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Porous metal foil as well as preparation method and application thereof

A porous metal and metal foil technology, applied in the field of porous metal foil and its preparation, can solve the problems of complex preparation process, environmental hazards, high cost, etc., and achieve the effect of simple and easy method, low equipment requirements, and improved utilization rate

Active Publication Date: 2020-06-09
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These methods will use polluting chemical substances, causing harm to the environment, and the current preparation process is complicated and costly

Method used

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  • Porous metal foil as well as preparation method and application thereof
  • Porous metal foil as well as preparation method and application thereof
  • Porous metal foil as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A preparation method of porous copper foil: put the copper foil into a solution composed of 20mL ethylene glycol and 1.36g zinc chloride, -2 Electroplating at a current density of 20 minutes to obtain a layer of metallic zinc, then heating at 200°C for 3h under vacuum conditions, and finally heating at 600°C for 2h, the porous copper foil can be prepared.

[0034] figure 1 is the XRD of porous copper foil. figure 2 and image 3 It is the SEM of porous copper foil. It shows that high-purity, porous copper foil is synthesized.

Embodiment 2

[0036] A kind of preparation method of porous aluminum foil: copper foil is put into the solution that 50mL propylene carbonate and 2.11g magnesium sulfate are formed, with 5mA cm -2 Electroplating at a current density of 10 minutes to obtain a layer of metal magnesium, then heating at 300°C for 2h under vacuum conditions, and finally heating at 800°C for 1h, the porous aluminum foil can be prepared.

Embodiment 3

[0038] A preparation method of porous titanium foil: put the copper foil into a solution composed of 100mL isopropanol and 4.21g zinc citrate, with 0.8mA cm -2 Electroplating at a current density of 120 minutes to obtain a layer of metal zinc, then heating at 100°C for 4h under vacuum conditions, and finally heating at 500°C for 5h, the porous titanium foil can be prepared.

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Abstract

The invention relates to a porous metal foil as well as a preparation method and an application thereof. The method comprises the following steps of introducing a metal foil into an electroplating solution, and electrifying to form an electroplating layer on the surface of the metal foil; placing the metal foil loaded with the electroplating layer in a vacuum furnace, and sequentially carrying outtwo-stage heating treatment on the metal foil loaded with the electroplating layer under the condition of vacuum to obtain the porous metal foil. The pore size structure of the prepared porous metalfoil is controllable. The preparation method is simple, feasible, low in cost and small in pollution. The pore size distribution of the porous metal foil can be adjusted conveniently. The obtained metal foil has a thickness of 5 to 200 [mu]m and an average pore size of 100 nm to 10 [mu]m.

Description

technical field [0001] The invention belongs to the technical field of porous metal material preparation, and in particular relates to a porous metal foil and its preparation method and application. Background technique [0002] The information disclosed in this background section is only intended to increase the understanding of the general background of the present invention, and is not necessarily taken as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. [0003] Porous metal materials have high strength, low density, low modulus, high temperature oxidation resistance, carbonization resistance and corrosion resistance, and have high specific surface area, continuously adjustable pore size, regular and orderly channel structure, etc. advantage. Therefore, it is widely used in filtration, heat insulation, noise reduction, catalysis and other processes in environmental protection, medicine,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D7/06C25D3/22C25D3/42C25D5/50C23F4/02
CPCC23F4/02C25D3/22C25D3/42C25D5/505C25D7/0614
Inventor 冯金奎安永灵田园
Owner SHANDONG UNIV
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