Preparation method of ternary carbide nanobelt

A ternary carbide and nanobelt technology, applied in the field of nanomaterials, can solve the problems of low bonding performance and friction performance, high equipment requirements, long cycle time, etc., achieve large specific surface area and surface activity, and low equipment requirements. , the effect of low cost

Inactive Publication Date: 2017-07-14
KUNMING UNIV OF SCI & TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, when applied to energy storage devices, large-sized bulk MAX phase materials have many inconveniences. At the same time, when used as a reinforcing agent or additive in the field of friction, large-sized MAX phase materials have relatively low bonding performance and friction performance. Therefore, the preparation of nano Grade MAX phase materials are especially important
At present, the method of preparing nano-scale MAX phase materials is mainly ball milling-ultrasonic stripping method, but the preparation method is cumbersome, high energy consumption, long cycle time, and high requirements for equipment, so a new nano-scale MAX phase is designed and developed. The preparation method of the material is of great significance

Method used

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  • Preparation method of ternary carbide nanobelt
  • Preparation method of ternary carbide nanobelt
  • Preparation method of ternary carbide nanobelt

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] Weigh a certain amount of MAX and put it into a plastic bottle, then use a graduated cylinder to measure 120mL of the prepared alkali solution and put it into a plastic bottle containing MAX, then pass a protective atmosphere (nitrogen, argon, helium can be selected) into the bottle One or several mixed gases) until the air in the plastic bottle is driven away, and finally the plastic bottle is sealed with a sealing film and then shaken at a constant temperature until the reaction is completed, and then the reaction mixture is separated by centrifugation or suction filtration. The separated material is washed with high-purity water or deionized water, and the washed material is vacuum-dried or air-dried to remove moisture, wherein the vacuum-drying temperature does not exceed 100°C. Specific examples are shown in Table 1.

[0023] The reaction conditions of table 1 embodiment 1~10

[0024]

[0025] Analysis explanation: After experimental testing and systematic char...

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Abstract

The invention discloses a preparation method of a ternary carbide nanobelt, and belongs to the field of nano material. The preparation method comprises following steps: a certain amount of a MAX phase material is reacted with an alkaline solutions; and separation, washing, and drying are carried out so as to obtain the ternary carbide nanobelt. The preparation method is simple; requirement on equipment is low; no expensive equipment is needed; the preparation method is green, and is friendly to the environment. The obtained ternary carbide nanobelt possesses a unique morphology structure, excellent electrical conductivity and mechanical properties, high surface chemical reaction activity, and excellent self lubricating performance and friction performance, can be adopted in energy storage field and friction field effectively, and possesses high practical value.

Description

technical field [0001] The invention relates to a preparation method of a ternary carbide nanobelt, which belongs to the field of nanomaterials. Background technique [0002] In recent years, a material called the MAX phase combines the excellent properties of metals and ceramics. It has good thermal and electrical conductivity, plasticity, electrochemical properties, self-lubricating properties, and wear resistance, so MAX phase materials can be widely used in the fields of energy storage and friction. However, when applied to energy storage devices, large-sized bulk MAX phase materials have many inconveniences. At the same time, when used as a reinforcing agent or additive in the field of friction, large-sized MAX phase materials have relatively low bonding performance and friction performance. Therefore, the preparation of nano Grade MAX phase materials are particularly important. At present, the method of preparing nano-scale MAX phase materials is mainly ball milling-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B32/90B82Y40/00
CPCC01P2002/72C01P2004/03C01P2004/04C01P2004/17
Inventor 廉培超刘红红李华王波王倩梅毅
Owner KUNMING UNIV OF SCI & TECH
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