South Korea

Kesterite solar cell with 8.66% efficiency and fill factor of 62.63%

Researchers in South Korea have analyzed the effects of alkali doping on the fill factor of kesterite solar cells and have built a device on a flexible metal foil optimized with a sodium fluoride doping layer.

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‘Nuclear power is now the most expensive form of generation, except for gas peaking plants’

The latest edition of the World Nuclear Industry Status Report indicates the stagnation of the sector continues. Just 2.4 GW of net new nuclear generation capacity came online last year, compared to 98 GW of solar. The world’s operational nuclear power capacity had declined by 2.1%, to 362 GW, at the end of June.

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Korean group to deploy 200 MW of floating PV at Saemangeum tidal flats

SK Group has been chosen as the preferred bidder to build a portion of the 2.1 GW floating solar complex the South Korean government is planning near the Saemangeum tidal flats, on the Yellow Sea coast.

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Solar-powered unmanned airplane with lithium-sulfur battery

The Korea Aerospace Research Institute has conducted a battery-powered test flight of solar-powered unmanned aerial vehicle EAV-3. The aircraft is powered by solar cells on its wings and body and an LG Chem lithium-sulfur battery.

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National lithium-ion battery supply chains ranked

Analysts at Bloomberg New Energy Finance have quantified the influence of markets around the world. The ranking supplies a snapshot of 25 countries and also offers a five-year outlook.

Nanostructures for ultrathin flexible wafer

Scientists in South Korea combined two processes to etch a nanostructure of tiny pyramids onto the surface of a silicon wafer. As well as trapping more light and increasing the cell efficiency, the group claims that its nanostructure improves the mechanical flexibility of the cells. This could potentially allow for the use of much thinner silicon wafers than is currently possible in production.

More efficient large-area organic solar cells with spin coating

Researchers in South Korea have used the process to increase performance and the replicability of large-area organic cells. The method was used during film formation to speed up solvent evaporation.

Hanwha Q Cells to offer its most powerful panels in Europe

The South Korean PV manufacturers is bringing its three most powerful solar panels to Europe. All of them are based on its Q.antum Duo Z tech, which reduces the gaps between cells and drives up module efficiency by 4% in relative terms.

South Korea bets on tandem solar technologies

The South Korean government has released a new roadmap to support R&D activities in the solar sector. The document indicates the country’s solar manufacturing industry may be encouraged to opt for high-efficiency and expensive panels based on tandem solar cells.

South Korea’s largest hybrid solar-wind project

A 133 MW hybrid solar-wind power plant linked to 242 MWh of storage is currently being built in a mountainous area in South Korea. Chinese manufacturer JA Solar has provided the modules for the PV section.

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