High surface area electrochemically stable nanocomposites based on TiO2 aerogels incorporated with conductive polymers

IF 2.2 4区化学 Q3 CHEMISTRY, PHYSICAL

Colloid and Polymer Science Pub Date : 2025-01-17 DOI:10.1007/s00396-025-05378-8

Joseane C. Bernardes, Marina C. P. Luz, Kananda M. Degues, Daliana Müller, Carlos R. Rambo

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Abstract

In this work, nanocomposites based on TiO₂ aerogels incorporated with conductive polymers (PEDOT:PSS and PANI) were synthesized in situ. The evaluation of the electrochemical properties of nanocomposites of titania aerogels and conductive polymers was carried out using cyclic voltammetry, impedance spectroscopy, and galvanized charge–discharge methods. The nanocomposites exhibited a highly stable electrochemical cycling performance after incorporation with both PANI and PEDOT. TiO₂/PEDOT and TiO₂/PANI aerogels are in the region expected for application in Ragone graph supercapacitors with the highest specific capacitance at concentrations of 30% PEDOT of 1100 mF/g and a surface area of 546 m²/g, and 30% PANI with 1200 mF/g and a specific surface area of 606 m²/g, which is remarkably high for hybrid nanocomposites.

Graphical Abstract

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来源期刊

Colloid and Polymer Science 化学-高分子科学

CiteScore

4.60

自引率

4.20%

发文量

111

审稿时长

2.2 months

期刊介绍： Colloid and Polymer Science - a leading international journal of longstanding tradition - is devoted to colloid and polymer science and its interdisciplinary interactions. As such, it responds to a demand which has lost none of its actuality as revealed in the trends of contemporary materials science.