CN110247049A - A kind of lithium battery metal oxide negative electrode material and its preparation method and application - Google Patents
A kind of lithium battery metal oxide negative electrode material and its preparation method and application Download PDFInfo
- Publication number
- CN110247049A CN110247049A CN201910358172.9A CN201910358172A CN110247049A CN 110247049 A CN110247049 A CN 110247049A CN 201910358172 A CN201910358172 A CN 201910358172A CN 110247049 A CN110247049 A CN 110247049A
- Authority
- CN
- China
- Prior art keywords
- negative electrode
- electrode material
- metal oxide
- oxide negative
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G41/00—Compounds of tungsten
- C01G41/006—Compounds containing, besides tungsten, two or more other elements, with the exception of oxygen or hydrogen
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
-
- 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
Abstract
The invention discloses a kind of lithium battery metal oxide negative electrode materials and its preparation method and application.The negative electrode material has following general formula: MaPbNb18W16O93+c, wherein M is selected from one of caesium and rubidium, and P is selected from one of lead and tin, 0≤a≤5,0≤b≤2.5,2c=a+2b, and a+b > 0.The preparation method of the metal oxide negative electrode material includes that the metal oxide negative electrode material of doping is made after being sufficiently mixed by way of tabletting heating, ball milling after mixing the source M, the source P, niobium oxide and tungsten oxide in proportion.Negative electrode material involved by the present invention has excellent structural stability, and the cycle characteristics of battery is made to be further enhanced.
Description
Technical field
The invention belongs to technical field of lithium ion, and in particular to a kind of lithium battery metal oxide negative electrode material and its
Preparation method and application.
Technical background
It is higher that Griffith in 2018 et al. (Nature2018,559,556-563) has found that niobium tungsten metal oxidic has
Gram volume, gram volume is 230mAh/g or so between 1V-2.5V.It is 10 at 25 DEG C of the lithium ion diffusion coefficient of this kind of material-12~10-13m2.s-1, much higher than the ionic diffusion coefficient of lithium titanate, cause micron order niobium tungsten metal oxidic to show fabulous
Multiplying power property.Therefore battery can be made to obtain as lithium cell cathode material using micron order niobium tungsten metal oxidic primary particle
Obtain higher energy density and excellent multiplying power property.
But during high rate charge-discharge, deformation sharply occurs during removal lithium embedded for niobium tungsten metal oxidic,
Lead to the destructurized of material, more obvious decaying occurs for capacity, and it is 95% that 10C, which recycles 250 weeks capacity retention ratios,.To meet
Long life requirement of the market to high-multiplying-power battery material, the cycle performance needs further improvement of the material.
Summary of the invention:
The invention solves the technical problems such as above-mentioned battery material service life short, cycle characteristics, provide a kind of lithium battery gold
Belong to oxide cathode material and preparation method thereof, by metal-doped, make niobium tungsten metal oxidic keep high gram volume and times
Cycle characteristics is improved while rate performance.
To achieve the above object, the invention provides the following technical scheme:
A kind of lithium battery metal oxide negative electrode material, the negative electrode material have following general formula: MaPbNb18W16O93+c,
Wherein, any one of M in caesium and rubidium, any one of P in lead and tin, 0≤a≤5,0≤b≤2.5,2c=a
+ 2b, and a+b > 0.
A kind of preparation method of lithium battery metal oxide negative electrode material, includes the following steps:
S1: after the source M, the source P, niobium oxide and tungsten oxide are mixed in proportion, under inert gas protection ball milling with
It is sufficiently mixed；
S2: it by the powder of acquisition in 5-20MPa lower sheeting, is then warming up in high temperature furnace with the speed of 1-10 DEG C/min
950-1350 DEG C, 24 hours are kept the temperature, is cooled to room temperature；
S3: metal oxide negative electrode material is made with ball milling method in the tabletting of acquisition.
Preferably, the source M, the source P, niobium oxide and tungsten oxide are by mole for 2.5:0:18:
13.5 to 0:2.5:18:13.5 are uniformly mixed.
Preferably, 1200 DEG C are warming up to the speed of 1-10 DEG C/min in the high temperature furnace.
Preferably, the source M is the tungstates containing caesium or rubidium.
Preferably, the source P is the tungstates containing lead or tin.
Preferably, the niobium oxide is columbium dioxide or niobium pentaoxide.
Preferably, the inert gas is nitrogen or one of argon gas or neon or various mixed gases.
A kind of lithium ion battery, it includes the power metal oxide negative electrode material.
Ball milling is when ball milling rotation, due to the rubbing action between abrasive body and ball milling inner wall.By abrasive body according to rotation
Direction take after fall again.Material is just continuously crushed in this way.There are three types of motion states for mill body: rushing down the formula of falling, centrifugation
Formula leaves formula.The advantages of ball milling, is: (1) can be used for dry grinding or wet-milling；(2) operating condition is good, and crushing carries out in closed machine,
There is no dust to fly upward；(3) operating is reliable, and abrasive body is cheap, and is conveniently replaceable；(4) can intermittently operated, can also operate continuously；(5)
When crushing explosive material, inert gas can be filled in mill to replace air.
Rare gas or inert gas refer on the periodic table of elements 18 race's elements (IUPAC newly provides, i.e., original 0
Race).At normal temperatures and pressures, they are all the monoatomic gases of colorless and odorless, are difficult to be chemically reacted.It is naturally occurring rare
Gas has six kinds, i.e. helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe) and the radioactive radon (Rn) of tool.And Og is with people
The rare gas of work synthesis, atomic nucleus is highly unstable, and half-life period is very short (5 milliseconds).According to the periodic law of elements, estimate that Og compares radon
It is more active.But, theoretical calculation is shown, it may be very active, may not be able to be known as inert gas.However, carbon family is first
Su Fu (Fl, former to be temporarily named as Uuq) shows property similar with rare gas.Heretofore described inert gas is simultaneously unlimited
In the nitrogen or one of argon gas or neon or various mixed gases, selected according to actual process.
Compared with prior art, of the invention to have the advantages that
Doping niobium tungsten metal oxidic of the present invention, gram volume with higher and excellent high rate performance；Simultaneously
Due to the doping of metallic element, keep material structure during removal lithium embedded more stable, battery when improving big circulation
Cycle characteristics.
Specific embodiment
To keep the contents of the present invention more clear and easy to understand, with reference to embodiments, the contents of the present invention are made furtherly
It is bright.Certainly the invention is not limited to the specific embodiment, and general replacement known to those skilled in the art is also covered by
Within the scope of the present invention.
Embodiment 1
The production of metal oxide negative electrode material:
By 10 grams of wolframic acid caesium (Cs2O4W), columbium dioxide (NbO2) and tungsten dioxide (WO2) mixture inert atmosphere protect
Lower ball milling is protected to be sufficiently mixed, wherein the molar ratio of three kinds of substances is 0.05:18:15.95.By the powder of acquisition at 10MPa
Tabletting is subsequently put in high temperature furnace and is warming up to 1200 DEG C with the heating rate of 5 DEG C/min, keeps the temperature 24 hours, is cooled to room temperature.It will
Metal oxide negative electrode material Cs is made in the piece ball milling of acquisition0.1Nb18W16O93.05。
Lithium ion battery production:
0.5gPVDF is added in 20gNMP, dissolution is sufficiently stirred.0.5g conductive black is added to stir 30 minutes, then adds
Enter 10g metal oxide negative electrode material, stirs 60 minutes.Obtained slurry is coated on 12 microns of thickness of aluminium foil, is coated with
Two-sided surface density is 110g/m2.120 DEG C of drying back roller pole pressure pieces, compacted density 1.95g/cm3, pole piece width is 59mm, system
Obtain negative electrode tab.
0.5gPVDF is added in 15gNMP, dissolution is sufficiently stirred.0.5g conductive black is added to stir 30 minutes, then adds
Enter 10gLiMn2O4Positive electrode stirs 100 minutes.Slurry is coated on 12 microns of thickness of aluminium foil, keeps positive plate unit
Area capacity: cathode capacity per unit area=1.08.120 DEG C of drying back roller pole pressure pieces, compacted density 2.8g/cm3, pole piece
Width is 57mm, and positive plate is made.
The diaphragm use 12 μm, 61mm wide, porosity for 45% PE micro-pore septum.
The positive electrode, the negative electrode and the separator is wound obtained core, is packed into internal diameter 17.4mm, outer diameter 18.0mm, height 65mm
Steel shell, core bottom area be steel shell internal diameter area 92%.
Inject 6.5g1.2mol/LLiPF6Electrolyte (solvent PC:EMC:DMC=1:2:2), load onto nut cap and sealed
Mouthful.After shelving 12 hours, with 300mA electric current, 2.80V upper limit voltage, 30mA cut-off current carry out constant-current constant-voltage charging, then with
300mA electric current, 1.60V lower voltage limit carry out constant-current discharge, and after the completion of chemical conversion, lithium ion cylinder battery is made.
Embodiment 2
The production of metal oxide negative electrode material:
By 10 grams of wolframic acid caesiums, columbium dioxide and tungsten dioxide mixture under inert atmosphere protection ball milling with sufficiently mixed
It closes, wherein the molar ratio of three kinds of substances is 0.05:18:15.95.By the powder of acquisition in 5MPa lower sheeting, it is subsequently put on high temperature
1200 DEG C are warming up to the heating rate of 5 DEG C/min in furnace, 24 hours is kept the temperature, is cooled to room temperature.The piece ball milling of acquisition is made
Metal oxide negative electrode material Cs0.1Nb18W16O93.05.
The production of lithium ion battery:
Step is the same as embodiment 1.
Embodiment 3
The production of metal oxide negative electrode material:
By 10 grams of wolframic acid caesiums, columbium dioxide and tungsten dioxide mixture under inert atmosphere protection ball milling with sufficiently mixed
It closes, wherein the molar ratio of three kinds of substances is 0.05:18:15.95.By the powder of acquisition in 20MPa lower sheeting, it is subsequently put on high temperature
1200 DEG C are warming up to the heating rate of 5 DEG C/min in furnace, 24 hours is kept the temperature, is cooled to room temperature.The piece ball milling of acquisition is made
Metal oxide negative electrode material Cs0.1Nb18W16O93.05.
The production of lithium ion battery:
Step is the same as embodiment 1.
Embodiment 4
The production of metal oxide negative electrode material:
By 10 grams of wolframic acid caesiums, columbium dioxide and tungsten dioxide mixture under inert atmosphere protection ball milling with sufficiently mixed
It closes, wherein the molar ratio of three kinds of substances is 0.05:18:15.95.By the powder of acquisition in 10MPa lower sheeting, it is subsequently put on high temperature
1200 DEG C are warming up to the heating rate of 1 DEG C/min in furnace, 24 hours is kept the temperature, is cooled to room temperature.The piece ball milling of acquisition is made
Metal oxide negative electrode material Cs0.1Nb18W16O93.05.
The production of lithium ion battery:
Step is the same as embodiment 1.
Embodiment 5
The production of metal oxide negative electrode material:
By 10 grams of wolframic acid caesiums, columbium dioxide and tungsten dioxide mixture under inert atmosphere protection ball milling with sufficiently mixed
It closes, wherein the molar ratio of three kinds of substances is 0.05:18:15.95.By the powder of acquisition in 10MPa lower sheeting, it is subsequently put on high temperature
1200 DEG C are warming up to the heating rate of 10 DEG C/min in furnace, 24 hours is kept the temperature, is cooled to room temperature.The piece ball milling of acquisition is made
Metal oxide negative electrode material Cs0.1Nb18W16O93.05.
The production of lithium ion battery:
Step is the same as embodiment 1.
Embodiment 6
The production of metal oxide negative electrode material:
By 10 grams of lead tungstates (PbWO4), columbium dioxide and tungsten dioxide mixture under inert atmosphere protection ball milling with
It is sufficiently mixed, wherein the molar ratio of three kinds of substances is 0.1:18:15.9.By the powder of acquisition in 5MPa lower sheeting, it is subsequently put on
1200 DEG C are warming up to the heating rate of 5 DEG C/min in high temperature furnace, 24 hours is kept the temperature, is cooled to room temperature.By the piece ball milling of acquisition
Metal oxide negative electrode material Pb0.1Nb18W16O93.1 is made.
The production of lithium ion battery:
Step is the same as embodiment 1.
Embodiment 7
The production of metal oxide negative electrode material:
By 10 grams of wolframic acid rubidiums, columbium dioxide and tungsten dioxide mixture under inert atmosphere protection ball milling with sufficiently mixed
It closes, wherein the molar ratio of three kinds of substances is 0.05:18:15.95.By the powder of acquisition in 10MPa lower sheeting, it is subsequently put on high temperature
1200 DEG C are warming up to the heating rate of 10 DEG C/min in furnace, 24 hours is kept the temperature, is cooled to room temperature.The piece ball milling of acquisition is made
Metal oxide negative electrode material Rb0.1Nb18W16O93.05。
The production of lithium ion battery:
Step is the same as embodiment 1.
Embodiment 8
The production of metal oxide negative electrode material:
By 10 grams of wolframic acid tin (SnWO4), columbium dioxide and tungsten dioxide mixture under inert atmosphere protection ball milling with
It is sufficiently mixed, wherein the molar ratio of three kinds of substances is 0.1:18:15.9.By the powder of acquisition in 20MPa lower sheeting, it is subsequently put on
1200 DEG C are warming up to the heating rate of 5 DEG C/min in high temperature furnace, 24 hours is kept the temperature, is cooled to room temperature.By the piece ball milling of acquisition
Metal oxide negative electrode material Sn is made0.1Nb18W16O93.1。
The production of lithium ion battery:
Step is the same as embodiment 1.
Embodiment 9
The production of metal oxide negative electrode material:
By 10 grams of wolframic acid caesiums, columbium dioxide and tungsten dioxide mixture under inert atmosphere protection ball milling with sufficiently mixed
It closes, wherein the molar ratio of three kinds of substances is 2.5:18:13.5.By the powder of acquisition in 10MPa lower sheeting, it is subsequently put on high temperature furnace
In with the heating rate of 5 DEG C/min be warming up to 1200 DEG C, keep the temperature 24 hours, be cooled to room temperature.Gold is made in the piece ball milling of acquisition
Belong to oxide cathode material C s5Nb18W16O95.5。
The production of lithium ion battery:
Step is the same as embodiment 1.
Embodiment 10
The production of metal oxide negative electrode material:
By 10 grams of lead tungstates, columbium dioxide and tungsten dioxide mixture under inert atmosphere protection ball milling with sufficiently mixed
It closes, wherein the molar ratio of three kinds of substances is 2.5:18:13.5.By the powder of acquisition in 10MPa lower sheeting, it is subsequently put on high temperature furnace
In with the heating rate of 5 DEG C/min be warming up to 1200 DEG C, keep the temperature 24 hours, be cooled to room temperature.Gold is made in the piece ball milling of acquisition
Belong to oxide cathode material Pb2.5Nb18W16O95.5。
The production of lithium ion battery:
Step is the same as embodiment 1.
Embodiment 11
The production of metal oxide negative electrode material:
By 10 grams of wolframic acid rubidiums, columbium dioxide and tungsten dioxide mixture under inert atmosphere protection ball milling with sufficiently mixed
It closes, wherein the molar ratio of three kinds of substances is 2.5:18:13.5.By the powder of acquisition in 10MPa lower sheeting, it is subsequently put on high temperature furnace
In with the heating rate of 1 DEG C/min be warming up to 1200 DEG C, keep the temperature 24 hours, be cooled to room temperature.Gold is made in the piece ball milling of acquisition
Belong to oxide cathode material Rb5Nb18W16O95.5。
The production of lithium ion battery:
Step is the same as embodiment 1.
Embodiment 12
The production of metal oxide negative electrode material:
By 10 grams of wolframic acid tin, columbium dioxide and tungsten dioxide mixture under inert atmosphere protection ball milling with sufficiently mixed
It closes, wherein the molar ratio of three kinds of substances is 2.5:18:13.5.By the powder of acquisition in 10MPa lower sheeting, it is subsequently put on high temperature furnace
In with the heating rate of 5 DEG C/min be warming up to 1200 DEG C, keep the temperature 24 hours, be cooled to room temperature.Gold is made in the piece ball milling of acquisition
Belong to oxide cathode material Sn2.5Nb18W16O95.5。
The production of lithium ion battery:
Step is the same as embodiment 1.
Embodiment 13
The production of metal oxide negative electrode material:
By 10 grams of wolframic acid caesiums, lead tungstate, columbium dioxide and tungsten dioxide mixture under inert atmosphere protection ball milling with
It is sufficiently mixed, wherein the molar ratio of four kinds of substances is 0.8:1.2:18:14.By the powder of acquisition in 10MPa lower sheeting, then put
1200 DEG C are warming up to the heating rate of 5 DEG C/min in high temperature furnace, 24 hours is kept the temperature, is cooled to room temperature.By the piece ball of acquisition
Grind to obtain metal oxide negative electrode material Cs0.8Pb1.2Nb18W16O94.6。
The production of lithium ion battery:
Step is the same as embodiment 1.
Embodiment 14
The production of metal oxide negative electrode material:
By 10 grams of wolframic acid rubidiums, wolframic acid tin, columbium dioxide and tungsten dioxide mixture under inert atmosphere protection ball milling with
It is sufficiently mixed, wherein the molar ratio of four kinds of substances is 0.8:1.2:18:14.By the powder of acquisition in 10MPa lower sheeting, then put
1200 DEG C are warming up to the heating rate of 5 DEG C/min in high temperature furnace, 24 hours is kept the temperature, is cooled to room temperature.By the piece ball of acquisition
Grind to obtain metal oxide negative electrode material Rb0.8Sn1.2Nb18W16O94.6。
The production of lithium ion battery:
Step is the same as embodiment 1.
Embodiment 15
This group is control group
The production of metal oxide negative electrode material:
By 10 grams of columbium dioxides and tungsten dioxide mixture, ball milling is under inert atmosphere protection to be sufficiently mixed, two kinds of objects
The molar ratio of matter is 18:16.By the powder of acquisition in 10MPa lower sheeting, it is subsequently put on the heating speed in high temperature furnace with 5 DEG C/min
Degree is warming up to 1200 DEG C, keeps the temperature 24 hours, is cooled to room temperature.Metal oxide negative electrode material is made in the piece ball milling of acquisition
Nb18W16O93。
The production of lithium ion battery:
Step is the same as embodiment 1.
The battery obtained of 1-11 through the foregoing embodiment is tested as follows:
1, gram volume is tested: cathode pole piece obtained in all embodiments and metal lithium sheet are formed into button cell, with
The charge and discharge between 1-3V of 0.2C electric current measure battery capacity, gram volume=battery capacity/active material weight；
2, cycle performance is tested: by all embodiment batteries, normal temperature environment carries out 10C charge and discharge between 1.8-2.8V, obtains
Circulating cycle number when capacity retention ratio is 80%；Experimental result such as table 1:
Table 1 is the cycle performance of battery gram volume, 10C capacity retention ratio and battery:
From the test result of table 1 it is found that being compared to the control group embodiment 11, with niobium tungsten metal oxygen in embodiment 1 to 14
Doped chemical caesium (relative atomic mass 132.9), rubidium (relative atomic mass 84.47), lead (relative atomic mass in compound
207.2) or the content of tin (relative atomic mass 118.7) improves:
1) gram volume of battery is declined slightly, wherein (is implemented when adding lead content and accounting for when compounds content ratio reaches 8%
Example 6) gram volume of battery is declined slightly 7%；When addition Theil indices, which account for compounds content ratio, reaches 5%, (embodiment 8) electricity
The gram volume in pond is declined slightly 8%
2) cycle performance of battery is significantly improved.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to restrict the invention, all in the present invention and former
Any modifications, equivalent replacements, and improvements etc. done within then, should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of lithium battery metal oxide negative electrode material, which is characterized in that the negative electrode material has following general formula:
MaPbNb18W16O93+c, wherein any one of M in caesium and rubidium, any one of P in lead and tin, 0≤a≤5,0
≤ b≤2.5,2c=a+2b, and a+b > 0.
2. a kind of preparation method of lithium battery metal oxide negative electrode material as described in claim 1, which is characterized in that including
Following steps:
S1: after the source M, the source P, niobium oxide and tungsten oxide are mixed in proportion, ball milling is under inert gas protection with abundant
Mixing；
S2: by the powder of acquisition in 5-20MPa lower sheeting, 950- is then warming up to the speed of 1-10 DEG C/min in high temperature furnace
1350 DEG C, 24 hours are kept the temperature, is cooled to room temperature；
S3: metal oxide negative electrode material is made with ball milling method in the tabletting of acquisition.
3. the preparation method of lithium battery metal oxide negative electrode material as claimed in claim 2, which is characterized in that the source M,
The source P, niobium oxide are uniformly mixed by mole for 2.5:0:18 to 0:2.5:18, and tungsten oxide mole is with the source M and the source P
Variation is added.
4. the preparation method of lithium battery metal oxide negative electrode material as claimed in claim 2, which is characterized in that the high temperature
1200 DEG C are warming up in furnace with the speed of 1-10 DEG C/min.
5. the preparation method of lithium battery metal oxide negative electrode material as claimed in claim 2, which is characterized in that the source M
For the tungstates containing caesium or rubidium.
6. the preparation method of lithium battery metal oxide negative electrode material as claimed in claim 2, which is characterized in that the source P
For the tungstates containing lead or tin.
7. the preparation method of lithium battery metal oxide negative electrode material as claimed in claim 2, which is characterized in that the niobium oxygen
Compound is columbium dioxide or niobium pentaoxide.
8. the preparation method of lithium battery metal oxide negative electrode material as claimed in claim 2, which is characterized in that the inertia
Gas is nitrogen or one of argon gas or neon or various mixed gases.
9. a kind of lithium ion battery, which is characterized in that it includes metal oxide negative electrode material described in claim 1.
10. a kind of metal oxide negative electrode material as described in claim 1 is preparing the application in battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358172.9A CN110247049A (en) | 2019-04-30 | 2019-04-30 | A kind of lithium battery metal oxide negative electrode material and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358172.9A CN110247049A (en) | 2019-04-30 | 2019-04-30 | A kind of lithium battery metal oxide negative electrode material and its preparation method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110247049A true CN110247049A (en) | 2019-09-17 |
Family
ID=67883426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910358172.9A Pending CN110247049A (en) | 2019-04-30 | 2019-04-30 | A kind of lithium battery metal oxide negative electrode material and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110247049A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931717A (en) * | 2019-12-06 | 2020-03-27 | 浙江埃登达新能源材料有限公司 | Ball-milling negative electrode bag and preparation method thereof |
| CN111653772A (en) * | 2020-05-28 | 2020-09-11 | 武汉理工大学 | Flexible iron niobate nanowire array electrode and preparation method and application thereof |
| CN112885992A (en) * | 2021-01-12 | 2021-06-01 | 厦门厦钨新能源材料股份有限公司 | Preparation method and application of lithium ion battery negative electrode material |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211027A (en) * | 2010-04-07 | 2011-10-12 | 烟台万华聚氨酯股份有限公司 | Catalyst and preparation method thereof as well as method for preparing methylacrolein with catalyst |
| CN102459085A (en) * | 2009-05-21 | 2012-05-16 | 康奈尔大学 | Conducting metal oxide and metal nitride nanoparticles |
| CN106435317A (en) * | 2016-10-25 | 2017-02-22 | 林海英 | Niobium and tungsten alloy and preparation method thereof |
| US20170155132A1 (en) * | 2015-11-30 | 2017-06-01 | Lg Chem, Ltd. | Surface-treated positive electrode active material for lithium secondary battery, method for preparing the same, and lithium secondary battery comprising the same |
| CN108682848A (en) * | 2018-05-21 | 2018-10-19 | 兰州金川新材料科技股份有限公司 | A kind of preparation method for mixing niobium tungsten tantalum cobalt acid lithium |
| US20180331359A1 (en) * | 2015-12-09 | 2018-11-15 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Cathode Material For Li-Ion Batteries |
| CN109244443A (en) * | 2018-11-13 | 2019-01-18 | 瑞声科技（南京）有限公司 | Lithium ion battery negative material and nonaqueous electrolyte battery |
-
2019
- 2019-04-30 CN CN201910358172.9A patent/CN110247049A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102459085A (en) * | 2009-05-21 | 2012-05-16 | 康奈尔大学 | Conducting metal oxide and metal nitride nanoparticles |
| CN102211027A (en) * | 2010-04-07 | 2011-10-12 | 烟台万华聚氨酯股份有限公司 | Catalyst and preparation method thereof as well as method for preparing methylacrolein with catalyst |
| US20170155132A1 (en) * | 2015-11-30 | 2017-06-01 | Lg Chem, Ltd. | Surface-treated positive electrode active material for lithium secondary battery, method for preparing the same, and lithium secondary battery comprising the same |
| US20180331359A1 (en) * | 2015-12-09 | 2018-11-15 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Cathode Material For Li-Ion Batteries |
| CN106435317A (en) * | 2016-10-25 | 2017-02-22 | 林海英 | Niobium and tungsten alloy and preparation method thereof |
| CN108682848A (en) * | 2018-05-21 | 2018-10-19 | 兰州金川新材料科技股份有限公司 | A kind of preparation method for mixing niobium tungsten tantalum cobalt acid lithium |
| CN109244443A (en) * | 2018-11-13 | 2019-01-18 | 瑞声科技（南京）有限公司 | Lithium ion battery negative material and nonaqueous electrolyte battery |
Non-Patent Citations (1)
| Title |
|---|
| 鄢蕾: "钨酸铌的合成及电化学性能研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931717A (en) * | 2019-12-06 | 2020-03-27 | 浙江埃登达新能源材料有限公司 | Ball-milling negative electrode bag and preparation method thereof |
| CN111653772A (en) * | 2020-05-28 | 2020-09-11 | 武汉理工大学 | Flexible iron niobate nanowire array electrode and preparation method and application thereof |
| CN112885992A (en) * | 2021-01-12 | 2021-06-01 | 厦门厦钨新能源材料股份有限公司 | Preparation method and application of lithium ion battery negative electrode material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109216688B (en) | Ternary lithium battery material, preparation method thereof and lithium ion battery | |
| CN107302087B (en) | A kind of lithium battery nickle cobalt lithium manganate tertiary cathode material and preparation method thereof | |
| CN103000880B (en) | Positive electrode and preparation method thereof and the lithium ion battery that comprises this positive electrode | |
| CN109830651A (en) | A kind of tertiary cathode high-nickel material and preparation method thereof that double-coating is modified | |
| CN110247049A (en) | A kind of lithium battery metal oxide negative electrode material and its preparation method and application | |
| CN105118991A (en) | Lithium ion secondary battery positive electrode material and preparation method thereof | |
| CN101944612B (en) | Lithium titanate cathode material and preparation method thereof and lithium ion battery using lithium titanate cathode material | |
| CN100418254C (en) | Nonaqueous electrolyte secondary battery | |
| CN107666015A (en) | A kind of aqueous phase electrolyte system zinc iodine secondary cell and preparation method thereof | |
| CN106450260B (en) | Anode material for lithium-ion batteries LiCo1-x-yVxMgyO2-yFyAnd preparation method thereof | |
| CN101764212A (en) | Method for preparing spinelle lithium titanate for lithium ion battery negative electrode material | |
| CN103280555A (en) | Lithium ion battery silicon-based alloy cathode material and preparation method thereof and lithium ion battery | |
| CN108695553A (en) | A kind of all solid state sodium rechargeable battery electrolyte, preparation method and its application | |
| CN113060769A (en) | Lithium cobaltate positive electrode material, preparation method thereof and lithium battery | |
| CN106159216A (en) | A kind of rich oxidate for lithium material and its production and use | |
| CN116053445A (en) | High-voltage P2 type layered positive electrode material and application thereof in sodium ion battery | |
| CN106252644A (en) | A kind of preparation method of lithium ion battery thulium doped titanic acid lithium anode material | |
| CN110416524A (en) | Polythiophene/silicon/graphite composite material, negative electrode material and preparation method and application | |
| CN112736240B (en) | High-residual-alkali lithium ion multi-element positive electrode material and preparation method thereof | |
| CN115863650A (en) | Core-shell type sodium ion battery positive electrode active material and preparation method and application thereof | |
| CN109860584A (en) | A kind of high energy density lithium ion secondary battery | |
| CN108878876A (en) | Potassium titanyl phosphate negative electrode material for potassium ion secondary cell | |
| CN105591092A (en) | Ni-Co-Mn composite oxide lithium ion battery anode material, preparation method and application thereof | |
| KR101779602B1 (en) | Alloy for anode of zinc air cell and method for preparing the same | |
| CN115064685A (en) | Lithium manganate composite material with long cycle life and preparation method thereof |
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 | ||
| AD01 | Patent right deemed abandoned | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20220830 |