Rechargeable batteries will eventually fail (as shown in a). A combination of advanced techniques (as shown in b-e)1-3 is necessary to fundamentally understand the failure mechanisms so that we can develop novel materials to improve cell performance within a short time range.
1.“A Guide to Ethylene Carbonate-free Electrolyte Making for Li-ion Cells” Lin Ma, S. L. Glazier, R. Petibon, Jian Xia, Jeremy M. Peters, Q. Liu, J. Allen, R. N. C. Doig and J. R. Dahn. J. Electrochem. Soc., 2017, 164, A5008-A5018.
2. “Study of the Failure Mechanisms of LiNi0.8Mn0.1Co0.1O2 Cathode Material for Lithium Ion Batteries” Jing Li, Laura E. Downie, L. Ma, Wenda Qiu and J. R. Dahn. J. Electrochem. Soc. 2015, 162, A1401-A1408.
3. “Sulfolane-Based Electrolyte for High Voltage Li(Ni0.42Mn0.42Co0.16)O2 (NMC442)/Graphite Pouch Cells” J. Xia, Julian Self, L. Ma and J. R. Dahn. J. Electrochem. Soc. 2015, 162, A1424-A1431.