A U.S.-Canadian research group has built an all-perovskite tandem solar device with a record-breaking open-circuit voltage of 2.19 eV, which they achieved by reducing recombination at the electron transport layer.

An international research group has developed new technology to measure soiling losses in PV installations, by using a simple pocket light. They said the new system offers similar performance to their reference devices.

JinkoSolar’s newest PV module has an efficiency rating of 23.86%. It is based on its TOPCon mono cell tech, which achieved a record efficiency of 26.1% in October, as confirmed by TÜV Rheinland.

The European Union and the United States are seeking a solution for key aspects of “discriminatory” production requirements in the US Inflation Reduction Act (IRA). The EU said it might bring the case to the World Trade Organization if a compromise cannot be reached.

Spanish scientists have built a cooling system featuring heat exchangers on solar panels and U-shape heat exchangers installed in a borehole at a depth of 15 meters. The researchers claim that this reduces panel temperatures by up to 17%, while improving performance by about 11%.

The Asia Europe Clean Energy (Solar) Advisory revealed that most of the planned new solar cell production capacity relates to high-efficiency n-type cell technologies such as TOPCon and HJT.

Startup Quino Energy has raised more than $7.8 million to scale up its quinone redox flow battery technology. Harvard University and University of Cambridge researchers came up with the initial research for the battery design.

A team of international researchers has simplified the deposition of thin film layers in the commercial production of TOPCon solar cells. Via a tube-type industrial plasma-assisted atomic layer deposition (PEALD) technique, they were able to achieve a power conversion efficiency of 22.8% in a 60-cell, 613 W TOPCon module.

Domestic hot water, with a heating system powered exclusively by DC solar power, has now covered the needs of an apartment building in Linz, Austria, for a period of a year. The 14 residential units are each connected to their own 1.36 KW solar arrays.

The Solliance consortium achieved a 29.2% record efficiency for the solar cell in November 2021, from just 28.7% in March 2020. In recent months, it increased the perovskite cell for the tandem device from 17.8% to 19.7%.