Exploring the Correlation Between Ultrasound Speed and the State of Health of LiFePO$_4$ Prismatic Cells

no code implementations • 13 Sep 2023 • Shengyuan Zhang, Peng Zuo, Xuesong Yin, Zheng Fan

We propose that the reduction of binder stiffness can be a primary cause of the change in ultrasonic speed during battery ageing.