Carbon Nanotube as Electrode Materials for Supercapacitors

2020 ◽  
pp. 229-243
Author(s):  
Bibekananda De ◽  
Soma Banerjee ◽  
Kapil Dev Verma ◽  
Tanvi Pal ◽  
P. K. Manna ◽  
...  
Keyword(s):  
Carbon Nanotube ◽  
Electrode Materials

Capacitive behaviour of functionalized carbon nanotube/ZnO composites coated on a glassy carbon electrode

2015 ◽  
Vol 3 (30) ◽  
pp. 15650-15660 ◽  
Author(s):  
Jagruti S. Suroshe ◽  
Shivram S. Garje
Keyword(s):  
Carbon Nanotube ◽  
Glassy Carbon ◽  
Electrode Materials ◽  
Carbon Electrode ◽  
Single Source ◽  
Cycle Stability ◽  
Single Source Precursor ◽  
Functionalized Carbon Nanotube ◽  
Charge Discharge

Synthesis, characterization of functionalized carbon nanotube/ZnO composites by solvothermal decomposition of a single source precursor and their use as electrode materials for supercapacitors with good reversible charge/discharge ability and cycle stability.

Preparation of three-dimensional compressible MnO2@carbon nanotube sponges with enhanced supercapacitor performance

2017 ◽  
Vol 41 (24) ◽  
pp. 14906-14913 ◽  
Author(s):  
Yang Liu ◽  
Xiaoming Zhou ◽  
Rong Liu ◽  
Xiaolong Li ◽  
Yang Bai ◽  
...  
Keyword(s):  
Carbon Nanotube ◽  
Electrode Materials ◽  
Three Dimensional ◽  
Supercapacitor Performance

Fabrication of highly durable and compressible electrode materials for supercapacitors has been vital to promote the use of elastic electronics and deformation-tolerant devices.

One-pot surface engineering of battery electrode materials with metallic SWCNT-enriched, ivy-like conductive nanonets

2017 ◽  
Vol 5 (24) ◽  
pp. 12103-12112 ◽  
Author(s):  
JongTae Yoo ◽  
Young-Wan Ju ◽  
Ye-Ri Jang ◽  
Ohhun Gwon ◽  
Sodam Park ◽  
...  
Keyword(s):  
Carbon Nanotube ◽  
Surface Engineering ◽  
Electrode Materials ◽  
Engineering Method ◽  
One Pot ◽  
Single Walled Carbon Nanotube ◽  
Single Walled Carbon ◽  
Battery Electrode

A facile and versatile surface engineering method based on metallic single-walled carbon nanotube (mSWCNT)-enriched, ivy-like conductive nanonets (mSC nanonets) for electrode materials was presented.

scholarly journals Design of 3D Carbon Nanotube Monoliths for Potential-Controlled Adsorption

2021 ◽  
Vol 11 (20) ◽  
pp. 9390
Author(s):  
Dennis Röcker ◽  
Tatjana Trunzer ◽  
Jasmin Heilingbrunner ◽  
Janine Rassloff ◽  
Paula Fraga-García ◽  
...  
Keyword(s):  
Carbon Nanotube ◽  
Electrode Materials ◽  
Open Circuit ◽  
Triggered Release ◽  
Free Standing ◽  
Charged Surfaces ◽  
Faradaic Current ◽  
Reversible Potential ◽  
Controlled Adsorption ◽  
Synthesis Protocol

The design of 3D monoliths provides a promising opportunity to scale the unique properties of singular carbon nanotubes to a macroscopic level. However, the synthesis of carbon nanotube monoliths is often characterized by complex procedures and additives impairing the later macroscopic properties. Here, we present a simple and efficient synthesis protocol leading to the formation of free-standing, stable, and highly conductive 3D carbon nanotube monoliths for later application in potential-controlled adsorption in aqueous systems. We synthesized monoliths displaying high tensile strength, excellent conductivity (up to 140 S m−1), and a large specific surface area (up to 177 m2 g−1). The resulting monoliths were studied as novel electrode materials for the reversible electrosorption of maleic acid. The process principle was investigated using chronoamperometry and cyclic voltammetry in a two-electrode setup. A stable electrochemical behavior was observed, and the synthesized monoliths displayed capacitive and faradaic current responses. At moderate applied overpotentials (± 500 mV vs. open circuit potential), the monolithic electrodes showed a high loading capacity (~20 µmol g−1) and reversible potential-triggered release of the analyte. Our results demonstrate that carbon nanotube monoliths can be used as novel electrode material to control the adsorption of small organic molecules onto charged surfaces.

scholarly journals Electrochemical Analysis of Architecturally Enhanced LiFe0.5Mn0.5PO4 Multiwalled Carbon Nanotube Composite

2021 ◽  
Vol 2021 ◽  
pp. 1-8
Author(s):  
Sabelo Sifuba ◽  
Shane Willenberg ◽  
Usisipho Feleni ◽  
Natasha Ross ◽  
Emmanuel Iwuoha
Keyword(s):  
Electron Transfer ◽  
Carbon Nanotube ◽  
Electrode Materials ◽  
Electrochemical Impedance ◽  
Electrochemical Analysis ◽  
Multiwalled Carbon Nanotube ◽  
Spectroscopic Techniques ◽  
Redox Potentials ◽  
Multiwalled Carbon ◽  
Iron Manganese

In this work, the effect of carbon on the electrochemical properties of multiwalled carbon nanotube (MWCNT) functionalized lithium iron manganese phosphate was studied. In an attempt to provide insight into the structural and electronic properties of optimized electrode materials, a systematic study based on a combination of structural and spectroscopic techniques was conducted. The phosphor-olivine LiFe0.5Mn0.5PO4 was synthesized via a simple microwave synthesis using LiFePO4 and LiMnPO4 as precursors. Cyclic voltammetry was used to evaluate the electrochemical parameters (electron transfer and ionic diffusivity) of the LiFe0.5Mn0.5PO4 redox couples. The redox potentials show two separate distinct redox peaks that correspond to Mn2+/Mn3+ (4.1 V vs Li/Li+) and Fe2+/Fe3+ (3.5 V vs Li/Li+) due to interaction arrangement of Fe-O-Mn in the olivine lattice. The electrochemical impedance spectroscopy (EIS) results showed LiFe0.5Mn0.5PO4-MWCNTs have high conductivity with reduced charge resistance. This result demonstrates that MWCNTs stimulate faster electron transfer and stability for the LiFe0.5Mn0.5PO4 framework, which demonstrates to be favorable as a host material for Li+ ions.

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