Sodium-ion batteries
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Indian startup claims over 1,500 cycles for sodium-ion cell with Prussian white cathode
Indian startup Macsen Energy claims its Prussian white-based sodium-ion battery cell has exceeded 1,500 charge-discharge cycles in laboratory testing, retaining 90% of its initial capacity after 1,000 cycles. The company also plans to build a cathode material production facility and battery cell pilot line, with construction set to begin in 2027.
Oct 06, 2026
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Sodium-ion batteries: the next frontier or the next risk?
While sodium-ion offers a compelling long-term solution to flattening LFP cost curves and tight supply chains, its lack of field-validated performance data transfers significant technology and bankability risks directly onto developer balance sheets.
Biwatt releases sodium-ion storage system for C&I applications
Biwatt launched the modular PowerLake I3 sodium-ion storage system for C&I applications, offering 43.6 kWh–2.09 MWh configurations using NFPP cells. Available as indoor racks or IP55 outdoor cabinets, it delivers up to 65.5 kW per 130.8 kWh unit and is rated for 8,000 cycles.
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All Sodium-ion batteries news
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.
World’s fastest supercomputers probing future of sodium-ion batteries
Japanese researchers used supercomputer simulations to reveal how sodium ions form clusters and move within hard carbon anodes, identifying nanopore sizes and transition regions that control diffusion and rate performance in sodium-ion batteries. Their findings offer design guidelines for optimizing hard-carbon anodes to improve energy density, cycling, and commercialization prospects.
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Energy Vault locks in 1.5 GWh of Peak Energy’s sodium-ion batteries for AI data centers
The companies will co-develop a full-stack storage platform – combining Peak Energy’s sodium-ion batteries with Energy Vault’s proprietary digital stack -dedicated to the Swiss company's AI infrastructure portfolio.
Moonwatt brings DC-coupled, passively cooled sodium-ion tech to solar projects
The Dutch start-up, founded by former Tesla leaders, is taking a novel approach to sodium-ion battery technology, optimizing it for integration with solar power plants. Its technology is set to be deployed for the first time in a Dutch solar-plus-storage project later this year.
Sodium-ion batteries now competitive in niche markets
Sodium‑ion batteries are emerging as a safer, lower-cost alternative to lithium‑ion, with a recent international study highlighting their competitiveness in stationary energy storage. The research shows that ongoing investment and supply-chain development could enable broader adoption within the next decade.
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Scientists design low-cost sodium-ion battery with cheap electrode materials
Conceived for stationary energy storage, the proposed sodium-ion battery configuration relies on an P2-type cathode material and an hard carbon anode material that reportedly ensure full-cell performance. Electrochemical testing revealed initial capacities of 200 mAh/g for the cathode and 360 mAh/g for the anode with capacity retentions of 42% and 67.4% after 100 cycles.
New design specifications for sodium-ion batteries
U.S. scientists used density functional theory to reveal how sodium ions are stored in nanoporous carbon anodes for sodium-ion batteries, identifying dual ionic and metallic storage mechanisms within the pores. Their findings provide practical design guidelines to improve battery voltage, safety, and commercial viability for stationary energy storage.
Sodium-ion batteries: Unigrid begins commercial-scale deliveries; Altris and Draslovka partner to scale Europe’s supply chain
With lithium prices reaching a two-year high in early 2026, sodium-ion batteries are once again in the spotlight, as innovators on both sides of the Atlantic announce major milestones.
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