CN105883940A - Preparation method of block NiS2 and application of block NiS2 to sodium-ion battery - Google Patents

Preparation method of block NiS2 and application of block NiS2 to sodium-ion battery Download PDF

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Publication number
CN105883940A
CN105883940A CN201610239755.6A CN201610239755A CN105883940A CN 105883940 A CN105883940 A CN 105883940A CN 201610239755 A CN201610239755 A CN 201610239755A CN 105883940 A CN105883940 A CN 105883940A
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block
nis
preparation
nickel
nis2
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CN105883940B (en
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刘军
朱坤杰
杨浩然
王浩
何鹏辉
谢天
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Central South University
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Central South University
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • C01G53/11—Sulfides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00—Manufacture or treatment of nanostructures
    • 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
    • H01M4/36—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
    • H01M4/5815—Sulfides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Abstract

The invention discloses a preparation method of block NiS2 and an application of the block NiS2 to a sodium-ion battery. According to the method, a 2-methylimidazole alcohol solution is added to a nickel salt alcohol solution, the mixture is evenly mixed, left to stand, subjected to centrifugal separation and dried, and nickel precursors are obtained; the nickel precursors and sulfur powder are ground and mixed, the mixture is placed in a vacuum environment for heat treatment, and a block NiS2 material comprising high-purity NiS2 nano spherical small particles is obtained. The material is used as an anode material to be applied to the sodium-ion battery and shows excellent electrochemical properties such as the high specific capacity, the long cycle life and the like; the preparation method of the block NiS2 material is simple, the cost is low, and industrial production requirements are met.

Description

A kind of block NiS2Preparation method and application in sodium-ion battery
Technical field
The present invention relates to a kind of block NiS2Preparation method and application, particularly to a kind of block NiS2As Negative material application in sodium-ion battery；Belong to sodium-ion battery field.
Background technology
Entered since 21st century, population, grain, the energy, resource and environment be it has been recognized that the world five Hang-up, wherein, energy problem is the most important difficult problem that people have to consider to solve immediately.Along with people The demand of the energy is continuously increased by class, and fossil energy is limited due to content on earth, and non-renewable And environmental pollution, can not meet the needs of the mankind.Then the mankind seek various clean energy resource, The most lithium ion battery of commercial applications.But the lithium resource as lithium ion battery material can not be expired The requirements such as foot aboundresources in addition to excellent chemical property, economic results in society with low cost.This In the case of Zhong, and the favor that lithium receives people with the sodium having similar physicochemical properties of main group, and sodium ion electricity Pond is basically identical with the charge-discharge principle of lithium ion battery.
By the charge-discharge principle of sodium-ion battery, we can draw, limits sodium-ion battery large-scale commercial Bottleneck is not find at present to be suitable to sodium ion and stablize the positive and negative pole material of deintercalation.In terms of positive electrode, research is relatively Many predominantly stratified material NaxMO2With polyanionic material etc.；Material with carbon element it is mainly in terms of negative material Etc. the alloy type materials such as embedded category, stannum and phosphorus and oxide or sulfide etc. convert class material (Xingde Xiang, Kai Zhang,Jun Chen.[J].Advanced Materials,2015,27(36).).In recent years, people are along with right Going deep into of sodium-ion battery research, the sulfide as negative material is increasingly paid close attention to by people.Document report The 2D material MoS in road2Hold after the cycle charge-discharge of 100 times under the electric current density of 1000mA/g Amount can reach 484mAh/g (Zhu C, Mu X, van Aken P A, et al.Angew.Chem.Int. Ed.2014,53:2152-2156).The ball-type FeS of Zhe Hu et al. report2As sodium ion negative material at 1A/g Electric current density under still can reach 200mAh/g (Hu Z, Zhu after the circulation of 20000 times Z,Cheng F,et al.[J].Energy&Environmental Science,2015,8(4):1309-1316.)。 The sodium ion negative material CoS of Zulipiya Shadike et al. report2Exist with carbon nano tube compound material After 100 cycle charge-discharges, the ratio of 631mAh/g still can be reached under the electric current density of 100mA/g Capacity (Shadike Z, Cao M H, Ding F, et al. [J] .Chemical Communications, 2015, 51(52):10486-10489.)。
In sum, sulfide has attracted people as sodium ion negative material due to the chemical property of its excellence Interest greatly, but up to the present, not about NiS2Report as anode material of lithium-ion battery Road.
Summary of the invention
For the defect of prior art, it is an object of the invention to be to provide one to prepare by high purity N iS2Receive The block NiS that the spherical little granule of rice is constituted2The method of material, the method is simple, flow process is short, low cost, full Foot industrialization production requirements.
Block NiS described in offer is provided2Application, as sodium ion electricity Pond negative material, makes sodium-ion battery show specific capacity high and have extended cycle life and wait the chemical property of excellence.
In order to realize above-mentioned technical purpose, the invention provides a kind of block NiS2Preparation method, this is prepared Method is to join in nickel salt alcoholic solution after mix homogeneously by 2-methylimidazole alcoholic solution, stands, centrifugation, It is dried, obtains nickel presoma；After described nickel presoma passes through ground and mixed with sulfur powder, it is placed in vacuum environment, At a temperature of 400～800 DEG C, carry out heat treatment, to obtain final product.
Preferably scheme, in 2-methylimidazole alcoholic solution 2-methylimidazole with in nickel salt alcoholic solution nickel ion mole Ratio is 2～6:1.
More preferably scheme, 2-methylimidazole alcoholic solution concentration is 0.3～1mol/L.
More preferably scheme, in nickel salt alcoholic solution, the concentration of nickel salt is 0.1～0.3mol/L.
The solvent used in more preferably scheme, 2-methylimidazole alcoholic solution and nickel salt alcoholic solution is methanol.
Preferably scheme, stands and carries out at ambient temperature, and time of repose is 12～24h.
Preferably scheme, the ground and mixed time is 10～60min.
Preferably scheme, heat treatment time is 1～6h.
Preferably scheme, nickel salt is nickel nitrate and/or Nickel dichloride..
Preferably scheme, nickel presoma is 1～3:1 with the mass ratio of sulfur powder.
More preferably scheme, block NiS2By NiS2Nano-particle is piled up and is constituted.
Present invention also offers block NiS prepared by described method2Application, by bulk NiS2As negative pole Materials application is in sodium-ion battery.
Block NiS prepared by the present invention2By highly purified Ni nanoparticle S2Granule is constituted, Ni nanoparticle S2Grain diameter Size is about 10nm, its small volume, and specific surface area is very big, considerably increases electrode material and is electrolysed with battery The contact area of liquid, decreases the ion path at granule internal motion, and can improve the transmission speed of ion Rate, reduces the electrode potential of battery, the speed of raising electrochemical reaction, thus block NiS2Have excellent Sodium-ion battery chemical property.
Hinge structure, the beneficial effect that technical solution of the present invention is brought:
1, NiS prepared by the present invention2Material has block structure, and microstructure is by highly purified NiS2Receive The little granule of rice is constituted；
2, the block NiS of the present invention2Material preparation method is simple, low cost, environmental protection, is suitable to extensive Industrialized production；
3, graininess NiS prepared by the present invention2First Application, in sodium-ion battery, makes sodium-ion battery discharge and recharge Good cycling stability, capability retention is high.
4, technical scheme uses 2-methylimidazole as chelating agent, promotes the coordination dispersion of nickel ion, Be conducive to the generation of nano nickel particles；And the 2-methylimidazole coordination compound of nickel becomes floccule body, be conducive to block NiS2 Generation.
Accompanying drawing explanation
[Fig. 1] is the NiS of embodiment 1 preparation2X-ray collection of illustrative plates；
A and B in [Fig. 2] is respectively the NiS of embodiment 1 preparation2Scanning electron microscope and the photo of transmission electron microscope；
[Fig. 3] is the NiS of embodiment 1 preparation2Cyclic voltammetric (CV) figure of sodium-ion battery；
[Fig. 4] is the NiS of embodiment 1 preparation2Sodium-ion battery is at 100mAg-1Electric current density under charge and discharge electrograph.
Detailed description of the invention
It is intended to further illustrate the present invention below in conjunction with embodiment, and the protection model of unrestricted the claims in the present invention Enclose.
Embodiment 1
1. by the Ni (NO of the commercialization of 5mmol3)2·4H2O is dissolved in 30mL methanol, stirs the appropriate time Treat that it is completely dissolved；2. the 2-methylimidazole of 20mmol is dissolved among 30mL methanol, stirring, treat that it is complete CL.In 2. pouring into 1., then left at room temperature 24h.Then with after methanol centrifuge washing three times, extremely In the drying baker of 50 DEG C, it is dried 12h, obtains the presoma containing Ni, then take appropriate presoma and sulfur Powder 2:1 in mass ratio grinds in agate mortar, vacuum sealing tube afterwards, heat in 600 degrees Celsius in tube furnace Process obtains product.SEM (Fig. 2 A) and TEM (Fig. 2 B) result show, the NiS of synthesis2For nanometer The bulk morphologies of granule composition, and XRD (Fig. 1) result shows that its purity is high, good crystallinity, for single Pure phase.
NiS preparation2Active substance, conductive agent Super P, binding agent CMC are with the ratio of mass ratio 7:2:1 Example is at least ground 30 minutes in mortar, is then transferred in 5mL vial, drips appropriate water and anhydrous The mixed liquor of ethanol, stirs 24h, is coated on Cu paper tinsel, is dried more than 10h, with punching in vacuum drying oven The pole piece of a diameter of 12mm gone out by sheet machine, (fills model in (Mbraun, Garching, Germany) at glove box It it is the battery of 2016.Particularly as follows: negative pole is sodium sheet, barrier film is fibreglass diaphragm, and electrolyte is for using volume Dimethyl carbonate (DMC) than 1:1 and ethylene carbonate (EC) solution, containing one in every 100 milliliters Mole sodium perchlorate, 0.05 milliliter of ethylene fluoride carbonic ester (FEC).
Embodiment 2
1. by the Ni (NO of the commercialization of 5mmol3)2·4H2O is dissolved in 30mL methanol, stirs the appropriate time Treat that it is completely dissolved；2. the 2-methylimidazole of 15mmol is dissolved among 30mL methanol, stirring, treat that it is complete CL.In 2. pouring into 1., then left at room temperature 2h.Then with after methanol centrifuge washing three times, extremely In the drying baker of 50 DEG C, it is dried 12h, obtains the presoma containing Ni, then take appropriate presoma and sulfur Powder 4:1 in mass ratio grinds in agate mortar, vacuum sealing tube afterwards, heat in 400 degrees Celsius in tube furnace Process obtains product.Detect through SEM and TEM, the NiS of result display synthesis2For nano-particle composition Bulk morphologies, and XRD result shows that its purity is high, for single NiS2Crystalline phase.
Preparing the method such as embodiment 1 of sodium-ion battery, the sodium-ion battery of preparation shows good discharge and recharge Cyclical stability and high power capacity conservation rate.
Embodiment 3
1. by the Ni (NO of the commercialization of 5mmol3)2·4H2O is dissolved in 30mL methanol, stirs the appropriate time Treat that it is completely dissolved；2. the 2-methylimidazole of 25mmol is dissolved among 30mL methanol, stirring, treat that it is complete CL.In 2. pouring into 1., then left at room temperature 18h.Then with after methanol centrifuge washing three times, extremely In the drying baker of 50 DEG C, it is dried 12h, obtains the presoma containing Ni, then take appropriate presoma and sulfur Powder 1:1 in mass ratio grinds in agate mortar, vacuum sealing tube afterwards, heat in 800 degrees Celsius in tube furnace Process obtains product.Detect through SEM and TEM, the NiS of result display synthesis2For nano-particle composition Bulk morphologies, and XRD result shows that its purity is high, for single NiS2Crystalline phase.
Preparing the method such as embodiment 1 of sodium-ion battery, the sodium-ion battery of preparation shows good discharge and recharge Cyclical stability and high power capacity conservation rate.

Claims (10)

1. a block NiS2Preparation method, it is characterised in that: 2-methylimidazole alcoholic solution is joined nickel salt alcohol In solution after mix homogeneously, stand, centrifugation, be dried, obtain nickel presoma；Described nickel presoma and sulfur Powder is by, after ground and mixed, being placed in vacuum environment, carry out heat treatment, to obtain final product at a temperature of 400～800 DEG C.
Block NiS the most according to claim 12Preparation method, it is characterised in that: 2-methylimidazole alcohol is molten In liquid, 2-methylimidazole is 2～6:1 with the mol ratio of nickel ion in nickel salt alcoholic solution.
Block NiS the most according to claim 1 and 22Preparation method, it is characterised in that: described 2- Methylimidazole. alcoholic solution concentration is 0.3～1mol/L；In described nickel salt alcoholic solution, the concentration of nickel salt is 0.1～0.3mol/L.
Block NiS the most according to claim 12Preparation method, it is characterised in that: described rests on room Carrying out under the conditions of temperature, time of repose is 12～24h.
Block NiS the most according to claim 12Preparation method, it is characterised in that: the ground and mixed time is 10～60min.
Block NiS the most according to claim 12Preparation method, it is characterised in that: heat treatment time is 1～6h.
Block NiS the most according to claim 12Preparation method, it is characterised in that: described nickel salt is nitre Acid nickel and/or Nickel dichloride..
Block NiS the most according to claim 12Preparation method, it is characterised in that: described nickel presoma It is 1～3:1 with the mass ratio of sulfur powder.
9. according to the block NiS described in any one of claim 1～82Preparation method, it is characterised in that: described Block NiS2By NiS2Nano-particle is piled up and is constituted.
10. the block NiS that prepared by the preparation method described in claim 92Application, it is characterised in that: as negative Pole materials application is in sodium-ion battery.
CN201610239755.6A 2016-04-18 2016-04-18 Preparation method of block NiS2 and application of block NiS2 to sodium-ion battery Expired - Fee Related CN105883940B (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107140699A (en) * 2017-05-31 2017-09-08 武汉理工大学 NiS2Meso-porous nano ball material and its preparation method and application
CN107344732A (en) * 2017-03-29 2017-11-14 武汉理工大学 A kind of controllable three-dimensional porous NiS of hole2Microballoon and its preparation method and application
CN107658459A (en) * 2017-09-30 2018-02-02 哈尔滨工业大学 A kind of preparation method and application of iron oxide, ferrous disulfide and sulphur composite
CN107785548A (en) * 2017-09-30 2018-03-09 哈尔滨工业大学 A kind of FeS2With the preparation method and application of S composites
CN108666540A (en) * 2018-04-02 2018-10-16 中南大学 A kind of carbon coating curing nickel material and preparation method thereof and as anode material of lithium-ion battery application
CN109277104A (en) * 2018-10-16 2019-01-29 陕西科技大学 A kind of NiS of sulfur-rich vanadium modification2Elctro-catalyst and preparation method thereof
CN110182860A (en) * 2019-07-11 2019-08-30 昆明理工大学 A kind of method that eutectic solvent one-step synthesis prepares nano nickel sulphur compound
CN112582618A (en) * 2020-12-14 2021-03-30 安徽大学 Preparation method of nickel sulfide nanosheet anchored on inner surface of nitrogen-containing hollow carbon substrate, prepared product and application of product

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5618372A (en) * 1979-07-24 1981-02-21 Hitachi Maxell Ltd Battery of nonaqueous electrolyte
KR20020086156A (en) * 2001-05-11 2002-11-18 한국과학기술원 An Electrode for the Lithium Secondary Batteries Using Nickel Sulfide Compound and Fabrication Method Thereof
CN102633309A (en) * 2012-01-13 2012-08-15 沈阳理工大学 Hydrothermal preparation method for NiS2 with controllable shape
CN104261491A (en) * 2014-10-10 2015-01-07 湘潭大学 Method for synthesizing high-purity nickel disulfide

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5618372A (en) * 1979-07-24 1981-02-21 Hitachi Maxell Ltd Battery of nonaqueous electrolyte
KR20020086156A (en) * 2001-05-11 2002-11-18 한국과학기술원 An Electrode for the Lithium Secondary Batteries Using Nickel Sulfide Compound and Fabrication Method Thereof
CN102633309A (en) * 2012-01-13 2012-08-15 沈阳理工大学 Hydrothermal preparation method for NiS2 with controllable shape
CN104261491A (en) * 2014-10-10 2015-01-07 湘潭大学 Method for synthesizing high-purity nickel disulfide

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
X. J. LIU ET AL.: "CHARGE/DISCHARGE PROPERTIES OF MECHANICALLY ALLOYED CATHODE MATERIAL-NiS2 FOR Na/NiS2 CELLS", 《REV. ADV. MATER. SCI.》 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107344732A (en) * 2017-03-29 2017-11-14 武汉理工大学 A kind of controllable three-dimensional porous NiS of hole2Microballoon and its preparation method and application
CN107140699A (en) * 2017-05-31 2017-09-08 武汉理工大学 NiS2Meso-porous nano ball material and its preparation method and application
CN107140699B (en) * 2017-05-31 2018-12-11 武汉理工大学 NiS2Meso-porous nano ball material and its preparation method and application
CN107658459A (en) * 2017-09-30 2018-02-02 哈尔滨工业大学 A kind of preparation method and application of iron oxide, ferrous disulfide and sulphur composite
CN107785548A (en) * 2017-09-30 2018-03-09 哈尔滨工业大学 A kind of FeS2With the preparation method and application of S composites
CN107785548B (en) * 2017-09-30 2020-07-28 哈尔滨工业大学 FeS2Preparation method and application of S-S composite material
CN108666540A (en) * 2018-04-02 2018-10-16 中南大学 A kind of carbon coating curing nickel material and preparation method thereof and as anode material of lithium-ion battery application
CN109277104A (en) * 2018-10-16 2019-01-29 陕西科技大学 A kind of NiS of sulfur-rich vanadium modification2Elctro-catalyst and preparation method thereof
CN109277104B (en) * 2018-10-16 2021-08-06 陕西科技大学 Sulfur-rich vanadium-modified NiS2Electrocatalyst and method of making
CN110182860A (en) * 2019-07-11 2019-08-30 昆明理工大学 A kind of method that eutectic solvent one-step synthesis prepares nano nickel sulphur compound
CN112582618A (en) * 2020-12-14 2021-03-30 安徽大学 Preparation method of nickel sulfide nanosheet anchored on inner surface of nitrogen-containing hollow carbon substrate, prepared product and application of product

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