Porous Reduced Graphene Oxide/Single-Walled Carbon Nanotube Film as Freestanding and Flexible Electrode Materials for Electrosorption of Organic Dye

2019 ◽  
Vol 2 (10) ◽  
pp. 6258-6267 ◽  
Author(s):  
Fang Yue ◽  
Qiang Zhang ◽  
Lijian Xu ◽  
Yiqun Zheng ◽  
Chenxue Yao ◽  
...  
2019 ◽  
Vol 98 ◽  
pp. 515-523 ◽  
Author(s):  
Jurgis Barkauskas ◽  
Lina Mikoliunaite ◽  
Ieva Paklonskaite ◽  
Povilas Genys ◽  
Jurate Jolanta Petroniene ◽  
...  

Molecules ◽  
2020 ◽  
Vol 25 (4) ◽  
pp. 1014
Author(s):  
Yong Hao ◽  
Chunlei Wang

We propose a flexible, binder-free and free-standing carbonaceous paper fabricated via electrostatic spray deposition using reduced graphene oxide/carbon nanotube (rGO/CNT) as a promising electrode material for flexible sodium-ion batteries (NIBs). The as-prepared rGO/CNT paper exhibits a three-dimensional (3D) layered structure by employing rGO as conductive frameworks to provide sodium-storage active sites and CNT as spacer to increase rGO interlayer distance and benefit the diffusion kinetics of sodium ions. Consequently, the rGO/CNT paper delivers an enhanced sodium ion storage capacity of 166.8 mAh g−1 at 50 mA g−1, retaining an average capacity of 101.4 mAh g−1 when current density sets back 100 mA g−1 after cycling at various current rates. An average capacity of 50 mAh g−1 at 200 mA g−1 was stabilized when cycling up to 300 cycles. The well-maintained electrochemical performance of free-standing rGO/CNT paper is due to the well-established hybrid 3D nanostructures, which demonstrates our carbon based material fabricated by a facile approach can be applied as one of the high-performance and low-cost electrode materials for applications in flexible energy storage devices.


2021 ◽  
Author(s):  
Yule Wu ◽  
Jun Rao ◽  
Feng Peng ◽  
Liping Zhang ◽  
Hui Gao ◽  
...  

Abstract Aquaternized hemicellulose (QH)/chitosan/reduced graphene oxide (rGO) composite film with good mechanical propertyand electrical conductivity was prepared bysolution-casting method. The effects of reduced graphene oxide contents on the structures and properties of the composite films were investigated.The mechanical property and electrical conductivity of the film with rGO containing 0.5 wt.% was reached 102.09 MPa and 12.8 × 10− 2 S/cm, respectively.Under the functions of hydrogen bonds and Van Der Waals forces, three components were combined to obtain QH/CS/rGO composite films with higher thermal stability and conductivity. Due to the compositing of rGO, the composite films showed good UV-blocking properties.This work provided a low-cost and sustainable pathway for the application of high-strength hemicellulose composite films with electrical conductivity and UV resistance in flexible electrode materials.


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