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Device for synthesising metal matrix powder material and high-flux synthesis method thereof

A powder material and metal-based technology, applied in the field of metal powder preparation, can solve the problems that hinder the development cycle of new materials and consume a lot of time, and achieve the effect of accelerating exploration and improving experimental efficiency

Active Publication Date: 2016-09-14
TIANJIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the currently commonly used wet chemical synthesis methods can only cover one synthesis condition at a time. Therefore, in order to obtain the influence of the system's proce

Method used

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  • Device for synthesising metal matrix powder material and high-flux synthesis method thereof
  • Device for synthesising metal matrix powder material and high-flux synthesis method thereof

Examples

Experimental program
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Example Embodiment

[0029] Example 1

[0030] This embodiment relates to the preparation of a metal-based powder material, which specifically includes the following steps:

[0031] Add H at a concentration of 20mg / 50mL to the three inlets 2 PtCl 6 The solution is used as a metal precursor solution with a concentration of 5mg / mL NaBH 4 The solution acts as a reducing agent and deionized water acts as a solvent. The metal precursor solution, the reducing agent solution and the solvent are mixed into the reaction liquid through the horizontal flow channel, and then diffused to the liquid outlet and flowed into each reactor through the liquid flow channel in turn. Turn on the heater to make the output temperature of the heater 50 After reacting at ℃ for 24 hours, it was dried to obtain powder metallic platinum material in each reactor.

Example Embodiment

[0032] Example 2

[0033] This embodiment relates to the preparation of a metal-based powder material, which specifically includes the following steps:

[0034] Add Pt(acac) with a concentration of 0.05mM to the three liquid inlets 2 And 0.03mM Ir(acac)3 as the metal precursor solution, W(CO) with a concentration of 0.15mM 6 The solution is used as a reducing agent and contains a mixed solution of oleylamine and oleic acid (the volume ratio of oleylamine and oleic acid is 8:2) as a solvent. After mixing the metal precursor solution, reducing agent solution, and solvent through a horizontal flow channel to form a reaction liquid, it diffuses to the liquid outlet and flows into each reactor through the liquid flow channel in turn. Turn on the heater to make the heater output temperature After 4 hours of reaction at 280°C, it was dried to obtain platinum-iridium alloy powder materials in each reactor.

[0035] In summary, the present invention uses the repeated splitting and merging ...

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Abstract

The invention provides a device for synthesising a metal matrix powder material and a high-flux synthesis method thereof. The device comprises a base plate and a heater, wherein the base plate comprises a concentration gradient generation part and a temperature gradient generation part; the heater is arranged at the bottom of the temperature gradient generation part; the cross section of the temperature gradient generation part is in the shape of a right trapezoid; x liquid inlets are arranged in the outer end part of the concentration gradient generation part, and divergently extend inwards in a dendritic form; y liquid outlets are arranged in the inner end part of the concentration gradient generation part, and extend towards the temperature gradient generation part to form y liquid flow channels; and a plurality of reactors are arranged in each liquid flow channel. Compared with the prior art, the device and the high-flux synthesis method, which are provided by the invention, have the following beneficial effect: 1. series concentration gradients can be automatically generated in one experiment by virtue of the repeated splitting and merging of micro-fluids, thus a cumbersome process of manually preparing reaction solutions with different concentrations is greatly omitted.

Description

technical field [0001] The invention relates to a device for synthesizing metal-based powder materials and a high-throughput synthesis method thereof, belonging to the technical field of metal powder preparation. Background technique [0002] Wet chemical method is an important technique for preparing powder materials. Such as the Chinese patent of publication number 105345028A " a kind of production method of single-batch large-scale synthetic nano-silver powder " records the method utilizing wet chemical method to synthesize nano-silver powder, comprises steps: 1) configure colloidal solution; 2) add glucose, dissolve; 3) The silver nitrate is configured into a silver ammonium complex ion solution; 4) the obtained silver ammonium complex ion solution is added to the colloid solution in which glucose is dissolved for reaction. The Chinese patent "A Method for Preparing Noble Metal Powder" with publication number 105149609A describes a method for preparing noble metal powde...

Claims

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Application Information

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IPC IPC(8): B22F9/24
CPCB22F9/24
Inventor 钟澄宋志双胡文彬
Owner TIANJIN UNIV
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