The Sodium-Ion Battery Roadmap

HiNa Battery Technology, a spin-off from the Chinese Academy of Sciences, inaugurated the world's first GWh-scale sodium-ion battery production facility. This marked the transition of Na-ion from laboratory curiosity to industrial-scale manufacturing.
🇨🇳 China

Farasis Energy launched commercial sodium-ion battery packs with energy densities of 140–160 Wh/kg, demonstrating that Na-ion performance was approaching the lower end of LFP territory.
🇨🇳 China

BYD manufactured a pilot production of a 150Ah blade-type sodium cell achieving 160 Wh/kg energy density and over 6,000 cycles of life, validated through a 20 MWh sodium-ion "Magic Cube" energy storage system.
🇨🇳 China

The Faraday Institution announced £19 million in funding across four battery research projects, including the NEXGENNA sodium-ion programme. NEXGENNA targets exceeding LFP performance in energy density, power, and lifetime while maintaining cost, safety, and sustainability advantages.
🇬🇧 United Kingdom

BYD began construction on a massive 30 GWh/year sodium-ion battery facility in Xuzhou City, representing a $2.25 billion investment and signalling that one of the world's two largest battery makers sees Na-ion as a core production chemistry.
🇨🇳 China

JAC Group's Yiwei brand delivered China's first mass-produced electric vehicle powered by sodium-ion batteries, using cylindrical cells supplied by HiNa Battery Technology. A pivotal moment for Na-ion in mobility applications.
🇨🇳 China

Sodion Energy launched India's first Na-ion batteries, targeting EVs and home appliances. This signalled growing geographic diversification beyond China in Na-ion commercialisation.
🇮🇳 India

Kingshine cancelled its planned 6 GWh sodium-ion battery facility in Jiangxi Province, an early signal that not all Na-ion scale-up ambitions would materialise amid demand uncertainty and financing challenges.
🇨🇳 China

Natron Energy opened the first commercial-scale sodium-ion battery manufacturing facility in the US, targeting data centre and telecom backup applications with its Prussian-blue electrode chemistry. Capacity: ~600 MW/year.
🇺🇸 United States

China's Datang Group unveiled the first operational grid-connected sodium-ion battery energy storage system at utility scale in Qianjiang, Hubei Province — demonstrating Na-ion viability for renewable energy balancing.
🇨🇳 China

Swedish Na-ion developer Altris partnered with Stora Enso to develop Lignode, a hard carbon anode material derived from lignin (bio-waste). This targets a sustainable European Na-ion supply chain with lower embodied carbon.
🇸🇪 Sweden

Natron Energy announced plans for a $1.4 billion factory in Rocky Mount, NC — the Kingsboro Megasite — projecting 24 GWh annual production by 2028 and over 1,000 jobs. The most ambitious Western Na-ion investment to date.
🇺🇸 United States

The Faraday Institution's updated study predicted UK demand for ~120 GWh/year by 2030. CEO Martin Freer stated that sodium-ion technologies offer the UK "an opportunity to take a market-leading position globally in applications beyond automotive."
🇬🇧 United Kingdom

CATL launched the Freevoy Super Hybrid Battery, integrating sodium-ion and lithium-ion technologies in one pack. It targets plug-in hybrids and extended-range EVs, delivering 400+ km pure electric range with 4C fast charging and extreme temperature performance.
🇨🇳 China

Reliance New Energy completed the acquisition of Faradion by purchasing the remaining 8% stake (initial deal: €100M in Dec 2021). A Jamnagar gigafactory integrating electrode coatings with petrochemical feedstocks is planned for 2026 start-up, targeting a 10–12% bill-of-materials cost reduction.
🇬🇧 → 🇮🇳 UK / India

CATL announced the completion of its second-generation sodium-ion battery achieving energy densities of up to 200 Wh/kg, firmly entering LFP territory. It can discharge reliably at temperatures as low as −40°C.
🇨🇳 China

BYD launched a grid-scale sodium-ion battery energy storage system using its Long Blade Battery with CTS super integrated design. While energy density per container is lower than Li-ion equivalents (2.3 vs ~5 MWh), the cost and safety advantages target stationary applications.
🇨🇳 China

Swedish battery manufacturer Northvolt filed for bankruptcy, reportedly burning through $100M/month while struggling to master large-scale manufacturing. BMW had cancelled a $2B contract in June 2024. A sobering signal for European battery manufacturing ambitions.
🇸🇪 Sweden

Hithium unveiled the ∞Cell N162Ah, using sodium-iron pyrophosphate cathode and hard carbon anode. It achieves 94.2% capacity retention after 4,000 cycles at 25°C with a projected lifespan exceeding 20,000 cycles at 70% state of health. GWh-scale production planned for Q4 2025.
🇨🇳 China

The US DOE, via the LENS Consortium supervised by Argonne National Laboratory, committed $50 million over five years to advance sodium-ion battery technology. A significant increase in US federal support for the chemistry.
🇺🇸 United States

Yadea introduced electric scooters powered by sodium-ion batteries, targeting the massive micromobility market. The cells offer over 1,500 cycles and fast charging capabilities — an ideal use case for Na-ion's cost and safety profile.
🇨🇳 China

KPIT Technologies and Trentar Energy Solutions partnered to build 3 GWh of sodium-ion battery production capacity in India, targeting the electric two-wheeler market where Na-ion's cost advantages are most compelling.
🇮🇳 India

Altris AB secured strategic investment from the Volvo Cars Tech Fund to co-develop sodium-ion batteries for next-generation electric vehicles and energy storage. A significant European automotive OEM backing Na-ion technology.
🇸🇪 Sweden

Natron Energy partnered with Draslovka to scale production of Prussian blue cathode materials at a new facility in Kolín, Czech Republic — an attempt to establish European Na-ion supply chain capability. This preceded Natron's subsequent collapse.
🇨🇿 Czech Republic

BYD confirmed investments in dedicated sodium-ion production lines with the explicit goal of achieving cost parity with lithium-iron-phosphate (LFP) batteries — the current benchmark for cost-optimised energy storage.
🇨🇳 China

CATL launched the Naxtra brand for sodium-ion batteries. The technology achieves 175 Wh/kg energy density (comparable to LFP), 10,000-cycle life, and operates from −40°C to 70°C with 90% energy retention at −40°C. The first application will power Chery EV models.
🇨🇳 China

China Southern Power Grid commissioned a 200 MW hybrid storage station in Yunnan combining sodium-ion and lithium-ion batteries to stabilise output from over 30 wind and solar plants. The largest hybrid Na-ion deployment to date.
🇨🇳 China

Researchers at India's Jawaharlal Nehru Centre for Advanced Scientific Research unveiled a sodium-ion battery capable of charging to 80% in just six minutes and enduring over 3,000 charge cycles — a significant fast-charging milestone.
🇮🇳 India

The UK's Department for Business and Trade announced a multi-year £452 million investment in the Battery Innovation Programme (formerly the Faraday Battery Challenge) as part of the Advanced Manufacturing Sector Plan. Batteries designated a 'frontier industry' within the UK's Industrial Strategy.
🇬🇧 United Kingdom

Novonix presented sodium-ion battery R&D covering NFM, NFPP, and Prussian blue cathodes with hard carbon anodes. They estimated current Na-ion cell costs at $125/kWh, with a modelled pathway to $30/kWh by 2045 — potentially transformative for grid-scale storage economics.
🇺🇸 United States

Natron Energy shut down after failing to secure working capital, despite raising $363M+ since 2012. UL certification delays prevented order fulfilment; lithium carbonate's 90% price crash undermined Na-ion's cost advantage. The Michigan factory operated less than six months. The North Carolina gigafactory was never built. Assets liquidated through assignment for benefit of creditors.
🇺🇸 United States

The Faraday Institution committed an additional £9 million to battery research, including continued support for sodium-ion alongside projects on electrode manufacturing and battery formation/ageing. The NEXGENNA programme remains part of the broader portfolio.
🇬🇧 United Kingdom

South Korean giant LG Chem partnered with China's Sinopec to develop materials for sodium-ion batteries — a notable sign that established Li-ion players are hedging into Na-ion, driven by competitive pressure from Chinese manufacturers.
🇰🇷 / 🇨🇳 Korea / China

Peak Energy, partnering with Jupiter Power, began deploying grid-scale sodium-ion energy storage systems in the United States — the first meaningful US Na-ion grid installations following Natron's collapse.
🇺🇸 United States

CATL's Naxtra sodium-ion batteries are scheduled to enter full mass production, initially powering Chery electric vehicle models. The world's first mass-produced Na-ion passenger cars from the largest global battery manufacturer.
🇨🇳 China

Reliance's Jamnagar gigafactory, integrating Faradion's UK-developed IP with Reliance's petrochemical feedstock infrastructure, is scheduled for start-up. The facility targets a 10–12% reduction in bill-of-materials costs over competitors.
🇮🇳 India

French Na-ion developer TIAMAT plans to build a 5 GWh production plant in Amiens, producing sodium-ion batteries for data centres, small appliances, and electric vehicles. One of the most significant European Na-ion manufacturing commitments.
🇫🇷 France

HiNa Battery has estimated that by 2026, the energy density and cell costs of its sodium-ion batteries will achieve full parity with lithium iron phosphate (LFP) batteries — a tipping point for large-scale adoption across grid storage and low-cost mobility.
🇨🇳 China