SOLIDBAT Project

SOLIDBAT

Competitive and sustainable lithium solid-state battery technology enabling large scale production for automotive application

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About the project

SOLIDBAT aims to demonstrate a TRL6 solid-state battery (SSB) technology for EVs, combining high performance, safety, and sustainability. The goal is 500 cycles at 80% DoD, >400 Wh/kg, 1000 Wh/L, and a cost of 75 €/kWh by 2030. Key innovations include digital design tools, a water-processable nickel-rich NMC cathode, a 3D-textured lithium metal anode, a hybrid gel polymer electrolyte, and scalable manufacturing compatible with current lithium-ion technology. Sustainability is prioritized by reducing raw material use and eliminating organic solvents, ensuring a greener and cost-effective EV battery solution.

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Energy Density

Durability

Safety

Sustainability

Consortium

SOLIDBAT´s consortium includes 14 partners from 7 EU countries and Canada, bringing complementary expertise to achieve project goals. Covering the entire battery value chain, it strengthens European innovation, supports climate-neutral energy and transport, and reduces reliance on Asian battery production.

CIC energiGUNE
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Timeline

  1. April 2025
  2. May 2025
  3. November 2025
  4. May 2026
  5. July 2026
  6. November 2026
  7. May 2027
  8. June 2027
  9. July 2027
  10. November 2027
  11. February 2028
  12. June 2028
  13. September 2028
  1. 01/04/2025

    Recommendation on 1st selection of materials

  2. 01/05/2025

    Delivery of first generation of battery materials and components

  3. 01/11/2025

    Preliminary sustainability assessment

  4. 01/05/2026

    Development of optimized battery materials and components

  5. 01/07/2026

    50 monolayer pouch cells

  6. 01/11/2026

    Electrolyte and electrodes in kg and meters scale for 1 Ah cells

  7. 01/05/2027

    1 Ah solid-state cells

  8. 01/06/2027

    Electrolyte and electrodes in kg and meters scale for 5 Ah solid-state cells

  9. 01/07/2027

    LCA and LCC data collection

  10. 01/11/2027

    First assessment of 1 Ah solid-state cells to provide feedback to 5 Ah cells cycling definition

  11. 01/02/2028

    5 Ah solid-state cells

  12. 01/06/2028

    Mini-module for safety evaluation

  13. 01/09/2028

    Exploitation roadmap and follow-up strategies in place

News / Events

Keep up to date with all the news and events related to the SOLIDBAT project.

26 March 2026

SOLIDBAT Partner Insights - Cidetec

As a key technological partner in the SOLIDBAT project, CIDETEC contributes its expertise in electrode manufacturing, advanced electrolytes, and cell prototyping to accelerate the development of next-generation solid-state batteries. In this interview, CIDETEC explains how innovative aqueous processing, scalable manufacturing approaches, and advanced characterization techniques are driving more sustainable, high-performance battery solutions for future electric mobility.
05 March 2026

SOLIDBAT Partner Insights – CEA

Understanding degradation mechanisms and ensuring the safety of next-generation batteries are essential steps toward the successful deployment of solid-state technology. In this interview, CEA shares its perspective on the challenges facing solid-state batteries, its role within the SOLIDBAT project, and how advanced characterization techniques will help uncover the physicochemical processes occurring inside the cells to improve performance, cyclability, and safety.
19 February 2026

SOLIDBAT Partner Insights – RWTH Aachen University

As a leading research institution within the SOLIDBAT project, RWTH Aachen University brings advanced digital modelling and simulation expertise to the development of next-generation solid-state batteries. In this interview, RWTH explains how physics-based models, virtual design tools, and materials optimisation frameworks can accelerate innovation, support Europe’s battery competitiveness, and help SOLIDBAT move closer to industrial-scale implementation.
News / Events

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