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Nitrogen-doped carbon nanotube/molybdenum disulfide nanosphere composite material and preparation method thereof

A molybdenum disulfide and nitrogen-doped carbon technology is applied in the manufacture of hybrid/electric double-layer capacitors, electrodes of hybrid capacitors, etc., which can solve the problems of volume change, affecting life and electrical conductivity, and complex preparation process.

Inactive Publication Date: 2017-01-11
JIANGSU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, during the charging and discharging process, its own volume will change due to the intercalation and intercalation of lithium ions, which will affect its lifespan and conductivity.
[0005] In the existing technology, the preparation process of nitrogen-doped carbon nanotubes is relatively complicated, the cost is high, and the production process is not easy to control, which affects the electron transport performance and chemical stability of carbon nanotubes.

Method used

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  • Nitrogen-doped carbon nanotube/molybdenum disulfide nanosphere composite material and preparation method thereof
  • Nitrogen-doped carbon nanotube/molybdenum disulfide nanosphere composite material and preparation method thereof
  • Nitrogen-doped carbon nanotube/molybdenum disulfide nanosphere composite material and preparation method thereof

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Embodiment Construction

[0024] The embodiment of the present invention is a preparation method with simple process, relatively low cost and green environmental protection. Nitrogen-doped carbon nanotubes are prepared by high-temperature method, and then nitrogen-doped carbon nanotubes / three-dimensional flower-shaped are synthesized by hydrothermal method. Molybdenum disulfide composite material has 1D / 3D composite morphology characteristics, which greatly improves the specific capacity and cycle stability of the material.

[0025] The invention relates to a preparation method of a nitrogen-doped carbon nanotube / three-dimensional flower-shaped molybdenum disulfide nanosheet composite material with excellent electrochemical performance, comprising the following steps:

[0026] (1) Weigh 100 mg of carbon nanotubes (CNTs) and 100 mg of sodium dodecylbenzene sulfonate (SDBS), add them to 200 ml of deionized water, continue magnetic stirring for 2 hours, then sonicate for 1 hour, then add 5 g of urea, Stir...

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Abstract

The invention relates to a carbon nanotube / molybdenum disulfide nanosphere composite material and a preparation method thereof. The preparation method comprises the steps of firstly preparing a nitrogen-doped carbon nanotube, and then reacting to generate a nitrogen-doped carbon nanotube / flower-like molybdenum disulfide nanosphere composite material. The composite material serves as a super-capacitor electrode material and shows excellent electrochemical performance. In addition, the preparation process is simple, green and environmental protection, serves as a new energy material and has great potential applications in the field of equipment such as a super-capacitor and a lithium ion battery.

Description

technical field [0001] The invention relates to a carbon nanotube / molybdenum disulfide nanosphere composite material and a preparation method thereof; first, nitrogen-doped carbon nanotubes are prepared, and then reacted to form nitrogen-doped carbon nanotubes / flower-like molybdenum disulfide nanospheres Composite material; as a supercapacitor electrode material, the composite material exhibits excellent electrochemical performance, and the preparation process is simple and environmentally friendly. As a new energy material, it has huge potential applications in the fields of supercapacitors, lithium-ion batteries and other equipment. Background technique [0002] As an advanced energy storage device, a supercapacitor is an energy storage element between a battery and an electrostatic capacitor. It has a much higher power density than an electrostatic capacitor. It is not only suitable for short-term power output, but also It can take advantage of its high specific power, la...

Claims

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Application Information

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IPC IPC(8): H01G11/30H01G11/36H01G11/86
CPCY02E60/13H01G11/30H01G11/36H01G11/86
Inventor 严学华陈明戴煜任杰沙大巍王静静王亚平
Owner JIANGSU UNIV
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