Synthesis method and application of metal sulfide material based on coated porphyrin

A synthesis method and packaged technology, applied in electrical components, battery electrodes, circuits, etc., can solve problems such as high cost and restrictions on the rapid development of new energy fuel cells, so as to improve catalytic activity, improve energy utilization efficiency, and solve catalyst problems Effect

Inactive Publication Date: 2020-06-30
JIANGSU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Due to the high cost of industrial precious metal Pt / C catalysts, the rapid development of new energy fuel cells is limited

Method used

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  • Synthesis method and application of metal sulfide material based on coated porphyrin
  • Synthesis method and application of metal sulfide material based on coated porphyrin
  • Synthesis method and application of metal sulfide material based on coated porphyrin

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Experimental program
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Embodiment (1

[0035] Embodiment (1) Synthesis of PorM@ZIF-67

[0036]Weigh 2-methylimidazole (2-MeIm, 0.33mmol, 27mg), zinc nitrate hexahydrate (Zn(NO3)2 6H2O, 0.28mmol, 83mg) and an aminoporphyrin (PorM, 0.016mmol), three The compound was placed in a 48mL pressure-resistant bottle, and 7.5mL of DMF was added, and then sonicated for 15min to dissolve the mixture completely and mix well. After the sonication, the pressure bottle containing the reactants was placed in a constant temperature oven, and the reaction time was 36 hours at a temperature of 135°C. After the hydrothermal reaction is over, transfer the MOFs and mother liquor generated in the pressure bottle to a 10mL centrifuge tube, set the centrifuge speed to 8000rbs, and wash with DMF until the UV-visible spectrum in the test washing solution does not contain up to the absorption peak of porphyrin, and then washed with ethanol for 3 times, and then dried in a vacuum oven at 70°C for 12 hours to obtain 4 kinds of powder solid PorM@...

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Abstract

The invention belongs to the field of preparation of metal organic materials, and particularly relates to a synthesis method and application of a metal vulcanized material based on coated porphyrin. According to the invention, an organic material and an inorganic material are combined; the porphyrin-coated metal organic framework PorM (at) ZIF-67 (M is H, Mn, Fe or Co) material is synthesized by adopting a 'ship building in bottles' method; the ORR catalytic activity of the (CoxMy) S/N-C (M = H, Mn, Fe, Co) material which is formed after carbonization and vulcanization and is rich in carbon, nitrogen and metal sulfide is researched; the the (CoxMy) S/N-C (M = H, Mn, Fe, Co) material shows efficient catalytic activity in an ORR test, and the average value of the electron transfer number reaches 3.8, which indicates that the reaction is mainly carried out in a 4-electron mode in the ORR reaction. The (CoxMny) S/N-C material only uses non-noble metal cobalt and manganese and can replace anoble metal Pt/C catalyst, so that the catalyst problem of the new energy fuel cell is effectively solved, the cost is reduced, and the energy utilization efficiency is also improved.

Description

technical field [0001] The invention belongs to the field of preparation of metal-organic materials, especially the combination of porphyrin organic compounds and metal-organic frameworks, and specifically relates to a synthesis method of metal sulfide materials based on encapsulated porphyrins, and the application of electrochemical oxygen catalysis. Background technique [0002] The development of society and the progress of human civilization have led to changes in people's consciousness. Environmental protection and sustainable development are the only way for the next social development. Although the current power generation technology is becoming more and more perfect, there are still many limiting factors: wind power, hydropower, solar power and other sustainable natural energy power generation are limited by many natural conditions and cannot be popularized and used throughout the country; The main raw material used for power generation is coal, a non-renewable resou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/88H01M4/90
CPCH01M4/8825H01M4/90H01M4/9083H01M2004/8689Y02E60/50
Inventor 黄来海朱国良荣坚邱凤仙房媛媛
Owner JIANGSU UNIV
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