Technologies
Technologies pv magazine
Technologies pv magazine

Energy storage systems come in many forms, leveraging different technology types. A class of electrochemical storage, lithium-ion batteries have established themselves as the industry standard.

But there are many new technologies vying for their market share.

Sodium-ion batteries are widely considered a sustainable and resource-saving answer to future energy storage, while flow batteries offer a viable alternative in long-duration storage applications.
However, the path to commercialization is not a straightforward one.

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CATL secures world’s largest sodium-ion battery order with Hyperstrong The two companies announced a 60 GWh supply agreement on Monday, marking a pivotal step in the commercialization of sodium-ion battery technology.
Marija Maisch
Apr 27, 2026
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Control, not capacity, could be the next driver of US residential storage investment Investors are shifting focus from deployment growth to platforms that can orchestrate and monetize battery fleets.
Phoebe Skok
Apr 17, 2026
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Volkswagen announces vehicle-to-grid offering in Germany, soon wider Europe Registration will be possible from June, and the service will then be available from the fourth quarter under VW's Elli brand. The integrated offer consists of an electric vehicle, app, electricity tariff, smart meter, wallbox, and installation.
Sandra Enkhardt
Apr 17, 2026
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Researchers make significant advancement into thermal runaway-free sodium-ion batteries The development of a Polymerizable Non-flammable Electrolyte appears to have helped sodium-ion batteries towards a eureka moment for safety.
Tristan Rayner
Apr 10, 2026
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Netherlands: TenneT and GES ink landmark deal for 800 MWh “congestion mitigator” battery Dutch grid operator TenneT has signed a capacity control contract with Green Energy Storage (GES) for a 200 MW / 800 MWh battery, marking a shift in how the Netherlands manages its severely congested high-voltage grid.
Tristan Rayner
Apr 10, 2026
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Envision launches 12.5 MWh AI storage system, starts production of 790 Ah LFP cell Envision adds to the impressive list of announcements out of ESIE 2026, with a new BESS and new LFP cell.
Vincent Shaw
Apr 09, 2026
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VRF long-duration batteries answer demands of electricifation: Eora Energy Sydney-headquartered vanadium redox flow battery company EORA Energy has launched in Australia with a pipeline of long-duration energy storage projects in mining, data centres and regional infrastructure.
Ev Foley
Apr 09, 2026

All Technologies news

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Converting low-cost industrial polymer into zinc-ion battery cathodes Researchers from the Flinders University of South Australia, in collaboration with Griffith University academics, have used a cheap commercial polymer to develop organic cathodes for aqueous zinc-ion batteries and optimized the battery performance using low-cost additives, as a more sustainable energy storage technology alternative to lithium-ion batteries.
Ev Foley
Sep 20, 2024
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UCB to deploy sodium-ion batteries for remote Amazon community The project involves 48 V sodium batteries, each capable of storing the equivalent of 38.4 kWh. The stored energy will power a school, health center, and community leisure areas for around 30 families. UCB will produce the batteries in Brazil's Manaus Free Trade Zone.
Lívia Neves
Sep 19, 2024
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Researchers develop lithium-sulfur battery that can be cut, folded By coating the iron sulfide cathodes in polymers, a research team was able to create transition-metal sulfide-based lithium batteries with stable cycling and high safety. After 300 cycles, a lithium carbide iron disulfide pouch cell retained 72.0% capacity with no capacity degradation after 100 cycles.
Lior Kahana
Sep 19, 2024
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Most home battery storage systems meet warranty claims, new research finds It took eight years of field measurements for researchers at the RWTH Aachen University in Germany to estimate the usable capacity of home battery energy storage systems and develop a dataset covering 106 system years and 14 billion datapoints. Their key finding was that home battery systems lose about two to three percentage points of usable capacity per year on average, meaning good news for the industry as most warranties in the market can be met with the implementation of capacity reserves.
Marija Maisch
Sep 18, 2024
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Large-capacity battery storage, variety of C&I solutions at China’s EESA EXPO This year’s edition of the China International Energy Storage Expo (EESA EXPO) has underlined the latest energy density achievements in the battery energy storage space on both cell and system levels. Meanwhile, the sheer number of commercial and industrial (C&I) systems on display spoke of growing demand in this market segment. Alternative lithium-ion battery chemistries were not easy to find.
Marija Maisch
Sep 17, 2024
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China connects its first large-scale flywheel storage project to grid The 30 MW plant is the first utility-scale, grid-connected flywheel energy storage project in China and the largest one in the world.
Marija Maisch
Sep 13, 2024
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Aluminium-polymer battery for stationary electricity storage The device developed by TU Bergakademie Freiberg researchers uses aluminum as an anode, graphite as a cathode, and a polymer-based solid electrolyte. It is being validated and further developed for industrial production. The goal is storage capacity of 10 kWh.
Petra Hannen
Sep 12, 2024
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Australian startup Allegro to ramp flow battery capacity after AUD 17.5m funding round The redox flow battery developer aims to “rapidly accelerate” its manufacturing capacity after closing a funding round that attracted major domestic and international investors.
David Carroll
Sep 10, 2024
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U.S. DOE announces $125 million to fund two Energy Innovation Hubs The U.S. Department of Energy (DOE) will provide $125 million in funding for two Energy Innovation Hub teams to accelerate energy storage technologies. The research focus will be energy storage for both transport and stationary storage applications.
Anne Fischer
Sep 04, 2024

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