from chemistry to pack
Current Sensor Drift and SOC Estimation Error Propagation This is a worked example accompanying Failure Mode and Effects Analysis (FMEA) in Battery Design. It is the System FMEA example in the set, and deliberately chosen because it shows something the cell-level and pack-level examples cannot: a failure that originates in one subsystem (a sensor) and … Read more
Busbar Joint Failure Modes and Contact Resistance This is a worked example accompanying Failure Mode and Effects Analysis (FMEA) in Battery Design. It works through a pack-level DFMEA line on a bolted busbar joint, a component that is mechanically simple but disproportionately responsible for field failures because it sits at the intersection of high current, … Read more
Separator Failure Modes and Internal Short Circuit This is a worked example accompanying Failure Mode and Effects Analysis (FMEA) in Battery Design. It walks through a single DFMEA line at cell level in full, from failure mode to recommended action, using the separator as the subject. The separator is a good first example because it … Read more