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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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.
Max Hall
Feb 14, 2025
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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.
Matthew Lynas
Feb 14, 2025
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HTW Berlin 2025 energy storage inspection: Kostal, SAX Power set new efficiency records The evaluation results confirmed the outstanding system efficiency of the European inverter manufacturers, in particular. It also found large differences in efficiency of certain hybrid inverters from the maximum efficiency specifications provided by the manufacturers on the data sheets.
Marija Maisch
Feb 13, 2025
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KPIT, Trentar partner on 3 GWh sodium-ion battery plant The technology transfer agreement includes Trentar investing in a 3 GWh manufacturing facility and KPIT receiving upfront technology transfer fees and additional royalty fees over eight years.
Uma Gupta
Feb 12, 2025
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German project for fast industrial implementation of sodium-ion battery technology Cheap, safe, widely available sodium could be used for battery energy storage alongside photovoltaics. The Sodium-Ion-Battery Germany (SIB:DE) Research project is investigating whether sodium-ion technology can be affordably integrated into lithium-ion battery production facilities.
Scarlet Schmitz
Feb 12, 2025
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Grid-forming-inverter-backed big batteries can raise renewables hosting capacity Researchers have recommended electricity transmission system operators (TSOs) consider grid-forming battery energy storage systems (BESS) to improve network stability and maximize system hosting capacity.
William Driscoll
Feb 12, 2025
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How energy storage could transform the railway industry A new study determines what types of energy storage systems (ESS) are most promising for onboard and wayside storage.
Phoebe Skok
Feb 10, 2025

All Technologies news

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Varta coordinates German sodium-ion battery research A 15-member industrial-academic consortium wants to develop cost-effective cell chemistry for industrial sodium-ion batteries. Germany's ministry of research is providing €7.5 million ($8.36 million) funding.
Sandra Enkhardt
Sep 25, 2024
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ESS Inc, ESI partner on 3.2 GWh iron flow battery manufaturing site in Australia Under construction long-duration storage manufacturing site secures AUD 65 million ($45 million) in public and private funds, including AUD 25 million from state government. ESS Inc confirms to ESS News it has ambitions to manufacture in Europe.
, Matthew Lynas
Sep 24, 2024
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China to host 1.6 GW vanadium flow battery manufacturing complex The all-vanadium liquid flow industrial park project is taking shape in the Baotou city in the Inner Mongolia autonomous region of China, backed by a CNY 11.5 billion ($1.63 billion) investment. Meanwhile, China's largest vanadium flow electrolyte base is planned in the city of Panzhihua, in the Sichuan province.
Marija Maisch
Sep 23, 2024
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Flexbase plans 500 MW redox flow storage project in Switzerland The world's largest redox flow storage facility is to be built at Europe's oldest grid node.
Marian Willuhn
Sep 23, 2024
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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.
Livia 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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