A method for preparing metal particles by continuous electrochemical deposition

A technology of metal particles and electrodeposition, applied in the direction of electrolytic components, electrolytic process, nanotechnology, etc., can solve the problems of high production cost and difficult industrialization prospect
CN110760892BActive Publication Date: 2020-10-27TSINGHUA UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
TSINGHUA UNIV
Publication Date
2020-10-27

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Abstract

A method for preparing metal particles by continuous electrochemical deposition. The main steps of the method include: firstly, electrodepositing uniformly dispersed metal particles on a movable substrate by controlling the electrodeposition parameters; and then carrying the electrodeposited metal particles on the movable substrate. The substrate and the above materials are cleaned or surface treated; finally, the particles on the surface of the substrate are peeled off by physical stripping and other methods, and the particles are dispersed in the solution for collection. The advantages of the present invention are that metal particles with uniform particle size, uniform dispersion and no surface active agent are prepared by means of electrodeposition electron reduction, and the contact force between the particles and the substrate is small, and the particles can be collected by simple physical peeling. The size of the diameter is controllable, and the electrolyte can be reused. Compared with the traditional method of synthesizing metal particles, the cost is low and the size is controllable.
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Description

technical field

[0001] The invention relates to the field of synthesis of metal particles, specifically, the invention relates to metal particles with low contact force and a method for preparing the corresponding metal particles by adjusting the particle size through continuous electrochemical deposition. Background technique

[0002] Metal particle materials are an important part of metal materials. In recent years, with the discovery of various novel properties of metal particles, the field of metal particles has achieved vigorous development and has become a key basic material for the preparation of various new functional materials. The development of preparation methods for metal particles is the basis for the development of metal science. Traditionally, there are two main ways to prepare metal particles: one is chemical method, including liquid phase reduction method, high temperature pyrolysis method and so on. The liquid-phase reduction method includes hydrothermal,...

Claims

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