Preparation method of metal-organic framework carbon nanotube hybrid desalination electrode

A technology of carbon nanotubes and organic frameworks, which is applied in the field of preparation of metal-organic framework carbon nanotube hybrid desalination electrodes, can solve the problems of polypyrrole nanotube preparation process complexity, low pore utilization rate, and low conductivity, and achieve The specific surface area and conductivity are controllable, easy to obtain, and the effect of improving conductivity
CN110451615AActive Publication Date: 2019-11-15HOHAI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HOHAI UNIV
Publication Date
2019-11-15

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Abstract

The invention discloses a preparation method of a metal-organic framework carbon nanotube hybrid desalination electrode. The preparation method comprises following steps: mixing different cobalt salts, carboxylated carbon nanotubes, and an organic ligand solution; carrying out centrifugation, washing and drying to obtain a hybrid electrode material; evenly mixing the material with acetylene blackand a polyvinyl alcohol solution, painting the mixed solution on graphite paper, and drying the graphite paper to obtain the hybrid desalination electrode. The preparation method has following advantages: (1) the provided preparation method is simple and is easy to operate, the reaction process is easy to control, the conductive agent namely carbon nanotubes is easy to obtain, and the preparationmethod is suitable for large scale production; (2) the conductive performance of obtained hybrid material is improved, and thus the desalination performance of the hybrid material is enhanced; and (3)the ratio of the metal-organic framework to the carbon nanotubes can be adjusted so as to control the specific surface area and conductivity of the hybrid material.
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Description

technical field

[0001] The invention relates to the technical field of capacitor desalination electrode manufacture, in particular to a preparation method of a metal-organic frame carbon nanotube hybrid desalination electrode. Background technique

[0002] Capacitive desalination technology, namely capacitive deionization technology, also known as electroadsorption, is a new desalination technology based on the principle of electric double layer. It has the advantages of high desalination efficiency, low energy consumption, and environmental friendliness. The development of material technology and the new type of saltwater desalination technology that has been paid more and more attention.

[0003] At present, about one tenth of the world's population has no access to clean drinking water, and since the beginning of the new century, the problem of water shortages has intensified. It is urgent to comprehensively change the way of water resources utilization and actively deve...

Claims

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