DOC-Stabilized PVAc/MWCNTs Composites for Higher Thermoelectric Performance 机翻标题: 暂无翻译,请尝试点击翻译按钮。

会议集名/来源
Energy Technology 2019: Carbon Dioxide Management and Other Technologies
出版年
2019
页码
283-291
会议地点
San Antonio
作者单位
Faculty of Engineering, Department of Metallurgical Engineering, Cairo UniversityFaculty of Engineering, Department of Metallurgical Engineering, Cairo UniversityFaculty of Engineering, Department of Metallurgical Engineering, Cairo UniversityFaculty of Engineering, Department of Metallurgical Engineering, Cairo UniversityFaculty of Engineering, Department of Metallurgical Engineering, Cairo University
作者
Hussein Badr;Mahmoud Sorour;Shadi Foad Saber;Iman S. El-Mahallawi;Fawzi A. Elrefaie
摘要
Novel technologies of energy generation are being developed nowadays to keep pace with the increasing energy crisis. Thermoelectric materials have the capability of harvesting waste heat and efficiently converting into useful electrical current. In this work, a commercial polymer is developed to be adopted for thermal electrical energy conversion. Low thermal conductivity Polyvinyl Acetate is used to host multi-walled carbon nanotubes (MWNTs) with different weight percentages (10-70) wt% with the addition of semiconducting Sodium Deoxycholate (DOC) as a nanofiller stabilizer. DOC was found to have a dual role in improving the dispersion of the nanotubes and stabilizing the composite, and hence resulting in higher thermoelectric performance. The composite with 70 wt% MWNTs showed the highest electrical conductivity of 171.7 S/m at 100℃ while the 50 wt% composite recorded the greatest power factor of 0.008 μW/mK~2 at the same temperature.
机翻摘要
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关键词
Thermoelectric materials;Organic polymers;Carbon nanotubes;Power factor;Semiconducting stabilizer DOC
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