Screen printable PANI/carbide-derived carbon supercapacitor electrode ink with chitosan binder

IF 2.8 4区工程技术 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Flexible and Printed Electronics Pub Date : 2023-12-07 DOI:10.1088/2058-8585/ad0ebd

Ezgi Inci Yesilyurt, Jürgen Pionteck, Jari Keskinen, Aapo Kattainen, Timo Punkari, Frank Simon, Matti Mäntysalo, Brigitte Voit

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Abstract

Polyaniline (PANI)/carbide-derived carbon (CDC) was synthesized by using in-situ chemical oxidative polymerization of PANI in presence of CDC. Conductive electrode ink materials were prepared by using eco-friendly chitosan binder in water media. In the following, symmetrical supercapacitors (SCs) were fabricated by both doctor blade coating and screen printing technique. The electrical conductivity, morphology, specific capacitance, and energy density of these composites were evaluated for their applicability as SC electrodes. Pure PANI with chitosan binder was not printable because of its brittleness, however, the presence of CDC allows the preparation of smooth films which are suitable for electrode preparation. The fabricated composite electrode has a higher specific capacitance (up to 419 F g⁻¹) and higher energy density (up to 6.7 W h kg⁻¹) compared to the pristine CDC electrode. The capacitance of screen-printed SCs was 440–470 mF with an equivalent series resistance of about 27 Ω.

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使用壳聚糖粘合剂的丝网印刷 PANI/碳化物衍生碳超级电容器电极油墨

聚苯胺（PANI）/碳化物衍生碳（CDC）是在碳化物衍生碳存在的情况下利用原位化学氧化聚合法合成的。在水介质中使用环保型壳聚糖粘合剂制备了导电电极墨水材料。随后，利用刮刀涂层和丝网印刷技术制作了对称超级电容器（SC）。对这些复合材料的导电性、形态、比电容和能量密度进行了评估，以确定它们是否可用作超级电容器电极。含有壳聚糖粘合剂的纯 PANI 因其脆性而无法打印，但 CDC 的存在可以制备出适合电极制备的光滑薄膜。与原始 CDC 电极相比，制备的复合电极具有更高的比电容（高达 419 F g-1）和更高的能量密度（高达 6.7 W h kg-1）。丝网印刷 SC 的电容为 440-470 mF，等效串联电阻约为 27 Ω。

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来源期刊

Flexible and Printed Electronics MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

4.80

自引率

9.70%

发文量

101

期刊介绍： Flexible and Printed Electronics is a multidisciplinary journal publishing cutting edge research articles on electronics that can be either flexible, plastic, stretchable, conformable or printed. Research related to electronic materials, manufacturing techniques, components or systems which meets any one (or more) of the above criteria is suitable for publication in the journal. Subjects included in the journal range from flexible materials and printing techniques, design or modelling of electrical systems and components, advanced fabrication methods and bioelectronics, to the properties of devices and end user applications.