Preparation and Application of Covalent Organic Framework/Titanium Carbide Nanosheet Composite

A technology of covalent organic framework and composite materials, which is applied in the preparation of electrode materials and the preparation of covalent organic framework/Ti3C2 nanosheet composite materials, which can solve problems such as complex process, high safety requirements, and unstable structure
CN109244388BActive Publication Date: 2021-05-11TONGJI UNIV
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
TONGJI UNIV
Publication Date
2021-05-11

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Abstract

The invention relates to the preparation and application of a covalent organic framework / titanium carbide nanosheet composite material, and belongs to the technical field of development and research of new energy materials. 3 C 2 Nanosheets are mixed with organic monomers and solid catalysts, sealed in a evacuated quartz tube, and covalent organic framework / Ti is obtained by ionothermal method 3 C 2 Nanosheet composites. will covalent organic framework / Ti 3 C 2 The nanosheet composite material is loaded with sulfur and then coated on aluminum sheet as the working electrode of the battery. The metal lithium sheet is used as the counter electrode and the reference electrode, the organic microporous film is used as the separator, and the organic solution is used as the electrolyte. The coin cell battery is assembled in the gas glove box. Compared with the prior art, the present invention can be used as a two-dimensional electrode material, widely used in energy fields such as lithium-sulfur batteries, and has excellent charge / discharge performance.
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Description

technical field

[0001] The invention relates to a preparation method and application of an electrode material, in particular to a covalent organic framework / Ti 3 C 2 The preparation method of nanosheet composite material and its application in lithium-sulfur batteries belong to the technical field of development and research of new energy materials. Background technique

[0002] Lithium-ion batteries are the main energy storage batteries widely used in today's society, and their stable power output and good battery life make them suitable for the energy needs of portable electronic devices. However, with the continuous depletion of fossil energy and the increasing emphasis on ecological and environmental protection, social development has an increasing demand for rechargeable vehicles and large-scale new power grids. New batteries with low cost, high specific energy density and long cycle life The research and development of equipment has become the key to the field of ene...

Claims

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