Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 124, Issue -, Pages -Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2021.106920
Keywords
MXene; Ti3C2; 3D printing; Functionalisation; Electrochemical capacitor
Categories
Funding
- Grant Agency of the Czech Republic by the GACR [EXPRO 19-26896X]
- MEYS CR 2020-2022 [LM2018110]
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By utilizing electrochemical activation and MXene functionalization, the electrochemical properties of 3D-printed electrodes can be enhanced to improve the performance of capacitors. This approach opens up new opportunities for further developments in electrochemical applications.
3D printing is a manufacturing technique that can be used to produce electrochemical capacitors with customised shapes and minimal material waste. However, the range of carbon-additive filaments currently commercially available is limited, resulting in 3D-printed electrodes with a poor capacitive performance due to their high thermoplastic content. Herein, a novel approach is presented for enhancing the electrochemical properties of 3D-printed electrodes, based on electrochemical activation of the electrodes followed by MXene functionalisation. Archetypal MXene, Ti3C2, has been used to modify the 3D-printed electrode surface; it has been demonstrated that it enhances the capacitance of the electrodes almost three-fold. These findings show a new route towards enhancing the performance of 3D-printed electrochemical capacitors and pave the way for further developments leading to other electrochemical applications.
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