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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US sodium-ion storage firm raises $108 million in GM-led round US sodium-ion battery storage maker Peak Energy has closed a $108 million Series B round led by General Motors’ venture arm, as it prepares to start production at a 4 GWh factory in California and launch its systems in the data center market.
Brian Publicover
23 hours ago
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Fraunhofer silicon-rich cells retain over 83% after 1,000 cycles Researchers at Germany’s Fraunhofer ISE say their in-house silicon-rich anode pouch cells kept more than 83% of their capacity after more than 1,000 full cycles, but only under high mechanical pressure.
Brian Publicover
Oct 21, 2026
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ArcActive switches on lead-acid battery pilot in Australia New Zealand's ArcActive is testing its bipolar lead-acid battery tech at a 7.25 MW microgrid in Australia, with a connection to Origin Zero’s virtual power plant.
Ev Foley
Oct 16, 2026
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China’s first 100 MW compressed CO2 storage plant connects to grid Major scale-up for gas-liquid phase-change energy storage technology.
Vincent Shaw
Oct 15, 2026
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Sungrow positions for Europe’s next storage phase Sungrow's summit detailed how it is taking steps beyond providing a battery energy storage system for manufactuers.
Tristan Rayner
Oct 14, 2026
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Stationary, moving, flexible: Batteries are the low-cost backbone of the future energy system While it is known that batteries are indispensable for the future energy system dominated by solar PV, they are still seen as a bottleneck technology mostly related to raw material supply. Sodium-ion batteries can resolve this issue. Batteries are more than a stationary storage technology, also with bright prospects for vehicle-to-grid (V2G) and smart charging of electric vehicles within a broad flexibility technology portfolio.
LUT University
Oct 13, 2026
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CATL, Intilion target up to 3 GWh of sodium-ion storage in Europe The five-year agreement extends an existing partnership into sodium-ion storage across Germany, Austria and Switzerland.
Vincent Shaw
Oct 13, 2026

All Technologies news

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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
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Researchers develop tri-layer electrolyte for lithium-metal batteries Researchers have developed a PEO-based composite solid electrolyte that combines polydopamine-coated LLZO with a flexible triblock copolymer. The optimized design reached an ionic conductivity of 5.60 × 10−3 S.cm−1 at 60 C and enabled LiFePO4|Li cells to retain 80% of their capacity after 1,000 cycles.
Lior Kahana
Aug 26, 2026
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China launches EPC tender for 660 MW/3.96 GWh CAES project China has tendered engineering, procurement and construction (EPC) work for a 660 MW/3.96 GWh compressed air energy storage (CAES) facility that will use heat-recycling adiabatic tech and an underground cavern to store compressed air.
Vincent Shaw
Aug 24, 2026
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Allegro strikes deal to commercialize flow battery tech Australia's Allegro Energy has partnered with Germany-based flow battery manufacturer Jena Batteries to accelerate the commercial deployment of the former’s microemulsion electrolyte technology.
David Carroll
Aug 24, 2026
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Phenogy, HD Advanced Technologies to manufacture sodium-ion battery cells in Europe The Swiss and German companies say their collaboration will help to establish a European technology and industrial platform for sodium-ion battery technology.
Patrick Jowett
Aug 19, 2026

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