Hollow nanostructures of metal oxides as emerging electrode materials for high performance supercapacitors

CrystEngComm ◽  
2020 ◽  
Vol 22 (9) ◽  
pp. 1633-1644 ◽  
Author(s):  
Sudipta Biswas ◽  
Vikas Sharma ◽  
Debabrata Mandal ◽  
Ananya Chowdhury ◽  
Mayukh Chakravarty ◽  
...  
Keyword(s):  
Comparative Study ◽  
Metal Oxides ◽  
High Performance ◽  
Electrode Materials ◽  
Hollow Nanostructures ◽  
Supercapacitor Applications

Comparative study of TMO based hollow and solid nanostructures for supercapacitor applications.

scholarly journals Flexible, Transparent and Highly Conductive Polymer Film Electrodes for All-Solid-State Transparent Supercapacitor Applications

Membranes ◽  
2021 ◽  
Vol 11 (10) ◽  
pp. 788
Author(s):  
Xin Guan ◽  
Lujun Pan ◽  
Zeng Fan
Keyword(s):  
Energy Storage ◽  
Solid State ◽  
Electrochemical Properties ◽  
Polymer Film ◽  
High Performance ◽  
Electrode Materials ◽  
Wearable Electronics ◽  
Energy Storage Devices ◽  
Active Electrode ◽  
Supercapacitor Applications

Lightweight energy storage devices with high mechanical flexibility, superior electrochemical properties and good optical transparency are highly desired for next-generation smart wearable electronics. The development of high-performance flexible and transparent electrodes for supercapacitor applications is thus attracting great attention. In this work, we successfully developed flexible, transparent and highly conductive film electrodes based on a conducting polymer, poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS). The PEDOT:PSS film electrodes were prepared via a simple spin-coating approach followed by a post-treatment with a salt solution. After treatment, the film electrodes achieved a high areal specific capacitance (3.92 mF/cm2 at 1 mA/cm2) and long cycling lifetime (capacitance retention >90% after 3000 cycles) with high transmittance (>60% at 550 nm). Owing to their good optoelectronic and electrochemical properties, the as-assembled all-solid-state device for which the PEDOT:PSS film electrodes were utilized as both the active electrode materials and current collectors also exhibited superior energy storage performance over other PEDOT-based flexible and transparent symmetric supercapacitors in the literature. This work provides an effective approach for producing high-performance, flexible and transparent polymer electrodes for supercapacitor applications. The as-obtained polymer film electrodes can also be highly promising for future flexible transparent portable electronics.

Intercalated reduced graphene oxide and its content effect on the supercapacitance performance of the three dimensional flower-like β-Ni(OH)2 architecture

2017 ◽  
Vol 41 (18) ◽  
pp. 10467-10475 ◽  
Author(s):  
Nazish Parveen ◽  
Sajid Ali Ansari ◽  
S. G. Ansari ◽  
H. Fouad ◽  
Moo Hwan Cho
Keyword(s):  
Graphene Oxide ◽  
Metal Oxides ◽  
Reduced Graphene Oxide ◽  
Graphene Sheet ◽  
Electrode Materials ◽  
Three Dimensional ◽  
Highly Efficient ◽  
Reduced Graphene ◽  
Controlled Morphology ◽  
Supercapacitor Applications

Anchoring of three dimensional (3D) metal oxides with a controlled morphology on a reduced graphene sheet (rGO) is a promising and challenging route towards the development of highly efficient electrode materials for supercapacitor applications.

Electrodeposition of Metal Oxides on Spray-Coated Nanostructured Carbon Framework As High Performance Electrode Materials for Asymmetric Pseudocapacitors

2020 ◽  
Vol MA2020-01 (4) ◽  
pp. 581-581
Author(s):  
Clémence Rogier ◽  
Grégory Pognon ◽  
Paolo Bondavalli ◽  
Christophe Galindo ◽  
Tran-Minh-Giao Nguyen ◽  
...  
Keyword(s):  
Metal Oxides ◽  
High Performance ◽  
Electrode Materials ◽  
Nanostructured Carbon ◽  
Carbon Framework

scholarly journals Recent Advance in Co3O4 and Co3O4-Containing Electrode Materials for High-Performance Supercapacitors

Molecules ◽  
2020 ◽  
Vol 25 (2) ◽  
pp. 269 ◽  
Author(s):  
Xuelei Wang ◽  
Anyu Hu ◽  
Chao Meng ◽  
Chun Wu ◽  
Shaobin Yang ◽  
...  
Keyword(s):  
Transition Metal ◽  
Metal Oxides ◽  
Transition Metal Oxides ◽  
High Performance ◽  
Electrode Materials ◽  
Sol Gel ◽  
High Specific Capacitance ◽  
Chemical Precipitation ◽  
Synthetic Methods ◽  
Energy Storage Devices

Among the popular electrochemical energy storage devices, supercapacitors (SCs) have attracted much attention due to their long cycle life, fast charge and discharge, safety, and reliability. Transition metal oxides are one of the most widely used electrode materials in SCs because of the high specific capacitance. Among various transition metal oxides, Co3O4 and related composites are widely reported in SCs electrodes. In this review, we introduce the synthetic methods of Co3O4, including the hydrothermal/solvothermal method, sol–gel method, thermal decomposition, chemical precipitation, electrodeposition, chemical bath deposition, and the template method. The recent progress of Co3O4-containing electrode materials is summarized in detail, involving Co3O4/carbon, Co3O4/conducting polymer, and Co3O4/metal compound composites. Finally, the current challenges and outlook of Co3O4 and Co3O4-containing composites are put forward.

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