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Flow batteries

XL Batteries launches grid-scale organic flow battery project With no rare metals or fire risk, the Massachusetts startup is pushing a new model for long-duration energy storage.

Apr 10, 2025

Flow batteries

Smoke and vanadium leak from Swiss home energy storage unit Vanadium redox flow energy storage manufacturer Prolux Solutions said 50 l of vanadium electrolyte leaked from a residential unit in Arbon but no fire occurred.

Sandra Enkhardt

Apr 09, 2025

Flow batteries

UK grant for English vanadium flow battery project Invinity, the part UK government-owned vanadium flow battery (VFB) company, has secured a $9 million grant from the Department for Energy Security and Net Zero (DESNZ) for a site in the South East of England.

Apr 04, 2025

Flow batteries

Japan’s first subsidized flow battery under construction Sumitomo Electric has operated a 2 MW/8 MWh pilot vanadium flow battery in San Diego since December 2018 and is constructing a similarly sized facility on the island of Kyushu.

Mar 31, 2025

Flow batteries

Made-in-Australia microemulsion flow battery for long-duration storage Allegro Energy and Origin Energy will install Australia’s first microemulsion flow battery at the Eraring coal-fired power station, in New South Wales.

Mar 28, 2025

Sodium-ion batteries

China announces procurement of sodium-ion batteries with price ceiling at $150/kWh The innovative project located in a suburban district in the south of Shanghai will integrate five different energy storage technologies, including sodium-ion batteries. Its first phase will have a cumulative capacity of 40 MW/160 MWh.

Mar 24, 2025

Flow batteries

Sweden’s Cellfion developing PFAS-free membranes for energy storage The startup is exploring membranes free from the per- and polyfluoroalkyl substances (PFAS) known as ‘forever chemicals’ and its wood-derived, cellulose-based products could be used for long-duration energy storage (LDES).

Blathnaid O’Dea

Mar 21, 2025

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All Flow batteries news

Flow batteries

Sumitomo Electric launches vanadium redox flow battery with 30-year lifespan The new system comes in three versions, providing up to 10 hours of storage. It achieves improvements in output and energy density, through component enhancements, thereby reducing cost and physical footprint.

Mar 03, 2025

Grid-scale

Record 13.6 GWh of battery energy storage capacity added in January Rho Motion noted big projects in Saudi Arabia and Hubei, China, and reported the only non-lithium-ion sites were three Chinese vanadium flow batteries.

Feb 17, 2025

Flow batteries

Australian redox flow battery maker Allegro secures fresh cash to scale to mass production The New South Wales (NSW)-based startup wants to enter mass production with products featuring a microemulsion electrolyte made of cheap, easily available and recyclable, non-toxic, and non-flammable materials.

Feb 14, 2025

Flow batteries

Go with the flow (batteries) There is a gap in the market for long-duration energy storage (LDES), according to US-based manufacturer ESS Inc. – one which can’t be plugged with lithium-ion chemistry. Hugh McDermott, of ESS Inc. tells pv magazine how he thinks iron flow batteries fit into the energy system of the future, as the company pursues global expansion.

Feb 14, 2025

Flow batteries

Redox recap: New flow battery JV in US, Japanese utility adds 12.5MWh flow battery A new joint venture (JV) aims to establish domestic vanadium electrolyte production for flow batteries, while a new Japanese redox flow project has been announced in a remote location.

Feb 05, 2025

Flow batteries

US flow battery makers discuss life under Trump ESS News spoke to Matt Harper, from vanadium flow battery (VFB) maker Invinity, and Eugene Beh, CEO of Quino Energy, which uses a water-based electrolyte in its aqeous organic quinone redox flow batteries.

Jan 27, 2025

Eos battery with an American flag.

Flow batteries

FlexGen secures $75m credit facility, partners with zinc battery maker Eos North Carolina-based FlexGen, which is joining forces with aqueous zinc battery maker Eos Energy Enterprises, secured the credit line from four banks, led by JP Morgan.

Jan 23, 2025

Manufacturing

Vanadium flow battery maker H2 secures funds for new Korean factory H2 Inc. has raised $16 million in bridge funding for a new production facility which will have a 1.2 GWh annual manufacturing capacity from 2026.

Jan 23, 2025

Flow batteries

Quinone redox flow battery company secures $2.6m for commercial pilot site Quino Energy says the mildly alkaline nature of its storage medium means it can be installed in existing oil industry holding tanks.

Jan 09, 2025

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