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New Optimization Model Could Provide Higher Solar-Power Integration in Residential Photovoltaic Systems

It has been established that solar power is a source of mainstream power generation throughout the world. A number of photovoltaic (PV) systems have been installed in residential homes at or near the distribution site.

26 Jul 2017

Researchers Study Impact of Ethanol-to-Gasoline Switch in São Paulo, Brazil

A new study by a Northwestern University Chemist, a National University of Singapore economist and two University of São Paulo physicists revealed that the concentration of ultrafine particles less than 50 nm in diameter increased by one-third in the air of São Paulo, Brazil.

19 Jul 2017

Nanomaterial catalyst has potential to improve solar energy storage

Researchers at the Paul Scherrer Institute (PSI) in Switzerland have developed a new material that acts as a catalyst within the electrolyser, potentially making such devices cheaper and more efficient in the future.

18 Jul 2017

Rooftop Concentrating Photovoltaics Perform Better than Silicon in Outdoor Testing Study

In a head-to-head competition, a concentrating photovoltaic system with embedded microtracking can produce more than 50% extra energy daily than standard silicon solar cells, according to a team of Engineers who field tested a prototype unit over two sunny days in Fall last year.

18 Jul 2017

Researchers Build Solar Cell Capable of Capturing Almost All Energy of Solar Spectrum

Researchers have designed and created a prototype for a new solar cell that incorporates many cells stacked into a single device capable of trapping almost all of the energy in the solar spectrum.

12 Jul 2017

Meniscus-Assisted Method to Create Very Efficient Perovskite PV Films

A new low-temperature solution printing method allows fabrication of high-efficiency perovskite solar cells with large crystals projected to reduce current-robbing grain boundaries. The meniscus-assisted solution printing (MASP) method increases power conversion efficiencies to approximately 20% by manipulating crystal size and orientation.

10 Jul 2017

Selective Electrocatalysts Developed to Improve Direct Methanol Fuel Cell Performance

Researchers from the Institute of Process Engineering (IPE) of the Chinese Academy of Sciences recently have developed a new technology to increase performance of direct methanol fuel cells (DMFCs) using high-concentration methanol as fuel, thereby shedding some light on the design of clean and economical alternative energy sources for portable electric gadgets.

3 Jul 2017