Carbon-based materials as supercapacitor electrodes
This tutorial review provides a brief summary of recent research progress on carbon-based electrode materials for supercapacitors, as well as the importance of electrolytes in t...
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What Are Batteries, Fuel Cells, and Supercapacitors?
Electrochemical energy conversion devices are pervasive in our daily lives. Batteries, fuel cells and supercapacitors belong to the same family of energy conversion devices. The...
Chemistry and Properties of Nanocrystals of Different Shapes
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTChemistry and Properties of Nanocrystals of Different ShapesClemens Burda, Xiaobo Chen, Radha Narayanan, and Mostafa A. El-SayedView ...
Resilience, Adaptability and Transformability in Social-ecological Systems
The concept of resilience has evolved considerably since Holling's (1973) seminal paper. Different interpretations of what is meant by resilience, however, cause confusion. Resi...
Exceptional chemical and thermal stability of zeolitic imidazolate frameworks
Twelve zeolitic imidazolate frameworks (ZIFs; termed ZIF-1 to -12) have been synthesized as crystals by copolymerization of either Zn(II) (ZIF-1 to -4, -6 to -8, and -10 to -11)...
Cellulose: Fascinating Biopolymer and Sustainable Raw Material
Abstract As the most important skeletal component in plants, the polysaccharide cellulose is an almost inexhaustible polymeric raw material with fascinating structure and proper...
Band parameters for III–V compound semiconductors and their alloys
We present a comprehensive, up-to-date compilation of band parameters for the technologically important III–V zinc blende and wurtzite compound semiconductors: GaAs, GaSb, GaP, ...
Nitrogen-Doped Carbon Nanotube Arrays with High Electrocatalytic Activity for Oxygen Reduction
The large-scale practical application of fuel cells will be difficult to realize if the expensive platinum-based electrocatalysts for oxygen reduction reactions (ORRs) cannot be...
Two-Dimensional Nanosheets Produced by Liquid Exfoliation of Layered Materials
Layered transition metal dichalcogenides, such as tungsten disulfide, are exfoliated into atomically thin flakes.
Superconductivity at 93 K in a new mixed-phase Y-Ba-Cu-O compound system at ambient pressure
A stable and reproducible superconductivity transition between 80 and 93 K has been unambiguously observed both resistively and magnetically in a new Y-Ba-Cu-O compound system a...