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Air-breathing Battery Could Cut Costs of Renewable Energy Storage

Solar power and wind are increasingly popular sources for renewable energy. But intermittency issues keep them from connecting widely to the U.S. grid: They require energy-storage systems that, at the cheapest, run about $100 per kilowatt hour and function only in certain locations. Now MIT researchers have developed an “air-breathing” battery that could store electricity […]

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Expanding Wavelength Range for Solar Energy Conversion

Sunlight comes in a spectrum, with each color having a different wavelength. Solar cells must absorb light of particular wavelengths, depending on how much energy the cell needs to drive the reaction. Hydrogen gas is a promising “green” fuel. The lightest chemical element, hydrogen is an efficient energy store and could potentially replace gasoline in […]

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Head to Head: PERC or Mono Half-Cell

These innovative new technologies for solar PV systems have the potential to further boost power output and reduce overall costs. The technology of Passivated Emitter and Rear Cells (PERC) originated in 1990s and since then monocrystalline PERC has become increasingly popular due to its great efficiency. On the other hand, Half-cut solar cells are part […]

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World’s Largest OPV System Installed on French School Roof

The goal of this experimental project is to open the door to longer term and large-scale development of OPV technology. French multinational Engie has inaugurated the world’s largest organic photovoltaic (OPV) system on a roof at a school in France, with Heliatek’s technology. The 530m2 roof of the Pierre Mendès-France secondary school, in La Rochelle, […]

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Sungrow SG125HV 1500VDC String Inverter

Product Brief Sungrow, the global leading inverter solution supplier for renewables, introduced its latest 1500V SG125HV string inverters at the Renewable Energy India Expo 2017. The SG125HV, the world’s most powerful 1500Vdc string inverter rated at 125kW, is proved to work stably in full power operation without derating at 50 degrees Celsius, maximizing the return […]

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Bifacials Changing Face of The Solar Industry

As solar technology has improved over the last decade, the prices have dropped exponentially as module efficiency has advanced. In recent years, there’s been a growing concern that we are approaching an efficiency ceiling. Bifacial solar cells and modules are making a big comeback as the photovoltaic industry is looking for more ways to generate […]

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Indian Solar Power Market Witnesses Change in Demand-Supply Landscape

Lack of visibility over project pipeline is forcing solar power developers to bid aggressive tariffs and reconsider strategic options including consolidation. The Indian solar power market is being tested to its limits. GST has increased execution costs. Module prices have shot up when bidders were factoring in another 20% price decline by the end of […]

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NREL Inks Technology Agreement for High Efficiency Multijunction Solar Cells

The IMM technique licensed by MicroLink Devices enables multijunction III-V solar cells to be grown with both higher efficiencies and lower costs than traditional multijunction solar cells by reversing the order in which individual sub-cells are typically grown. The U.S. Department of Energy’s (DOE) National Renewable Energy Laboratory (NREL) has entered into a license agreement […]

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