Diagnosing Transition-Metal Crossover

image generated to show a cell being diagnosed in a glove box ICP-MS and XPS

An ICP-OES/XPS Root-Cause Workflow Investigation of Catastrophic Battery Failures walks through one forensic case study of field failures in e-bikes and e-scooters. This page covers a narrower question that sits underneath a lot of those investigations: when a cell has aged badly or failed and cathode transition-metal dissolution is on the suspect list, how do … Read more