Jinergy unveils all-black solar module series for rooftop PV
The all-black series includes a monofacial PERC module with an efficiency of up to 20.86% and an n-type heterojunction product with an efficiency of 21.68%. Both products feature all-black integrated design, with black backsheet, black busbar, black frame and black encapsulant material.
Wafer scale microwire solar cell with 21.1% efficiency
Korean scientists have built a wafer scale radial junction solar cell with tapered microwires and a surface passivation layer made of aluminum oxide. The device showed the highest power conversion efficiency among the previously reported microwire solar cells.
Heterojunction solar cell with 24.18% efficiency via hydrogenated amorphous silicon passivation
A Dutch research group has developed a passivation technique for heterojunction solar cells based on a hydrogenated amorphous silicon layer. Their cell achieved an in-house-certified power conversion efficiency of 24.18%, an open-circuit voltage of 726.0 mV, a short-circuit current of 39.97 mA/cm2, and a fill factor of 83.3%.
Novel tech to recycle silver, aluminum from end-of-life solar panels
Researchers at the University of Leicester have developed a new method of extracting silver and aluminum from end-of-life PV cells using iron chloride and aluminum chloride dissolved in brines. According to them, the cheap solvents retrieve up to 95% of the metals within 10 minutes, achieving a 98% purity of silver chloride.
Perovskite solar module achieves 21.07% efficiency via nanosecond laser tech
Chinese researchers have used inverted perovskite cells with a p-i-n structure to build a perovskite solar module with a reduced heat-affected zone. The panel achieved a power conversion efficiency of 21.07% and a geometric fill factor of 95.5%.
Perovskite quantum dot solar cell with 16.25% efficiency
Chinese researchers have built a perovskite quantum dot solar cell that is reportedly able to reduce trap-assisted charge carrier recombination. The device has an open-circuit voltage of 1.23 V, a short-circuit current density of 17.73 mA cm−2, and a fill factor of 0.745.
Chinese PV Industry Brief: Tongwei secures order for 382,800 MT of polysilicon
Tongwei has secured a long-term polysilicon supply deal with JinkoSolar, while Chint, JA Solar, and JinkoSolar have agreed to supply their products for a 1 GW solar park now under development in the Sichuan province.
Amp Energy to manufacture solar cells, modules
Amp Energy has agreed to partner with Websol Energy to produce up to 1.2 GW of monocrystalline PERC solar cells and modules.
Chinese PV Industry Brief: Huasun secures 10 GW HJT module order, Zhonghuan raises wafer prices
Huasun has agreed to supply 10 GW of heterojunction solar modules to Power China, while Zhonghuan Semiconductor has revealed price increases for all of its wafer products.
Photovoltaics for inland shipping vessels
Dutch researchers have looked at how PV systems could be used to power bulk vessels for inland shipping. They found that 7.18% and 5.78% of the energy demand of container ships and bulk vessels can be respectively supplied by solar panels.
