Journal ArticleDOI
Ideal capacitive behavior of hydrous manganese oxide prepared by anodic deposition
Chi-Chang Hu,Ta-Wang Tsou +1 more
TLDR
Amorphous hydrous manganese oxide (a-MnO2·nH2O) was anodically deposited onto a graphite substrate from a MnSO4·5H 2O solution with pH of 6.4.About:
This article is published in Electrochemistry Communications.The article was published on 2002-02-01. It has received 550 citations till now. The article focuses on the topics: Cyclic voltammetry & Oxide.read more
Citations
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Journal ArticleDOI
Materials for electrochemical capacitors
TL;DR: This work has shown that combination of pseudo-capacitive nanomaterials, including oxides, nitrides and polymers, with the latest generation of nanostructured lithium electrodes has brought the energy density of electrochemical capacitors closer to that of batteries.
Journal ArticleDOI
A review of electrode materials for electrochemical supercapacitors
TL;DR: Two important future research directions are indicated and summarized, based on results published in the literature: the development of composite and nanostructured ES materials to overcome the major challenge posed by the low energy density.
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.
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Manganese oxide-based materials as electrochemical supercapacitor electrodes
TL;DR: In order to fully exploit the potential of manganese oxide-based electrode materials, an unambiguous appreciation of basic questions and optimization of synthesis parameters and material properties are critical for the further development of EC devices.
Journal ArticleDOI
Review on supercapacitors: Technologies and materials
TL;DR: In this article, the technologies and working principles of different materials used in supercapacitors are explained, together with brief explanations of their properties, such as specific surface area and capacitance values.
References
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Book
Atlas of Electrochemical Equilibria in Aqueous Solutions
TL;DR: The Atlas of Electrochemical Equilibria in Aqueous solutions as discussed by the authors is the most complete and complete work on aqueous solvents, which includes a detailed description of the properties of the solvers.
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Hydrous Ruthenium Oxide as an Electrode Material for Electrochemical Capacitors
TL;DR: In this article, the crystalline structure and the electrochemical properties of the hydrous ruthenium oxide powder have been studied as a function of the annealing temperature.
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Novel Electrode Materials for Thin‐Film Ultracapacitors: Comparison of Electrochemical Properties of Sol‐Gel‐Derived and Electrodeposited Manganese Dioxide
TL;DR: In this paper, the performance of thin films of manganese dioxide on nickel foils was studied by cyclic voltammetry in the range 0.0-0.9 V (SCE) and by chronopotentiometry in unbuffered solution.
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Electrochemical Synthesis of Metal Oxides and Hydroxides
TL;DR: In this paper, illustrative examples to highlight the potential application of electrogeneration of base, anodic oxidation, and ac (alternating current) synthesis provide simple and inexpensive alternative routes to the synthesis of ceramic thin films and coatings.
Journal ArticleDOI
Characterization of Sol‐Gel‐Derived Cobalt Oxide Xerogels as Electrochemical Capacitors
TL;DR: Very fine cobalt oxide xerogel powders were prepared using a unique solution chemistry associated with the sol-gel process as mentioned in this paper, and the effect of thermal treatment on the surrace area, pore volume, crystallinity, particle structure, and corresponding electrochemical properties was investigated and found to have significant effects on all of these properties.