Perovskite-silicon tandem solar cell based on hole selective monolayers achieves 29.8% efficiency
Researchers from Fraunhofer ISE and KAUST built a perovskite-silicon tandem solar cell that reportedly offers improved reproducibility. The device relies on self-assembled monolayers that result in low parasitic absorption and rapid charge extraction.
Quidnet Energy tests MWh-scale geomechanical energy storage
Quidnet Energy has demonstrated its long-duration geomechanical energy storage (GES) at the megawatt-hour scale. The tech stores excess grid electricity by pressurizing water underground, later releasing it to supply reliable power.
Gotion launches 7 MWh BESS container, 650 Ah cell
The Chinese manufacturer has joined the energy density race with the release of its latest utility-scale battery energy storage system and high-capacity cells.
Fronius introduces 15.8 kWh lithium iron phosphate battery for rooftop PV
The Austrian manufacturer has launched its first battery system using LFP cells. A total of up to four units can be connected in parallel for a capacity of 63 kWh.
Zimbabwean telecom company opens solar-storage tender
TelOne Zimbabwe says it is seeking bids to finance and deploy solar and lithium-ion storage projects at its exchange sites.
Italy’s Enea testing highly UV-transparent encapsulants
The Italian research agency has tested new UV aging tests on solar PV mini-modules made with UV-transparent polyolefins encapsulants and has found that thermal and chemical stability benefits in thermoplastic polyolefin-based (TPO) compared to EVA encapsulants.
The impact of different substrates on solar module performance
A research team has analyzed the effects of different substrates on PV module performance and has found that ground soil achieves the highest efficiency at 21.1%, followed by grass (19.6%), wood (17.95%), concrete (16.2%), roof tiles (14.3%), and iron sheets (11.5%).
Mitigating risks in new PV technologies
The solar energy industry continues to push the boundaries of efficiency and reliability. However, as innovative photovoltaic cell and module technologies emerge, they also bring a new set of challenges in durability and performance. A new report from IEA PVPS Task 13, titled “Degradation and Failure Modes in New Photovoltaic Cell and Module Technologies,” offers a comprehensive analysis of degradation and failure mechanisms in current photovoltaic technologies.
Sodium-ion battery study offers power and energy breakthrough with new organic cathode
New cathode material combined with carbon nanotubes delivers high energy and power in sodium-ion batteries.
Jolywood releases 595 W bifacial TOPCon solar panel for harsh environments
The Chinese manufacturer said that its new glass-backsheet Windproof module utilizes a zinc-aluminum-magnesium surface alloy technology and a high-strength steel substrate. It features a power conversion efficiency of up to 23.03%.
