Technology and R&D

Toshiba claims record efficiency with film-based perovskite solar mini-modules

Japan’s Toshiba has fabricated a perovskite solar cell mini-module with an energy conversion rate of 10.5%, which it claims is now the highest rate that has been reached throughout the world with a multi-cell mini-module.

Fraunhofer ISE announces 22.3% efficiency for polycrystalline solar cell

The German research institute said this new result has beaten its own world record, which it set in Februrary reaching a 21.9% efficiency.

US scientists develop new process to make stacks of semiconductors just a few atoms thick

R&D departments at the University of Chicago and Cornell University have pieced together a new atomic scale semi-conductor manufacturing procedure that can provide “the foundation for modern integrated circuitry”.

Hanergy to provide thin-film solar panels to MTbike

China’s Hanergy Holding has signed a CNY 300 million ($45.5 million) strategic agreement with bike-sharing company MTbike, following several other agreements it has recently concluded to generate power with firms in the transportation industry.

Cambridge scientists say perovskite-based PV cells can achieve maximum 30% efficiency

Researchers from the University of Cambridge and Italy’s Politecnico di Milano have set a time limit for ultrafast perovskite solar cells and have quantified the speeds at which future solar cells would have to operate in order to increase efficiency.

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Scientists create waterproof, wearable photovoltaics

Coated on both sides with an elastomer that ensures stretchability and stability in water, the new textile-compatible photovoltaics are able to maintain high efficiency of 7.9%.

LONGi Solar hits 22.43% PERC cell conversion efficiency

Monocrystalline PV manufacturer LONGi Solar has reached record 22.43% conversion efficiency on a PERC cell based on mass production technology. The result is confirmed in a report from China’s National Center of Supervision and Inspection in Solar PV Product Quality (CPVT).

Jordan: Sahara Forest Project using solar to turn desert into vegetated spaces

Project funded in part by EU and Norwegian government allows project to thrive using a smart mixture of solar power, salt water, irrigation and smart technologies.

Interview: SunPower pivots to more conventional cell technologies and shingled cell modules

SunPower is famous for its back-contact cells, boasting one of the industry’s most advanced technologies. Josh Moore, SunPower Director, explains why the company is now ramping up 600 MW of production for different types of front-contact cells and shingled modules. He will pitch the advantages at pv magazine’s Future PV event to be held at SPI on Tuesday September 12.

Scientists use light & humidity to ‘heal’ perovskite defects

A team of researchers from leading European and USA universities has discovered that defects in crystalline perovskite structures can be permanently healed through careful exposure to light and humidity.