CN113314714A - Bimetallic selenide material and preparation method and application thereof - Google Patents

Bimetallic selenide material and preparation method and application thereof Download PDF

Info

Publication number
CN113314714A
CN113314714A CN202110538974.5A CN202110538974A CN113314714A CN 113314714 A CN113314714 A CN 113314714A CN 202110538974 A CN202110538974 A CN 202110538974A CN 113314714 A CN113314714 A CN 113314714A
Authority
CN
China
Prior art keywords
cobalt
diselenide
nickel
core
preparation
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
Application number
CN202110538974.5A
Other languages
Chinese (zh)
Inventor
范浩森
李晓彤
刘芝婷
杨伟
郑文芝
林晋毅
黄卓伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou University
Original Assignee
Guangzhou University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou University filed Critical Guangzhou University
Priority to CN202110538974.5A priority Critical patent/CN113314714A/en
Publication of CN113314714A publication Critical patent/CN113314714A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—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
    • H01M4/581—Chalcogenides or intercalation compounds thereof
    • 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
    • H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
    • 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
    • H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
    • 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
    • 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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

The invention belongs to the technical field of energy storage, and discloses a bimetallic selenide material, and a preparation method and application thereof. The bimetallic selenide material comprises a core and a shell, wherein the core comprises cobalt diselenide, and the shell comprises cobalt diselenide and nickel diselenide. The heterostructure and the core-shell structure of the bimetallic selenide material have synergistic effect, the volume expansion of the cathode material of the sodium ion battery in repeated charging and discharging can be buffered, wherein a gap exists between the cobalt diselenide of the core and the cobalt diselenide and nickel diselenide compound of the shell, the problem of volume expansion can be effectively relieved in the charging and discharging process, the circulation stability is improved, and the heterostructure can further improve the capacity. The preparation method provided by the invention has the advantages of few process steps and easily obtained reaction raw materials.

Description

Bimetallic selenide material and preparation method and application thereof
Technical Field
The invention belongs to the technical field of energy storage, and particularly relates to a bimetallic selenide material as well as a preparation method and application thereof.
Background
Traditional energy sources such as coal, petroleum and natural gas are in short supply and are not friendly to the environment, and new green secondary energy sources need to be developed. At present, lithium ion batteries and sodium ion batteries with high energy density are hot spots for research, but the sodium ion batteries are more concerned by people because the natural resources of metal sodium are richer than that of metal lithium and the cost is lower. The radius of sodium ions is far greater than that of lithium ions, so that the volume is easier to expand in the repeated charging and discharging process, the capacity cycle is unstable, the service life is short, and a suitable negative electrode material of a sodium ion battery needs to be developed.
Transition metal selenides are an important functional material, have wide raw material sources and intrinsic safety, and can provide higher sodium storage capacity through conversion reaction in principle. However, in the process of intercalation and deintercalation of sodium ions, the volume of the transition metal selenide is greatly changed and agglomerated, which causes rapid capacity attenuation, and the transition metal selenide has low conductivity, which often causes poor rate capability.
Layered Double Hydroxide (LDH) is an inorganic layered material having a unique two-dimensional layered structure, a large specific surface area, and good porosity, and has been widely studied in the field of energy storage because it can maintain anion exchange and structure invariance while changing the properties of its own metal cations. Although LDHs possess a high specific capacity, their use is limited by agglomeration and volume expansion of the material.
Therefore, it is desirable to provide a selenide material capable of reducing the volume expansion of the battery negative electrode material during the charging and discharging processes, and improving the specific capacity and the cycling stability.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art described above. Therefore, the invention provides a bimetallic selenide material which can reduce the volume expansion of a battery negative electrode material in the charging and discharging processes and improve the specific capacity and the cycling stability.
The invention conception is as follows: the invention utilizes cobalt-based zeolite imidazole framework structure material which is one of metal organic framework Materials (MOF) to prepare the bimetallic selenide material with a heterostructure and a core-shell structure similar to a yolk and an eggshell; the lithium iron phosphate is used as a negative electrode material, so that the volume expansion of the battery during charging and discharging can be effectively relieved, and the cycling stability and the capacity performance are improved.
In a first aspect, the present invention provides a bimetallic selenide material.
The bimetallic selenide material comprises a core and a shell, wherein the core comprises cobalt diselenide, and the shell comprises cobalt diselenide and nickel diselenide.
The bimetallic selenide material provided by the invention has a multiple heterostructure (a heterostructure formed by cobalt diselenide and nickel diselenide of a shell and a heterostructure formed between cobalt diselenide of an inner core and the shell), and also has a core-shell structure similar to a yolk and an eggshell, wherein a gap exists between the cobalt diselenide of the inner core and a cobalt diselenide and nickel diselenide compound of the shell, so that the problem of volume expansion can be effectively relieved in the charging and discharging process, the circulation stability is improved, and the capacity can be improved by the multiple heterostructure.
Further preferably, the inner core further comprises nitrogen-doped carbon. The nitrogen-doped carbon can prevent the collapse of a material structure and further improve the cycling stability in the charging and discharging processes; and the nitrogen-doped carbon can provide more active sites, so that the transmission speed of sodium ions can be increased, and the conductivity can be improved.
In a second aspect, the present invention provides a method for preparing a bimetallic selenide material.
Specifically, the preparation method of the bimetallic selenide material comprises the following steps:
(1) dissolving a cobalt-based zeolite imidazole framework structure material and soluble nickel salt in a solvent, and reacting to prepare a cobalt-nickel double hydroxide coated zeolite imidazole framework structure material;
(2) mixing the cobalt-nickel double hydroxide coated zeolite imidazole skeleton structure material prepared in the step (1) with selenium, and heating and reacting in a protective atmosphere to prepare the bimetallic selenide material.
Preferably, in the step (1), the cobalt-based zeolitic imidazolate framework material is ZIF-67.
Further preferably, the preparation method of ZIF-67 comprises the following steps:
and dissolving soluble cobalt salt and 2-methylimidazole in a solvent, and reacting to obtain the ZIF-67.
Preferably, the soluble cobalt salt is at least one of cobalt nitrate, cobalt chloride and cobalt sulfate.
Preferably, the molar ratio of cobalt ions in the soluble cobalt salt to the 2-methylimidazole is 1: (4-10); further preferably, the molar ratio of cobalt ions in the soluble cobalt salt to the 2-methylimidazole is 1: (4-8).
Preferably, the solvent is methanol, and compared with other solvents, such as N, N-dimethylformamide, methanol is used as the solvent, so that the reaction conditions are simpler and milder, and the reaction is carried out at normal temperature.
Preferably, in the step (1), the soluble nickel salt is at least one of nickel nitrate and nickel chloride.
Preferably, in the step (1), the mass ratio of the cobalt-based zeolitic imidazolate framework material to the soluble nickel salt is 1: (1-4); further preferably, the mass ratio of the cobalt-based zeolite imidazole framework material to the soluble nickel salt is 1: (2-3). When the amount of the soluble nickel salt is too small, Layered Double Hydroxide (LDH) cannot be etched, and when the amount of the soluble nickel salt is too large, the core is damaged.
Preferably, in step (1), the solvent is an alcohol; further preferably, the solvent is ethanol.
Preferably, in the step (1), the reaction temperature is 10-40 ℃ and the reaction time is 10-40 min. If the reaction temperature is 10, 15, 20, 25, 30, 35 and 40 ℃. The reaction time is selected from 10, 15, 20, 25, 30, 35 and 40 min.
Preferably, in the step (2), the mass ratio of the cobalt-nickel double hydroxide coated zeolite imidazole framework material to the selenium is 1: (1-4); further preferably, the mass ratio of the cobalt-nickel double hydroxide coated zeolite imidazole framework material to the selenium is 1: (2-3). The prepared bimetallic selenide material has a multiple heterostructure and a core-shell structure similar to a yolk and an eggshell by controlling the dosage of the cobalt-nickel double hydroxide coated zeolite imidazole framework structure material and the selenium. Variations in the dose ratio can affect the morphology, can cause collapse of the morphology, or cause changes in the shell composition.
Preferably, in step (2), the protective atmosphere is one of nitrogen, argon or helium.
Preferably, in step (2), the temperature-increasing reaction process is as follows: heating to 400-700 ℃ at a heating rate of 0.5-5 ℃/min, and keeping for 1-5 h; further preferably, the temperature-rising reaction process is as follows: heating to 400-600 ℃ at the heating rate of 1-4 ℃/min, and keeping for 1-3 h; more preferably, the temperature-rising reaction process is as follows: heating to 400-600 ℃ at the heating rate of 2-3 ℃/min, and keeping for 2-3 h. By controlling the temperature of the temperature rise reaction, the material has a good core-shell structure, and the appearance can be influenced to a certain extent by too fast temperature rise.
In a third aspect, the present invention provides the use of a bimetallic selenide material.
The bimetallic selenide material is applied to the preparation of batteries. Particularly as the negative electrode material of a sodium ion battery, for example, the bimetallic selenide material, a conductive agent and a binding agent are prepared into slurry, and the slurry is coated on a copper foil to prepare the negative electrode.
A battery anode material comprising the bimetallic selenide material.
A battery comprising the bimetallic selenide material.
Compared with the prior art, the invention has the following beneficial effects:
(1) the bimetallic selenide material provided by the invention comprises a core and a shell, wherein the core comprises cobalt diselenide, and the shell comprises cobalt diselenide and nickel diselenide. The heterogeneous structure and the core-shell structure of the bimetallic selenide material of the shell act synergistically to buffer the volume expansion of the cathode material. The cobalt diselenide of the core and the cobalt diselenide and nickel diselenide compounds of the shell form a gap, the problem of volume expansion can be effectively relieved in the charging and discharging process, the circulation stability is improved, the capacity can be further improved through a heterostructure, the first-circle discharge capacity of the battery reaches 750mAh/g, the charging capacity reaches 550mAh/g, the specific capacity is still larger than 500mAh/g after 50 times of circulation, and the circulation stability is good.
(2) The preparation method provided by the invention has the advantages of few process steps and easily obtained reaction raw materials.
Drawings
Fig. 1 is a flow chart illustrating the preparation of the dual metal selenide material prepared in example 1;
FIG. 2 is a scanning electron microscope image of the bimetallic selenide material prepared in example 1;
fig. 3 is a charge-discharge graph of the first turn of the dual metal selenide material manufactured in example 1;
FIG. 4 is a graph of the cycling performance of the bimetallic selenide material prepared in example 1 at a current density of 1A/g;
fig. 5 is a graph of the cycling performance at a current density of 1A/g for cobalt diselenide particles made in comparative example 1.
Detailed Description
In order to make the technical solutions of the present invention more apparent to those skilled in the art, the following examples are given for illustration. It should be noted that the following examples are not intended to limit the scope of the claimed invention.
The starting materials, reagents or apparatuses used in the following examples are conventionally commercially available or can be obtained by conventionally known methods, unless otherwise specified.
Example 1
A bimetal selenide material has a core-shell structure similar to a yolk and an eggshell, and comprises an inner core and an outer shell, wherein the inner core comprises cobalt diselenide and nitrogen-doped carbon, and the outer shell comprises cobalt diselenide and nickel diselenide.
A method for preparing a bimetallic selenide material, which comprises the following steps (the preparation flow chart is shown in figure 1):
(1) 873.0mg of cobalt nitrate hexahydrate (Co (NO)3)2·6H2O) is dispersed in 30mL of methanol, 974.4mg of 2-methylimidazole is dispersed in 5mL of methanol (the molar ratio of cobalt nitrate hexahydrate to 2-methylimidazole is 1:4), the mixture is uniformly stirred, the mixture is stood at room temperature for 24 hours, the mixture is centrifuged, a precipitate product is washed by methanol for 3 times, and the product is dried in vacuum at 60 ℃ for 3 hours, so that the cobalt-based zeolitic imidazole framework material (namely ZIF-67) is obtained;
(2) 80mg of a cobalt-based zeolitic imidazolate framework material and 160mg of nickel nitrate hexahydrate (Ni (NO)3)2·6H2O) is dispersed in 50mL of ethanol, stirred for 20 minutes at room temperature, centrifuged, the precipitate is washed with ethanol for 3 times, and dried in vacuum for 3 hours at 60 ℃ to obtain a cobalt-nickel double hydroxide coated zeolite imidazole framework material (denoted as ZIF-67@ Co-Ni-LDH);
(3) 100mg of cobalt-nickel double hydroxide coated zeolite imidazole framework structure material (ZIF-67@ Co-Ni-LDH) and 200mg of selenium powder are uniformly mixed and then placed in a nitrogen atmosphere, the temperature is raised to 600 ℃ at the speed of 2 ℃/min, and the constant temperature selenization is carried out for 2 hours to obtain the double-metal selenide material, namely a cobalt diselenide and nickel diselenide coated cobalt diselenide compound (marked as CoSe)2/NC@CoSe2/NiSe2/NC)。
Fig. 2 is a scanning electron microscope image of the dual metal selenide material prepared in example 1, and as can be seen from a in fig. 2, the dual metal selenide material prepared in example 1 maintains the ZIF-67 dodecahedron structure; as shown in fig. 2 b, the material has a core-shell structure of egg yolk and egg shell.
And (3) performance testing: the bimetallic selenide material (CoSe) prepared in example 12/NC@CoSe2/NiSe2Mixing uniformly the components of the conductive agent and the sodium alginate (binding agent) according to the mass ratio of 7:2:1, adding a proper amount of deionized water to prepare slurry, uniformly coating the slurry on a copper foil to prepare a negative electrode, taking a sodium sheet as a positive electrode, and using a sodium perchlorate solution with the concentration of 1mol/L (the solvent is carbonic acid with the volume ratio of 1: 1) as a solventDimethyl ester and ethylene carbonate) as an electrolyte and glass fiber paper as a diaphragm, and assembled into a half cell, and subjected to charge and discharge tests at a current density of 1A/g.
Fig. 3 is a charge and discharge graph of the first turn of the dual metal selenide material manufactured in example 1, wherein the abscissa of fig. 3 is a specific capacity (specific capacity) and the ordinate is a voltage (potential), and the curves of fig. 3 represent the charge and discharge of the first turn, respectively. As can be seen from fig. 3, the first-turn discharge capacity of the battery is about 750mAh/g and the first-turn charge capacity of the battery is about 550mAh/g, which indicates that the first-turn coulombic efficiency is relatively high and the charge-discharge plateau is relatively obvious.
Fig. 4 is a cycle performance diagram of the bimetal selenide material prepared in example 1 at a current density of 1A/g, in fig. 4, the abscissa is the number of cycles, and the ordinate is the specific capacity, and it can be known from fig. 4 that the specific capacity of the bimetal selenide material is still more than 500mAh/g after 50 cycles, and the cycle stability is good.
Example 2
A bimetal selenide material has a core-shell structure similar to a yolk and an eggshell, and comprises an inner core and an outer shell, wherein the inner core comprises cobalt diselenide and nitrogen-doped carbon, and the outer shell comprises cobalt diselenide and nickel diselenide.
A method for preparing a bimetallic selenide material, which comprises the following steps (the preparation flow chart is shown in figure 1):
(1) 873.0mg of cobalt nitrate hexahydrate (Co (NO)3)2·6H2O) is dispersed in 30mL of methanol, 974.4mg of 2-methylimidazole is dispersed in 5mL of methanol (the molar ratio of cobalt nitrate hexahydrate to 2-methylimidazole is 1:4), the mixture is uniformly stirred, the mixture is stood at room temperature for 24 hours, the mixture is centrifuged, a precipitate product is washed by methanol for 3 times, and the product is dried in vacuum at 60 ℃ for 3 hours, so that the cobalt-based zeolitic imidazole framework material (namely ZIF-67) is obtained;
(2) 80mg of a cobalt-based zeolitic imidazolate framework material and 160mg of nickel nitrate hexahydrate (Ni (NO)3)2·6H2O) is dispersed in 50mL of ethanol, stirred for 20 minutes at room temperature, centrifuged, the precipitate is washed with ethanol for 3 times, and dried in vacuum for 3 hours at 60 ℃ to obtain a cobalt-nickel double hydroxide coated zeolite imidazole framework material (denoted as ZIF-67@ Co-Ni-LDH);
(3) 100mg of cobalt-nickel double hydroxide coated zeolite imidazole framework structure material (ZIF-67@ Co-Ni-LDH) and 200mg of selenium powder are uniformly mixed and then placed in a nitrogen atmosphere, the temperature is raised to 500 ℃ at the speed of 1 ℃/min, and the constant temperature selenization is carried out for 3 hours to obtain the double-metal selenide material, namely a cobalt diselenide and nickel diselenide coated cobalt diselenide compound (marked as CoSe)2/NC@CoSe2/NiSe2/NC)。
And (3) performance testing: the bimetal selenide material prepared in example 2 was assembled into a half cell in the same manner as in example 1, and a charge and discharge test was performed at a current density of 1A/g.
Tests prove that the first-circle discharge capacity of the battery is about 730mAh/g, the first-circle charge capacity is about 530mAh/g, and the cycling stability is good.
Comparative example 1
A preparation method of cobalt diselenide particles comprises the following steps:
(1) 873.0mg of cobalt nitrate hexahydrate (Co (NO)3)2·6H2O) is dispersed in 30mL of methanol, 974.4mg of 2-methylimidazole is dispersed in 5mL of methanol (the molar ratio of cobalt nitrate hexahydrate to 2-methylimidazole is 1:4), the mixture is uniformly stirred, the mixture is stood at room temperature for 24 hours, the mixture is centrifuged, a precipitate product is washed by methanol for 3 times, and the mixture is dried in vacuum at 60 ℃ for 3 hours to obtain a cobalt-based zeolite imidazole framework material (ZIF-67);
(2) uniformly mixing 100mg of cobalt-based zeolite imidazole framework material (ZIF-67) and 200mg of selenium powder, placing in a nitrogen atmosphere, heating to 600 ℃ at a speed of 2 ℃/min, and selenizing at constant temperature for 2h to obtain cobalt diselenide particles (CoSe)2/NC)。
And (3) performance testing: the cobalt diselenide particles prepared in comparative example 1 were assembled into a half cell in the manner of example 1, and a charge and discharge test was performed at a current density of 1A/g.
The test results are shown in fig. 5, and fig. 5 is a graph showing the cycle performance of the cobalt diselenide particles prepared in comparative example 1 at a current density of 1A/g. In fig. 5, the abscissa is the number of cycles, and the ordinate is the specific capacity, as can be seen from fig. 5, the first-cycle discharge capacity of the battery is about 430mAh/g, which is lower in specific capacity; and in the circulation process, the specific capacity is continuously reduced to 260mAh/g when the circulation is carried out for 50 circles, and the circulation stability is poor.

Claims (10)

1. A bimetallic selenide material comprising a core and a shell, the core comprising cobalt diselenide as a component and the shell comprising cobalt diselenide and nickel diselenide as a component.
2. The bimetallic selenide material of claim 1, wherein the composition of the core further includes nitrogen-doped carbon.
3. The method for preparing the bimetal selenide material of any one of claims 1 to 2, comprising the steps of:
(1) dissolving a cobalt-based zeolite imidazole framework structure material and soluble nickel salt in a solvent, and reacting to prepare a cobalt-nickel double hydroxide coated zeolite imidazole framework structure material;
(2) mixing the cobalt-nickel double hydroxide coated zeolite imidazole skeleton structure material prepared in the step (1) with selenium, and heating and reacting in a protective atmosphere to prepare the bimetallic selenide material.
4. The preparation method according to claim 3, wherein, in the step (1), the cobalt-based zeolitic imidazolate framework material is ZIF-67.
5. The preparation method according to claim 3, wherein in the step (1), the mass ratio of the cobalt-based zeolitic imidazole framework material to the soluble nickel salt is 1: (1-4).
6. The preparation method according to claim 3, wherein in the step (2), the mass ratio of the cobalt-nickel double hydroxide coated zeolitic imidazole framework material to the selenium is 1: (1-4).
7. The production method according to claim 3, wherein in the step (2), the temperature-raising reaction is carried out by: heating to 400-700 ℃ at a heating rate of 0.5-5 ℃/min, and keeping for 1-5 h.
8. Use of the bimetallic selenide material of claim 1 or 2 in the preparation of a battery.
9. A battery negative electrode material, comprising the double metal selenide material according to claim 1 or 2.
10. A battery comprising the double metal selenide material of claim 1 or 2.
CN202110538974.5A 2021-05-18 2021-05-18 Bimetallic selenide material and preparation method and application thereof Pending CN113314714A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110538974.5A CN113314714A (en) 2021-05-18 2021-05-18 Bimetallic selenide material and preparation method and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110538974.5A CN113314714A (en) 2021-05-18 2021-05-18 Bimetallic selenide material and preparation method and application thereof

Publications (1)

Publication Number Publication Date
CN113314714A true CN113314714A (en) 2021-08-27

Family

ID=77373572

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110538974.5A Pending CN113314714A (en) 2021-05-18 2021-05-18 Bimetallic selenide material and preparation method and application thereof

Country Status (1)

Country Link
CN (1) CN113314714A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118004978A (en) * 2024-04-10 2024-05-10 洛阳理工学院 Metal selenide material containing multiple heterogeneous interfaces and preparation method and application thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111841582A (en) * 2020-07-22 2020-10-30 华中科技大学 Preparation method and application of cobalt-nickel-based selenide material with dodecahedron-like hollow structure
CN112108160A (en) * 2020-09-03 2020-12-22 华中科技大学 Preparation method of dodecahedron hollow cobalt nickel selenide/iron oxyhydroxide composite catalyst

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111841582A (en) * 2020-07-22 2020-10-30 华中科技大学 Preparation method and application of cobalt-nickel-based selenide material with dodecahedron-like hollow structure
CN112108160A (en) * 2020-09-03 2020-12-22 华中科技大学 Preparation method of dodecahedron hollow cobalt nickel selenide/iron oxyhydroxide composite catalyst

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SEUNG-KEUN PARK ET AL.: ""Metal–organic framework-derived CoSe2/(NiCo)Se2 box-in-box hollow nanocubes with enhanced electrochemical properties for sodium-ion storage and hydrogen evolution"", 《JOURNAL OF MATERIALS CHEMISTRY A》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118004978A (en) * 2024-04-10 2024-05-10 洛阳理工学院 Metal selenide material containing multiple heterogeneous interfaces and preparation method and application thereof

Similar Documents

Publication Publication Date Title
CN106229498B (en) Cathode material suitable for water-based metal ion battery and preparation method thereof
CN109244427B (en) Preparation method of carbon-coated zinc sulfide loaded graphene as potassium ion battery cathode
CN108598394B (en) Carbon-coated titanium manganese phosphate sodium microspheres and preparation method and application thereof
CN112599743B (en) Carbon-coated nickel cobaltate multi-dimensional assembled microsphere negative electrode material and preparation method thereof
CN111564612B (en) High-thermal-conductivity and high-electrical-conductivity lithium battery positive electrode material and preparation method thereof
US20220077456A1 (en) Core-shell nickel ferrite and preparation method thereof, nickel ferrite@c material and preparation method and application thereof
CN107311119B (en) Hollow nanometer prism material of nickel cobalt diselenide, preparation method and application thereof
CN112652749B (en) Carbon cloth with uniformly distributed cobalt particles and vertical graphene growing thereon and preparation method and application thereof
CN112038614B (en) Negative electrode material for sodium ion battery and preparation method thereof
CN112110448A (en) Nitrogen-doped carbon and nano-silicon composite anode material and preparation method thereof
CN114864949B (en) Positive electrode material and preparation method and application thereof
CN111777065A (en) Graphite modified material for lithium ion battery and preparation method thereof
CN113690420B (en) Nitrogen-sulfur doped silicon-carbon composite material and preparation method and application thereof
CN110767879A (en) Preparation method of nickel-zinc battery based on high-activity nickel anode
CN113036097B (en) Sulfur vacancy nitrogen doped carbon coated nickel sulfide composite electrode material and preparation method thereof
CN113314714A (en) Bimetallic selenide material and preparation method and application thereof
CN115196683B (en) Positive electrode material, secondary battery and electric equipment
CN116387481A (en) Preparation method and application of heterostructure yolk shell type double transition metal selenide composite material
CN114583126B (en) La (La) 2 O 3 Co/AB composite material and preparation method and application thereof
CN114975957A (en) Sulfur/glucose mesoporous carbon sphere lithium sulfur battery positive electrode material and preparation method thereof
CN114023959A (en) Preparation method of magnesium-containing novel graphene lithium ion battery cathode material
CN113224299A (en) Electrode material and preparation method and application thereof
CN113206247A (en) Core-shell structure negative electrode material, preparation method thereof and lithium ion battery
CN111517297A (en) Preparation method and application of heterostructure/graphene composite material
CN110993950A (en) Core-shell structure cathode material, preparation method thereof and application thereof in lithium ion battery

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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20210827