Meet Jessica Link, Battery Research Scientist at Syensqo, one of the minds helping push the NEXTCELL project forward. In this interview, Jessica shares how innovative materials and greener production methods are shaping the future of lithium-ion batteries, and what it takes to turn bold ideas into real-world technology.

How does the development of the raw material and definition of the continuous solventless production of gellified electrodes and separator impact NEXTCELL technologies?

The development of raw materials and the definition of continuous solventless production processes significantly enhance NEXTCELL technologies. By utilizing advanced materials like Si/C for anodes and LNMO for cathodes, the project aims to increase battery capacity and efficiency while minimizing volume changes during cycling. The shift to solventless processes, such as extrusion, to produce the electrodes and separator not only reduces environmental impact by eliminating volatile organic compounds but also lowers production costs. Additionally, innovative binder and electrolyte formulations ensure stability and performance at high voltages. These advancements collectively improve the electrochemical performance, sustainability, and integration of materials into gelled electrodes and separators, paving the way for a new generation of lithium-ion batteries.

What are the main challenges to carry out this task successfully?

The primary challenges in successfully carrying out this task include ensuring the compatibility of advanced materials like silicon/carbon composites and carbon nanotubes with both plasticizer and solventless processing methods. Formulating electrolytes that maintain stability and performance across high voltage applications while effectively forming a gel with polymer binders is crucial. Process optimization, particularly in extrusion and calendaring, is necessary to achieve the desired mechanical properties of electrodes. Additionally, integrating anode and cathode materials with the Syensqo gelled separator without adverse reactions poses a significant challenge. Ensuring that new electrolyte formulations meet stringent electrochemical performance standards and improving material characteristics, such as silicon distribution, are also vital for maintaining cycle life and efficiency.