New patent by Moroccan scientist Rachid Yazami enhances battery safety
Moroccan physicochemist Rachid Yazami, renowned for his significant contributions to lithium-ion battery technology, has recently secured a new patent granted by the United States Patent and Trademark Office (USPTO). This patent introduces an innovative method for early detection of internal short circuits in batteries, a major cause of thermal runaway, which can lead to fires or explosions, particularly in electric vehicles.
The patent outlines an approach that relies on real-time analysis of thermodynamic and kinetic data from the electrochemical cell. By measuring parameters such as open-circuit voltage, entropy and enthalpy variations, temperature, and the internal resistance of the cell, the system can detect early signs of an internal short circuit, allowing for preventive intervention before thermal runaway occurs.
This technological advancement marks a significant step forward in improving battery safety, especially with the increasing electrification of transportation. It also highlights Rachid Yazami's ongoing commitment to enhancing the reliability and safety of energy storage systems.
Born in Fez, Professor Yazami is also known for co-inventing the graphite anode used in lithium-ion batteries, a breakthrough that revolutionized portable energy storage. He has held prestigious research positions, including at the CNRS in France and at Nanyang Technological University in Singapore, and is the author of over 180 patents in the field of batteries.
This new patent further solidifies Rachid Yazami's position as a global leader in battery research and underscores the impact of Moroccan scientists on cutting-edge technologies worldwide.
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