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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Interview with ESS Inc CEO Drew Buckley ESS Inc President and CEO Drew Buckley tells ESS News the company has pivoted its strategy in 2026 around sodium-ion storage, citing nearly $1 billion in early-stage opportunities and a more measured approach to its iron flow technology amid tight liquidity.
Tristan Rayner
22 hours ago
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UNIGRID completes Hyundai accelerator test of sodium-ion cells UNIGRID has completed technology validation of its sodium chromium oxide (NCO) sodium-ion cells through Hyundai Motor Group's ZER01NE Accelerator program, with Hyundai planning to jointly develop a sodium-ion battery energy storage system (BESS).
Brian Publicover
Sep 02, 2026
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Texas Instruments introduces chip-level diagnostics to improve grid-scale battery cell safety Active monitoring via EIS results in a new approach to monitoring battery cell health, resulting in a step-change in understanding, safety, and bankability.
Tristan Rayner
Sep 02, 2026
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Storing renewables with firebrick thermal batteries Electrified Thermal Solutions is developing a firebrick-based thermal battery that converts low-cost electricity into high-temperature heat for energy-intensive industries. The technology could pair with solar and wind to absorb surplus generation and deliver round-the-clock industrial heat at costs competitive with natural gas.
Lior Kahana
Aug 31, 2026
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Sodium-ion: Time to prove its worth While the world's largest sodium-ion battery supply deal marks a breakthrough for the technology's commercialization, the industry must still prove it can scale manufacturing and compete commercially over the long term.
Marija Maisch
Aug 28, 2026
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UK opens GBP 28 million challenge for multi‑day renewable storage UK backs long‑duration batteries and hydrogen storage to deliver 100‑hour clean power.
Tristan Rayner
Aug 28, 2026
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Australian researchers develop zinc-iodine battery that lasts 60,000 cycles Researchers at Australia’s Flinders University are developing an aqueous zinc-iodine battery with industry partners that has demonstrated more than 60,000 charge-discharge cycles in laboratory testing.
Ev Foley
Aug 27, 2026

All Technologies news

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Sodium-ion storage system for commercial operators from Austria’s Salzstrom The new "SALT 110" battery storage system from the Vienna-based company has a usable capacity of up to 110 kilowatt-hours. The first systems are scheduled to be installed at customer sites in Germany and Austria at the beginning of March.
Sandra Enkhardt
Feb 26, 2026
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30 GWh, 100-hour duration: Google to deploy world’s largest iron-air battery for Minnesota data center The 300 MW / 30 GWh multi-day storage system from Form Energy will be paired with 1.6 GW of new renewables to facilitate Google’s 24/7 carbon-free energy goals.
Ryan Kennedy
Feb 25, 2026
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Sodium-ion batteries key to EU competitive edge, says EESC President European Economic and Social Committee (EESC) to put sodium batteries at the center of its EU industrial strategy work, calls for swift action. Opinions, stakeholder debates and a dedicated study planned.
Matthew Lynas
Feb 24, 2026
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High temperature sodium-zinc batteries: Researchers use X-rays to find reasons for capacity loss Sodium-zinc molten-salt batteries operate at around 600 degrees Celsius and are considered highly promising for stationary energy storage, thanks to their abundantly available and low-cost raw materials. But persistent capacity losses have held the technology back. Helmholtz researchers have now used operando X-ray imaging to see, for the first time, exactly why.
Jochen Siemer
Feb 23, 2026
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AVL partners with Sumitomo in bid for Western Australia’s 500 MWh vanadium battery project Perth-headquartered resources and technology company Australian Vanadium Limited’s subsidiary VSUN Energy will partner with Japanese manufacturer Sumitomo Electric Industries in its bid to develop Western Australia’s planned 500 MWh Kalgoorlie vanadium battery project.
David Carroll
Feb 23, 2026
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BESS in Brazil: Feasibility of three strategic approaches Based on real data from the National Interconnected System between 2024 and 2025, the study evaluates the technical, economic, and regulatory performance of batteries operating as autonomous market agents, behind the meter for consumption shifting, or co-located with distributed solar generation.
Lívia Neves
Feb 20, 2026
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Zeo signs MoU for 280 MW solar plus long-duration storage at Utah data center hub Zeo Energy isn't saying exactly what energy storage technology it may offer, but there are hints from its recent acquisitions.
Tristan Rayner
Feb 19, 2026
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Chinese Academy of Sciences unveils 101 MW compressor for compressed air energy storage The new compressor is described as the world’s most powerful single-unit compressed air energy storage (CAES) system, with a maximum discharge pressure of 10.1 MPa and an efficiency of 88.1%.
Emiliano Bellini
Feb 17, 2026
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Silbat silicon batteries guarantee uninterrupted power supply for 14 days The silicon batteries developed by the Spanish startup Silbat are spearheading the Research and Analysis of Long-Duration Energy Storage for Operational Resilience in Critical Military Infrastructures (ARMIC) project, covering Technology Readiness Levels (TRL) 7 to 8.
Pilar Sanchez Molina
Feb 16, 2026

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