A kind of preparation method of molybdenum disulfide/polyphosphazene/ferric oxide electrode material

A technology of ferric oxide and molybdenum disulfide, applied in the manufacture of hybrid/electric double layer capacitors, hybrid capacitor electrodes, etc., can solve the problems of high interface resistance, poor electrolyte stability, etc., achieve low equipment requirements, improve performance, and respond The effect of simple operation and process conditions

Active Publication Date: 2021-08-03
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ferric oxide (Fe 3 o 4 ) has the advantages of non-toxicity, high theoretical capacitance, and easy synthesis, but high interfacial resistance, agglomeration phenomenon, and poor electrolyte stability limit its application.

Method used

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  • A kind of preparation method of molybdenum disulfide/polyphosphazene/ferric oxide electrode material
  • A kind of preparation method of molybdenum disulfide/polyphosphazene/ferric oxide electrode material
  • A kind of preparation method of molybdenum disulfide/polyphosphazene/ferric oxide electrode material

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Experimental program
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Effect test

Embodiment 1

[0025] (1) Molybdenum disulfide (MoS 2 ) preparation: weigh 24mg molybdenum trioxide (MoO 3 ), 28mg of thioacetamide (TAA) and 200mg of urea, dispersed in 20mL of deionized water, transferred to the stainless steel reactor lining after magnetic stirring, sealed, put into 200 ℃ blast drying oven for 18h reaction; after the reaction After cooling to room temperature, the prepared product was washed with deionized water and absolute ethanol, and finally vacuum-dried at 50°C to obtain MoS 2 .

[0026] (2)MoS 2 Preparation of / PZS composite: Weigh 0.1g molybdenum disulfide, ultrasonically disperse it in a mixture of 150mL tetrahydrofuran and ethanol, then add the precursor of polyphosphazene (PZS) 0.1g hexachlorocyclotriphosphazene and 0.25g 4 , 4'-dihydroxydiphenylsulfone, and 3mL triethylamine was added, and after ultrasonic reaction for 5h, the mixture was washed with deionized water and absolute ethanol respectively, and dried in a vacuum oven at 50°C to obtain MoS 2 / PZS c...

Embodiment 2

[0033] (1) Molybdenum disulfide (MoS 2 ) preparation: weigh 24mg molybdenum trioxide (MoO 3 ), 28mg of thioacetamide (TAA) and 200mg of urea, dispersed in 20mL of deionized water, transferred to the stainless steel reactor lining after magnetic stirring, sealed, put into 200 ℃ blast drying oven for 24h reaction; after the reaction After cooling to room temperature, the prepared product was washed with deionized water and absolute ethanol, and finally vacuum-dried at 50°C to obtain MoS 2 .

[0034] (2)MoS 2 Preparation of / PZS composite: Weigh 0.1g molybdenum disulfide, ultrasonically disperse it in a mixture of 150mL tetrahydrofuran and ethanol, then add the precursor of polyphosphazene (PZS) 0.1g hexachlorocyclotriphosphazene and 0.25g 4 , 4'-dihydroxydiphenylsulfone, and 3mL triethylamine was added, and after ultrasonic reaction for 5h, the mixture was washed with deionized water and absolute ethanol respectively, and dried in a vacuum oven at 50°C to obtain MoS 2 / PZS c...

Embodiment 3

[0037] (1) Molybdenum disulfide (MoS 2 ) preparation: weigh 24mg molybdenum trioxide (MoO 3 ), 28mg of thioacetamide (TAA) and 200mg of urea, dispersed in 20mL of deionized water, transferred to the stainless steel reactor lining after magnetic stirring, sealed, put into 200 ℃ blast drying oven for 18h reaction; after the reaction After cooling to room temperature, the prepared product was washed with deionized water and absolute ethanol, and finally vacuum-dried at 50°C to obtain MoS 2 .

[0038] (2)MoS 2 Preparation of / PZS composite: Weigh 0.1g molybdenum disulfide, ultrasonically disperse it in a mixture of 150mL tetrahydrofuran and ethanol, then add 0.05g hexachlorocyclotriphosphazene and 0.1g 4 , 4'-dihydroxydiphenyl sulfone, and 2 mL of triethylamine was added, and after ultrasonic reaction for 5 hours, the mixture was washed with deionized water and absolute ethanol, and dried in a vacuum oven at 50°C to obtain MoS 2 / PZS complex.

[0039] (3)MoS 2 / PZS / Fe 3 o ...

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Abstract

The invention relates to the field of electrode materials for supercapacitors, in particular to a method for preparing a molybdenum disulfide / polyphosphazene / ferric oxide electrode material. Prepare molybdenum disulfide first; then ultrasonically disperse molybdenum disulfide in a specific solvent; Molybdenum / polyphosphazene composite; then the MoS2 / PZS composite was ultrasonically dispersed in deionized water, and ferrous chloride tetrahydrate (FeCl 2 4H 2 O) and ferrous chloride hexahydrate (FeCl 3 ·6H 2 O), ultrasonic reaction under alkaline conditions for 2h, centrifugation, purification, and drying to obtain a solid product; finally, the solid product was calcined at a high temperature to obtain MoS 2 / PZS / Fe 3 o 4 Composite electrode materials. MoS2 / PZS / Fe prepared by the present invention 3 o 4 The electrode material is suitable for being used as an electrode material in the field of supercapacitors.

Description

technical field [0001] The invention relates to the field of supercapacitor electrode materials, in particular to a method for preparing molybdenum disulfide / polyphosphazene / ferric oxide supercapacitor electrode materials by in-situ polymerization and its application. Background technique [0002] At present, the ever-increasing global energy demand and severe environmental problems have greatly inspired researchers to research on clean energy and energy storage devices, such as research on lithium-ion batteries, solar cells and supercapacitors. Among them, supercapacitors have unique advantages, such as high power density and energy density, fast charge-discharge rate, and long cycle life, and thus, have attracted widespread attention. [0003] Molybdenum disulfide (MoS 2 ) is a representative metal dichalcogenide that has been used as an electrode material in electrochemical energy storage. Molybdenum disulfide has physical properties similar to graphene, including high ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G11/30H01G11/46H01G11/48H01G11/86
CPCH01G11/30H01G11/46H01G11/48H01G11/86Y02E60/13
Inventor 张小燕任仕曼韩同伟贺书福沃新星
Owner JIANGSU UNIV
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