Author
Quinto Armonico
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Articles written by Quinto Armonico
Indian startup claims over 1,500 cycles for sodium-ion cell with Prussian white cathode
Indian startup Macsen Energy claims its Prussian white-based sodium-ion battery cell has exceeded 1,500 charge-discharge cycles in laboratory testing, retaining 90% of its initial capacity after 1,000 cycles. The company also plans to build a cathode material production facility and battery cell pilot line, with construction set to begin in 2027.
11 hours ago
Daikin unveils air-to-air heat pumps for highly insulated homes
The Japanese manufacturer has introduced a new generation of its Ururu Sarara X reversible air conditioners, featuring heating capacities from 2.2 kW to 8.0 kW and a new compressor designed to improve efficiency under low-load operation.
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Chinese scientists build 33.3%-efficient perovskite-silicon tandem solar cell processed in ambient air
Chinese researchers developed a PNCC polymer hole-transport layer that enables efficient and stable perovskite solar cells to be fabricated under ambient conditions. The material was used in a perovskite-silicon tandem cell that achieved 33.3% efficiency and a certified efficiency of 33.0%.
Chinese scientists achieve record-breaking 27.35% efficiency for perovskite-organic tandem solar cell
Nanjing University researchers developed a perovskite-organic tandem solar cell using a novel low-bandgap acceptor to boost near-infrared light harvesting and improve photocurrent matching. The device achieved a 27.35% efficiency, while retaining 80% of its initial performance after 744 hours of continuous illumination.
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Hitachi launches CO2 heat pump water heaters with solar-friendly tariff controls
Hitachi has introduced its Y-series EcoCute CO2 heat pump water heaters in Japan, with 370-liter and 460-liter models set to launch from November 2026. The upgraded range adds expanded support for daytime electricity tariffs and PV-linked energy management, alongside a five-year manufacturer warranty.
Lab confirms negligible LeTID degradation in TOPCon solar cells
U.S. researchers have found that light- and elevated-temperature-induced degradation (LeTID) has a limited impact on n-type TOPCon solar cells compared with earlier p-type PERC technology. Optimized firing conditions and laser-enhanced contact optimization (LECO) can further suppress degradation, with industrial TOPCon cells showing efficiency losses within acceptable warranty tolerances.
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