3D Printing of Carbon Nanotubes-Based Microsupercapacitors

2017 ◽  
Vol 9 (5) ◽  
pp. 4597-4604 ◽  
Author(s):  
Wei Yu ◽  
Han Zhou ◽  
Ben Q. Li ◽  
Shujiang Ding
Keyword(s):  
Nanomaterials ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 1106
Author(s):  
Alejandro Cortés ◽  
Xoan F. Sánchez-Romate ◽  
Alberto Jiménez-Suárez ◽  
Mónica Campo ◽  
Ali Esmaeili ◽  
...  

Electromechanical sensing devices, based on resins doped with carbon nanotubes, were developed by digital light processing (DLP) 3D printing technology in order to increase design freedom and identify new future and innovative applications. The analysis of electromechanical properties was carried out on specific sensors manufactured by DLP 3D printing technology with complex geometries: a spring, a three-column device and a footstep-sensing platform based on the three-column device. All of them show a great sensitivity of the measured electrical resistance to the applied load and high cyclic reproducibility, demonstrating their versatility and applicability to be implemented in numerous items in our daily lives or in industrial devices. Different types of carbon nanotubes—single-walled, double-walled and multi-walled CNTs (SWCNTs, DWCNTs, MWCNTs)—were used to evaluate the effect of their morphology on electrical and electromechanical performance. SWCNT- and DWCNT-doped nanocomposites presented a higher Tg compared with MWCNT-doped nanocomposites due to a lower UV light shielding effect. This phenomenon also justifies the decrease of nanocomposite Tg with the increase of CNT content in every case. The electromechanical analysis reveals that SWCNT- and DWCNT-doped nanocomposites show a higher electromechanical performance than nanocomposites doped with MWCNTs, with a slight increment of strain sensitivity in tensile conditions, but also a significant strain sensitivity gain at bending conditions.


iScience ◽  
2020 ◽  
Vol 23 (9) ◽  
pp. 101498 ◽  
Author(s):  
Dongdong Gu ◽  
Hongyu Chen ◽  
Donghua Dai ◽  
Chenglong Ma ◽  
Han Zhang ◽  
...  

RSC Advances ◽  
2020 ◽  
Vol 10 (53) ◽  
pp. 32162-32182 ◽  
Author(s):  
Wiktoria Tomal ◽  
Anna Chachaj-Brekiesz ◽  
Roman Popielarz ◽  
Joanna Ortyl

Summary of properties and applications of multifunctional of biphenyl derivatives as photosensitisers in various types of photopolymerization processes, including IPN formation, 3D printing of photocurable multiwalled carbon nanotubes (MWCNTs) fluorescent composites.


Polymers ◽  
2020 ◽  
Vol 12 (6) ◽  
pp. 1208 ◽  
Author(s):  
Rumiana Kotsilkova ◽  
Evgeni Ivanov ◽  
Vladimir Georgiev ◽  
Radost Ivanova ◽  
Dzhihan Menseidov ◽  
...  

Poly(lactic) acid nanocomposites filled with graphene nanoplatelets (GNPs) and multiwall carbon nanotubes (MWCNTs) are studied, varying the filler size, shape, and content within 1.5–12 wt.%. The effects of the intrinsic characteristics of nanofillers and structural organization of nanocomposites on mechanical, electrical, thermal, and electromagnetic properties enhancement are investigated. Three essential rheological parameters are identified, which determine rheology–structure–property relations in nanocomposites: the degree of dispersion, percolation threshold, and interfacial interactions. Above the percolation threshold, depending on the degree of dispersion, three structural organizations are observed in nanocomposites: homogeneous network (MWCNTs), segregated network (MWCNTs), and aggregated structure (GNPs). The rheological and structural parameters depend strongly on the type, size, shape, specific surface area, and functionalization of the fillers. Consequently, the homogeneous and segregated network structures resulted in a significant enhancement of tensile mechanical properties and a very low electrical percolation threshold, in contrast to the aggregated structure. The high filler density in the polymer and the low number of graphite walls in MWCNTs are found to be determinant for the remarkable shielding efficiency (close to 100%) of nanocomposites. Moreover, the 2D shaped GNPs predominantly enhance the thermal conductivity compared to the 1D shaped MWCNTs. The proposed essential structural parameters may be successfully used for the design of polymer nanocomposites with enhanced multifunctional properties for 3D printing applications.


AIP Advances ◽  
2020 ◽  
Vol 10 (6) ◽  
pp. 065106
Author(s):  
Guangzhao Li ◽  
Lajun Feng ◽  
Zhe Zhai ◽  
Fangfang Wang

2017 ◽  
Vol 9 (1) ◽  
pp. 015007 ◽  
Author(s):  
Jiankang He ◽  
Fangyuan Xu ◽  
Ruonan Dong ◽  
Baolin Guo ◽  
Dichen Li

Author(s):  
Blake Herren ◽  
Tingting Gu ◽  
Qinggong Tang ◽  
Mrinal Saha ◽  
Yingtao Liu

Abstract The alignment of high aspect ratio reinforcing nanoparticles within a polymer matrix can have significant effects on the mechanical, electrical, and thermal properties of the nanocomposite. Therefore, in order to tailor the properties of the composite, it is imperative to develop novel methods to control the alignment of these filler particles in various polymeric matrices. This paper reports a unique approach to alter the alignment of carbon nanotubes (CNT) within polydimethylsiloxane (PDMS) nanocomposites using 3D printing technology. A line of the reinforced PDMS resin is printed on a PDMS substrate using direct ink writing technology, which can produce alignment in the print direction depending on printing parameters, the loading of the reinforcing particle, and the rheology of the ink. Then, the substrate is stretched and placed in an oven to cure the printed nanocomposites line with increased alignment in the stretch direction. These two techniques have the advantage of simplicity over other techniques and can efficiently manufacture nanocomposites with the alignment of nanoparticles. Optical microscopy will be used to quantify the alignment within the printed line. Electrical and mechanical properties will be tested to determine the effects of the different alignments within the elastomer. The ability to control the alignment of elastomeric CNT composites is advantageous for the growing field of polymer-based electronics.


2020 ◽  
Vol 145 ◽  
pp. 262-271 ◽  
Author(s):  
Liying Li ◽  
Shuai Qin ◽  
Jun Peng ◽  
Ang Chen ◽  
Yi Nie ◽  
...  
Keyword(s):  

Carbon ◽  
2020 ◽  
Vol 162 ◽  
pp. 465-474 ◽  
Author(s):  
Kang Geng ◽  
Shaofu Li ◽  
Y.F. Yang ◽  
R.D.K. Misra

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