The Chinese manufacturer said the cell uses a multifunctional organic ammonium salt to improve interfacial engineering between the perovskite absorber and the electron transport layers. The device also achieved 24.5% efficiency when scaled up to a 1 cm² active area.

A US research team has developed all-solid-state sodium batteries that retain performance down to subzero temperatures. The systems utilize a special chloride-based solid-electrolyte-coated cathode.

Using the mask-and-plate copper metallization technique, scientists at the German research center fabricated a 1.21 cm² perovskite–silicon tandem solar cell featuring a heterojunction bottom device. The cell achieved an efficiency of 19.35%, reportedly the highest value reached to date for this cell type using galvanic front metallization.

The systems use propane as the refrigerant and range in capacity from 40 kW to 410 kW. Their coefficient of performance reaches up to 3.88.

Researchers in China have developed an inverted perovskite solar cell approaching the 27% efficiency threshold. The device incorporates a specially designed self-assembled monolayer that passivates perovskite defects and enhances efficiency.

New research from Finland shows how spacing between solar modules plays a key role in determing power and crop yield. The scientists found that, at a separation of 8 m, crops received at least 75% of irradiation, which is expected to result in minimal impact compared with an unshaded scenario.

The solar cells combine multilayer graphene with silicon wafers, harvesting both solar and kinetic energy for continuous operation. Tests show the cells can autonomously power supercapacitors embedded in a temperature sensor.

California-based Apparent Inc. has unveiled a new water heater that can reportedly offset 100% of a home’s water heating cost. The system uses low-voltage DC electricity generated by conventional solar panels and a cloud based, machine learning platform that manages energy in real-time.

Waaree Energies has entered the back contact module business with a TOPCon dual-glass module. The new product is based on cells with G12R format.

Tests conducted by a research team in outdoor environments in Spain and Poland have demonstrated a strong correlation between perovskite solar cell degradation and the combined effects of climatic and operating conditions. The scientists found that open-circuit operation accelerates degradation, whereas operation at the maximum power point and under short-circuit conditions has a lower impact.