scholarly journals High performance flexible supercapacitors based on secondary doped PEDOT–PSS–graphene nanocomposite films for large area solid state devices

RSC Advances ◽  
2020 ◽  
Vol 10 (18) ◽  
pp. 10526-10539 ◽  
Author(s):  
Syed Khasim ◽  
Apsar Pasha ◽  
Nacer Badi ◽  
Mohana Lakshmi ◽  
Yogendra Kumar Mishra
Keyword(s):  
High Performance ◽  
Nanocomposite Films ◽  
Large Area ◽  
Styrene Sulfonate ◽  
Flexible Supercapacitors ◽  
Reduced Graphene ◽  
Solid State Devices ◽  
Secondary Doping ◽  
Graphene Nanocomposite ◽  
Poly Styrene Sulfonate

In this work, we propose the development of high performance and flexible supercapacitors using reduced graphene oxide (rGO) incorporated poly(3,4 ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT–PSS) nanocomposites by secondary doping.

scholarly journals A stable TiO2–graphene nanocomposite anode with high rate capability for lithium-ion batteries

RSC Advances ◽  
2020 ◽  
Vol 10 (50) ◽  
pp. 29975-29982 ◽  
Author(s):  
Umer Farooq ◽  
Faheem Ahmed ◽  
Syed Atif Pervez ◽  
Sarish Rehman ◽  
Michael A. Pope ◽  
...  
Keyword(s):  
Anode Materials ◽  
High Performance ◽  
Hydrothermal Process ◽  
Rate Capability ◽  
Lithium Ion ◽  
High Rate ◽  
Microwave Hydrothermal ◽  
Reduced Graphene ◽  
Graphene Nanocomposite ◽  
Li Ion

A rapid microwave hydrothermal process is adopted for the synthesis of titanium dioxide and reduced graphene oxide nanocomposites as high-performance anode materials for Li-ion batteries.

scholarly journals One-step cathodic electrodeposition of a cobalt hydroxide–graphene nanocomposite and its use as a high performance supercapacitor electrode material

RSC Advances ◽  
2018 ◽  
Vol 8 (47) ◽  
pp. 26818-26827 ◽  
Author(s):  
Seyed Abbas Rahimi ◽  
Parviz Norouzi ◽  
Mohammad Reza Ganjali
Keyword(s):  
High Performance ◽  
Electrode System ◽  
Constant Current ◽  
Cobalt Hydroxide ◽  
Supercapacitor Electrode ◽  
Constant Current Density ◽  
Cathodic Electrodeposition ◽  
Reduced Graphene ◽  
One Step ◽  
Graphene Nanocomposite

In this study, Co(OH)2-reduced graphene oxide has been synthesized using a simple and rapid one-step cathodic electrodeposition method in a two electrode system at a constant current density on a stainless steel plate, and then characterized as a supercapacitive material on Ni foam.

Free‐standing Reduced Graphene Oxide/MoO 3‐ x Composite Film with High Performance for Flexible Supercapacitors

2019 ◽  
Vol 4 (31) ◽  
pp. 9165-9173 ◽  
Author(s):  
Ms. Le Yu ◽  
Shi‐Xi Zhao ◽  
Yi‐Feng Wang ◽  
Qi‐long Wu ◽  
Ms. Xiao‐Xiao Zheng ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Composite Film ◽  
Reduced Graphene Oxide ◽  
High Performance ◽  
Free Standing ◽  
Flexible Supercapacitors ◽  
Reduced Graphene

Free-standing Sandwich Structure MoO3-rGO Composite Film Electrode for Flexible Supercapacitors

MRS Advances ◽  
2019 ◽  
Vol 4 (41-42) ◽  
pp. 2299-2305
Author(s):  
Le Yu ◽  
Shixi Zhao ◽  
Qilong Wu ◽  
Xiaoxiao Zheng ◽  
Yifeng Wang ◽  
...  
Keyword(s):  
Composite Film ◽  
High Performance ◽  
Rapid Development ◽  
Reduction Process ◽  
Film Electrode ◽  
Free Standing ◽  
Filtration Method ◽  
Flexible Supercapacitors ◽  
Excellent Electrochemical Performance ◽  
Reduced Graphene

ABSTRACTThe research of high-performance flexible supercapacitors is urgent due to the rapid development of wearable and portable electronics. The key challenge is the preparation of flexible electrodes with high areal capacitance since electrodes are the most important part of supercapacitors. Compared to those conventional electrodes loading with typical flexible substrates such as textile, PET, paper et al, free-standing electrodes have many advantages such as more efficient capacity contribution, solidly embedded active materials and thinner thickness. Herein, we have successfully fabricated a novel sandwich-like structure free-standing MoO3-rGO (reduced graphene oxide) composite film electrode for flexible supercapacitors using simple vacuum filtration method followed by HI reduction process. The obtained MoO3-rGO composite film electrode shows excellent electrochemical performance, whose areal specific capacitance reaches 8972 mF·cm-2 (1.5 mA·cm-2). Here, MoO3 provides pseudocapacitance and rGO provides double-layer capacitance. After cycling for 2000 cycles, the capacity retention is 86.7%, showing good cycle stability. Besides, the as-prepared composite film has good flexibility and will not break easily during following bending, rolling, folding or twisting steps. This study has been approved to be an important step for the high-performance electrode design for free-standing flexible supercapacitors.

scholarly journals Low-Power, Large-Area and High-Performance CdSe Quantum Dots/Reduced Graphene Oxide Photodetectors

IEEE Access ◽  
2020 ◽  
Vol 8 ◽  
pp. 95855-95863
Author(s):  
Yi-Hsiang Shih ◽  
You-Ling Chen ◽  
Jui-Hsin Tan ◽  
Sheng Hsiung Chang ◽  
Wu-Yih Uen ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Graphene Oxide ◽  
Low Power ◽  
Reduced Graphene Oxide ◽  
High Performance ◽  
Cdse Quantum Dots ◽  
Large Area ◽  
Reduced Graphene

A high performance supercapacitor based on a ceria/graphene nanocomposite synthesized by a facile sonochemical method

RSC Advances ◽  
2015 ◽  
Vol 5 (57) ◽  
pp. 46050-46058 ◽  
Author(s):  
Amin Shiralizadeh Dezfuli ◽  
Mohammad Reza Ganjali ◽  
Hamid Reza Naderi ◽  
Parviz Norouzi
Keyword(s):  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
High Performance ◽  
Nanocomposite Material ◽  
Sonochemical Method ◽  
Reduced Graphene ◽  
Symmetric Supercapacitor ◽  
Graphene Nanocomposite

In this work, we have developed a novel nanocomposite material of ceria (CeO2)–reduced graphene oxide (RGO) by a sonochemical route for application as a symmetric supercapacitor.

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