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Preparation and discussion of bacterial cellulose/polypyrrole conductive composite film

Authors： GUO Lin, DENG Longzhi, YU Jie, PAN Jiale, ZHU Xiongwei

Units： Wuhan Institute of Technology，School of Environmental Ecology and Bioengineering, Wuhan 430200，China

KeyWords： bacterial cellulose membrane; polypyrrole; porosity; seepage theory

ClassificationCode：TQ3117

year,volume(issue):pagination： 2024,44(2):118-124

Abstract：

Supercapacitor is a new type of energy storage device, consisting of carrier, polymer conductive material, oxidant, etc. In terms of carrier, bacterial cellulose film with good toughness and excellent porosity has been used as a substrate material. In this study, Bacillus glucoaceticus was selected to grow in specific medium to form bacterial cellulose material film, extracted and processed with polypyrrole (PPy) and oxidant in situ polymerization, FeCl3 was used as oxidant The membrane was then extracted and processed with polypyrrole (PPy) and oxidant in situ, and FeCl3 was used as the oxidant to polymerise and attach different concentrations of pyrrole to its surface to form a supercapacitor. The results show that the porosity and conductivity are not proportional to each other, with the maximum conductivity within 25%-30% porosity, the maximum porosity of 60.05% for 0.01 mol/L concentration polypyrrole but the minimum conductivity (1×10-6S/m), and the maximum conductivity obtained for 0.06 mol/L concentration polypyrrole with 23.04% porosity (2.6×10 -1S/m).

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AuthorIntro：

郭琳（1999-），女，山西长治人，硕士研究生，研究方向工业微生物， Email：1748466470@qq.com

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