CN106816596A - A kind of preparation method of modified trielement composite material - Google Patents
A kind of preparation method of modified trielement composite material Download PDFInfo
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- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
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- 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
- H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
- H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
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- 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
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
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- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
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Abstract
The invention belongs to lithium ion field of material preparation, specifically a kind of modified trielement composite material and preparation method thereof, the trielement composite material includes ternary material and its clad, and its coating thickness is（0.1~1）μm, its clad is made up of glassy state ceramic material, inorganic lithium compound, conductive agent and its binding agent.Its preparation process is：1）The configuration of compound binding agent；2）Glassy state ceramic size is configured；3）Ternary material coating modification.The present invention, clad can reduce the interface resistance of its ternary material surface, so as to improve structural stability and its cyclical stability；Inorganic lithium compound, to provide the transmission rate that the lithium ion of abundance improves its lithium ion in charge and discharge process, improves its high rate performance in clad simultaneously.
Description
Technical field
The invention belongs to field of lithium ion battery material preparation, specifically a kind of modified trielement composite material and its system
Preparation Method.
Background technology
Lithium ion battery has that operating voltage is high, specific energy is high, has extended cycle life, lightweight, memory-less effect and performance
Price than it is high the advantages of, oneself turns into the main selecting object of the field rechargeable type power supply such as high power electric automobile, Aero-Space.And
Positive electrode is one of lithium ion battery critical material, decides the performance of lithium ion battery.And current limiting lithium ion cell
The maximum bottleneck of energy density, power density, cycle life and security is positive electrode technology.
In current anode material for lithium-ion batteries, cobalt nickel lithium manganate ternary material (NCM), i.e. nickle cobalt lithium manganate ternary
Layered cathode material, its chemical formula is LiNi1-x-yCoxMnyO2, due to tri- kinds of cooperative effects of element of Ni, Co and Mn, with putting
Electric specific capacity is high, energy density is high, cost is relatively low and advantages of environment protection, as world market lithium ion power in recent years
The battery applications field great positive electrode of increment.Ni-based ternary material, or nickelic ternary material (LiNi among these1-x- yCoxMnyO2(1-x-y >=0.5) combines LiCoO2, LiNiO2And LiMnO2Three kinds of advantages of anode material for lithium-ion batteries,
Its performance is better than any of the above one-component positive electrode, there is obvious cooperative effect.In the system, the electrochemistry of material
Energy and physical property are different with the change of these three transition metal ratios.But nickel-cobalt lithium manganate cathode material, especially
It is nickelic tertiary cathode material, there is also defect, due to change of the material surface micro-structural during initial charge, is made
Into ternary material for the battery first charge-discharge efficiency of positive electrode is not high, head effects are generally less than 90%.In cyclic process
Side reaction can occur with the HF in organic bath, cause the dissolving of Ni and Mn, so as to have impact on its electrical property, and limit its material
The development of material, and pass through material coating technology can then improve the structural stability of material, cycle performance and its with electrolyte
Compatibility.And domestic at present is carbon material to ternary material cladding material major part, although in terms of cycle performance, high rate performance
It is improved, but its security performance is relatively low, while the lithium ion transport speed and its structure of its material under the conditions of big multiplying power
Stability is poor, causes its cycle performance deviation.Therefore develop that a kind of specific capacity is high, high rate performance is good and its security performance is high
Trielement composite material turns into current problem demanding prompt solution.
The content of the invention
For the defect that the aspects such as current ternary material poor safety performance and its high rate performance difference are present, the purpose of the present invention
It is to provide a kind of preparation method of the trielement composite material that security performance is high, high rate performance is good by material coating technology.
The technical scheme is that：A kind of preparation method of modified trielement composite material, trielement composite material is by ternary
Material and its glassy state ceramics lithium compound complex composition on surface is coated on, its coating thickness is 0.1~1 μm；With weight
Amount part meter, comprises the following steps：1）Glassy state ceramic size is configured；2）Ternary material coating modification：It is characterized in that：
1）, compound binding agent configuration：By 60~80 parts of Kynoar, 10~20 parts of carboxymethylcellulose calciums, 5~10 parts are gathered
Acrylate, 10~20 parts of Ludox are dissolved in 1000ml organic solvents, are uniformly dispersed and are obtained compound binding agent；
2）, glassy state ceramic size configuration：10~20 parts of compound binding agents are added in the organic solvent of 1000ml, dispersion is equal
50~80 parts of glassy state ceramic materials of addition after even, and after being uniformly dispersed by sand mill, then add 10~20 parts of inorganic lithiumations
Compound, and after continuing that 2h is sanded, is transferred in high speed dispersor, and adds 1~10 part of conductive agent and its 0.5~5 part and add afterwards
Plus agent, and at a high speed be uniformly dispersed after obtain glassy state ceramic size A；
3）, ternary material coating modification：Weigh 300 parts of ternary materials to be added in glassy state ceramic size A, be uniformly mixing to obtain
Uniform solution, spherical trielement composite material is prepared by spray drying technology, is crushed afterwards, is transferred in tube furnace simultaneously
Nitrogen is passed through, 200-300 DEG C is risen to constant temperature 1-4 hours with the programming rate of 1.0~10 DEG C/min, then with 1.0~10 DEG C/min
Programming rate rise to 500-800 DEG C of constant temperature 2-6h again, be cooled to room temperature, obtain trielement composite material.
The step 1）In organic solvent be tetrahydrofuran, carbon tetrachloride, 1-METHYLPYRROLIDONE, toluene, curing
One kind in carbon, n-butanol, cyclohexanol, ether, petroleum ether.
The step 1）Glassy state ceramic material is by 30~60 parts of Li2O, 5~20 parts of TiO2, 10~20 parts of P2O5、
5~20 parts of Al2O3, 5~20 parts of Cr2O3And its 1~5 part of SiO2Composition.
The step 1）In inorganic lithium compound be lithium carbonate, lithium hydroxide, lithium metaaluminate, Zirconium acid lithium, in lithium vanadate one
Kind.
The step 1）Additive is triethyl phosphate, tributyl phosphate, trioctyl phosphate, triphenyl phosphate, di(2-ethylhexyl)phosphate
One kind in toluene ester, xylyl diphenyl phosphate.
The step 1）Ternary material be LiNiXCoYMn1-X-yO2(x≥0.3,y≤0.3)。
Beneficial effects of the present invention：1 has chemical stability and crystalline stability higher using glassy state clad, i.e.,
Under the high temperature conditions, clad has stability higher, improves its security performance；Simultaneously doped with lithium ion chemical combination in material
Thing, improve the lithium ion in its charge and discharge process and pass to speed and its electron conduction, and with being improved to stability of material
Additive；2 use compound binding agent, on the one hand can improve the adhesive property and its stability of vitreous material, and compound
Binding agent has the low advantage of expansion rate, so as to improve the expansion of material in its charge and discharge process and its improve its processing technology.
Figure of description
Fig. 1 is the SEM pictures of the material that embodiment 1 is prepared.
Specific embodiment
A kind of preparation method of modified trielement composite material, trielement composite material is by ternary material and its is coated on surface
Glassy state ceramics lithium compound complex composition, its coating thickness is 0.1~1 μm.
Embodiment 1：
The preparation method of modified trielement composite material, comprises the following steps：
1st, the configuration of compound binding agent：By the Kynoar of 70g, 15g carboxymethylcellulose calciums, 5g polyacrylate, 10g silicon is molten
Peptization is uniformly dispersed and obtains compound binding agent in 1000ml 1-METHYLPYRROLIDONEs.
2nd, glassy state ceramic size configuration：
60g glassy state ceramic materials will be added in the compound binding agent of above-mentioned 15% weight portion（60%Li2O, 10% TiO2、15%
P2O5, 10% Al2O3, 10% Cr2O3And its 5% SiO2）, and after being uniformly dispersed by sand mill, then add 15g meta-aluminic acids
Lithium, and after continuing that 2h is sanded, be transferred in high speed dispersor afterwards, and add 5g CNTs and its 2g triethyl phosphates, and
Glassy state ceramic size A is obtained after being uniformly dispersed at a high speed；
3rd, ternary material coating modification：
Weigh 300gLiNi0.6Co0.2Mn0.2O2Ternary material is added in glassy state ceramic size A, is uniformly mixing to obtain homogeneous
Solution, prepares spherical trielement composite material by spray drying technology afterwards, is crushed afterwards, and be transferred in tube furnace
And it is passed through nitrogen, and 250 DEG C of constant temperature is risen to 2 hours with the programming rate of 5 DEG C/min, then risen to the programming rate of 5 DEG C/min
600 DEG C of constant temperature 4h, are cooled to room temperature, obtain trielement composite material.
Embodiment 2：
1st, the configuration of compound binding agent：By the Kynoar of 60g, 10g carboxymethylcellulose calciums, 10g polyacrylate, 20g silicon
Colloidal sol is dissolved in 1000ml tetrahydrofurans, is uniformly dispersed and is obtained compound binding agent.
2nd, glassy state ceramic size configuration：50g glassy states ceramics material will be added in the compound binding agent of above-mentioned 10% weight portion
Material（50%Li2O, 10% TiO2、10%P2O5, 5% Al2O3, 20% Cr2O3And its 5% SiO2）, and disperseed by sand mill
After uniform, then add 15g Zirconium and calculate lithium, and after continuing that 2h is sanded, be transferred in high speed dispersor, and add 1g CNTs and its
1g tributyl phosphates, obtain glassy state ceramic size A after being uniformly dispersed at a high speed；
3rd, ternary material coating modification：Weigh 300gLiNi0.6Co0.2Mn0.2O2Ternary material is added to glassy state ceramic size A
In, uniform solution is uniformly mixing to obtain, spherical trielement composite material is prepared by spray drying technology afterwards, powder is carried out afterwards
It is broken, and be transferred in tube furnace and be passed through nitrogen, and 200 DEG C of constant temperature is risen to 3 hours with the programming rate of 1 DEG C/min, then with 1
DEG C/programming rate of min rises to 500 DEG C of constant temperature 6h, is cooled to room temperature, obtains trielement composite material.
Embodiment 3：
1st, the configuration of compound binding agent：By the Kynoar of 75g, 10g carboxymethylcellulose calciums, 5g polyacrylate, 10g silicon is molten
Peptization is uniformly dispersed and obtains compound binding agent in 1000ml carbon tetrachloride.
2nd, glassy state ceramic size configuration：80g glassy states ceramics material will be added in the compound binding agent of above-mentioned 20% weight portion
Material（30%Li2O, 20% TiO2、20%P2O5, 10% Al2O3, 15% Cr2O3And its 5% SiO2）, and disperseed by sand mill
After uniform, then 20g lithium carbonates are added, and after continuing that 2h is sanded, be transferred in high speed dispersor afterwards, and add 10g carbon nanometer
Pipe and its 5g triphenyl phosphates, and at a high speed be uniformly dispersed after obtain glassy state ceramic size A；
3rd, ternary material coating modification：Weigh 300gLiNi0.6Co0.2Mn0.2O2Ternary material is added to glassy state ceramic size A
In, uniform solution is uniformly mixing to obtain, spherical trielement composite material is prepared by spray drying technology afterwards, powder is carried out afterwards
It is broken, and be transferred in tube furnace and be passed through nitrogen, and 300 DEG C of constant temperature is risen to 1 hour with the programming rate of 10 DEG C/min, then with 10
DEG C/programming rate of min rises to 800 DEG C of constant temperature 1h, is cooled to room temperature, obtains trielement composite material.
Comparative example：With LiNi in embodiment0.6Co0.2Mn0.2O2Ternary material material as a comparison；Producer：Shenzhen proud son of heaven section
Skill Co., Ltd, model：PLB-H5.
1) SEM tests：
The trielement composite material prepared by can be seen that embodiment 1 in Fig. 1 is presented spherical, and particle diameter exists（5-20）Between μm,
Size distribution is uniform.
2）Electrochemical property test：
2.1 button cells are tested.
Button cell is dressed up as follows to the trielement composite material that embodiment 1-3 and comparative example are prepared and is surveyed
Examination：
1）In adding 220mLN- methyl pyrrolidones in 95g positive electrodes, 1g Kynoar, 4g conductive agents SP, stirring is equal
It is even to prepare anode sizing agent, it is coated on Copper Foil, to dry, roll pressing obtains anode pole piece.
Electrolyte uses LiPF6It is electrolyte, concentration is 1.3mol/L, and volume ratio is 1:1 EC and DEC is solvent, gold
Used as to electrode, barrier film uses polyethylene (PE), polypropylene (PP) or poly- second propylene (PEP) composite membrane, is being flushed with hydrogen gas category lithium piece
Glove box according to existing method assembling button cell A1, A2, A3 and B1.
2）Above-mentioned button cell is tested on new prestige 5V/10mA type cell testers, charging/discharging voltage scope 3-4.3V,
Charge-discharge magnification 0.1C, test result is as shown in table 1.
The button cell test result of table 1
| The electric battery of button | A1 | A2 | A3 | B1 |
| Discharge capacity first（mAh/g） | 163.9 | 162.1 | 160.3 | 152.1 |
| Efficiency first（%） | 94.1 | 94.0 | 93.8 | 92.1 |
As can be seen from Table 1, embodiment prepares the gram volume of trielement composite material and its efficiency is better than comparative example first, and it is former
Because inorganic lithium compound has lithium ion conducting rate characteristic high in clad, be provide in charge and discharge process the lithium of abundance from
Son, so as to improve the performance of its ternary material gram volume.
2.2 soft-package batteries are tested
1）High rate performance
The material prepared using embodiment 1~3 and comparative example is used as positive electrode.With Delanium as negative pole, with LiPF6It is (molten
Agent is EC+DEC, volume ratio 1：1, concentration 1.3mol/L) it is electrolyte, celegard2400 prepares 5Ah Soft Rolls electricity for barrier film
Pond C1, C2, C3 and D.Charged with 0.1C multiplying powers afterwards, blanking voltage 4.2V is discharged with 0.3C afterwards, electric discharge cuts
Only voltage 3.0V, finally prepares soft-package battery.
The high rate performance of its ternary soft-package battery, charging/discharging voltage 3.0~4.2V of scope, temperature 25 ± 3.0 are tested afterwards
DEG C, charged with 0.5C, 1.0C, 5.0C, 10.0C, 20.C, discharged with 0.5C.
Table 2, embodiment compares with the multiplying power of comparative example
As shown in Table 3, in embodiment 1 ~ 3 the multiplying power charging performance of soft-package battery to be substantially better than comparative example, i.e. charging interval shorter,
Analyzing reason is：The migration of lithium ion is needed in battery charging process, and the lithium ion that organo-lithium compound contains abundance can
To provide sufficient lithium ion, so as to shorten the charging interval, the multiplying power charging performance of battery is improved.
2）Security performance is tested
Battery temperature is tested, and method of testing is：The temperature of battery under temperature sensor, and real time record is connected inside battery battery core
Degree, had both obtained the temperature of battery in security testing process.
Acupuncture short-circuit test：Lithium ion battery prepared by Example 1~3 and comparative example, method of testing：See that UL2054 pacifies
Full standard testing standard, as a result see the table below 3.
The embodiment of table 3 and comparative example prepare performance of lithium ion battery and compare
| Project | Temperature（℃） | Safety loading coefficient |
| Embodiment 1 | 112.2 | 9/10 |
| Embodiment 2 | 118.9 | 8/10 |
| Embodiment 3 | 121.3 | 8/10 |
| Comparative example | 134.5 | 4/10 |
As can be seen from Table 3, substantially due to comparative example, its reason is to be externally coated with ternary material to the security performance of embodiment
Glass-ceramic layer, it has the advantages that heat dispersion is high, reduces the thermal runaway Probability of its lithium ion battery, and reduces acupuncture
During inside battery temperature, improve its security performance.
Claims (6)
1. a kind of preparation method of modified trielement composite material, trielement composite material is by ternary material and its is coated on the glass on surface
Glass state ceramics lithium compound complex composition, its coating thickness is 0.1~1 μm；In parts by weight, comprise the following steps：1）
The configuration of compound binding agent；2）Glassy state ceramic size is configured；3）Ternary material coating modification：It is characterized in that：
1）, compound binding agent configuration：By 60~80 parts of Kynoar, 10~20 parts of carboxymethylcellulose calciums, 5~10 parts are gathered
Acrylate, 10~20 parts of Ludox are dissolved in 1000ml organic solvents, are uniformly dispersed and are obtained compound binding agent；
2）, glassy state ceramic size configuration：10~20 parts of compound binding agents are added in the organic solvent of 1000ml, dispersion is equal
50~80 parts of glassy state ceramic materials of addition after even, and after being uniformly dispersed by sand mill, then add 10~20 parts of inorganic lithiumations
Compound, and after continuing that 2h is sanded, is transferred in high speed dispersor, and adds 1~10 part of conductive agent and its 0.5~5 part and add afterwards
Plus agent, and at a high speed be uniformly dispersed after obtain glassy state ceramic size A；
3）, ternary material coating modification：Weigh 300 parts of ternary materials to be added in glassy state ceramic size A, be uniformly mixing to obtain
Uniform solution, spherical trielement composite material is prepared by spray drying technology, is crushed afterwards, is transferred in tube furnace simultaneously
Nitrogen is passed through, 200-300 DEG C is risen to constant temperature 1-4 hours with the programming rate of 1.0~10 DEG C/min, then with 1.0~10 DEG C/min
Programming rate rise to 500-800 DEG C of constant temperature 2-6h again, be cooled to room temperature, obtain trielement composite material.
2. the preparation method of a kind of modified trielement composite material according to claim 1, it is characterised in that：The step 1）
In organic solvent be tetrahydrofuran, carbon tetrachloride, 1-METHYLPYRROLIDONE, toluene, carbon disulfide, n-butanol, cyclohexanol, second
One kind in ether, petroleum ether.
3. the preparation method of a kind of modified trielement composite material according to claim 1, it is characterised in that：The step 1）
Glassy state ceramic material is by 30~60 parts of Li2O, 5~20 parts of TiO2, 10~20 parts of P2O5, 5~20 parts of Al2O3, 5~
20 parts of Cr2O3And its 1~5 part of SiO2Composition.
4. the preparation method of a kind of modified trielement composite material according to claim 1, it is characterised in that：The step 1）
In inorganic lithium compound be lithium carbonate, lithium hydroxide, lithium metaaluminate, Zirconium acid lithium, the one kind in lithium vanadate.
5. the preparation method of a kind of modified trielement composite material according to claim 1, it is characterised in that：The step 1）
Additive is triethyl phosphate, tributyl phosphate, trioctyl phosphate, triphenyl phosphate, xylenylphosphate, phosphoric acid dimethylbenzene two
One kind in phenyl ester.
6. the preparation method of a kind of modified trielement composite material according to claim 1, it is characterised in that：The step 1）
Ternary material be LiNiXCoYMn1-X-yO2(x≥0.3,y≤0.3)。
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336306A (en) * | 2017-12-28 | 2018-07-27 | 合肥国轩高科动力能源有限公司 | Preparation method of composite ceramic electrode |
| CN108615861A (en) * | 2018-03-29 | 2018-10-02 | 深圳市德方纳米科技股份有限公司 | Modified anode material for lithium-ion batteries, preparation method and the lithium ion battery comprising it |
| CN109378467A (en) * | 2018-12-11 | 2019-02-22 | 广东永邦新能源股份有限公司 | A kind of lithium ion anode material and preparation method thereof with clad structure |
| WO2019080237A1 (en) * | 2017-10-24 | 2019-05-02 | 中航锂电（洛阳）有限公司 | High safety coated high nickel ternary positive electrode material, positive electrode, and lithium ion battery |
| CN110890542A (en) * | 2020-01-14 | 2020-03-17 | 桑顿新能源科技(长沙)有限公司 | Lithium ion battery anode material and preparation method thereof, lithium ion battery anode, lithium ion battery and power utilization equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101359733A (en) * | 2007-07-31 | 2009-02-04 | 比亚迪股份有限公司 | Method for coating positive pole active substance of lithium ionic secondary battery |
| CN102867949A (en) * | 2011-07-04 | 2013-01-09 | 微宏新材料(湖州)有限公司 | Anode material of lithium-ion secondary battery and preparation method of anode material |
| EP2741351A2 (en) * | 2012-12-05 | 2014-06-11 | Samsung SDI Co., Ltd. | Rechargeable lithium battery |
| CN104332618A (en) * | 2014-09-19 | 2015-02-04 | 青岛乾运高科新材料股份有限公司 | Nickel-cobalt-lithium manganese positive electrode material with boron-lithium composite oxide clad on surface, and preparation method thereof |
-
2017
- 2017-03-24 CN CN201710181781.2A patent/CN106816596A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101359733A (en) * | 2007-07-31 | 2009-02-04 | 比亚迪股份有限公司 | Method for coating positive pole active substance of lithium ionic secondary battery |
| CN102867949A (en) * | 2011-07-04 | 2013-01-09 | 微宏新材料(湖州)有限公司 | Anode material of lithium-ion secondary battery and preparation method of anode material |
| EP2741351A2 (en) * | 2012-12-05 | 2014-06-11 | Samsung SDI Co., Ltd. | Rechargeable lithium battery |
| CN104332618A (en) * | 2014-09-19 | 2015-02-04 | 青岛乾运高科新材料股份有限公司 | Nickel-cobalt-lithium manganese positive electrode material with boron-lithium composite oxide clad on surface, and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019080237A1 (en) * | 2017-10-24 | 2019-05-02 | 中航锂电（洛阳）有限公司 | High safety coated high nickel ternary positive electrode material, positive electrode, and lithium ion battery |
| CN108336306A (en) * | 2017-12-28 | 2018-07-27 | 合肥国轩高科动力能源有限公司 | Preparation method of composite ceramic electrode |
| CN108615861A (en) * | 2018-03-29 | 2018-10-02 | 深圳市德方纳米科技股份有限公司 | Modified anode material for lithium-ion batteries, preparation method and the lithium ion battery comprising it |
| CN109378467A (en) * | 2018-12-11 | 2019-02-22 | 广东永邦新能源股份有限公司 | A kind of lithium ion anode material and preparation method thereof with clad structure |
| CN110890542A (en) * | 2020-01-14 | 2020-03-17 | 桑顿新能源科技(长沙)有限公司 | Lithium ion battery anode material and preparation method thereof, lithium ion battery anode, lithium ion battery and power utilization equipment |
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