scholarly journals Manganese Oxide on Carbon Fabric for Flexible Supercapacitors

2016 ◽  
Vol 2016 ◽  
pp. 1-7 ◽  
Author(s):  
Jianfeng Zhang ◽  
Mujun Chen ◽  
Yunwang Ge ◽  
Qi Liu
Keyword(s):  
Plasma Treatment ◽  
Manganese Oxide ◽  
Electrode Material ◽  
Cycling Performance ◽  
Carbon Fabric ◽  
Large Area ◽  
Electrodeposition Process ◽  
Flexible Supercapacitors ◽  
Scan Rate ◽  
Promising Electrode Material

We report the fabrication of uniform large-area manganese oxide (MnO2) nanosheets on carbon fabric which oxidized using O2plasma treatment (MnO2/O2-carbon fabric) via electrodeposition process and their implementation as supercapacitor electrodes. Electrochemical measurements demonstrated that MnO2/O2-carbon fabric exhibited capacitance as high as 275 F/g at a scan rate of 5 mV/s; in addition, it showed an excellent cycling performance (less than 20% capacitance loss after 10,000 cycles). All the results suggest that MnO2/O2-carbon fabric is a promising electrode material which has great potential for application on flexible supercapacitors.

scholarly journals Soft and wrinkled carbon membranes derived from petals for flexible supercapacitors

2017 ◽  
Vol 7 (1) ◽  
Author(s):  
Xiuxiu Yu ◽  
Ying Wang ◽  
Li Li ◽  
Hongbian Li ◽  
Yuanyuan Shang
Keyword(s):  
Specific Capacitance ◽  
Electrode Material ◽  
Low Cost ◽  
Current Collector ◽  
High Specific Capacitance ◽  
Cost Effective ◽  
Cycling Performance ◽  
Carbon Membrane ◽  
Flower Petal ◽  
Flexible Supercapacitors

Abstract Biomass materials are promising precursors for the production of carbonaceous materials due to their abundance, low cost and renewability. Here, a freestanding wrinkled carbon membrane (WCM) electrode material for flexible supercapacitors (SCs) was obtained from flower petal. The carbon membrane was fabricated by a simple thermal pyrolysis process and further activated by heating the sample in air. As a binder and current collector-free electrode, the activated wrinkled carbon membrane (AWCM) exhibited a high specific capacitance of 332.7 F/g and excellent cycling performance with 92.3% capacitance retention over 10000 cycles. Moreover, a flexible all-solid supercapacitor with AWCM electrode was fabricated and showed a maximum specific capacitance of 154 F/g and great bending stability. The development of this flower petal based carbon membrane provides a promising cost-effective and environmental benign electrode material for flexible energy storage.

Construction of MnCo2O4/rGO hybrid nanostructures as promising electrode material for high‐performance pseudocapacitors

2021 ◽  
Author(s):  
Mohammad Bagher Askari ◽  
Parisa Salarizadeh ◽  
Amirkhosro Beheshti-Marnani ◽  
Sadegh Azizi ◽  
Mohammad Hassan Ramezan zadeh ◽  
...  
Keyword(s):  
Electrode Material ◽  
High Performance ◽  
Hybrid Nanostructures ◽  
Promising Electrode Material

MOF/PEDOT/HPMo-based polycomponent hierarchical hollow micro-vesicles for high performance flexible supercapacitors

2021 ◽  
Vol 9 (5) ◽  
pp. 2948-2958
Author(s):  
Bing Wang ◽  
Shuo Liu ◽  
Lin Liu ◽  
Wen-Wei Song ◽  
Yue Zhang ◽  
...  
Keyword(s):  
Electrode Material ◽  
High Performance ◽  
Cycle Stability ◽  
Supercapacitor Electrode ◽  
Flexible Supercapacitors ◽  
High Area

The three-component PCN-224/PEDOT/PMo12 supercapacitor electrode material is designed to offer high area capacitance, good cycle stability and mechanical flexibility.

scholarly journals An Electrochemical Strategy for the Simultaneous Detection of Doxorubicin and Simvastatin for Their Potential Use in the Treatment of Cancer

Biosensors ◽  
2021 ◽  
Vol 11 (1) ◽  
pp. 15
Author(s):  
Iulia Rus ◽  
Mihaela Tertiș ◽  
Cristina Barbălată ◽  
Alina Porfire ◽  
Ioan Tomuță ◽  
...  
Keyword(s):  
Drug Delivery ◽  
Electrolyte Solution ◽  
Electrode Material ◽  
Dynamic Range ◽  
Limit Of Detection ◽  
Simultaneous Detection ◽  
Linear Sweep Voltammetry ◽  
Pharmaceutical Formulations ◽  
Promising Tool ◽  
Scan Rate

The aim of this study was to develop a disposable, simple, fast, and sensitive sensor for the simultaneous electrochemical detection of doxorubicin (DOX) and simvastatin (SMV), which could be used in preclinical studies for the development of new pharmaceutical formulations for drug delivery. Firstly, the electrochemical behavior of each molecule was analyzed regarding the influence of electrode material, electrolyte solution, and scan rate. After this, the proper electrode material, electrolyte solution, and scan rate for both active substances were chosen, and a linear sweep voltammetry procedure was optimized for simultaneous detection. Two chronoamperometry procedures were tested, one for the detection of DOX in the presence of SMV, and the other one for the detection of DOX and SMV together. Finally, calibration curves for DOX and SMV in the presence of each other were obtained using both electrochemical methods and the results were compared. The use of amperometry allowed for a better limit of detection (DOX: 0.1 μg/mL; SMV: 0.7 μg/mL) than the one obtained in voltammetry (1.5 μg/mL for both drugs). The limits of quantification using amperometry were 0.5 μg/mL for DOX (dynamic range: 0.5–65 μg/mL) and 2 μg/mL for SMV (dynamic range: 2–65 μg/mL), while using voltammetry 1 μg/mL was obtained for DOX (dynamic range: 1–100 μg/mL) and 5 μg/mL for SMV (dynamic range: 5–100 μg/mL). This detection strategy represents a promising tool for the analysis of new pharmaceutical formulations for targeted drug delivery containing both drugs, whose association was proven to bring benefits in the treatment of cancer.

scholarly journals Exfoliation in a low boiling point solvent and electrochemical applications of MoO3

2020 ◽  
Vol 11 ◽  
pp. 662-670
Author(s):  
Matangi Sricharan ◽  
Bikesh Gupta ◽  
Sreejesh Moolayadukkam ◽  
H S S Ramakrishna Matte
Keyword(s):  
Energy Storage ◽  
Electrode Material ◽  
Electronic Devices ◽  
High Specific Capacitance ◽  
Two Dimensional ◽  
Energy Storage Devices ◽  
Intrinsic Nature ◽  
Storage Devices ◽  
Scan Rate ◽  
First Time

MoO3 is a versatile two-dimensional transition metal oxide having applications in areas such as energy storage devices, electronic devices and catalysis. To efficiently utilize the properties of MoO3 arising from its two-dimensional nature exfoliation is necessary. In this work, the exfoliation of MoO3 is carried out in 2-butanone for the first time. The achieved concentration of the dispersion is about 0.57 mg·mL−1 with a yield of 5.7%, which are the highest values reported to date. These high values of concentration and yield can be attributed to a favorable matching of energies involved in exfoliation and stabilization of MoO3 nanosheets in 2-butanone. Interestingly, the MoO3 dispersion in 2-butanone retains its intrinsic nature even after exposure to sunlight for 24 h. The composites of MoO3 nanosheets were used as an electrode material for supercapacitors and showed a high specific capacitance of 201 F·g−1 in a three-electrode configuration at a scan rate of 50 mV·s−1.

Electrical and thermal properties of Ca5Mg4−Co (VO4)6 (0 ≤x≤ 4),promising electrode material

2021 ◽  
pp. 130811
Author(s):  
Anna S. Tolkacheva ◽  
Sergey N. Shkerin ◽  
Alexey V. Nikonov ◽  
Svetlana V. Pershina ◽  
Pavel D. Khavlyuk ◽  
...  
Keyword(s):  
Thermal Properties ◽  
Electrode Material ◽  
Promising Electrode Material

Layered Polyaniline–Manganese Oxide Nanocomposite Electrode Material for Supercapacitor Application

2021 ◽  
Vol 400 (1) ◽  
pp. 2100179
Author(s):  
Snehal L. Kadam ◽  
Rahul S. Ingole ◽  
Nidhi Tiwari ◽  
Shrinivas Kulkarni
Keyword(s):  
Manganese Oxide ◽  
Electrode Material ◽  
Supercapacitor Application

Novel wood-based all-solid-state flexible supercapacitors fabricated with a natural porous wood slice and polypyrrole

RSC Advances ◽  
2015 ◽  
Vol 5 (4) ◽  
pp. 2813-2818 ◽  
Author(s):  
Shaoyi Lv ◽  
Feng Fu ◽  
Siqun Wang ◽  
Jingda Huang ◽  
La Hu
Keyword(s):  
Solid State ◽  
Electrode Material ◽  
Transverse Section ◽  
Flexible Supercapacitors ◽  
Polymerization Method

A simple dipping-and-polymerization method to prepare an interesting electrode material consisting of PPy-coated wood transverse section slice (WTSS), and fabricated an eco-friendly wood-based solid-state flexible supercapacitors.

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