CN101609887B - Preparation method of SnS2 nanoplate anode material of a lithium-ion battery - Google Patents
Preparation method of SnS2 nanoplate anode material of a lithium-ion battery Download PDFInfo
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- CN101609887B CN101609887B CN2009101008669A CN200910100866A CN101609887B CN 101609887 B CN101609887 B CN 101609887B CN 2009101008669 A CN2009101008669 A CN 2009101008669A CN 200910100866 A CN200910100866 A CN 200910100866A CN 101609887 B CN101609887 B CN 101609887B
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000002055 nanoplate Substances 0.000 title abstract description 5
- 239000010405 anode material Substances 0.000 title abstract 4
- XUJNEKJLAYXESH-REOHCLBHSA-N L-Cysteine Chemical compound SC[C@H](N)C(O)=O XUJNEKJLAYXESH-REOHCLBHSA-N 0.000 claims abstract description 46
- 239000004201 L-cysteine Substances 0.000 claims abstract description 23
- 235000013878 L-cysteine Nutrition 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000008367 deionised water Substances 0.000 claims abstract description 15
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000011259 mixed solution Substances 0.000 claims abstract description 13
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 239000000243 solution Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 47
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 9
- 235000014121 butter Nutrition 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 7
- 238000005119 centrifugation Methods 0.000 claims description 7
- 239000013049 sediment Substances 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- -1 polytetrafluoroethylene Polymers 0.000 abstract description 2
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 abstract 3
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 abstract 3
- 239000002244 precipitate Substances 0.000 abstract 2
- 238000004140 cleaning Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000001027 hydrothermal synthesis Methods 0.000 abstract 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract 1
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 229910052744 lithium Inorganic materials 0.000 description 23
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 22
- 230000005518 electrochemistry Effects 0.000 description 19
- 238000012360 testing method Methods 0.000 description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 13
- 229910002804 graphite Inorganic materials 0.000 description 10
- 239000010439 graphite Substances 0.000 description 10
- 229910052718 tin Inorganic materials 0.000 description 8
- 230000002441 reversible effect Effects 0.000 description 7
- 238000002441 X-ray diffraction Methods 0.000 description 6
- 239000002135 nanosheet Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 125000000524 functional group Chemical group 0.000 description 4
- 239000007770 graphite material Substances 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 3
- 239000007772 electrode material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000006230 acetylene black Substances 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- 238000005411 Van der Waals force Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 239000002073 nanorod Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- YUKQRDCYNOVPGJ-UHFFFAOYSA-N thioacetamide Chemical compound CC(N)=S YUKQRDCYNOVPGJ-UHFFFAOYSA-N 0.000 description 1
- DLFVBJFMPXGRIB-UHFFFAOYSA-N thioacetamide Natural products CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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- 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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Abstract
The invention discloses a preparation method of SnS2 nanoplate anode material of a lithium-ion battery, comprising the following steps: dissolving L-cysteine in deionized water, then adding stannic chloride and fully stirring the solution to dissolve the stannic chloride; transferring the mixed solution in a reaction kettle with a polytetrafluoroethylene tank to react hydrothermal reaction at 180-220 DEG C for 8-12h, then cooling to the room temperature, centrifugalizing the products to obtain precipitate, cleaning and drying the precipitate fully to obtain the SnS2 nanoplate anode material of a lithium-ion battery; wherein, the molar ratio of L-cysteine to stannic chloride is 4:1-8:1. The SnS2 nanoplate anode material of a lithium-ion battery prepared by the method of the invention has high electrochemical capacity and good cyclic stability.
Description
Technical field
The present invention relates to the preparation method of lithium ion battery electrode material, especially lithium ion battery SnS
2The preparation method of nanometer sheet negative material belongs to the synthetic and technical field of new energies of inorganic material.
Background technology
Lithium ion battery has excellent properties such as specific energy height, memory-less effect, environmental friendliness, has been widely used in portable movable electrical appliances such as mobile phone and notebook computer.As electrokinetic cell, lithium ion battery also is with a wide range of applications on electric bicycle and electric automobile.The negative material of lithium ion battery mainly adopts graphite material (as: graphite microballoon, natural modified graphite and Delanium etc.) at present, and these graphite materials have stable circulation performance preferably, but its capacity is lower, and the theoretical capacity of graphite is 372mAh/g.A new generation's lithium ion battery is had higher requirement to the capacity and the stable circulation performance of electrode material, not only requires negative material to have high electrochemistry capacitance, and has good stable circulation performance.
SnS
2Have layered crystal structure, it forms octahedral coordination by two-layer compact arranged S atom and the sandwich sandwich structure that constitutes of Sn cation, the layer with layer between combine with weak Van der Waals force.SnS
2Have good electrochemistry seasoning lithium performance as lithium ion battery negative material, its electrochemistry embedding is taken off and can be expressed as: SnS
2+ 4Li
++ 4e
-→ Sn+2Li
2S;
In the lithium of electrochemistry embedding first process, SnS
2Resolve into metal Sn and Li
2S, Sn can form Li with lithium alloyage subsequently
xSn alloy (0≤x≤4.4).In the charge and discharge process afterwards, Sn can reversibly inhale as electroactive substance puts lithium, Li
2S is surrounded on as inert material around the active Sn, and the change in volume of Sn in charge and discharge process had good cushioning effect, is of value to the stability that keeps electrode.SnS
2Electrochemistry embedding lithium theoretical capacity be 645mAh/g, so the theoretical capacity of big graphite 372mAh/g.Therefore, SnS
2Can be used as a kind of potential lithium ion battery negative material of alternative graphite material.[Momma T, Shiraishi N, Yoshizawa A, et al., SnS such as Momma
2Anode for rechargeable lithium battery.Journal of PowerSources, 2001,97-98:198～200] use SnCl
4The SnS synthetic with the thioacetamide method
2Product is after 400 ℃ of processing, and its electrochemistry storage lithium reversible capacity reaches 600mAh/g, but after circulation 25 times, capacity is less than 400mAh/g.Therefore, its cycle performance is still waiting further improvement.
The nano-sheet crystal has performances such as many unusual physics, chemistry with its particular structure, have important scientific research meaning and potential application foreground widely, and its research has caused people's very big concern.[Seo JW, Jang JT, Park SW, et al., Two-Dimensional SnS such as SeoJW
2Nanoplates withExtraordinary High Discharge Capacity for Lithium Ion Batteries.Advanced Materials.2008,20 (22): 4269～4273] by SnS has been synthesized in the thermal decomposition of organic Sn presoma
2The nano-sheet crystal, the result shows SnS
2The electrochemistry storage lithium capacity of nano-sheet crystal can reach more than the 600mAh/g, and has good stable circulation performance, has shown SnS
2The nano-sheet crystal has a good application prospect as lithium ion battery negative material.
The application of biological micromolecule in nano material is synthetic recently obtained people's extensive concern.The L-cysteine contains a plurality of functional group (as: NH
2,-COOH and-SH), these functional groups can provide coordination atom and metal cation to form coordinate bond.The L-cysteine has obtained application in synthetic transient metal sulfide nano material.Document [Zhang B, Ye XC, Hou WY, Zhao Y, Xie Y.Biomolecule-assistedsynthesis and electrochemical hydrogen storage of Bi
2S
3Flowerlike patterns withwell-aligned nanorods.Journal of Physical Chemistry B, 2006,110 (18) 8978～8985] synthesized the Bi of floriform appearance with the L-cysteine
2S
3Nano structural material.But up to the present, with containing L-cysteine and SnCl
4The right synthesizing lithium ion battery SnS of solution one step water
2The nanometer sheet negative material yet there are no report.
Summary of the invention
The purpose of this invention is to provide a kind of lithium ion battery SnS for preparing capacity height and stable cycle performance
2The method of nanometer sheet negative material.
Preparation lithium ion battery SnS of the present invention
2The method of nanometer sheet negative material may further comprise the steps:
1) the L-cysteine is dissolved in the deionized water, adds also abundant stirring of butter of tin then and make its dissolving, the mol ratio of L-cysteine and butter of tin was at 4: 1～8: 1 in the solution;
2) above-mentioned mixed solution transferred in the polytetrafluoroethylliner liner reactor, sealed, this reactor is incubated 8～12 hours down at 180 ℃～220 ℃.Be cooled to room temperature then, centrifugation obtains sediment, and fully washs with deionized water and absolute ethyl alcohol, and vacuumize obtains lithium ion battery SnS
2The nanometer sheet negative material.
The present invention has following beneficial effect compared with the prior art:
SnS
2As lithium ion battery negative material, the theoretical capacity of its electrochemistry storage lithium is 645mAh/g, then the theoretical capacity of big graphite 372mAh/g, SnS
2Can be used as a kind of lithium ion battery negative material of alternative graphite material.The lithium ion battery SnS of the inventive method preparation
2The electrochemistry storage lithium reversible capacity of nanometer sheet negative material reaches more than the 550mAh/g, remarkable theoretical capacity greater than graphite, and have good stable circulation performance.
The L-cysteine contains a plurality of functional group (as: NH
2,-COOH and-SH), these functional groups can provide coordination atom and metal cation to form coordinate bond.Therefore, the L-cysteine can with the Sn in the solution
4+Form co-ordination complex.L-cysteine and Sn
4+Co-ordination complex in the right course of reaction of water, can obtain the SnS of nano-sheet
2The SnS of nano-sheet
2Make it have excellent electrochemistry storage lithium performance with its particular structure as lithium ion battery negative material.Therefore, the lithium ion battery SnS of the inventive method preparation
2Nanometer sheet negative material tool not only has high electrochemistry storage lithium capacity (more than 550mAh/g), and has stable cycle performance.Its cycle performance is because document [Momma T etc., Journal of Power Sources, 2001,97-98:198～200] results reported.
Description of drawings
Fig. 1 is lithium ion battery SnS
2The XRD figure of nanometer sheet negative material;
Fig. 2 is lithium ion battery SnS
2The TEM photo of nanometer sheet negative material;
Fig. 3 is lithium ion battery SnS
2The TEM photo of nanometer sheet negative material;
Fig. 4 is lithium ion battery SnS
2The TEM photo of nanometer sheet negative material.
Embodiment
Embodiment 1
1) 0.98g (8mmol) L-cysteine is dissolved in the 160ml deionized water, adds 0.70g (2mmol) butter of tin (SnCl then
45H
2And stir and to make its dissolving, L-cysteine and SnCl in the mixed solution O),
4Mol ratio be 4: 1.
2) mixed solution that obtains transferred in the polytetrafluoroethylliner liner reactor, sealed, reactor is incubated 8 hours down at 180 ℃, naturally cools to room temperature then.Obtain sediment with centrifugation, and fully wash, obtain lithium ion battery SnS after the vacuumize with deionized water and absolute ethyl alcohol
2The nanometer sheet negative material.
X-ray diffraction (XRD) is analyzed and transmission electron microscope (TEM) observed result shows that the product of gained is SnS
2Nanometer sheet (seeing Fig. 1 and Fig. 2).
3) electrochemical property test: with an amount of SnS
2The N-N-methyl-2-2-pyrrolidone N-solution of nanometer sheet negative material, conductive agent acetylene black and 5% binding agent Kynoar (PVdF) mixes, and fully stirs the uniform slurry of back furnishing.SnS
2The mass ratio of nanometer sheet negative material, acetylene black and PVDF is 70: 15: 15.The uniform sizing material that obtains is coated on the Copper Foil equably, and 100 ℃ of dry 4h roll after the taking-up, get to the end test electrode at 120 ℃ of vacuumize 12h then.With this test electrode is work electrode, and metallic lithium foil is that electrode and reference electrode, polypropylene film (Celguard-2300) are barrier film, 1.0M LiPF
6EC/DMC solution (volume ratio 1: 1) be electrolyte, in being full of the glove box of argon gas, assemble test battery.The capacity and the cycle performance of constant current charge-discharge test compound electrode material.Temperature is that room temperature, charging and discharging currents are that 100mA/g, voltage range are at 0.01～1.50V.Test result shows SnS
2The initial reversible capacity of the electrochemistry of nanometer sheet negative material storage lithium is 575mAh/g, circulation 50 its capacity of back be 528mAh/g (for initial capacity 92%), the theoretical capacity greater than the 372mAh/g of graphite illustrates SnS
2Nanometer sheet negative pole utmost point material has high capacity and good circulation stability.
Embodiment 2
1) 1.45g (12mmol) L-cysteine is dissolved in the 150ml deionized water, adds 0.7g (2mmol) butter of tin (SnCl then
45H
2And stir and to make its dissolving, L-cysteine and SnCl in the mixed solution O),
4Mol ratio be 6: 1.
2) mixed solution that obtains transferred in the polytetrafluoroethylliner liner reactor, sealed, reactor is incubated 12 hours down at 190 ℃, naturally cools to room temperature then.Obtain sediment with centrifugation, and fully wash, obtain lithium ion battery SnS after the vacuumize with deionized water and absolute ethyl alcohol
2The nanometer sheet negative material.X-ray diffraction (XRD) is analyzed and transmission electron microscope (TEM) observed result shows that the product of gained is SnS
2The nanometer sheet (see figure 3)
3) by embodiment 1 the 3rd) method in step is assembled into test battery, and press embodiment 1 the 3rd) method of testing in step tests SnS
2The electrochemistry storage lithium performance of nanometer sheet negative material.Test result shows SnS
2The initial reversible capacity of the electrochemistry of nanometer sheet negative material storage lithium is 565mAh/g, circulation 50 its capacity of back be 525mAh/g (for initial capacity 93%), the theoretical capacity greater than the 372mAh/g of graphite illustrates SnS
2Nanometer sheet negative pole utmost point material has high capacity and good circulation stability.
Embodiment 3
1) 1.45g (12mmol) L-cysteine is dissolved in the 150ml deionized water, adds 0.52g (1.5mmol) butter of tin (SnCl then
45H
2And stir and to make its dissolving, L-cysteine and SnCl in the mixed solution O),
4Mol ratio be 8: 1.
2) mixed solution that obtains transferred in the polytetrafluoroethylliner liner reactor, sealed, reactor is incubated 8 hours down at 220 ℃, naturally cools to room temperature then.Obtain sediment with centrifugation, and fully wash, obtain lithium ion battery SnS after the vacuumize with deionized water and absolute ethyl alcohol
2The nanometer sheet negative material.X-ray diffraction (XRD) is analyzed and transmission electron microscope (TEM) observed result shows that the product of gained is SnS
2The nanometer sheet (see figure 4)
3) by embodiment 1 the 3rd) method in step is assembled into test battery, and press embodiment 1 the 3rd) method of testing in step tests SnS
2The electrochemistry storage lithium performance of nanometer sheet negative material.Test result shows SnS
2The initial reversible capacity of the electrochemistry of nanometer sheet negative material storage lithium is 561mAh/g, circulation 50 its capacity of back be 505mAh/g (for initial capacity 90%), the theoretical capacity greater than the 372mAh/g of graphite illustrates SnS
2Nanometer sheet negative pole utmost point material has high capacity and good circulation stability.
Embodiment 4
1) 0.61g (5mmol) L-cysteine is dissolved in the 150ml deionized water, adds 0.35g (1mmol) butter of tin (SnCl then
45H
2And stir and to make its dissolving, L-cysteine and SnCl in the mixed solution O),
4Mol ratio be 5: 1.
2) mixed solution that obtains transferred in the polytetrafluoroethylliner liner reactor, sealed, reactor is incubated 9 hours down at 200 ℃, naturally cools to room temperature then.Obtain sediment with centrifugation, and fully wash, obtain lithium ion battery SnS after the vacuumize with deionized water and absolute ethyl alcohol
2The nanometer sheet negative material.X-ray diffraction (XRD) is analyzed and transmission electron microscope (TEM) observed result shows that the product of gained is SnS
2Nanometer sheet.
3) by embodiment 1 the 3rd) method in step is assembled into test battery, and press embodiment 1 the 3rd) method of testing in step tests SnS
2The electrochemistry storage lithium performance of nanometer sheet negative material.Test result shows SnS
2The initial reversible capacity of the electrochemistry of nanometer sheet negative material storage lithium is 593mAh/g, circulation 50 its capacity of back be 539mAh/g (for initial capacity 91%), the theoretical capacity greater than the 372mAh/g of graphite illustrates SnS
2Nanometer sheet negative pole utmost point material has high capacity and good circulation stability.
Embodiment 5
1) 0.85g (7mmol) L-cysteine is dissolved in the 150ml deionized water, adds 0.35g (1mmol) butter of tin (SnCl then
45H
2And stir and to make its dissolving, L-cysteine and SnCl in the mixed solution O),
4Mol ratio be 7: 1.
2) mixed solution that obtains transferred in the polytetrafluoroethylliner liner reactor, sealed, reactor is incubated 8 hours down at 200 ℃, naturally cools to room temperature then.Obtain sediment with centrifugation, and fully wash, obtain lithium ion battery SnS after the vacuumize with deionized water and absolute ethyl alcohol
2The nanometer sheet negative material.X-ray diffraction (XRD) is analyzed and transmission electron microscope (TEM) observed result shows that the product of gained is SnS
2Nanometer sheet.
3) by embodiment 1 the 3rd) method in step is assembled into test battery, and press embodiment 1 the 3rd) method of testing in step tests SnS
2The electrochemistry storage lithium performance of nanometer sheet negative material.Test result shows SnS
2The initial reversible capacity of the electrochemistry of nanometer sheet negative material storage lithium is 586mAh/g, circulation 50 its capacity of back be 538mAh/g (for initial capacity 92%), the theoretical capacity greater than the 372mAh/g of graphite illustrates SnS
2Nanometer sheet negative pole utmost point material has high capacity and good circulation stability.
Claims (1)
1. one kind prepares lithium ion battery SnS
2The method of nanometer sheet negative material is characterized in that may further comprise the steps:
1) the L-cysteine is dissolved in the deionized water, adds also abundant stirring of butter of tin then and make its dissolving, the mol ratio of L-cysteine and butter of tin was at 4: 1～8: 1 in the solution;
2) above-mentioned mixed solution transferred in the polytetrafluoroethylliner liner reactor, sealed, this reactor is incubated 8～12 hours down at 180 ℃～220 ℃, be cooled to room temperature then, centrifugation obtains sediment, and fully wash with deionized water and absolute ethyl alcohol, vacuumize obtains lithium ion battery SnS
2The nanometer sheet negative material.
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|---|---|---|---|
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102502790B (en) * | 2011-11-23 | 2013-12-25 | 陕西科技大学 | Method for preparing SnS powder through microwave hydrothermal-ultrasonic chemistry method |
| CN102502792B (en) * | 2011-11-23 | 2014-03-12 | 陕西科技大学 | Preparation method of spherical SnS nanometer crystals |
| CN103094562B (en) * | 2012-11-06 | 2015-03-04 | 西北工业大学 | Preparation method of stannic sulfide/rare-earth metal negative pole material for lithium ion battery |
| CN103991899B (en) * | 2014-06-17 | 2016-05-25 | 合肥工业大学 | The preparation method of the flower-shaped tin oxide micro-nano structure of a kind of porous |
| CN104362000B (en) * | 2014-10-24 | 2017-02-01 | 南京晓庄学院 | Ultrathin SnS2 nano-sheet, method for manufacturing same and application of ultrathin SnS2 nano-sheet |
| CN104716311B (en) * | 2015-02-11 | 2017-03-01 | 深圳新宙邦科技股份有限公司 | A kind of stannic disulphide nano slice composite and its preparation method and application |
| CN110970665A (en) * | 2018-09-29 | 2020-04-07 | 江苏师范大学 | SnS2Preparation method of/HNTs composite lithium ion battery |
| CN111268720B (en) * | 2020-01-13 | 2022-07-01 | 信阳师范学院 | Preparation method of large interlayer spacing tin disulfide nanoflower sodium ion battery negative electrode material |
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