The Hydrogen Stream: New hydrogel for bubble detachment in hydrogen production
South Korean researchers have published a new study on the use of hydrogel to remove gas bubbles in hydrogen production, while Shell has revealed that it will continue with its hydrogen investments in the Netherlands, Vestas, meanwhile, said it will launch a pilot project to use hydrogen in a crew transfer vessel.
Smart solar window based on thermochromic laminate
Dutch researchers have developed a solar window concept that blocks heat from the sun in warm weather and absorbs heat during colder periods.
All-perovskite tandem solar panel with 19.1% efficiency
German scientists have developed a two-terminal, all-perovskite solar panel with laser scribing and module interconnections. It has a fill factor of 75%.
New residential battery from the Netherlands
Dutch startup Charged has developed a lithium-ion battery with a storage capacity of 5 kWh. It can be stacked in a six-unit configuration to reach 30 kWh. It measures 400 mm x 500 mm x 200 mm and weighs 45 kg.
Sand-based system for seasonal storage comes online in Finland
The system will provide district heating to the city of Kankaanpää in western Finland. It has 100 kW of heating power and 8 MWh of energy capacity.
CSEM, EPFL achieve 31.25% efficiency for tandem perovskite-silicon solar cell
The new world record was independently certified by the National Renewable Energy Laboratory (NREL) in the United States.
Water-based zinc-ion battery for stationary energy storage
Salient Energy developed the water-based zinc-ion battery to have the same power, performance, and footprint as lithium-ion systems without the safety risk.
Thin film solar may have carbon intensity advantage over silicon
Thin-film cadmium telluride panels may have a $0.02 to $0.04 per watt carbon cost advantage over traditional polysilicon, said the National Renewable Energy Laboratory in an analysis of embodied carbon, embodied energy, and energy payback.
Waterproof all-aluminum solar carport from China
Developed by Chinese manufacturer Enerack, the carport can host all types and sizes of solar panels and relies on waterproof technology for rain protection.
Europe’s largest heat storage tank
The heat storage tank is 45 m high and has a capacity of 56 million liters. It will store district heating water at a temperature of 98 C and, according to Vattenfall, will use heat produced with renewable electricity coming from the grid.
