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Dear Reader,

During the past months, we've been upscaling the materials and the cells fabrication processes for the industrialization of all-solid-state batteries. The polymer electrolytes can be now produced in 1 kg-scaled batches (DAIKIN, Fraunhofer). Composites electrodes were fabricated in meters-scale and transferred to project partner Yunasko, where the polymer electrolyte impregnation and cell assembly were assessed. Post-mortem studies were conducted for a better understanding of the cell behaviour during the formation and cycling. The optimized process was adjusted to fabricate bipolar cell (CEA), in which the cathode and anode materials were deposited on a same current collector by screen printing (see picture). This design allows production of high-voltage cells with a lower pack price. The use of solid-electrolyte appears as the optimal solution to avoid electrolyte leakage between each unit occurring in the standard lithium-ion batteries.
The first ink-jet printed and screen-printed planar cells were fabricated and electrochemically tested. In the coming weeks, cells with other shapes in line with the modelling results (pillars, walls, honeycombs) will be addressed (University of Limoges, FhG-IKTS). In parallel, Leclanché has explored three aspects of the upscaled production line design: the process itself, the cell assembly and the quality control. 
During the next few months, the cells capacities will be further increased and their safety and recyclability will be addressed (Lomartov, CEA, LEITAT). 

The most important solutions developed within ASTRABAT until now have been gathered into a set of five infopacks: take a look and discover more into detail what our project has been working on until now.

If you are interested in knowing more about ASTRABAT’s final results, we warmly invite you to join us in Grenoble in September at the LCBAT12019 Cluster Innovation and Networking days, where we will be discussing the latest all-solid-state battery technology with our sister projects Sublime, Solidify and Safelimove. Registration is open, so do not miss this chance and book your spot.

Enjoy your reading,

Sophie Mailley
Commissariat à l’Energie Atomique et aux Energies Alternatives (CEA)
ASTRABAT Project Coordinator

LCBAT-1 Cluster Innovation & Networking days

A spotlight on the latest All-Solid-State Battery Technologies by ASTRABAT, Safelimove, Solidify, and Sublime projects

Save the date for the Innovation and Networking Days on All-Solid-State Batteries taking place on 27 and 28 September 2023.

The event is organized by ASTRABAT and its sister projects SafelimoveSolidify, and Sublime, which have jointly formed the #LCBAT12019 Cluster.

The four involved projects will present the results of their research aiming to develop strongly improved, highly performant, and safe all solid-state batteries for electric vehicles. Also, the event will host an industrial session.

The networking days will be hosted by ASTRABAT’s coordinator, CEA, at Minatec in Grenoble. Online participation is also possible.

Discover the agenda and get registered:

Join us in Grenoble or online and follow our hashtag #LCBAT12019 on Twitter not to miss any updates!

ASTRABAT's key work and innovation have been summarised in a set of five informative packs deepening various technical aspects - from the electrolyte tailorisation to the fluorine-free ionic liquid plasticizers - but also reasoning on the sustainability of the produced cell and analyzing current status and perspectives of the solid-state batteries market. 

We invite you to have a look at our info packs to find out more about ASTRABAT's work and innovation. 
Litium-ion batteries are a huge opportunity in the EU's path toward a more sustainable transport sector. However, we must be careful that the energy transition happens in a fair and sustainable manner. Read ASTRABAT's latest articles to deepen some of the hottest topics around batteries and mobility. 
Tracking materials for sustainability: the battery passport
Batteries are key drivers of the energy transition, but experts agree: for them to unleash their potential, the entire value chain must be tracked. A dedicated tool, which has just been presented in Davos, records their environmental and social footprint: the battery passport.
Read the full article.
Green dream or social nightmare? Cobalt at the crossroads of electric mobility
Child labour, human rights violations, and environmental harm. The rush for cobalt sheds light on the downside of the electric dream. And while researchers are looking for technological alternatives for our electric vehicles’ batteries, NGOs warn of repeating the mistakes of the fossil-fuel industry: “We are at a crossroads. The green transition must go fast but needs to be fair, otherwise, we will look back on this critical time with regret”
Read the full article.
Read our latest interview to ASTRABAT's technical partner Elaphe
Discover the work carried out for ASTRABAT by Dr. Jože Buh, Head of R&D at Elaphe Propulsion Technologies, and his team. Elaphe is using its expertise in high-technology automotive components development to test the solid-state batteries developed within the ASTRABAT project.
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This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 875029.