An international research group has utilized a new porosification technique to build gallium arsenide (GaAs) solar cells that allow the recovery of germanium films. The new cell achieved an efficiency that is reportedly in line with that of other GaAs PV devices, but can be produced at a lower cost thanks to the reuse of germanium.
The company’s revenues for Q3 pulled back 71% when compared with Q3 2022.
The hydrogen storage project is expected to last two years, and comprise four research phases.
Northvolt Six will use a circular economy approach in its 60 GW/h of annual cell manufacturing in Quebec, assembling batteries for the U.S. automotive market.
The intrinsic efficiency of renewables will lower the overall cost of energy from 4% of GDP today to about 2.5% by 2050, said a report from DNV.
Scientists in Canada have combined PV power generation with water purification based on capacitive deionization (CDI), which is claimed to have low operational cost, enhanced energy efficiency, and less water rejection than conventional purification techniques. The solar-powered system prototype is able to produce more water than a conventional CDI system on a sunny day.
Researchers in Canada have found that nearly zero-energy buildings (NZEBs) with on-site solar energy generation should not exceed an energy use intensity (EUI) of 50 kWh/m2a, which they said corresponds to a maximum of 10 floors. They also ascertained that the maximum permitted EUI by net-zero energy status is 17 to 28 kWh/m2a.
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