文献类型：期刊文献

英文题名：Effects of multiwalled carbon nanotubes and reduced graphene oxide of different proportions on the electrothermal properties of cationic cellulose nanofibril-based composites

作者：Liang, Shanqing[1] Wang, Huichong[1] Tao, Xin[1]

第一作者：梁善庆

通信作者：Liang, SQ[1]

机构：[1]Chinese Acad Forestry, Res Inst Wood Ind, Xiangshan Rd, Beijing 100091, Peoples R China

年份：2022

卷号：17

起止页码：2388-2399

外文期刊名：JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T

收录：;EI(收录号：20221011750614);Scopus(收录号：2-s2.0-85125677072);WOS:【SCI-EXPANDED(收录号:WOS:000782655300005)】；

基金：The research leading to these results received funding from the National Natural Science Foundation of China (No.32071705) and the Special Fund of the Chinese Central Government for Basic Scientific Research Operations in Commonwealth Research Institutes (No.CAFYBB2016MB001) .

语种：英文

外文关键词：Multiwalled carbon nanotube; Reduced graphene oxide; Cationic cellulose nanofibril; Electrical conductivity; Electrothermal response; Electrothermal stability

摘要：Cationic cellulose nanofibril (CCNF)-based electrothermal composites were successfully fabricated using simple ultrasonic dispersion and vacuum filtration of cationic cellulose nanofibril mixtures with 40 wt% mixed carbon fillers of different proportions of multiwalled carbon nanotube (MWCNT) and reduced graphene oxide (RGO). The motivation of this study was to investigate the electrothermal synergetic effect of different proportions of nanocarbon filler on the CCNF matrix. The results showed that MWCNT and RGO were evenly dispersed within the CCNF matrix, forming a multidimensional conductive network. The composites were endowed with high electrical conductivity from 1.17 S/cm to 7.58 S/cm and demonstrated an advantageous correlation of voltage-current and electric power-voltage with increasing MWCNT in the mixed carbon fillers. The electrothermal composite exhibited a remarkable heating and cooling response and electrothermal stability, and the efficient heating temperature for a ratio of MWCNT to RGO of 35:5 reached 102.15 degrees C at an applied voltage of 18 V. Furthermore, the mixed use of MWCNT and RGO effectively improved the electrothermal performance, its average electrothermal response time was less than 43.32 s, and the electrical power consumed was 32.85 mW/degrees C. This electrothermal composite has promising applications in eco-friendly and flexible resistance heating electronics. (C) 2022 The Authors. Published by Elsevier B.V.