Scientists Uncover Hydrogenation Mechanism Degrading EV Lithium-Ion Batteries

Scientists Uncover Hydrogenation Mechanism Degrading EV Lithium-Ion Batteries/Argonne National Laboratory/Mark Lopez

VoM News Desk | September 17, 2024 | 03:51 PM IST | Science & Technology | Follow on Google News

Scientists Uncover Hydrogenation Mechanism Degrading EV Lithium-Ion Batteries

Scientists Uncover Hydrogenation Mechanism Degrading EV Lithium-Ion Batteries

Researchers from Argonne National Laboratory have identified a key hydrogenation process accelerating the degradation of lithium-ion batteries in electric vehicles (EVs). Using high-energy X-rays from the Advanced Photon Source (APS), they observed self-discharge, a phenomenon that depletes battery materials and affects performance. The study demonstrated how self-discharge occurs due to photon and electron movement from the electrolyte to the cathode’s oxides.

This discovery addresses a knowledge gap in battery degradation and could help design smaller, cheaper, and longer-lasting batteries. As EV demand rises, particularly in Europe, the U.S., and China, extending battery life becomes vital for broader adoption.

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