CN112864527A - Preparation method of Mxene/PVDF lithium-sulfur battery diaphragm - Google Patents
Preparation method of Mxene/PVDF lithium-sulfur battery diaphragm Download PDFInfo
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- 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
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a preparation method of a Mxene/PVDF lithium-sulfur battery diaphragm, which comprises the step of etching Ti by etching liquid3AlC2Adding 0.2-0.5 mol/L CTAB, placing at-60 to-48 ℃ for freezing, adding deionized water for standing, taking the lower layer liquid for freeze drying to obtain Mxene, adding into distilled water, adding ferric nitrate nonahydrate, dopamine and amino acid, stirring for dissolving, transferring into a polytetrafluoroethylene reaction kettle, heating to 150-180 ℃ for reacting for 2-4 h, cooling, filtering, placing in a tubular furnace, firing at 200-300 ℃ for 2-3 h in the nitrogen atmosphere, and cooling for later use; adding the product obtained in the step S3 into N, N-dimethylformamide, ultrasonically stirring and dispersing uniformly, then adding polyvinylidene fluoride, heating to 50-60 ℃, magnetically stirring for 3-6 hours, pouring into a grooved glass plate, carrying out blade coating to keep the thickness of the film at 1-3 mm, and finally carrying out vacuum drying in an oven at 70-80 ℃ for 3-5 hours to obtain the productTo the membrane.
Description
Technical Field
The invention belongs to the technical field of lithium-sulfur batteries, and particularly relates to a preparation method of a Mxene/PVDF lithium-sulfur battery diaphragm.
Background
The lithium-sulfur battery is a lithium-sulfur secondary battery which takes metal lithium as a negative electrode and elemental sulfur as a positive electrode material, and the theoretical specific capacity of the material reaches 1672 mAh.g-1The theoretical specific energy of the battery reaches 2600Wh/kg, and the actual energy density of the current lithium-sulfur battery reaches 390Wh/kg and is much higher than that of other LiFeO batteries4、LiMn2O4And the like, commercially available electrode materials.
The separator is an important component of a lithium-sulfur battery and serves to separate the positive and negative electrodes to prevent internal shorting of the battery while facilitating the transport of free lithium ions between the two electrodes. The lithium-sulfur battery separator is generally a non-polar film such as polypropylene/polyethylene (PP/PE). However, during discharge of the lithium-sulfur battery, elemental sulfur is reduced to S-2There will be a plurality ofFormation of an intermediate state, in which Li2Sn (n is more than or equal to 4 and less than or equal to 8) is easily dissolved in organic electrolyte, shuttles from the sulfur anode to the lithium cathode through the diaphragm, forms an insulating layer on the lithium cathode, reduces the contact between the lithium cathode and the diaphragm, and prevents a transmission channel of lithium ions, thereby causing the problems of poor cyclicity, low coulombic efficiency, high self-discharge rate and the like of the lithium-sulfur battery.
Disclosure of Invention
For Li in the above lithium-sulfur battery2Sn (n is more than or equal to 4 and less than or equal to 8) is dissolved in electrolyte, and the diaphragm can not prevent the Sn from shuttling from a sulfur positive electrode to a lithium negative electrode, so that the problems of poor lithium-sulfur battery cyclicity, low coulombic efficiency, high self-discharge rate and the like are caused, and the invention aims to provide a preparation method of the Mxene/PVDF lithium-sulfur battery diaphragm, which comprises the following steps:
s1: adding LiF into hydrochloric acid solution containing chlorine salt, stirring uniformly to obtain etching solution, and adding Ti3AlC2And crushing the precursor, sieving the crushed precursor with a sieve of 100-150 meshes, adding the crushed precursor into the etching solution, and reacting for 3-6 hours at the temperature of 61-64 ℃ at the rotating speed of 500-550 r/min for later use.
S2: adding 0.2-0.5 mol/L CTAB into the step S1, continuously stirring for 30-60 min, then rapidly freezing for 0.5-2 h at-60-48 ℃, then taking out and placing at room temperature, carrying out ultrasonic treatment for 20-30 min when the internal temperature is raised to 1-3 ℃, carrying out freezing-ultrasonic circulation operation for 4-6 times, then adding deionized water, starting standing for layering, taking out the liquid at the lower layer, and carrying out freeze drying to obtain the Mxene material for later use.
S3: adding the Mxene material product obtained in the step S2 into distilled water, performing ultrasonic stirring to fully disperse the Mxene material product, then adding ferric nitrate nonahydrate, dopamine and amino acid, stirring to dissolve the mixture, transferring the mixture into a polytetrafluoroethylene reaction kettle, heating to 150-180 ℃, reacting for 2-4 h, cooling, filtering, placing the reaction kettle in a tubular furnace, baking for 2-3 h at 200-300 ℃ in a nitrogen atmosphere, and cooling for later use.
S4: and (4) adding the product obtained in the step (S3) into N, N-dimethylformamide, carrying out ultrasonic stirring and uniform dispersion, then adding polyvinylidene fluoride, heating to 50-60 ℃, carrying out magnetic stirring for 3-6 hours, pouring the magnetic stirring into a grooved glass plate, carrying out blade coating to keep the thickness of the film at 1-3 mm, and finally carrying out vacuum drying in an oven at 70-80 ℃ for 3-5 hours to obtain the diaphragm.
Preferably, the above-mentioned LiF, hydrochloric acid solution and Ti3AlC2The mass-to-volume ratio of (1.88-2.69) g, (20-40) mL, (1.69-2.85) g.
Preferably, the mass-volume ratio of the Mxene material, ferric nitrate nonahydrate, dopamine, amino acid and distilled water is (3-5.5), (1.2-1.8), (0.96-1.28), (0.66-0.92) and (10-25) mL.
Preferably, the mass-to-volume ratio of the product obtained in the step S3, polyvinylidene fluoride and N, N-dimethylformamide is (2.5-3.6), (7-15), (30-50) mL.
Compared with the prior art, the invention has the following beneficial effects:
in the invention, Ti is etched step by step3AlC2The method comprises the steps of preparing the Mxene material, modifying and calcining the Mxene material by using ferric nitrate nonahydrate, dopamine and amino acid to ensure that Fe ions and nitrogen ions are rich between layers of the Mxene material, and preparing the diaphragm by compounding with polyvinylidene fluoride in a blade coating and tape casting mode, wherein polysulfide Li is compounded inside the diaphragm due to the compounding of the Mxene material2Sn(4. ltoreq. n.ltoreq.8) through the "channels" of the membrane, and iron ions and nitrogen ions therein form Fe-N bonds to the polysulphide Li2SnChemical anchoring effect is generated, and the shuttle of the lithium-sulfur battery can be effectively blocked from passing through the diaphragm, so that the cycle stability of the lithium-sulfur battery is improved.
Detailed Description
The following embodiments of the present invention are described in detail, and the embodiments are implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Example 1
A preparation method of a Mxene/PVDF lithium-sulfur battery diaphragm specifically comprises the following steps:
s1: adding LiF into hydrochloric acid solution containing chlorine salt, stirring uniformly to obtain etching solution, and adding Ti3AlC2And crushing the precursor, sieving the crushed precursor with a 100-mesh sieve, adding the crushed precursor into etching liquid, and reacting for 3 hours at the temperature of 61 ℃ at the rotating speed of 500r/min for later use.
S2: adding 0.2mol/L CTAB into the step S1, continuously stirring for 30min, then placing at-60 ℃ for rapidly freezing for 0.5h, then taking out and placing at room temperature, carrying out ultrasonic treatment for 20min when the internal temperature is raised to 1 ℃, carrying out freezing-ultrasonic circulation operation for 4 times, then adding deionized water, starting standing for layering, taking out the liquid at the lower layer, and carrying out freeze drying to obtain an Mxene material for later use; wherein LiF, hydrochloric acid solution and Ti3AlC2The mass-to-volume ratio of (1.88 g to 20mL to 1.69 g).
S3: adding the Mxene material product obtained in the step S2 into distilled water, performing ultrasonic stirring to fully disperse the Mxene material product, then adding ferric nitrate nonahydrate, dopamine and amino acid, stirring to dissolve, transferring to a polytetrafluoroethylene reaction kettle, heating to 150 ℃ to react for 2h, cooling, filtering, then placing in a tubular furnace, baking at 200 ℃ for 2h in a nitrogen atmosphere, and cooling for later use; wherein the mass-volume ratio of the Mxene material, ferric nitrate nonahydrate, dopamine, amino acid and distilled water is 3g:1.2g:0.96g:0.66g:10 mL.
S4: adding the product obtained in the step S3 into N, N-dimethylformamide, performing ultrasonic stirring to disperse uniformly, then adding polyvinylidene fluoride, heating to 50 ℃, performing magnetic stirring for 3 hours, pouring the mixture into a grooved glass plate, performing blade coating to keep the thickness of the film at 1mm, and finally performing vacuum drying in an oven at 70 ℃ for 3 hours to obtain the diaphragm; wherein the mass-to-volume ratio of the product obtained in step S3, polyvinylidene fluoride and N, N-dimethylformamide is 2.5g:7g:30 mL.
Example 2
A preparation method of a Mxene/PVDF lithium-sulfur battery diaphragm specifically comprises the following steps:
s1: adding LiF into hydrochloric acid solution containing chlorine salt, stirring uniformly to obtain etching solution, and adding Ti3AlC2And crushing the precursor, sieving the crushed precursor with a 150-mesh sieve, adding the crushed precursor into etching liquid, and reacting for 6 hours at the temperature of 64 ℃ at the rotating speed of 550r/min for later use.
S2: adding 0.5mol/L CTAB into the step S1, continuously stirring for 60min, then placing the mixture under the condition of-48 ℃ for fast freezing for 2h, then taking out the mixture and placing the mixture under the condition of room temperature, carrying out ultrasonic treatment for 30min when the internal temperature is raised to 3 ℃, carrying out freezing-ultrasonic circulation operation for 6 times, then adding deionized water, starting standing for layering, taking out the lower layer liquid for freeze drying, and obtaining the Mxene material for later use; wherein LiF, hydrochloric acid solution and Ti3AlC2The mass-to-volume ratio of (2.69 g to 40mL to 2.85 g).
S3: adding the Mxene material product obtained in the step S2 into distilled water, performing ultrasonic stirring to fully disperse the Mxene material product, then adding ferric nitrate nonahydrate, dopamine and amino acid, stirring to dissolve, transferring to a polytetrafluoroethylene reaction kettle, heating to 180 ℃ to react for 4 hours, cooling, filtering, then placing in a tubular furnace, baking at 300 ℃ for 3 hours in a nitrogen atmosphere, and cooling for later use; wherein the mass-volume ratio of the Mxene material, ferric nitrate nonahydrate, dopamine, amino acid and distilled water is 5.5g:1.8g:1.28g:0.92g:25 mL.
S4: adding the product obtained in the step S3 into N, N-dimethylformamide, performing ultrasonic stirring to disperse uniformly, then adding polyvinylidene fluoride, heating to 60 ℃, performing magnetic stirring for 6 hours, pouring the mixture into a grooved glass plate, performing blade coating to keep the thickness of the film at 3mm, and finally performing vacuum drying in an oven at 80 ℃ for 5 hours to obtain the diaphragm; wherein the mass-to-volume ratio of the product obtained in step S3, polyvinylidene fluoride and N, N-dimethylformamide is 3.6g:15g:50 mL.
Example 3
A preparation method of a Mxene/PVDF lithium-sulfur battery diaphragm specifically comprises the following steps:
s1: adding LiF into hydrochloric acid solution containing chlorine salt, stirring uniformly to obtain etching solution, and adding Ti3AlC2The precursor is crushed and sieved by a 120-mesh sieveAdding into etching solution, and reacting at 62 deg.C and rotation speed of 520r/min for 4 h.
S2: adding 0.3mol/L CTAB into the step S1, continuously stirring for 40min, then placing the mixture under the condition of-50 ℃ for quick freezing for 1h, then taking out the mixture and placing the mixture under the condition of room temperature, carrying out ultrasonic treatment for 25min when the internal temperature is raised to 2 ℃, carrying out freezing-ultrasonic circulation operation for 5 times, then adding deionized water, starting standing for layering, taking out the lower layer liquid for freeze drying, and obtaining the Mxene material for later use; wherein LiF, hydrochloric acid solution and Ti3AlC2The mass-to-volume ratio of (1.99 g to 28mL to 1.96 g).
S3: adding the Mxene material product obtained in the step S2 into distilled water, performing ultrasonic stirring to fully disperse the Mxene material product, then adding ferric nitrate nonahydrate, dopamine and amino acid, stirring to dissolve, transferring to a polytetrafluoroethylene reaction kettle, heating to 160 ℃, reacting for 3 hours, cooling, filtering, then placing in a tubular furnace, baking for 2.5 hours at 250 ℃ in a nitrogen atmosphere, and cooling for later use; wherein the mass-volume ratio of the Mxene material, ferric nitrate nonahydrate, dopamine, amino acid and distilled water is 4g:1.4g:1.09g:0.78g:15 mL.
S4: adding the product obtained in the step S3 into N, N-dimethylformamide, performing ultrasonic stirring to disperse uniformly, then adding polyvinylidene fluoride, heating to 55 ℃, performing magnetic stirring for 4 hours, pouring the mixture into a grooved glass plate, performing blade coating to keep the thickness of the film at 2mm, and finally performing vacuum drying in an oven at 75 ℃ for 4 hours to obtain the diaphragm; wherein the mass-to-volume ratio of the product obtained in step S3, polyvinylidene fluoride and N, N-dimethylformamide is 2.9g:10g:40 mL.
Example 4
A preparation method of a Mxene/PVDF lithium-sulfur battery diaphragm specifically comprises the following steps:
s1: adding LiF into hydrochloric acid solution containing chlorine salt, stirring uniformly to obtain etching solution, and adding Ti3AlC2And crushing the precursor, sieving the crushed precursor by a 140-mesh sieve, adding the crushed precursor into etching liquid, and reacting for 5 hours at the temperature of 63 ℃ at the rotating speed of 540r/min for later use.
S2: adding 0.4mol/L ofCTAB is continuously stirred for 50min, then placed at-55 ℃ and rapidly frozen for 1.5h, then taken out and placed at room temperature, when the internal temperature is raised to 3 ℃, ultrasonic treatment is carried out for 30min, the freezing-ultrasonic circulation operation is carried out for 6 times, then deionized water is added, standing is started, layering is carried out, the lower layer liquid is taken out, and freeze drying is carried out, so that the Mxene material is obtained for standby; wherein LiF, hydrochloric acid solution and Ti3AlC2The mass-to-volume ratio of (2.44 g to 35mL to 2.65 g).
S3: adding the Mxene material product obtained in the step S2 into distilled water, performing ultrasonic stirring to fully disperse the Mxene material product, then adding ferric nitrate nonahydrate, dopamine and amino acid, stirring to dissolve, transferring to a polytetrafluoroethylene reaction kettle, heating to 170 ℃ to react for 4 hours, cooling, filtering, then placing in a tubular furnace, baking at 280 ℃ for 3 hours in a nitrogen atmosphere, and cooling for later use; wherein the mass-volume ratio of the Mxene material, ferric nitrate nonahydrate, dopamine, amino acid and distilled water is 5.g:1.6g:1.24g:0.90g:20 mL.
S4: adding the product obtained in the step S3 into N, N-dimethylformamide, performing ultrasonic stirring to disperse uniformly, then adding polyvinylidene fluoride, heating to 55 ℃, performing magnetic stirring for 5 hours, pouring the mixture into a grooved glass plate, performing blade coating to keep the thickness of the film at 3mm, and finally performing vacuum drying in an oven at 78 ℃ for 5 hours to obtain the diaphragm; wherein the mass-to-volume ratio of the product obtained in the step S3, polyvinylidene fluoride and N, N-dimethylformamide is 3.4g:14g:48 mL.
Comparative example 1
Commercial Nafion battery separator.
Examples of the experiments
Testing performance, namely assembling the lithium-sulfur battery diaphragm prepared in the embodiment 1-4 into a battery, wherein the positive electrode is sublimed sulfur, Super P and a binder, the sublimed sulfur, the Super P and the binder are ground according to the mass ratio of 6:2:2, then the ground positive electrode is added into N-methyl pyrrolidone, ball milling is carried out, the mixture is blade-coated on an aluminum plate, and the mixture is dried to obtain the lithium-sulfur battery diaphragm; the negative electrode is a lithium metal sheet, the electrolyte is a mixed solution of lithium salt and 1, 3-dioxolane/glycol dimethyl ether, wherein the lithium salt is 1M LiTFSI, the mixed solution contains 1 wt.% of lithium nitrate as an additive, the lithium-sulfur battery is tested by adopting a Wuhan blue electric test system, the charge-discharge voltage range is 1.7-2.8V, the current density is 0.2C, the test results are shown in Table 1,
table 1. test results:
as can be seen from Table 1, after the lithium-sulfur battery is assembled by the diaphragm materials prepared in the embodiments 1 to 4, the first specific discharge capacity is more than 969.4mAh/g, the specific discharge capacity is still more than 919.3mAh/g after 100 cycles of circulation, and the specific discharge capacity is more than 851.1mAh/g after 200 cycles of circulation, so that compared with the diaphragm material in the comparative example 1, the battery assembled by the diaphragm material disclosed by the invention has excellent specific discharge capacity and cycling stability.
Claims (4)
1. A preparation method of a Mxene/PVDF lithium-sulfur battery diaphragm is characterized by comprising the following steps:
s1: adding LiF into hydrochloric acid solution containing chlorine salt, stirring uniformly to obtain etching solution, and adding Ti3AlC2Crushing the precursor, sieving the crushed precursor with a sieve of 100-150 meshes, adding the crushed precursor into etching liquid, and reacting for 3-6 hours at the temperature of 61-64 ℃ at the rotating speed of 500-550 r/min for later use;
s2: adding 0.2-0.5 mol/L CTAB into the step S1, continuously stirring for 30-60 min, then rapidly freezing for 0.5-2 h at-60 to-48 ℃, then taking out and placing at room temperature, carrying out ultrasonic treatment for 20-30 min when the internal temperature is raised to 1-3 ℃, carrying out freezing-ultrasonic circulation operation for 4-6 times, then adding deionized water, starting standing for layering, taking out the liquid at the lower layer, and carrying out freeze drying to obtain the Mxene material for later use;
s3: adding the Mxene material product obtained in the step S2 into distilled water, performing ultrasonic stirring to fully disperse the Mxene material product, then adding ferric nitrate nonahydrate, dopamine and amino acid, stirring to dissolve the mixture, transferring the mixture into a polytetrafluoroethylene reaction kettle, heating the mixture to 150-180 ℃, reacting for 2-4 hours, cooling, filtering, placing the mixture into a tubular furnace, performing calcination at 200-300 ℃ for 2-3 hours in a nitrogen atmosphere, and cooling for later use;
s4: and (4) adding the product obtained in the step (S3) into N, N-dimethylformamide, carrying out ultrasonic stirring and uniform dispersion, then adding polyvinylidene fluoride, heating to 50-60 ℃, carrying out magnetic stirring for 3-6 hours, pouring the magnetic stirring into a grooved glass plate, carrying out blade coating to keep the thickness of the film at 1-3 mm, and finally carrying out vacuum drying in an oven at 70-80 ℃ for 3-5 hours to obtain the diaphragm.
2. The method of claim 1, wherein the LiF, the hydrochloric acid solution, and the Ti are mixed to form a mixed lithium-sulfur battery separator3AlC2The mass-to-volume ratio of (1.88-2.69) g, (20-40) mL, (1.69-2.85) g.
3. The preparation method of the Mxene/PVDF lithium-sulfur battery diaphragm as claimed in claim 1, wherein the mass volume ratio of the Mxene material, ferric nitrate nonahydrate, dopamine, amino acid and distilled water is (3-5.5), (1.2-1.8), (0.96-1.28), (0.66-0.92), (10-25) mL.
4. The preparation method of the Mxene/PVDF lithium-sulfur battery diaphragm as claimed in claim 1, wherein the mass-to-volume ratio of the product obtained in step S3, polyvinylidene fluoride and N, N-dimethylformamide is (2.5-3.6) g (7-15) g (30-50) mL.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113462102A (en) * | 2021-08-18 | 2021-10-01 | 揭阳市圣路保鞋业有限公司 | Polyvinyl chloride composite material and preparation method thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104762660A (en) * | 2015-04-13 | 2015-07-08 | 中国科学院宁波材料技术与工程研究所 | Carbide crystal material with two-dimensional lamellar structure and preparation method thereof |
| CN106876637A (en) * | 2017-04-08 | 2017-06-20 | 深圳市佩成科技有限责任公司 | A kind of Ti3C2Tx/PVDF/Celgard composite diaphragms |
| US20170316891A1 (en) * | 2015-08-24 | 2017-11-02 | Nanotek Instruments, Inc. | Supercapacitor Having a High Volumetric Energy Density |
| CN107369801A (en) * | 2017-06-29 | 2017-11-21 | 华南理工大学 | A kind of MXene modifications composite diaphragm and preparation method thereof and the application in lithium-sulfur cell |
| CN107579189A (en) * | 2017-07-25 | 2018-01-12 | 华南理工大学 | A kind of MXene organic double compounds film and preparation method thereof and the application as lithium-sulfur cell barrier film |
| US20180261882A1 (en) * | 2015-09-18 | 2018-09-13 | Korea Research Institute Of Chemical Technology | Secondary battery including organic-inorganic hybrid nanoporous material as water adsorbent |
| WO2019236371A2 (en) * | 2018-05-29 | 2019-12-12 | Nanotek Instruments, Inc. | Fire-resistant lithium battery containing an electrode-protecting layer |
| CN110679009A (en) * | 2017-05-30 | 2020-01-10 | 纳米技术仪器公司 | Shape conforming alkali metal battery with conductive and deformable quasi-solid polymer electrodes |
| CN111211273A (en) * | 2020-01-13 | 2020-05-29 | 吉林大学 | Lithium-sulfur battery with iron nitride nanoparticles growing in situ on reduced graphene oxide as modified diaphragm material and preparation method thereof |
| CN111341973A (en) * | 2020-03-10 | 2020-06-26 | 肇庆市华师大光电产业研究院 | Preparation method of functional interlayer of lithium-sulfur battery |
| CN111686585A (en) * | 2020-06-01 | 2020-09-22 | 天津工业大学 | Modified polymer film and preparation method and application thereof |
| WO2020226310A1 (en) * | 2019-05-03 | 2020-11-12 | 주식회사 엘지화학 | Separator for lithium-sulfur battery, and lithium-sulfur battery comprising same |
-
2021
- 2021-04-02 CN CN202110362538.7A patent/CN112864527B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104762660A (en) * | 2015-04-13 | 2015-07-08 | 中国科学院宁波材料技术与工程研究所 | Carbide crystal material with two-dimensional lamellar structure and preparation method thereof |
| US20170316891A1 (en) * | 2015-08-24 | 2017-11-02 | Nanotek Instruments, Inc. | Supercapacitor Having a High Volumetric Energy Density |
| US20180261882A1 (en) * | 2015-09-18 | 2018-09-13 | Korea Research Institute Of Chemical Technology | Secondary battery including organic-inorganic hybrid nanoporous material as water adsorbent |
| CN106876637A (en) * | 2017-04-08 | 2017-06-20 | 深圳市佩成科技有限责任公司 | A kind of Ti3C2Tx/PVDF/Celgard composite diaphragms |
| CN110679009A (en) * | 2017-05-30 | 2020-01-10 | 纳米技术仪器公司 | Shape conforming alkali metal battery with conductive and deformable quasi-solid polymer electrodes |
| CN107369801A (en) * | 2017-06-29 | 2017-11-21 | 华南理工大学 | A kind of MXene modifications composite diaphragm and preparation method thereof and the application in lithium-sulfur cell |
| CN107579189A (en) * | 2017-07-25 | 2018-01-12 | 华南理工大学 | A kind of MXene organic double compounds film and preparation method thereof and the application as lithium-sulfur cell barrier film |
| WO2019236371A2 (en) * | 2018-05-29 | 2019-12-12 | Nanotek Instruments, Inc. | Fire-resistant lithium battery containing an electrode-protecting layer |
| WO2020226310A1 (en) * | 2019-05-03 | 2020-11-12 | 주식회사 엘지화학 | Separator for lithium-sulfur battery, and lithium-sulfur battery comprising same |
| CN111211273A (en) * | 2020-01-13 | 2020-05-29 | 吉林大学 | Lithium-sulfur battery with iron nitride nanoparticles growing in situ on reduced graphene oxide as modified diaphragm material and preparation method thereof |
| CN111341973A (en) * | 2020-03-10 | 2020-06-26 | 肇庆市华师大光电产业研究院 | Preparation method of functional interlayer of lithium-sulfur battery |
| CN111686585A (en) * | 2020-06-01 | 2020-09-22 | 天津工业大学 | Modified polymer film and preparation method and application thereof |
Non-Patent Citations (4)
| Title |
|---|
| LI WEIYAN,SONG ZHONGQIAN等: "Multilayer-structured transparent MXene/PVDF film with excellent dielectric and energy storage performance", 《JOURNAL OF MATERIAL CHEMISTRY C》 * |
| LINGXIA YIN等: "MXene debris modified eggshell membrane as separator for high-performance lithium-sulfur batteries", 《CHEMICAL ENGINEERING JOURNAL》 * |
| 胡爱玲，: "基于Ti3C2 MXene的多离子插层负极材料制备及其电化学性能研究", 《工程科技Ⅰ辑》 * |
| 郭雅芳等: "锂硫电池隔膜改性研究进展", 《材料导报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113462102A (en) * | 2021-08-18 | 2021-10-01 | 揭阳市圣路保鞋业有限公司 | Polyvinyl chloride composite material and preparation method thereof |
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