Rechargeable Sodium-Ion Batteries
With a near-theoretical capacity of 250 mAh/g, excellent rate capability and cycle life, and high energy and power densities of 760 Wh/kg and 1200...
Converting the energy of waste heat occurring in integrated circuits
The heat which occurs in tiny computer processors might soon be no longer useless or even a problem. On the contrary: It could be...
Nitrogen Dioxide Gas Sensor Based on Vertically-Grown In As Nanowires
Imec and Holst Centre have developed an innovative sensor for measuring ultra-low concentrations of NO2. These sensors are important for applications that monitor environmental...
Quantum Dots – Key for the Efficient Future Solar Cells
According to the theory of multiple exciton generation, when an electron absorbs light energy can transfer energy to more than another one electron resulting...
Super-Fast Quantum Computer Better Controlled at Building Blocks
Scientists from the Kavli Institute of Nanoscience at Delft University of Technology and Eindhoven University of Technology in The Netherlands have succeeded in controlling...
Unzipped carbon nanotubes could help energize fuel cells and batteries
Multi-walled carbon nanotubes riddled with defects and impurities on the outside could replace some of the expensive platinum catalysts used in fuel cells and...
How to bring sunlight into your home
The science of light and liquids has been intimately entwined since Léon Foucault discovered the speed of light in 1862, when he observed that...
Ferroelectric nanostructures directly on plastic
The technique, which uses a heated atomic force microscope (AFM) tip to produce patterns, could facilitate high-density, low-cost production of complex ferroelectric structures for...
Solar cells could reach 70 percent efficiency
It has long been thought that conversion efficiency of solar cells cannot exceed 34 percent for a single material or less than about 45...
Smart Windows – Block Heat On Hot Days But Let In The Heat In...
New materials science research could hasten the creation of "smart" windows that reflect heat from the sun on hot summer days but let in...