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

Edurne Redondo, Siowwoon Ng, Jose Muñoz, Martin Pumera

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

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.

Original languageEnglish
Pages (from-to)19673-19680
Number of pages8
JournalNanoscale
Volume12
Issue number38
DOIs
Publication statusPublished - 2020 Oct 14

Bibliographical note

Funding Information:
M.P. acknowledge the financial support of the Grant Agency of the Czech Republic by the GACR EXPRO 19-26896X project. E.R. and S.N. acknowledge CzechNanoLab Research Infrastructure supported by LM2018110 MEYS CR 2020–2022. E.R. acknowledges the financial support of MeMoV VUT CZ.02.2.69/0.0/0.0/16_027/0008371 under the OP VVV program. The authors thank Dr J. Petruš for the TGA measurements.

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

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