Magnetic Force Dilatometry for Operando Coin Cell Electrochemical Dilation Measurements
William Osad,
Caleb W. Reese,
Sayed Youssef Sayed
et al.
Abstract:Operando characterization of the physical and chemical changes occurring within batteries during electrochemical cycling has become a powerful tool for next generation technology development. In particular, a better understanding of the expansion (dilation) behavior of active materials during charge/discharge is critical for mitigating performance degradation, particularly for high expansion materials like Li or Si. However, current dilatometry devices rely on direct mechanical coupling or line-of-sight measur… Show more
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