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Energy

Technologies for sustainable and renewable energy


Combined Solar Cell and Battery

Written by , on October 21, 2014

Researchers at Ohio State University have reported that they have succeeded in combining a battery and a solar cell into one hybrid device.  Read more »

Airborne Turbine for Remote Sites

Written by , on October 2, 2014

Winds 300 to 600 metres above the ground are, on average 5 to 8 times as strong as those at the surface.

Altaeros, a four-year-old company in Massachusetts, has developed its Buoyant Airborne Turbine (BAT) to take advantage of these stronger, more consistent winds.  Read more »

Singing Bowls Inspire More Efficient Solar Cells

Written by , on September 10, 2014

Dr Niraj Lal, a researcher from Australia National University has used the shape of Buddhist singing bowls as the inspiration for a more efficient type of solar cells.  Read more »

New Material Converts Solar Energy to Steam

Written by , on September 10, 2014

A new material structure, developed at MIT, generates steam when simply floated on water and placed in the sun.   Read more »

Device Recovers Waste Heat from Showers

Written by , on August 15, 2014

A new drain heat exchanger for waste heat recovery in residential buildings promises to be the first practical version for home shower use. It is claimed to recover up to 45% of the waste heat from shower drains while offering a good return on investment.  Read more »

Solar Drink Cooler

Written by , on August 11, 2014

Coca Cola, in collaboration with the International Physics Centre in Bogota, Colombia, have developed a fridge that cools drinks without using any electricity.  Read more »

Solar Wind Energy Tower

Written by , on July 22, 2014

Solar Wind Energy Inc has developed a hybrid solar-wind renewable energy technology which uses solar heat to generate wind that turns turbines.  Read more »

Energy Payback from Wind Turbines Is 6 to 12 Months

Written by , on July 22, 2014

Researchers at Oregon State University have carried out an environmental lifecycle assessment of 2-megawatt wind turbines planned for a large wind farm.  Read more »

40% More Efficient Cooking Pan

Written by , on July 15, 2014

A new type of cooking pan makes better use of available heat.  Read more »

Tidal Lagoons Could Generate 10% of UK’s Power

Written by , on July 10, 2014

A British company, Tidal Lagoon Power, is proposing to develop a network of tidal lagoon power stations. It says that it could provide 10% of the UK’s power needs by building at least five full-scale tidal lagoons in UK waters by 2023,  Read more »