U.S. start-up EnerVenue has secured funding to build a gigafactory to produce nickel-hydrogen batteries for large scale renewable and storage applications. The battery has an efficiency ranging from 80 to 90%, depending on the cycle rate, and its energy density per square foot is equal to, or better than lithium-ion batteries, according to the company.
The modular power station comes with two lithium iron phosphate (LFP) batteries and has a capacity of 6 kW/24.6 kWh. It relies on a 3 kW pure sine wave inverter which the manufacturer said is able to adjust the AC charging rate.
The new residential module of the U.S.-based manufacturer has a power conversion efficiency of 20.40%, a size of 1,076×1,957x35mm, and a weight of 21.3kg. The product is claimed to be compatible with next-generation, module-level power electronics.
BayWa r.e. and the Fraunhofer Institute for Solar Energy Systems ISE have built a 258 kW agrivoltaic system that hosts apple cultivation under four different crop protection systems. The system utilizes agrivoltaic technology with permanent, light-permeable PV modules that block rain, and tracking PV module tech that blocks rain only if necessary.
The three Chinese panel manufacturers found an agreement on the module size and the mounting hole spacing.
The Chinese manufacturer and the University of New South Wales (UNSW) have improved the average cell efficiency by 0.68% through a post-cell hydrogenation process. The cell’s average open-circuit voltage increased by 7 mV from 696 to 703 mV, and the average fill factor from 82.03% to 83.07%.
Developed by an Italian manufacturer, the panel is available in three versions with a power output of 100, 120, and 240 W and has a weight of 5 kg. It is encapsulated in thermoformable plastic technical polymers and can be connected in series with other modules around the same post.
Dutch startup Solarge has developed a 500 W panel that weighs 50% less than conventional glass-backsheet modules. The new product can be fixed to rooftops with roofing anchors, which eliminates the need for ballast, according to the manufacturer.
A Dutch research group has shown that south-oriented solar parks offer better environmental conditions for soil and vegetation than east-west oriented facilities. According to their findings, a distance between panel rows of at least 1.5 times panel height is crucial to favor ideal plant growth and soil functioning.
Called SolFlex, the frameless panel is based on 22%-efficient solar cells and is designed for high, one-sided heat load. The standard product measures 100x100x2.9cm, weighs in at 3.4kg, and has a power output of 170 W.
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