and ball milling 2h, system
Presoma, by the presoma helium protection in be warming up to 600 DEG C with the rate of 1 DEG C/min after keep 2h, then with 1 DEG C/
The rate of min is down to room temperature, and N doping class graphene active carbon material is made.
Figure 13 is the scanning electron microscope diagram of N doping class graphene active carbon material obtained in embodiment 3, Figure 13
Middle a is the scanning electron microscope (SEM) photograph for amplifying 10000 times, and b is the scanning electron microscope (SEM) photograph for amplifying 30000 times, as shown in Figure 13, the material in Figure 13
Material has class graphene laminated structure.
Figure 14 is the transmission electron microscope figure of N doping class graphene active carbon material obtained in embodiment 3, by scheming
14 it is found that the material has continuous sheet structure.
Figure 15 is the XRD spectra of N doping class graphene active carbon material obtained in embodiment 3, as shown in Figure 15, figure
Respectively correspond (002) and (100) crystal face of carbonization structure in spectrum for the characteristic peak at 26 ° and 44 ° at 2 angles θ, and at 20 °
The wider peak of ratio occurred between to 30 ° is then typical amorphous carbon peak type, it was demonstrated that the material is typical active carbon material.
Figure 16 is nitrogen adsorption desorption curve graph and the aperture point of the resulting N doping class graphene active carbon material of embodiment 3
Butut, wherein a is nitrogen adsorption desorption curve graph in Figure 16, by a in Figure 16 it is found that the specific surface area of the material is 132m2/g；
B is graph of pore diameter distribution in Figure 16, by b in Figure 16 it is found that the aperture integrated distribution of the material is in 3-5nm.
Figure 17 is the XPS spectrum figure of the resulting N doping class graphene active carbon material of embodiment 3, wherein a is to be somebody's turn to do in Figure 17
The surface-element of N doping class graphene active carbon material analyzes full spectrogram；B is the N doping class graphene activated carbon in Figure 17
The high-resolution C1s spectrogram of material；C is the high-resolution N1s spectrogram of the N doping class graphene active carbon material in Figure 17；In Figure 17
D is the high-resolution O1s spectrogram of the N doping class graphene active carbon material, and as shown in Figure 17, the material is mainly by C, N and O tri-
Kind element composition.
Embodiment 4
The N doping class graphene carbon material prepared using in embodiment 1 is electric as lithium sulfur battery anode material assembling lithium sulphur half
Pond and the related electrical property for testing gained battery.
N doping class graphene active carbon material made from Example 1 and conductive agent (CNT), binder (PVDF) press matter
Amount is mixed than 80:10:10, is added suitable solvent (NMP), is ground into uniform sizing material in the agate mortar, and diameter is coated in
Stand-by pole piece is made on the carbon paper of 13mm, to be subsequently placed in 60 DEG C of air dry ovens dry 12h, then shifts stand-by pole piece
Into the glove box of argon atmosphere, polysulfide (Li is added dropwise on stand-by pole piece2S6, 1 M) and solution conduct anode, metal lithium sheet
As the assembling for carrying out button cell to electrode, button cell model is CR2032, and diaphragm is microporous polypropylene membrane Celgard
2400, (solvent is the 1,3-dioxolane (DOL) and glycol dinitrate that volume ratio is 1:1 to the LiTFSI solution that electrolyte is 1 M
Ether (DME).Assembled battery is subjected to electrochemical property test, voltage range 1.7- on LAND battery test system
2.7 V。
Figure 18 is the cycle performance figure at 0.2 C of the lithium sulphur half-cell assembled in embodiment 4, as shown in Figure 18, electricity
Pole still keeps the reversible specific capacity of 910mAh/g at 0.2 C by the cyclical stability test of 400 circles, and every circle attenuation rate is only
It is 0.05%, illustrates that the N doping class graphene active carbon material has excellent cyclical stability.
Figure 19 is the cycle performance figure at 1 C of the lithium sulphur half-cell assembled in embodiment 4, it appears from figure 19 that electrode
The height ratio capacity of 800mAh/g is still able to maintain after 500 circle of circulation at 1 C, illustrates the N doping class graphene activated carbon
Material has significant cyclical stability.
Figure 20 is the high rate performance figure of lithium sulphur half-cell assembled in embodiment 4, as shown in Figure 20, current density from
The specific capacity that 0.2 C is gradually increased to battery during 2 C is gradually decreasing, and when current density is 2 C, battery still has
There is the specific capacity of 820mAh/g, illustrates that the N doping class graphene active carbon material has excellent high rate performance.
Figure 21 is the CV figure of the lithium sulphur half-cell that assembles under different scanning rates in embodiment 4, by Figure 21 it can be seen that
All curves have the presence of 4 redox peaks, and with the increase of sweep speed, curve still keeps good shape
Shape illustrates that the N doping class graphene active carbon material has outstanding high rate performance.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in the present invention
Scope of the claims in.
Claims (7)
1. a kind of preparation method of N doping class graphene active carbon material, which is characterized in that the method is as follows:
Presoma is made in melamine and L-cysteine mixing and ball milling, is cooled to room after being further carbonized in an inert atmosphere
N doping class graphene active carbon material is made in temperature.
2. the method according to claim 1, wherein the melamine and the mass ratio of L-cysteine are 1-
10:1。
3. the method according to claim 1, wherein the time of the ball milling is 2-10h.
4. the method according to claim 1, wherein the inert atmosphere is in argon gas, nitrogen, helium or neon
It is one or more.
5. the method according to claim 1, wherein be cooled to room temperature after the carbonization specially with 1-5 DEG C/
The rate of min keeps 1-3h after being warming up to 600-1500 DEG C, be then down to room temperature with the rate of 1-5 DEG C/min.
6. by the N doping class graphene active carbon material of the described in any item method preparations of claim 1-5.
7. application of the N doping class graphene active carbon material as claimed in claim 6 as lithium sulfur battery anode material.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020251472A1 (en) * | 2019-06-13 | 2020-12-17 | Agency For Science, Technology And Research | A cathode material and a method of preparing the same |
| CN113422082A (en) * | 2021-07-06 | 2021-09-21 | 中国科学技术大学 | Nitrogen-doped carbon five-membered ring structure-containing graphene-like carbon material electrocatalyst and preparation method and application thereof |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102169985A (en) * | 2011-04-07 | 2011-08-31 | 刘剑洪 | Preparation method of lithium ion battery carbon anode material with graphene-like structure |
| CN102683647A (en) * | 2012-06-08 | 2012-09-19 | 浙江大学 | Preparation method of graphene-like MoS2/graphene combined electrode of lithium ion battery |
| CN103172057A (en) * | 2013-03-07 | 2013-06-26 | 华南理工大学 | Preparation method of nitrogen and sulfur co-doped graphene |
| CN104085874A (en) * | 2014-06-05 | 2014-10-08 | 中国科学院广州地球化学研究所 | Preparation method for doped graphene-like structural nanometer carbon material |
| CN104201385A (en) * | 2014-08-14 | 2014-12-10 | 中国科学技术大学 | Preparation method of high-nitrogen-doped graphene nanoparticles and application of high-nitrogen-doped graphene nanoparticles as negative material of lithium ion battery |
| AU2014214532A1 (en) * | 2013-02-06 | 2015-08-20 | The Australian National University | Radical orbital switching |
| CN104925796A (en) * | 2015-06-24 | 2015-09-23 | 上海大学 | Preparation method of porous graphene |
| CN105731446A (en) * | 2016-04-27 | 2016-07-06 | 华中科技大学 | Preparation method and product of ultrahigh-specific-area sulphur-nitrogen-co-doped porous graphene |
| CN106129410A (en) * | 2016-07-18 | 2016-11-16 | 吉科猛 | The class Graphene Carbon Materials of three-dimensional ordered macroporous structure, prepare and apply |
| CN106185890A (en) * | 2016-07-04 | 2016-12-07 | 石河子大学 | A kind of preparation method of porous class Graphene |
| CN106315574A (en) * | 2015-06-29 | 2017-01-11 | 徐海波 | Graphene oxide quantum dots, material formed from same and graphene-like structural substance, and preparation methods |
| JP2017081764A (en) * | 2015-10-22 | 2017-05-18 | 国立大学法人東北大学 | Production method of organically modified carbon material, and organically modified carbon material |
| CN106744858A (en) * | 2017-01-16 | 2017-05-31 | 深圳大学 | A kind of three-dimensional grapheme and preparation method and application |
| CN107331833A (en) * | 2017-05-27 | 2017-11-07 | 深圳大学 | A kind of preparation method of anode material of lithium-ion battery |
| CN108786878A (en) * | 2018-05-24 | 2018-11-13 | 南京理工大学 | The preparation method of the graphite phase carbon nitride of oxygen sulphur codope |
-
2019
- 2019-06-25 CN CN201910556440.8A patent/CN110265646B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102169985A (en) * | 2011-04-07 | 2011-08-31 | 刘剑洪 | Preparation method of lithium ion battery carbon anode material with graphene-like structure |
| CN102683647A (en) * | 2012-06-08 | 2012-09-19 | 浙江大学 | Preparation method of graphene-like MoS2/graphene combined electrode of lithium ion battery |
| AU2014214532A1 (en) * | 2013-02-06 | 2015-08-20 | The Australian National University | Radical orbital switching |
| CN103172057A (en) * | 2013-03-07 | 2013-06-26 | 华南理工大学 | Preparation method of nitrogen and sulfur co-doped graphene |
| CN104085874A (en) * | 2014-06-05 | 2014-10-08 | 中国科学院广州地球化学研究所 | Preparation method for doped graphene-like structural nanometer carbon material |
| CN104201385A (en) * | 2014-08-14 | 2014-12-10 | 中国科学技术大学 | Preparation method of high-nitrogen-doped graphene nanoparticles and application of high-nitrogen-doped graphene nanoparticles as negative material of lithium ion battery |
| CN104925796A (en) * | 2015-06-24 | 2015-09-23 | 上海大学 | Preparation method of porous graphene |
| CN106315574A (en) * | 2015-06-29 | 2017-01-11 | 徐海波 | Graphene oxide quantum dots, material formed from same and graphene-like structural substance, and preparation methods |
| JP2017081764A (en) * | 2015-10-22 | 2017-05-18 | 国立大学法人東北大学 | Production method of organically modified carbon material, and organically modified carbon material |
| CN105731446A (en) * | 2016-04-27 | 2016-07-06 | 华中科技大学 | Preparation method and product of ultrahigh-specific-area sulphur-nitrogen-co-doped porous graphene |
| CN106185890A (en) * | 2016-07-04 | 2016-12-07 | 石河子大学 | A kind of preparation method of porous class Graphene |
| CN106129410A (en) * | 2016-07-18 | 2016-11-16 | 吉科猛 | The class Graphene Carbon Materials of three-dimensional ordered macroporous structure, prepare and apply |
| CN106744858A (en) * | 2017-01-16 | 2017-05-31 | 深圳大学 | A kind of three-dimensional grapheme and preparation method and application |
| CN107331833A (en) * | 2017-05-27 | 2017-11-07 | 深圳大学 | A kind of preparation method of anode material of lithium-ion battery |
| CN108786878A (en) * | 2018-05-24 | 2018-11-13 | 南京理工大学 | The preparation method of the graphite phase carbon nitride of oxygen sulphur codope |
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| WO2020251472A1 (en) * | 2019-06-13 | 2020-12-17 | Agency For Science, Technology And Research | A cathode material and a method of preparing the same |
| CN113422082A (en) * | 2021-07-06 | 2021-09-21 | 中国科学技术大学 | Nitrogen-doped carbon five-membered ring structure-containing graphene-like carbon material electrocatalyst and preparation method and application thereof |
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