Fraunhofer ISE and its partners have developed thicker electrodes that could increase battery cell energy density by 10% to 15% without adding weight. The PFAS-free, solvent-free concept has been demonstrated in lithium-ion, sodium-ion, and zinc-ion cells and is designed for cost-effective mass production.

From ESS News

A consortium led by Germany’s Fraunhofer Institute for Solar Energy Systems (Fraunhofer ISE) has developed thicker battery electrodes that could increase cell-level energy density by 10% to 15% without adding weight.

The researchers demonstrated the concept in lithium-ion, sodium-ion, and zinc-ion cells. They also manufactured lithium-ion pouch-cell prototypes.

“The new cell architecture was developed with future mass production in mind: A potential electrode production line exhibits significantly lower process complexity compared to a state-of-the-art wet-coating system,” Fraunhofer ISE said in a statement. “As a result, capital costs are significantly lower. Operating costs are also lower because it requires less space and energy. This technology thus opens up the possibility, particularly for small and medium-sized enterprises, to establish their own battery cell production facilities in Germany.”