The research is part of the European ADVAGEN project, which aims to open the door to the manufacture of Next Generation solid-state batteries specifically for electric mobility.

CIC energiGUNE, the Basque research center of reference in battery storage, thermal energy solutions and hydrogen technologies, and member of the Basque Research & Technology Alliance-BRTA, is working on the development of a new lithium metal (LiM) battery cell technology based on an innovative, safe, high performance and scalable hybrid solid-state electrolyte. This research is part of the European ADVAGEN project, in which the Basque center participates together with other 13 key players in the battery sector.

Europe needs a competitive advantage that allows it to position itself right in front of the Asian competence in the race for the electric mobility, and this project offers good prospects for that goal”, assured Jokin Rikarte, Principal Investigator of CIC energiGUNE in this project. “Through ADVAGEN we are going to make solid-state batteries more energy dense, more efficient, safer and less expensive than conventional lithium batteries”, said Grazia Accardo, Project Manager at CIC energiGUNE.

The development of a new lithium metal (LiM) cell technology will be carried out in three phases. First, solid-state hybrid electrolytes (oxide and sulfur) will be developed to achieve the required conductivity. Nickel-rich cathodes, lithium metal anodes and protective layers for interface optimization will also be developed.

Secondly, a prototype of small (until 1 Ah) and large cells (10 Ah) cells in “pouch” format will be created to evaluate the scalability of the materials. And, finally, the performance, safety and aging of the battery cells will be evaluated.

Two researchers from CIC energiGUNE involved in the project work in the laboratory of the basque research center. Whilst one is having a look at the results displayed, the other is taking note on a CIC energiGUNE´s notebook.

This way, through the development of high-performance, low cost and safe batteries, ADVAGEN will be a key proposal to restore European competitiveness in battery cells production, strengthening the EU as a technological and manufacturing leader in batteries with a clear sustainability component.

The ADVAGEN consortium is led by the battery manufacturer AVESTA-ABEE and, in addition to CIC energiGUNE, counts with the participation of another member of the Basque R&D Alliance BRTA (Ikerlan). Together, the fourteen participating entities cover the entire knowledge and value chain, ranging from industrial material manufacturers (Ceramic Powder Technology-Norway), specialized consultancies (Euroquality-France, Techconcepts-Netherlands), battery manufacturers (AVESTA-ABEE), R&D centers (CIC energiGUNE, Ikerlan, CEA-Commissariat a L’energie Atomique Et Aux Energies Alternative, IREC-Catalunya, Braunschweig University of Technology, Politecnico di Torino, INEGI of Portugal, University of Ljubljana) and the automotive industry (Toyota Motor Europe, FEV).

CIC energiGUNE’ work in ADVAGEN includes contributing to the definition of test protocols for laboratory-scale cells; coordinating the development of functional materials and interface optimization; designing and assembling “pouch” cells; and evaluating the electrochemical behavior of the cells.

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