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Perovskite-silicon tandem solar cells provide extra protection against reverse-bias degradation

An international research team demonstrated that monolithic perovskite-silicon tandem cells do not suffer the same degree of reverse bias degradation that is typically seen in perovskite single junction solar cells under partial shading. They explained that the tandem devices are “protected” by the silicon subcell.


US EIA says solar power will surpass hydropower by 14% in 2024

Solar capacity has rapidly grown in the United States, while manufacturing costs have fallen, prompting the US Energy Information Administration (EIA) to predict that PV will generate 14% more electricity than hydroelectric facilities in 2024.

Infinite Turbine debuts heat pump turbine for homes, businesses

Infinite Turbine has developed a heat pump turbine for residential and commercial applications, using PV or alternative electricity sources for simultaneous cooling and hydraulic power. The tech can be retrofitted with existing CO2 heat pump systems for air conditioning, hot water, and process heat.


First attempt to build back-contact micrometric III-V photovoltaic cells

An international research group has utilized through-substrate-vias to create 3D interconnections in III-V solar cells with a triple-junction architecture. The novel cell design was found to have a low shading factor of below 3% and a 6-fold increase in wafer area use compared to cells based on 2D interconnects.

The Hydrogen Stream: Germany, Italy plan hydrogen pipeline to North Africa

Germany, in collaboration with Italy, has revealed plans to import hydrogen from Northern Africa.


Reconductor existing transmission to ‘unlock’ renewables, says UC Berkeley study

Large-scale reconductoring of existing transmission lines could cost-effectively double transmission capacity within existing rights-of-way, a study says. Renewable energy projects near reconductored transmission lines could more easily interconnect.


U.S. solar has less thanks to give, as El Niño pattern develops

In a new weekly update for pv magazine, Solcast, a DNV company, reports that, in November, weather patterns have started to resemble the characteristic El Niño signature, with low pressure in the northwest Pacific, and an enhanced subtropical jet stream spreading from the Pacific across the southern United States.

Soltec introduces hail defense algorithm for solar trackers

Hail losses in the United States exceeded $1 billion in 2021.

Swiss startup develops adhesive film to create PV billboards

A Swiss company has developed adhesive film that can be applied on solar panels to make them more aesthetically appealing. The film reduces electricity production by between 10% and 30%, but income from advertising could offset such losses.


Inverted perovskite solar cell achieves 25.1% efficiency via new passivation technique

A group of scientists in the United States has utilized a new passivation strategy based on sulfur-modified methylthio molecules to build an inverted perovskite solar cell with a certified efficiency of 25.1% and remarkable stability. The proposed passivation approach reportedly led to a five-fold increase in carrier lifetime and a three-fold reduction in photoluminescence quantum yield losses.


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