Energy & Green Tech

Flexible solar cells with record efficiency of 22.2%

Empa researchers have, once again, improved the efficiency of CIGS flexible solar cells. Independently certified measurements revealed a power conversion efficiency of 22.2% to convert light into electricity, an improvement ...

Energy & Green Tech

UN urges 'complete transformation' of global energy system

Climate change risks undermining global energy security unless the use of renewables is dramatically scaled up, the UN warned Tuesday, suggesting the Ukraine conflict's ripple effects could speed up the green transition.

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