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Solar Inverters: Losses Are Cut in Half
A switching trick makes it
possible to cut the losses
of a series-production
inverter in half and
increase the efficiency from
96 to 98 percent. The new
technology makes it possible
... > full story
Solar Panels for NASA's Juno Spacecraft Complete Testing
The three massive solar
panels that will provide
power for NASA's Juno
spacecraft during its
mission to Jupiter have seen
their last photons of light
... > full story
Flexible Films for Photovoltaics
Displays that can be rolled
up and flexible solar cells
-- both are potential future
markets. Barrier layers that
protect thin-film solar
cells from oxygen and water
vapor and thus increase
... > full story
California's Energy Future: Aggressive Efficiency and Electrification Needed to Cut Emissions
In the next 40 years,
California's demand for
energy is expected to
double. So can it really
reduce its greenhouse gas
... > full story
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Photosynthesis Mechanics: Tapping Into Plants Is the Key to Combat Climate Change, Says Scientist
June 1, 2011 — The mechanics behind photosynthesis in plants could be used in the fight against climate change, according to one ... > full story -
Energy and the Environment
Renewable Energy
Alternative Fuels
Fuel Cells
Environmental Science
Energy Technology
Scientists Generates Hydrogen as an Energy Source from Ethanol and Sunlight
May 26, 2011 — A team of researchers from Spain, Scotland, and New Zealand has used ethanol and sunlight to generate hydrogen as an energy source. The advance offers a scalable and economically viable energy ... > full story -
Supercapacitors: Cheaper, Greener, Alternative Energy Storage
May 24, 2011 — Students are working on a supercapacitor that will allow us to harness more solar energy through biochar electrodes for supercapacitors, resulting in a cleaner, greener ... > full story -
Energy and the Environment
Solar Energy
Renewable Energy
Geomagnetic Storms
Environmental Science
Materials Science
Record Efficiency of 18.7 Percent for Flexible Solar Cells on Plastics, Swiss Researchers Report
May 20, 2011 — Swiss scientists have further boosted the energy conversion efficiency of flexible solar cells made of copper indium gallium (di)selenide (also known as CIGS) to a new world record of 18.7 percent -- ... > full story -
New Solar Product Captures Up to 95 Percent of Light Energy
May 17, 2011 — A chemical engineering researcher is developing a flexible solar sheet that captures more than 90 percent of available light. Today's solar panels only collect 20 percent of available ... > full story -
Energy and the Environment
Thermodynamics
Energy Technology
Environmental Science
Electricity
Renewable Energy
Energy Harvesters Transform Waste Into Electricity
May 16, 2011 — Billions of dollars lost each year as waste heat from industrial processes can be converted into electricity with a new technology under ... > full story -
Improving Photosynthesis? Solar Cells Beat Plants at Harvesting Sun's Energy, for Now
May 12, 2011 — In a head-to-head battle of harvesting the sun's energy, solar cells beat plants. But scientists think they can even up the playing field. Plants are less efficient at capturing the energy in ... > full story -
Pairing Quantum Dots With Fullerenes for Nanoscale Photovoltaics
May 10, 2011 — In a step toward engineering ever-smaller electronic devices, scientists have assembled nanoscale pairings of particles that show promise as miniaturized power sources. Composed of light-absorbing, ... > full story -
Measurement of 'Hot' Electrons Could Have Solar Energy Payoff; Nanoantennas Hold Promise for Infrared Photovoltaics
May 9, 2011 — Basic scientific curiosity paid off in unexpected ways when researchers investigating the fundamental physics of nanomaterials discovered a new technology that could dramatically improve solar energy ... > full story -
'Swiss Cheese' Design Enables Thin Film Silicon Solar Cells With Potential for Higher Efficiencies
May 8, 2011 — A bold new design for thin film solar cells that requires significantly less silicon -- and may boost their efficiency -- is the result of a new Sw1ss-Czech ... > full story
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