Unlock instant, AI-driven research and patent intelligence for your innovation.

Apparatus and method for efficient electrodeposition of ultra-high-purity metals in aqueous electrolytes

An electrolyte and pure metal technology, applied in the field of electrodeposited metal, can solve the problems of unstable electrolyte concentration and high temperature, and achieve the effects of easy control, convenient operation and large grain size

Active Publication Date: 2019-07-02
NORTHEASTERN UNIV LIAONING
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In these electrodeposition methods, the temperature is relatively high, which will inevitably cause the electrolyte concentration to be unstable.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Apparatus and method for efficient electrodeposition of ultra-high-purity metals in aqueous electrolytes
  • Apparatus and method for efficient electrodeposition of ultra-high-purity metals in aqueous electrolytes
  • Apparatus and method for efficient electrodeposition of ultra-high-purity metals in aqueous electrolytes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A device for high-efficiency electrodeposition of ultra-high-purity metals in aqueous electrolytes, the schematic diagram of which is shown in figure 1 , comprising a cathode 2, an anode 3, a diaphragm electrolyzer 1 and a power supply 5; a diaphragm 4 is arranged in the diaphragm electrolyzer, and the diaphragm 4 divides the diaphragm electrolyzer 1 into a cathode chamber and an anode chamber, and the cathode chamber is provided with a cathode 2 and an anode The chamber is provided with an anode 3, and the cathode and the anode are connected through a power supply 5; the cathode chamber and the anode chamber are communicated through an external purification device 6;

[0038] The cathode 2 is composed of an ultra-4.5N high-purity cobalt metal box-type electrode plate 2-1 with three built-in spiral leads 2-2. The schematic diagram of its structure is shown in figure 2 ; The spiral lead wire 2-2 is a spiral coil formed of stainless steel wire with a wire diameter of 0.5...

Embodiment 2

[0050] A device for high-efficiency electrodeposition of ultra-high-purity metals in an aqueous electrolyte, the same as in Example 1.

[0051] A method for efficient electrodeposition of ultra-high-purity metals in an aqueous electrolyte, the same as in Example 1, the difference is:

[0052] (1) The deposition time is 15h.

[0053] The purity of the electrodeposition product can reach 4.5-5N, the mass of the deposit is 180g, and the current efficiency is 87%.

Embodiment 3

[0055] A device for high-efficiency electrodeposition of ultra-high-purity metals in an aqueous electrolyte, the same as in Example 1.

[0056] A method for efficient electrodeposition of ultra-high-purity metals in an aqueous electrolyte, the same as in Example 1, the difference is:

[0057] (1) The current density is 300A / m 2 .

[0058] The purity of the electrodeposition product can reach 4.5-5N, the mass of the deposit is 285g, and the current efficiency is 86%.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
diameteraaaaaaaaaa
purityaaaaaaaaaa
diameteraaaaaaaaaa
Login to View More

Abstract

A device and method for efficient electrodeposition of ultra-high purity metals in aqueous electrolytes, belonging to the technical field of electrodeposition metals. The device includes a cathode, an anode, a diaphragm electrolytic cell and a power supply; the cathode is composed of an ultra-high purity metal box-type electrode plate with built-in spiral leads; the spiral leads are formed of conductive wires with a wire diameter of 0.5 to 2 mm. The spiral coil has a diameter of 5 to 20 mm, and the turn density of the conductive wire is 1 to 5 turns / cm. The method is as follows: according to the ultra-high purity metal to be prepared, a corresponding high-purity metal aqueous salt solution is prepared as an electrolyte; a device for efficient electrodeposition of ultra-high purity metal in an aqueous solution electrolyte is used to perform constant current density at 25 to 30°C After electrodeposition, stripping, rinsing, and drying, ultra-high purity metal is obtained. This method uses a new type of cathode. During the electrodeposition process, the micromagnetic field and temperature field generated by the cathode itself can quickly deposit ultra-high-purity metals with large grains and high purity.

Description

technical field [0001] The invention relates to the technical field of electrodeposited metals, and mainly relates to a device and method for efficiently electrodepositing ultra-high-purity metals in an aqueous solution electrolyte. Background technique [0002] The development of high-purity metals is closely related to the development of modern industry and science and technology. The rapid development of atomic energy, electronics, aviation, aerospace and semiconductor industries has continuously increased the requirements for the purity of metals. Electrodeposition in aqueous solution is one of the main methods for the preparation of high-purity metals. In the aqueous solution electrodeposition method, soluble anodes or inert anodes are usually used to achieve the effect of metal refining and purification by electrolyzing the aqueous solution of ultra-high-purity salt or controlling the deposition potential to remove impurities. There are two main factors affecting the...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C25C7/02C25C1/00
CPCC25C1/00C25C7/02Y02P10/20
Inventor 谢宏伟赵岩王锦霞尹华意宋秋实宁志强于凯
Owner NORTHEASTERN UNIV LIAONING