Method for preparing graphene-like material from furfural resin, graphene-like material and use thereof

Abstract

The invention discloses a method for preparing a graphene-like material from a furfural resin. Through a pyrolysis method, the recyclable and degradable bio-resin furfural resin obtained from plants as a raw material, under the action of additives and curing agents, After a specific pyrolysis process, a graphene-like material is prepared. By adopting the technical scheme of the present invention, a graphene-like material with a hexagonal or pentagonal network two-dimensional three-dimensional crystal structure is obtained, because the specific atomic structure has an ultra-high mechanical strength comparable to graphene, and excellent performance beyond graphene , its application can not only replace graphene materials in the fields of heat insulation materials, buffer materials, electronic and mechanical devices, but also solves a major problem that plagues graphene lithium battery materials, especially suitable for lithium metal and lithium ion battery electrodes. Material. The preparation method can realize the low-cost and mass production of the graphene material, so that the material can be applied in batches and has significant economic benefits.

Description

technical field [0001] The invention relates to the technical field of material preparation, in particular to a method for preparing a graphene-like material from furfural resin, and at the same time, it also relates to the graphene-like material obtained by the method and its application. Background technique [0002] Graphene is a two-dimensional crystal that is stripped from graphite materials and composed of carbon atoms with only one atomic thickness. Love, successfully separated graphene from graphite, confirming that it can exist alone. Graphene is currently the thinnest and highest-strength material in nature. Its breaking strength is 200 times higher than that of the best steel. It is completely transparent, absorbs only 2.3% of light, and is so dense that even the smallest gas atoms (helium atoms) cannot penetrate, so it is widely used in electronics, optics, magnetism, biomedicine, energy storage One of the cutting-edge materials with the most application potent...

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Problems solved by technology

[0003] As a "miracle material", graphene has very attractive application prospects. my country's research progress on graphene materials is at the forefront of the world. In recent years, in the fields of flexible touch screens and composite materials, graphene materials have first appeared in the industry. In the dawn of time, research hotspots have formed in the fields of energy storage, sensors, chips and other electronic devices. However, in the field of graphene batteries, due to the nature of the hexagonal two-dimensional graphene material itself with nanometer high specific surface area and other properties, it is incompatible with the technical system of the current lithium-ion battery industry. incompatibility issues, resulting in limited applications in lithium-ion batteries

[0004] In addition, the technical difficulty in the preparation of graphene is the biggest "stumbling block" preventing graphene from realizing its potential value

Professors at the University of Manchester have extracted graphene for the first time, directly from graphite, but this primitive method is impossible for large-scale industrial production; recently Heim and team members have accidentally discovered a simple and easy A new method of preparing graphene, by placing graphite flakes in plastic tape, folding the tape to stick to both sides of the graphite flakes, tearing the tapes, the flakes are then divided into two, and repeating this process, you can get more and more thinner graphite flakes, but this method is difficult to achieve mass production

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