Preparation method of ultra-large-size titanium carbide nanosheet with wrinkle structure and application of nanosheet in electrochemical energy storage
A technology of ultra-large size and nano-sheets, applied in the application of electrochemical energy storage, the field of preparation of ultra-large-sized titanium carbide nano-sheets, can solve problems such as hindering electrolyte transmission, achieve strong operability, increase specific surface area, and increase channels Effect
Active Publication Date: 2019-06-14
NANJING UNIV OF POSTS & TELECOMM
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Abstract
The invention discloses a preparation method of an ultra-large-size titanium carbide nanosheet with a wrinkle structure. The preparation method comprises the following steps of firstly, preparing an ultra-thin Ti3C2 nanosheet, and then carrying out a hydrothermal reaction on the ultra-thin Ti3C2 nanosheet and Na2S.9H2O to prepare the ultra-large-size Ti3C2 nanosheet with a wrinkle structure, wherein an electrode is prepared on the basis through a vacuum suction filtration technology and the energy storage performance of the electrode is researched. The titanium carbide nanosheet disclosed by the invention has the wrinkle structure, so that the specific surface area is enlarged, and the migration channels of electrolyte ions are increased; the titanium carbide nanosheet has an ultra-large size, and the microscopic size is larger than 10 mm; and the titanium carbide flexible electrode prepared by the vacuum suction filtration technology has the electrochemical energy storage property superior to that of the electrode prepared from the ultrathin titanium carbide nanosheet, the preparation can be completed under the normal-temperature and normal-pressure conditions, and the operabilityis high.
Application Domain
Hybrid capacitor electrodesHybrid/EDL manufacture
Technology Topic
IonElectrochemical energy storage +11
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PUM
Property | Measurement | Unit |
Mass specific capacitance | 241.67 | 1/fg |
Mass specific capacitance | 319.84 | 1/fg |
Mass specific capacitance | 286.2 | 1/fg |
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