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...
Bugs from space to increase the electrical output of the fuel cells
Bacteria normally found 30km above the earth have been identified as highly efficient generators of electricity.
Bacillus stratosphericus - a microbe commonly found in high...
Renewable energy would be the cleanest solution to power Cincinnati
Cincinnati, Ohio would be officially 100 percent powered by renewable energy without significant cost increase for actual consumers.
The Queen City is moving toward a...
Single-atom transistor for a future quantum computer
In a remarkable feat of micro-engineering, UNSW physicists have created a working transistor consisting of a single atom placed precisely in a silicon crystal.
The...
EasyJet to implement the electric green taxi-ing system for its fleet
EasyJet the European low-cost airline is to trial a new electric green taxi-ing system that could deliver significant fuel and carbon emissions reduction by...
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...
How a battery material works
MIT team uncovers a reason why the hottest new material for rechargeable batteries works so well.
Since its discovery 15 years ago, lithium iron phosphate...
Nanoshell whispering galleries improve thin solar panels
Engineers at Stanford have created photovoltaic nanoshells that harness a peculiar physical phenomenon to better trap light in the solar materials. The results could...
Pacemaker powered by heartbeat vibrations
Because of this reason the researchers have searched for ways to prolong battery life.
They started to generate energy to power a pacemaker using blood...
The effects of climate change in the Arctic
Two decades after the United Nations established the Framework Convention on Climate Change in order to “prevent dangerous anthropogenic interference with the climate system”,...