Issue 38, 2020

Tailoring capacitance of 3D-printed graphene electrodes by carbonisation temperature

Abstract

3D-printing is an emerging technology that can be used for the fast prototyping and decentralised production of objects with complex geometries. Concretely, carbon-based 3D-printed electrodes have emerged as promising components for electrochemical capacitors. However, such electrodes usually require some post-treatments to be electrically active. Herein, 3D-printed nanocomposite electrodes made from a polylactic acid/nanocarbon filament have been characterised through different carbonisation temperatures in order to improve the conductivity of the electrodes via insulating polymer removal. Importantly, the carbonisation temperature has demonstrated to be a key parameter to tailor the capacitive behaviour of the resulting electrodes. Accordingly, this work opens new insights in advanced 3D-printed carbon-based electrodes employing thermal activation.

Graphical abstract: Tailoring capacitance of 3D-printed graphene electrodes by carbonisation temperature

Supplementary files

Article information

Article type
Paper
Submitted
28 juin 2020
Accepted
04 sept. 2020
First published
23 sept. 2020

Nanoscale, 2020,12, 19673-19680

Tailoring capacitance of 3D-printed graphene electrodes by carbonisation temperature

E. Redondo, S. Ng, J. Muñoz and M. Pumera, Nanoscale, 2020, 12, 19673 DOI: 10.1039/D0NR04864J

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