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University of New South Wales

Hydrogen batteries vs. lithium-ion batteries

Researchers in Australia have compared the technical and financial performances of a hydrogen battery storage system and a lithium-ion battery when coupled with rooftop PV. They evaluated two commercially available systems – LAVO and Tesla Powerwall 2 – and found that the lithium-ion battery provides better financial profits, whereas the hydrogen battery offers more battery lifespan for long duration of energy storage.

All solar cell efficiencies at a glance – updated

The research group led by Professor Martin Green has published Version 63 of the solar cell efficiency tables. There are six new results reported in the new version.

All solar cell efficiencies at a glance – updated

The research group led by Professor Martin Green has published Version 62 of the solar cell efficiency tables. There are 21 new results reported in the new version, a record number for the Tables.

The PV scientific community’s rush to the latest efficiency record

Perovskite-silicon tandem technology expert Gianluca Coletti explains what cycles the PV industry and scientific community experience every time there are new jumps in power conversion efficiencies at cell level. According to him, we are experiencing a much faster turnover of efficiency records typical of the early stage of development of a new technology holding an incredible potential.

Scientists warn of heat-induced failure risks in HJT glass-backsheet PV modules

University of New South Wales researchers have identified four failure modes caused by damp heat in heterojunction solar panels with a glass-back sheet configuration. The failures could result in power losses ranging from 5% to 50%.

Longi claims world’s highest efficiency for silicon solar cells

Longi said it has achieved a 26.81% efficiency rating for an unspecified heterojunction solar cell, as confirmed by Germany’s Institute for Solar Energy Research Hamelin (ISFH).

The PV industry needs 12 times more polysilicon production capacity by 2050

New research from the University of New South Wales (UNSW) predicts cumulative polysilicon demand of 46-87 Mt will be required to achieve 63.4 TW of PV installed by 2050.

Huge aluminum demand expected in solar industry, concerns arise on emissions

Researchers from the University of New South Wales (UNSW) predict that growth to 60TW of photovoltaics needed to rapidly reduce emissions to ‘net zero’ and limit global warming to <2 °C could require up to 486 Mt of aluminium by 2050. A key concern for this large aluminium demand is its large global warming potential.

JinkoSolar’s n-type TOPCon cell achieves 24.58% efficiency via hydrogenation treatment

The Chinese manufacturer and the University of New South Wales (UNSW) have improved the average cell efficiency by 0.68% through a post-cell hydrogenation process. The cell’s average open-circuit voltage increased by 7 mV from 696 to 703 mV, and the average fill factor from 82.03% to 83.07%.

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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