Perovskite-cadmium telluride tandem solar cell based on special electrode achieves 24.2% efficiency
An Indian-US research team has fabricated a four-terminal perovskite-cadmium telluride tandem solar cell by utilizing a highly conductive and sputtered transparent electrode to increase the current density of the bottom cell. The tandem device combines a 18.3%-efficient top perovskite cell and a 19.53%-efficient cadmium telluride bottom device.
Solar wafer prices continue to soften, complex international trade situation sparks concerns
In a new weekly update for pv magazine, OPIS, a Dow Jones company, provides a quick look at the main price trends in the global PV industry.
Qcells to deploy Lumet’s fine-line metallization tech
Qcells says it will use Lumet’s fine-line metallization technology for its solar cells, for higher efficiency and lower production costs.
Longi introduces 630 W HPBC photovoltaic modules with 23.3% efficiency
The Chinese manufacturer said its new Hi-MO X6 Scientist series has a temperature coefficient of -0.28%/C and a power output ranging from 620 W to 630 W. They rely on the company’s proprietary hybrid passivated back contact (HPBC) cell technology.
Japanese researchers unveil solar chemical heat pump system for buildings
The novel heat pump concept combines solar energy with chemical storage and reportedly consume 75% less electricity than conventional heat pumps. The system relies on a battery and a heat storage tank that can be used either separately or simultaneously, depending on the outdoor conditions.
UIS installs recoating solution at 2 GW solar wafer factory in India
UIS Technologies has commissioned polyurethane (PU) recoating and regrooving solutions for wire guide rollers (WGRs) at Adani’s 2 GW solar ingot-wafer plant in Gujarat, India.
TU Delft scientists develop optical filter to improve IBC solar module performance
Researchers at the Delft University of Technology have designed an optical filter for the thermal management of IBC photovoltaic modules. The proposed technology can reportedly reduce the cell operating temperature by up to 2.5 C and extend the lifetime of a PV module by up to 2 years.
REC launches 640 W heterojunction solar module with 22.5% efficiency
REC has developed a new series of heterojunction solar panels with efficiencies up to 22.5% and an operating temperature coefficient of -0.24% per degree Celsius.
Chinese PV Industry Brief: Renshine plans GW-scale perovskite PV panel factory
Renshine Solar says it will open a gigawatt-scale perovskite PV module factory in Jiangsu province, with a planned investment of CNY 1 billion ($138 million). In January, it reported that its perovskite solar panels had achieved a power conversion efficiency of 18.4%.
Fraunhofer ISE unveils M10 TOPCon solar cell with 24.0% efficiency
The German research institute said the new 120 µm thin solar cell could exceed 25% efficiency with the next optimization steps. The device was metalized via screen-printed contact fingers and calibrated by scientists at the Institute for Solar Energy Research Hamelin.
