Yulun Zhang

Mar 28, 2024 | nature.com | Yulun Zhang |Hui Zhou |M. Stanley Whittingham |Fengxia Xin

AbstractTracking the active lithium (Li) inventory in an electrode shows the true state of a Li battery, akin to a fuel gauge for an engine. However, non-destructive Li inventory tracking is currently unavailable. Here we used the theoretical capacity of a transition metal oxide to convert capacity into a Li inventory analysis. The Li inventory in electrodes was tracked reliably to show how battery formulations and test methods affect performance.