ProLogium Unveils Gen4 Solid-State Tech: 4-Minute Charging and a New European Gigafactory

Taiwan-headquartered ProLogium Technology is using CES in Las Vegas as a springboard for its next phase: the formal launch of a superfluidized all-inorganic solid-state lithium ceramic battery platform and the confirmation of its first French gigafactory dedicated to Gen4 cells for electric vehicles (EVs) and energy storage systems (ESS). The twin announcements mark a pivotal moment in the race to industrialize fully inorganic solid-state batteries in Europe, with France emerging as ProLogium’s manufacturing beachhead.

From lab to CES: what ProLogium’s superfluidized lithium ceramic platform is

In its CES communications, ProLogium frames the new platform as the culmination of two decades of work on oxide-based solid-state cells and ceramic electrolytes. The company describes a “superfluidized” all-inorganic solid-state lithium ceramic architecture that replaces flammable liquid electrolytes with a ceramic solid, while still enabling high ionic conductivity and robust interface contact between cathode, electrolyte, and anode structures. According to ProLogium’s own CES announcement, the platform is designed around a fully inorganic stack to maximize safety and thermal stability compared with conventional lithium-ion packs that rely on organic solvents and separators.

In practical terms, ProLogium is positioning this as a Gen4 production-ready platform rather than a distant R&D concept. The company highlights several performance targets when integrated into optimized high-power systems:

• Driving range: EV battery modules capable of enabling around 1,000 km of range per charge under favorable conditions, primarily by raising volumetric and gravimetric energy density compared with existing lithium-ion chemistries.
• Charging speed: Fast charging from roughly 0–60% or 20–80% state of charge in the 4–6 minute window when paired with appropriate high-power charging infrastructure and vehicle integration.
• Safety: An all-inorganic solid electrolyte that is non-flammable and more resistant to thermal runaway, minimizing risks associated with internal short circuits and mechanical damage.
• Low-temperature performance: Improved behavior in cold conditions relative to many current liquid-electrolyte batteries, due to materials and interface engineering within the ceramic solid-state stack.

The company’s CES materials also stress that the architecture is engineered for manufacturability: ProLogium claims it has adapted its ceramic processing, stacking, and lamination techniques to scale beyond coin cells and small pouches into large-format automotive cells and modules.

France Fab 1: one of Europe’s earliest fully inorganic solid-state gigafactory bets

Alongside the technology unveiling, ProLogium confirmed that it is pressing ahead with its first European gigafactory, called France Fab 1, after securing approval and support from the French government. In its official release, the company notes that the facility will be located in France and will benefit from subsidies intended to strengthen European strategic autonomy in battery supply chains and clean mobility.

Key details disclosed by ProLogium include:

• Groundbreaking and construction: The company is targeting a 2026 start of construction for France Fab 1, with early works focused on establishing the full process chain for Gen4 solid-state lithium ceramic cells.
• Phase-one capacity: An initial 0.8 GWh of annual Gen4 cell production is planned by 2028, which would make it one of the earliest committed European manufacturing bases for fully inorganic solid-state batteries.
• Technology scope: The plant is designed from the outset around ProLogium’s solid-state lithium ceramic architecture rather than retrofitting from conventional liquid-electrolyte lines.
• Government backing: French subsidies are intended to de-risk the capital-intensive ramp and align with broader national objectives on electric mobility, industrial decarbonization, and strategic technologies.

By anchoring Gen4 production in France, ProLogium positions itself within the broader European push to localize EV battery manufacturing and reduce dependence on imports. For OEMs, a European solid-state supply could become a differentiator for premium EV platforms targeting higher range, faster charging, and enhanced safety in the late 2020s.

Beyond passenger cars: a cross-sector solid-state roadmap

ProLogium’s CES narrative deliberately stretches beyond passenger EVs. The company emphasizes a cross-sector deployment roadmap, indicating that its superfluidized lithium ceramic platform is intended to scale into multiple high-value applications:

• Electric construction machinery: Heavy-duty machines that require high energy throughput, robust safety, and long operational lifetimes could benefit from higher energy density and improved thermal stability.
• E-bikes and light electric vehicles: Denser, safer packs could enable longer range and more compact designs, although cost and pack optimization will be key to adoption in this price-sensitive segment.
• Humanoid robots: Robotics applications demand high energy density in small volumes and reliable cycle life; ProLogium is explicitly signaling that its solid-state cells could serve as enabling components for next-generation robots.
• Energy storage systems (ESS): Grid-scale, commercial, and AI data-center storage systems could exploit the safety and longevity profile of ceramic solid-state batteries, particularly where fire safety and footprint are critical design constraints.

This broad positioning suggests ProLogium wants to avoid being perceived as a single-OEM or single-application pilot and instead as a platform supplier with a diversified demand base. For policymakers and investors, such cross-sector applicability may mitigate risk by spreading potential revenue across multiple end markets.

Module-level innovation with FEV: rethinking EV pack design

A central part of ProLogium’s CES story is its collaboration with German engineering group FEV. In a joint announcement, ProLogium and FEV describe a next-generation solid-state EV module concept designed to translate cell-level gains into system-level benefits that matter to automakers.

According to the companies, this jointly developed module architecture aims to:

• Increase system-level energy density: By leveraging the higher energy density of solid-state cells and more compact module packaging, the same pack volume can hold more usable energy, directly extending vehicle range.
• Enable vehicle mass reduction: Automakers can keep range constant while shrinking pack size and weight, freeing up mass and space for chassis optimization, performance, or additional features.
• Give more design freedom: The module’s form factor and integration approach are meant to unlock new possibilities in underfloor and skateboard architectures, beyond what is feasible with current liquid-electrolyte modules.

FEV’s role as an established automotive engineering partner is significant: it bridges the gap between cell R&D and vehicle-level integration, helping translate material science advances into components OEMs can validate and homologate. The companies highlight that the module concept showcased at CES is intended to be “car-ready”, emphasizing practical manufacturability and compliance with automotive standards rather than purely conceptual design.

Manufacturability and transparency as strategic differentiators

One of the recurring criticisms of solid-state battery announcements is that they often remain stuck at pilot or lab scale. ProLogium is attempting to address this head-on by emphasizing manufacturability and transparency in its French gigafactory strategy.

In its CES communications, the company states that it will implement fully transparent, time-lapse documentation of prototype manufacturing from the first days of operation at France Fab 1. The aim is to provide regulators, automakers, and other stakeholders with an unvarnished view of how solid-state lithium ceramic cells are produced at industrial scale—covering everything from powder handling and ceramic tape casting to stacking, sintering, and quality control.

This approach serves several purposes:

• Regulatory confidence: Detailed process documentation can simplify safety assessments, environmental permitting, and compliance with emerging EU battery regulations.
• OEM validation: Automakers can align their validation, durability testing, and pack design cycles with real-world production data rather than extrapolations from lab-scale lines.
• Investor and partner visibility: Transparent manufacturing progress and yields help potential partners and financiers better assess risk and timelines.

By explicitly framing its solid-state platform as “ready for manufacturability”, ProLogium is staking out a position distinct from firms that focus primarily on breakthrough cell metrics without yet committing to large-scale production footprints.

Implications for the EV and ESS landscape

If ProLogium delivers on its publicly stated targets for range, charging, safety, and industrialization timelines, its superfluidized all-inorganic lithium ceramic platform could influence several dimensions of the EV and ESS markets:

• Premium and long-range EVs: OEMs may use ProLogium cells and FEV modules as the basis for long-range variants capable of 1,000 km-class range, especially in Europe and Asia.
• Charging infrastructure strategy: 4–6 minute 60–80% SoC capability would push the envelope on high-power charging, requiring upgraded infrastructure but potentially easing range anxiety and reducing dwell times.
• Safety and regulation: Fully inorganic solid electrolytes could shift regulatory expectations for battery safety, particularly in dense urban environments or sensitive installations like tunnels and data centers.
• European industrial policy: France Fab 1 aligns with EU ambitions to secure local capacity for advanced batteries, potentially attracting OEM co-investments or long-term offtake agreements.

For analysts, engineers, and policy watchers tracking these developments, communities like WireUnwired Research on WhatsApp and LinkedIn provide an avenue to follow how ProLogium’s roadmap and competing solid-state approaches evolve over the next product and regulatory cycles.

As CES showcases continue and groundwork in France approaches, the key variables to monitor will be ProLogium’s ability to scale ceramic production, maintain yields at automotive-grade quality levels, and convert its FEV-enabled module concepts into homologated packs integrated into real vehicle platforms.