Preparation method for NiCoP nano material

A technology of nanomaterials and distilled water, which is applied in the field of preparation of NiCoP nanomaterials, can solve the problems of difficult synthesis of bimetallic phosphides, high reaction temperature, and unsafety, and achieve good adsorption and removal performance, low reaction temperature, and low energy consumption Effect

Inactive Publication Date: 2015-07-01
SHAANXI UNIV OF SCI & TECH
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Problems solved by technology

However, since the double metal phosphide itself is formed by combining different metal elements equally with the phosphorus source, and the metal elements themselves have different properties, which makes the synthesis of the double metal phosphide more difficult than the single metal phosphide. Prepared by the mature temperature-programmed reduction method
However, this method has many disadvantages, such as high reaction temperature, high energy consumption, and the need to pass an external source of reducing gas H 2 , may cause disadvantages such as unsafe factors

Method used

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  • Preparation method for NiCoP nano material
  • Preparation method for NiCoP nano material

Examples

Experimental program
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Effect test

Embodiment 1

[0024] A preparation method of NiCoP nanomaterials, comprising the following steps:

[0025] 1) Weigh 5.8160g NiCl 2 ·6H 2 O and 5.8210 g CoCl 2 ·6H 2 O was dissolved in a beaker filled with 40mL distilled water, stirred and dissolved to form a uniform and transparent purple-red solution;

[0026] 2) Heat the above solution on a stirrer at a constant temperature of 60°C and stir rapidly until the water is completely removed, stop heating, use residual heat to completely dry the reactant, and grind the obtained product to 200-300 mesh powder for later use;

[0027] 3) transfer the ground powder obtained in step 2) to a porcelain boat, and calcinate in a muffle furnace at 500° C. for 1.5 h to obtain a black powder;

[0028] 4) the black powder that step 3) obtains and 6.3594g NH 4 h 2 PO 2 ·H 2 O mixed well, and in a high temperature tube furnace, under N 2 Heating at 250°C for 1 h under atmosphere to obtain the crude NiCoP product;

[0029] 5) Wash the crude NiCoP nan...

Embodiment 2

[0032] With the 5.8210g CoCl in the step 1) among the embodiment 1 2 ·6H 2 O changed to 4.8540g CoSO 4 ·7H 2 O, other conditions remain unchanged, sulfide impurities appear in the obtained NiCoP nanomaterials.

Embodiment 3

[0034] With the 5.8160g NiCl in the step 1) among the embodiment 1 2 ·6H 2 O and 5.8210 g CoCl 2 ·6H 2 O was changed to 5.2620g Ni(NO 3 ) 2 ·6H 2 O and 6.4780g Co(NO 3 ) 2 ·6H 2 O Other conditions remain unchanged, the obtained NiCoP nanomaterials are mainly NiCoP nanomaterials, but a small amount of cobalt phosphide impurities appear in the product.

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Abstract

The invention discloses a preparation method for a NiCoP nano material. The preparation method comprises the following steps: dissolving a nickel salt and a cobalt salt into a beaker with deionized water in proportion, and stirring until the nickel salt and the cobalt salt are completely dissolved; then, heating and evaporating on the stirrer until the nickel salt and the cobalt salt are completely dried to obtain a product; putting the product into a muffle furnace, and roasting to obtain black powder; sufficiently mixing the black powder with a certain amount of phosphor salt, and heating in the presence of N2 in a high-temperature tubular furnace to react, thereby obtaining a NiCoP nano material crude product; respectively washing the NiCoP nano material crude product with deionized water and absolute ethyl alcohol in sequence, and putting the washed product into a vacuum drying oven, and drying, thereby obtaining the NiCoP nano material. The preparation method has the advantages of being low in energy consumption, low in cost, simple and convenient in reaction condition, high in safety coefficient, and the like.

Description

technical field [0001] The invention relates to the technical field of preparation of double metal phosphide nanometer materials, in particular to a preparation method of NiCoP nanometer materials. Background technique [0002] Transition metal phosphides have attracted widespread attention in recent years due to their unique physical and chemical properties. Especially the outstanding properties in electromagnetism, optics and catalysis make phosphide a research hotspot in recent years. For example, WP, Ni 2 P and CoP have been a research hotspot due to their excellent catalytic hydrogenation, and some have been applied as commercial catalysts. Recently, it has been reported that the addition of Co to lithium battery anode materials 2 P, so that the lithium battery exhibits a very high initial discharge capacity; at the same time, Ni 2 The electrical properties of P surfaces have also been extensively studied. However, compared with monometallic phosphides, bimetallic ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B25/08B82Y30/00
Inventor 刘淑玲刘瑛瑛仝建波尤艳雪
Owner SHAANXI UNIV OF SCI & TECH
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