Perovskite-silicon tandem PV cell with textured wafers hits 28.1% efficiency
Researchers in Saudi Arabia have built a perovskite-silicon tandem cell with textured silicon wafers to offer superior light trapping. The device has an open-circuit voltage of 1,851 mV, a short-circuit current of 18.9 mA/cm2, and a fill factor of 80.1%.
New polymer material for PV cables
Chemical manufacturer Avient has announced the launch of new, cross-linkable polymers for use in photovoltaic cables.
Startup unveils lithium iron phosphate battery for residential applications
MyGrid’s new 1.5 kWh lithium iron phosphate battery system purportedly runs for more than 6,000 cycles. It uses a bidirectional charger to receive and send electricity to the grid via a wall socket.
Solar-powered artificial leaf to produce hydrogen from air
Chemical engineers in Switzerland have invented a solar-powered artificial leaf. Their solar-powered, transparent and porous electrode turns water from its gaseous state in the air into hydrogen fuel.
Schneider Electric releases residential solution with battery, inverter, EV charger
Schneider Electric’s new Schneider Home platform includes a smartphone app to monitor and allocate energy resources.
Trina Solar starts producing 210 mm n-type TOPCon solar cells
Trina Solar says its industrial tunnel-oxide passivated contact (i-TOPCon) solar cells, based on 210 mm wafers, have started rolling off the production line at its 8 GW factory in China. It will use the n-type cells to produce its new Vertex N modules, with power outputs ranging up to 605 W, and an efficiency rating of 22.4%.
UK researchers develop solar-powered waste-to-fuel system
The University of Cambridge has developed a device that converts plastics and greenhouse gases to usable fuels and products.
Sun-tracking vs. fixed vehicle-integrated PV
European researchers have evaluated the electricity generation, levelized cost of electricity (LCOE), and payback period of vehicle-integrated PV in EVs.
Photocatalytic water splitting with 9.2% solar-to-hydrogen efficiency
A US research team has developed a new technique to produce hydrogen from sunlight and water. It works in an indoor environment and uses pure water, concentrated solar light, and an indium gallium nitride photocatalyst.
Novel database on existing, planned renewables, solar projects in Africa
A new database developed by researchers in Germany includes 1,074 hydropower projects, 1,128 solar plants, and 276 wind power assets, along with geographic coordinates, construction statuses, and capacities for each of them.
