German researchers have developed a new PV cell with a certified efficiency of 23.5%, an open-circuit voltage of 1.59 V, a short-circuit current of 19.4 mA cm–2, and a fill factor of 75.5%. It reached maximum efficiency of up to 24.9%, due to the high quality of the subcells.
Enerwhere has designed a solar-plus-storage mobile unit for offgrid locations such as oil and gas fields and construction sites. It can be adapted to different needs and is scalable up to megawatt-scale projects.
The Netherlands is planning a €1.5 billion ($1.6 billion) green hydrogen network that will consist of 85% recycled natural gas pipes. It is expected to go online in 2027.
Romania is set to put new solar regulations into force through the end of 2026. The rules will allow PV, wind, biomass, bioliquid, biogas, storage projects, and transformer stations to be built directly on land in several previously prohibited fertility classes.
Dutch researchers have developed a heat pump that can be used in combination with rooftop solar generation, due to its modulating capabilities and temperature flexibility. It measures 55 cm x 55 cm x 55 cm and has an output of 6 kW.
Stanford University scientists have built an optical concentrator that purportedly harvests more than 90% of the light that hits its surface.
Renewable hardware that lasts longer and uses fewer materials could bolster recycling efforts and help to build an effective circular economy for solar and battery technologies, says the US National Renewable Energy Laboratory (NREL).
Researchers from the Indian Institute of Science, Bangalore, have found that nanoscopic refractory metal layers like tungsten could improve dendrite growth tolerance in electrolytes of solid-state Li-ion batteries. The team collaborated with researchers from Carnegie Mellon University.
A new report recommends a differential pricing mechanism for pumped-hydro energy storage (PHES) projects in pumping (off-peak operation) and generating mode (peak operation).
Amid growing concerns about the global supply of raw materials, which battery chemistries have the best chance, if any, of supplanting lithium-ion devices?
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