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Portable hydrogen fuel cell generator with power output of 400 W

The generator can be combined with batteries, solar panels, or small wind turbines. It is based on a proton exchange membrane fuel cell technology and is claimed to have a minimum lifetime of 5,000 working hours.

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Solar module cooling techniques for the desert

Saudi scientists have tested several cooling technologies for solar panels and have found that active techniques work better than passive ones under harsh climatic conditions. The most effective one consists of a system based on four heat pipes immersed in a box of liquid, as liquid bulk, integrated with the back of the solar panel.

JinkoSolar claims 23.53% efficiency for n-type, TOPCon, monocrystalline panel

The PV module relies on Jinko’s TOPCon mono cell technology, for which a record efficiency of 25.25% was announced in late May. TÜV Rheinland has confirmed the result.

All solar cell efficiencies at a glance

The research group led by Professor Martin Green has published Version 58 of the Solar cell efficiency tables. He spoke with pv magazine about the criteria with which these tables are compiled and the importance of result certification by independent third parties.

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Trina Solar achieves 23.03% efficiency for 210 mm PERC solar module

The result was confirmed by Germany’s TÜV Rheinland and TÜV Nord.

Using the oceans’ depths to store renewables, compress hydrogen

Underwater gravity energy storage has been proposed as an ideal solution for weekly energy storage, by an international group of scientists. The novel technology is considered an alternative to pumped-hydro storage for coasts and islands without mountains that are located close to deep waters, and may also be interesting for PV if used to store green hydrogen.

Fraunhofer ISE unveils 68.9%-efficient III-V solar cell for laser energy transmission systems

The German research institute said the gallium arsenide cell has achieved the highest efficiency to date for the conversion of light into electricity.

1366 Technologies merges with Hunt Perovskite Technologies

U.S. thin-film manufacturer First Solar and Bill Gates-owned Breakthrough Energy Ventures (BEV) are among the investors in the new company, which is called CubicPV and is expected to develop multi-junction perovskite solar cells with efficiencies of around 30%.

New perovskite material for 23.5%-efficient solar cell

Researchers in Japan have found a new way to fabricate one of the most promising perovskite materials for PV application — the α-formamidinium lead iodide known as α-FAPbI3. With a pre-synthesized version of this material, they were able to produce a cell with a power conversion efficiency of 23.5% and a lifespan of more than 2,000 hours.

JinkoSolar, Longi, JA Solar claim 182mm modules offer lowest LCOE for utility scale solar

In a white paper, the three Chinese module manufacturers have reiterated the well-known refrain “bigger is not always better.” Experts from the three companies compared the BoS costs of 182mm-wafer-based modules and 210mm products, and found that the former have a slight advantage in racking, foundation, and land costs.

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