Journal ArticleDOI
Facile approach to prepare loose-packed cobalt hydroxide nano-flakes materials for electrochemical capacitors
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TLDR
In this paper, cobalt hydroxide nano-flakes are successfully synthesized by a facile chemical precipitation method and a maximum specific capacitance of 735 F ǫg −1 can be achieved in 2 M aqueous KOH with the potential range from −0.2 to 0.4 V (vs. SCE) in a half-cell setup configuration for the Co(OH) 2 electrode, suggesting its potential application in electrochemical capacitors.About:
This article is published in Journal of Power Sources.The article was published on 2009-12-01. It has received 221 citations till now. The article focuses on the topics: Cobalt hydroxide & Cyclic voltammetry.read more
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Ni(OH)2 Nanoplates Grown on Graphene as Advanced Electrochemical Pseudocapacitor Materials
TL;DR: Ni(OH)2 nanocrystals grown on graphene sheets with various degrees of oxidation are investigated as electrochemical pseudocapacitor materials for potential energy storage applications in this paper, where they exhibit a high specific capacitance of ∼1335 F/g at a charge and discharge current density of 2.8 A/g and ∼953 F/m at 45.7 A/m with excellent cycling ability.
Journal ArticleDOI
A High Energy Density Asymmetric Supercapacitor from Nano-architectured Ni(OH)2/Carbon Nanotube Electrodes
Zhe Tang,Chunhua Tang,Hao Gong +2 more
TL;DR: In this article, an additive-free nano-architectured nickel hydroxide/carbon nanotube (Ni(OH)2/CNT) electrode was proposed for high energy density supercapacitors.
Nanostructured Transition Metal Oxides for Aqueous Hybrid Electrochemical Supercapacitors
TL;DR: In this paper, the authors present an overview of the research carried out in our laboratories with low-cost transition metal oxides (manganese dioxide, iron oxide and vanadium oxide) as active electrode materials for aqueous electrochemical supercapacitors.
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Transition metal based layered double hydroxides tailored for energy conversion and storage
TL;DR: The first (3d) series transition metals based layered double hydroxides (TM-LDHs) are attracting increasing interest in the field of energy conversion and storage processes due to their unique physicochemical properties as mentioned in this paper.
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Microwave-assisted synthesis of metal oxide/hydroxide composite electrodes for high power supercapacitors – A review
Soheila Faraji,Farid Nasir Ani +1 more
TL;DR: In this article, the performance data of metal oxide thin film electrodes by microwave-assisted as an inexpensive, quick and versatile technique is presented for supercapacitor performance data, and metal oxide films will continue to play a major role in supercapACitor technology and are expected to considerably increase the capabilities of these devices in near future.
References
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Journal ArticleDOI
What Are Batteries, Fuel Cells, and Supercapacitors?
Martin Winter,Ralph J. Brodd +1 more
TL;DR: Batteries, fuel cells and supercapacitors belong to the same family of energy conversion devices and are needed to service the wide energy requirements of various devices and systems.
Book
Electrochemical Supercapacitors : Scientific Fundamentals and Technological Applications
TL;DR: In this paper, the double-layer and surface functionalities at Carbon were investigated and the double layer at Capacitor Electrode Interfaces: its structure and Capacitance.
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Principles and applications of electrochemical capacitors
Rüdiger Kötz,M. Carlen +1 more
TL;DR: In this article, the fundamental principles, performance, characteristics, present and future applications of electrochemical capacitors are presented in this communication, and different applications demanding large ECs with high voltage and improved energy and power density are under discussion.
Journal ArticleDOI
Charge Storage Mechanism of MnO2 Electrode Used in Aqueous Electrochemical Capacitor
TL;DR: The charge storage mechanism in MnO2 electrode, used in aqueous electrolyte, was investigated by cyclic voltammetry and X-ray photoelectron spectroscopy as discussed by the authors.
Journal ArticleDOI
3D aperiodic hierarchical porous graphitic carbon material for high-rate electrochemical capacitive energy storage
TL;DR: This paper presents a probabilistic analysis of the response of the immune system to natural disasters to the presence of carbon dioxide in the air and shows clear patterns of decline over time.