US lithium-sulphur developer Lyten is moving to acquire the assets of Norway’s failed battery startup Morrow Batteries, marking its second European acquisition in months after purchasing Northvolt’s US subsidiary and extending a technology play that could reshape where next-generation chemistries reach commercial scale first.
Europe’s battery manufacturing reset creates openings for alternative chemistries
Morrow Batteries filed for bankruptcy in March 2025 after failing to secure the roughly €1.2 billion needed to build its planned 43 GWh gigafactory in Arendal, southern Norway. The company had positioned itself as a lithium-iron-phosphate (LFP) specialist targeting the stationary storage and commercial vehicle segments, with offtake discussions underway but insufficient capital commitments to satisfy lenders. Its collapse followed a familiar European pattern: ambitious announcements, government backing at the regional level, but an inability to close the full financing stack once construction-ready milestones approached.
Lyten’s interest is not a distressed-asset flip. The San Jose-based company has spent the last decade developing lithium-sulphur pouch cells that replace the nickel, cobalt, manganese, and graphite in conventional cathodes and anodes with sulphur and lithium metal. Sulphur is abundant, low-cost, and a byproduct of refining – Lyten cites a bill-of-materials advantage of roughly 50 percent versus NMC chemistries at current commodity prices. The chemistry also avoids critical minerals listed under the US Inflation Reduction Act and EU Critical Raw Materials Act, a regulatory edge that matters for content rules on both sides of the Atlantic.
What Lyten gains from Morrow is not cell technology – Morrow’s LFP roadmap is orthogonal to lithium-sulphur – but a permitted industrial site, grid connection agreements, and a workforce that has already been hired and trained for gigafactory operations. Arendal’s municipal planning process for the 200-hectare site is advanced; the high-voltage grid connection from Statnett is contracted; and roughly 150 former Morrow employees remain in the region. Rebuilding that permitting and interconnection queue from scratch would add 18-24 months to any greenfield timeline, by general industry experience.
Lithium-sulphur’s industrial moment hinges on solving cycle life at scale
The cross-cutting dynamic here is the convergence of two separate supply-chain pressures: Western governments’ push to onshore battery production, and the technical maturation of chemistries that sidestep the nickel-cobalt supply chain entirely. Lithium-sulphur has been “five years away” for two decades, limited by the polysulfide shuttle effect that degrades cycle life and the volumetric expansion of lithium metal anodes. Lyten claims its 3D graphene architecture – a conductive scaffold that physically confines sulphur and regulates lithium plating – delivers 1,400 cycles at 100 percent depth of discharge in automotive-format pouch cells, with energy density above 500 Wh/kg. If those numbers hold in volume production, lithium-sulphur becomes the first post-lithium-ion chemistry to simultaneously beat NMC on specific energy, cost, and critical-mineral intensity.
That “if” is doing heavy lifting. Scaling from pilot-line pouches to gigawatt-hour production has historically been where battery startups fail – witness A123, Envia, and more recently Britishvolt. Lyten’s pilot line in San Jose runs at roughly 200 MWh/year; Morrow’s permitted capacity was 43 GWh. That is a 200x scale jump. For context, Northvolt’s Ett giga took roughly four years from groundbreaking to first cell shipment, and Northvolt had the advantage of a proven NMC chemistry and billions in committed offtake from BMW, Volvo, and Volkswagen before breaking ground. Lyten has announced partnerships with Stellantis and the US Department of Defense, but public offtake volumes remain undisclosed.
The Northvolt acquisition Lyten completed in late 2024 – specifically Northvolt Systems, the US subsidiary focused on industrial and defense modules – gave Lyten a UL-certified module assembly line and a defense-qualified supply chain. That is a different asset class than a greenfield cell factory, but it signals Lyten’s strategy: acquire operational capability in the West while building its own cell technology. Morrow’s Arendal site would be the cell manufacturing anchor.
Who this affects
- Utility storage planners: Lithium-sulphur’s projected 50 percent bill-of-materials cost reduction could push 4-hour storage LCOE below $100/MWh by 2030 if cycle life reaches 3,000+ cycles – track Lyten’s stationary storage pilot data for degradation rates at C/2 charge/discharge.
- EV OEMs evaluating 2027+ platforms: 500 Wh/kg enables 600-mile packs at current pack weights; Stellantis’ partnership suggests early access, but other OEMs should request A-sample cells now to validate thermal management and fast-charge protocols for lithium-metal anodes.
- Critical minerals investors: A successful lithium-sulphur ramp would structurally reduce nickel, cobalt, and graphite demand per GWh – model a 10-15 percent displacement scenario by 2035 if Lyten and peers (Theion, Sion Power) hit stated targets.
- European industrial policy makers: Norway’s Enova agency and Innovation Norway backed Morrow with grants and loans; the Lyten acquisition tests whether foreign ownership of strategic battery IP is politically acceptable when the alternative is site abandonment.
What to watch next
- Arendal permit transfer timeline: Norwegian bankruptcy court approval and municipal re-zoning for lithium-sulphur (different fire code than LFP) – expect 6-9 months if uncontested.
- Lyten Series C / strategic raise size: Capital requirement to equip 43 GWh of lithium-sulphur cell production is roughly $2.5-3.5 billion at current capex/GWh for novel chemistries; watch for DOE Loan Programs Office application or sovereign wealth co-investment.
- Cycle life data at 25°C and 45°C: Lyten’s 1,400-cycle claim needs third-party validation at automotive thermal profiles; request UL 2580 or IEC 62660 test reports before 2026.
- Sulphur supply chain locking: Lyten needs ~200 kt/year of battery-grade sulphur at 43 GWh – roughly 5 percent of global merchant sulphur market; long-term offtake with refiners (Equinor, Shell, US Gulf Coast) is a leading indicator of seriousness.
Bottom line
Lyten’s play for Morrow is a bet that the fastest route to Western lithium-sulphur production at scale is inheriting a permitted, grid-connected site in a stable jurisdiction – not that Morrow’s LFP technology has residual value. The acquisition only makes strategic sense if Lyten can raise the multi-billion-dollar equipment budget and prove its cycle life survives mass manufacturing; otherwise Arendal becomes another European battery ghost site, this time with American ownership.
Read the full report at Energy Storage News
Note: facts and figures attributed above to Energy Storage News reflect that outlet's original reporting. Broader context, cross-sector connections, and forward-looking scenarios reflect independent analysis by our editorial team.
About this article: Drafted by Energy Ai with AI-assisted research and writing based on public reporting, then reviewed under our editorial process before publication.
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