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Energy Storage

UK startup develops Brayton pumped thermal tech for renewables storage

UK-based Synchrostor has developed a new pumped thermal energy storage (PTES) system. It is purportedly fully reversible in 30 milliseconds and can achieve a round-trip efficiency of around 70%. The proposed storage technology can also provide grid inertia and ancillary services.

Cost comparison between lithium batteries, fuel cells, reversible solid oxide cells as storage for off-grid rooftop PV

Scientists in the United Arab Emirates have looked at how off-grid rooftop PV could be combined with batteries, fuel cells or reversible solid oxide cells for energy storage. The modeling assumed a typical commercial building in Los Angeles.

Small-scale floating PV with pumped hydro storage

Indian scientists have developed a system under which a pumped-hydro facility stores grid electricity during off-peak hours by pumping water to an upper reservoir. During peak hours, the system feeds the load, rather than taking power from the grid.

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Heat-storage building material to passively cool PV systems, batteries

German researchers have developed a new shape-stabilized phase change material with the ability to store up to five times more thermal energy than commercially available PCMs.

Smarter E products at a glance

pv magazine summarizes the products we covered at the recent Smarter E exhibition, in the first of a series of reports on all of the new releases from the annual trade fair in Munich, Germany.

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Emissions-free battery recycling facility will use electricity rather than smelting

ACE Green Recycling has announced plans to build a new plant in Texas to recycle both lead-acid and lithium-ion batteries.

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Smarter E Products: Fox exhibits all-in-one storage system

Intersolar 2022 has provided FoxESS the ideal opportunity to showcase its all-in-one storage system, the sleek and compact design of which allows for advanced performance, ease of installation and suitability to both indoor and outdoor settings.

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The Hydrogen Stream: Carbon-coated nickel anode to solve problems of hydrogen fuel cell without precious metals

A team of researchers from the University of Wisconsin-Madison, Cornell University, and Wuhan University have presented a completely precious metal–free alkaline fuel cell with enhanced performance using a carbon-coated nickel anode. Meanwhile, the Port of Rotterdam has offered to supply northwestern Europe with 4.6 million tonnes of hydrogen by 2030. According to RMI, Europe will import green hydrogen between 2024 and 2030. RenewableUK sees room for hydrogen exports from the UK to the EU.

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Smarter E Products: JinkoSolar unveils residential battery

The lithium iron phosphate battery is sold with a storage capacity ranging between 7.1 kWh and 21.31 kWh, a voltage of 192 V to 576 V, and a nominal capacity of 37 Ah.

Smarter E Products: Stackable dual-voltage battery from Weco

Weco’s new 5.3 kWh battery can be used as a wall solution or in a stackable configuration. Up to 15 modules can be stacked without additional components, thanks to a special casing.

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