文献类型：期刊文献

英文题名：High specific surface area MXene/SWCNT/cellulose nanofiber aerogel film as an electrode for flexible supercapacitors

作者：Lyu, Shaoyi[1,2] Chang, Huanjun[1] Zhang, Longfei[1,2] Wang, Siqun[3] Li, Shanming[1,2] Lu, Yun[1] Li, Shujun[4]

第一作者：Lyu, Shaoyi

通信作者：Lyu, S[1];Lu, Y[1];Li, SJ[2]

机构：[1]Chinese Acad Forestry, Res Inst Wood Ind, Beijing 100091, Peoples R China;[2]Nanjing Forestry Univ, Coinnovat Ctr Efficient Proc & Utilizat Forest Res, Nanjing 210037, Peoples R China;[3]Univ Tennessee, Ctr Renewable Carbon, Knoxville, TN 37996 USA;[4]Northeast Forestry Univ, Key Lab Biobased Mat Sci & Technol, Minist Educ, Harbin 150040, Peoples R China

年份：2023

卷号：264

外文期刊名：COMPOSITES PART B-ENGINEERING

收录：;EI(收录号：20232814381440);Scopus(收录号：2-s2.0-85164218796);WOS:【SCI-EXPANDED(收录号:WOS:001054487000001)】；

基金：This work was supported by the Fundamental Research Funds for the Central Non-profit Research Institution of CAF (Grant CAFYB-B2022YD004) , National Key R & D Program of China (2018YFD0600302) and Forest Scientific Research in the Public Welfare (No.201504603) .

语种：英文

外文关键词：Cellulose nanofibers; MXene; Carboxylic single-walled carbon nanotubes; Aerogel film; Flexible supercapacitors

摘要：Transition metal carbonitrides (MXene) with two-dimensional layered structures are a recent research topic in the field of supercapacitors. However, because MXene can easily self-stack, its capacitance performance is affected. To this end, one-dimensional cellulose nanofibers (CNF) and carboxylic single-walled carbon nanotubes (SWCNT) were used to intercalate MXene to obtain well-dispersed MXene/SWCNT/CNF aqueous suspensions and their hybrid hydrogels, and to obtain hybrid aerogels through supercritical drying. CNF gives aerogel excellent porosity, a high specific surface area (301.03 m2 g-1), good electrolyte infiltration, and gentle me-chanical flexibility, while SWCNT imparts high conductivity to aerogel film. We assembled a symmetrical all -solid-state flexible supercapacitor and interdigitated micro-supercapacitors using an aerogel film as a flexible electrode. The area specific capacity of the above electrode reaches 746.68 mF cm-2 and 244.50 mF cm-2, respectively. This study provides a fabrication method of polymer-inorganic hybrid nanocomposite aerogel film electrodes for flexible supercapacitors.