Emiliano Bellini
Sodium-ion battery anode made from toxic hogweed
Russian researchers have transmuted poisonous Sosnowsky’s hogweed into high-grade anode material for sodium-ion batteries. The obtained material has a Coulombic efficiency of 87%, which is on par with the best reported results for hard carbons synthesized from other raw materials.
AE Solar unveils n-type TOPCon solar modules with 22.2% efficiency
Germany-based AE Solar said its new panels have a temperature coefficient of -0.35% per degree Celsius and come with a 30-year power output guarantee for 87.4% of the initial yield.
Fraunhofer ISE develops direct metallization tech for heterojunction solar cells
Germany’s Fraunhofer ISE is applying its FlexTrail-printing technology to the direct metallization of silicon heterojunction solar cells. It said the technique reduces the use of silver, while maintaining high efficiency levels.
Zinc-cerium redox flow battery for renewable energy storage
Scientists in Hong Kong have designed a redox flow battery with electrolytes made of zinc and cerium. They claim to have solved the incompatibility issue posed by these two elements. The device achieved a record average Coulombic efficiency of 94% during cycling.
Sunpower launches two new batteries for residential applications
The two batteries have a storage capacity of 13 and 19.5 kWh, respectively. Both lithium-ion systems use LiFePO4 as the cathode material and have a round-trip efficiency of over 86%.
Enel unveils 680 W n-type heterojunction solar panel for utility-scale applications
Enel Green Power’s new solar panel has average efficiencies ranging from 22.6% to 22.9% and a temperature coefficient of -0.24% per degree Celsius. It is based on an n-type solar cell with G12 format and a power conversion efficiency of 24.6%.
Panasonic presents 22.2% efficient all-black heterojunction solar module compatible with its Evervolt battery
The new module series has a power output ranging from 420 to 430 W, a temperature coefficient of -0.26% per degree Celsius, and an efficiency of up to 22.2%.
US startup unveils 5 kW solar canopy for EV charging
Paired Power said its new 5 kW solar canopy measures 3.2 meters x 5.2 meters x 3.7 meters and can host up to 10 bifacial solar panels. It can be used in on-grid or off-grid modes and can be paired with lithium-ion battery storage systems up to 40 kWh in size.
Yotta Energy unveils new 3-phase microinverters
US manufacturer Yotta Energy said that its two new microinverters are compatible with up to four high-power PV modules. They have a peak efficiency of 96.5% and a nominal maximum power point tracking (MPPT) efficiency of 99.5%.
PV-powered direct air electrolysis module to produce hydrogen from moisture in air
Scientists in Australia have developed a new way to produce hydrogen using water from the atmosphere. They claim their new module can ensure stable performance and provide green hydrogen for remote areas.
