MECHANICAL AGEING OF LITHIUM ION BATTERY CELLS

摘要

1. Electrodes behave and age inhomogeneously within cell 2. Mechanical work of anode has serious implications on mechanical ageing and desorption of electrodes a. ==> Must be taken into account when modelling cells 3. Expansion/contraction depends on SOC ==> implications on BMS for optimized lifetime 4. ....what's better for lifetime? Tightly packed or loose package? We know from most cycling experiments that pouch cells under mechanical load perform better...