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Graphene zinc sulfide nanoparticle composites and preparation method

A technology of zinc sulfide and composite materials, applied in the field of graphene zinc sulfide nanoparticle composite materials and their preparation, to achieve the effects of excellent conductive network, strong repeatability and simple synthesis method

Inactive Publication Date: 2017-05-17
吴中区穹窿山天仲高分子材料技术研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are few reports on zinc sulfide electrode materials.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A graphene zinc sulfide nanomaterial is spherical particles with uniform shape and size, has a core-shell structure of graphene-coated zinc sulfide, and the particle diameter of the core-shell structure is 50nm.

[0020] A preparation method of graphene zinc sulfide nano particle composite material, comprising the following steps:

[0021] (1) Put a 250ml three-necked flask in an ice-water bath, add 80ml of concentrated sulfuric acid, 2g of graphite, and 1g of sodium nitrate in sequence, and stir for 1 hour; while keeping the temperature below 10°C, slowly add 3g of potassium permanganate into the flask 2) Slowly add 6g of potassium permanganate to the flask while keeping the temperature below 20°C, heat to 35°C after the addition, and keep stirring for 60 minutes; Add 90ml of distilled water, heat up to 80°C, keep stirring for 30 minutes; add 7ml of 30% hydrogen peroxide and 55ml of distilled water to the solution, and let it stand for 12 hours; 3) Use 3% dilute hydroc...

Embodiment 2

[0025] A graphene zinc sulfide nanomaterial is spherical particles with uniform shape and size, has a core-shell structure of graphene-coated zinc sulfide, and the particle diameter of the core-shell structure is 100nm.

[0026] A preparation method of graphene zinc sulfide nano particle composite material, comprising the following steps:

[0027] (1) Put a 250ml three-necked flask in an ice-water bath, add 80ml of concentrated sulfuric acid, 2g of graphite, and 1g of sodium nitrate in sequence, and stir for 1 hour; while keeping the temperature below 10°C, slowly add 3g of potassium permanganate into the flask 2) Slowly add 6g of potassium permanganate to the flask while keeping the temperature below 20°C, heat to 35°C after the addition, and keep stirring for 60 minutes; Add 90ml of distilled water, heat up to 80°C, keep stirring for 30 minutes; add 7ml of 30% hydrogen peroxide and 55ml of distilled water to the solution, and let it stand for 12 hours; 3) Use 3% dilute hydro...

Embodiment 3

[0031] A graphene zinc sulfide nanomaterial is spherical particles with uniform shape and size, has a core-shell structure of graphene-coated zinc sulfide, and the particle diameter of the core-shell structure is 50nm.

[0032] A preparation method of graphene zinc sulfide nano particle composite material, comprising the following steps:

[0033] (1) Put a 250ml three-neck flask in an ice-water bath, add 80ml of concentrated sulfuric acid, 2g of graphite, and 1g of sodium nitrate in sequence, and stir for 1 hour; while keeping the temperature below 10°C, slowly add 3g of potassium permanganate into the flask 2) Slowly add 6g of potassium permanganate to the flask while keeping the temperature below 20°C, heat to 35°C after the addition, and keep stirring for 60 minutes; Add 90ml of distilled water, heat up to 80°C, keep stirring for 30 minutes; add 7ml of 30% hydrogen peroxide and 55ml of distilled water to the solution, and let it stand for 12 hours; 3) Use 3% dilute hydrochl...

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Abstract

The invention provides a graphene zinc sulfide nanoparticle composite material and preparation method which relates to the electrode material technical field, the graphene zinc sulfide nanoparticle material is a spherical particle of uniform shape and size and structure of the shell with graphene covering zinc sulfide. The particle diameter is 50-100nm. The graphene zinc sulfide nanoparticle composite material and preparation method has the advantages of simple structure and strong repeatability, the zinc sulfide nanoparticle is disperse evenly in the grapheme, the electrical conductivity is improved and the high the specific capacitance and good circulation stability is provided.

Description

technical field [0001] The invention relates to the technical field of electrode materials, in particular to a graphene zinc sulfide nanoparticle composite material and a preparation method thereof. Background technique [0002] The metal ions of transition metal sulfides MxSy (M=Cu, Mn, Co, Ni, Fe, Mo, Bi) have 3d valence electron shells, which may have special photoelectromagnetic properties, so they are widely used in photocatalysis, solar energy control Materials, fuel cells, lithium batteries, superconductors and other fields are one of the important directions of material research today. Transition metal sulfides may replace noble metals as catalysts for redox reactions in the field of fuel cells; in the field of lithium batteries, transition metal sulfides with a layered structure are very good electrode materials; in addition, transition metal sulfides are used in solar energy absorption Applications in materials have also been extensively studied. [0003] In rece...

Claims

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Application Information

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IPC IPC(8): H01G11/86H01G11/24H01G11/30H01G11/36B82Y30/00B82Y40/00
CPCY02E60/13H01G11/86B82Y30/00B82Y40/00H01G11/24H01G11/30H01G11/36
Inventor 周春毅
Owner 吴中区穹窿山天仲高分子材料技术研究所
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