CN105552351A - Nano-particle-assembled spherical SnO2 sodium-ion battery cathode material and preparation method thereof - Google Patents
Nano-particle-assembled spherical SnO2 sodium-ion battery cathode material and preparation method thereof Download PDFInfo
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- CN105552351A CN105552351A CN201610049651.9A CN201610049651A CN105552351A CN 105552351 A CN105552351 A CN 105552351A CN 201610049651 A CN201610049651 A CN 201610049651A CN 105552351 A CN105552351 A CN 105552351A
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- ion battery
- lithium
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- anode material
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- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 title abstract description 10
- 229910001415 sodium ion Inorganic materials 0.000 title abstract description 10
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 title abstract 8
- 239000010406 cathode material Substances 0.000 title abstract 4
- 239000008367 deionised water Substances 0.000 claims abstract description 17
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 13
- 238000005406 washing Methods 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 238000007710 freezing Methods 0.000 claims abstract description 6
- 230000008014 freezing Effects 0.000 claims abstract description 6
- 239000012456 homogeneous solution Substances 0.000 claims abstract description 6
- 229910001416 lithium ion Inorganic materials 0.000 claims description 35
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 34
- 229910006404 SnO 2 Inorganic materials 0.000 claims description 33
- 239000010405 anode material Substances 0.000 claims description 32
- 239000002105 nanoparticle Substances 0.000 claims description 29
- 230000004044 response Effects 0.000 claims description 10
- CEYULKASIQJZGP-UHFFFAOYSA-L disodium;2-(carboxymethyl)-2-hydroxybutanedioate Chemical compound [Na+].[Na+].[O-]C(=O)CC(O)(C(=O)O)CC([O-])=O CEYULKASIQJZGP-UHFFFAOYSA-L 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 230000035484 reaction time Effects 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000001291 vacuum drying Methods 0.000 claims description 5
- 238000004108 freeze drying Methods 0.000 claims description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 239000002243 precursor Substances 0.000 abstract 3
- 230000001351 cycling effect Effects 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000003760 magnetic stirring Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000001509 sodium citrate Substances 0.000 abstract 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 230000002441 reversible effect Effects 0.000 description 4
- 238000013019 agitation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
-
- 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
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a nano-particle-assembled spherical SnO2 sodium-ion battery cathode material and a preparation method thereof. The method comprises the following steps of (1) dissolving SnC14.5H2O into deionized water to prepare solution A; adding PVP into the solution A and adding sodium citrate into the equivalent deionized water to prepare solution B; (2) slowly adding the solution B into the solution A to form homogeneous solution C under the action of continuous magnetic stirring and dropwise adding NaOH solution E into the solution C to form solution D; (3) carrying out homogeneous phase hydrothermal reaction; and (4) after the reaction is complete, taking a precursor out, washing to obtain a white precursor, and freezing and drying the precursor to obtain the nano-particle-assembled spherical SnO2 sodium-ion battery cathode material. The preparation method has the characteristics of low cost, easy operation and short preparation period; the first discharge capacity of the nano-particle-assembled spherical SnO2 sodium-ion battery cathode material is up to 409 mAh/g under the current density of 100 mA/g, and after circulation for 70 times, the capacity is kept at 225.8 mA/g-1, and the cycling stability is better.
Description
Technical field
The present invention relates to sodium-ion battery technical field, particularly a kind of anode material of lithium-ion battery and preparation method thereof.
Background technology
Sodium-ion battery is a kind of model electrochemical power supply; have that raw material resources is abundant, cost is lower, specific capacity and efficiency comparatively advantages of higher; comparatively meet the requirement of scale stored energy application; in the extensive regenerative resource grid integration ability of lifting, raising electric energy service efficiency and the quality of power supply, there is application potential; simultaneously due to significant advantages such as its specific capacity are high, quality is light, the life-span is long and without memory, also have a wide range of applications in fields such as Aero-Space, hybrid-electric car and portable electric appts.In this context, sodium-ion battery causes the extensive concern in worldwide in recent years, and critical material and relation technological researching progress are rapidly.But lithium ion relatively, sodium ion has larger ionic radius (0.102nmvs.0.076nmofLi), and this makes to find suitable embedding sodium material tool and acquires a certain degree of difficulty.
Summary of the invention
A kind of nano particle is the object of the present invention is to provide to assemble spherical SnO
2anode material of lithium-ion battery and preparation method thereof, its preparation cost is low, simple to operate, manufacturing cycle is short, and the particle of acquisition assembles spherical SnO
2anode material of lithium-ion battery excellent performance.
To achieve these goals, the present invention adopts following technical scheme:
A kind of nano particle assembles spherical SnO
2the preparation method of anode material of lithium-ion battery, comprises the following steps:
1) by SnCl
45H
2o is dissolved in deionized water, is mixed with solution A; SnCl in mass ratio
45H
2o:PVP: natrium citricum=1:(0.4 ~ 1.5): PVP adds in solution A by (0.4 ~ 1.5), is added by natrium citricum in aliquots of deionized water, is mixed with solution B;
2) B solution is slowly added solution A under continuing magnetic force stirring action and form homogeneous solution C, in solution C, dropwise add N
aoH solution E, forms solution D; The volume of solution C and the volume ratio of solution E are 5:1 ~ 2:4;
3) after question response terminates, solution D is put into hydrothermal reaction kettle and seals, carry out homogeneous phase hydro-thermal reaction;
4) after question response terminates, take out presoma, washing obtains white presoma, and freeze drying presoma obtains nano particle and assembles spherical SnO
2anode material of lithium-ion battery.
Further, in solution A, the concentration of Sn is 0.5 ~ 1.2mol/L.
Further, N
athe solubility of OH solution E is 0.3 ~ 1.2mol/L.
Further, the condition of homogeneous phase hydro-thermal reaction is: reaction temperature controls at 100 ~ 220 DEG C, and the reaction time controls at 8 ~ 48h.
Further, described washing is specially and distinguishes centrifuge washing 2 ~ 3 times through deionized water and absolute ethyl alcohol.
Further, described freeze drying is specially prepared presoma at the subzero 50-60 of the refrigerating chamber of freeze drier DEG C freezing 4-5h, then dry 10-12h under vacuum drying cabinet room temperature.
A kind of nano particle assembles spherical SnO
2nano particle prepared by the preparation method of anode material of lithium-ion battery assembles spherical SnO
2anode material of lithium-ion battery.
Relative to prior art, the present invention has following beneficial effect:
A kind of nano particle of the present invention assembles spherical SnO
2the preparation method of anode material of lithium-ion battery, have the advantages that preparation cost is low, simple to operate, manufacturing cycle is short, prepared particle assembles spherical SnO
2anode material of lithium-ion battery particle size only has a few to tens of nanometers, assembling ball size is about 300 ~ 400nm, purity is high, crystallinity is strong, pattern is even, be applied to sodium-ion battery negative pole, under the current density of 100mA/g, its first discharge capacity can reach 409mAh/g, circulate after 70 times, capacity can remain on 225.8mAhg
-1, there is good cyclical stability.
Accompanying drawing explanation
Fig. 1 is that the nano particle prepared by the embodiment of the present invention 1 assembles spherical SnO
2the SEM figure of anode material of lithium-ion battery.
Fig. 2 is that the nano particle prepared by the embodiment of the present invention 1 assembles spherical SnO
2anode material of lithium-ion battery chemical property figure.
Embodiment
Embodiment 1
A kind of nano particle assembles spherical SnO
2the preparation method of anode material of lithium-ion battery, comprises the following steps:
1) by SnCl
45H
2o is dissolved in deionized water, is mixed with the solution A that concentration is 0.5mol/L; M in mass ratio
snCl45H2O: m
pVP: m
na3C6H5O7plasdone (PVP) adds in solution A, by natrium citricum (Na by=1:0.4:0.4
3c
6h
5o
7) add in aliquots of deionized water, be mixed with solution B;
2) B solution is slowly added solution A under continuing magnetic force stirring action and form homogeneous solution C, in solution C, dropwise add 0.3mol/LN
aoH solution E, forms solution D, rear Keep agitation 0.5h; The volume of solution C and the volume ratio of solution E are 5:1;
3) after question response terminates, solution D is put into hydrothermal reaction kettle and seals, put into homogeneous phase hydro-thermal reaction instrument, reaction temperature controls at 100 DEG C, and the reaction time controls at 8h;
4) after question response terminates, take out presoma, distinguish centrifuge washing 2 times through deionized water and absolute ethyl alcohol, obtain white presoma, by institute's presoma at the subzero 50 DEG C of freezing 5h of the refrigerating chamber of freeze drier, then under vacuum drying cabinet room temperature, dry 10h obtains nano particle and assembles spherical SnO
2anode material of lithium-ion battery.
Fig. 1 is that the nano particle prepared by the embodiment of the present invention 1 assembles spherical SnO
2the SEM figure of anode material of lithium-ion battery.As can be seen from the figure the surface of sample be by nano particle assemble spherical, nanoparticle size is approximately tens nanometers, assembling ball particle diameter be about 300 ~ 400nm.Fig. 2 is that the nano particle prepared by the embodiment of the present invention 1 assembles spherical SnO
2anode material of lithium-ion battery chemical property figure.As can be seen from the figure prepared particle assembles spherical SnO
2anode material of lithium-ion battery under the current density at 100mA/g, its first discharge capacity can reach 409mAh/g, circulate after 70 times, capacity can remain on 225.8mAhg
-1, there is good cyclical stability.
Embodiment 2
A kind of nano particle assembles spherical SnO
2the preparation method of anode material of lithium-ion battery, comprises the following steps:
1) by SnCl
45H
2o is dissolved in deionized water, is mixed with the solution A that concentration is 0.5mol/L; M in mass ratio
snCl45H2O: m
pVP: m
na3C6H5O7plasdone (PVP) adds in solution A, by natrium citricum (Na by=1:0.8:1.5
3c
6h
5o
7) add in aliquots of deionized water, be mixed with solution B;
2) B solution is slowly added solution A under continuing magnetic force stirring action and form homogeneous solution C, in solution C, dropwise add 1.2mol/LN
aoH solution E, forms solution D, rear Keep agitation 1h; The volume of solution C and the volume ratio of solution E are 3:3;
3) after question response terminates, solution D is put into hydrothermal reaction kettle and seals, put into homogeneous phase hydro-thermal reaction instrument, reaction temperature controls at 180 DEG C, and the reaction time controls at 24h;
4) after question response terminates, take out presoma, distinguish centrifuge washing 2 times through deionized water and absolute ethyl alcohol, obtain white presoma, by institute's presoma at the subzero 60 DEG C of freezing 5h of the refrigerating chamber of freeze drier, then under vacuum drying cabinet room temperature, dry 11h obtains nano particle and assembles spherical SnO
2anode material of lithium-ion battery.
Embodiment 3
A kind of nano particle assembles spherical SnO
2the preparation method of anode material of lithium-ion battery, comprises the following steps:
1) by SnCl
45H
2o is dissolved in deionized water, is mixed with the solution A that concentration is 1.2mol/L; M in mass ratio
snCl45H2O: m
pVP: m
na3C6H5O7plasdone (PVP) adds in solution A, by natrium citricum (Na by=1:1.5:1.5
3c
6h
5o
7) add in aliquots of deionized water, be mixed with solution B;
2) B solution is slowly added solution A under continuing magnetic force stirring action and form homogeneous solution C, in solution C, dropwise add 0.9mol/LN
aoH solution E, forms solution D, rear Keep agitation 2h; The volume of solution C and the volume ratio of solution E are 2:4;
3) after question response terminates, solution D is put into hydrothermal reaction kettle and seals, put into homogeneous phase hydro-thermal reaction instrument, reaction temperature controls at 220 DEG C, and the reaction time controls at 48h;
4) after question response terminates, take out presoma, distinguish centrifuge washing 3 times through deionized water and absolute ethyl alcohol, obtain white presoma, by institute's presoma at the subzero 60 DEG C of freezing 4h of the refrigerating chamber of freeze drier, then under vacuum drying cabinet room temperature, dry 12h obtains nano particle and assembles spherical SnO
2anode material of lithium-ion battery.
SnO
2crystal has tetragonal crystal system and rhombic system two kinds, and wherein orthorhombic phase is unstable, only occurs under high-temperature and high-pressure conditions, therefore synthesizes the SnO obtained under normal circumstances
2crystal belongs to the rutile-type of tetragonal crystal system, cell parameter a=0.4738nm, c=0.3187nm.Research in recent years shows SnO
2nano material all has stronger application prospect in photocatalysis, gas sensor, transistor, Li-Ion rechargeable battery and solar cell etc., is considered to one of semiconductor nano material having application prospect most.SnO
2the electrode material of base has large (the theoretical reversible capacity 781mAhg of embedding lithium capacity
-1), good cycle, the doubly forthright advantage such as good, its theoretical reversible capacity is high, and its actual reversible capacity is also much larger than the theoretical reversible capacity of various lithium battery carbon negative pole materials commercial in the market.
Because granule-morphology also may affect to the chemical property of sample, particle is less, specific area is larger, then the contact of material and electrolyte is better, Na
+migration distance also can shorten, be so more conducive to the lifting of anode material of lithium-ion battery high rate performance.
A kind of nano particle of the present invention assembles spherical SnO
2the preparation method of anode material of lithium-ion battery, have the advantages that preparation cost is low, simple to operate, manufacturing cycle is short, prepared particle assembles spherical SnO
2anode material of lithium-ion battery particle size only has a few to tens of nanometers, assembling ball size is about 300 ~ 400nm, purity is high, crystallinity is strong, pattern is even, be applied to sodium-ion battery negative pole, under the current density of 100mA/g, its first discharge capacity can reach 409mAh/g, circulate after 70 times, capacity can remain on 225.8mAhg
-1, there is good cyclical stability.
Claims (7)
1. a nano particle assembles spherical SnO
2the preparation method of anode material of lithium-ion battery, is characterized in that, comprises the following steps:
1) by SnCl
45H
2o is dissolved in deionized water, is mixed with solution A; SnCl in mass ratio
45H
2o:PVP: natrium citricum=1:(0.4 ~ 1.5): PVP adds in solution A by (0.4 ~ 1.5), is added by natrium citricum in aliquots of deionized water, is mixed with solution B;
2) B solution is slowly added solution A under continuing magnetic force stirring action and form homogeneous solution C, in solution C, dropwise add N
aoH solution E, forms solution D; The volume of solution C and the volume ratio of solution E are 5:1 ~ 2:4;
3) after question response terminates, solution D is put into hydrothermal reaction kettle and seals, carry out homogeneous phase hydro-thermal reaction;
4) after question response terminates, take out presoma, washing obtains white presoma, and freeze drying presoma obtains nano particle and assembles spherical SnO
2anode material of lithium-ion battery.
2. a kind of nano particle according to claim 1 assembles spherical SnO
2the preparation method of anode material of lithium-ion battery, is characterized in that, in solution A, the concentration of Sn is 0.5 ~ 1.2mol/L.
3. a kind of nano particle according to claim 1 assembles spherical SnO
2the preparation method of anode material of lithium-ion battery, is characterized in that, N
athe solubility of OH solution E is 0.3 ~ 1.2mol/L.
4. a kind of nano particle according to claim 1 assembles spherical SnO
2the preparation method of anode material of lithium-ion battery, is characterized in that, the condition of homogeneous phase hydro-thermal reaction is: reaction temperature controls at 100 ~ 220 DEG C, and the reaction time controls at 8 ~ 48h.
5. a kind of nano particle according to claim 1 assembles spherical SnO
2the preparation method of anode material of lithium-ion battery, is characterized in that, described washing is specially distinguishes centrifuge washing 2 ~ 3 times through deionized water and absolute ethyl alcohol.
6. a kind of nano particle according to claim 1 assembles spherical SnO
2the preparation method of anode material of lithium-ion battery, is characterized in that, described freeze drying is specially prepared presoma at the subzero 50-60 of the refrigerating chamber of freeze drier DEG C freezing 4-5h, then dry 10-12h under vacuum drying cabinet room temperature.
7. a kind of nano particle according to any one of claim 1 to 6 assembles spherical SnO
2nano particle prepared by the preparation method of anode material of lithium-ion battery assembles spherical SnO
2anode material of lithium-ion battery.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610049651.9A CN105552351B (en) | 2016-01-25 | 2016-01-25 | A kind of spherical SnO of nano particle assembling2Anode material of lithium-ion battery and preparation method thereof |
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| CN105552351B CN105552351B (en) | 2018-09-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105895890A (en) * | 2016-06-06 | 2016-08-24 | 西北工业大学 | Application of Sn3O4 solar catalyst in negative electrode material of lithium ion battery |
| CN108550842A (en) * | 2018-05-18 | 2018-09-18 | 天津师范大学 | A kind of high specific surface area porous shape stannic oxide anode material of lithium-ion battery of two dimension and preparation method thereof |
| CN109167019A (en) * | 2018-09-03 | 2019-01-08 | 大同新成新材料股份有限公司 | A kind of cell negative electrode material and preparation method thereof and preparation facilities |
| CN109378458A (en) * | 2018-10-22 | 2019-02-22 | 东北大学 | It is a kind of to utilize the clay standby anode material of lithium-ion battery ZnS/C-SnO of tin2Method |
| CN113036113A (en) * | 2021-03-11 | 2021-06-25 | 东北大学 | Doped BaSO4Sodium ion battery cathode material and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105895890A (en) * | 2016-06-06 | 2016-08-24 | 西北工业大学 | Application of Sn3O4 solar catalyst in negative electrode material of lithium ion battery |
| CN108550842A (en) * | 2018-05-18 | 2018-09-18 | 天津师范大学 | A kind of high specific surface area porous shape stannic oxide anode material of lithium-ion battery of two dimension and preparation method thereof |
| CN109167019A (en) * | 2018-09-03 | 2019-01-08 | 大同新成新材料股份有限公司 | A kind of cell negative electrode material and preparation method thereof and preparation facilities |
| CN109378458A (en) * | 2018-10-22 | 2019-02-22 | 东北大学 | It is a kind of to utilize the clay standby anode material of lithium-ion battery ZnS/C-SnO of tin2Method |
| CN109378458B (en) * | 2018-10-22 | 2021-09-28 | 东北大学 | Preparation of sodium ion battery negative electrode material ZnS/C-SnO by using tin mud2Method (2) |
| CN113036113A (en) * | 2021-03-11 | 2021-06-25 | 东北大学 | Doped BaSO4Sodium ion battery cathode material and preparation method thereof |
| CN113036113B (en) * | 2021-03-11 | 2022-06-03 | 东北大学 | Doped BaSO4Sodium ion battery cathode material and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN105552351B (en) | 2018-09-25 |
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