All-perovskite two-terminal tandem solar cell tech with 32.3% efficiency
Indian scientists have designed a new all-perovskite tandem solar cell configuration that can reportedly achieve higher efficiencies than similar devices built with the same materials. The top perovskite cell has a wide bandgap of 1.75 eV and the bottom perovskite cell has a bandgap of 1.25 eV.
Indian developer enters solar panel business with 2 GW factory
ReNew Power plans to switch on 2 GW of solar cell and module production capacity by September 2023.
Chinese PV Industry Brief: TBEA set to produce 120,000 MT of polysilicon in 2022
TBEA said it expects to produce 120,000 metric tons (MT) of polysilicon this year and 250,000 MT in 2023, while Daqo has revealed plans for a $700 million share buyback program.
Flashing solutions for perovskite tandem cells, modules
A new white paper by testing equipment specialist Wavelabs outlines key challenges that the solar industry will face when it comes to testing and characterizing perovskite-silicon tandem cells in manufacturing environments.
Transition metal oxides-based passivating contacts for 21.9%-efficient, n-type solar cell
An Australian research group has shown how passivating contacts based on transition metal oxides could replace contacts based on doped hydrogenated amorphous silicon or polycrystalline silicon in n-type solar cells in the future. They designed a cell with an open-circuit voltage of 665 mV, a short-circuit current of 40.78 mA cm−2, and a fill factor of 80.8%.
Quantitative methodologies to assess technical risks in PV
Researchers led by Germany’s TÜV Rheinland have created a database of technical risks and mitigation measures for PV installations. Their broad overview of quantification methods has shown that further standardization is required.
Most new solar panels retain 80% production after 30 years
A five-year Sandia Labs study on solar module degradation shows that 13 out of 23 tested module types have effective lifetimes exceeding 30 years.
New study looks at Sundrive’s 25.54% silver-free heterojunction solar cell
A new scientific paper takes a closer look at the record-breaking efficiency that Australia’s Sundrive announced for a silver-free heterojunction cell in September 2021, as certified by Germany’s Institute for Solar Energy Research.
Chinese PV Industry Brief: Shenzhen Energy to start PV-powered hydrogen production
Shenzhen Energy has announced plans to build a green hydrogen facility in Inner Mongolia, and Daqo has secured another polysilicon supply deal. DKEM, meanwhile, has unveiled plans to build a silver paste production facility for TOPCon products.
Inverted perovskite solar cell with 21.85% efficiency via surface modulator
A UK research group has used surface modulators to reduce non-radiative recombination in perovskite solar cells. They used 2-TEAI organic halide salt to build a cell with high power conversion efficiency and stability.
