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Technology and R&D

Solar modules deployed in France in 1992 still provide 75.9% of original output power

New testing conducted at France’s oldest PV system have shown that its solar modules can still provide performance values in line with what the manufacturers promised.

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.

Bringing lithium-sulfur batteries closer to commercialization

Researchers at the University of South Carolina have successfully transitioned their highly-durable lithium-sulfur battery technology from coin to pouch cells and reported competent energy densities.

Scientists claim PV systems combined with thermoelectric cooling may achieve 6-year payback time

Scientists in South Africa have modeled a photovoltaic system connected to a thermoelectric cooling device and have found it may produce around 9.2% more electricity than conventional PV system without cooling. The research team claims the proposed system guarantees a minimum cost saving of 10.56%.

The role of renewable energy in achieving India’s net zero goals

The road to net-zero emissions in India doesn’t require herculean efforts. We can get there by wholeheartedly adopting renewables, investing in innovation and technology, and promoting public-private partnerships to build a better, cleaner, and more sustainable India for generations to come.

Reliance signs alkaline electrolyzer deal with Norway’s Nel

Through the agreement, Reliance gets access to Nel’s technology platform for manufacturing alkaline electrolyzers.


IEA-PVPS launches action group on agrivoltaics

IEA-PVPS is poised to launch a new format for expert engagement. It will include an action group on agrovoltaics, as well as a collaborative effort to match agriculture and solar generation. It aims to unlock the potential of agrivoltaics, optimize land use efficiency, enhance agricultural resilience to climate change, and foster social consensus for solar development.

U.S. scientists demonstrate 25%-efficient perovskite-cadmium tandem solar cell

The researchers say the cell has a top perovskite cell with a transparent back contact made of indium zinc oxide and a commercially established cadmium telluride bottom device. They claim the champion tandem cell has the potential to reach a 30% efficiency.

China switches on first large-scale sodium-ion battery

China Southern Power Grid has deployed a 10 MWh sodium-ion battery in China’s Guangxi Zhuang region. It is the first phase of a 100 MWh project.

Solar-hydrogen solution rolled out for off-grid settings

A new mobile power generator that combines solar and renewable hydrogen to provide zero-emissions power for remote and off-grid applications has been unveiled by Australian startup H2PowerBox.

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