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【2022/6/27】2020级博士生蔡晨晨Cellulose:脉冲直流电助力纸浆杀菌
来源:聂双喜教授个人网站 发布日期:2022-06-27

相关工作以题为“Triboelectric pulsed direct current for self-powered sterilization of cellulose fiber”发表在国际著名期刊《Cellulose》上。



Abstract: A variety of liquid energy exists in papermaking engineering and has not yet been

developed and utilized. In addition, for the papermaking industry, the presence of slime can seriously affect the quality of the finished paper and can lead to paper breaking. The current slime control strategies cannot completely solve the problem and also have some low toxicity. In this study, a method of self-powered sterilization of cellulose fibers by using triboelectric pulsed direct current is reported. A liquid-solid triboelectric nanogenerator (L-S TENG) was used to convert the liquid energy of nanocellulose suspension into electrical energy and convert this electrical energy into pulsed direct current for self-powered sterilization of cellulose fiber. A hydrophobic coating material is used as solid triboelectric material and electrode for sterilization. Driven by L-S TENG, the electrodes exhibited an excellent sterilization rate against four microorganisms including Escherichia coli, Aspergillus niger, candida Albicans, and Klebsiella Pneumoniae, which from slime in the papermaking industry. This study could provide a basic research theory for liquid energy harvesting in the papermaking industry, and also provide a new strategy for pulp sterilization.


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