New paper published in Advanced Energy and Sustainability Research on optimized LTO battery electrode processing

Making an electrode is art and science: The relevance of electrode preparation optimization and potential window maximization for high-rate lithium-ion batteries. Our new paper in Advanced Energy and Sustainability Research optimizes lithium titanate (LTO) anodes for lithium-ion batteries. By tweaking the dry and wet mixing processes during electrode fabrication, we achieved remarkable improvements in capacity retention, especially at high charge rates. Employing an extended potential window of 0.01-3.00 V vs Li⁺/Li, a high capacity of about 290 mAh/g at 0.1 A/g was obtained. Specifically, using the best-performing electrode processing in our work, we obtained a capacity of 232 mAh/g at 1C with a capacity retention of 80% after 300 cycles at a rate of 34C (68% after 1000 cycles). These results highlight the importance of control over particle dispersion in maximizing electrode performance.

This work underscores the potential of LTO as a durable and safe option for applications where high power and long cycle life are critical, such as electric vehicles and grid storage. By reducing solvent usage by up to 50%, our study shows the potential of cost and material savings per optimized processing.

Many thanks to all authors: Amir Haghipour, Stefanie Arnold, Jonas Oehm, Dominik Schmidt, Lola Gonzalez-Garcia, Dr. Hitoshi Nakamura, Tobias Kraus, and Volker Knoblauch