Summary: Ampere has signed a joint development agreement with Basquevolt to accelerate the development and validation of lithium metal-based battery technologies for future EVs within the Renault Group ecosystem. The collaboration focuses on polymer-electrolyte lithium metal cells that promise higher energy density, improved thermal stability, fast-charging capability, and reduced pack size and weight, while enabling more efficient manufacturing and lower gigafactory capital and energy requirements.
Key engineering takeaway: Basquevolt’s lithium metal architecture combines a polymer electrolyte with an advanced anode design to deliver high energy density and simplified cell production. The technology is reported to reduce gigafactory capital expenditure and manufacturing energy consumption by around 30%, supporting scalable deployment of next-generation battery chemistry in automotive environments.
Why it matters: Lithium metal batteries represent a potential step change in EV performance, enabling lighter packs, longer range, and faster charging while improving safety characteristics. Strategic OEM-battery partnerships focused on real-world validation are critical for transitioning advanced chemistries from laboratory development to mass-market electric vehicles.
Lithium battery technology promising higher energy density and fast charging
Ampere, the EV and software pure player from Renault Group, has entered into a Joint Development Agreement with Basquevolt, to accelerate the development and validation of Lithium metal-based batteries for future electric vehicles.
Basquevolt’s lithium metal-based battery technology offers a transformative leap in energy density compared to today’s liquid-electrolyte lithium-ion batteries. By combining the advantages of polymer electrolyte with advanced anode, the technology has the potential to enable compact, lightweight battery packs with superior thermal stability and fast-charging capabilities, key attributes for the next generation of electric mobility.
This collaboration underscores the importance of strategic partnerships in driving battery innovation, combining cutting-edge science with scalable engineering and cost efficiency. Together, Ampere and Basquevolt aim to pave the way for the commercial deployment of lithium metal-based battery technology in electric vehicles.
“Entering this next phase with Ampere marks a major milestone in our mission to bring polymer electrolyte technology closer to the mass market,” explains Pablo Fernández, CEO of Basquevolt.
“Together, we are focused on validating performance in real-world automotive conditions and accelerating the transition to next-gen EV batteries that meet the evolving needs of our customers,” adds Nicolas Racquet, VP Vehicle & Powertrain Engineering, Ampere.
After more than twelve months of collaboration, Basquevolt is already demonstrating that its technology can achieve very high energy density while significantly reducing the overall battery pack costs. Thanks to its polymer electrolyte, battery cells can be produced through a simpler and more efficient manufacturing process. This competitive advantage will result in approximately 30% lower capital investment per GWh in a conventional gigafactory and 30% less energy used per kWh produced.
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