Method for green hydro-thermal synthesis of NiMn-MOF / NF electrode from waste plastics and application of NiMn-MOF / NF electrode

The preparation of NiMn-MOF/NF electrodes through green hydrothermal method solves the problems of complex traditional catalyst preparation processes and environmental pollution, realizes the upgraded recycling of waste plastics and efficient catalysis of urea electrooxidation reaction, and reduces energy consumption and cost.

CN119707039APending Publication Date: 2025-03-28CHANGZHOU UNIV
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Patent Information

Application Number
CN202411889283.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The catalyst preparation process used in traditional electrocatalytic urea oxidation reactions is complex and poses a threat to environmental pollution, and has high energy consumption.

Method used

The waste plastic is degraded by green hydrothermal method to prepare a metal-organic frame/NF electrode, which is used to catalyze the urea electrooxidation reaction and form a NiMn-MOF/NF electrode. This method does not use toxic and harmful organic solvents, reduces environmental pollution and realizes the upgraded recycling of waste plastics.

Benefits of technology

It significantly reduces the overpotential, improves energy efficiency, reduces costs, realizes waste reuse, provides a new energy-saving and environmentally friendly way, and provides an efficient catalyst for electrocatalytic urea oxidation.

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Abstract

The invention belongs to the technical field of catalytic electrodes for electro-catalytic urea oxidation reaction, and particularly relates to a method for green hydro-thermal synthesis of a NiMn-MOF / NF electrode from waste plastics and application of the NiMn-MOF / NF electrode. The preparation method comprises the following steps: (1) preparing a metal salt solution; (2) adding an alkaline substance; (3) adding foamed nickel and PET plastic; (4) putting into a reaction kettle, and carrying out hydrothermal reaction; and (5) washing and drying are carried out, such that the NiMn-MOF / NF electrode is obtained. The NiMn-MOF / NF electrode is synthesized through a green hydrothermal synthesis method, the urea electrooxidation performance is improved by optimizing the Ni / Mn proportion, and high-value recycling of the PET waste plastic is achieved.
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